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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:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
5160325 Catheter with novel lumens shapes Nov. 3, 1992
5158539 Device and method for preventing aspiration of air in cardiopulmonary bypass patients Oct. 27, 1992
5158547 Drug administration device over full protection valve Oct. 27, 1992
5156600 Bidirectional check valve catheter Oct. 20, 1992
5147332 Multi-valve catheter for improved reliability Sep. 15, 1992
5147318 Valved arterial catheter Sep. 15, 1992
5137522 Pressure-compensated infusion regulator Aug. 11, 1992
5127904 Improved needle-less parenteral fluid injector Jul. 7, 1992
5125897 Gastrostomy device with one-way valve and cuff pin Jun. 30, 1992
5125903 Hemostasis valve Jun. 30, 1992
5114412 Magnetic bladder cycler May. 19, 1992
5112301 Bidirectional check valve catheter May. 12, 1992
5112306 Method and apparatus for valving body fluids May. 12, 1992
5108373 Intravenous metering device Apr. 28, 1992
5106367 Eye surgery apparatus with vacuum surge suppressor Apr. 21, 1992
5100395 Fluid drain for wounds Mar. 31, 1992
5098406 Anti-reflux, low friction, skirted hemostasis valve and introducer Mar. 24, 1992
5098405 Apparatus and method for a side port cathether adapter with a one piece integral combination valve Mar. 24, 1992
5092855 Enclosing sleeve for one-way valve Mar. 3, 1992
5088980 Intra-urethral valve with integral spring Feb. 18, 1992
5085643 Syringe, adaptor, and check valve combination for parenteral infuser Feb. 4, 1992
5073168 Y-adaptor and percutaneous sheath for intravascular catheters Dec. 17, 1991
5070905 Directional flow control Dec. 10, 1991
5069663 Hydrocephalus valve Dec. 3, 1991
5066282 Positive displacement piston driven blood pump Nov. 19, 1991
5062835 Aspirator device for body fluids Nov. 5, 1991
5057080 Medical suction tube and suction control apparatus for endoscope Oct. 15, 1991
5057077 Feeding apparatus Oct. 15, 1991
5042974 Shunt valve Aug. 27, 1991
5041087 Needle-less parenteral fluid injector Aug. 20, 1991
5030210 Catheter valve assembly Jul. 9, 1991
5025829 Parenteral check valve Jun. 25, 1991
5020562 Multiline check valve assembly Jun. 4, 1991
5009391 Valve assembly Apr. 23, 1991
5007900 Percutaneous endoscopic gastrostomy device Apr. 16, 1991
5006118 Liquid transfer assemblies Apr. 9, 1991
4995863 Catheter with slit valve Feb. 26, 1991
4994055 Fluid flow control apparatus Feb. 19, 1991
4976703 Medical catheter for intravascular long-term infusion of medication with polysiloxane hydrogel coating Dec. 11, 1990
4973319 Slit valve medical catheter Nov. 27, 1990
4968294 Urinary control valve and method of using same Nov. 6, 1990
4966197 One-way valve Oct. 30, 1990
4949756 One-way valve Aug. 21, 1990
4950254 Valve means for enteral therapy administration set Aug. 21, 1990
4946448 Check valve for use with intravenous pump Aug. 7, 1990
4944732 Gastrostomy feeding port Jul. 31, 1990
4940457 Irrigation system for use during arthroscopy Jul. 10, 1990
4932938 Urethral indwelling catheter with incontinence control Jun. 12, 1990
4921488 Aspirator device for body fluids May. 1, 1990
4919167 Check valve Apr. 24, 1990

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