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ULTRASONIC CATHETER WITH ROTATING TRANSDUCERS

  • US 3,779,234 A
  • Filed: 06/30/1971
  • Issued: 12/18/1973
  • Est. Priority Date: 06/30/1971
  • Status: Expired due to Term
First Claim
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1. A clincal instrument for noninvasive ultrasonic examination of the dynamic aspects of organ activity on a real time basis comprising:

  • a catheter for insertion into a body opening;

    driving means for rotating said catheter through 360*;

    a plurality of ultrasonic transducers mounted on said catheter and rotated at speed sufficient to produce a data acquisition rate which comprises normal movie speed;

    ultrasonic pulsing means connected to said plurality of transducers to sequentially excite individual ones of said transducers to scan a sector;

    receiving means sequentially connected to said plurality of transducers to receive ultrasonic echoes from individual ones of said transducers; and

    a presentation means connected to said receiving means for displaying two dimensional traces of organ activity from said echoes at a data acquisition rate which comprises normal movie speed.

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