Shape memory bioresorbable polymer peripheral scaffolds

US8968387B2 · kind B2 · utility

Assignee

• Abbott Cardiovascular Systems, Inc. · US

Inventors

• John Stankus · Campbell, US
• Hugh Qinghong Zhao · Pleasanton, US
• Mikael Trollsas · San Jose, US
• Syed Faiyaz Ahmed Hossainy · Fremont, US
• Michael H. Ngo · San Jose, US
• Yunbing Wang · Sunnyvale, US
• Benny Serna · Gilroy, US

Key dates

• Filing date: Jul 23, 2012
• Grant date: Mar 3, 2015
• Expiry date: Jan 2, 2033

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61L2400/16
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

Bioabsorbable scaffolds having high crush recoverability, high fracture resistance, and reduced or no recoil due to self expanding properties at physiological conditions are disclosed. The scaffolds are made from a random copolymer of PLLA and a rubbery polymer such as polycaprolactone.