Tissue retraction device and delivery system

US11109850B2 · kind B2 · utility

Assignee

• Boston Scientific Scimed, Inc. · US

Inventors

• Danny Shu-Huan Lee · Framingham, US
• Paul Smith · Smithfield, US
• Ryan V. Wales · Northborough, US
• Jialiang Wang · Qiaonanxiang, CN
• Niklas Andersson · Wayland, US
• Gregory Hurley · Windham, US
• Jon Taylor · Groton, US
• John Unger · Wrentham, US
• Irina Pyataeva · Moscow, RU

Key dates

• Filing date: Mar 19, 2018
• Grant date: Sep 7, 2021
• Expiry date: Apr 21, 2039

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B2090/0807
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

Medical devices and methods of using medical devices are disclosed. An example tissue retraction device includes a first engagement member having a first end and a second end, a second engagement member having a first end and a second end, a first elastic member attached to the second end of the first engagement member, and a first alignment member having a first end, a second end and a lumen extending therethrough. Further, the tissue retraction device has a first length, the first alignment member has a second length, the first elastic member extends within the lumen of the first alignment member and the second length of the first alignment member is less than or equal to the first length of the tissue retraction device.