Patent ID: 11911050
Assignee: KNIMBLE DESIGNS, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 19:
20. A system for total knee replacement comprising:
an artificial tibial component defining an inner proximal tibial face;
an artificial femoral component defining an inner distal femoral face, an inner posterior femoral face, and an inner anterior face and configured to mate with the artificial tibial component;
a first guide unit configured for temporary installation on a tibia and defining a proximal tibial cut guide that locates a blade during resection of the tibia to form a proximal tibial face;
a second guide unit:
configured to reference against the first guide unit;
configured for temporary installation on a femur; and
defining a distal femoral cut guide offset from the proximal tibial cut guide by a distance between the inner proximal tibial face of the artificial tibial component and the inner distal femoral face of the artificial femoral component in an extension position and that locates a blade during resection of the femur to form a distal femoral face; and

a third guide unit:
defining a tibial-side face configured to mate against the proximal tibial face;
defining a femoral-side face configured to mate against the distal femoral face and angularly offset from the tibial-side face by an intermediate angle between flexion and extension;
defining a wedge-geometry between the tibial-side face and the femoral-side face corresponding to a geometry between the inner proximal tibial face of the artificial tibial component and the inner distal femoral face of the artificial femoral component in the intermediate position; and
defining a posterior femoral cut guide positioned relative to the femoral-side face according to a position of the posterior inner face relative to the distal inner face of the artificial femoral component and that locates a blade during resection of the femur to form a posterior femoral face.