Title:
Container for disposable needle or cannula
Document Type and Number:
United States Patent 7407493

Abstract:
The present invention relates to a container for a disposable needle or cannula, intended to facilitate needle or cannula placement for the infusion of a liquid drug under a patient's skin, the container including a cylindrical housing (1; 101) in which there are defined a cap (1a; 101a) and a sleeve (1b; 101b) provided with a resting base (1c; 101c), the cap (1a; 101a) being axially slidable relative to the sleeve (1b; 101b) when a sufficient pressure is exerted on the cap (1a; 101a); a needle (21; 121) or cannula, which is located inside the housing so as to be directed towards the resting base (1c; 101c) for the infusion of the drug; a retaining member (9; 109), which is located within the housing (1; 101) between said cap (1a; 101a) and the sleeve (1b; 101b) and to which the needle (21; 121) or cannula is secured; the container being equipped with a releasing member for releasing the needle (21; 121) or cannula when the cap (1a; 101a) is made to slide on the sleeve (1b; 101b).

Inventors:
Cane′, Mario (Collegno, IT)
      Plaque It!

Application Number:
10/872423
Publication Date:
08/05/2008
Filing Date:
06/22/2004
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Assignee:
Unomedical A/S (Birkeroed, DK)
Primary Class:
Other Classes:
604/131, 206/365, 604/156
International Classes:
A61M37/00; A61M5/178
Field of Search:
606/184, 604/192, 604/136, 606/167, 606/185, 604/198, 604/164.01, 604/181, 604/180, 604/131, 604/171, 604/163, 206/365, 604/156, 604/135
US Patent References:
2047010Automatic syringe injectorJuly, 1936Dickinson
2295849Attachment for hypodermic syringesSeptember, 1942Kayden
2690529Suspension arrangement for movable membersSeptember, 1954Lindblad
2936141Resilient mountMay, 1960Rapata
3074541Medicinal vial and needle assemblyJanuary, 1963Roehr
3545286HOLDER WHICH IS DISPLACEABLE ALONG ONE AXISDecember, 1970Stenstrom
3547119CATHETER ASSEMBLYDecember, 1970Hall et al.
3610240INTRAVENOUS CATHETER APPARATUS WITH CATHETER TELESCOPED INSIDE PUNCTURING CANNULAOctober, 1971Harautuneian
3810469MULTIPLE COMPARTMENT HYPODERMIC DEVICESMay, 1974Hurschman604/88
3840011ADJUSTABLE SYRINGE DOSE AIDOctober, 1974Wright
3937219Sterile syringe assembly and method of making sameFebruary, 1976Karakashian
3986508Sterilizable, medical connector for blood processingOctober, 1976Barrington
4022205Fluid connectorsMay, 1977Tenczar
4188950Disposable syringeFebruary, 1980Wardlaw
4201406Spike connector for solution bagMay, 1980Dennehey et al.
4227528Automatic disposable hypodermic syringeOctober, 1980Wardlaw
4267836Injection device and methodMay, 1981Whitney et al.
4315505Tracheostomy tube with disposable inner cannulaFebruary, 1982Crandall et al.
4333455Injectable catheter and method of placing sameJune, 1982Bodicky
4334551ConnectorJune, 1982Pfister
D267199Vial and solution container connecting deviceDecember, 1982Koenig
4417886Catheter introduction setNovember, 1983Frankhouser et al.
4473369Continuous ambulatory peritoneal dialysis clamping systemSeptember, 1984Lueders et al.
4484910Dual mode automatic injectorNovember, 1984Sarnoff et al.
4500312Connecting assemblyFebruary, 1985McFarlane
4525157Closed system catheter with guide wireJune, 1985Vaillancourt
4530695InjectorJuly, 1985Phillips et al.
4531937Introducer catheter apparatus and method of useJuly, 1985Yates
4563177Catheter stabilization padJanuary, 1986Kamen
4610469Connector assembly for sterile connection or two internally sterile containers of tubingsSeptember, 1986Wolff-Mooij
4713059Dispenser for an elongated flexible memberDecember, 1987Bickelhaupt et al.
4734092Ambulatory drug delivery deviceMarch, 1988Millerd
4755173Soft cannula subcutaneous injection setJuly, 1988Konopka et al.
4758020Vehicle tethering system for both energizing and restraining portable electrical devices used by passengersJuly, 1988Boyd
4800629Plastic buckleJanuary, 1989Ikeda
4817603Lancet deviceApril, 1989Turner et al.
RE32922Blood sampling instrumentMay, 1989Levin et al.
4838871Needle guard, and assemblyJune, 1989Luther
4840613Protective sheath for catheter assemblyJune, 1989Balbierz
4850974Dispenser and method for an elongated flexible memberJuly, 1989Bickelhaupt et al.
4850996Safety needleJuly, 1989Cree
4878897Injection site device having a safety shieldNovember, 1989Katzin
4890608Attachment assembly for use on the human skinJanuary, 1990Steer
4895570Locking port shroud for peritoneal dialysis tubing connectorJanuary, 1990Larkin
4917669Catheter inserterApril, 1990Bonaldo
4935010Devices for sampling, drainage or infusion of liquids from or to the human or animal bodyJune, 1990Cox et al.
4950163Dental syringe for treating gumsAugust, 1990Zimble
4950252Single hand actuated locking safety catheter and method of useAugust, 1990Luther et al.
4978338Implantable infusion apparatusDecember, 1990Melsky et al.
4982842Safety needle containerJanuary, 1991Hollister
4986817Hypodermic syringe sheath holder and needle guideJanuary, 1991Code
4994042Combined catheter and needleFebruary, 1991Vadher
4994045Split sleeve safety syringeFebruary, 1991Ranford
5011475Protector for intravenous and syringe needlesApril, 1991Olson
5024662Resistance syringe for epidural anesthesiaJune, 1991Menes et al.
5067496Tracheostomy tubeNovember, 1991Eisele
5092853Automatic retractable medical needle and methodMarch, 1992Couvertier, II
5098389Hypodermic needle assemblyMarch, 1992Cappucci
5112313IV cover/protectorMay, 1992Sallee
5116319Safety device for an injection syringe needleMay, 1992Van den Haak
5116325Needle assemblyMay, 1992Paterson
5121751Instrument for tissue samplingJune, 1992Panalletta
5129884Trap in barrel one handed retracted intervenous catheter deviceJuly, 1992Dysarz
5137516Triggered application device for medicament to be more descriptive of the inventionAugust, 1992Rand et al.
5137524Universal intravenous connector with dual catchesAugust, 1992Lynn et al.
5141496Spring impelled syringe guide with skin penetration depth adjustmentAugust, 1992Dalto et al.
5147375Safety finger prick instrumentSeptember, 1992Sullivan et al.
5163915Safety needle setNovember, 1992Holleron
5176650Intravenous catheter and insertion deviceJanuary, 1993Haining
5176662Subcutaneous injection set with improved cannula mounting arrangementJanuary, 1993Bartholomew et al.
5186712Intravenous catheter launching deviceFebruary, 1993Kelso et al.
5188611Safety sheath for needles, sharp instruments and toolsFebruary, 1993Orgain
RE34223Catheter inserterApril, 1993Bonaldo
5222947Self recapping injection needle assemblyJune, 1993D'Amico
5232454Safety needle containerAugust, 1993Hollister
5248301Transcutaneous infusion apparatus and methods of manufacture and useSeptember, 1993Koenig et al.
5256152Safety needle and method of using sameOctober, 1993Marks
5257980Subcutaneous injection set with crimp-free soft cannulaNovember, 1993Van Antwerp et al.
5269799Finger prickerDecember, 1993Daniel
5279579Self-recapping injection needle assemblyJanuary, 1994D'Amico
5279591Protector for needle catheterJanuary, 1994Simon
5282793Syringe holder and applicatorFebruary, 1994Larson
5300030Injection devicesApril, 1994Crossman et al.
5312359Intravenous cannula insertion assembly with protective shieldMay, 1994Wallace
5312369Safety hood for hypodermic needlesMay, 1994Arcusin et al.
5316246Intravenous tube holderMay, 1994Scott et al.
5324302Lancet with locking coverJune, 1994Crouse
5342319Transdermal injection applianceAugust, 1994Watson et al.
5342324Needle deviceAugust, 1994Tucker
5350392Lancing device with automatic cockingSeptember, 1994Purcell et al.
5354280Trocar and seal arrangementOctober, 1994Haber et al.
5366469Lancet device for puncturing the skinNovember, 1994Steg et al.
5372592Method and device for preparing catheters prior to useDecember, 1994Gambale
5376082Needle deviceDecember, 1994Phelps
5380067Chest harness for use in a child restraint systemJanuary, 1995Turvill et al.
5384174Adhesive sheetJanuary, 1995Ward et al.
5387197Trocar safety shield locking mechanismFebruary, 1995Smith et al.
5388931Cutoff wall system to isolate contaminated soilFebruary, 1995Carlson
5390669Device using connector tube to lock inner cannula inside outer cannulaFebruary, 1995Stuart et al.
5391151Subcutaneous injectorFebruary, 1995Wilmot604/139
5403288Safety sleeve for dental syringeApril, 1995Stanners
5405332Shield apparatus for syringe needleApril, 1995Opalek
