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Brachytherapy needle with impedance measurement apparatus and methods of use

  • US 6,709,380 B2
  • Filed: 05/31/2001
  • Issued: 03/23/2004
  • Est. Priority Date: 05/31/2001
  • Status: Expired due to Fees
First Claim
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1. A method for depositing radioactive seeds into a patient'"'"'s prostate in the vicinity of the patient'"'"'s bladder, the method comprising:

  • providing a device comprising a needle having proximal and distal ends, and a lumen extending therebetween and adapted to accept a column of radioactive seeds and spacers, and means for detecting whether the distal end of the needle projects into the patient'"'"'s bladder;

    inserting the needle through the patient'"'"'s prostate until the means for detecting indicates that the distal end is disposed in the bladder;

    withdrawing the needle proximally until the means for detecting indicates that the distal end is no longer disposed in the bladder; and

    operating the needle to deposit the column of radioactive seeds and spacers into the patient'"'"'s prostate.

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