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公开(公告)号：US20080161845A1
公开(公告)日：2008-07-03
申请号：US11985271
申请日：2007-11-14
申请人： Etsuo Murakami , Masahiko Saito , Akio Yamaguchi
发明人： Etsuo Murakami , Masahiko Saito , Akio Yamaguchi
IPC分类号： A61B17/34
CPC分类号： A61F9/00736 , A61B17/3417 , A61B2017/3454 , A61F9/008 , A61F2009/00874
摘要： The invention provides a trocar for penetrating body tissue and being placed, which allows for shortening the time required to seal an opening, regardless of the size of the opening. In a first trocar used in performing surgery, an incision member is detachably inserted into the cannula portion and a cutting blade with a shape of a nearly straight line is formed at the tip. In a second trocar, the tip part of the cannula portion that detachably inserts the incision member has a slanting cut end, and the slanting cut end is formed in a tapered shape.
摘要翻译： 本发明提供一种用于穿透身体组织并被放置的套针针，其允许缩短密封开口所需的时间，而与开口的尺寸无关。 在用于进行手术的第一个套管针中，切口构件可拆卸地插入到套管部分中，并且在尖端处形成具有近似直线形状的切割刀片。 在第二套管针中，可拆卸地插入切口构件的插管部的顶端部具有倾斜的切割端，并且倾斜的切割端形成为锥形。
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公开(公告)号：US20120165851A1
公开(公告)日：2012-06-28
申请号：US13393197
申请日：2010-08-24
申请人： Etsuo Murakami , Kaoru Ogane
发明人： Etsuo Murakami , Kaoru Ogane
CPC分类号： A61M5/158 , A61B17/3421 , A61B2017/00526 , A61B2017/3454 , A61F9/007
摘要： Disclosed is a cannula that can decrease the rate of increase in resistance that is generated when penetrating an incision formed in tissue. The cylindrical cannula (1) configures a trocar (B) used during surgery; an incision member (C) can be inserted and removed therewithin; one side of the end portion of the cylinder forms a protruding slanted cut end (2); and a tapered surface (3) having an uneven width and a width that is wider on the protruding side (the side of point 2a) of the slanted cut end than the non-protruding side (the side of point 2b) is formed on the outer periphery of the slanted cut end (2).
摘要翻译： 公开了一种套管，其可以降低穿透组织中形成的切口时产生的电阻增加率。 圆柱形套管（1）构成手术期间使用的套针（B）; 可以在其中插入和移除切口部件（C）; 圆筒端部的一侧形成突出的倾斜切口端（2）; 并且在倾斜切割端的突出侧（点2a的一侧）上具有不均匀宽度和宽度的锥形表面（3）比非突出侧（点2b的侧面）形成在 倾斜切割端（2）的外周。
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