|Publication number||US3610240 A|
|Publication date||Oct 5, 1971|
|Filing date||Jun 13, 1967|
|Priority date||Jun 13, 1967|
|Publication number||US 3610240 A, US 3610240A, US-A-3610240, US3610240 A, US3610240A|
|Original Assignee||American Hospital Supply Corp|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (7), Referenced by (188), Classifications (5), Legal Events (2)|
|External Links: USPTO, USPTO Assignment, Espacenet|
United States Patent Andrew Harautuneian Gardena, Calif.
June 13, 1967 Oct. 5, 1971 American Hospital Supply Corporation lnventor Appl. N 0. Filed Patented Assignee Primary Examiner-Dalton L. Truluck Att0rneys-Larry N. Barger and Robert '1. Merrick ABSTRACT: An intravenous catheter assembly in which a separable gripping hub integrates a rigid cannula within which a flexible catheter is telescopically disposed; the gripping hub including hinged jaws and a circumferential pressure band, one jaw including an abutment shoulder against which the proximate end of the cannula is abuttingly disposed during administration of the cannula for a catheter insertion procedure; the clamping means including a baseplate and separate clamp parts and a longitudinal and transverse clamp plate; means for gripping a rearwardly disposed flexible protective sheath; and a protector disposed within the protective sheath and protecting the cannula therein to prevent rupture of the catheter when the gripping hub is removed from the assembled parts.
PATENTEI] [JET 5 |97| 3 610 240 sum 1 [IF 2 FIG. I.
m vew 70!? MW!!! #4 Mil l'U/Yf/A/l ATTORNEY PATENTED 0m 5 I97| sum 2 [IF 2 FIG. ll.
A T TORNE Y INTRAVENOUS CATHETER APPARATUS WITH CATHETER TELESCOPEI) INSIDE PUNCTURING CANNULA My invention relates to an intravenous catheter apparatus for inserting a flexible venous catheter into a patients vein. These flexible venous catheters are often inserted into a patients vein so he can move his arm without a rigid cannula gouging into his vein.
There are basically two types of intravenous catheter apparatus. One has the flexible catheter on an outside surface of the puncturing cannula and the other has the flexible catheter fed down through the cannulas bore. I have a related application filed on even date entitled Intravenous Catheter Apparatus with Catheter Telescoped on Outside of Puncturing Cannula" Ser. No. 645,655 filed June 13, 1967 deals with the former type. The present application deals with the latter type.
In this application (catheter inside cannula) I have provided three embodiments of a unique hub construction for holding the cannula while making the venipuncture. In one embodiment, this hub has a pair of opposed jaws which grip tightly around the cannula. Once the venipuncture is made, the jaws separate and the entire hub can be pulled back over the catheter, leaving only the cannula on the catheter. The cannula slides to a rear of the catheter where it is encased in a protector that keeps the cannulas sharp puncturing end from damaging the catheter.
My invention can best be understood with reference to the drawings, in which:
FIG. 1 is a side elevational view of the intravenous catheter apparatus showing a first embodiment of my hub construction;
FIG. 2 is a cross-sectional view taken along line 2-2 of FIGURE 1;
FIG. 3 is an enlarged side elevational view of the first embodiment of my split hub;
FIG. 4 is a cross-sectional view taken along line 4-4 of FIGURE 1;
FIG. 5 is a top plan view of the venous catheter and cannula with the cannula encased in a first embodiment of my cannula protector;
FIG. 6 is a front elevational view of this first embodiment cannula protector showing it in open position;
FIG. 7 is a side elevational view of this first embodiment cannula protector;
FIG. 8 is a side elevational view of a second embodiment of the cannula protector showing it in open position;
FIG. 9 is a top plan view of a second embodiment of my split-apart hub;
FIG. 10 is a side elevational view of this second embodiment hub showing a removable cam locking member;
FIG. 11 is a front elevational view of this second embodiment hub;
FIG. 12 is a top plan view of a third embodiment of my splitapart hub;
FIG. 13 is a side elevational view of this third embodiment hub; and
FIG. 14 is a front elevational view of this third embodiment hub. Referring in detail to these drawings, the intravenous catheter apparatus includes a cannula 1 with a flexible venous catheter 2 slideable through its bore. A rearward end of this cannula is tightly held in a hub 5. A first embodiment of this hub (FIGS. 1-4) includes a sheath-receiving portion 6 with a rigid lower jaw 7 and a hinged upper jaw 8 attached to this sheath-receiving portion 6. Opposed grooves 10 and 11 in the jaws present surfaces which tightly grip against an outside surface of the cannula and are held in this relationship by a removable rigid band 9. One of the grooves 10 or I] has a shoulder 12 against which a rear end of the cannula abuts when pushing the cannula into a vein.
Extending rearwardly through the hub is venous catheter 2 which has a hollow adapter 3 at its rear end with a tapered internal surface for connecting to an administration set. When not so connected, a plug 4 closes off the adapter. These elements (rearward portion of catheter, adapter and plug) are all protected from contamination by a flexible sheath 23 which is removably connected to sheath-receiving portion 6 of the hub.
