螺旋要素を備えた血管中の血液の濾過器具および方法
- 专利权人:
- コーディス・コーポレイション
- 发明人:
- ボルカー・ニエルマン
- 申请号：
- JP2005210376
- 公开号：
- JP5116957B2
- 申请日:
- 2005.07.20
- 申请国别(地区):
- JP
- 年份:
- 2013
- 代理人:
- 摘要：
PROBLEM TO BE SOLVED: To provide a filter and a method for filtering blood inside a blood vessel effective for capturing a blood clot and preventing pulmonary embolism.
SOLUTION: The filter 50 for capturing an embolus in a blood vessel in a patients body has at least one helix 55 made of mesh material. The at least one helix has a plurality of turns 65 disposed spirally around an axis in the longitudinal direction. The mesh material has a plurality of pores 53 whose size is at least 120 &mum (&ge120 &mum). The at least one helix also has a plurality of panels, which can move from the crushed state to the expanded state when disposed inside the blood vessel. In one embodiment, the mesh material is made of a self-expanding material, such as a nickel titanium alloy. In another embodiment, the filter has a double helix structure.
COPYRIGHT: (C)2006,JPO&NCIPI
- 来源网站：
- 中国工程科技知识中心
