Coupling features for ultrasonic surgical instrument

US9539020B2 · kind B2 · utility

Assignee

• Ethicon Endo-Surgery, Inc. · US

Inventors

• Sean P. Conlon · Loveland, US
• David J. Cagle · Cincinnati, US
• David A. Monroe · Milford, US
• John A. Hibner · Maineville, US
• Cole Constantineau · Cambridge, US
• Saeed Sokhanvar · Medfield, US
• Michel Bruehwiler · Newton, US
• Daniel J. Yasevac · Somerville, US
• Mohammadreza Ramezanifard · San Diego, US
• Judy L. Walish · Dedham, US

Key dates

• Filing date: Dec 27, 2013
• Grant date: Jan 10, 2017
• Expiry date: Jul 10, 2034

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B2090/031
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A surgical apparatus comprises a body, an ultrasonic transducer, a shaft, and an end effector. The ultrasonic transducer is operable to convert electrical power into ultrasonic vibrations. The body comprises a pivotal trigger. The shaft couples the end effector and the body together. The end effector comprises a clamp arm and an ultrasonic blade in acoustic communication with the ultrasonic transducer. The ultrasonic blade is operable to deliver ultrasonic vibrations to tissue. Pivotal movement of the trigger causes movement of the clamp arm. The shaft is operable to be selectively coupled and decoupled from the ultrasonic transducer. The apparatus comprises electro-mechanical means for coupling and decoupling the shaft from the ultrasonic transducer, and may further comprise means for preventing movement of the shaft as it is coupled to the ultrasonic transducer.