Method of monitoring patient respiration and predicting apnea therefrom
Patent 4365636 Issued on December 28, 1982. Estimated Expiration Date: 
June 19, 2001. 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.
June 19, 2001. 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 ReferencesElectromagnetic field responder for respiration monitoring Patent #: 4279257 InventorAssigneeApplicationNo. 06/275343 filed on 06/19/1981US Classes:600/529RespiratoryExaminersPrimary: Howell, Kyle L.Assistant: Hanley, John C. International ClassesA61B 5/11 (20060101)A61B 5/113 (20060101) G06F 19/00 (20060101) A61M 16/00 (20060101) AbstractA method for detecting apnea by sampling a voltage waveform representative of respiration at regular intervals and calculating the instantaneous voltage differences at alternate sample points, and comparing the magnitude of each difference voltage so calculated against a "threshold" value determined to be the minimum value consistent with normal respiration activity. | |
