Tibial prosthesis systems, kits, and methods
First Claim
1. A system for determining force balance on a knee joint during a surgical procedure, the system comprising:
- a tibial prosthesis including a bearing component, a base component, and a shim component, the bearing component, having a superior articulating surface and an inferior surface, and comprising a top portion, a bottom portion, a frame disposed between the top portion and the bottom portion, a plurality of sensors disposed between a superior surface of the frame and the bottom portion, the frame having a plurality of apertures corresponding in a size or shape to the plurality of sensors, the base component having a superior surface and an inferior surface, the shim component configured to be slidable between the inferior surface of the bearing component and the superior surface of the base component, and a plurality of distinct projections extending from the top portion of the bearing component that are sized and shaped to fit within the plurality of apertures of the frame and positioned between the superior articulating surface and the inferior surface of the bearing component, each of the plurality of distinct projections is configured to operatively engage with at least one of the plurality of sensors.
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0 Petitions
Accused Products
Abstract
Systems for determining force balance on a knee joint during a surgical procedure are disclosed. A system can include a tibial prosthesis. The tibial prosthesis can include a bearing component, a base component, and a shim component. The bearing component can have a superior articulating surface and an inferior surface. The bearing component can include a top portion, a bottom portion, a frame disposed between the top portion and the bottom portion, and a plurality of sensors disposed between the frame and the bottom portion. The frame can have a plurality of apertures corresponding in size or shape to the plurality of sensors. The base component can have a superior surface and an inferior surface. The shim component can be configured to be slidable between the inferior surface of the bearing component and the superior surface of the base component in an anterior to posterior direction.
144 Citations
16 Claims
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1. A system for determining force balance on a knee joint during a surgical procedure, the system comprising:
a tibial prosthesis including a bearing component, a base component, and a shim component, the bearing component, having a superior articulating surface and an inferior surface, and comprising a top portion, a bottom portion, a frame disposed between the top portion and the bottom portion, a plurality of sensors disposed between a superior surface of the frame and the bottom portion, the frame having a plurality of apertures corresponding in a size or shape to the plurality of sensors, the base component having a superior surface and an inferior surface, the shim component configured to be slidable between the inferior surface of the bearing component and the superior surface of the base component, and a plurality of distinct projections extending from the top portion of the bearing component that are sized and shaped to fit within the plurality of apertures of the frame and positioned between the superior articulating surface and the inferior surface of the bearing component, each of the plurality of distinct projections is configured to operatively engage with at least one of the plurality of sensors. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A system for determining force balance on a knee joint during a surgical procedure, the system comprising:
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a tibial prosthesis including a bearing component and a base component, the bearing component, having a superior articulating surface and an inferior urface, and comprising a top portion, a bottom portion, a frame disposed between the top portion and the bottom portion, a plurality of sensors disposed between a superior surface of the frame and the bottom portion, the frame having a plurality of apertures corresponding in a size or shape to the plurality of sensors, the base component having a superior surface and an inferior surface, and a plurality of distinct projections extending from the top portion of the bearing component that are sized and shaped to fit within the plurality of apertures of the frame and positioned between the superior articulating surface and the inferior surface of the bearing component, each of the plurality of distinct projections is configured to operatively engage with at least one of the plurality of sensors; at least one shim component configured to be slidable between the inferior surface of the bearing component and the superior surface of the base component in an anterior/posterior direction, the at least one shim component selected from a plurality of shim components of varying sizes; a user interface having a representation of an area or volume of the tibial prosthesis for presentation on a display; and a connection between the user interface and the plurality of sensors, configured such that the user interface receives information from the plurality of sensors and provides at least one force center indicator of balance or imbalance on the knee joint for presentation on the display. - View Dependent Claims (13, 14, 15, 16)
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Specification