Piezoelectric shock wave generator

  • US 5,119,801 A
  • Filed: 10/15/1991
  • Issued: 06/09/1992
  • Est. Priority Date: 02/04/1988
  • Status: Expired due to Fees
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First Claim
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1. In a piezoelectric shock wave generator for use in medical equipment and including a plurality of piezoelectric elements being electrically interconnected to operate in parallel and mounted on a common carrier, there being a coupler medium for coupling shock waves as generated by these piezoelectric elements into the body of a living being, wherein the improvement comprises an electrical insulation between the piezoelectric elements being in a fluid state, in that each of said piezoelectric elements is surrounded by the fluid insulation, and in any direction towards any other of the piezoelectric elements, said insulation having a breakthrough strength in excess of about 5 KV/mm, being larger than the breakthrough strength of air.

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