Variable density braid stent

US8506619B2 · kind B2 · utility

Assignees

• Stryker Corporation · US
• Stryker NV Operations Limited · IE

Inventors

• John E. Ortiz · East Palo Alto, US
• Masoud Molaei · Fremont, US
• Frank Musbach · Pleasanton, US
• Brent Gerberding · San Jose, US

Key dates

• Filing date: Jul 14, 2010
• Grant date: Aug 13, 2013
• Expiry date: Feb 23, 2031

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61F2250/0048
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A stent comprises at least one stent member woven to form a substantially tubular body that defines a flow path. The tubular body comprises a first region and a second region. In the first region the at least one stent member defines a plurality of first region openings and in the second region at least one first portion of the at least one member and at least one second portion of the at least one member are engaged together to form at least one primary strand. The at least one primary strand defines a plurality of second region openings. The at least one of the plurality of second region openings is in fluid communication with the flow path. The plurality of second region openings provide the second region with a greater porosity than the first region.