Ultrasonic device for cutting and coagulating

US11998229B2 · kind B2 · utility

Assignee

• Cilag GmbH International · CH

Inventors

• Stephen E. Eichmann · Cincinnati, US
• Karen K. Isaacs · Burlington, US
• Kenneth S. Kramer · Trabuco Canyon, US
• Michael R. Lamping · Cincinnati, US
• Ashvani K. Madan · Mason, US
• Matthew C. Miller · Cincinnati, US
• Aaron C. Voegele · Loveland, US
• Eitan T. Wiener · Cincinnati, US
• Joseph E. Young · Loveland, US

Key dates

• Filing date: Dec 4, 2020
• Grant date: Jun 4, 2024
• Expiry date: Sep 9, 2041

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B2017/320095
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

An ultrasonic surgical system is disclosed comprising a surgical instrument and a wrench assembly. The surgical instrument comprises a handle assembly and a body member pivotably coupled to the handle assembly. The handle assembly comprises a first finger grip, an ultrasonic blade, and a waveguide extending proximally from the ultrasonic blade. The body member comprises a second finger grip, a clamp arm movable relative to the ultrasonic blade to capture tissue therebetween, a first body surface defined on a first side of the body member, and a second body surface defined on a second side of the body member. The wrench assembly comprises a wrench and an adapter operably coupled to the wrench. The adapter comprises a first wrench surface configured to engage the first body surface and a second wrench surface configured to engage the second body surface.