Radiation shielded catheter for delivering a radioactive source and method of use
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United States of America Patent
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Dec 12, 2000
Grant Date -
N/A
app pub date -
Feb 17, 1998
filing date -
Feb 17, 1998
priority date (Note) -
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Abstract
A radiation delivery catheter which increases the margin of safety and reduces unintended exposure to radiation dosage during delivery thereof to a target area to reduce the likelihood of the development of restenosis. The catheter includes a shaft comprised of radiation shielding material, to shield the patient and staff from unintended radiation exposure. The catheter further includes a treatment section including a reservoir balloon comprised of radiation trans-parent material, which enables predetermined concentrations of radioactivity in the radiation source to permeate therethrough into the target area in a substantially uniform dosage pattern.
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