In the past there has been some problem with the puncturing cannula of such apparatus. The puncturing cannula has a sharp edge at its forward end through which the soft flexible catheter extends. If the catheter is flexed and the cannula moves along the catheter, the cannula's sharp point can gouge into the soft catheter, possibly severing its wall. I have overcome this disadvantage by providing a protector for cannula I.
A first embodiment of this protector 14 (shown in FIGS. 5-7) includes a pair of panels 15 and I6 with opposed grooves 18 and 19 for holding the cannula. These grooves are narrowed at their ends sufficiently to prevent the cannula from slipping out but still let the catheter pass through the protector. The panels 15 and 16 have their ends hinged together at 17. They are hinged on just one side of the grooves and have a transverse opening 22 leading into the grooves. Thus, the cannula protector 14 can be laterally slipped onto the catheter. Catch members 20 and 21 hold the panels together to encase the cannula and keep it from gouging into the catheter.
In a second embodiment of the protector (FIG. 8) the panels 24 and 25 are hinged along their sides by hinge 26. This second embodiment of the protector with grooves 27 and 28 can also laterally slip onto the cannula and be clamped shut to protect the cannula.
Both cannula protector embodiments are preferably made of polypropylene plastic with integral polypropylene hinges between panels 15 and I6 and panels 24 and 25.
Having described in detail the cannula protector, we turn now to the second and third embodiments of my hub. The first embodiment (FIGS. 1-4) has been described previously.
The second embodiment (FIGS. 9-11) of my hub has a base wall 30 with a pair of upstanding arms 31 and 32 on opposite sides of cannula l. A lid 33 pivotally connects to these upstanding arms through pivot shafts 34 and 35 which fit into pivot pockets in these arms. Numeral 36 denotes the pivot pocket in arm 31, and there is a like pivot pocket in arm 32.
This lid 33 swings longitudinally towards base wall 30 and a portion 37 tightly clamps the cannula 1 against base wall 30. If desired, lid 33 can grip against a hub 48 on one end of cannula 1. Holding the lid 33 and base wall 30 in this gripping relationship is a cam member 40 with pivot shafts 4! and 42 that removably fit into pivot pockets in a second set of upstanding arms 38 and 39. Numeral 43 denotes the pivot pocket in arm 38 and arm 39 has a like pivot pocket. To open this embodiment of my hub, the operator pulls up on a handle of cam member 40 to release cam pressure on lid 33. After removing cam member 40 he then swings open lid 33 and pulls pivot shafts 34 and 35 out of the pivot pockets in upstanding arms 31 and 32. This lets the base wall 30 and the upstanding arm portions of the hub slide out from under the cannula.
Another feature of this second embodiment of the hub is the way a flexible sheath 23 is held to the hub. On each side of cannula 1 are cavities 44 and 45 in base wall 30 which can extend completely through the base wall if desired. Cooperating with these cavities are lugs 46 and 47 on lid 33 which push the flexible sheath 23 into the cavities where it is retained. When the lid is removed to release catheter 2, it simultaneously releases flexible sheath 23.
The third and final embodiment of my hub (FIGS. I2-I4) has a base wall 50 also with upstanding arms 53 and 54. Here, however, the lid 55 is hingedly connected to one arm 53 and transversely swings across the cannula l to grip the cannula or a hub 48 at one end of the cannula l to base wall 50. An opening 56 in lid 55 receives a catch means 57 on upstanding arm 54 to lock the lid against the cannula. As in the second embodiment, lugs and 61 cooperate with cavities 58 and 59 to simultaneously grip the flexible sheath 23.
The three hub versions described above can be made of various materials. However, the first and third embodiments are preferably made of polypropylene plastic with an integral polypropylene hinge between the jaws of the first embodiment and between the lid and upstanding arm of the third embodiment.
Having explained the structure of the various embodiments of my invention, we now turn to a brief description of how it is used. First, the operator takes the intravenous catheter apparatus as shown in FIG. 1 and makes the venipuncture'. Next, he pulls off band 9 (or removes cam member 40 or releases catch 57) and opens up the hub to release pressure on the cannula. He then pulls the flexible sheath 23 and the hub back over the catheter. He can remove the flexible sheath 23 and hub while they are still connected to each other or he can pull flexible sheath 23 off of hub 5 and remove them separately. Enlarged catheter opening 13 in hub 5 passes over adapter 3 and plug 4. Next, he slides the cannula rearwardly along the catheter and locks it inside the cannula protector 14. Finally, all that remains is a flexible catheter in the patients vein. There is no rigid cannula that can cause injury to him.
In the foregoing specification, I have described my invention using certain specific embodiments. It is understood that persons skilled in the art can make modifications to these embodiments without departing from the spirit and scope of this invention.
l. Intravenous catheter apparatus comprising a rigid puncturing cannula having a forward sharpened end and a rear abutment end;
a flexible catheter substantially longer than said cannula and telescopically disposed within said cannula for free relative movement therein;
a removable hub circumposed about said cannula and including a separate, displaceable mechanical gripping means including an inner abutment portion engaging the abutment end of said cannula for facilitating administration of said cannula, said displaceable mechanical gripping means including at least a portion positioned adjacent said sharpened end of the cannula for circumferentially gripping said cannula to prevent relative longitudinal movement between said hub and cannula, said hub having hingedly opposed separable gripping surfaces displaceable from each other upon displacement of the mechanical gripping means and release of the circumferential gripping to permit removal of said hub from said cannula; and
a flexible sheath attached to said hub for protecting the catheter portion which extends rearwardly beyond said hub and said cannula 2. Intravenous catheter apparatus as set forth in claim 1 wherein the hub includes a pair of hinged jaws having gripping surfaces in opposed longitudinal grooves in the jaws.
