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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 includes 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 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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The apparatus 602 may include a determination module 610, a location module 620, a provision module 630, an optional registration module 640, a design module 650, a selection module 660, and an export/fabrication module 670. Each of which may be implemented in one or more of, software, hardware, or a combination of hardware and software. In certain embodiments, one or more parts of the system 600 may be operated by a user (e.g., a technician), a plurality of users, and may include input, involvement, and/or feedback from an end user of the osteotomy system developed. Generally, the end user of the osteotomy system will be a surgeon. Those of skill in the art will appreciate that depending on the surgical procedure being performed, one or more of the modules of the apparatus 602 may or may not be used. |
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The determination module 610 may operate in a similar manner to the determination module 410. The location module 620 may operate in a similar manner to the location module 420. The provision module 630 may operate in a similar manner to the provision module 430. The registration module 640 may operate in a similar manner to the registration module 440. |
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The design module 650 enables one or more users to design a system 606 and in particular a patient-specific system 606. A patient-specific system 606 can include a number of different instruments, components, and/or systems, including but not limited to one or more cutting tools, one or more resection guides, one or more provisional fasteners, one or more fixation systems and/or instruments, a preoperative plan, one or more kits of implants and/or trial components, one or more alignment guides, one or more positioning guides, one or more reduction guides, one or more, one or more navigation guides, one or more fixation guides, one or more, one or more compression guides, one or more rotation guides, and the like. In addition, one or more of these components can be patient-specific. For example, the patient-specific system 606 can include a patient-specific instrument, patient-specific trajectory guide, a patient-specific resection guide, a patient-specific cutting guide, a patient-specific positioning guide or positioner, another patient-specific instrument, or the like. |
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Alternatively, or in addition, the patient-specific system 606 can include one or more subparts or components of each of the instruments, components and/or systems of the patient-specific system 606. For example, in one embodiment, the design module 650 may enable a user and/or end user to determine and/or define a number, size, shape, position, orientation, trajectory and/or configuration for one or more bone attachment features, a number, size, shape, position, orientation, trajectory and/or configuration for one or more resection features, a number, size, shape, position, orientation, trajectory and/or configuration for one or more bone engagement features, a number, size, shape, position, orientation, trajectory and/or configuration for one or more bone engagement surfaces, a number, size, shape, position, orientation, trajectory and/or configuration for one or more fixators (either or both provisional or permanent), and the like. |
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Those of skill in the art will appreciate that the design module 650 offers a large variety of different options and combinations for the constituents of the patient-specific system 606 as well as a plurality of options for the components of the patient-specific system 606 and that such options may be overwhelming. Advantageously, the surgical procedure to be performed, the bone model 404, and user instructions 604 each alone and/or in combination define an initial set of members for the patient-specific system 606. For example, certain well known surgical techniques have specific names and surgeons understand and/or have experience doing these procedures and therefore know what instruments will be needed for the surgical procedure. |
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In addition, each surgeon is different just as each patient is different. Therefore, surgeon experience and/or preferences may factor into the members of the patient-specific system 606 a particular surgeon wants and/or the configuration of the members of the patient-specific system 606. For example, where one surgeon may prefer to use two resection guides another surgeon may want to use one resection guide and perform other osteotomies for the surgical procedure manually or free-hand. |
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Based on the surgical procedure to be performed, many decisions about the design and/or make up of the patient-specific system 606 can be made as recommendations and/or proposals by a technician to a surgeon. These decisions can be based in whole or in part on the surgical procedure to be performed, the bone model 404 and/or the user instructions 604. |
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