Patent ID: 9744048
Date: 2017-08-29
CPC Classifications: A61F

Claim:
1. A prosthesis for restoring a joint between first and second bones, the prosthesis comprising: a first plate; a first plate engagement system configured to engage the first plate with a resected end of the first bone; a second plate; a second plate engagement system configured to engage the second plate with a resected end of the second bone; a mounting system configured to mount the two plates pivotally relative to each other about a pivot axis, the mounting system comprising a hole defined in each of the two plates, each hole having an end opening out in a first face of the plate in which the hole is made, the two holes having respective shapes complementary to the two respective closed solids; and a slot defined in each of the two plates, the slots made in each plate opening out into the hole made in each plate and into a second one of its faces, and including an end opening out into the first face of each plate, wherein the flexible hinge and the two plates are mounted in cooperation such that the two closed solids are disposed in the two holes and the flexible rectangular prism is disposed in the two slots wherein each plate is a substantially pyramid shape with square cross-sections, each plate having a cross-section and defined perpendicularly to the generator lines having a substantially triangular shape with one of its vertices having an angle of value greater than ninety degrees.