3. Intravenous catheter apparatus as set forth in claim 2 wherein the hub is of polypropylene and has an integral polypropylene hinge between the jaws.
4. Intravenous catheter apparatus as set forth in claim 1 wherein the hub includes a sheath-receiving portion which has an opening therethrough for passage of the cannula; said sheath-receiving portion having a bottom jaw of the hub rigidly attached thereto and having a top jaw hingedly attached thereto on a transverse, chordally disposed integral hinge portion; and said top and bottom jaws having gripping surfaces in longitudinal opposed grooves in the jaws.
5. Intravenous catheter apparatus as set forth in claim 4 wherein the apparatus has a rigid band surrounding the jaws keeping them in gripping relationship with said cannula, said rigid band being removable from the jaws so the jaws can swing open for removal of the hub from the cannula.
6. Intravenous catheter apparatus as set forth in claim 1 wherein the flexible sheath is removable from the hub.
7. Intravenous catheter apparatus as set forth in claim 1 wherein the opposed gripping surfaces grip a needle hub attached to one end of the cannula.
8. Intravenous catheter apparatus comprising: a tubular puncturing cannula; a flexible catheter telescoped inside said cannula; a removable hub grippingly engaging said cannula, said hub having opposed gripping surfaces which can separate from each other to release the catheter and cannula; and a flexible sheath attached to said hub for protecting a catheter portion which extends beyond said hub, the hub including a base wall with upstanding arms on opposite sides of said cannula, a lid pivotally connected to these arms and adapted to swing longitudinally along the cannula toward said base wall to grip said cannula between said lid and said base wall; and means for maintaining the lid and base wall in gripping relationship with said cannula.
9. Intravenous catheter apparatus as set forth in claim 8 wherein the lid and base wall grip a needle hub attached to one end of the cannula.
l0. Intravenous catheter apparatus as set forth in claim 8 wherein the base wall has a second set of upstanding anns on opposite sides of said cannula and said means is a cam member removably connected to said second set of upstanding arms, said cam member forcing said lid to squeeze the cannula against said base wall.
11. Intravenous catheter apparatus as set forth in claim 8 wherein the flexible sheath is gripped between said lid and base wall.
12. Intravenous catheter apparatus as set forth in claim II wherein the flexible sheath is gripped on opposite sides of the cannula by a lug and cavity construction in the lid and base wall.
l3. Intravenous catheter apparatus comprising: a tubular puncturing cannula; a flexible catheter telescoped inside said cannula; a removable hub grippingly engaging said cannula, said hub having opposed gripping surfaces which can separate from each other to release the catheter and cannula: and a flexible sheath attached to said hub for protecting a catheter portion which extends beyond said hub, the hub including a base wall, a lid pivotally connected to said base wall and adapted to swing transversely across said cannula and grip said cannula between the lid and the base wall, and releasable catch means on the hub to hold said lid in gripping relationship with said cannula.
14. Intravenous catheter apparatus as set forth in claim I3 wherein the lid and base wall grip a needle hub attached to one end of the cannula.
l5. Intravenous catheter apparatus as set forth in claim 13 wherein the flexible sheath is gripped between said lid and said base wall.
16. Intravenous catheter apparatus as set forth in claim 15 wherein the flexible sheath is gripped on opposite sides of the cannula by a lug and cavity construction in the lid and base wall.
17. Intravenous catheter apparatus as set forth in claim 13 wherein the lid is pivotally connected to said base wall at an upstanding arm integral with the base wall.
18. Intravenous catheter apparatus as set forth in claim I wherein the catheter has a hollow adapter on an end of the catheter within said flexible sheath, and wherein the apparatus includes a removable closure for said hollow adapter.
19. Intravenous catheter apparatus as set forth in claim I wherein the catheter is substantially longer than said cannula and the cannula is slideable along said catheter after making a venipuncture, said apparatus including means within said flexible sleeve to protect the flexible catheter from being cut by a sharp-pointed end of the cannula surrounding the catheter after said hub has been removed from said cannula.
20. Intravenous catheter apparatus as set forth in claim 19 wherein the means includes a pair of hinged panels which clamp around the cannula to keep its pointed end from cutting into the catheter.
