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Self-expanding medical device for centering radioactive treatment sources in body vessels

  • US 6,267,775 B1
  • Filed: 03/06/2000
  • Issued: 07/31/2001
  • Est. Priority Date: 03/21/1997
  • Status: Expired due to Term
First Claim
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1. A centering catheter for centering a radiation source in a vascular lumen, comprising:

  • an elongate shaft having a proximal end and a distal end; and

    an expandable braid support structure connected to the distal end of the elongate shaft for centering the radioactive source within the vascular lumen, the braid structure defining a plurality of constriction regions upon expansion, the braid comprising a plurality of interwoven radio-transparent fibers.

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