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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
5350362 Selectable seal cannula Sep. 27, 1994
5344410 Device for draining the pleural cavity Sep. 6, 1994
5342326 Capless medical valve Aug. 30, 1994
5342329 Portable disposable device for post-surgical suction Aug. 30, 1994
5336166 Three stage implantable valve Aug. 9, 1994
5336203 Low profile gastrostomy device with dome Aug. 9, 1994
5336869 Method and apparatus for manipulating fluid Aug. 9, 1994
5334170 Dye management system including an administration set with an in-line burette Aug. 2, 1994
5334159 Thoracentesis needle assembly utilizing check valve Aug. 2, 1994
5328464 Closed drug delivery system Jul. 12, 1994
5322070 Barium enema insufflation system Jun. 21, 1994
5322518 Valve device for a catheter Jun. 21, 1994
5309902 Respiratory support system and suction catheter device therefor May. 10, 1994
5305783 Elastomeric sleeve and method for assembling the sleeve on a one-way valve body Apr. 26, 1994
5304155 Valved catheter Apr. 19, 1994
5304147 Injection syringe Apr. 19, 1994
5290263 Bidirectional check valve catheter Mar. 1, 1994
5290308 Endoscopic instrument Mar. 1, 1994
5286258 Multipharmaceutical delivery system Feb. 15, 1994
5284475 Luer valve adapter with expandable end Feb. 8, 1994
5279587 Self-clearing extension set apparatus and methods Jan. 18, 1994
5267979 Pressure responsive valve catheter Dec. 7, 1993
5263943 Valved intravenous needle assembly Nov. 23, 1993
5261885 Valved catheter Nov. 16, 1993
5254092 Fluid flow check valve Oct. 19, 1993
5250034 Pressure responsive valve catheter Oct. 5, 1993
5242432 Needleless adapter Sep. 7, 1993
5240035 Pressure compensated flow control device for IV administration Aug. 31, 1993
5236417 Cholangiography catheter apparatus and method Aug. 17, 1993
5226886 Ambulatory tubing set with anti-siphon valve Jul. 13, 1993
5224938 Valved catheter Jul. 6, 1993
5224929 Irrigation/aspiration cannula and valve assembly Jul. 6, 1993
5215527 Catheter introducer assembly Jun. 1, 1993
5209219 Endoscope adaptor May. 11, 1993
RE34243 Valve assembly May. 4, 1993
5207655 Medico-surgical tube including improved means for administering liquid or gas treatment May. 4, 1993
5205834 Two-way outdwelling slit valving of medical liquid flow through a cannula and methods Apr. 27, 1993
5201722 Two-way outdwelling slit valving of medical liquid flow through a cannula and methods Apr. 13, 1993
5201707 Intra-aortic balloon pump apparatus Apr. 13, 1993
5195986 Integral intravenous fluid delivery device Mar. 23, 1993
5190527 Intravenous metering device Mar. 2, 1993
5190524 Device for bringing together several infusions and/or injections Mar. 2, 1993
5181921 Detachable balloon with two self-sealing valves Jan. 26, 1993
5181913 Catheter with check valve and rolled sheath Jan. 26, 1993
5180364 Valved self-perfusing catheter guide Jan. 19, 1993
5176658 Valve assembly for use in medical devices Jan. 5, 1993
5169393 Two-way outdwelling slit valving of medical liquid flow through a cannula and methods Dec. 8, 1992
5167615 Flow control device having selectable alternative fluid pathways Dec. 1, 1992
5163920 Flow regulator damper element Nov. 17, 1992
5163921 Valved perfusion cardiovascular catheters Nov. 17, 1992

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