21. Intravenous catheter apparatus as set forth in claim 20 wherein the hinged panels have opposed mating grooves for encasing said cannula with a portion of the grooves extending beyond a pointed end of the cannula through which the catheter extends; said panels being of polypropylene with an integral polypropylene hinge integrally connecting the two panels together at one side of said grooves, which panels have an entrance slot on an opposite side of said grooves whereby the catheter can be laterally inserted into the grooves; and said panels have fastening means for holding them together to encase the cannula.
|Cited Patent||Filing date||Publication date||Applicant||Title|
|US2566499 *||Feb 14, 1950||Sep 4, 1951||Bruno Richter||Expansile surgical needle|
|US2707953 *||Jul 15, 1952||May 10, 1955||Abbott Lab||Transfusion equipment|
|US3055361 *||Apr 22, 1960||Sep 25, 1962||Deseret Pharmaceutical Company||Intravenous catheters|
|US3215141 *||Feb 4, 1963||Nov 2, 1965||Podhora Fred W||Intravenous catheter apparatus|
|US3324853 *||Mar 2, 1964||Jun 13, 1967||Sorenson Res Corp||Intravenous catheter protector unit|
|US3515137 *||Oct 26, 1966||Jun 2, 1970||Deseret Pharma||Intravenous catheter unit with inserter means for sequential feeding of catheter|
|US3537451 *||Oct 26, 1966||Nov 3, 1970||Deseret Pharma||Intravenous catheter unit with releasable inserter means|
|Citing Patent||Filing date||Publication date||Applicant||Title|
|US3856009 *||May 29, 1973||Dec 24, 1974||Johnson & Johnson||Catheter placement unit|
|US3860006 *||Jun 25, 1973||Jan 14, 1975||Kendall & Co||Suprapubic catheter system using an internal stylet|
|US3904033 *||Nov 8, 1974||Sep 9, 1975||Xomox Corp||Pick-guard|
|US4326520 *||Dec 22, 1980||Apr 27, 1982||Alley Ralph D||Brake-actuated catheter feeder|
|US4417887 *||Sep 28, 1982||Nov 29, 1983||Fuji Terumo Co., Ltd.||Connector for catheter|
|US4610661 *||Jun 13, 1984||Sep 9, 1986||Possis Medical, Incorporated||Perfusion device|
|US4664259 *||Aug 29, 1986||May 12, 1987||Robert Landis||Needle container and method for preventing accidental contact with a needle|
|US4826490 *||Jul 23, 1986||May 2, 1989||National Research Development Corporation||Safety device for hypodermic needle or the like|
|US4929241 *||Aug 5, 1988||May 29, 1990||Kulli John C||Medical needle puncture guard|
|US4982842 *||Jun 4, 1990||Jan 8, 1991||Concord/Portex||Safety needle container|
|US5112311 *||Jul 30, 1990||May 12, 1992||David S. Utterberg||Guarded winged needle assembly|
|US5139489 *||Mar 4, 1991||Aug 18, 1992||Smiths Industries Medical Systems, Inc.||Needle protection device|
|US5154285 *||Dec 20, 1991||Oct 13, 1992||Smiths Industries Medical Systems, Inc.||Needle assembly holder with rotatable safety sheath member|
|US5232454 *||Aug 1, 1990||Aug 3, 1993||Smiths Industries Medical Systems, Inc.||Safety needle container|
|US5232455 *||Jan 7, 1991||Aug 3, 1993||Smiths Industries Medical Systems, Inc.||Syringe with protective housing|
|US5266072 *||Sep 21, 1992||Nov 30, 1993||Utterberg David S||Guarded winged needle assembly|
|US5338311 *||Aug 23, 1993||Aug 16, 1994||Mahurkar Sakharam D||Hypodermic needle assembly|
|US5433703 *||Feb 18, 1994||Jul 18, 1995||Utterberg; David S.||Guarded winged needle assembly|
|US5490841 *||Jul 29, 1994||Feb 13, 1996||Landis; Robert M.||Safety sheath device|
|US5514100 *||Apr 19, 1994||May 7, 1996||Mahurkar; Sakharam D.||Hypodermic needle assembly|
|US5536257 *||May 5, 1995||Jul 16, 1996||British Technology Group Ltd.||Safety device for hypodermic needle or the like|
|US5549572 *||May 5, 1995||Aug 27, 1996||British Technology Group, Ltd.||Safety device for hypodermic needle or the like|
|US5601535 *||Dec 3, 1993||Feb 11, 1997||British Technology Group Ltd.||Safety device for hypodermic needle or the like|
|US5683370 *||Nov 21, 1996||Nov 4, 1997||Luther Medical Products, Inc.||Hard tip over-the-needle catheter and method of manufacturing the same|
|US5685862 *||Dec 18, 1995||Nov 11, 1997||Mahurkar; Sakharam D.||Hypodermic needle assembly|
|US5836921 *||Jan 16, 1996||Nov 17, 1998||Mahurkar; Sakharam D.||Hypodermic needle assembly|
|US5879338 *||Mar 19, 1996||Mar 9, 1999||Mahurkar; Sakharam D.||Needle-syringe assembly for guidewire insertion|
