×

Lithotripter having an ultrasound locating system integrated therewith

  • US 4,865,041 A
  • Filed: 02/01/1988
  • Issued: 09/12/1989
  • Est. Priority Date: 02/04/1987
  • Status: Expired due to Fees
First Claim
Patent Images

1. A lithotripter for disintegrating a calculus in the body of a patient comprising:

  • a shock wave tube;

    means attached at one of said shock wave tube for generating shock wave pulses;

    a flexible membrane closing an opposite end of said shock wave tube and defining a volume in combination with said shock wave tube and said means for generating shock wave pulses;

    a shock-wave conducting medium filling said volume;

    means in said volume for focussing said shock wave pulses at a point coincident with said calculus, said means for focussing having a central axis;

    an ultrasound locating means for identifying theposition of said calculus in said body, said ultrasound locating means including a pivotable means disposed in said lithotripter for directing ultrasound locating signals to, and receivingultrasound echo signals from, said calculus; and

    means for mechanically pivoting said pivotable means around an axis perpendicular to said central axis.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×