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Vertebral body spacer
专利权人:
Mitsubishi Materials Corporation
发明人:
Toshio Matsumoto,Yuzo Daigo,Shinichi Ohmori,Komei Kato
申请号:
GB201700578
公开号:
GB2545819A
申请日:
2011.11.09
申请国别(地区):
GB
年份:
2017
代理人:
摘要:
A vertebral body spacer 1 of the present invention is used by being inserted between a vertebral body 101 and a vertebral body 102 (intervertebral space). The vertebralbody spacer 1 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 101 and the vertebral body 102. The blockbody 2 includes needle parts 40 formed into a needle shape having both end portions and a porous part 21 having through holes 22 passing through the porous part 21 in a thickness direction thereof, and a porosity of at least a surface of the porous part 21 is larger than a porosity of each of the needle parts 40. The needle parts 40 are inserted into the through holes 22 so that the both end portions are projected from the contact surfaces, so that the both end portions constitute projection portions which exhibit a function of fixing the block body 2 between the vertebral bodies. According to the present invention, it is possible to maintain an appropriate size between the vertebral bodies (intervertebral space). Further, it is possible to reliably prevent the vertebral body spacer from being broken irrespective of cases and a position of the intervertebral space, and thereby capable of achieving bone fusion between the vertebral body spacer and the vertebral bodies promptly.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/
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