Surgery – Radioactive substance applied to body for therapy – Radioactive substance placed within body
Reexamination Certificate
2005-07-22
2010-06-15
Marmor, II, Charles A (Department: 3735)
Surgery
Radioactive substance applied to body for therapy
Radioactive substance placed within body
Reexamination Certificate
active
07736293
ABSTRACT:
In one embodiment a therapeutic member includes a radioactive source and a material (e.g., a bio-absorbable polymeric material) that encapsulates the radioactive source. An outer surface of the encapsulating material includes a plurality of protrusions to reduce a tendency of the member to migrate and rotate within a patient's body after implantation. In an embodiment, the encapsulating material includes an anchor mechanism that extends from at least one of the longitudinal ends of the radioactive source to reduce a tendency of the member to migrate and rotate within a patient's body after implantation. Embodiments of the present invention are also directed to strands that include similar protrusions and/or anchor mechanisms. Additionally, embodiments of the present invention are directed to spacers that resist migration and rotation. Embodiments are also directed to radiopaque markers that resist migration and rotation. This abstract is not intended to be a complete description of the invention.
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Bouffard Matthew
Johnston Warren
Lamoureux Gary A.
Matons James
Rice Warren
Biocompatibles UK Limited
Burk Catherine E.
Fliesler & Meyer LLP
Marmor II Charles A
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