Means for introducing or removing material from body for therapeutic purposes (e.g., medicating, irrigating, aspirating, etc.) > Treating material introduced into or removed from body orifice, or inserted or removed subcutaneously other than by diffusing through skin > Material introduced or removed through conduit, holder, or implantable reservoir inserted in body > Body piercer, obturator rod, or stylet axially movable within body entering conduit while latter is disposed in body > Having flow closure means for conduit > Valve means > Patents

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Class Information
Number: 604/167.03
Name: Surgery > Means for introducing or removing material from body for therapeutic purposes (e.g., medicating, irrigating, aspirating, etc.) > Treating material introduced into or removed from body orifice, or inserted or removed subcutaneously other than by diffusing through skin > Material introduced or removed through conduit, holder, or implantable reservoir inserted in body > Body piercer, obturator rod, or stylet axially movable within body entering conduit while latter is disposed in body > Having flow closure means for conduit > Valve means
Description: Subject matter wherein the flow closure means is a mechanical flow control means to prevent flow of material through the conduit or leakage therefrom after the stiffening element is removed from the conduit.

Sub-classes under this class:

Class Number	Class Name	Patents
604/167.05	Rotatable type valve (e.g., stopcock etc.)	27
604/167.04	Slit valve	118

Patents under this class:

1 2 3 4

Patent Number	Title Of Patent	Date Issued
7396346	Indwelling catheter set	Jul. 8, 2008
7390316	Seal positioning assembly	Jun. 24, 2008
7371227	Trocar seal assembly	May. 13, 2008
7344519	Trocar system	Mar. 18, 2008
7192433	Locking vascular introducer assembly with adjustable hemostatic seal	Mar. 20, 2007
7163525	Duckbill seal protector	Jan. 16, 2007
7125396	Safety catheter system and method	Oct. 24, 2006
7083626	Surgical access device with pendent valve	Aug. 1, 2006
7056304	Medical instrument	Jun. 6, 2006
7056303	Surgical instrument seal assembly	Jun. 6, 2006
7044937	Universal modular surgical applicator systems	May. 16, 2006
7044936	Catheter connector with pivot lever spring latch	May. 16, 2006
6916309	Medical valve with positive flow characteristics	Jul. 12, 2005
6860869	Surgical instrument seal assembly	Mar. 1, 2005
6805688	Method and device for use in micro-invasive surgical procedures, and guide catheter and valve unit for a device for use in micro-invasive surgical procedures	Oct. 19, 2004
6783516	Trocar	Aug. 31, 2004
6767340	Sealing valve assembly for medical products	Jul. 27, 2004
6755806	Catheter insertion device with a system for liquid-tight clamping of the insertion lumen	Jun. 29, 2004
6743208	Occlusion balloon catheter with distal valve	Jun. 1, 2004
6740063	Luer receiving vascular access system	May. 25, 2004
6709418	Apparatus and methods for entering cavities of the body	Mar. 23, 2004
6699221	Bloodless catheter	Mar. 2, 2004
6695817	Medical valve with positive flow characteristics	Feb. 24, 2004
6692467	Trocar assembly	Feb. 17, 2004
6676638	Indwelling needle with an inner needle retraction mechanism	Jan. 13, 2004
6656153	Balloon catheter	Dec. 2, 2003
6569119	Trocar system having cannula with finger grips	May. 27, 2003
6551270	Dual lumen access port	Apr. 22, 2003
6537254	Universal protective catheter sleeve	Mar. 25, 2003
6520939	Hemostasis valve	Feb. 18, 2003
6458103	Axially activated hemostasis valve with lumen size selection	Oct. 1, 2002
6383160	Variable anti-siphon valve apparatus and method	May. 7, 2002
6355014	Low profile catheter valve	Mar. 12, 2002
6352520	Hemostatic valve for a catheter introducer	Mar. 5, 2002
6352521	Valve and sealing means for hemodialysis access device	Mar. 5, 2002
6287280	Hemostasis valve apparatus with integral introducer	Sep. 11, 2001
6280417	Trocar	Aug. 28, 2001
6277100	Catheter guide wire introducing device and method	Aug. 21, 2001
6276661	Pressure actuated introducer valve	Aug. 21, 2001
6258065	Surgical instrument seal assembly	Jul. 10, 2001
6254529	Endoscopic forceps stopper	Jul. 3, 2001
6221048	Needle device	Apr. 24, 2001
6221050	Self-retaining needle assembly and valve element for use therein	Apr. 24, 2001
6217556	Drainage catheter	Apr. 17, 2001
6217568	Preslit injection site and tapered cannula for blood sampling	Apr. 17, 2001
6171299	Method of providing surgical access through an incision	Jan. 9, 2001
6162196	Multiport access device	Dec. 19, 2000
6159182	Reusable cannula with disposable seal	Dec. 12, 2000
6086570	Hemostasis valve with membranes having offset apertures	Jul. 11, 2000
6077249	Tubular shaft instrument	Jun. 20, 2000