|US5891105 *||Sep 3, 1997||Apr 6, 1999||Mahurkar; Sakharam D.||Hypodermic needle assembly|
|US5913848 *||Jun 6, 1996||Jun 22, 1999||Luther Medical Products, Inc.||Hard tip over-the-needle catheter and method of manufacturing the same|
|US5916208 *||Nov 21, 1996||Jun 29, 1999||Luther Medical Products, Inc.||Hard tip over-the-needle catheter and method of manufacturing the same|
|US5957893 *||Sep 8, 1998||Sep 28, 1999||Becton Dickinson & Co.||Hard tip over-the needle catheter and method of manufacturing the same|
|US6027474 *||Sep 30, 1998||Feb 22, 2000||Medtronic Ave, Inc.||Hydraulic exchange catheter|
|US6099496 *||Sep 30, 1998||Aug 8, 2000||Medtronic Ave, Inc.||Catheter having a variable length shaft segment and method of use|
|US6117108 *||Jun 12, 1998||Sep 12, 2000||Braun Melsungen Ag||Spring clip safety IV catheter|
|US6117112 *||Nov 18, 1997||Sep 12, 2000||Mahurkar; Sakharam D.||Single-use safety syringe|
|US6200305||Sep 30, 1998||Mar 13, 2001||Medtronic Ave, Inc.||Catheter having a variable length shaft segment and method of use|
|US6280401||May 20, 1997||Aug 28, 2001||Sakharam D. Mahurkar||Hypodermic needle assembly|
|US6287278||Oct 30, 1998||Sep 11, 2001||B. Braun Melsungen, Ag||Spring dip safety IV catheter|
|US6328713||Jul 15, 1999||Dec 11, 2001||Sims Portex Inc.||Needle sheath device|
|US6500129||Jun 14, 2001||Dec 31, 2002||Sakharam D. Mahurkar||Hypodermic needle assembly|
|US6592556||Jul 19, 2000||Jul 15, 2003||Tyco Healthcare Group Lp||Medical needle safety apparatus and methods|
|US6632201||Nov 17, 1999||Oct 14, 2003||Baxter International Inc.||Locking needle protector|
|US6648855||Jun 14, 2002||Nov 18, 2003||Becton, Dickinson And Company||Safety needle assembly|
|US6699217||Jun 12, 2002||Mar 2, 2004||Becton, Dickinson And Company||Safety needle assembly|
|US6780169||Jun 12, 2002||Aug 24, 2004||Becton, Dickinson And Company||Safety shield assembly|
|US6796968||Mar 13, 2001||Sep 28, 2004||Tyco Healthcare Group Lp||Reaccessible medical needle safety devices and methods|
|US6949086||Jun 11, 2003||Sep 27, 2005||Tyco Healthcare Group Lp||Seldinger safety shield for medical needles|
|US7001363||Nov 26, 2002||Feb 21, 2006||F. Mark Ferguson||Safety shield for medical needles|
|US7029461||Jun 6, 2002||Apr 18, 2006||Tyco Healthcare Group Lp||Safety shield for medical needles|
|US7070580||Apr 1, 2003||Jul 4, 2006||Unomedical A/S||Infusion device and an adhesive sheet material and a release liner|
|US7115112||Sep 1, 2003||Oct 3, 2006||Unomedical A/S||Device for subcutaneous administration of a medicament to a patient and tubing for same|
|US7118552||Feb 13, 2001||Oct 10, 2006||Astrazeneca Ab||Automatically operable safety shield system for syringes|
|US7125397||May 27, 2004||Oct 24, 2006||B. Braun Melsungen Ag||Protective device for an injection needle|
|US7128726||Feb 4, 2004||Oct 31, 2006||Becton Dickinson And Company||Safety needle assembly|
|US7144389||Dec 2, 2002||Dec 5, 2006||Tyco Healthcare Group, Lp||Safety shield for medical needles|
|US7147623||Feb 11, 2003||Dec 12, 2006||Unomedical A/S||Infusion device with needle shield|
|US7163526||Jan 8, 2003||Jan 16, 2007||Becton, Dickinson And Company||Flashback blood collection needle with needle shield|
|US7198618||Jun 27, 2001||Apr 3, 2007||Tyco Healthcare Group Lp||Safety shield for medical needles|
|US7220249||May 29, 2002||May 22, 2007||Becton, Dickinson And Company||Hinged needle shield assembly having needle cannula lock|
|US7223258||May 24, 2002||May 29, 2007||Becton Dickinson And Company||Safety shield assembly|
|US7226434||Oct 31, 2003||Jun 5, 2007||Tyco Healthcare Group Lp||Safety shield|
|US7258680||Sep 1, 2003||Aug 21, 2007||Unomedical A/S||Device for subcutaneous administration of a medicament to a patient|
|US7264613||May 23, 2003||Sep 4, 2007||B. Braun Melsungen Ag||Spring clip safety IV catheter|
|US7300423||Nov 19, 2003||Nov 27, 2007||Tyco Healthcare Group Lp||Safety device with trigger mechanism|
|US7320682||May 17, 2002||Jan 22, 2008||Tyco Healthcare Group Lp||Safety device|
|US7361159||Mar 4, 2002||Apr 22, 2008||Covidien Ag||Passive safety shield|
|US7407493||Jun 22, 2004||Aug 5, 2008||Unomedical A/S||Container for disposable needle or cannula|
