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Apparatus for dispersing fluids for dissolution or concretions in a bodily cavity

  • US 5,058,590 A
  • Filed: 05/01/1989
  • Issued: 10/22/1991
  • Est. Priority Date: 04/30/1988
  • Status: Expired due to Fees
First Claim
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1. Apparatus for dissolving concretions within a bodily cavity of a patient to be treated, under the action of a solvent fluid in contact with bodily cavity fluid within said cavity, the apparatus comprising means for introducing a solvent fluid into said bodily cavity for mixture with said bodily cavity fluid, an ultrasonic transducer adapted for coupling to the exterior of the patient'"'"'s body, and being provided with means for emitting ultrasonic waves focussed on at least one of said fluids in said cavity, within a frequency range of from 20 to 40 kHz and having sufficient power to produce cavitation in at least one of said fluids to cause dispersion therebetween.

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