Method for monitoring the patency of pneumatic tubing

Details Method for monitoring the patency of pneumatic tubing Method for monitoring the patency of pneumatic tubing

1997-10-28

1999-08-10

Dawson, Glenn K.

Surgery

Instruments

External pressure applicator

606203, 128898, A61B 1700

Patent

active

059351462

ABSTRACT:
A method of monitoring the patency of an inflated tube in a pneumatic medical device. The method includes inflating the tubing of the device, generating a pneumatic pulse at one part of the tubing by varying pressure in the tubing, sensing at another part of the tubing the variation of the pressure, determining the time between the generated and sensed pressure, and producing a human-perceptible signal when the time between the generated and sensed pressure exceeds a reference level.

REFERENCES:
patent: 3892229 (1975-07-01), Taylor et al.
patent: 4013069 (1977-03-01), Hasty
patent: 4326416 (1982-04-01), Fredberg
patent: 4469099 (1984-09-01), McEwen
patent: 4479494 (1984-10-01), McEwen
patent: 4520819 (1985-06-01), Birmingham et al.
patent: 5681339 (1997-10-01), McEwen

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