Abstract: A patient specific instrument is disclosed for correcting a condition present in a patient. The patient specific instrument includes a body that includes an inferior side having a bone engagement surface shaped to match a first surface of a first bone and a second surface of a second bone of a joint. The instrument also includes a superior side having a first guide feature and a second guide feature that together, with the bone engagement surface overlying the first surface and the second surface, are positioned to guide resection of the first bone and the second bone during a surgical osteotomy for correcting the condition. The body is configured to seat transverse to the joint with the bone engagement surface engaging the first surface of the first bone and the second surface of the second bone.

Abstract: An apparatus, system, and method are disclosed for providing a three-dimensional (3D) physical model for a surgical procedure. In some aspects, the apparatus, system, and/or method may include generating a computer bone model of deformed osseous anatomy of a patient based on medical imaging data of the deformed osseous anatomy. Also, the apparatus may include fabricating a 3D physical bone model of the deformed osseous anatomy based on the computer bone model. Furthermore, the apparatus may include generating a computer instrument model of an instrument configured for use in a surgical procedure to remediate the deformed osseous anatomy. In addition, the apparatus may include fabricating the instrument based on the computer instrument model. Moreover, the apparatus may include providing the 3D physical bone model and the instrument to a user.

Abstract: An apparatus, system, and method are disclosed for remediating a condition present in a patient. In some implementations, the apparatus may include a body. Also, the apparatus may include a bone attachment feature. Furthermore, the apparatus may include a first resection feature configured to guide a first osteotomy of a donor bone. In addition, the apparatus may include a second resection feature configured to guide a second osteotomy of the donor bone, the second osteotomy offset from the first resection feature by a dimension that satisfies a predefined bone graft dimension.

Abstract: An apparatus, system, and method are disclosed for remediating a condition present in a patient. In some implementations, the device may include a body. In addition, the device may include a bone engagement member on a bone-facing side of the body, the bone engagement member is configured to engage a first bone and a second bone such that when engaged by the device the first bone and a second bones are in a predetermined position. The device may include a reference feature guide configured with the body to guide formation of a reference feature for one of the first bone and the second bone.

Abstract: An apparatus, system, and method are disclosed for remediating a condition present in a patient. In certain implementations, the device may include a body having a medial side, a lateral side, a superior side, an inferior side, an anterior side, and a posterior side. In addition, the device may include a bone engagement surface on a bone-facing side of the body, the bone engagement surface configured to engage a surface of a patient. The device may include a bone attachment feature configured to couple the body to a long bone of the patient. Moreover, the device may include a resection feature that guides resection of the long bone to separate a malleolus from the long bone.

Abstract: An apparatus, system, and method are disclosed for remediating a condition present in a patient. In certain implementations, the device may include a body having a proximal side, a distal side, a medial side, a lateral side, an inferior side, and a superior side. In addition, the device may include a window that extends from one side of the body to an opposite side of the body, the window configured to enable a user to view an anatomical reference when the apparatus is in use. The device may include a reference feature guide coupled to the body, the reference feature guide configured to guide a user in providing one or more reference features.

Abstract: A patient-specific instrument is disclosed for performing an osteotomy. The patient-specific instrument includes a body that includes a proximal side, a distal side, a medial side, a lateral side, and an inferior side having a bone engagement surface shaped to match at least one of a first surface of a first bone, a second surface of a second bone, a third surface of a third bone, and a fourth surface of a fourth bone of adjacent joints. The instrument also includes a superior side having one or more guide features that are positioned to guide resection of at least one of the first bone, the second bone, the third bone, and the fourth bone. The body is configured to seat transverse to the adjacent joints with the bone engagement surface engaging at least one of the first surface, the second surface, the third surface, and the fourth surface.

