| 发明名称 |
URETERAL STENT |
| 摘要 |
A ureteral stent comprises an internal portion, which comprises a first polymer, and an external portion, which comprises a second polymer. The external portion surrounds the internal portion and has a plurality of radial projections that extend along the length of the ureteral stent. The second polymer has a Shore D hardness of 20-40 Shore D. The first polymer has a Shore D hardness that is at least 10 units greater than the Shore D hardness of the second polymer. |
| 申请公布号 |
US2016220397(A1) |
申请公布日期 |
2016.08.04 |
| 申请号 |
US201615011281 |
申请日期 |
2016.01.29 |
| 申请人 |
FutureMatrix Interventional |
发明人 |
Nichols David L.;Richardson Christopher A. |
| 分类号 |
A61F2/848;A61L31/06;A61F2/00;A61F2/04;A61M27/00 |
主分类号 |
A61F2/848 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A ureteral stent, comprising:
an internal portion, comprising a first polymer, and an external portion surrounding the internal portion and having a plurality of radial projections that extend along the length of the ureteral stent, comprising a second polymer, wherein the second polymer has a Shore D hardness of 20-40 Shore D, and the first polymer has a Shore D hardness that is at least 10 units greater than the Shore D hardness of the second polymer. |
| 地址 |
Athens TX US |
