Humeral component
AssigneeZimmer, Inc.
InventorMichael Forrer
Life of this patent
Estimating the term…
Abstract
The invention relates to a humeral component of a shoulder joint prosthesis, comprising a bearing body (38), a shaft (32) and a transition area (34) which is arranged between the bearing body (38) and the shaft (32). One surface of the transition area (34) comprises, on a large area, a structure in the form of projections (48) for attaching bone fragments and/or muscle attachments and/at tendon attachments. The projections (48) are arranged discretely in a distributed manner on the surface of the transition area (34) and essentially in the proximal-distal direction and also essentially in the direction of the periphery.
Claims16
1-20. (canceled)
A humerus component of a shoulder joint prosthesis, comprising a support body, a shaft and a transition region arranged between the support body and the shaft, and also a metaphysary base plate which is arranged between the transition region and the support body, wherein a surface of the transition region has a structure over a large area in the form of discrete elevated portions for the attachment of bone fragments and/or of muscle attachments and/or of tendon attachments, and wherein the discrete elevated portions are arranged distributed discretely over the surface of the transition region both substantially in the proximal-distal direction and substantially in the peripheral direction, wherein the surface of the metaphysary base plate likewise has a structure in the form of elevated portions at least in part, with the elevated portions having the form of individual elements tapering to a point.
Dependencies are inferred from the claim text.