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US 12,318,300 B1Granted
Tibial insert with variable articular surface
AssigneeJoint Development, LLC
InventorsDermott J. McHugh, Eric M. Dacus, Chris A. Weaber
Life of this patent
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Abstract
The tibial insert includes a base having a coupling for attachment to a tibial baseplate, and an upwardly presented articular surface formed from the base, which includes a concave troughed geometry having a progressively larger medial-to-lateral frontal cross-section opening anteriorly to posteriorly along a length of the tibial insert.
Claims24
A tibial insert, comprising:
- a base including a coupling for attachment to a tibial baseplate;
- and
- an upwardly presented variable articular surface formed from the base comprising a concave geometry having a medial-to-lateral cross-sectional surface becoming progressively larger anteriorly to posteriorly at least partially along a length of a posterior portion of the tibial insert.
A tibial insert, comprising:
- a base including a coupling for attachment to a tibial baseplate;
- and
- an articular surface formed from the base and including a pair of concave geometries tapering interiorly in height and having a progressively increasing congruence, with an articulating surface of a femoral component, in a medial-to-lateral cross-section from a respective anterior edge or a posterior edge to a center of the tibial insert.
A tibial insert, comprising:
- a base including a coupling for attachment to a tibial baseplate;
- and
- an articular surface formed from the base having a symmetrical medial-to-lateral cross-section surface becoming relatively larger at a posterior edge and an anterior edge of the base than at a center thereof independent of the orientation of the tibial insert in a left unicompartmental knee replacement or a right unicompartmental knee replacement.
Dependencies are inferred from the claim text.