US 12,599,396 B2 · Ultrasonic treatment instrument

Abstract

An ultrasonic treatment instrument includes: a vibration transmitter main body having a proximal end to which a vibration generation source is connected; a first support in which a central axis of an outer peripheral surface of the first support is shifted from a central axis of an inner peripheral surface of the first support when an external force is not applied; a second support in which a central axis of an outer peripheral surface of second support coincides with a central axis of an inner peripheral surface of second support when the external force is not applied; and a tubular portion into which the vibration transmitter is inserted and which has an inner peripheral surface on which the first support and the second support abut.

Claims17

Dependent claims

An ultrasonic treatment instrument comprising:

a vibration rod configured to transmit ultrasonic vibration from a proximal end of vibration rod toward a distal end of the vibration rod;
a tube into which the vibration rod is inserted;
a first support having a first through hole in a longitudinal direction of the vibration rod, an outer surface of the first support abutting an inner surface of the tube;
and
a second support having a second through hole in the longitudinal direction of the vibration rod, an outer surface of the second support abutting the inner surface of the tube wherein:
the vibration rod is inserted into the first support and the second support;
and
the first through hole has a center of the first through hole, the second through hole has a center of the second through hole, and the center of the first through hole is offset relative to the center of the second through hole.

5 more elements

Dependencies are inferred from the claim text.

Ultrasonic treatment instrument

Life of this patent

Ultrasonic treatment instrument

Life of this patent

Abstract

Claims17