Source: http://www.google.com/patents/US7736339?ie=ISO-8859-1
Timestamp: 2014-07-22 11:40:22
Document Index: 391957961

Matched Legal Cases: ['art 2', 'art 2', 'Application No. 2005', 'Application No. 2001', 'Application No. 2004', 'Application No. 11', 'Application No. 2000', 'Application No. 2000']

Patent US7736339 - Catheter insertion device - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign in<nobr>Advanced Patent Search</nobr>PatentsThe invention relates to a catheter insertion device comprising: an approximately hollow cylindrical catheter sleeve (2), at whose distal end a catheter (4) is attached; a needle sleeve (8) with a hollow needle (9), which is attached thereto and which, when ready for use, extends through the catheter...http://www.google.com/patents/US7736339?utm_source=gb-gplus-sharePatent US7736339 - Catheter insertion deviceAdvanced Patent SearchPublication numberUS7736339 B2Publication typeGrantApplication numberUS 10/520,325PCT numberPCT/EP2003/007073Publication dateJun 15, 2010Filing dateJul 2, 2003Priority dateJul 4, 2002Fee statusPaidAlso published asDE20210394U1, DE50309090D1, DE50311908D1, EP1545681A1, EP1545681B1, EP1911485A1, EP1911485B1, US8328762, US8333735, US8337463, US8540728, US20060155245, US20100249707, US20120179104, US20120203181, US20130046315, US20140012203, US20140135702, WO2004004819A1Publication number10520325, 520325, PCT/2003/7073, PCT/EP/2003/007073, PCT/EP/2003/07073, PCT/EP/3/007073, PCT/EP/3/07073, PCT/EP2003/007073, PCT/EP2003/07073, PCT/EP2003007073, PCT/EP200307073, PCT/EP3/007073, PCT/EP3/07073, PCT/EP3007073, PCT/EP307073, US 7736339 B2, US 7736339B2, US-B2-7736339, US7736339 B2, US7736339B2InventorsKevin Woehr, Kenneth C. RainesOriginal AssigneeB.Braun Melsungen AgExport CitationBiBTeX, EndNote, RefManPatent Citations (125), Non-Patent Citations (9), Referenced by (23), Classifications (19), Legal Events (5) External Links: USPTO, USPTO Assignment, EspacenetCatheter insertion deviceUS 7736339 B2Abstract The invention relates to a catheter insertion device comprising: an approximately hollow cylindrical catheter sleeve (2), at whose distal end a catheter (4) is attached; a needle sleeve (8) with a hollow needle (9), which is attached thereto and which, when ready for use, extends through the catheter sleeve (2) and the catheter (4), and; a needle protective element (13) that is arranged inside the catheter sleeve (2) while being able to move on the needle (9). Said needle protective element has an engaging section (13 c) that engages with an engaging device (9 b), which is formed in the vicinity of the needle tip, when the hollow needle is withdrawn from the catheter sleeve (2). A check valve (7, 17) is placed inside the catheter sleeve (2) between the catheter (4) and the needle protective element (13). The hollow needle (9), when ready for use, extends through said check valve, and the check valve automatically closes once the needle is withdrawn.
CROSS-REFERENCE TO RELATED APPLICATION This is a U.S. national phase application of PCT application No. PCTJEP2003/007073, filed Jul. 2, 2003, which claims priority to German application Ser. No. 202 10 394.3, filed Jul. 4, 2002, the contents of these applications are expressly incorporated herein by reference.
BACKGROUND A device of this kind is known from EP 352 928, wherein in a hollow catheter hub a needle guard element is arranged. On withdrawal of the hollow needle from the catheter over an engaging means near the tip of the hollow needle, the needle guard element engages with the engaging means and covers the tip when the hollow needle is separated from the catheter. In this design, after withdrawal of the hollow needle from the catheter, through this catheter blood can issue with which the operating personnel can come into contact.
SUMMARY This object is solved according to the invention by the features in the characterizing part of claim 1. In the ready position, a check valve is arranged in the catheter hub between the catheter and the needle guard element. Through this valve the hollow needle extends, so that after withdrawal of the hollow needle from the catheter the latter can be reliably closed such that an outflow of blood is prevented, while simultaneously the tip of the hollow needle is securely covered by the needle guard element so that the operating personnel cannot injure themselves on the needle tip.
BRIEF DESCRIPTION OF THE DRAWINGS Exemplary embodiments of the invention are explained in more detail below with reference to the drawing, in which:
DETAILED DESCRIPTION FIG. 1 shows a catheter insertion device 1 having a catheter hub 2 which has a two-part form in the embodiment. A distal hub element 3 of the catheter hub has a holding section 3 a in which a catheter 4 is press-fitted. The proximal end of the hub element 3 has an enlarged diameter with regard to the distal end and forms a connecting section with a hub element 5 whose distal end overlaps the proximal end of the hub element 3 and which is provided at its proximal end with a Luer thread 6. Between the two hub elements 3 and 5, a check valve in the form of a valve disc 7 is inserted and is fixed in place by the two hub elements 3 and 5.
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Braun Melsungen AgCatheter insertion deviceUS20120203181 *Apr 19, 2012Aug 9, 2012B. Braun Melsungen AgCatheter insertion deviceWO2012113865A1Feb 23, 2012Aug 30, 2012B. Braun Melsungen AgFlushing medical devices* Cited by examinerClassifications U.S. Classification604/164.08, 604/110International ClassificationA61M5/32, A61M5/00, A61M25/08, A61M25/06, A61M39/06, A61M25/00Cooperative ClassificationA61M39/0693, A61M2005/325, A61M5/3273, A61M39/0606, A61B17/3415, A61M25/0097, A61M25/0606, A61M25/0618, A61M39/221European ClassificationA61M25/06D1, A61M39/06PLegal EventsDateCodeEventDescriptionDec 9, 2013FPAYFee paymentYear of fee payment: 4Nov 30, 2010CCCertificate of correctionJun 3, 2010ASAssignmentFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:RAINES, KENNETH C.;REEL/FRAME:24481/379Effective date: 20100603Owner name: B. BRAUN MELSUNGEN AG,GERMANYFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:RAINES, KENNETH C.;REEL/FRAME:024481/0379Feb 9, 2006ASAssignmentOwner name: B. BRAUN MELSUNGEN AG, GERMANYFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:WOEHR, KEVIN;REEL/FRAME:017247/0282Effective date: 20051219Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:WOEHR, KEVIN;REEL/FRAME:17247/282Owner name: B. BRAUN MELSUNGEN AG,GERMANYSep 12, 2005ASAssignmentOwner name: B. BRAUN MELSUNGEN, A.G., GERMANYFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:WOEHR, KEVIN;REEL/FRAME:016520/0858Effective date: 20050906Owner name: B. BRAUN MELSUNGEN, A.G.,GERMANYFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:WOEHR, KEVIN;REEL/FRAME:16520/858RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services©2012 Google