Device for measuring an absorbed dose of gas by skin and method

Details Device for measuring an absorbed dose of gas by skin and method Device for measuring an absorbed dose of gas by skin and method

1998-06-29

1999-11-16

O'Connor, Cary

Surgery

Diagnostic testing

600345, 604 19, 128897, 128898, A61N 500

Patent

active

059848685

ABSTRACT:
A device is intended to measure an absorbed dose of a hazardous gas by skin of a human body and is composed of an exposure chamber, a gas concentration control system, and one or more gas sensors. A naked part of the human body is held in the exposure chamber containing the hazardous gas of a concentration which is kept in a predetermined range by the gas concentration control system. As the concentration of the hazardous gas drops below the predetermined range, the gas concentration control system replenishes the exposure chamber with an amount of the hazardous gas with the help of a concentration signal transmitted from the sensors, so that the concentration of the hazardous gas is once again kept in the predetermined range. The absorbed dose of the hazardous gas by skin is computed on the basis of the amount of the hazardous gas that is replenished.

REFERENCES:
patent: 5209919 (1993-05-01), Turteltaub et al.
patent: 5366721 (1994-11-01), Turteltaub et al.
patent: 5376355 (1994-12-01), Turteltaub et al.

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