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Medical irradiation assembly and method

  • US 6,368,266 B1
  • Filed: 11/12/1999
  • Issued: 04/09/2002
  • Est. Priority Date: 11/12/1999
  • Status: Expired due to Fees
First Claim
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1. A system for delivering a radioactive dose to a body lumen, said system comprising:

  • a catheter comprising a catheter body, having a proximal end and a distal end, and an inflatable balloon at the distal end of the catheter body;

    a manipulator comprising first and second elongate members having respective first and second distal ends; and

    an expansible radiation source configured to be expansible within the inflatable balloon and to be axially translated along and in contact with an inner surface of the inflatable balloon, the expansible radiation source comprising first and second elongate radioactive elements each having first and second proximal ends, the first proximal ends of the first and second radioactive elements extending from the first distal end of the first elongate member, the second proximal ends of the first and second radioactive elements extending from the second distal end of the second elongate member, the radioactive elements tending to expand from a radially contracted state to generally U-shaped elements in a radially expanded state.

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