Patent · US Active

Prosthetic heart valves having fiber reinforced leaflets

US11304798B2 · kind B2 · utility

3Cited by

51References

17Claims

0Family size

Assignee

Boston Scientific Scimed, Inc. · US

Inventors

David R. Wulfman · Minneapolis, US
Thomas A. Wrobel · Allenstown, US
Crystal Marie Anderson-Cunanan · San Jose, US
Joseph Thomas Delaney, JR. · Minneapolis, US
Patrick Willoughby · Shoreview, US
Mark W. Boden · Harrisville, US
Peter G. Edelman · Mukilteo, US
Michael Eppihimer · Franklin, US

Key dates

Filing date	May 15, 2019
Grant date	Apr 19, 2022
Priority date	—
Expiry date	May 19, 2040

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61L2430/20
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A prosthetic heart valve leaflet includes a plurality of electrospun fibers at least partially embedded in a polymer matrix. The plurality of fibers includes a first polyisobutylene urethane copolymer having a first predetermined weight average percentage of hard segment portions and the polymer matrix includes a second polyisobutylene urethane copolymer having a second predetermined weight average percentage of the hard segment portions, wherein the first predetermined weight average percentage of the hard segment portions is greater than the second predetermined weight average percentage of the hard segment portions.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.