Remote sensing tonometric catheter apparatus

Details Remote sensing tonometric catheter apparatus Remote sensing tonometric catheter apparatus

1992-06-02

1993-02-16

Cohen, Lee S.

Surgery

Truss

Pad

128691, 128749, A61B 500

Patent

active

051861720

ABSTRACT:
A tonometric device for use in hollow viscus tonometry and remote sensing of patient fluid parameters is disclosed. The device is capable of monitoring certain critical fluid properties of interest, such as oxygen gases and carbon dioxide gases in the wall tissue itself of the patient's organ, rather than monitoring such properties in a lumen of the organ. A walled sampling chamber, which is preferably an inflated balloon member, is provided on an elongated tube, with provisions for positioning the sampling chamber in direct contact with a wall portion of the patient's internal organ.

REFERENCES:
patent: 3480003 (1969-11-01), Crites
patent: 4176659 (1979-12-01), Rolfe
patent: 4265249 (1981-05-01), Schindler et al.
patent: 4273636 (1981-06-01), Shimada et al.
patent: 4338174 (1982-07-01), Tamura
patent: 4381011 (1983-04-01), Somers
patent: 4432366 (1984-02-01), Margules
patent: 4534825 (1985-08-01), Koning et al.
patent: 4727730 (1988-03-01), Boiarski et al.

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