Radioactive medical devices
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
May 9, 2000
Grant Date -
N/A
app pub date -
Mar 26, 1999
filing date -
Mar 26, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An implantable medical device according to the present invention comprises a body, such as a stent or a wire, having a radioisotope or non-radioactive precursor isotope associated with the body. The isotope preferably is disposed on the body using an efficient deposition method, such as an effusion cell. The method reduces the waste of costly isotopes and reduces the buildup of hazardous material in the apparatus. A metal layer may be deposited simultaneously with or subsequent to deposition of the isotope to encapsulate the radioactive isotope.
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