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Endoscopic instrument with cutting tool

  • US 6,245,011 B1
  • Filed: 07/03/1999
  • Issued: 06/12/2001
  • Est. Priority Date: 11/04/1997
  • Status: Expired due to Fees
First Claim
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1. An endoscopic instrument, havinga shaft for introduction into a duct-like body passage, said shaft having a periphery, an endoscopic optical system extending through said shaft, a cutting tool arranged in said shaft, said cutting tool moveable between a retracted position where said cutting tool is completely recessed inside said shaft and an extended position where said cutting tool extends out of said shaft beyond said periphery of said shaft, and wherein in said extended position, said cutting tool is arranged for introducing an incision in said body passage in a circumferential direction, a displacement mechanism for moving said cutting tool between said retracted position and said extended position;

  • and said cutting tool is a blade whose cutting edge is oriented in said circumferential direction of said periphery of said shaft.

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