Patents Assigned to Institut National de Recherche Meicale (Establissement Public) - Justia Patents Search

Patents Assigned to Institut National de Recherche Meicale (Establissement Public)

Use of at least one composite piezoelectric transducer in the manufacture of an ultrasonic therapy apparatus for applying therapy, in a body zone, in particular to concretions, to tissue, or to bones, of a living being and method of ultrasonic therapy

Patent number: 5316000

Abstract: The invention relates to a composite piezoelectric transducer for making an acoustic or an ultrasonic therapeutic apparatus. The transducer may be a single large-size transducer or it may be a multi-transducer device and it advantageously emits ultrasonic waves that are focused on a focal point.

Type: Grant

Filed: January 21, 1992

Date of Patent: May 31, 1994

Assignees: Technomed International (Societe Anonyme), Institut National de Recherche Meicale (Establissement Public)

Inventors: Jean-Yves Chapelon, Dominique Cathignol, Emmanuel Blanc