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US 2014/0207234 A1Published application
Rim Anchoring Systems for Flexible Surgical Implants for Replacing Cartilage
AssigneeFormae, Inc.
InventorKevin A. Mansmann
Life of this patent
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Abstract
Flexible cartilage-replacing implants are disclosed that use either or both of (1) enlarged peripheral rim components, and/or (2) elongated flexible reinforcing members that are embedded around the peripheral edge of an implant device. These types of anchoring devices, especially when used in combination, can provide flexible implants that can be implanted arthroscopically into synovial joints, for complete replacement of damaged cartilage segments.
Claims9
1-20. (canceled)
A surgical implant assembly, for replacing hyaline cartilage on a bone surface within a groove machined in the bone surface, comprising:
- a flexible cartilage replacement implant having a smooth lubricious articulating surface on an exposed side and an enlarged rim protruding on a side opposite from the exposed side, wherein a flexible elongated reinforcing member is embedded in the enlarged rim, wherein the enlarged rim is dimensioned to fit into the groove in the bone surface;
- a washer component with an open center area, the washer component being configured for permanent attachment to the bone surface such that an edge of the washer component extends along an edge of the groove in the bone surface;
- a trench supplementing component affixed to the washer component and extending over the edge of the groove, wherein the trench supplementing component and the enlarged rim with the reinforcing member embedded therein are dimensioned such that enlarged rim fits over the trench supplementing component to be held in the groove.
Dependencies are inferred from the claim text.