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Method and apparatus for the delivery of brachytherapy

  • US 7,041,047 B2
  • Filed: 10/04/2002
  • Issued: 05/09/2006
  • Est. Priority Date: 10/04/2002
  • Status: Expired due to Fees
First Claim
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1. A brachytherapy device for release of a radiation source within a body tissue site, comprising:

  • an implantable radiation source comprising a radioactive material, said radiation source adapted for implantation into a body tissue site and for delivery of a dosage of radiation to said body tissue site; and

    a multi-cannula delivery system for implantation of said radiation source into said body tissue site, comprising an outer cannula and an inner cannula adapted to fit within the outer cannula wherein said outer cannula and said inner cannula comprise longitudinal openings such that rotation of said inner cannula in relation to said outer cannula causes said longitudinal openings to align and said radiation source is releasable from said multi-cannula delivery system upon alignment of said longitudinal openings, wherein said radiation source comprises a coil.

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