5429607Elastomeric syringe actuation deviceJuly, 1995McPhee
5429613Self-recapping injection needle assemblyJuly, 1995D'Amico
5433307Clutch plate for a friction clutch of a motor vehicle having a radially elastic plastic ringJuly, 1995Jeppe
D362718Turn lock cannulaSeptember, 1995Deily et al.
5449349Intravenous needle cover/protectorSeptember, 1995Sallee et al.
5451210System and method for rapid vascular drug deliverySeptember, 1995Kramer et al.
5487506Easy-open container having an improved reinforcing and tear stripJanuary, 1996Drummond et al.
5490841Safety sheath deviceFebruary, 1996Landis
5492313Tangential linear flexure bearingFebruary, 1996Pan et al.
5501675Safety catheter assembly having safety stop push buttonMarch, 1996Erskine
5505709Mated infusion pump and syringeApril, 1996Funderburk et al.
5507730One-piece glass prefilled syringe systemApril, 1996Haber et al.
5519167Musical tone synthesizing apparatusMay, 1996Kunimoto et al.
5520654Catheter deviceMay, 1996Wahlberg
5522803Infusion set for an intermittent or continuous administration of a therapeutical substanceJune, 1996Teissen-Simony
5527287Preloaded automatic disposable syringeJune, 1996Miskinyar604/135
5533974Locking safety cover for sharp instrumentsJuly, 1996Gaba
5540709Lancet deviceJuly, 1996Ramel
5545143Device for subcutaneous medication deliveryAugust, 1996Fischell
5545152Quick-connect coupling for a medication infusion systemAugust, 1996Funderburk et al.
5554130Stick-free syringe and associated methodsSeptember, 1996McDonald et al.
5558650Elastomeric syringe actuation deviceSeptember, 1996McPhee
5562629Catheter placement system utilizing a handle, a sharp, and a releasable retainer mechanism providing retraction of the sharp upon disengagement of the catheter from the handleOctober, 1996Haughton et al.
5562636Needle protector sheathOctober, 1996Utterberg
5573510Safety intravenous catheter assembly with automatically retractable needleNovember, 1996Isaacson
5575777Retractable needle cannula insertion set with refinements to better control leakage, retraction speed and reuseNovember, 1996Cover et al.
5584813Subcutaneous injection setDecember, 1996Livingston et al.
5591188Surgical instrument for impact insertion of an intraosseous trocar-needleJanuary, 1997Waisman
5599309Injection devicesFebruary, 1997Marshall et al.
5599315Syringe actuation deviceFebruary, 1997McPhee
5599318Needle shield assembly having a releasable lockFebruary, 1997Sweeney et al.
5628765Lancet assemblyMay, 1997Morita
5643214Injection devicesJuly, 1997Marshall et al.
5643216Patient bracelet having catheter capture integrally formed therewith and methods of making the sameJuly, 1997White
5643220Needle assemblyJuly, 1997Cosme
5662617Manually pivoted barrier assembly for piercing elementSeptember, 1997Odell et al.
5665071Reloadable automatic or manual emergency injection systemSeptember, 1997Wyrick
5665075Method of making a needle shield assemblySeptember, 1997Gyure et al.
5676156Automatic retractable safety penetrating instrumentOctober, 1997Yoon
5681323Emergency cricothyrotomy tube insertionOctober, 1997Arick
5695476Needle protection assembliesDecember, 1997Harris
5700250Catheter-advancement actuated needle retraction systemDecember, 1997Erskine
5704920Manually driven needle shield assemblyJanuary, 1998Gyure
5709516Washer faced spring assemblyJanuary, 1998Peterson et al.
5714225Skin plate productFebruary, 1998Hansen et al.
5738641Blood withdrawal patchApril, 1998Watson et al.
5741288Re-armable single-user safety finger stick device having reset for multiple use by a single patientApril, 1998Rife
5752923Biopsy instrument with handle and needle setMay, 1998Terwilliger
5810835Catheter insertion device with valveSeptember, 1998Ryan et al.
5817058Retractable catheter introducer structureOctober, 1998Shaw
5820598Syringe for the intramammary administration of veterinary pharmacological compositionsOctober, 1998Gazza et al.
5827236Injection tool and method of its useOctober, 1998Takahashi
5833666Catheter fixation assemblyNovember, 1998Davis et al.
D402538Cable rollerDecember, 1998Wagter et al.
5843001Connector for a replaceable biopsy needleDecember, 1998Goldenberg
5848990Device for introducing active substance into a patientDecember, 1998Cirelli et al.
5851197Injector for a subcutaneous infusion setDecember, 1998Marano et al.604/135
5858001Cartridge-based drug delivery deviceJanuary, 1999Tsals et al.
5865806One step catheter advancement automatic needle retraction systemFebruary, 1999Howell
5873540Adjustable christmas light spoolFebruary, 1999Hardin
5899886Puncture safe needle assemblyMay, 1999Cosme
5911705One step catheter advancement automatic needle retraction systemJune, 1999Howell
5913846Shielded needle assemblyJune, 1999Szabo
5915640Reel for storing surplus cableJune, 1999Wagter et al.
5916199Tapeless tubing anchoring system with intravenous applicationsJune, 1999Miles
5919167Disposable micropumpJuly, 1999Mulhauser et al.
5925032Syringe cannula holderJuly, 1999Clements
5947931Tube fitting anchoring systemSeptember, 1999Bierman
5947935Syringes, syringe plungers and injector systemsSeptember, 1999Rhinehart et al.
5951523Medical devicesSeptember, 1999Osterlind et al.
5954643Insertion set for a transcutaneous sensorSeptember, 1999VanAntwerp et al.
5957892Safety catheter insertion apparatus and methodsSeptember, 1999Thorne
5968011Subcutaneous injection setOctober, 1999Larsen et al.
5975120Automatically retractable gas tubing feed spoolNovember, 1999Novosel
5980488Medical needle safety apparatus and methodsNovember, 1999Thorne
5980506Subcutaneous infusion deviceNovember, 1999Mathiasen
5984224Cable-spooling casing for earphonesNovember, 1999Yang
5984897Dispenser secured against reuseNovember, 1999Petersen et al.
5992787Cord reel and storage deviceNovember, 1999Burke
D417733Catheter introducer needle assemblyDecember, 1999Howell et al.
6017328Device for subcutaneous medication deliveryJanuary, 2000Fischell et al.
D421119Introducer needleFebruary, 2000Musgrave et al.
6024727Self-retracting medical needle apparatus and methodsFebruary, 2000Thorne et al.
6039629Nursing padMarch, 2000Mitchell
6042570Needle point protection sheathMarch, 2000Bell et al.
6045533Fluid delivery device with conformable ullage and fill assemblyApril, 2000Kriesel et al.
6045534Disposable fluid injection moduleApril, 2000Jacobsen et al.604/156
6050976In-line retractable safety catheter needle insertion assemblyApril, 2000Thorne et al.
6056718Medication infusion setMay, 2000Funderburk et al.
6056726Self-contained safety intravenous catheter insertion deviceMay, 2000Isaacson
6074369Low-profile automatic injection device with self-emptying reservoirJune, 2000Sage et al.604/181
6074371Blunt injection needle for a pen-type injectorJune, 2000Fischell
6077244Catheter insertion device with retractable needleJune, 2000Botich et al.
6086008Apparatus and method for permitting introduction and withdrawal of a catheterJuly, 2000Gray et al.
6086575Subcutaneous infusion deviceJuly, 2000Mejslov
6090068Injection and perfusion device for use in an implantable port access catheterJuly, 2000Chanut604/93.01
6093172Injector for a subcutaneous insertion setJuly, 2000Funderburk et al.
6093179Apparatus and method for placement of a percutaneous endoscopic gastrostomy tubeJuly, 2000O'Hara et al.
6099503Reloadable auto-injectorAugust, 2000Stardella
6105218Snap-type fastening deviceAugust, 2000Reekie
6120482Pivotable guard for shielding a needleSeptember, 2000Szabo
6123690Subcutaneous infusion deviceSeptember, 2000Mejslov
6132755Transcorneal drug-release systemOctober, 2000Eicher et al.
6159181Injection deviceDecember, 2000Crossman et al.
6183464Safety syringe with retractable needle and universal luer couplingFebruary, 2001Sharp et al.
6191338Adhesive bandage, matrix, and methods of removalFebruary, 2001Haller
6193694Needle point protection sheathFebruary, 2001Bell et al.
6219574Device and method for enchancing transdermal samplingApril, 2001Cormier et al.
6221058Structure for infusion catheter needleApril, 2001Kao et al.
6248093Compact pump drive systemJune, 2001Moberg
6293925Insertion device for an insertion set and method of using the sameSeptember, 2001Safabash et al.
6302866Catheter head for subcutaneous administration of an substanceOctober, 2001Marggi
6319232Protection device for sharp objectsNovember, 2001Kashmer
6322535Prefillable syringes and injectors for use therewithNovember, 2001Hitchins et al.
