Sedimentation filtration microorganism growth culture system
Patent 4829005 Issued on May 9, 1989. Estimated Expiration Date: 
May 9, 2006. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
May 9, 2006. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2879207 3295686 3448011 3615257 3616253 3828527 3844895 3929583 For isolating pathogenic microorganisms Process and apparatus for heartworm microfilariae detection InventorsApplicationNo. 06/620924 filed on 06/15/1984US Classes:435/288.1, Including a bottle, tube, flask, or jar210/321.84, Planar membrane210/416.1, With pump, gas pressure, or suction source210/515, Selective withdrawal of constituents435/30, Methods of sampling or inoculating or spreading a sample; methods of physically isolating an intact micro-organismD24/224Vessel, specimen holder or reagent material (65)ExaminersPrimary: Warden, Robert J.Assistant: Deck, Randall E. Attorney, Agent or FirmInternational ClassesC12M 1/26 (20060101)B01D 61/18 (20060101) AbstractApparatus for isolating and identifying microorganisms in blood or the like which comprises a tubular collection vessel which is sealed at both ends but includes means at one end for permitting the removal of fluid therein by the application of vacuum when the seal at that end is broken, a multisection filtration unit comprising a first section provided with means for receiving said one end of the collection vessel, means in said section for breaking the seal in said one end of the vessel when it is received by said first section, a second section of said filtration unit nested against the bottom of the first section, a filter membrane positioned between the nested first and second sections of said filtration unit, said filter membrane being in open communication with said one end of the collection vessel which is received by said first section, a third section of said filtration unit nested against the second section on the opposite side of the filter membrane from the nested first and second sections, and means for drawing a vacuum through the bottom of said third section whereby fluid in the collection vessel may be removed therefrom by said vacuum and passed through said filter membrane, organisms in said fluid being collected on said membrane.Other References
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