Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kazuya Oribe0
Kazuhiro Hasegawa0
Shinnosuke Nakahara0
Hiroshi Takamido0
Date of Patent
November 14, 2006
0Patent Application Number
106426840
Date Filed
August 19, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An intervertebral cage of the present invention includes main body defined by an upper surface, a lower surface, and a pair of side surfaces. A withdrawal prevention portion is provided on the upper and/or the lower surfaces of the main body and asymmetrically with respect to the side surfaces in a top or bottom plan view. The withdrawal prevention portion regulates an insertion direction of the intervertebral cage.
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