6322808Device for enhancing transdermal agent fluxNovember, 2001Trautman et al.
6334856Microneedle devices and methods of manufacture and use thereofJanuary, 2002Allen et al.
6355021Medical puncturing deviceMarch, 2002Nielsen et al.
6379335Device for after-use protection of a hypodermic needle, particularly of the butterfly typeApril, 2002Rigon et al.
D456692Cord holderMay, 2002Epstein
6387076Catheter retainers and assembliesMay, 2002Van Landuyt
6387078Automatic mixing and injecting apparatusMay, 2002Gillespie, III
6405876Blood filter cartridgeJune, 2002Seshimoto et al.
6447482InjectorSeptember, 2002Roenborg et al.604/131
6450992Cannula interfaceSeptember, 2002Cassidy, Jr.
6488663Infusion apparatus for administering a medicineDecember, 2002Steg
6517517Automated injection device for administration of liquid medicamentFebruary, 2003Farrugia et al.
6520938Medication infusion setFebruary, 2003Funderburk et al.
D472316Pen needle catheter connectorMarch, 2003Douglas et al.
D472630Pen needle catheter connectorApril, 2003Douglas et al.
6572586Low profile infusion setJune, 2003Wojcik
6579267Pivoting joint infusion assemblyJune, 2003Lynch et al.
6582397Needle safety device with antiremoval protectionJune, 2003Alesi et al.
6595962Injection deviceJuly, 2003Perthu
6607509Insertion device for an insertion set and method of using the sameAugust, 2003Bobroff et al.
6607511Medical device with safety flexible needleAugust, 2003Halseth
6613064Arrangement regulating depth of the puncture, used in the device for puncturingSeptember, 2003Rutynowski et al.
6620136Retractable I-V catheter placement deviceSeptember, 2003Pressly, Sr. et al.
6629949Micro infusion drug delivery deviceOctober, 2003Douglas
6645182Pivotable guard for shielding a needleNovember, 2003Szabo
6659982Micro infusion drug delivery deviceDecember, 2003Douglas et al.
6685674Infusion hub assembly and fluid line disconnect systemFebruary, 2004Douglas et al.
6699218Transcutaneous delivery meansMarch, 2004Flaherty et al.
6702779Constant rate fluid delivery device with selectable flow rate and titratable bolus buttonMarch, 2004Connelly et al.
6726649Medical needle assembliesApril, 2004Swenson et al.
6736797Subcutaneous infusion setMay, 2004Larsen et al.
6749589Subcutaneous injection set for use with a reservoir that has a septumJune, 2004Douglas et al.
6790199Needle protective assembly for multi-draw needleSeptember, 2004Gianakos
6805686Autoinjector with extendable needle protector shroudOctober, 2004Fathallah et al.
6811545Safety needleNovember, 2004Vaillancourt
6814720Collecting bagNovember, 2004Olsen et al.
6824530Combination needle assembly and needle safety guardNovember, 2004Wagner et al.
6824531Medicament container with needle protection housingNovember, 2004Zecha, Jr. et al.
6830562Injector device for placing a subcutaneous infusion setDecember, 2004Mogensen et al.
6837877Safety shield assemblyJanuary, 2005Zurcher
6837878Bluntable needle assembly with open-ended blunting probeJanuary, 2005Smutney et al.
6840922Medical puncturing deviceJanuary, 2005Nielsen et al.
6880701Storage container for at least one hypodermic needleApril, 2005Bergeron et al.
6916017Vibration damper deviceJuly, 2005Noe
6923791Infusion device having offset flow pathAugust, 2005Douglas
6926694Apparatus and method for delivery of therapeutic and/or diagnostic agentsAugust, 2005Marano-Ford et al.
6939331Wing-like needle protectorSeptember, 2005Ohshima
6949084Catheter head for subcutaneous administration of an active substanceSeptember, 2005Marggi et al.
6960193Method and apparatus for the transdermal administration of a substanceNovember, 2005Rosenberg
6991619Apparatus for delivery of therapeutic and/or diagnostic agentsJanuary, 2006Marano-Ford et al.
6991620Apparatus for delivery of therapeutic and/or diagnostic agentsJanuary, 2006Marano-Ford et al.
6997907Insertion device for an insertion set and method of using the sameFebruary, 2006Safabash et al.
7018344Retractable needle shielding deviceMarch, 2006Bressler et al.
7022108Method for delivery of therapeutic and/or diagnostic agentsApril, 2006Marano-Ford et al.
7052483Transcutaneous inserter for low-profile infusion setsMay, 2006Wojcik
7056302Insertion device for an insertion set and method of using the sameJune, 2006Douglas
20010004970Needle protection apparatus used with a vialJune, 2001Hollister et al.
20010016714Needle point protection sheathAugust, 2001Bell et al.
20010021827Reaccessible medical needle safety devices and methodsSeptember, 2001Ferguson et al.
20010039401Safety shield for medical needlesNovember, 2001Ferguson et al.
20010041875MEDICAL ANESTHETIC NEEDLENovember, 2001Higuchi et al.
20020022855Insertion device for an insertion set and method of using the sameFebruary, 2002Bobroff et al.
20020068904Universal catheter anchoring systemJune, 2002Pluth et al.
20020072720Rigid soluble materials for use with needle-less infusion sets, sensor sets and injection devices and methods of making the sameJune, 2002Hague et al.
20020077599Transcutaneous inserter for low-profile infusion setsJune, 2002Wojcik
20020082543Microneedle devices and production thereofJune, 2002Park et al.
20020107489Disposable safety syringe which leaves no residual injectionAugust, 2002Lee
20020111581Safety angled indwelling needle and a protective shield for a safety angled indwelling needleAugust, 2002Sasso
20020145073Roll goods dispenser system and methods of useOctober, 2002Swanson
20020156424Needle covering member and syringe equipped therewithOctober, 2002Suzuki et al.
20020156427Needle protector assemblage, syringe equipped therewith and needle hubOctober, 2002Suzuki et al.
20020161332Infusion set with tapeOctober, 2002Ramey
20020161386CATHETER INSERTION DEVICE WITH RETRACTABLE NEEDLEOctober, 2002Halseth et al.
20020169419INFUSION APPARATUS FOR ADMINISTERING A MEDICINENovember, 2002Steg
20020173748Reservoir connectorNovember, 2002McConnell et al.
20020173769Infusion set for a fluid pumpNovember, 2002Gray et al.
20020183688Microdevice and method of manufacturing a microdeviceDecember, 2002Lastovich et al.
20020189688Valve and assembly for axially movable membersDecember, 2002Roorda
20020193737Single-use syringeDecember, 2002Popovsky
20020193744Needle safety device with antiremoval protectionDecember, 2002Alesi et al.
20030014018Pen needle and safety shield systemJanuary, 2003Giambattista et al.
20030060781Injector device for placing a subcutaneous infusion setMarch, 2003Mogensen et al.
20030069548Microdevice and method of delivering of withdrawing a substance through the skin of an animalApril, 2003Connelly et al.
20030105430Automatic injectorJune, 2003Lavi et al.
20030109829Injector device for placing a subcutaneous infusion setJune, 2003Mogensen et al.604/164.01
20030125669Insertion device for an insertion set and method of using the sameJuly, 2003Safabash et al.
20030125678Medical needle assembliesJuly, 2003Swenson et al.
20030130619Insertion device for an insertion set and method of using the sameJuly, 2003Safabash et al.
20030139704Protecting cap structure for the needle of a syringeJuly, 2003Lin
20030158520Insertion device for an insertion set and method of using the sameAugust, 2003Safabash et al.
20030176843Retractable safety needleSeptember, 2003Wilkinson
20030181863Microneedle adapterSeptember, 2003Davis et al.
20030181868Shieldable needle assembly with biased safety shieldSeptember, 2003Swenson
20030181873Needle shield assemblySeptember, 2003Swenson
20030181874Blood collection deviceSeptember, 2003Bressler et al.
20030187394Method and device for intradermally delivering a substanceOctober, 2003Wilkinson et al.
20030187395Intradermal delivery deviceOctober, 2003Wilkinson et al.
20030199823Insertion device for an insertion set and method of using the sameOctober, 2003Bobroff et al.
20030216686Low profile, pivotal connection infusion assemblyNovember, 2003Lynch et al.
20030225373Insertion device for an insertion set and method of using the sameDecember, 2003Bobroff et al.
20030225374Infusion device with needle shieldDecember, 2003Mathiasen
20030229308Injector adapter and combination thereofDecember, 2003Tsals et al.
20030229316Medical deviceDecember, 2003Hwang et al.
20040002682Insertion device for an insertion set and method of using the sameJanuary, 2004Kovelman et al.
20040006316Infusion device and method thereofJanuary, 2004Patton
20040026840Torsion spring setFebruary, 2004Eckel et al.
20040044306Pivoting joint infusion system with sealMarch, 2004Lynch et al.
