Method and apparatus for effecting radioactive therapy in an ani

Details Method and apparatus for effecting radioactive therapy in an ani Method and apparatus for effecting radioactive therapy in an ani

1990-08-09

1992-01-28

Cohen, Lee S.

Surgery

Radioactive substance applied to body for therapy

Radioactive substance placed within body

600 7, 2504971, A61N 500, A61M 3704

Patent

active

050840010

ABSTRACT:
A method and apparatus for effecting radiation therapy by placing at least one guide tube through an orifice in an animal body and disposing the end portion of the guide tube near the site of intended therapy. The other end of the guide tube is connected to a channel in a shielding block. A high dose radiation source assembly is moved from the channel to the end portion and positioned a plurality of times at each of a series of preselected positions lying in the end portion to effect a plurality of pulsed radiations. The effects of low dose radiation can be duplicated by the high dose radiation source, the radiation field can be patterned, and when the repeated pulsed radiations are within repair times of healthy cells, cancer cells are destroyed and healthy cells survive.

REFERENCES:
patent: 4851694 (1989-07-01), Rague et al.
patent: 4881937 (1989-10-01), Hooft et al.
patent: 5030194 (1991-07-01), Hooft

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