Patent ID: 6712854
Filing Date: 2004-03-30
Classification: A61B,A61F

Abstract:
An acromial prosthesis system, comprising:an acromial tray having a superior surface, an inferior surface, opposing lateral edges, an anterior edge and a posterior edge; said acromial tray having at least two threaded, screw-receiving holes disposed at a predetermined spacing in a central region of said superior surface; at least one rail disposed on said inferior surface to slidably receive and retain a polymeric component adjacent said inferior surface; said acromial tray further comprising means for removably attaching an insertion tool; a polymeric component having a superior surface, an inferior surface, an anterior edge, a posterior edge and opposing lateral edges, said superior surface comprising at least one groove adapted for slidable interaction with said at least one rail, said inferior surface being substantially concave and adapted for articulate interaction with the head of a humerus; whereby superior migration of said head of said humerus is minimited during abduction and forward flexion of said humerus.