|US7438703||Dec 6, 2001||Oct 21, 2008||Tyco Healthcare Group Lp||Safety shield for medical needles|
|US7481794||Sep 9, 2005||Jan 27, 2009||Unomedical A/S||Cover|
|US7481797||Nov 3, 2006||Jan 27, 2009||Mahurkar Sakharam D||Retractable needle single use safety syringe|
|US7500964||Apr 26, 2007||Mar 10, 2009||Astrazeneca Ab||Automatically operable safety shield system for syringes|
|US7500965||Mar 29, 2002||Mar 10, 2009||B. Braun Melsungen Ag||Safety spring catheter introducer assembly|
|US7537581||Dec 12, 2006||May 26, 2009||Becton, Dickinson And Company||Needle shield assembly having hinged needle shield and flexible cannula lock|
|US7553296||Aug 22, 2007||Jun 30, 2009||Tyco Healthcare Group Lp||Safety device with trigger mechanism|
|US7566327||Jul 11, 2003||Jul 28, 2009||Fenwal, Inc.||Needle protector|
|US7594909||Sep 2, 2003||Sep 29, 2009||Unomedical, A/S||Apparatus and method for adjustment of the length of an infusion tubing|
|US7611487||Sep 29, 2006||Nov 3, 2009||B. Braun Melsungen Ag||Protective device for an injection needle|
|US7611499||Feb 23, 2007||Nov 3, 2009||B. Braun Melsungen Ag||Spring clip safety IV catheter|
|US7615033||Aug 16, 2004||Nov 10, 2009||Becton, Dickinson And Company||Flashback blood collection needle|
|US7621395||Jun 8, 2006||Nov 24, 2009||Unomedical A/S||Packing for infusion set and method of applying an infusion set|
|US7625360||Jan 5, 2006||Dec 1, 2009||B. Braun Melsungen Ag||Spring clip safety IV catheter|
|US7648494||Mar 21, 2005||Jan 19, 2010||Unomedical A/S||Infusion set and injector device for infusion set|
|US7654484||Sep 2, 2003||Feb 2, 2010||Unomedical A/S||Apparatus for and a method of adjusting the length of an infusion tube|
|US7654735||Oct 6, 2006||Feb 2, 2010||Covidien Ag||Electronic thermometer|
|US7731692||Jul 11, 2005||Jun 8, 2010||Covidien Ag||Device for shielding a sharp tip of a cannula and method of using the same|
|US7736332||Nov 1, 2004||Jun 15, 2010||Tyco Healthcare Group Lp||Safety shield|
|US7802824||Nov 26, 2003||Sep 28, 2010||Unomedical A/S||Connecting piece for a tubing|
|US7828773||Jul 11, 2005||Nov 9, 2010||Covidien Ag||Safety reset key and needle assembly|
|US7850650||Jul 11, 2005||Dec 14, 2010||Covidien Ag||Needle safety shield with reset|
|US7854723||Jul 3, 2007||Dec 21, 2010||Becton, Dickinson And Company||Needle shield assembly having hinged needle shield|
|US7862547||Oct 21, 2005||Jan 4, 2011||Tyco Healthcare Group Lp||Safety shield for medical needles|
|US7867199||Dec 9, 2005||Jan 11, 2011||Unomedical A/S||Inserter|
|US7867200||Dec 9, 2005||Jan 11, 2011||Unomedical A/S||Inserter|
|US7905857||Jul 11, 2005||Mar 15, 2011||Covidien Ag||Needle assembly including obturator with safety reset|
|US7918821||May 5, 2009||Apr 5, 2011||Mahurkar Sakharam D||Universal safety syringe|
|US7963943||Dec 31, 2008||Jun 21, 2011||Tyco Healthcare Group Lp||I.V. catheter assembly and needle safety device|
|US7972313||Nov 22, 2006||Jul 5, 2011||B. Braun Melsungen Ag||Spring clip safety IV catheter|
|US7976498||Apr 27, 2007||Jul 12, 2011||Tyco Healthcare Group Lp||Needle assembly including obturator with safety reset|
|US7985199||Feb 22, 2006||Jul 26, 2011||Unomedical A/S||Gateway system|
|US7988664||Aug 24, 2007||Aug 2, 2011||Tyco Healthcare Group Lp||Locking clip with trigger bushing|
|US8012126||Oct 29, 2007||Sep 6, 2011||Unomedical A/S||Infusion set|
|US8038654||Feb 26, 2007||Oct 18, 2011||Becton, Dickinson And Company||Syringe having a hinged needle shield|
|US8062250||Dec 23, 2004||Nov 22, 2011||Unomedical A/S||Cannula device|
|US8100858||Oct 7, 2009||Jan 24, 2012||B. Braun Melsungen Ag||Protective device for an injection needle|
|US8152771||Oct 15, 2003||Apr 10, 2012||Unomedical A/S||Injector device for placing a subcutaneous infusion set|
|US8162889||Sep 29, 2010||Apr 24, 2012||Covidien Ag||Safety reset key and needle assembly|
|US8162892||Mar 29, 2004||Apr 24, 2012||Unomedical A/S||Injector device for placing a subcutaneous infusion set|
|US8162896||Sep 30, 2009||Apr 24, 2012||Becton, Dickinson And Company||Flashback blood collection needle|
|US8172805||Jan 7, 2005||May 8, 2012||Unomedical A/S||Injector device for placing a subcutaneous infusion set|
|US8172809||Jul 15, 2010||May 8, 2012||Tyco Healthcare Group Lp||Safety shield apparatus and mounting structure for use with medical needle devices|
