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Delivery system and method for interstitial radiation therapy using seed strands with custom end spacing

  • US 7,736,294 B2
  • Filed: 10/28/2005
  • Issued: 06/15/2010
  • Est. Priority Date: 05/13/2003
  • Status: Expired due to Fees
First Claim
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1. A therapeutic kit, comprising:

  • a plurality of treatment strands configured to be implanted into a patient to a same depth;

    wherein each said strand includes a distal end and a proximal end;

    wherein each said strand includes one or more treatment seeds located between the distal and proximal ends of the strand;

    wherein each of at least two said strands includes a custom distal end spacer provided between the distal end of the strand and the treatment seed located closest to the distal end of the strand;

    wherein the custom distal end spacers in the at least two said strands cause the treatment seeds located closest to the distal ends of the strands to be spaced relative to the distal ends of the strands, according to a treatment plan, when the distal ends of the strands are implanted to the same depth using needles inserted to the same depth; and

    wherein the custom distal end spacer of one said strand has a different length than the custom distal end spacer of a second said strand.

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