Other

Henry Ford Hospital

Bruce S Horowitz

A delivery system for interstitial radiation therapy comprising a substantially non-deflecting elongated member of material which is absorbable in living tissue and a plurality of radioactive seeds dispersed in a predetermined array within the member. In one form, the member comprises an elongated member having the seeds longitudinally spaced therein and forming a needle that can be inserted in the tumor to be treated.

Delivery system for interstitial radiation therapy including

A delivery system for intracavitational brachytherapy comprising a body of material which is absorbable in animal tissue and a plurality of radioactive seeds within the body and encapsulated in the body. In one form, the body comprises a hollow exterior wall with a separate central chamber such that the hollow exterior wall will accommodate growth of body tissue such as brain tissue. In another form, the body comprises a solid hollow body having the seeds held in the center of the body that can be inserted in the cavity to be treated. In another form, a flat sheet is attached tangentially to the hollow exterior wall to facilitate placement over the brain.

Intracavitational brachytherapy

A delivery system for brachytherapy comprising a conformable sheet of material which is absorbable in living tissue and a plurality of radioactive seeds in a predetermined array within the sheet. In one form, the sheet is a continuous flexible film in which the seeds are positioned in a predetermined array and which film can be sutured or stapled in place on the surface of a tumor area.

Conformable sheet material for use in brachytherapy

A delivery system for temporary radiation therapy comprising a sheet of material which is absorbable within the human body and having a plurality of parallel passages therein. The sheet is sutured to an area of the body which is to be treated and a catheter is inserted in each passage and extends to the exterior of the body. A tube carrying a plurality of radioactive seeds dispersed therein is inserted in each catheter. After a period of treatment, the tubes and catheters are removed and the carrier remains in the body.

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Farmington Hills, MI, United States of America

Bruce S Horowitz