|US8211070||Dec 12, 2003||Jul 3, 2012||B. Braun Melsungen Ag||Spring clip safety IV catheter|
|US8221355||Mar 21, 2005||Jul 17, 2012||Unomedical A/S||Injection device for infusion set|
|US8226617||Mar 8, 2007||Jul 24, 2012||Tyco Healthcare Group Lp||Safety shield apparatus and mounting structure for use with medical needle devices|
|US8246588||Jul 3, 2008||Aug 21, 2012||Unomedical A/S||Insertion device with pivoting action|
|US8277408||Jul 1, 2003||Oct 2, 2012||Becton, Dickinson And Company||Safety needle assembly|
|US8287498||Dec 12, 2006||Oct 16, 2012||Bd Medical Products, Pte. Ltd.||Flashback blood collection needle with needle shield|
|US8287516||Mar 21, 2005||Oct 16, 2012||Unomedical A/S||Infusion set|
|US8303549||Dec 22, 2006||Nov 6, 2012||Unomedical A/S||Injection device|
|US8313469||May 20, 2011||Nov 20, 2012||Tyco Healthcare Group Lp||I.V. catheter assembly and needle safety device|
|US8348893||Dec 18, 2008||Jan 8, 2013||Covidien Lp||Locking clip assembly with spring-loaded collar|
|US8348894||Jun 20, 2011||Jan 8, 2013||Covidien Lp||Needle assembly including obturator with safety reset|
|US8357104||Nov 1, 2007||Jan 22, 2013||Coviden Lp||Active stylet safety shield|
|US8376994||May 3, 2011||Feb 19, 2013||B. Braun Melsungen Ag||Protective device for an injection needle|
|US8382718||Jul 31, 2006||Feb 26, 2013||B. Braun Melsungen Ag||Needle assembly and components thereof|
|US8398540||May 11, 2008||Mar 19, 2013||Technion Research & Development Foundation Ltd.||Semi disposable endoscope|
|US8419687||Apr 29, 2010||Apr 16, 2013||Covidien Ag||Device for shielding a sharp tip of a cannula and method of using the same|
|US8430850||Jul 2, 2008||Apr 30, 2013||Unomedical A/S||Inserter having bistable equilibrium states|
|US8439838||Jun 7, 2007||May 14, 2013||Unomedical A/S||Inserter for transcutaneous sensor|
|US8460249||Sep 5, 2012||Jun 11, 2013||B. Braun Melsungen Ag||Needle assembly and components thereof|
|US8486003||Jul 2, 2008||Jul 16, 2013||Unomedical A/S||Inserter having two springs|
|US8496627||Mar 21, 2007||Jul 30, 2013||Covidien Lp||Passive latch ring safety shield for injection devices|
|US8506528||Aug 1, 2011||Aug 13, 2013||Covidien Lp||Locking clip with trigger bushing|
|US8523809||Apr 29, 2010||Sep 3, 2013||Covidien Ag||Device for shielding a sharp tip of a cannula and method of using the same|
|US8562567||Jul 16, 2010||Oct 22, 2013||Unomedical A/S||Inserter device with horizontal moving part|
|US8647313||Oct 22, 2012||Feb 11, 2014||B. Braun Melsungen Ag||Spring clip safety IV catheter|
|US8708964||Feb 1, 2011||Apr 29, 2014||Bd Medical Products, Pte. Ltd.||Flashback blood collection needle with needle shield|
|US8728035||May 7, 2007||May 20, 2014||Vascular Pathways, Inc.||Intravenous catheter insertion device and method of use|
|US8784387||Mar 15, 2013||Jul 22, 2014||B. Braun Melsungen Ag||Needle assembly and components thereof|
|US8790311||Jun 8, 2007||Jul 29, 2014||Unomedical A/S||Mounting pad|
|US8834417||Jul 15, 2010||Sep 16, 2014||Covidien Ag||Needle assembly with removable depth stop|
|US8945057||Aug 2, 2007||Feb 3, 2015||Unomedical A/S||Cannula and delivery device|
|US9022979||Feb 19, 2013||May 5, 2015||B. Braun Melsungen Ag||Protection device for an injection needle|
|US9028447||Sep 27, 2010||May 12, 2015||Poly Medicure Limited||Needle protector assembly|
|US9089673||Aug 1, 2013||Jul 28, 2015||Covidien Lp||Locking clip with trigger bushing|
|US9162037||Jul 6, 2006||Oct 20, 2015||Vascular Pathways, Inc.||Intravenous catheter insertion device and method of use|
|US9186480||Apr 15, 2008||Nov 17, 2015||Unomedical A/S||Apparatus for making a catheter|
|US9211379||Feb 28, 2007||Dec 15, 2015||Unomedical A/S||Inserter for infusion part and infusion part provided with needle protector|
|US9254373||Dec 18, 2009||Feb 9, 2016||Unomedical A/S||Medical device comprising adhesive pad|
|US9278173||Dec 22, 2006||Mar 8, 2016||Unomedical A/S||Device for administration|
|US9289237||Jan 21, 2014||Mar 22, 2016||B. Braun Melsungen Ag||Spring clip safety IV catheter|
|US9320869||Oct 9, 2015||Apr 26, 2016||Unomedical A/S||Apparatus for making a catheter|
|US9387307||May 23, 2014||Jul 12, 2016||B. Braun Melsungen Ag||Needle assembly and components thereof|