20040049159Safety shield for medical needlesMarch, 2004Barrus et al.
20040068231Device for taking a sample from a bodyApril, 2004Blondeau
20040087913Safety needle assembly with locking retractionMay, 2004Rogers et al.
20040111068Safety needle assembly with passive pivoting shieldJune, 2004Swenson
20040112781PackageJune, 2004Hofverberg et al.
20040116865Needle insertion deviceJune, 2004Bengtsson
20040138612Patch-like infusion deviceJuly, 2004Shermer et al.
20040138620Infusion hub assembly and fluid line disconnect systemJuly, 2004Douglas et al.
20040143216Adapter connector for an infusion set and inserter systemJuly, 2004Douglas et al.
20040143218Needle having optimum grind for reduced insertion forceJuly, 2004Das
20040158202CoverAugust, 2004Jensen
20040158207Infusion setAugust, 2004Hunn et al.
20040162518Constant rate fluid delivery device with selectable flow rate and titratable bolus buttonAugust, 2004Connelly et al.
20040171989Biopsy needle deviceSeptember, 2004Horner et al.
20040178098Medical needle assembliesSeptember, 2004Swenson et al.
20040186446Wing-like needle protectorSeptember, 2004Ohshima
20040199123Infusion device and an adhesive sheet material and a release linerOctober, 2004Nielson
20040204687Injector device for placing a subcutaneous infusion setOctober, 2004Mogensen et al.
20040204690Connector set for medical use and indwelling catheter set using such connector setOctober, 2004Yashiro et al.
20040215151Injection devicesOctober, 2004Marshall et al.
20040220528Medical needle guardNovember, 2004Garcia, Jr.
20040236284Needle hiding assembly for a medication injectorNovember, 2004Hoste et al.
20040238392Intraocular lens and cartridge packaging with lens-loading functionDecember, 2004Peterson et al.
20040243065Reservoir connectorDecember, 2004McConnell et al.
20040254433Sensor introducer system, apparatus and methodDecember, 2004Bandis et al.
20040260235Infusion device having offset flow pathDecember, 2004Douglas
20040260250Infusion device with safety guardDecember, 2004Harris et al.
20050035014Container for disposable needle or cannulaFebruary, 2005Cane
20050043687Injector device for placing a subcutaneous infusion setFebruary, 2005Mogensen et al.
20050075606Retractable needle medical deviceApril, 2005Botich
20050101910Subcutaneous infusion setMay, 2005Bowman et al.
20050101912Device and method for insertion of a cannula of an infusion deviceMay, 2005Faust et al.
20050101932Subcutaneous infusion device and device for insertion of a cannula of an infusion device and methodMay, 2005Cote et al.
20050101933Subcutaneous infusion device and methodMay, 2005Marrs et al.
20050107743Infusion setMay, 2005Fangrow, Jr.
20050113761Subcutaneous infusion device and method including release feature for adhesive portionMay, 2005Faust et al.
20050119611APPARATUS AND METHOD FOR DELIVERY OF THERAPEUTIC AND/OR DIAGNOSTIC AGENTSJune, 2005Marano-Ford et al.
20050119619Intravenous catheter and insertion deviceJune, 2005Haining
20050119637Transcutaneous portal deviceJune, 2005Lundgren et al.
20050124936Injector device for placing a subcutaneous infusion setJune, 2005Mogensen et al.
20050131347Apparatus for delivery of therapeutic and/or diagnostic agentsJune, 2005Marano-Ford et al.
20050159709Safety shield system for a plastic syringeJuly, 2005Wilkinson
20050215979Infusion set and injector device for infusion setSeptember, 2005Konerup et al.
20050251098Insertion aid for inserting a cannula of a catheter head into organic tissueNovember, 2005Wyss et al.
20050256456APPARATUS FOR DELIVERY OF THERAPEUTIC AND/OR DIAGNOSTIC AGENTSNovember, 2005Marano-Ford et al.
20050261629METHOD FOR DELIVERY OF THERAPEUTIC AND/OR DIAGNOSTIC AGENTSNovember, 2005Marano-Ford et al.
20050277892Leakproof needle cover structure improvementDecember, 2005Chen
20050283114Device and method for insertion of a cannula of an infusion deviceDecember, 2005Bresina et al.
20060015063Catheter head with closeable seal elementJanuary, 2006Butikofer et al.
20060030815Coupling mechanism for connecting a catheter to a medical infusion lineFebruary, 2006Csincsura et al.
20060041224CoverFebruary, 2006Jensen
20060069351Insertion device for an insertion set and method of using the sameMarch, 2006Safabash et al.
20060095003Apparatus for delivery of therapeutic and/or diagnostic agentsMay, 2006Marano-Ford et al.
20060095014External inserter for transcutaneous deviceMay, 2006Ethelfeld
20060129123Transcutaneous inserter for low-profile infusion setsJune, 2006Wojcik
20060135908Insertion device for infusion setsJune, 2006Liniger et al.
20060173413Intravenous catheter insertion device with retractable needleAugust, 2006Fan
20060184104Needle guardAugust, 2006Cheney, II et al.
Foreign References:
DE19631921March, 1997
DE29905072September, 1999
DE20320207November, 2004
DKWO0172353October, 2001
DK1360970November, 2003
DK1475113November, 2004
EP0239244February, 1987Subcutaneous injection set.
EP0290176November, 1988Cannula insertion set with safety retracting needle.
EP0451040October, 1991Closed system intravenous catheter.
EP0544837June, 1993DISPOSABLE SKIN PERFORATOR AND BLOOD TESTING DEVICE.
EP0651662May, 1995IMPROVEMENTS RELATING TO INJECTION DEVICES.
EP0657184June, 1995Medical device
EP0714631June, 1996Lancet assembly
EP0744183November, 1996Hardpack shield for a pivoting needle guard
EP0747006December, 1996LANCET ASSEMBLY
EP0688232December, 1998AN INFUSION SET FOR AN INTERMITTENT OR CONTINUOUS ADMINISTRATION OF A THERAPEUTICAL SUBSTANCE
EP0956879November, 1999Subcutaneous drug delivery device
EP0615768December, 1999Device for subcutaneous medication delivery.
EP1086718March, 2001Apparatus for the transdermal administration of a substance
EP1125593August, 2001Hypodermic needleless injection system
EP0775501June, 2002Female coupling element for haemodialysis medical equipment
EP1329233July, 2003Container for disposable needle
EP1360970November, 2003Method for using a safety shield assembly and related combinations thereof
EP1380315January, 2004Safety needle assembly
EP1475113November, 2004External needle inserter
FR2725902October, 1994
GB478803January, 1938
GB906574September, 1962
GB2088215June, 1982
JPA-03-191965August, 1991
JP7051251November, 1995
JPA-08-187286July, 1996
JPA-10-179734July, 1998
JP2002028246January, 2002SAFETY DEVICE FOR INTRAVENOUS CANNULA
WO/1981/001795July, 1981INJECTABLE CATHETER AND METHOD OF PLACING SAME
WO/1982/003558October, 1982DISPOSITIF PERMETTANT D'INTRODUIRE UNE CANULE DE CATHETER DANS UN VAISSEAU SANGUIN
WO/1992/004062March, 1992A CANNULA
WO/1993/005840April, 1993CATHETER PLACEMENT UNITS
WO/1996/020021July, 1996UNIVERSAL HANDLE FOR MEDICAL INSTRUMENTS
WO/1996/032981October, 1996SAFETY STYLET FOR INTRAVENOUS CATHETER INSERTION
WO/1998/058693December, 1998SUBCUTANEOUS INFUSION SET
WO/1999/007435February, 1999SPRING-ACTUATED NEEDLELESS INJECTOR
WO/1999/033504July, 1999INSERTION DEVICE FOR AN INSERTION SET AND METHOD OF USING THE SAME
WO/2000/002614January, 2000SEALABLE SAFETY CATHETER HAVING A COMBINATION NEEDLE RETRACTION CHAMBER AND NEEDLE COVER
WO/2000/003757January, 2000MEDICAL PUNCTURING DEVICE
WO/2000/044324August, 2000ADHESIVE PAD WITH FLEXIBLE RELEASE PAPER
WO/2001/030419May, 2001DISPOSABLE JET INJECTOR
WO/2001/068180September, 2001DEVICE FOR SECURING A CATHETER OR THE LIKE
WO/2001/072353October, 2001NEEDLE ASSEMBLY WITH SHEATH AND METHOD OF FILLING A DRUG DELIVERY DEVICE
WO/2001/093926December, 2001AUTOMATED INJECTION DEVICE FOR ADMINISTRATION OF LIQUID MEDICAMENT
WO/2002/081012October, 2002INFUSION SET
WO/2002/094352November, 2002INFUSION SET FOR A FLUID PUMP
WO/2002/100457December, 2002INSERTION DEVICE FOR AN INSERTION SET AND METHOD OF USING THE SAME
WO/2002/102442December, 2002A RETRACTABLE NEEDLE ASSEMBLY FOR A CATHETER AND WHICH USES AN ELASTOMERIC MEMBER TO RETRACT THE NEEDLE
WO/2002/068014January, 2003SUBCUTANEOUS INJECTION SET WITH SECONDARY INJECTION SEPTUM
WO/2003/015860February, 2003MICRO NEEDELES AND METHOD OF MANUFACTURE THEREOF
WO/2003/026728April, 2003INJECTOR DEVICE FOR PLACING A SUBCUTANEOUS INFUSION SET
WO/2004/030726April, 2004NEEDLE DEVICE COMPRISING A PLURALITY OF NEEDLES
WO/2005/004973January, 2005MIXED INJECTION PORT
WO/2005/046780May, 2005DEVICE FOR INSERTION OF A CANNULA OF AN INFUSION DEVICE
WO/2005/068006July, 2005INDWELLING NEEDLE
Primary Examiner:
Yu, Mickey
Assistant Examiner:
Reynolds, Steven A.
Attorney, Agent or Firm:
Brinks Hofer Gilson & Lione
Claims:
What is claimed is:

1. A container for facilitating placement of a medical device through a patient's skin, the container comprising: a cylindrical housing in which there are defined a cap and a sleeve, said sleeve including a resting base having a planar surface configured for placement against a patient's skin, said cap surrounding at least a portion of said sleeve and being axially slidable relative to said sleeve to substantially encase said sleeve when a sufficient pressure is exerted on said cap; a retaining member located within said housing, said retaining member having a needle secured thereto; a releasing member for releasing said needle from said retaining member when said cap is made to slide on said sleeve, thereby allowing the placement of said needle under the patient's skin and the subsequent removal of said container; wherein the container is disposable and upon exertion of said pressure on said cap the force resulting from said pressure is transferred to said needle so that said needle is placed through the patient's skin by means of said pressure exerted on said cap.

2. A container as claimed in claim 1, wherein said base has, on an outer face, a gauze adhering to said base, said gauze comprising an adhesive having a removable protecting film thereon.

3. A container as claimed in claim 2, wherein said gauze is joined to said base in circular portions.

4. A container for facilitating placement of a medical device through a patient's skin, the container comprising: a cylindrical housing in which there are defined a cap and a sleeve, said sleeve including a resting base having a planar surface configured for placement against a patient's skin, said cap being axially slidable relative to said sleeve when a sufficient pressure is exerted on said cap; a retaining member located within said housing, said retaining member having a needle secured thereto; a releasing member for releasing said needle from said retaining member when said cap is made to slide on said sleeve, thereby allowing the placement of said needle under the patient's skin and the subsequent removal of said container; wherein the container is disposable and upon exertion of said pressure on said cap the force resulting from said pressure is transferred to said needle so that said needle is placed through the patient's skin by means of said pressure exerted on said cap and wherein said sleeve has an axial slit through which a hose extends radially and along which said hose is slidable when said cap is made to slide on said sleeve.

5. A container for facilitating placement of a medical device through a patient's skin, the container comprising: a cylindrical housing in which there are defined a cap and a sleeve, said sleeve including a resting base having a planar surface configured for placement against a patient's skin, said base having, on an outer face, a gauze adhering to said base, said gauze comprising an adhesive having a removable protecting film thereon, said cap being axially slidable relative to said sleeve when a sufficient pressure is exerted on said cap; a retaining member located within said housing, said retaining member having a needle secured thereto; a releasing member for releasing said needle from said retaining member when said cap is made to slide on said sleeve, thereby allowing the placement of said needle under the patient's skin and the subsequent removal of said container; wherein the container is disposable and upon exertion of said pressure on said cap the force resulting from said pressure is transferred to said needle so that said needle is placed through the patient's skin by means of said pressure exerted on said cap and wherein said needle is an L-shaped needle comprising a drug inlet branch transversally arranged within said housing and an axially arranged drug outlet branch, said inlet branch being connected to a hose radially extending from said container.

6. A container as claimed in claim 5, wherein said retaining member includes a securing portion directed toward said cap and a retaining portion directed toward said sleeve, said securing portion being firmly held inside an axial cylindrical hub extending within the cap and integral therewith, and said retaining portion axially extending within the housing and ending, at its end remote from said securing portion, with a plate transversally arranged relative to the axis of the retaining member, said plate being engaged against said sleeve so as to allow sliding of said cap on said sleeve when said plate is released from said sleeve.