Abstract: A patient-specific instrument is disclosed for performing an osteotomy. The patient-specific instrument includes a body that includes a proximal side, a distal side, a medial side, a lateral side, and an inferior side having a bone engagement surface shaped to match at least one of a first surface of a first bone, a second surface of a second bone, a third surface of a third bone, and a fourth surface of a fourth bone of adjacent joints. The instrument also includes a superior side having one or more guide features that are positioned to guide resection of at least one of the first bone, the second bone, the third bone, and the fourth bone. The body is configured to seat transverse to the adjacent joints with the bone engagement surface engaging at least one of the first surface, the second surface, the third surface, and the fourth surface.

Abstract: A method may be used to correct a condition present in a patient. The method may include obtaining a first bone model of a first bone of one or more bones of the patient's foot, and using at least the first bone model to generate a cutting guide model. The cutting guide model may define a first bone engagement surface shaped to match a first contour on the first bone, and a first guide feature that, with the first bone engagement surface overlying the first contour, is positioned to guide resection of the one or more bones as part of a surgical osteotomy for correcting the condition. The surgical procedure may be selected from a first group consisting of a bunion correction osteotomy, an Evans calcaneal osteotomy, and a medializing calcaneal osteotomy. The first bone may be selected from a second group consisting a metatarsus, a cuneiform, and a calcaneus.

Abstract: A method may be used to correct a condition present in a patient. The method may include obtaining a first bone model of a first bone of one or more bones of the patient's foot and using at least the first bone model to generate a cutting guide model. The cutting guide model may define a first bone engagement surface shaped to match a first contour on the first bone, and a first guide feature that, with the first bone engagement surface overlying the first contour, is positioned to guide resection of the one or more bones as part of a surgical osteotomy for correcting the condition. The surgical procedure may be selected from a first group consisting of a bunion correction osteotomy, an Evans calcaneal osteotomy, and a medializing calcaneal osteotomy. The first bone may be selected from a second group consisting of a metatarsus, a cuneiform, and a calcaneus.

Abstract: An apparatus, system, and method are disclosed for remediating a condition present in a patient. In some implementations, the apparatus may include a resection guide having: a body having an anterior side, a posterior side, a medial side, a lateral side, a superior side, and an inferior side. The resection guide also includes a first resection feature configured to guide a cutting tool to form a first osteotomy in a first bone. The first osteotomy is defined based at least partially on user directions and at least partially on a bone model of at least a portion of the first bone. The bone model is based on medical imaging of a patient's foot. The resection guide includes bone attachment feature configured to secure the resection guide to the first bone.

Abstract: An apparatus, system, and method is disclosed for correcting a condition present in a patient. In some aspects, the apparatus may include a resection guide having: a body, resection features that define trajectories that are at least partially determined based on a bone model of at least a portion of the patient's foot. The bone model can be based on medical imaging of the patient's foot. The apparatus includes a first bone attachment feature and second bone attachment feature configured to secure the resection guide to the bone. Also, the apparatus may include at least one complementary component selected from the group having of: an alignment guide; a rotation guide; a compression guide; a correction guide; a positioning guide; a pin guide; and a fixation guide.

Abstract: An apparatus, system, and method is disclosed for correcting a condition present in a patient. The apparatus may include a body having a superior side, an inferior side, a medial side, a lateral side, a proximal side, and a distal side. In addition, the apparatus may include a resection feature between a proximal end and a distal end that guides resection of a metatarsal of a patient's foot. Moreover, the apparatus may include a bone attachment feature configured to couple the body to the metatarsal. Also, the apparatus may include a bone engagement surface configured to register to the metatarsal based on medical imaging taken of the patient's foot.

Abstract: A talar implant having at least one body section, at least one mesh section and at least one solid section extending down from the body section. The solid section having at least one point end. Further disclosed is a kit for inserting a talar implant including at least one tibial guide, at least one talar guide, and at least one impactor for inserting the talar implant into a talus. In addition, a method for implanting a talus implant is disclosed. The method can include identifying a damaged area on a talus, projecting a missing damaged area on a contralateral joint and printing an implant based upon a mirror image of a portion of the contralateral joint. The method can include applying at least one guide, removing at least a portion of a damaged region of the talus, inserting the talar implant and setting the talar implant in the talus.

