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The design module 450 designs a patient-specific instrument (or patient-specific instrument model) based on the preliminary instrument model. The design operation of the design module 450 may be completely automated, partially automated, or completely manual. A user may control how automated or manual the designing of the patient-specific instrument (or patient-specific instrument model) is. |
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The manufacturing module 460 may manufacture a patient-specific instrument 406 using the preliminary instrument model. The manufacturing module 460 may use a patient-specific instrument model generated from the preliminary instrument model. The manufacturing module 460 may provide the patient-specific instrument model to one or more manufacturing tools and/or fabrication tool (e.g., additive and/or subtractive). The patient-specific instrument model may be sent to the tools in any format such as an STL file or any other CAD modeling or CAM file or method for data exchange. In one embodiment, a user can adjust default parameters for the patient-specific instrument such as types and/or thicknesses of materials, dimensions, and the like before the manufacturing module 460 provides the patient-specific instrument model to a manufacturing tool. |
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Effective connection of the guide to one or more bones can ensure that surgical steps are performed in desired locations and/or with desired orientations and mitigate undesired surgical outcomes. |
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FIG. 5 illustrates an exemplary system 500 configured to generate one or more patient-specific instruments configured to correct a bone condition, according to one embodiment. The system 500 may include similar components or modules to those described in relation to FIG. 4. In addition, the system 500 may include a fixator selector 502 and/or an export module 504. |
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The fixator selector 502 enables a user to determine which fixator(s) to use for a MIS bunion correction procedure planned for a patient. In one embodiment, the fixator selector 502 may recommend one or more fixators based on the bone model 404, the location, the trajectory, or input from a user or a history of prior MIS bunion correction procedures performed. The fixator selector 502 may select a fixator model from a set of predefined fixator models or select a physical fixator from a set of fixators. The fixators may include a plate and associated accessories such as screws, anchors, and the like. |
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In one embodiment, the fixator selector 502 includes an artificial intelligence or machine learning module. The artificial intelligence or machine learning module is configured to implement one or more of a variety of artificial intelligence modules that may be trained for selecting fixator(s) based on anatomic data 412 and/or other input parameters. In one embodiment, the artificial intelligence or machine learning module may be trained using a large data set of anatomic data 412 for suitable fixator(s) identified and labeled in the dataset by professionals for use to treat a particular condition. The artificial intelligence or machine learning module may implement, or use, a neural network configured according to the training such that the artificial intelligence or machine learning module is able to select or recommend suitable fixator(s). |
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The export module 504 is configured to enable exporting of a patient-specific instrument model 462 for a variety of purposes including, but not limited to, fabrication/manufacture of a patient-specific instrument 406 and/or fixator(s), generation of a preoperative plan, generation of a physical bone model matching the bone model 404, and the like. In one embodiment, the export module 504 is configured to export the bone model 404, anatomic data 412, a patient-specific instrument model 462, a preoperative plan 506, a fixator model 508, or the like. In this manner the custom instrumentation and/or procedural steps for a procedure (e.g., a graft harvesting procedure, minimally invasive surgical (MIS) procedure, or the like) can be used in other tools. The preoperative plan 506 may include a set of step by step instructions or recommendations for a surgeon or other staff in performing a procedure (e.g., a graft harvesting procedure, minimally invasive surgical (MIS) procedure, or the like). The preoperative plan 506 may include images and text instructions and may include identification of instrumentation to be used for different steps of the procedure (e.g., a graft harvesting procedure, minimally invasive surgical (MIS) procedure, or the like). The instrumentation may include the patient-specific instrument 406 and/or one or more fixators/fasteners. In one embodiment, the export module 504 may provide a fixator model which can be used to fabricate a fixator for the procedure. |
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The exports (404, 412, 462, 506, and 508) may be inputs for a variety of 3rd party tools 510 including a manufacturing tool, a simulation tool, a virtual reality tool, an augmented reality tool, an operative procedure simulation tool, a robotic assistance tool, and the like. A surgeon can then use these tools when performing a procedure or for rehearsals and preparation for the procedure. For example, a physical model of the bones, patient-specific instrument 406, and/or fixators can be fabricated, and these can be used for a rehearsal operative procedure. Alternatively, a surgeon can use the bone model 404, preliminary instrument model 438, and/or a fixator model to perform a simulated procedure using an operative procedure simulation tool. |
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Referring now to FIGS. 3-5, certain methods, systems, and/or apparatuses are disclosed herein for preparing for, planning, outlining, and/or instrumenting, one or more surgical procedures. Alternatively, or in addition, the methods, systems, and/or apparatuses a disclosed herein can be used for preoperative development and design of systems, instrumentation, and/or implants and/or for preoperative rehearsal and/or instruction of a surgeon before the surgical procedure. For example, a surgeon can use the method 300, bone model(s) 404, patient instrument(s) 406, system 400, and/or apparatus 402 to perform a mock surgical procedure virtually before an actual surgical procedure. |
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These techniques and/or technologies can greatly advance the medical field and provide valuable instruction and experience to a surgeon prior to an actual surgical procedure. Furthermore, these techniques and/or technologies are made effective owing to the accuracy and precision of the models because of the fidelity of the medical imaging of the patient anatomy. This virtual modeling of patient anatomy has become very accurate and helpful, particularly for hard tissue such as bones and the surfaces of these bones. |
