Delivery system and method for interstitial radiation...

Details Delivery system and method for interstitial radiation... Delivery system and method for interstitial radiation...

2005-11-15

2010-06-15

Gilbert, Samuel G (Department: 3735)

Surgery

Radioactive substance applied to body for therapy

Radioactive substance placed within body

Reexamination Certificate

active

07736295

ABSTRACT:
A delivery system and method for interstitial radiation therapy comprising a strand made of material, which is bio-absorbable in living tissue and a plurality of radioactive seeds dispersed in a predetermined array within the strand. The strands can have custom end spacings, which allow the optimal placing of seeds within the treatment tissue by implanting a plurality of strands to the same depth. A plurality of these strands can be implanted at the same time by the use of a guiding device. In certain embodiments, a custom end spacing within a needle is not attached to the strand in the needle. In certain embodiments, the custom end spacing, seeds and spacers within a needle are loose, i.e., not part of a strand.

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