7. A container as claimed in claim 6, wherein said plate has a substantially circular shape and comprises a pair of diametrically opposite radial grooves for the passage of corresponding axial projections formed within the sleeve and arranged to guide the axial sliding of the plate and the retaining member, when said cap is depressed.

8. A container as claimed in claim 7, wherein said plate comprises a groove, diametrically crossing the plane of the plate and retaining the inlet branch of the L-shaped needle for the infusion of the drug, said groove being arranged perpendicularly to said radial grooves.

9. A container as claimed in claim 8, wherein said groove retaining the needle axially extends inside the plate and the retaining member and widens at its end, into a radial hollow, thereby to define two diametrically opposite portions of said plate, which portions are deformable to release the needle retained in said groove.

10. A container as claimed in claim 9, wherein a pair of radially extending protrusions are formed on the internal wall of said sleeve to keep the plate in engagement with said sleeve, and wherein the internal wall of said sleeve comprises an axial groove through which the outlet branch of the L-shaped needle passes.

11. A container as claimed in claim 10, wherein said releasing member for releasing said needle from said retaining member comprises a pair of diametrically opposite fins, which are formed in the retaining portion of said retaining member and which project upwardly from the plate and diverge toward the cap, said fins ending with a convex portion interfering with said axial projections when the cap is depressed and the retaining member is made to slide along the sleeve for releasing the plate from the protrusions, so that, when the cap is completely lowered against the sleeve, the retaining member is arranged with the plate against the gauze and the branch of the L-shaped needle is completely placed through the patient's skin after having passed through an opening in the gauze.

12. A container as claimed in claim 5, wherein said retaining member comprises two coupled half-shells and includes a securing portion directed toward said cap and a retaining portion directed toward said sleeve, said retaining portion including a cavity between said half-shells for receiving said needle, and said securing portion comprising two shoulders, which are received into corresponding recesses formed in the edge of the sleeve remote from said base, and an axial recess extending up to said cavity.

13. A container as claimed in claim 12, wherein said sleeve comprises means for resiliently retaining said half-shells against each other.

14. A container as claimed in claim 12, wherein respective radial projections are provided on the inner surface of said sleeve in correspondence with the recesses, which projections co-operate with said shoulders and with respective teeth formed in the securing portion of said retaining member to axially join said retaining member to said sleeve.

15. A container as claimed in claim 12, wherein one of said half-shells comprises one or more pins engaging corresponding holes in the other half-shell when said half-shells are coupled to each other.

16. A container as claimed in claim 12, wherein the inlet branch of said needle is retained inside said cavity by co-operation between at least one support projection-and at least one tongue provided on one of said half-shells and received in respective seats provided in the other half-shell.

17. A container as claimed in claim 16, wherein one of said support projections is configured to prevent transversal movements of said needle relative to said sleeve.

18. A container as claimed in claim 12, wherein the half-shells are divided into first sections and second sections connected by a flexible connecting member, said first sections being shaped to define therebetween a passage for the outlet branch of said needle when said half-shells are joined to each other.

19. A container as claimed in claim 18, wherein said sleeve comprises two facing L-shaped axial projections forming a seat for said first sections.

20. A container as claimed in claim 19, wherein said releasing member comprises a projection provided inside said cap and received within said recess, wherein said projection is configured to force apart said second sections of the half-shells of said retaining member and push the inlet branch of said needle toward the container base when said cap slides on said sleeve, until the complete placement of the outlet branch of said needle through the patient's skin.

21. A container as claimed in claim 11, further comprising a second gauze, protected by a respective removable adhesive film and joined with said first gauze, the second gauze being foldable on the first gauze when the needle has been inserted and the container has been removed, whereby the first gauze and the inlet branch of the needle can be covered leaving only said second gauze exposed.

22. A container as claimed in claim 20, further comprising a second gauze, protected by a respective removable adhesive film and joined with said first gauze, the second gauze being foldable on the first gauze when the needle has been inserted and the container has been removed, whereby the first gauze and the inlet branch of the needle can be covered leaving only said second gauze exposed.

23. A container for facilitating placement of a cannula of a medical device through a patient's skin, the container comprising: a housing comprising a cap telescopically slidable over a sleeve, said sleeve defining an axis therethrough and including a resting base configured for placement against said patient's skin, said cap being slidable between a first position and a second position along the axis of said sleeve, wherein said cap substantially encases the axial length of said sleeve when said cap is in said second position; and a retaining member located within said housing, said retaining member having a piercing member secured thereto, said piercing member extending at least partially through said cannula for transcutaneous placement of said cannula; wherein said piercing member is concealed within said sleeve when said cap is in said first position and exposed from said sleeve when said cap is in said second position; wherein upon exertion of said pressure on said cap, said cap slides axially toward said patient's skin along said sleeve so that said piercing member is placed through said patient's skin and an end of said cannula is transcutaneously inserted and said medical device is retained on the patient and said piercing member secured to said retaining member is removed.

24. The container of claim 23 wherein a force resulting from an insertion pressure exerted on said cap is transferred to said piercing member.

25. The container of claim 23 further comprising a projecting structure defining said retaining member and extending generally axially from an end portion of said cap within said sleeve.

26. The container of claim 25 wherein said piercing member is attached to said projecting structure.

27. The container of claim 23 wherein said base comprises an adhesive face configured for adhering said base to said patient's skin.

28. The container of claim 27 further comprising a gauze attached to said base, said gauze configured for adhering said base to said patient's skin.

29. The container of claim 28, wherein said gauze includes an opening for said piercing member.

30. The container of claim 27 further comprising a protective film for covering said adhesive face prior to adhering said base to said patient's skin.

31. A container for facilitating placement of a cannula of a medical device through a patient's skin, the container comprising: a housing comprising a care telescopically slidable over a sleeve, said sleeve defining an axis therethrough and including a resting base configured for placement against said patient's skin, said cap being slidable between a first position and a second position along the axis of said sleeve, wherein said care substantially encases the axial length of said sleeve when said care is in said second position; and a retaining member located within said housing, said retaining member having a piercing member secured thereto, said piercing member extending at least partially through said cannula for transcutaneous placement of said cannula; and a release member for releasing said piercing member from said retaining member; wherein said piercing member is concealed within said sleeve when said cap is in said first position and exposed from said sleeve when said care is in said second position; and wherein upon exertion of said pressure on said cap, said cap slides axially toward said patient's skin along said sleeve so that said piercing member is placed through said patient's skin and an end of said cannula is transcutaneously inserted and said medical device is retained on the patient and said piercing member secured to said retaining member is removed.

32. The container of claim 23, further comprising a releasable annular protector surrounding said at least a portion of said sleeve to prevent said cap from sliding relative to said sleeve.

33. The container of claim 23, wherein said sleeve extends distal to a tip of said piercing member prior to insertion of said piercing member.

34. The container of claim 23, wherein said sleeve further comprises a pair of guiding members to guide said cap relative to said sleeve when said cap is depressed.

35. The container of claims 23 wherein said piercing member is adapted to administer a drug.

Description:

The present invention relates to a container for a disposable needle. More particularly, the invention refers to a container for a disposable needle for drug infusion, which container makes needle placement through a patient's skin easier.

As known, several medical treatments exploit subcutaneous infusion of liquid drugs: the drug flows through a hose connected to a needle placed through the patient's skin and it is directly delivered under the skin through said needle. Alternatively, insertion needles are employed for placement through the patient's skin of a soft and relatively flexible tubular cannula, followed by insertion needle removal and subsequent infusion of medical fluid to the patient directly through the cannula. In some cases, the patient himself/herself is to administer the drug. For instance, many diabetic patients self-administer insulin, in the form of controlled and prolonged infusion.

Clearly, many patients have no medical knowledge and therefore they may be reluctant to place the needle or cannula through their skin or inexpert in doing so. Thus, it is necessary to provide means allowing automatic placement, so as to prevent the patient's lack of skill or hesitation from resulting in an incorrect needle or cannula placement, with possible dangerous consequences.

