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发明公开
CN107432762A 提供或维持通过身体通道的流体流的方法和系统 有权

提供或维持通过身体通道的流体流的方法和系统
摘要：
本发明的名称是提供或维持通过身体通道的流体流的方法和系统。一种设备，其包括第一端部、第二端部、中间部分和移植材料。第一端部具有第一末端直径。第二端部具有小于第一末端直径的第二末端直径。第一端部包括第一材料。第二端部包括不同于第一材料的第二材料。中间部分在第一端部和第二端部之间。中间部分在第一端部和第二端部之间逐渐变细。移植材料至少结合至中间部分。
摘要（英）：

The invention provides a method and system for providing or maintaining fluid flow through a body passage. A device includes a first end portion, a second end portion, an intermediate portion, and a graft material. The first end portion has a first end diameter. The second end portion has a second end diameter smaller than the first end diameter. The first end portion comprises a first material. The second end portion comprises a second material different than the first material. The intermediate portion is between the first end portion and the second end portion. The intermediate portion tapers between the first end portion and the second end portion. The graft material is coupled to at least the intermediate portion.

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