Simple examination method of infection with Helicobacter pylori and device therefor
Patent 5719052 Issued on February 17, 1998. Estimated Expiration Date: 
January 11, 2016. 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.
January 11, 2016. 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.InventorsAssigneeApplicationNo. 584337 filed on 01/11/1996US Classes:435/287.1, Including measuring or testing422/58, In holder or container having special form422/85, Based on color change422/86, Including means reacting gas with color indicator435/287.7, Including bibulous or absorbent layer435/807, GAS DETECTION APPARATUS600/543, Breath collection600/562Sampling nonliquid body material (e.g., bone, muscle tissue, epithelial cells, etc.)ExaminersPrimary: Redding, David A.Attorney, Agent or FirmInternational ClassesC12M 003/00G01N 021/00 A61B 005/08 Foreign Application Priority Data1994-04-27 JPAbstractThere are described a simple examination method of infection with Helicobacter pylori possibly presenting in a gastric mucosa, and a device therefor. The examination is conducted by collecting gas in gastric cavity, and measuring mainly ammonia and additionally organic amines which are generated due to activities of the bacilli. The measurement is carried out by leading the gas in gastric cavity into oral cavity by vomiting-reflex, and sucking the gas by a metering suction pump through a gas detection tube to read-out a length of color-changed area in the gas detection tube.Other References
Field of SearchIn holder or container having special formMeans for analyzing gas sample Breath tester Based on color change Including means reacting gas with color indicator Amine and quaternary ammonium Tertiary amine Ammonia Including measuring or testing Including bibulous or absorbent layer Including a coated reagent or sample layer GAS DETECTION APPARATUS |
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