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Class Information
Number: 604/405
Name: Surgery > Container for blood or body treating material, or means used therewith (e.g., needle for piercing container closure, etc.) > Filter for purifying or washing air entering container
Description: Subject matter including a solid filter or liquid trap for removing impurities in air entering a receptacle by entrapment in either a filter or a liquid.


Patents under this class:
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Patent Number Title Of Patent Date Issued
7572377 Extracorporeal blood filter system Aug. 11, 2009
7547300 Vial adaptor for regulating pressure Jun. 16, 2009
7516765 Air vent foil cutter Apr. 14, 2009
7431712 Cap of tube for supplying liquid Oct. 7, 2008
7322969 Liquid-medicine injection port device, and liquid-medicine container provided with the same Jan. 29, 2008
RE39449 Apparatus for cryopreservation and recovery of red blood cells Dec. 26, 2006
6948522 Reconstitution device and method of use Sep. 27, 2005
6780309 Tapered hydrophobic filter for suction canisters Aug. 24, 2004
6755802 Whole blood sampling device Jun. 29, 2004
6752790 Dosage vessel for use with an indwelling feeding tube Jun. 22, 2004
6440372 Apparatus for cryopreservation and recovery of red blood cells Aug. 27, 2002
6299842 Biological sampling and storage container utilizing a desiccant Oct. 9, 2001
6299608 Transfer assembly for providing a sterility seal in a medicinal storage bottle Oct. 9, 2001
6099512 Limited flow rate drip chamber for intravenous fluid delivery system Aug. 8, 2000
5965086 Method for making sterile connections between fluid conduit tubes Oct. 12, 1999
5925025 Filtration valve cap with reflux clearing feature and related method of use thereof Jul. 20, 1999
5897548 Method for reducing foam in a blood substance and antifoaming agents Apr. 27, 1999
5782383 Dispensing closure for sealed enteral fluid containers Jul. 21, 1998
5776109 Drip chamber for intravenous fluid delivery system Jul. 7, 1998
5451374 Medicine vessel stopper Sep. 19, 1995
5420962 Convection blood warming system with disposable flattened tube envelope having vent incorporating a hydrophobic filter May. 30, 1995
5409477 Solution administration apparatus with orifice flow control device Apr. 25, 1995
5399156 Quick-changeover blood handling apparatus Mar. 21, 1995
5328463 Contrast media and fluid introduction system Jul. 12, 1994
5254080 Quick-changeover apparatus for handling medical fluid Oct. 19, 1993
5252222 Filter for parenteral systems and method of using thereof Oct. 12, 1993
5211913 Medical instrument May. 18, 1993
5188628 Closure device for enteral fluid containers Feb. 23, 1993
5160333 Method for mixing blood with anticoagulant Nov. 3, 1992
5160332 Blood reservoir Nov. 3, 1992
5149318 Quick-changeover blood handling apparatus Sep. 22, 1992
5132026 Blood plasma collection system Jul. 21, 1992
5120302 Blood container for medical apparatus Jun. 9, 1992
5117875 Method and device for manipulating and transferring products between confined volumes Jun. 2, 1992
5102406 Device and method for avoiding contamination of multi-dose medicament vials Apr. 7, 1992
5098407 Medical piercing cannula with drip chamber Mar. 24, 1992
5041106 Needle device for infusion Aug. 20, 1991
4997429 Enteral bottle cap with vent valve Mar. 5, 1991
4997430 Method of and apparatus for administering medicament to a patient Mar. 5, 1991
4981464 Plug device for a transfusible fluid container Jan. 1, 1991
4957492 Apparatus for collecting and handling tissue during uterine evacuation procedure Sep. 18, 1990
4872872 Medicament container/dispenser assembly Oct. 10, 1989
4871359 Adapter for drop unit Oct. 3, 1989
4856567 Loader-mixer device for endermic injectors Aug. 15, 1989
4857068 Universal spike for use with rigid and collapsible parenteral fluid dispensing container Aug. 15, 1989
4834149 Method of reconstituting a hazardous material in a vial, relieving pressure therein, and refilling a dosage syringe therefrom May. 30, 1989
4834152 Storage receptacle sealing and transfer apparatus May. 30, 1989
4787898 Vented needle with sideport Nov. 29, 1988
4772273 Variable-volume vented container Sep. 20, 1988
4743243 Needle with vent filter assembly May. 10, 1988

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