发明名称 |
OFF-CENTER TISSUE ANCHORS WITH TENSION MEMBERS |
摘要 |
A tissue anchor includes a shaft, a tissue-coupling element, and a flexible elongate tension member. The tissue-coupling element includes a wire, which is shaped as an open loop having more than one turn when the tissue anchor is unconstrained. The tension member includes a distal portion that is fixed to a site on the open loop, a proximal portion, which has a longitudinal segment that runs alongside at least a portion of the shaft, and a crossing portion, which (i) is disposed between the distal and the proximal portions along the tension member, and (ii) crosses at least a portion of the open loop when the tissue anchor is unconstrained. The tissue anchor is configured to allow relative axial motion between the at least a portion of the shaft and the longitudinal segment of the proximal portion of the tension member when the tissue anchor is unconstrained. |
申请公布号 |
US2016262741(A1) |
申请公布日期 |
2016.09.15 |
申请号 |
US201615165768 |
申请日期 |
2016.05.26 |
申请人 |
4TECH INC. |
发明人 |
GILMORE Michael;DENTI Paolo;LYNN Kevin;TOBIS Idan;DONNELLY Evin William;MURPHY Charlotte;CAMPBELL Thomas |
分类号 |
A61B17/04;A61F2/24 |
主分类号 |
A61B17/04 |
代理机构 |
|
代理人 |
|
主权项 |
1. Apparatus for delivery in a constrained state within a deployment tool, the apparatus comprising a tissue anchor, which comprises:
an anchor shaft; a tissue-coupling element; which (a) extends from a distal end of the anchor shaft, and (b) comprises a wire, which is shaped as an open loop having more than one turn when the tissue anchor is unconstrained by the deployment tool; and a flexible elongate tension member, which includes (a) a distal portion that is fixed to a site on the open loop, (b) a proximal portion, which has a longitudinal segment that runs alongside at least a portion of the anchor shaft, and (c) a crossing portion, which (i) is disposed between the distal and the proximal portions along the flexible elongate tension member, and (ii) crosses at least a portion of the open loop when the tissue anchor is unconstrained by the deployment tool, wherein the tissue anchor is configured to allow relative axial motion between the at least a portion of the anchor shaft and the longitudinal segment of the proximal portion of the flexible elongate tension member when the tissue anchor is unconstrained by the deployment tool. |
地址 |
Newton MA US |