|US9415159||Mar 30, 2011||Aug 16, 2016||Unomedical A/S||Medical device|
|US9440051||Oct 23, 2012||Sep 13, 2016||Unomedical A/S||Inserter for a multiplicity of subcutaneous parts|
|US9522254||Jan 29, 2014||Dec 20, 2016||Vascular Pathways, Inc.||Systems and methods for venipuncture and catheter placement|
|US9533092||Aug 6, 2010||Jan 3, 2017||Unomedical A/S||Base part for a medication delivery device|
|US9566384||Feb 19, 2009||Feb 14, 2017||Unomedical A/S||Insertion device with horizontally moving part|
|US9616201||Feb 27, 2014||Apr 11, 2017||Vascular Pathways, Inc.||Intravenous catheter and insertion device with reduced blood spatter|
|US9675784||Feb 6, 2014||Jun 13, 2017||Vascular Pathways, Inc.||Intravenous catheter insertion and blood sample devices and method of use|
|US9724127||Sep 23, 2011||Aug 8, 2017||Unomedical A/S||Insertion system and insertion kit|
|US20020169418 *||Mar 29, 2002||Nov 14, 2002||Thomas Menzi||Safety spring catheter introducer assembly|
|US20030195471 *||May 23, 2003||Oct 16, 2003||Kevin Woehr||Spring clip safety IV catheter|
|US20050004532 *||May 27, 2004||Jan 6, 2005||Kevin Woehr||Protective device for an injection needle|
|US20050027263 *||Dec 12, 2003||Feb 3, 2005||Kevin Woehr||Spring clip safety IV catheter|
|US20070016138 *||Jul 11, 2005||Jan 18, 2007||Sherwood Services Ag||Safety reset key and needle assembly|
|US20070049868 *||Sep 29, 2006||Mar 1, 2007||Kevin Woehr||Protective device for an injection needle|
|US20070073244 *||Jul 11, 2005||Mar 29, 2007||Sherwood Services Ag||Needle assembly including obturator with safety reset|
|US20070167914 *||Dec 12, 2006||Jul 19, 2007||Bd Medical Products, Pte. Ltd||Flashback blood collection needle with needle shield|
|US20080119792 *||Mar 21, 2005||May 22, 2008||Grete Kornerup||Infusion Set|
|US20080300574 *||Jul 6, 2006||Dec 4, 2008||Amir Belson||Intravenous Catheter Insertion Device and Method of Use|
|US20080312601 *||Jul 2, 2008||Dec 18, 2008||Unomedical A/S||Container for Disposable Needle or Cannula|
|US20100087787 *||Oct 7, 2009||Apr 8, 2010||Kevin Woehr||Protective device for an injection needle|
|US20100145226 *||Sep 30, 2009||Jun 10, 2010||Becton, Dickinson And Company||Flashback Blood Collection Needle|
|US20100204546 *||May 11, 2008||Aug 12, 2010||Noam Hassidov||Semi disposable endoscope|
|US20100280410 *||Jul 15, 2010||Nov 4, 2010||Covidien Ag||Needle Assembly with Removable Depth Stop|
|US20100298739 *||Aug 2, 2010||Nov 25, 2010||Tyco Healthcare Group Lp||Multifunctional Medical Access Device|
|US20110015579 *||Sep 29, 2010||Jan 20, 2011||Tyco Healthcare Group Lp||Safety Reset Key and Needle Assembly|
|US20110125102 *||Feb 1, 2011||May 26, 2011||Becton, Dickinson And Company||Flashback Blood Collection Needle with Needle Shield|
|USD655807||Mar 20, 2008||Mar 13, 2012||Unomedical A/S||Medical device|
|USD682415||Jun 24, 2010||May 14, 2013||Unomedical A/S||Medical device|
|USRE36398 *||Jul 16, 1998||Nov 16, 1999||Btg International Limited||Safety device for hypodermic needle or the like|
|USRE36447 *||Jul 16, 1998||Dec 14, 1999||Btg International Limited||Safety device for hypodermic needle or the like|
|USRE37252||Mar 30, 1999||Jul 3, 2001||Sims Portex Inc.||Safety needle cartridge system|
|EP2331167A1 *||Sep 25, 2009||Jun 15, 2011||Kawasumi Laboratories, Inc.||Anti-needlestick system|
|EP2331167A4 *||Sep 25, 2009||Sep 26, 2012||Kawasumi Lab Inc||Anti-needlestick system|
|EP2946804A1 *||Sep 27, 2010||Nov 25, 2015||Poly Medicure Limited||Needle protector assembly|
|WO2008139461A3 *||May 11, 2008||Feb 25, 2010||Technion Research & Development Foundation Ltd.||Semi disposable endoscope|
|WO2012032378A1 *||Sep 27, 2010||Mar 15, 2012||Poly Medicure Limited||Needle protector assembly|
|U.S. Classification||604/162, 604/163|
|Jan 30, 1990||AS||Assignment|
Owner name: BAXTER INTERNATIONAL INC.
Free format text: CHANGE OF NAME;ASSIGNOR:BAXTER TRAVENOL LABORATORIES, INC., A CORP. OF DE;REEL/FRAME:005050/0870
Effective date: 19880518
|Mar 2, 1987||AS||Assignment|
Owner name: BAXTER TRAVENOL LABORATORIES, INC. A CORP. OF DE
Free format text: MERGER;ASSIGNOR:AMERICAN HOSPITAL SUPPLY CORPORATION INTO;REEL/FRAME:004760/0345
Effective date: 19870126