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Transurethral ablation catheter

  • US 5,304,214 A
  • Filed: 01/21/1992
  • Issued: 04/19/1994
  • Est. Priority Date: 01/21/1992
  • Status: Expired due to Term
First Claim
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1. A transurethral ablation catheter for ablating prostatic tissue about a prostatic urethra positioned between internal and external sphincters, comprising:

  • an elongated member having a distal portion, a proximal portion, and an intermediate portion, said intermediate portion being positioned between said distal and proximal portions and shaped and sized for intimate contact with said prostatic urethra, at least one of said distal and proximal portions including fixation means positionable about at least one of said internal and external sphincters, respectively, for maintaining longitudinally said intermediate portion in said prostatic urethra; and

    a thermally conductive heat-emitting element positioned in said intermediate portion and responsive to energy supplied thereto for producing a predetermined thermally conductive heat distribution in said tissue to ablate said tissue.

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