Abstract: Various surgical devices and methods are disclosed herein. Also disclosed is multi-component prosthesis, which can be used as an ankle prosthesis. One of the disclosed surgical alignment systems includes a guide arm, a ratchet arm frame configured to be coupled slidably to the guide arm, a ratchet arm configured to be coupled to the ratchet arm frame, and a sagittal sizing guide body configured to be coupled to the ratchet arm. The sagittal sizing guide body includes a first radiopaque object disposed at a first position and a second radiopaque object disposed at a second position that is spaced apart from the first position.

Abstract: Various surgical devices and methods are disclosed herein. Also disclosed is multi-component prosthesis, which can be used as an ankle prosthesis. One of the disclosed surgical alignment systems includes a guide arm, a ratchet arm frame configured to be coupled slidably to the guide arm, a ratchet arm configured to be coupled to the ratchet arm frame, and a sagittal sizing guide body configured to be coupled to the ratchet arm. The sagittal sizing guide body includes a first radiopaque object disposed at a first position and a second radiopaque object disposed at a second position that is spaced apart from the first position.

Abstract: A prosthesis suited for orthopedic implantation comprising a modular intramedullary rod that provides intramedullary guidance and that supports an artificial joint surface that can articulate with another artificial joint surface in various ways. Intramedullary guidance systems and methods introduce some and/or all surgical tools and ankle prostheses components through the tibia, using minimal invasive exposure. The systems and methods align the talus and tibia for the installation of one or more ankle prostheses components, and also maintain that alignment during the installation using intramedullary guidance.

Abstract: Various surgical devices and methods are disclosed herein. Also disclosed is multi-component prosthesis, which can be used as an ankle prosthesis. One of the disclosed surgical alignment systems includes a guide arm, a ratchet arm frame configured to be coupled slidably to the guide arm, a ratchet arm configured to be coupled to the ratchet arm frame, and a sagittal sizing guide body configured to be coupled to the ratchet arm. The sagittal sizing guide body includes a first radiopaque object disposed at a first position and a second radiopaque object disposed at a second position that is spaced apart from the first position.

Abstract: A position adjustment device having a tool holder is locked to at least two pins projecting from respective anterior facing locations near a distal end of a tibia of a patient. The position adjustment device is adjusted. The position adjustment device is locked with the tool holder at first coordinates in the proximal-distal and medial-lateral directions. The distal end of the tibia is resectioned with a tool positioned on the tool holder, while the tool holder is in the first coordinates in the proximal-distal and medial-lateral directions. The tool is removed from the tool holder. A tibia trial is placed on the resectioned tibia using the tool holder, while the tool holder is in the first coordinates in the proximal-distal and medial-lateral directions. The tibia trial has a size and shape of a tibial tray of an ankle replacement system.

Abstract: An implant kit has an adapter having a first end, a second end, and a longitudinal axis extending from the first and to the second end, wherein the first end is configured for removably receiving and engaging an implant and the second end is configured for removably coupling to a driver shaft of an implant driving tool, and an implant preloaded into the first end of the adapter, the implant having an elongated threaded portion; and a blade portion extending from the elongated threaded portion, and having two serrated edges, wherein the blade portion is received in the first end of the adapter and the elongated threaded portion of the implant is coaxially aligned with the longitudinal axis of the adapter.

Abstract: A guide clamp for clamping a femur and guiding placement of a guide wire relative to the femur. The guide clamp includes a body supporting a pair of clamping surfaces at the end of a pair of clamping arms that are spring-biased to move with respect to each other into a closed position to grip the femur. Defined by the body is a guide opening that guides insertion of the guide pin once the femur has been gripped. One of the clamping arms of the guide clamp may have proximal and distal portions that are slidably adjustable with respect to each other to allow a controlled repositioning of the guide opening with respect to the femur. The guide clamp may also include an engagement member which is supported by the body of the clamp and is capable of advancing into abutting contact with the head of the femur.

Abstract: An acetabular component comprises a thin-walled, partial spherical body having an inner surface defining an articular surface and having angled recesses along an outer surface of the body for releasable engagement with an insertion and extraction tool. An insertion and extraction tool comprises a spring-loaded locking member movable from an extended position to a retracted position in response to relative sliding movement of an outer sleeve and inner shaft of the tool effected via an actuating force at a proximal end of the tool. The tool comprises engagement members insertable in the recesses when the locking member is retracted and, upon release of the actuating force, the locking member automatically returns to the extended position causing fingers of the locking members to enter the recesses and lock the acetabular cup to the tool.

Abstract: A guide clamp for clamping a femur and guiding placement of a guide wire relative to the femur. The guide clamp includes a body supporting a pair of clamping surfaces at the end of a pair of clamping arms that are spring-biased to move with respect to each other into a closed position to grip the femur. Defined by the body is a guide opening that guides insertion of the guide pin once the femur has been gripped. One of the clamping arms of the guide clamp may have proximal and distal portions that are slidably adjustable with respect to each other to allow a controlled repositioning of the guide opening with respect to the femur. The guide clamp may also include an engagement member which is supported by the body of the clamp and is capable of advancing into abutting contact with the head of the femur.

Abstract: An acetabular component comprises a thin-walled, partial spherical body having an inner surface defining an articular surface and having angled recesses along an outer surface of the body for releasable engagement with an insertion and extraction tool. An insertion and extraction tool comprises a spring-loaded locking member movable from an extended position to a retracted position in response to relative sliding movement of an outer sleeve and inner shaft of the tool effected via an actuating force at a proximal end of the tool. The tool comprises engagement members insertable in the recesses when the locking member is retracted and, upon release of the actuating force, the locking member automatically returns to the extended position causing fingers of the locking members to enter the recesses and lock the acetabular cup to the tool.