住友電気工業株式会社;仲山貴金属鍍金株式会社;SUMITOMO ELECTRIC INDUSTRIES, LTD.;NAKAYAMA KIKINZOKU MEKKI CO., LTD.
发明人:
OKADA Keiji,岡田圭司,NAKAYAMA Masahiro,仲山昌宏
申请号：
JPJP2019/047957
公开号：
WO2020/121980A1
申请日:
2019.12.06
申请国别(地区):
JP
年份:
2020
代理人:
摘要：
This stent is to be disposed within a blood vessel and is provided with a tubular body comprising a mesh member. The mesh member comprises linear bodies made of a metal. In a cross section of a linear body which forms a portion crossing the axial direction of the tubular body from among the linear bodies, the circumferential edge thereof includes a first intersection and a second intersection which cross a segment corresponding to the maximum width of the linear body, and a third intersection which crosses a segment corresponding to the maximum thickness of the linear body. The first intersection is located on the upstream side of the blood flow within the blood vessel, the second intersection is located on the downstream side of the blood flow within the blood vessel, and the third intersection is located on the inner peripheral side of the tubular body. The first angle formed between the segment connecting the first intersection and the third intersection and the segment corresponding to the maximum width is acute. The second angle formed between the segment connecting the second intersection and the third intersection and the segment corresponding to the maximum width is acute. The first angle is larger than the second angle.L'invention concerne un stent qui doit être disposé à l'intérieur d'un vaisseau sanguin et qui est pourvu d'un corps tubulaire comprenant un élément de maillage. L'élément de maillage comprend des corps linéaires constitués d'un métal. Dans une section transversale d'un corps linéaire qui forme une partie croisant la direction axiale du corps tubulaire parmi les corps linéaires, le bord circonférentiel comprend une première intersection et une deuxième intersection qui croisent un segment correspondant à la largeur maximale du corps linéaire, et une troisième intersection qui croise un segment correspondant à l'épaisseur maximale du corps linéaire. La première intersection est située sur le côté amont du flux sanguin à l'intérieur du vaisseau
