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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:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

Patent Number Title Of Patent Date Issued
5330435 Valve for a catheter assembly Jul. 19, 1994
5330437 Self sealing flexible elastomeric valve and trocar assembly for incorporating same Jul. 19, 1994
5320613 Medical lumen flushing and guide wire loading device and method Jun. 14, 1994
5312362 Seal for a cannula assembly May. 17, 1994
5312363 Low friction slit valve May. 17, 1994
5308336 Seal protection mechanism May. 3, 1994
5304143 Valve system for introducing objects into anatomical body portions Apr. 19, 1994
5304156 Self-sealing guidewire and catheter introducer Apr. 19, 1994
5300046 Thoracentesis sheath catheter assembly Apr. 5, 1994
5300044 Intravenous tube safety apparatus Apr. 5, 1994
5300035 Threaded screw trocar with sealing mechanism Apr. 5, 1994
5300034 Iv injection site for the reception of a blunt cannula Apr. 5, 1994
5300033 Introducer assembly and valve construction for use therein Apr. 5, 1994
5300047 Trocar cannula and catheter Apr. 5, 1994
5295657 Medical coupling site valve body Mar. 22, 1994
5295658 Medical coupling site including slit reinforcing members Mar. 22, 1994
5290245 Valved cannula assembly Mar. 1, 1994
5290263 Bidirectional check valve catheter Mar. 1, 1994
5282790 Cannula sealing mechanism Feb. 1, 1994
5279571 Access site for fluid delivery system Jan. 18, 1994
5279597 Catheter compression clamp Jan. 18, 1994
5273533 Medical valve Dec. 28, 1993
5273545 Endoscopic cannula with tricuspid leaf valve Dec. 28, 1993
5273546 Hemostasis valve Dec. 28, 1993
5269764 Hemostatic gasket and valve assembly Dec. 14, 1993
5269763 Self-sealing cannula cap Dec. 14, 1993
5269771 Needleless introducer with hemostatic valve Dec. 14, 1993
5267966 Hemostasis cannula and method of making a valve for same Dec. 7, 1993
5267983 Enteral adapter and tip protector Dec. 7, 1993
5267982 Variable shaped catheter system and method for catheterization Dec. 7, 1993
5263944 Adapter seal for laparoscopic cannula Nov. 23, 1993
5261895 Apparatus for guiding surgical instruments into a surgical site and blocking escape of fluids from the site Nov. 16, 1993
5259843 Medical connector for attaching to liquid introducing tube Nov. 9, 1993
5254097 Combined percutaneous cardiopulmonary bypass (PBY) and intra-aortic balloon (IAB) access cannula Oct. 19, 1993
5251873 Medical coupling site Oct. 12, 1993
5250034 Pressure responsive valve catheter Oct. 5, 1993
5242425 Antiseptic catheter coupling septum Sep. 7, 1993
5242413 Disc valve for a catheter Sep. 7, 1993
5234410 Catheter assembly Aug. 10, 1993
5230706 Bi-directional valve assembly used in needleless injection or infusion ports Jul. 27, 1993
5226879 Implantable access device Jul. 13, 1993
5224515 Tube closure Jul. 6, 1993
5224933 Catheter purge device Jul. 6, 1993
5221264 Reduction port for laparoscopic trocar sleeve and related method Jun. 22, 1993
5215537 Septum for a blunt cannula Jun. 1, 1993
5211650 Dual function suturing device and method May. 18, 1993
5211633 Selectable seal cannula May. 18, 1993
5211634 Composite seal structure and a coupling arrangement for a cannula May. 18, 1993
5209737 Lever actuated septum seal May. 11, 1993
5207656 Medical instrument valve having foam partition member May. 4, 1993

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