Readily absorbable copolymer compositions for high strength sutures having enhanced strength retention post-implantation

US11058792B2 · kind B2 · utility

Assignee

• Ethicon, Inc. · US

Inventors

• Dennis D. Jamiolkowski · Long Valley, US
• Christopher DeFelice · Springfield, US
• Sasa Andjelic · Nanuet, US
• Brian M. Kelly · Ringoes, US
• Marc Brian Wisnudel · Clifton Park, US
• Daniel Steiger · San Francisco, US
• Gaoyuan Gavin Chen · Fryeburg, US

Key dates

• Filing date: Jun 28, 2018
• Grant date: Jul 13, 2021
• Expiry date: Jun 28, 2038

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G63/08
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

Novel surgical sutures and novel medical devices made from novel semi-crystalline, glycolide-rich A-B-A triblock copolymers of glycolide and lactide, wherein said B-segment is a fully amorphous random copolymer of glycolide and lactide, for long term medical applications are disclosed. The novel polymer compositions are useful for long term absorbable surgical sutures, meshes and other medical devices, especially for patients with compromised healing. The novel sutures have improved properties and improved breaking strength retention, while still substantially absorbing within about a 120-day period post-implantation.