Apparatus and method for analysis of expired breath
Patent 5042501 Issued on August 27, 1991. Estimated Expiration Date: 
May 1, 2010. 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 1, 2010. 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 ReferencesMulti-phase interfacing system and method Novel endotracheal tube and mass spectrometer Patent #: 4850371 InventorsAssigneeApplicationNo. 518010 filed on 05/01/1990US Classes:600/532Qualitative or quantitative analysis of breath componentExaminersPrimary: Kamm, William E.Assistant: Akers, Scott R. Attorney, Agent or FirmForeign Patent References
International ClassA61B 005/097AbstractApparatus and method for providing breath for introduction to a measuring device such as a mass spectrometer. The apparatus includes a mouthpiece for interfacing a subject with the apparatus; a tube for carrying exhaled breath from the subject to the inlet of a mixing chamber; a mixing chamber having an inlet, sample outlet and exit tube, that provides a residence time for the exhaled breath sufficient to mix the breath and provide an adequate sample to the measuring device; and heating apparatus for maintaining the apparatus above a temperature where condensation of vapor occurs. | |
