发明授权
- 专利标题: Vascular prosthesis, manufacturing method of the same, and substrate for vascular prothesis
- 专利标题(中): 血管生成,其制造方法和血管基质的基质
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申请号: US508618申请日: 1990-04-13
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公开(公告)号: US5171261A公开(公告)日: 1992-12-15
- 发明人: Yasuhara Noishiki , Teruo Miyata
- 申请人: Yasuhara Noishiki , Teruo Miyata
- 申请人地址: JPX Tokyo
- 专利权人: Koken Co., Ltd.
- 当前专利权人: Koken Co., Ltd.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX1-95238 19890417; JPX1-338543 19891228
- 主分类号: A61F2/06
- IPC分类号: A61F2/06 ; A61L27/50
摘要:
The invention relates to a vascular prosthesis wherein, fragments of biological tissues such as vascular tissues, connective tissues, fat tissues and muscular tissues and/or cells composing vascular walls such as vascular endothelial cells, smooth muscle cells and fibroblast cells are deposited and captured within the wall of a vascular prosthesis substrate; a manufacturing method comprising the steps of immersing a vascular prosthesis substrate into a dispersed solution of fragments of biological tissues such as vascular tissues, connective tissues, fat tissues and muscular tissues and/or cells composing vascular walls such as vascular endothelial cells, smooth muscle cells and fibroblast cells, and depositing and capturing the cells and/or tissue fragments on the inner wall and within the wall of the vascular prosthesis from one side to the other side of the vascular prosthesis substrate wall by providing a pressure differential between the outside and the inside of the vascular prosthesis substrate; and a substrate suitable for manufacturing a vascular prosthesis having a porous membrane having pores capable of trapping tissue fragments, or a laminate structure with such a membrane and another porous membrane having pores not large enough to pass the cells or tissue fragments.
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