The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 16, 2018
Filed:
Nov. 09, 2011
Toshio Matsumoto, Tokyo, JP;
Yuzo Daigo, Saitama, JP;
Shinichi Ohmori, Saitama, JP;
Komei Kato, Saitama, JP;
Toshio Matsumoto, Tokyo, JP;
Yuzo Daigo, Saitama, JP;
Shinichi Ohmori, Saitama, JP;
Komei Kato, Saitama, JP;
MITSUBISHI MATERIALS CORPORATION, Tokyo, JP;
Abstract
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).