Abstract: A talar implant system comprises a body. The body includes a bone contact surface and an articulation surface located opposite the bone contact surface. The body defines at least one angled fastener hole extending therethrough from the articulation surface to the bone contact surface along a longitudinal axis. The articulation surface is configured to mimic articulation of the talar dome. A fastener is sized and configured to be received within the at least one fastener hole at a first angle with respect to the longitudinal axis of the fastener hole. A fastener cap is sized and configured to be received within a proximal end of the at least one fastener hole. The fastener cap couples the body to the fastener.

Abstract: A talar implant includes a post projecting from a superior surface of the plate and includes at least one threaded hole. A talar dome having an inferior surface is configured to face the plate and an opening in the inferior surface is shaped to receive the post. The talar dome includes at least one through hole having a threaded surface and a groove. The groove has a larger outer diameter than the threaded surface. At least one fastener is configured to engage the threaded hole of the post and the threaded surface of the through hole. The at least one fastener has a groove that is aligned with the groove of the through hole when the fastener is inserted in the talar dome and the post. At least one clip is configured to engage the groove of the through hole of the talar dome and the groove of the fastener.

Abstract: In some embodiments, a revision implant includes a body extending between a first planar surface and a second planar surface and a head extending from the first planar surface of the body. The head is configured to couple the revision implant to at least one additional component of a multi-component prosthesis. At least one coupling mechanism is configured to couple the body to a first bone.

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 talar implant includes a post projecting from a superior surface of the plate and includes at least one threaded hole. A talar dome having an inferior surface is configured to face the plate and an opening in the inferior surface is shaped to receive the post. The talar dome includes at least one through hole having a threaded surface and a groove. The groove has a larger outer diameter than the threaded surface. At least one fastener is configured to engage the threaded hole of the post and the threaded surface of the through hole. The at least one fastener has a groove that is aligned with the groove of the through hole when the fastener is inserted in the talar dome and the post. At least one clip is configured to engage the groove of the through hole of the talar dome and the groove of the fastener.

Abstract: A system includes a first tool having a base, a nut, and a tool guide. The base extends from a first end to a second end and includes at least one thread disposed along a length thereof. The first end includes a foot having a widthwise dimension that is greater than a diameter of the at least one thread. The nut is configured to be disposed along the length of the base and to engage at least one thread. The tool guide is configured to be slideably disposed along the length of the base and has a body including a flange portion. The flange portion defines an opening for receiving at least one of a pin and a cutting tool. Rotation of the first nut causes the nut to translate along the length of the base thereby causing the tool guide to move along the length of the base.

Abstract: A cutting guide includes a body and a rotatable device. The body includes a top portion, a bottom portion parallel to the top portion, and a side portion connecting the top and the bottom portions. The rotatable device is coupled to one end of the top portion of the body, and includes a pivotal element and a handle. The handle in the rotatable device has a first portion coupled to the pivotal element, and a second portion configured to be rotated around an axis of the pivotal element. Each of the top portion of the body, the side portion of the body, the bottom portion of the body, and the handle has one respective edge providing a respective guide surface for cutting a bone in a surgical procedure.

Abstract: A surgical tool includes a handle and a trial section coupled to the handle by an engagement section. The trial section includes an upper surface and a lower surface. The upper surface has a shape that corresponds to an upper surface of an implant. The trial section defines a first slot extending from the upper surface to the lower surface and inwardly from a first side. A second slot extends from the upper surface to the lower surface and inwardly from a second side.

Abstract: An implant system comprises an implant plate adapted to be positioned on a surface of a resected bone. The implant plate has a plurality of openings. A plurality of independently positionable pegs attach the implant plate to the bone. Each peg has a longitudinal axis and comprises: a peg body and a retaining device. The peg body is inserted into a peg hole in the bone. The peg body has a transverse dimension in a direction normal to the longitudinal axis, the transverse dimension larger than the openings of the plate. The retaining device is separate from the peg body, and is configured to attach to the peg body, with at least a first portion of the retaining device positioned above an upper surface of the implant plate, and a connecting portion of the retaining device extending through one of the openings of the implant plate.

Abstract: A talar implant system comprises a body. The body includes a bone contact surface and an articulation surface located opposite the bone contact surface. The body defines at least one angled fastener hole extending therethrough from the articulation surface to the bone contact surface along a longitudinal axis. The articulation surface is configured to mimic articulation of the talar dome. A fastener is sized and configured to be received within the at least one fastener hole at a first angle with respect to the longitudinal axis of the fastener hole. A fastener cap is sized and configured to be received within a proximal end of the at least one fastener hole. The fastener cap couples the body to the fastener.

Abstract: A talar implant system comprises a body. The body includes a bone contact surface and an articulation surface located opposite the bone contact surface. The body defines at least one angled fastener hole extending therethrough from the articulation surface to the bone contact surface along a longitudinal axis. The articulation surface is configured to mimic articulation of the talar dome. A fastener is sized and configured to be received within the at least one fastener hole at a first angle with respect to the longitudinal axis of the fastener hole. A fastener cap is sized and configured to be received within a proximal end of the at least one fastener hole. The fastener cap couples the body to the fastener.

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: 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: 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 talar bone plate for use with a multi-component ankle prosthesis is disclosed that has a body having a medial side, a lateral side, an upper surface, a lower surface, a medial-anterior end, a lateral-anterior end, a medial-anterior portion that extends out in anterior direction beyond the lateral-anterior side, and a posterior side, where a length between the medial-anterior end and the posterior side is greater than the length between the lateral-anterior end and the posterior side near the lateral side of the body, where the body having at least one elongated screw hole provided in the medial-anterior portion and a plurality of screw holes provided in the area between the at least one elongated screw hole and the posterior side.

Abstract: A talar implant includes a post projecting from a superior surface of the plate and includes at least one threaded hole. A talar dome having an inferior surface is configured to face the plate and an opening in the inferior surface is shaped to receive the post. The talar dome includes at least one through hole having a threaded surface and a groove. The groove has a larger outer diameter than the threaded surface. At least one fastener is configured to engage the threaded hole of the post and the threaded surface of the through hole. The at least one fastener has a groove that is aligned with the groove of the through hole when the fastener is inserted in the talar dome and the post. At least one clip is configured to engage the groove of the through hole of the talar dome and the groove of the fastener.

Abstract: A talar bone plate for use with a multi-component ankle prosthesis is disclosed that has a body having a medial side, a lateral side, an upper surface, a lower surface, a medial-anterior end, a lateral-anterior end, a medial-anterior portion that extends out in anterior direction beyond the lateral-anterior side, and a posterior side, where a length between the medial-anterior end and the posterior side is greater than the length between the lateral-anterior end and the posterior side near the lateral side of the body, where the body having at least one elongated screw hole provided in the medial-anterior portion and a plurality of screw holes provided in the area between the at least one elongated screw hole and the posterior side.

Abstract: A cutting guide includes a body and a rotatable device. The body includes a top portion, a bottom portion parallel to the top portion, and a side portion connecting the top and the bottom portions. The rotatable device is coupled to one end of the top portion of the body, and includes a pivotal element and a handle. The handle in the rotatable device has a first portion coupled to the pivotal element, and a second portion configured to be rotated around an axis of the pivotal element. Each of the top portion of the body, the side portion of the body, the bottom portion of the body, and the handle has one respective edge providing a respective guide surface for cutting a bone in a surgical procedure.