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Delete 		PER-23 Thus, the result of the step 108 may provision, to the surgeon, of one or more of the following: (1) one or more patient-specific instruments; (2) one or more patient-specific implants; (3) an instrument, selected from one or more available instrument sizes and/or configurations; (4) an implant, selected from one or more available implant sizes and/or configurations; (5) instructions for which instrument(s) to select from available instrument sizes and/or configurations; (6) instructions for which implant(s) to select from available implant sizes and/or configurations; (7) instructions for proper positioning or anchorage of one or more instruments to be used in the procedure; and (8) instructions for proper positioning or anchorage of one or more implants to be used in the procedure. These items may be provided to the surgeon directly, or to a medical device company or representative, for subsequent delivery to the surgeon. 145 Added by DJM Jan 2024 1/6/24, 9:56 PM
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Delete 		PER-23 In a step 110, the manufactured instrumentation may be used in surgery to facilitate treatment of the condition. In some embodiments, this may include placing the modelled bone engagement surface against the corresponding contour of the bone used to obtain its shape, and then using the resection feature(s) to guide resection of one or more bones. Then the bone(s) may be further treated, for example, by attaching one or more joint replacement implants (in the case of joint arthroplasty), or by attaching bone segments together (in the case of arthrodesis or fracture repair). Prior to completion of the step 110, the instrumentation may be removed from the patient, and the surgical wound may be closed. 146 Added by DJM Jan 2024 1/6/24, 9:56 PM
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Delete 		PER-23 As mentioned previously, the method 100 may be used to correct a wide variety of bone conditions. One example of the method 100 will be shown and described in connection with FIG. 1B, for correction of a bunion deformity of the foot. 147 Added by DJM Jan 2024 1/6/24, 9:56 PM
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Delete 		PER-23 In certain embodiments, one or more of a method, apparatus, and/or system of the disclosed solution can be used for training a surgeon to perform a patient-specific procedure or technique. In one embodiment, the CAD model generated and/or patient-specific instrumentation, implants, and/or plan for conducting an operative procedure can be used to train a surgeon to perform a patient-specific procedure or technique. 148 Added by DJM Jan 2024 1/6/24, 9:56 PM
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Delete 		PER-23 In one example embodiment, a surgeon may submit a CT scan of a patient’s foot to an apparatus or system that implements the disclosed solution. Next, a manual or automated process may be used to generate a CAD model and for making the measurements and correction desired for the patient. In the automated process, an advanced computer analysis system, machine learning and automated/artificial intelligence may be used to generate a CAD model and/or one or more patient-specific instruments and/or operation plans. For example, a patient-specific instrument may be fabricated that is registered to the patient’s anatomy using a computer-aided machine (CAM) tool. In addition, a CAM tool may be used to fabricate a 3D structure representative of the patient’s anatomy, referred to herein as a patient-specific synthetic cadaver. (e.g., one or more bones of a patient’s foot). Next, the patient-specific instrument and the patient-specific synthetic cadaver can be provided to a surgeon who can then rehearse an operation procedure in part or in full before going into an operating room with the patient. 149 Added by DJM Jan 2024 1/6/24, 9:56 PM
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Delete 		PER-23 In certain embodiments, the patient-specific instrument or instrument can be used to preposition and/or facilitate pre-drilling holes for a plate system for fixation purposes. Such plate systems may be optimally placed, per a CT scan, after a correction procedure for optimal fixation outcome. In another embodiment, the CAD model and/or automated process such as advanced computer analysis, machine learning and automated/artificial intelligence may be used to measure a depth of the a through a patient-specific resection guide for use with robotics apparatus and/or systems which would control the depth of each cut within the guide to protect vital structures below or adjacent to a bone being cut. In another embodiment, the CAD model and/or automated process such as advanced computer analysis, machine learning and automated/artificial intelligence may be used to define desired fastener (e.g. bone screw) length and/or trajectories through a patient-specific instrument and/or implant. The details for such lengths, trajectories, and components can be detailed in a report provided to the surgeon preparing to perform a procedure. 150 Added by DJM Jan 2024 1/6/24, 9:56 PM