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Unfortunately, the fidelity and accuracy of these models is not as advanced with respect to the modeling of soft tissue of a patient such as sinews, skin, tendons, ligaments, muscles, fat, and the like. Thus, rehearsal of a surgical procedure, particularly one that includes translating and/or reorienting one or more bone fragments may have limited benefits. In such cases, because the surgeon cannot predict or know beforehand how much movement and reorientation the soft tissue of a patient will permit, the surgeon may need to revise or adapt a surgical procedure intraoperatively to achieve optimal outcomes. The system, apparatus, and methods of the present disclosure enable a surgeon to make intraoperative adjustments to surgical plan based on what the surgeon learns during the surgery. |
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The present disclosure leverages the use of models, such as computer models, and particularly models of a specific patient to provide and/or generate instrumentation, implants, and/or surgical plans that advanced patient care. Advantageously, these models are unique and customized for a particular patient. Thus, the models reflect the actual anatomical features and aspects of the patient. |
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However, the utility and helpfulness of the models, methods, systems, and/or apparatuses of FIGS 3-5, may be dependent on how effectively a surgeon can navigate within, on, or in relation to one or more anatomical references or anatomical features of a patient such that the steps of the surgical procedure can be performed on a patient in the same manner as those modeled using models of the anatomy of the patient. This process of navigation is referred to as a mapping or translation between the virtual or model environment to a physical or real world environment that includes the patient anatomy and the operating field. |
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Advantageously, the models, methods, systems, and/or apparatuses of the present disclosure facilitate mapping or translating between a virtual or model environment and/or instrumentation to a physical or real world environment for a surgical procedure. The present disclosure provides this feature or benefit by providing an apparatus, system, and method, that enables a surgeon to identify, create, form, and/or use reference features for a surgical procedure. The reference feature provides a reference and/or starting point on, in, or associated with anatomy of a patient such that steps, stages, features, or aspects planned and configured within the model can be accurately performed on, with, or to the anatomy of the patient. In certain embodiments, one or more steps of a surgical procedure can be done in connection with or in relation to the reference feature. |
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The reference feature facilitates moving from one coordinate system or frame of reference in a virtual environment to a position, location, frame of reference, environment, or orientation on, or in, an actual object, structure, device, apparatus, anatomical structure, or the like. Advantageously, the reference feature can coordinate objects, models, or structures in a digital or virtual model or representation with corresponding objects or structures (e.g., anatomical structures) of actual physical objects or structures. Said another way, the reference feature can serve to map from a virtual or modeled object to an actual or physical object. |
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Advantageously, the embodiment of the present disclosure include features and aspects that assist a surgeon in locating at least one reference feature, which can then be used in one or more stages of a surgical procedure. In certain embodiments, the actual instruments fabricated using the present disclosure may include one or more references (e.g., a model references). The one or more model instruments may use the one or more references to position and/or orient the one or more model instruments such that other steps of a surgical procedure can be performed in relation to those one or more model instruments and/or model references. Certain model references may key off or related to anatomical references of modeled anatomical body parts. The reference feature(s) correspond to the model references and together enable a surgeon to identify reference features on actual anatomy of a patient for a surgical procedure. |
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In certain embodiments, one or more fasteners deployed in an instrument such as a resection guide can serve as reference features, for an initial stage of the surgical procedure and/or for subsequent stages of the surgical procedure. In certain embodiments, a bone engagement feature can serve as a reference feature for an osteotomy system and/or surgical procedure. |
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Advantageously, the embodiments of the present disclosure leverage patient-specific models of patient anatomy and the use of these models to generate patient-specific instruments as well as input from users of the osteotomy (e.g., surgeons). In one embodiment, this input is provided in the form of user directions. Combining patient-specific medical imaging, patient-specific anatomical models, and user directions enable the present disclosure to provide a customized or patient-specific osteotomy that serves the patient’s needs as well as aides the surgeon in performing the surgical procedure. In this manner, a surgeon can perform the surgical procedure with higher confidence and assurance that the procedure performed on the patient will coincide with the plan set forth using models in a virtual environment. Consequently, the present disclosure improves the level of patient care and positive outcomes. |
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FIG. 6 illustrates an exemplary system 600 configured to design, generate, develop, and/or produce an osteotomy system, according to one embodiment. In certain embodiments, the osteotomy system can be patient-specific. One advantage of the present disclosed embodiments is that an end user of an osteotomy system (e.g., instruments, preoperative plan, implants, etc.) can have as much, or as little control or input, over one or more or all of the aspects of the osteotomy system. Furthermore, this osteotomy system can be customized both to the needs and specific aspects of the patient as well as to the needs and/or preferences and/or desires of the user (e.g., surgeon). |
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The system 600 may include similar components or modules to those described in relation to FIG. 4. The structures, features, and functions, operations, and configurations of the system 600 may be similar or identical to components or modules of system 400, like parts identified with similar reference numerals. Accordingly, the system 600 may include an apparatus 602 configured to accept, review, receive or reference a bone model 404 and user instructions 604 and provide a patient-specific osteotomy system 606. In one embodiment, the apparatus 602 is a computing device. In another embodiment, the apparatus 602 may be a combination of computing devices, systems, apparatuses, software components, single software component such as a software application, one or more third party manufacturers, or the like. |
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