Planar radioactive seed implanter
First Claim
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1. A radioactive seed applicator for implanting radioactive seed material in a planar array below the skin surface comprising:
- a first stablizing structure;
a plurality of spaced-apart hollow needles extending from said first stablizing structure, said needles having tips arranged in a planar configuration;
a matching array of spaced-apart trochars disposed for movement within said hollow needles whereby radioactive seed material disposed in said hollow needles is forced through said needles and implanted in a planar array at a predetermined depth below the skin surface when said needles are inserted through the skin.
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Abstract
A new device for inserting radioactive seeds in and around tumor volumes is based upon insertion of a planar array of seeds at fixed depth. The device uses a fixed array of hollow needles with a matching array of trochars. The result achieved using this device is the implantation of a planar array of radioactive seeds which does not depend upon the parallel insertion of individual needles.
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Citations
5 Claims
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1. A radioactive seed applicator for implanting radioactive seed material in a planar array below the skin surface comprising:
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a first stablizing structure; a plurality of spaced-apart hollow needles extending from said first stablizing structure, said needles having tips arranged in a planar configuration; a matching array of spaced-apart trochars disposed for movement within said hollow needles whereby radioactive seed material disposed in said hollow needles is forced through said needles and implanted in a planar array at a predetermined depth below the skin surface when said needles are inserted through the skin. - View Dependent Claims (2, 3, 4, 5)
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Specification