公开(公告)号：US11548974B2

公开(公告)日：2023-01-10

申请号：US17112344

申请日：2020-12-04

Applicant: Medtronic, Inc.

Inventor： Kimberly A. Chaffin ,  Xiangji Chen ,  Matthew Jolly ,  SuPing Lyu ,  Peter L. Thor ,  Darrel F. Untereker ,  Zhaoxu Wang

IPC: C08G18/62 ,  C08G18/76 ,  C08G18/32 ,  A61N1/05 ,  C08G18/10 ,  A61L31/16 ,  A61L31/06 ,  C08G18/65 ,  A61B5/145 ,  A61B5/00 ,  A61N1/36 ,  A61N1/362

Abstract: A modified polyisobutylene-based polymer, method of making, and a medical device that includes such polymer, wherein the modified polyisobutylene-based polymer includes urethane, urea, or urethane-urea groups, hard segments, and soft segments, wherein the soft segments comprise phenoxy-containing polyisobutylene residues, and the hard segments include diisocyanate residues and optionally chain extender residues.

公开(公告)号：US20210115182A1

公开(公告)日：2021-04-22

申请号：US17112344

申请日：2020-12-04

Applicant: Medtronic, Inc.

Inventor： Kimberly A. Chaffin ,  Xiangji Chen ,  Matthew Jolly ,  SuPing Lyu ,  Peter L. Thor ,  Darrel F. Untereker ,  Zhaoxu Wang

IPC: C08G18/62 ,  A61B5/00 ,  A61L31/06 ,  A61L31/16 ,  A61N1/05 ,  C08G18/10 ,  C08G18/32 ,  C08G18/65 ,  C08G18/76 ,  A61B5/145

Abstract: A modified polyisobutylene-based polymer, method of making, and a medical device that includes such polymer, wherein the modified polyisobutylene-based polymer includes urethane, urea, or urethane-urea groups, hard segments, and soft segments, wherein the soft segments comprise phenoxy-containing polyisobutylene residues, and the hard segments include diisocyanate residues and optionally chain extender residues.

公开(公告)号：US10882945B2

公开(公告)日：2021-01-05

申请号：US16359079

申请日：2019-03-20

Applicant: Medtronic, Inc.

Inventor： Kimberly A. Chaffin ,  Xiangji Chen ,  Matthew Jolly ,  SuPing Lyu ,  Peter L. Thor ,  Darrel F. Untereker ,  Zhaoxu Wang

IPC: C08G18/62 ,  C08G18/76 ,  C08G18/32 ,  A61N1/05 ,  C08G18/10 ,  A61L31/16 ,  A61L31/06 ,  C08G18/65 ,  A61B5/145 ,  A61B5/00 ,  A61N1/36 ,  A61N1/362

Abstract: A modified polyisobutylene-based polymer, method of making, and a medical device that includes such polymer, wherein the modified polyisobutylene-based polymer includes urethane, urea, or urethane-urea groups, hard segments, and soft segments, wherein the soft segments comprise phenoxy-containing polyisobutylene residues, and the hard segments include diisocyanate residues and optionally chain extender residues.