Leak point wetness sensor for urological investigations

Details Leak point wetness sensor for urological investigations Leak point wetness sensor for urological investigations

2008-01-29

2008-01-29

Brown, Michael A. (Department: 3772)

Surgery

Body protecting or restraining devices for patients or infants

Restrainers and immobilizers

C600S029000

Reexamination Certificate

active

09788274

ABSTRACT:
A leak point wetness sensor for urological investigations. A receptacle receives liquid which leaks past a catheter inserted in the urethra. A temperature sensitive detector sensor is contacted by the leaked liquid and provides a signal output responsive to the temperature of the liquid. A circuit produces a reference output simulative of a temperature below the anticipated temperature of leaked liquid. A comparator produces a signal when the difference between the outputs is sufficient to confirm leakage.

REFERENCES:
patent: 3818468 (1974-06-01), Toth
patent: 5469145 (1995-11-01), Johnson
patent: 5469146 (1995-11-01), Gurler
patent: 5790035 (1998-08-01), Ho
patent: 5862804 (1999-01-01), Ketchum

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