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Class Information
Number: 604/256
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 > Means for controlling material flow to or from body, or metering a predetermined dose or amount > Having flow closing or opening means (e.g., plug, cap, seal, etc.)
Description: Subject matter including closure or seal means on the conduit which prevents flow to or from the body until the closure or seal is opened, or conversely, which stops flow when the closure or seal is closed.










Patents under this class:
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Patent Number Title Of Patent Date Issued
6079432 Control of fluid flow by oval shaped valve member containing a cam interface Jun. 27, 2000
6077249 Tubular shaft instrument Jun. 20, 2000
6071265 Catheter system for skin passage units Jun. 6, 2000
6068011 Control of fluid flow May. 30, 2000
6068614 Plastic syringe with overcap May. 30, 2000
6066117 Cannula flapper valve assembly May. 23, 2000
6063063 Catheter with an open/closing mechanism May. 16, 2000
6063062 Universal luer activatable and swabbable antireflux valve May. 16, 2000
6050978 Needleless valve connector Apr. 18, 2000
6048335 Needleless injection site Apr. 11, 2000
6045535 Surgical sealing sleeve Apr. 4, 2000
6045539 Sterile medical injection port and cover apparatus Apr. 4, 2000
6045540 Filtration apparatus Apr. 4, 2000
6042567 Apparatus for the introduction or removal of fluid based material from a blood vessel of a patient Mar. 28, 2000
6042573 Surgical valve Mar. 28, 2000
6039302 Swabbable luer-activated valve Mar. 21, 2000
6036672 Instrument seal Mar. 14, 2000
6032926 Hose coupling for a medical transfer system Mar. 7, 2000
6029946 Needleless valve Feb. 29, 2000
6027482 Syringe tip cap Feb. 22, 2000
6024729 Hemostasis valve assembly including guide wire seal Feb. 15, 2000
6019746 Low profile balloon feeding device Feb. 1, 2000
6019748 Medical valve with fluid escape space Feb. 1, 2000
6007516 Valve port and method for vascular access Dec. 28, 1999
6004301 Surface access double hemostatic valve for hemodialysis Dec. 21, 1999
5997515 Screw-type skin seal with inflatable membrane Dec. 7, 1999
5992899 Adapter for mounting a fluid handling device on a catheter tubing Nov. 30, 1999
5989216 Access portal and method Nov. 23, 1999
5989227 Prefilled syringe with sterility-preserving cap Nov. 23, 1999
5989224 Universal seal for use with endoscopic cannula Nov. 23, 1999
5989228 Trocar flapper valve Nov. 23, 1999
5984903 Catheter having a valve with a bi-directional axial slits Nov. 16, 1999
5986002 Medical article of improved sterilizability Nov. 16, 1999
5984941 Trocar Nov. 16, 1999
5971965 Needleless injection site Oct. 26, 1999
5972020 Surgical instrument for cardiac valve repair on the beating heart Oct. 26, 1999
5967490 Catheter hubs having a valve Oct. 19, 1999
5957898 Needleless connector Sep. 28, 1999
5954957 Multi-purpose cap for hydraulic ports on a medical device Sep. 21, 1999
5954313 Medical intravenous administration line connectors having a luer activated valve Sep. 21, 1999
5951519 Aseptic female connector Sep. 14, 1999
5947932 Closed system blood sampling device Sep. 7, 1999
5944697 Percutaneous catheter introducer Aug. 31, 1999
5935112 Hemostasis valve with catheter/guidewire seals Aug. 10, 1999
5935122 Dual valve, flexible expandable sheath and method Aug. 10, 1999
5928204 Medical valve and method of use Jul. 27, 1999
5921264 Swabbable needleless valve Jul. 13, 1999
5908409 Tubing plug Jun. 1, 1999
5901942 Medical valve May. 11, 1999
5897538 Leak prevention fitting for infusion set Apr. 27, 1999

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