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Delete 		PER-23 FIG. 1B is a flowchart diagram depicting a method 120 for correcting or remediating a bone condition, according to one embodiment. The method 120 may be used to prepare for an orthopedic procedure which corrects or remediates a bone, muscle, deformity, and/or tendon condition of a patient. 151 Added by DJM Jan 2024 1/6/24, 9:56 PM
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Delete 		PER-23 As shown, the method 120 may begin with a step 122 in which a CT scan (or another three-dimensional image) of the patient’s foot is obtained. The step 122 may include capturing a scan of select bones of a patient or may include capturing additional anatomic information, such as the entire foot. Additionally or alternatively, the step 122 may include receipt of previously captured image data. Capture of the entire foot in the step 122 may facilitate proper alignment of the first metatarsal with the rest of the foot (for example, with the second metatarsal). Performance of the step 122 may result in generation of a three-dimensional model of the patient’s foot, or three-dimensional surface points that can be used to construct such a three-dimensional model. 152 Added by DJM Jan 2024 1/6/24, 9:56 PM
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Delete 		PER-23 After the step 122 has been carried out, the method 120 may proceed to a step 124 in which a CAD model of the relevant portion of the patient’s anatomy is generated. The CAD model may optionally include the bones of the entire foot, like the CT scan obtained in the step 122. In alternative embodiments, the step 124 may be omitted in favor of direct utilization of the CT scan data, as described in connection with the step 104. 153 Added by DJM Jan 2024 1/6/24, 9:56 PM
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Delete 		PER-23 In a step 126, the CAD model and/or CT scan data may be used to model patient-specific instrumentation that can be used to correct or remediate a bone condition. Such instrumentation may include a guide. In one example, the guide can seat or abut or contact a surface of a bone and including an opening that guides a trajectory for a fastener for a procedure. In some embodiments, performance of the step 126 may include modelling the guide with a bone engagement surface that is shaped to match contours of the surfaces of the bone, such that the bone engagement surface can lie directly on the corresponding contours of the bone. 154 Added by DJM Jan 2024 1/6/24, 9:56 PM
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Delete 		PER-23 In a step 128, the model(s) may be used to manufacture patient-specific instrumentation and/or instruments. This may include manufacturing an instrument with the bone engagement surface and/or other features as described above. As in the step 108, the step 128 may additionally or alternatively involve provision of one or more instruments and/or implants from among a plurality of predetermined configurations or sizes. Further, the step 128 may additionally, or alternatively, involve provision of instructions for placement and/or anchorage of one or more instruments and/or instruments to carry out the procedure. 155 Added by DJM Jan 2024 1/6/24, 9:56 PM
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Delete 		PER-23 In a step 130, the manufactured instrument may be used in surgery to facilitate treatment of the condition. In certain embodiments, a bone engagement surface of the instrument may be placed against the corresponding contours of the bone. The instrument may include an opening and/or trajectory guide to guide insertion of a trajectory guide such as a temporary fastener such as a K-wire. The instrument may then be removed, and the remaining steps of a surgical procedure performed. 156 Added by DJM Jan 2024 1/6/24, 9:56 PM
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Delete 		PER-23 Method 100 and method 120 are merely exemplary. Those of skill in the art will recognize that various steps of the method 100 and the method 120 may be reordered, omitted, and/or supplemented with additional steps not specifically shown or described herein. 157 Added by DJM Jan 2024 1/6/24, 9:56 PM
