Title:
椎体間ケージ
Document Type and Number:
Japanese Patent JP6820608
Kind Code:
B2
Abstract:
Provided is a structurally stable interbody cage. An interbody cage 1 includes a main body 2 distally including two branches 20,21 that are spaced apart from each other upward and downward, a rod 3 provided in the main body 2 so as to extend between the two branches 20,21, and a slider 4 configured to separate the two branches 20,21 upward and downward, the slider 4 being supported by the rod 3 so as to be movable in an axis direction of the rod, wherein the two branches 20,21 each distally have an inclined surface 26A, the inclined surfaces 26A facing each other, the distance between the inclined surfaces 26A gradually increasing toward distal ends thereof; the slider 4 slides on the inclined surfaces 26A of the two branches 20,21 when the slider 4 moves in the axis direction of the rod 3, and the two branches 20,21 each proximally have a constricted part 27 with a narrow thickness and an opening 5 is present between the upper constricted part 27 and the lower constricted part 27, the opening 5 being formed by a plurality of holes 50 to 52 continuous in the axis direction of the rod 3 and having an upper edge and lower edge that form protruding curves in a lateral view.
Inventors:
Kono Mamoru
Application Number:
JP2018211147A
Publication Date:
January 27, 2021
Filing Date:
November 09, 2018
Export Citation:
Assignee:
kisco corporation
International Classes:
A61F2/44
Domestic Patent References:
| JP2669379B2 |
Foreign References:
| KR100953930B1 |
Attorney, Agent or Firm:
Patent Business Corporation Saegusa International Patent Office