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Class Information
Number: 604/247
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 fluid responsive means (e.g., check valve, etc.)
Description: Subject matter including means responsive to fluid pressure to control flow or meter amounts of material to or from body.










Patents under this class:
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Patent Number Title Of Patent Date Issued
7600530 Connector with check valve and method of use Oct. 13, 2009
7601141 Pressure actuated flow control valve Oct. 13, 2009
7581559 Check valve for a fluid administration system Sep. 1, 2009
7533696 One-way medical valve apparatus May. 19, 2009
7517335 Device for administering of medication in fluid form Apr. 14, 2009
7497849 High flow rate needleless medical connector Mar. 3, 2009
7497848 Needleless medical connector with expandable valve mechanism Mar. 3, 2009
7470261 Medical valve Dec. 30, 2008
7470253 Fluid delivery apparatus with adjustable flow rate control Dec. 30, 2008
7389788 Low pressure measurement devices in high pressure environments Jun. 24, 2008
7390310 Shunt valve locking mechanism Jun. 24, 2008
7371227 Trocar seal assembly May. 13, 2008
7367963 Apparatus and method for preventing free flow in an infusion line May. 6, 2008
7357792 Positive push medical valve with internal seal Apr. 15, 2008
7329234 Self-occluding catheter Feb. 12, 2008
7325572 Flow restrictor device for a medical apparatus Feb. 5, 2008
7326187 Fluid control device Feb. 5, 2008
7326197 Method and apparatus for chest drainage Feb. 5, 2008
7308300 Medical injection system Dec. 11, 2007
7291133 Device for the metered administration of a fluid drug Nov. 6, 2007
7291134 Medical connector Nov. 6, 2007
7267669 Two site infusion apparatus Sep. 11, 2007
7252652 Valved catheters including high flow rate catheters Aug. 7, 2007
7235067 Sleeve valve catheters Jun. 26, 2007
7232420 Multiple flow rate selection valve Jun. 19, 2007
7226433 Thrombectomy catheter device having a self-sealing hemostasis valve Jun. 5, 2007
7192419 Medium cracking pressure valve arrangement Mar. 20, 2007
7150727 Apparatus and method for preventing free flow in an infusion line Dec. 19, 2006
7115108 Method and device for intradermally delivering a substance Oct. 3, 2006
7066901 MR-compatible fluid valve Jun. 27, 2006
7056307 Weight dependent, automatic filling dosage system and method of using same Jun. 6, 2006
7037303 Urinary flow control valve May. 2, 2006
7004931 Proximal catheter assembly having a self-limiting aspiration valve Feb. 28, 2006
6991621 Medical instrument for irrigation and/or suction Jan. 31, 2006
6972001 Fluid delivery system having pump systems, check valves and a removable patient interface Dec. 6, 2005
6972009 System related to intravenous anaesthesia Dec. 6, 2005
6953453 Contrast medium delivery system and associated method Oct. 11, 2005
6932110 Unidirectional valve appliance Aug. 23, 2005
6929631 Method and apparatus for percutaneously accessing a pressure activated implanted port Aug. 16, 2005
6929620 Injector for liquid medicine Aug. 16, 2005
6926707 Instrument including connector for facilitating connection onto a guidewire without access to the ends of the guide-wire and method of use Aug. 9, 2005
6901283 Adjusting a condition of a fluid medium to produce an image of a patient May. 31, 2005
6866654 Pressure isolation mechanisms and fluid delivery systems including pressure isolation mechanisms Mar. 15, 2005
6855126 Conformable balloonless catheter Feb. 15, 2005
6830556 Debridement extension providing irrigation and mechanical scrubbing for removal of dead, devitalized, or contaminated tissue from a wound Dec. 14, 2004
6827703 Single lumen balloon catheter apparatus Dec. 7, 2004
6824389 Post mortem reconstitution of circulation Nov. 30, 2004
6820652 Multi-channel valve Nov. 23, 2004
6800072 Contrast dispensing system Oct. 5, 2004
6796965 Syringe with filter, and filter therefor Sep. 28, 2004

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