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the tibial articulation surface of the right side tibial component is shaped to cooperate with the femoral articulation surface to change kinematics of the knee joint having the condition if the knee joint comprises the left side knee joint; and |
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a left side tibial component attachable on the tibia, the left side tibial component comprising a tibial articulation surface configured to articulate with the femoral articulation surface and rotate the tibia about a longitudinal axis passing through a medial tibial compartment of the left side tibial component during flexion or extension of a left side knee joint; and |
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a right side tibial component attachable on the tibia, the right side tibial component comprising a tibial articulation surface configured to articulate with the femoral articulation surface and rotate the tibia about a longitudinal axis passing through a medial tibial compartment of the right side tibial component during flexion or extension of a right side knee joint; |
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21.A knee joint prosthesis system for implantation in a knee joint of a patient, the knee joint comprising a femur and a tibia, the knee joint having a condition, wherein the knee joint is on a first side of the patient, selected from a right side and a left side, and is not on a second side of the patient, the second side comprising the other of the right side and the left side, the knee joint prosthesis system comprising: |
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20. The method of claim 19, wherein condition of the knee joint comprises one of a varus condition, a valgus condition, and a balanced condition. |
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connecting the selected tibial insert to the tibial baseplate to adapt kinematics of the knee joint based on the condition. |
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5.The knee joint prosthesis system of claim 1, wherein the tibial articulation surface adjusts mediolateral stability during flexion of the first knee joint where the condition is a varus knee joint. |
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implanting a tibial baseplate component on the tibia, the tibial baseplate component comprising an insert interface; |
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implanting a femoral component on the femur, the femoral component comprising a femoral articulation surface; |
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determining that the knee joint has the condition; |
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19.A method for adapting kinematics of a knee joint having a condition, the knee joint comprising a femur and a tibia, wherein the knee joint is on a first side of a patient, selected from a right side and a left side, and is not on a second side of the patient, the second side comprising the other of the right side and the left side, the method comprising: |
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18.The knee joint prosthesis system of claim 12, wherein each of the right side tibial insert and the left side tibial insert comprise a lateral tibial compartment and a medial tibial compartment and wherein the femoral articulation surface comprises a medial femoral compartment and a lateral femoral compartment and wherein the medial tibial compartment engages the lateral femoral compartment at a lateral dwell point during flexion and the lateral tibial compartment engages the medial femoral compartment at a medial dwell point during flexion. |
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17.The knee joint prosthesis system of claim 12, wherein the medial tibial compartment comprises a medial perimeter, a medial high point, and a medial low point and wherein each of the right side tibial insert and the left side tibial insert comprise a lateral tibial compartment that comprises a lateral perimeter, a lateral high point, and a lateral low point. |
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16.The knee joint prosthesis system of claim 15, wherein the tibial articulation surface increases constraint on a lateral collateral ligament of the knee joint and decreases tension on a medial collateral ligament of the knee joint. |
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Next, a surgeon, or other user, may connect 5010 the selected tibial insert to the tibial baseplate to adapt kinematics of the knee joint based on the condition and the method 5000 ends. |
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While specific embodiments and applications of the present disclosure have been illustrated and described, it is to be understood that the scope of this disclosure is not limited to the precise configuration and components disclosed herein. Various modifications, changes, and variations which will be apparent to those skilled in the art may be made in the arrangement, operation, and details of the methods and systems of the present disclosure set forth herein without departing from it spirit and scope. |
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As used herein, the term "in" or "inwardly" refers to a location with respect to the device that, during normal use, is toward the inside of the device. Conversely, as used herein, the term "out" or "outwardly" refers to a location with respect to the device that, during normal use, is toward the outside of the device. |
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As used herein, the term "proximal", "top", "up" or "upwardly" may refer to a location on the device that is closest to the clinician using the device and farthest from the patient in connection with whom the device is used when the device is used in its normal operation. Conversely, the term "distal", "bottom", "down" or "downwardly" may refer to a location on the device that is farthest from the clinician using the device and closest to the patient in connection with whom the device is used when the device is used in its normal operation. Moreover, the terms “upper” and “lower”, and “top” and “bottom”, “front” and “rear” may be used as relative terms herein for ease of description and understanding. It is understood that in embodiments of the disclosure, upper and lower entities may be reversed, as may top and bottom, front and rear. |
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The term “substantially” means that the recited characteristic, parameter, or value need not be achieved exactly, but that deviations or variations, including for example, tolerances, measurement error, measurement accuracy limitations and other factors known to those of skill in the art, may occur in amounts that do not preclude the effect the characteristic was intended to provide. |
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The Figures may show simplified or partial views, and the dimensions of elements in the Figures may be exaggerated or otherwise not in proportion for clarity. In addition, the singular forms “a,” “an,” and “the” include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to a terminal includes reference to one or more terminals. In addition, where reference is made to a list of elements (e.g., elements a, b, c), such reference is intended to include any one of the listed elements by itself, any combination of less than all of the listed elements, and/or a combination of all of the listed elements. |
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