Devices of this kind, which can be employed for the subcutaneous infusion of a liquid drug either through a needle or through a soft cannula, already exist and one of them is disclosed in U.S. Pat. No. 6,093,172.

According to the teaching of the above mentioned patent, a device for needle placement comprises a cylinder, the lower portion of which can receive the outward-directed needle and related hose, ready for placement through the patient's skin. Said cylinder internally includes a spring that can be brought into a loaded condition and, on its upper portion, a trigger that is to release said spring. By depressing the trigger, the spring is released so as to outward project, more particularly through the patient's skin, the needle located in the lower portion of the device. Once the needle is placed through the skin, a slight traction is sufficient to retract the device and leave the needle in place, in the correct position.

A problem with such kind of devices is that the patient is to provide for the correct introduction of the infusion set into the lower portion of the cylinder, to ensure a correct needle positioning.

It is a main object of the present invention to provide a container within which a needle and the related hose or, alternatively, a cannula, are already correctly positioned, so that the patient only has to place said container against his/her skin and to release the needle or cannula through a simple movement.

Another drawback of such known devices is that, while the needle is being placed inside the device, the user risks to prickle himself/herself while handling the needle. Moreover, at such step, the needle is exposed to the outside environment and in particular to germs and bacteria.

Thus, it is another object of the present invention to provide a container for a disposable needle or cannula that does not result in the risk for the user to prickle himself/herself during use and that allows maintaining hygiene and safety in respect of possible contamination by external agents.

A container for a disposable needle intended to facilitate needle or cannula placement through a patient's skin is disclosed in U.S. Pat. No. 6,093,172.

The above and other objects of the invention are achieved by a container as defined in the appended claims.

The container according to the invention has the appearance of a small housing of plastic material, already containing the needle connected with the related hose or, alternatively, the end of the cannula connected with the related insertion needle, and protected from the surrounding environment by means of a protecting film.

After said film has been removed and the container base has been placed against the skin, a simple push is sufficient to release the needle and pierce the skin.

Once the needle has been placed through the skin, the container can be removed by slightly pulling it, without risks of displacing the needle from the correct position.

If the drug is to be delivered to the patient directly through a soft cannula, the insertion needle of said cannula can be removed together with the container, without displacing the cannula.

Advantageously, the construction of a disposable device affords maximum simplicity of use and maximum hygiene.

A number of embodiments of the invention will be disclosed in greater detail with reference to the accompanying drawings, wherein the container according to the invention is employed for the insertion of a needle through a patient's skin. However, as already mentioned, the container according to the invention can be similarly used for the insertion of a soft cannula through a patient's skin.

In the accompanying drawings:

FIG. 1 is a side view of the container according to a first embodiment of the invention, shown before use;

FIG. 2 is a cross-sectional view taken along line A-A in FIG. 1;

FIG. 3 is a cross-sectional view taken along line A-A in FIG. 1, after needle insertion;

FIG. 4 is a cross-sectional view taken along line B-B in FIG. 2;

FIG. 5 is a cross-sectional view taken along line C-C in FIG. 2;

FIG. 6 is a top view of the container according to said first embodiment of the invention;

FIG. 7 is an overall perspective view of the container according to a second embodiment of the invention, shown before use;

FIG. 8 is an exploded view of the container shown in FIG. 7;

FIG. 9 is a plan view of the needle-retaining member in the container shown in FIG. 7, shown before assembling;

FIG. 10 is a side view of the needle-retaining member shown in FIG. 9; and

FIG. 11 is a cross-sectional view, taken along line D-D, of the needle-retaining member shown in FIG. 9.

Referring to FIG. 1, the container according to a first embodiment of the present invention comprises a cylindrical housing 1 , in which there is defined a cap 1 a axially slidable relative to a sleeve 1 b when a sufficient pressure is exerted on said cap 1 a.

Said cap 1 a moreover has an inner diameter slightly exceeding the outer diameter of sleeve 1 b , so as to allow sleeve 1 b to be received within cap 1 a when the latter has been wholly depressed.

Sleeve 1 b is integral with a base 1 c intended for placing the container against the patient's skin, in the area where a L-shaped needle is to be inserted.

A hose 11 , intended to supply the needle located within housing 1 with the drug, as it will be better disclosed hereinafter, radially comes out from sleeve 1 b through an axial slit 63 .

It is to be noted that said L-shaped needle with its related hose can be replaced by a soft cannula provided with an insertion needle of the type shown above captioned U.S. Pat. No. 6,093,172. Said cannula is a hollow tube made from a soft and flexible material, which can be bent into a desired configuration. In order to insert the cannula through a patient's skin, an insertion needle is introduced in the free end of the cannula and used for piercing the patient's skin and driving through the patient's skin said end of said cannula. The insertion needle is then removed, the cannula is bent into a L-shaped configuration for purpose of practicalness so as to adhere to the patient's skin and the drug is infused through the cannula. It is evident that, within the scope of the invention, the above disclosed cannula, together with the associated insertion needle, is equivalent to the aforesaid L-shaped needle and, for this reason, it will not be further described.

Outside housing 1 , a removable film 3 is applied onto base 1 c , to protect an adhesive gauze 5 placed between said film and base 1 c and weakly adhering to base 1 c in correspondence of a set of circular portions 7 .

Referring now to FIG. 2, the container according to said first embodiment of the invention comprises, within said housing 1 , a retaining member 9 comprising a securing portion 9 a directed towards cap 1 a and a retaining portion 9 b directed towards sleeve 1 b.

Securing portion 9 a is firmly held inside an axial cylindrical hub 10 extending within cap 1 a and integral therewith. Retaining portion 9 b axially extends inside the container and ends, at its end remote from said securing portion 9 a , with a plate 13 transversally arranged relative to the axis of retaining member 9 .

As better shown in FIG. 4, said plate 13 has a substantially circular shape and has a pair of diametrically opposite radial grooves 15 , through which corresponding axial projections 17 formed within sleeve 1 b pass. Said projections are arranged to guide the axial sliding of plate 13 , and consequently of member 9 , when cap 1 a is pressed against sleeve 1 b.

Still with reference to FIG. 4, said plate 13 further comprises a groove 19 , diametrically crossing the whole plane of plate 13 , perpendicularly to radial grooves 15 . Groove 19 retains inlet branch 21 a of an L-shaped needle 21 for the infusion of the drug, housed inside the container.

Turning back to FIG. 2, said groove 19 axially extends inside plate 13 and retaining element 9 b and widens, at its end, into a radial hollow 23 , thereby to define two diametrically opposite portions of said plate 13 . As it will be explained thereinafter, said portions can be deformed to release needle 21 once cap 1 a has been depressed.

Two circumferential rims 25 and 27 , respectively, are formed on the internal wall of sleeve 1 b to keep plate 13 in engagement against sleeve 1 b , thereby preventing cap 1 a from sliding until a force sufficient to overcome the resistance of outermost rim 25 relative to said cap 1 a is exerted against said cap.

With reference to FIG. 5, the internal wall of sleeve 1 b comprises an axial groove 31 housing outlet branch 21 b of L-shaped needle 21 .

Said sleeve 1 b further has, at the end of said axial groove 31 , a widened portion 41 in correspondence of base 1 c , to prevent branch 21 b of needle 21 from sticking into the wall of sleeve 1 b while advancing towards the outside through opening 37 provided in gauze 5 . Cap 1 a has a corresponding widening 43 to receive the outer projection defined by said widened portion 41 when sleeve 1 b is completely received within cap 1 a.

Turning back to FIG. 2, retaining portion 9 b further comprises a pair of diametrically opposite fins 33 upward projecting from plate 13 and diverging towards cap 1 a . Said fins 33 end with a convex portion 35 , interfering with axial projections 17 when cap 1 a is depressed and retaining member 9 is made to slide along sleeve 1 b , thereby disengaging plate 13 from rim 25 and bringing the container to the position shown in FIG. 3.

