Device for adsorbing exhaled radioactive gases and process

Details Device for adsorbing exhaled radioactive gases and process Device for adsorbing exhaled radioactive gases and process

1974-11-18

1976-08-24

Howell, Kyle L.

Surgery

Truss

Perineal

55 66, 55 74, 128 208, A61B 508

Patent

active

039760502

ABSTRACT:
Sorption means are provided for sorbing radioactive gases, as in the exhalations of a living subject, especially for nuclear diagnostic test studies, comprising means for adsorbing the radioactive gas onto activated carbon, the carbon being contained in a plurality of independent, series-connected, chambers. The sorption means are especially adapted for the adsorption of radioactive inert gases such as xenon-133 (.sup.133 Xe). There can also be provided indicator means for indicating the flow-through of xenon comprising an indicator which changes color upon contact with xenon, such as dioxygenylhexafluoroantimoniate.

REFERENCES:
patent: 1519932 (1924-12-01), Reich
patent: 2793507 (1957-05-01), Hnilicka
patent: 2835343 (1958-05-01), Wolff et al.
patent: 3517521 (1970-06-01), Emerson
patent: 3720043 (1973-03-01), Kovach
patent: 3769967 (1973-11-01), Jones et al.
patent: 3871841 (1975-03-01), Queiser et al.
patent: 3871842 (1975-03-01), Queiser et al.
patent: 3881463 (1975-05-01), Lemon

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