发明名称 |
VASO-OCCLUSIVE DEVICE DELIVERY SYSTEM |
摘要 |
A vaso-occlusive device delivery assembly includes a pusher assembly and a vaso-occlusive device detachably coupled to the pusher assembly by an attachment member is frictionally secured within a lumen of the pusher assembly. A heat generating member is disposed in the pusher assembly lumen, along with a pressure generating material, such that, when heat is generated by the heat generative device, the pressure generating material increases a pressure in the pusher assembly lumen, thereby dislodging the attachment member from the pusher assembly and detaching the vaso-occlusive device from the pusher assembly. |
申请公布号 |
US2017007265(A1) |
申请公布日期 |
2017.01.12 |
申请号 |
US201615276174 |
申请日期 |
2016.09.26 |
申请人 |
STRYKER CORPORATION ;STRYKER EUROPEAN HOLDINGS I, LLC |
发明人 |
Guo Lantao;Chen Hancun;Murphy Richard |
分类号 |
A61B17/12 |
主分类号 |
A61B17/12 |
代理机构 |
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代理人 |
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主权项 |
1. A vaso-occlusive device delivery assembly, comprising:
a pusher assembly including a substantially fluid tight pressure chamber in a distal end portion thereof; a thermally activated pressure generating material disposed in the pressure chamber; a heat generating member at least partially disposed in the pressure chamber; and a vaso-occlusive device detachably coupled to the pusher assembly distal of the pressure chamber, wherein the pressure generating material, when heated by the heat generating member, increases a pressure in the pressure chamber, thereby detaching the vaso-occlusive device from the pusher assembly, wherein the pressure generating material is a single substance that changes state into, or otherwise releases at least one of, a liquid or a gas in response to heat generated by the heat generating member. |
地址 |
Kalamazoo MI US |