Surgical stapler buttress assembly with adhesion to wet end effector

US11234699B2 · kind B2 · utility

Assignee

• Cilag GmbH International · CH

Inventors

• Frederick E. Shelton, IV · Hillsboro, US
• Michael J. Vendely · Lebanon, US
• Prudence A. Turner · Independence, US
• Jackie Donners · Pennington, US
• Mark Timmer · Jersey City, US
• Rao S. Bezwada · Fryeburg, US
• Aidan Craigwood · Cambridge, GB
• Caroline Hagerman · Cambridge, GB
• Ashley Easter · Cambridge, GB
• Kathrin Holtzmann · Cambridge, GB

Key dates

• Filing date: Dec 26, 2019
• Grant date: Feb 1, 2022
• Expiry date: Jul 16, 2040

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B29L2031/7546
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A buttress assembly is configured to temporarily adhere to a wet surgical stapler end effector. The buttress assembly includes a buttress body and a humidity tolerant adhesive material. The humidity tolerant adhesive material is applied to at least one side of the buttress body. The humidity tolerant adhesive material is configured to hold the buttress body to an underside of an anvil or a deck of a staple cartridge for at least five minutes in an environment of 100% relative humidity at approximately 37° C.