Sensor for monitoring respiration

Details Sensor for monitoring respiration Sensor for monitoring respiration

1990-10-25

1993-03-23

Cohen, Lee S.

Surgery

Truss

Pad

128725, A61B 5087

Patent

active

051955296

ABSTRACT:
For monitoring respiration occurring through the respiratory tract or tracts of a patient, a sensor comprises two spaced-apart electrically conductive elements (2,3). Wires (8,9) extend from the elements to a measuring instrument. The transfer of an electrical charge between the elements is effected by means of charge carriers in an intermediate layer between the electrically conductive elements and responsive to moisture in respired air. The transfer provides an indication of respiration to a measuring instrument.

REFERENCES:
patent: 2681571 (1954-06-01), Becker
patent: 3559456 (1971-02-01), Lomker et al.
patent: 3954100 (1976-05-01), Sem-Jacobsen
patent: 4328478 (1982-05-01), Murata et al.
patent: 4496931 (1985-01-01), Watanabe et al.
patent: 4497701 (1985-02-01), Murata et al.
patent: 4520341 (1985-05-01), Miyoshi et al.
patent: 4539996 (1985-09-01), Engel

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