Patent ID: 8608805
Filing Date: 2013-12-17
Classification: A61F

Abstract:
1. An insert of a joint ball mount of a shoulder joint prosthesis, the insert comprising: a first side having a recess sized to receive a joint ball; a second side opposite the first side; a snap-action mechanism extending around a center axis of the insert, the snap-action mechanism comprising: a first cylindrical guide region disposed at an outer periphery of the insert and configured to interface with a first cylindrical inner shell guide region, a second cylindrical guide region proximate the second side of the insert and configured to interface with a second inner shell guide region wherein an outer diameter of the second cylindrical guide region is smaller than the outer diameter of the first cylindrical guide region and the maximum outer diameter of the snap-action mechanism such that the snap-action mechanism is arranged axially between the first and second cylindrical guide regions.