Abstract: The invention relates to an ultrasonic percussion device, of the type including:an ultrasonic wave generator, terminated by an unit (6) transmitting the vibration generated;a wire (8), the near end of which is carried by said unit and the far end of which is set into percussive movement; andlinking means (7) for immobilizing the near end of said wire in said generator unit.According to the invention, said unit (6) is produced from an elastically deformable material and said linking means (7) are formed on said unit in such a way as to form an integral part of the latter, said linking means being capable of occupying a spontaneously close-together position, for which the near end (8A) of said wire (8) is clamped by said unit, and a position deliberately spaced apart by actuation means (14) for which the near end (8A) of said wire can be freed from said unit or engaged in said unit.

Abstract: An ultrasonic percussion device uses an ultrasonic generator attached to one end of a wire by a linking assembly which includes a radially elastically deformable sleeve (7) receiving the end of the wire and provided with a conical flared section (7B); a hole (8) provided in a member (9) integral with the generator and into which the sleeve is able to be introduced, the conical section (7B) of the sleeve (7) coming into contact with a complementary conical wall (8B) provided in the hole, and a clamping element (10) able to cooperate by screwing with the member (9) and to act against the sleeve (7); the device is particularly useful for destroying atheromata in clogged arteries.