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Delete 		PER-23 As mentioned previously, the method 120 is one species of the method 100; the present disclosure encompasses many different procedures, performed with respect to many different bones and/or joints of the body. Exemplary steps and instrumentation for the method 120 will further be shown and described in connection with the present disclosure. Those of skill in the art will recognize that the method 120 may be used in connection with different instruments; likewise, the instruments of the present disclosure may be used in connection with methods different from the method 100 and the method 120. 158 Added by DJM Jan 2024 1/6/24, 9:56 PM
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Delete 		PER-23 FIG. 2A is a perspective dorsal view of a foot 200. The foot 200 may have a medial cuneiform 202, an intermediate cuneiform 204, lateral cuneiform 206, a first metatarsal 208, a second metatarsal 210, third metatarsal 212, fourth metatarsal 214, fifth metatarsal 216, navicular 218, cuboid 220, talus 222, and calcaneus 224, among others. The medial cuneiform 202 and the intermediate cuneiform 204 may be joined together at a first metatarsocuneiform joint, and the first metatarsal 208 and the second metatarsal 210 may be joined together at a second metatarsocuneiform joint. The foot 200 includes a set of proximal phalanges numbered first through fifth (230, 232, 234, 236, 238) and a set of distal phalanges numbered first through fifth (240, 242, 244, 246, 248) and a set of middle phalanges numbered second through fifth (250, 252, 254, 256). 159 Added by DJM Jan 2024 1/6/24, 9:56 PM
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Delete 		PER-23 FIG. 2B is a perspective lateral view of a foot 200, with bones of the foot labeled. 160 Added by DJM Jan 2024 1/6/24, 9:56 PM
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Delete 		PER-23 FIG. 2C is a perspective medial view of a foot illustrating a dorsal side 280 and a plantar side 282. The foot 200, as illustrated, may have a tibia 226 and a fibula 228, among others. Dorsal refers to the top of the foot. Plantar refers to the bottom of the foot. Proximal 284 is defined as “closer to the primary attachment point”. Distal 286 is defined as “further away from the attachment point”. Plantarflex or plantarflexion 288 means movement toward the plantar side 282 of a foot or hand, toward the sole or palm. Dorsiflex or dorsiflexion 290 means movement toward the dorsal side 280 of a foot or hand, toward the top. FIG. 2D is a perspective dorsal view of the foot 200. A transverse plane is the plane that shows the top of the foot. A lateral side 292 means a side furthest away from the midline of a body, or away from a plane of bilateral symmetry of the body. A medial side 294 means a side closest to the midline of a body, or toward a plane of bilateral symmetry of the body. For a Lapidus procedure, the intermetatarsal (IM) angle 296 is the angle to be corrected to remove the hallux valgus (bunion) deformity. 161 Added by DJM Jan 2024 1/6/24, 9:56 PM
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Delete 		PER-23 "Trajectory guide" or "trajectory indicator" or "targeting guide" refers to any structure, apparatus, surface, device, system, feature, or aspect configured to indicate, identify, guide, place, position, or otherwise assist in marking or deploying a fastener or other structure along a desired trajectory for one or more subsequent steps in a procedure. 71 Added by DJM Jan 2024 1/6/24, 9:56 PM
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Delete 		PER-23 "Trajectory" refers to a path a body travels or a path configured for a body to travel through space. (Search "trajectory" on wordhippo.com. WordHippo, 2023. Web. Modified. Accessed 13 June 2023.) 72 Added by DJM Jan 2024 1/6/24, 9:56 PM
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Delete 		PER-23 "Metatarsal base resection guide" refers to a resection guide designed, engineered, fabricated, or intended for use with, one, in, or about a base part, section, surface, portion, or aspect of a metatarsal for one or more steps of a medical procedure. The metatarsal base resection guide may be used to form an osteotomy, to resect a wedge for a closing wedge procedure, resect a bone wedge that preserves a cortical layer of bone opposite the resected bone wedge, form an osteotomy that uniplanar wedge, a biplanar wedge, or a triplane wedge. Various embodiments of a metatarsal base resection guide may be used on a medial surface, a dorsal surface, a lateral surface, or a plantar surface of a single metatarsal. Alternatively, or in addition, various embodiments of a metatarsal base resection guide can be used on two or more metatarsals. 73 Added by DJM Jan 2024 1/6/24, 9:56 PM

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