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Browse by Category: Main > Health & Medicine
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
4777964 System for obtaining blood samples and submitting for testing of aids Oct. 18, 1988
4769007 Automatic shutting-off sealing and alarming device for dripping injection use Sep. 6, 1988
4769005 Selective catheter guide Sep. 6, 1988
4769012 Gravity infusion and transfusion flow regulating device Sep. 6, 1988
4765588 Check valve for use with a syringe Aug. 23, 1988
4759752 Catheter Jul. 26, 1988
4759751 Catheter assembly with air purging feature Jul. 26, 1988
4752287 Syringe check valve Jun. 21, 1988
4739770 Flush device Apr. 26, 1988
4737152 Catheter assembly Apr. 12, 1988
4735607 Nasogastric tube antireflux valve Apr. 5, 1988
4731061 Apparatus and method for reducing risk of contamination and delivering to a patient pharmaceutically-acceptable material Mar. 15, 1988
4723550 Leakproof hemostasis valve with single valve member Feb. 9, 1988
4715360 Endoscope forceps stopcock Dec. 29, 1987
4714461 Catheter assembly with air purging feature Dec. 22, 1987
4705501 Bi-directional, anti-reflux vascular access system Nov. 10, 1987
4701159 Multilumen catheter set Oct. 20, 1987
4690375 Self closing squeeze valve Sep. 1, 1987
4687479 Blood storage device Aug. 18, 1987
4674496 Double-lumen tube adaptor Jun. 23, 1987
4673393 Medical instrument Jun. 16, 1987
4669463 Endotracheal tube injection site addition Jun. 2, 1987
4666427 Fluid and particle absorbing body for apertures in injection instruments May. 19, 1987
4664652 Wound evacuator May. 12, 1987
4661096 Anti-air embolism and antiblood loss device for CVP catheter Apr. 28, 1987
4661110 Multiple passage connector fitting for a medical tube Apr. 28, 1987
4655762 Ambulatory dialysis system and connector Apr. 7, 1987
4655752 Surgical cannula Apr. 7, 1987
4654031 Flash chamber Mar. 31, 1987
4653477 Endoscope forceps stopcock Mar. 31, 1987
4643712 Aortic cannula Feb. 17, 1987
4643723 Device for administering a liquid in a number of doses Feb. 17, 1987
4639247 Percutaneous access device Jan. 27, 1987
4626245 Hemostatis valve comprising an elastomeric partition having opposed intersecting slits Dec. 2, 1986
4624664 Antibacterial closure system Nov. 25, 1986
4611785 Tube closure device Sep. 16, 1986
4610665 Medical instrument Sep. 9, 1986
4601701 Multi-purpose multi-lumen catheter Jul. 22, 1986
4597758 Sealing closure for a Luer fitting in open communication with a pressurized liquid supply Jul. 1, 1986
4592092 Medical solution container and port construction therefor May. 27, 1986
4588395 Catheter and method May. 13, 1986
4583979 Infusion devices Apr. 22, 1986
4581020 Medication delivery device and system for percutaneous administration of medication Apr. 8, 1986
4581013 Doser for orally administering medicine Apr. 8, 1986
4580573 Catheter introducer Apr. 8, 1986
4576595 Method and a closure cap for sealing a capillary tube Mar. 18, 1986
4566480 Medical stopcock valve assembly Jan. 28, 1986
4560378 Medical accessory Dec. 24, 1985
4551130 Surgical drainage and irrigation apparatus for post operative patient care Nov. 5, 1985
4551146 Connector for ambulatory dialysis system Nov. 5, 1985

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