Bone Implant with a Surface Anchoring Structure
First Claim
1. A bone implant comprising a stem having an integral anchoring structure at its surface, the structure comprising an array of mutually spaced pointed teeth formed along at least a portion of the length of the stem, each tooth forming an overhang generally in the form of a claw for digging into a bone into which the stem is to be attached, and a network of pores underlying the array and communicating with the exterior of the surface via openings between the teeth, the pores allowing for the circulation of nutrients to promote bone growth.
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Accused Products
Abstract
A bone implant comprises a core 10 having an integral anchoring structure 12 at its surface. The structure 12 comprises an array of upwardly extending mutually spaced pointed claw-like teeth 14 for digging into bone to which the implant is to be attached, and a network of pores 16 underlying the array and communicating with the exterior of the surface via openings 18 between the teeth, the pores allowing for the circulation of nutrients to promote bone growth.
58 Citations
12 Claims
- 1. A bone implant comprising a stem having an integral anchoring structure at its surface, the structure comprising an array of mutually spaced pointed teeth formed along at least a portion of the length of the stem, each tooth forming an overhang generally in the form of a claw for digging into a bone into which the stem is to be attached, and a network of pores underlying the array and communicating with the exterior of the surface via openings between the teeth, the pores allowing for the circulation of nutrients to promote bone growth.
Specification