Patent · US Expired

Systems and methods for processing physiological signals

US4582068A · kind A · utility

94Cited by
5References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 3, 1984
Grant dateApr 15, 1986
Priority date
Expiry dateAug 3, 2004

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B5/024
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

Systems and methods are disclosd for detecting the recurrence of physiological functions. The disclosed systems and methods are especially adapted for detecting the recurrence of a patient's respiration from a signal representative of changes in the patient's thoracic volume, despite the presence of cardiovascular artifact in the signal. A cardiovascular artifact filter suppresses the artifacts in response to a signal, generated by a cardiotachometer, which varies as and is proportional to the fundamental frequency of each artifact.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.