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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
5738663 Medical valve with fluid escape space Apr. 14, 1998
5738664 Self-healing seal for use in medical devices Apr. 14, 1998
5730418 Minimum fluid displacement medical connector Mar. 24, 1998
5727770 Double valve cannula seal Mar. 17, 1998
5722961 Flow control device for use with an intravenous set Mar. 3, 1998
5720730 Lubricated trocar valve Feb. 24, 1998
5720734 Gastrostomy feeding ports Feb. 24, 1998
5718682 Access port device and method of manufacture Feb. 17, 1998
5718691 Gastrostomy feeding port with a positively sealing one-way entrance valve Feb. 17, 1998
5716346 Method and apparatus for loading syringes without the need for hypodermic needles Feb. 10, 1998
5716347 Gastrostomy feeding ports with positively sealing entrance valves Feb. 10, 1998
5709664 Trocar valve assembly Jan. 20, 1998
5702370 Self-sealing guidewire and catheter introducer Dec. 30, 1997
5700248 Medical valve with tire seal Dec. 23, 1997
5699821 Control of fluid flow Dec. 23, 1997
5697911 Plug for a wound drain Dec. 16, 1997
5695478 Safety connector for infusion therapy Dec. 9, 1997
5693031 Method of using reusable surgical trocar with disposable valve assembly Dec. 2, 1997
5693025 Adapter with hemostasis valve and rotatable connector Dec. 2, 1997
5685866 Medical valve and method of use Nov. 11, 1997
5685854 Valve system for introducing objects into anatomical body portions Nov. 11, 1997
5683347 Balloon catheter Nov. 4, 1997
5676671 Device for introducing an appliance to be implanted into a catheter Oct. 14, 1997
5676346 Needleless connector valve Oct. 14, 1997
5674209 Connector for attachment to a drain tube Oct. 7, 1997
5674196 Device for introducing medical fluid into the human ear Oct. 7, 1997
5674206 Intravenous injection site having wipeable septum and valve structure Oct. 7, 1997
5669883 Veress needle and cannula assembly Sep. 23, 1997
5662614 Balloon expandable universal access sheath Sep. 2, 1997
5657963 Seal assembly for accommodating introduction of surgical instruments Aug. 19, 1997
5649932 Myringotomy tube Jul. 22, 1997
5645538 Needleless valve for use in intravenous infusion Jul. 8, 1997
5643227 Hemostasis cannula valve apparatus and method of using same Jul. 1, 1997
5634913 Softening conduit for carrying fluids into and out of the human body Jun. 3, 1997
5634911 Screw-type skin seal with inflatable membrane Jun. 3, 1997
5634908 Gas-tight seal accommodating surgical instruments with a wide range of diameters Jun. 3, 1997
5628732 Trocar with improved universal seal May. 13, 1997
5624410 Magnetic cap for medical appliance to be retained in human body Apr. 29, 1997
5616130 Needleless injection site Apr. 1, 1997
5616129 Needleless injection site Apr. 1, 1997
5613956 Catheter introducer Mar. 25, 1997
5613663 Valve device Mar. 25, 1997
5607397 Adaptor cap and trocar assembly Mar. 4, 1997
RE35459 Aortic root cannula Feb. 18, 1997
5603702 Valve system for cannula assembly Feb. 18, 1997
5599317 Externalized sealed catheter with leakproof access Feb. 4, 1997
5595314 Torque-resistant closure for a hermetically sealed container Jan. 21, 1997
5580030 Diaphragm flow control assembly Dec. 3, 1996
5578059 Anti-reflux valve with environmental barrier Nov. 26, 1996
5573516 Needleless connector Nov. 12, 1996

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