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公开(公告)号：US20170246011A1
公开(公告)日：2017-08-31
申请号：US15596382
申请日：2017-05-16
发明人： Toshio Matsumoto , Yuzo Daigo , Shinichi Ohmori , Komei Kato
CPC分类号： A61F2/442 , A61F2/30771 , A61F2/4465 , A61F2/447 , A61F2002/2817 , A61F2002/2835 , A61F2002/30011 , A61F2002/30013 , A61F2002/30471 , A61F2002/30472 , A61F2002/30616 , A61F2002/30629 , A61F2002/30784 , A61F2002/30841 , A61F2002/3092 , A61F2002/30971 , A61F2002/4475 , A61F2002/448 , A61F2310/00023 , A61F2310/00029 , A61F2310/00089 , A61F2310/00095 , A61F2310/00131
摘要： A vertebral body spacer of the present invention is used by being inserted between a vertebral body and a vertebral body (intervertebral space). The vertebral body spacer has a block body constituted of titanium or a titanium alloy as a main component thereof, and provided with a pair of contact surfaces to be made contact with the vertebral body and the vertebral body. The block body includes a frame-shaped dense part and a porous part provided inside the dense part, and a porosity of at least a surface of the porous part is larger than a porosity of the dense part. According to the present invention, it is possible to maintain an appropriate size between the vertebral bodies (intervertebral space).
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公开(公告)号：US20160206441A1
公开(公告)日：2016-07-21
申请号：US14982467
申请日：2015-12-29
发明人： Toshio Matsumoto , Yuzo Daigo , Shinichi Ohmori , Komei Kato
CPC分类号： A61F2/4455 , A61F2/30771 , A61F2/44 , A61F2/442 , A61F2/4465 , A61F2002/30011 , A61F2002/30224 , A61F2002/30454 , A61F2002/30471 , A61F2002/30472 , A61F2002/30492 , A61F2002/30616 , A61F2002/30841 , A61F2002/30892 , A61F2002/3092 , A61F2002/30967 , A61F2002/3097 , A61F2002/30971 , A61F2002/4475 , A61F2002/448 , A61F2310/00023 , A61F2310/00431 , A61F2310/00443 , A61F2310/00485 , A61F2310/00491 , A61F2310/00497 , A61F2310/00514 , A61F2310/00532 , A61F2310/00544 , A61F2310/00562 , A61F2310/00976
摘要： A vertebral body spacer of the present invention is used by being inserted between a vertebral body and a vertebral body (intervertebral space). The vertebral body spacer has a block body constituted of titanium or a titanium alloy as a main component thereof, and provided with a pair of contact surfaces to be made contact with the vertebral body and the vertebral body. The block body includes needle parts formed into a needle shape having both end portions and a porous part having through holes passing through the porous part in a thickness direction thereof, and a porosity of at least a surface of the porous part is larger than a porosity of each of the needle parts. The needle parts are inserted into the through holes so that the both end portions are projected from the contact surfaces.
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