CRIMPING METHODS FOR THIN-WALLED SCAFFOLDS
    1.
    发明申请

    公开(公告)号:US20180228630A1

    公开(公告)日:2018-08-16

    申请号:US15432837

    申请日:2017-02-14

    IPC分类号: A61F2/958

    摘要: A medical device includes a balloon expanded scaffold crimped to a catheter having a balloon. The scaffold has a network of rings formed by struts connected at crowns and links connecting adjacent rings. The scaffold is crimped to the balloon by a process that includes using protective polymer sheaths or sheets during crimping, and adjusting the sheaths or sheets during the crimping to avoid or minimize interference between the polymer material and scaffold struts as the scaffold is reduced in size.

    Uniform expansion of thin-walled scaffolds

    公开(公告)号:US10967556B2

    公开(公告)日:2021-04-06

    申请号:US16005524

    申请日:2018-06-11

    IPC分类号: B29C53/08 A61F2/958 B29L31/00

    摘要: A medical device includes a balloon expanded scaffold (or stent) crimped to a catheter having a balloon. The scaffold is crimped to the balloon by a process that includes using protective polymer sheaths or sheets during crimping, and resetting the sheaths or sheets during the crimping to avoid or minimize interference between the polymer material and scaffold struts as the scaffold is reduced in size. Balloon pressure is adjusted when the polymer material is reset.