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Method and apparatus to establish target coordinates for lithotripsy

  • US 5,658,239 A
  • Filed: 05/31/1996
  • Issued: 08/19/1997
  • Est. Priority Date: 05/12/1992
  • Status: Expired due to Fees
First Claim
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1. An apparatus for targeting a shock wave in connection with extracorporeal shock wave lithotripsy, comprising in combination:

  • a. sensing means for detecting a reflection of the shock wave from a specific target and producing signals corresponding to the reflection at a plurality of predetermined locations wherein the sensing means comprises a plurality of sensors; and

    b. computing means connected to said sensing means for processing said signals so as to identify a three dimensional coordinate location for said target, said computing means comprising correlation means for maximizing a correlation between signals for combinations of the sensors.

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