| 摘要 |
A shoulder joint prosthesis system comprising a stem and a plurality of heads, the stem defining a head receiving surface lying at an angle of greater than zero and less than 40 degrees relative to the stem and each of the heads defining a generally spherical articulation surface having a radius of curvature and mounting means for mounting the head on the stem, the mounting means having an axis of rotation of the head, the axis of rotation and the radius of curvature lying at an angle of greater than zero and less than 40 degrees to each other is disclosed.
|