Referring now to FIG. 3, when cap 1 a is completely lowered against sleeve 1 b , retaining member 9 is arranged with plate 13 against the inner face of gauze 5 , and branch 21 b of L-shaped needle 21 will be completely placed through the patient's skin after having passed through opening 37 in gauze 5 .

Referring now to FIG. 6, gauze 5 is joined to a second adhesive gauze 39 , which in turn is protected by a respective removable adhesive film. The border of second gauze 39 can be folded on gauze 5 when needle 21 has been inserted and the container has been removed. Thus, the patient can advantageously cover the area of gauze 5 and branch 21 a of L-shaped needle 21 by said second gauze 39 , whereby only the border of gauze 39 is externally visible and the area occupied by the needle is thus protected.

The operation of the container according to said first embodiment is as follows: starting from the configuration shown in FIG. 2, protecting film 3 is removed and adhesive gauze 5 is made to adhere to the patient's skin in the area where needle 21 is to be inserted. Pushing cap 1 a towards base 1 c results, once the resistance of rim 25 has been overcome, in the release of plate 13 and the sliding of cap 1 a on sleeve 1 b . During this step, needle 21 is placed through the patient's skin and, at the same time, is released from retaining member 9 because of the deformation of plate 13 due to the pressure radially exerted by projections 17 onto fins 33 . The container has thus taken the configuration shown in FIG. 3 and it can be removed, while leaving the needle in place thanks to the weak adhesion between base 1 c and gauze 5 if compared with the adhesion between gauze 5 and the patient's skin. Subsequently, the protecting film of second gauze 39 can be removed therefrom and gauze 39 can be folded on and made to adhere to gauze 5 .

Referring now to FIGS. 7 to 11, a second embodiment of the invention is shown, which differs from the first embodiment in particular in respect of the structure of the needle-retaining member.

In this second embodiment, the container comprises a cylindrical housing 101 , in which a cap 101 a and a sleeve 101 b are defined. The sleeve has a slightly smaller diameter, so that, when a sufficient pressure is exerted on cap 101 a , the latter is axially slidable relative to sleeve 101 b and can internally receive the sleeve. Said sleeve 101 b is integral with a base 101 c intended for placing the container against the patient's skin.

Slightly projecting circumferential rims could be provided on the inner surface of the base of cap 101 a and on the outer surface of the edge of sleeve 101 b remote from base 101 c , respectively. Thanks to the co-operation between said circumferential rims, when housing 101 is assembled, said cap 101 a is axially slidable on sleeve 101 b but it cannot be accidentally separated therefrom.

Moreover, an annular band, e.g. of plastic material, could be applied around sleeve 101 b to prevent cap 101 a from accidentally sliding relative to sleeve 101 b . Said band can be easily removed by the user before use.

A hose 111 radially comes out from sleeve 101 b through an axial slit 163 . Said hose is intended to deliver the drug to an L-shaped needle 121 , located within housing 101 and comprising an inlet branch 121 a , onto which the hose is fitted, and an outlet branch 121 b , intended to be at least partly placed through the patient's skin. Said L-shaped needle 121 is housed within a retaining member 109 , contained within housing 101 .

Said retaining member 109 comprises a securing portion 109 a and a retaining portion 109 b and consists of two coupled half-shells 109 c , shaped so as to define therebetween a cavity 161 capable of receiving said needle 121 .

Securing portion 109 a comprises two shoulders 157 , 159 , which are received into corresponding recesses 165 , 167 formed in the edge of sleeve 101 b remote from base 101 c.

More particularly, recess 165 formed in correspondence with slit 163 is so sized that its edges resiliently press against shoulder 157 of retaining member 109 , whereas the opposite recess 167 is oversized with respect to the corresponding shoulder 159 in said member 109 , so that a clearance is left.

In the alternative, a pair of facing resilient members could be formed on the internal surface of said sleeve 101 b , which members radially project towards the centre of said sleeve to such an extent that they press against half-shells 109 c of said member 109 .

Advantageously, radial projections 166 , 168 are provided on the inner surface of sleeve 101 b in correspondence with recesses 165 , 167 and are firmly held between said shoulders 157 , 159 and corresponding teeth 158 , 160 formed in securing portion 109 a of said retaining member 109 . In such manner, retaining member 109 is axially joined to sleeve 101 b.

Furthermore, a recess 155 , extending up to cavity 161 , is defined in securing portion 109 a , to receive a projection 151 centrally provided inside cap 101 a . Preferably, end 153 of said projection 151 is so shaped that it conforms to the curved profile of hose 111 .

Two facing L-shaped axial projections 169 , diametrically opposed and parallel to slit 163 , are provided inside sleeve 101 b and they form a seat for the portion of said retaining member 109 receiving outlet branch 121 b of needle 121 .

FIGS. 9 to 11 show in detail retaining member 109 .

Advantageously, said retaining member 109 consists of two facing half-shells 109 c , whereby positioning of needle 121 is particularly easy: indeed, it will be sufficient to place said needle between said half-shells 109 c and then to join them, thereby blocking the needle therebetween. Said half-shells 109 c are preferably formed by moulding into a single element, and therefore they are advantageously joined by a flexible member 171 making their assembling easier.

One of said half-shells 109 c comprises three pins 173 engaging corresponding holes 175 in the other half-shell 109 c , thereby assisting in correctly aligning both half-shells 109 c at the assembling and, subsequently, in keeping them joined.

Both half-shells 109 c have a groove 161 a , 161 b defining cavity 161 when half-shells 109 c are joined.

Inlet branch 121 a of needle 121 , on which hose 111 is fitted, is retained inside cavity 161 thanks to the co-operation between a pair of support projections 177 , 178 and a pair of rigid tongues 181 provided on one of half-shells 109 c and housed in respective seats 179 in the other half-shell.

One of said support projections, 178 , is suitably arranged on one half-shell 109 c in correspondence of the bend between inlet and outlet branches 121 a , 121 b of needle 121 . When the retaining member 109 is assembled, said projection 178 prevents, by co-operating with the surface of the facing half-shell 109 , needle removal from housing 101 .

As shown in FIG. 11, retaining portion 109 b of each half-shell 109 c is divided into two sections 109 d , 109 e connected by a flexible connecting member 183 allowing limited relative displacements of said sections.

When half-shells 109 c are joined together, sections 109 e in the respective half-shells adhere to each other, whereas a passage for outlet branch 121 b of needle 121 is defined between sections 109 d.

In this second embodiment, insertion and release of the needle take place as follows. When pushing cap 101 a with sufficient force towards container base 101 c , projection 151 presses against hose 111 and, by overcoming the resistance of pins 173 and the elastic resistance of sleeve 101 b , said projection forces half-shells 109 c apart. Sections 109 d of said half-shells 109 c cannot be separated, since they are rigidly retained by L-shaped projections of sleeve 101 b , so that the passage for outlet branch 121 b of needle 121 defined therebetween keeps unchanged. On the contrary, sections 109 e of said half-shells can be spaced apart, by overcoming the elastic resistance of the edges of recess 165 in sleeve 101 b . In such manner, hose 111 can pass through half-shells 109 c along slit 163 , while needle 121 is guided between facing sections 109 d of half-shells 109 c , until its outlet branch 121 b becomes completely placed through the patient's skin.

Similarly to what described in connection with the first embodiment of the invention, also in this second embodiment the container can comprise, outside housing 101 and against base 101 c , an adhesive gauze 5 weakly adhering to base 101 c in correspondence of a set of circular portions. Thus, gauze 5 can remain adhering to the patient's skin after needle 121 has been placed through the patient's skin and the container has been removed. Said adhesive gauze 5 could be possibly joined with a second, protecting adhesive gauze which could be folded onto said first gauze after container removal.

It is clear that the above description has been given only by way of non-limiting example and that changes and modifications are possible without departing from the scope of the invention.

In particular, as already mentioned, even if the above description has been given with reference to the insertion of a needle through which the drug coming from a related hose is delivered to a patient, the container according to the invention can also be used for the insertion through a patient's skin of a cannula provided with an insertion needle when the drug is to be delivered to the patient directly through said cannula.





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