Abstract: A patient-specific instrument is disclosed for performing an osteotomy. The patient-specific instrument includes a body that includes a proximal side, a distal side, a medial side, a lateral side, and an inferior side having a bone engagement surface shaped to match at least one of a first surface of a first bone, a second surface of a second bone, a third surface of a third bone, and a fourth surface of a fourth bone of adjacent joints. The instrument also includes a superior side having one or more guide features that are positioned to guide resection of at least one of the first bone, the second bone, the third bone, and the fourth bone. The body is configured to seat transverse to the adjacent joints with the bone engagement surface engaging at least one of the first surface, the second surface, the third surface, and the fourth surface.

Abstract: A patient specific instrument is disclosed for correcting a condition present in a patient. The patient specific instrument includes a body that includes an inferior side having a bone engagement surface shaped to match a first surface of a first bone and a second surface of a second bone of a joint. The instrument also includes a superior side having a first guide feature and a second guide feature that together, with the bone engagement surface overlying the first surface and the second surface, are positioned to guide resection of the first bone and the second bone during a surgical osteotomy for correcting the condition. The body is configured to seat transverse to the joint with the bone engagement surface engaging the first surface of the first bone and the second surface of the second bone.

Abstract: A system for attaching first and second bone segments together may include a first component and a second component. The first component may have a first component bone engagement end implantable into a first bore formed in the first bone segment, and a first component attachment end. The second component may have a second component bone engagement end implantable into a second bore formed in the second bone segment, and a second component attachment end with a first projection that is movable, in response to a temperature change of the first projection, between insertion and locking configurations. In the insertion configuration, the first projection may be positioned to avoid interference with withdrawal of the second component attachment end from the first component attachment end. In the locking configuration, the first projection may be positioned to interfere with withdrawal of the second component attachment end from the first component attachment end.

Abstract: A method may be used to correct a condition present in a patient. The method may include obtaining a first bone model of a first bone of one or more bones of the patient's foot, and using at least the first bone model to generate a cutting guide model. The cutting guide model may define a first bone engagement surface shaped to match a first contour on the first bone, and a first guide feature that, with the first bone engagement surface overlying the first contour, is positioned to guide resection of the one or more bones as part of a surgical osteotomy for correcting the condition. The surgical procedure may be selected from a first group consisting of a bunion correction osteotomy, an Evans calcaneal osteotomy, and a medializing calcaneal osteotomy. The first bone may be selected from a second group consisting a metatarsus, a cuneiform, and a calcaneus.

Abstract: The surgical retractors and methods disclosed herein are designed to retract tissues in an ergonomic and anatomically correct manner by matching tissue curvatures in order to minimize tissue damage and reduce incision sizes. In one embodiment, a surgical retractor may include a first blade with proximal and distal ends, and a second blade with proximal and distal ends. The distal end of the first blade may be pivotally coupled to the distal end of the second blade. The surgical retractor may also include a ratcheting mechanism that is configured to maintain a selected distance between the proximal end of the first blade and the proximal end of the second blade.

Abstract: A system for attaching a middle phalanx and a proximal phalanx together may include a middle component and a proximal component. The middle component may have a middle component bone fastener implantable into a first bore formed in the middle phalanx, and a middle component attachment end with a first engagement feature with a first shape. The proximal component may have a proximal bone fastener implantable into a second bore formed in the proximal phalanx, and a proximal component attachment end with a second engagement feature with a second shape. The first engagement feature may be movable into engagement with the second engagement feature along an engagement direction that is generally perpendicular to the middle phalanx and/or the proximal phalanx. The second shape may be complementary to the first shape such that the first engagement feature interlocks with the second engagement feature.