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US 2016/0100848 A1Published application
Auxiliary jig for trapeziometacarpal joint arthroplasty
AssigneeNational Cheng Kung University
InventorsWei-jr LIN, I-ming JOU, Che-chia HSU, Fong-chin SU
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Abstract
An auxiliary jig for a trapeziometacarpal joint arthroplasty is disclosed. The jig has a body, two grip portions, and a positioning portion. The positioning portion has a plurality of positioning holes so that pins can be fixed on the first metacarpal bone through the positioning holes. The jig can provide accurate positioning operations for cutting and drilling during a trapeziometacarpal joint arthroplasty.
Claims10
An auxiliary jig for trapeziometacarpal joint arthroplasty, comprising:
- a body having an inner surface for abutting against a metacarpal bone and an outer surface opposite the inner surface;
- two grip portions provided on two sides of the outer surface of the body, respectively;
- and
- a positioning portion extended from an end of the body, the positioning portion having a plurality of positioning holes, and the body being fixed on the metacarpal bone by fixing a plurality of pins on the metacarpal bone through the positioning holes.
1 more element
Dependencies are inferred from the claim text.