Abstract: This disclosure relates to systems and methods for repairing bone deformities. The systems may include one or more guides for positioning instruments relative to bones and/or joints.

Abstract: A method includes receiving by a controller, a surgeon-specific surgery profile for an implantation of an implant into a joint, implant profiles, a patient-specific post-surgery desired functional profile of the joint after the implantation, and bone registration data for a first bone member and a second bone member of a patient are inputted into a surgical plan model to generate a surgical plan. The surgical plan model is designed to achieve the patient-specific post-surgery desired functional profile based at least in part on a plurality of dependencies between a plurality of surgical parameters, the implant profiles, at least one functional parameter representative of the expected functional performance of the joint, and movement-related data of the joint. The surgical plan is outputted on a graphical user interface (GUI) on a surgery assistant device to facilitate the implantation.

Abstract: A support mechanism for a medical device may include an adjustable support that includes a plurality of elongate members movable relative to one another. The support mechanism may also include a bracket coupled to the adjustable support. The bracket may be adapted to be coupled to a first medical device that extends along a longitudinal axis. The support mechanism may also include an instrument holder that extends along a central axis. The instrument holder may be movably coupled to the bracket and adapted to be coupled to a second medical device. The bracket and the instrument holder may be oriented such that central axis of the instrument holder intersects the longitudinal axis at an angle.

Abstract: A number of improvements are provided relating to computer aided surgery utilizing an on tool tracking system. The various improvements relate generally to both the methods used during computer aided surgery and the devices used during such procedures. Other improvements relate to the structure of the tools used during a procedure and how the tools can be controlled using the OTT device. Still other improvements relate to methods of providing feedback during a procedure to improve either the efficiency or quality, or both, for a procedure including the rate of and type of data processed depending upon a CAS mode.

Abstract: A bone cut guide includes a first portion having a first cut slot and having an aperture for receiving a wire to connect the first portion to a first bone. A second portion has a second cut slot and a second aperture for receiving a second wire to connect the second portion to a second bone. The first portion and the second portion are movably connected to each other to allow the first bone and the second bone to move relative to each other.

Abstract: In some embodiments, the present disclosure relates to a system that includes an insertion tool and a drill guide. The insertion tool includes a body with a distal portion and a distal end. The body has a first engagement feature extending longitudinally along the distal portion and two arms extending longitudinally from the distal end of the body. The drill guide includes two bores and an open faced channel therebetween. The open faced channel includes a second engagement feature slidably engageable with the first engagement feature on the body of the insertion tool. The two bores are adapted for the disposal of a fastener driver tool therethrough.

Abstract: A neck trial (170) is disclosed. The neck trial has a body (182) and a neck (186). The body has an exterior surface. The neck extends away from the body along a neck axis (190). At least one first line (194) is provided on the exterior surface, which extends in a first direction parallel to an inferior-superior axis of a patient when in use. At least one second line (196) is provided on the exterior surface, which extends in a second direction parallel to a medial-lateral axis of the patient in use. The number of first lines, or the position of the first line or lines relative to the second line or lines, is indicative of an amount of offset in the medial-lateral direction caused by the neck trial. The number of second lines, or the position of the second line or lines relative to the first line or lines, is indicative of an amount of leg-length in the inferior-superior direction caused by the neck trial. A kit of parts, a trial assembly and a method of trialling a joint of a patient are also disclosed.

Abstract: Embodiments of the present application provide technologies related to adaptive surgeon-specific instrumentation, unique preparatory tools and procedures for bone resection and implant devices, and systems for selection of implantation preparatory tools for implantation procedures. The embodiments described herein may, for example, be utilized in connection with knee arthroplasty procedures.

Abstract: The present invention provides a jig for shoulder replacement surgery. In particular the present invention provides a pre-assembled jig that facilitates and guides the placement of glenoid component of the implant in shoulder replacement surgery. The present jig (P) is pre-assembled to ensure precision alignment, placing and sizing of the glenoid component of the implant for shoulder replacement surgery based on the difference of cuts in millimeters instead of the usual version measurements in degrees. The present invention (P) guides the glenoid component of shoulder replacement in the precise position and thereby provides accuracy in placement of the component.

Abstract: An accurate and precise surgical guide for dental procedures, especially a procedure involving a subject with few or no teeth as well as methods for making and use of such guides.

Abstract: A bone void forming assembly includes a support member having a head portion and an elongate portion extending therefrom. A guide member is connected to the support member and has a guide body including a channel extending therethrough. The channel defines an axis offset and obliquely angled relative to an axis of the elongate portion. The assembly also includes reamer having a cutting head and a stop member. A bushing is slidably connected to the reamer between the stop member and cutting head and is slidably connectable to the guide body via the channel.

Abstract: Certain aspects relate to a two-part surgical guide system for use in surgical procedures such as osteotomies. Certain aspects provide a first part including a contact surface configured to conform to a portion of an anatomy of the patient to substantially restrict movement of the first part with respect to the anatomy of the patient. The first part further includes guiding elements configured to receive reference pins and guide placement of the reference pins in the anatomy of the patient. Certain aspects further provide a second part, separate from the first part. The second part includes apertures. Each aperture is configured to receive a reference pin and substantially restrict movement of the second part with respect to the anatomy of the patient. The second part further includes a functional element for guiding a procedure on the anatomy of the patient.

Abstract: Disclosed is are various methods of preparing a tibial intramedullary canal for receiving a tibial implant, methods of preparing a talus for receiving a talar implant, and some examples of a power driver adapter that can be used to carry out the preparation of the tibial intramedullary canal.

Abstract: An accurate and precise surgical guide for dental procedures, especially a procedure involving a subject with few or no teeth as well as methods for making and use of such guides.

Abstract: A surgical instrument having a first assembly with a first radio-opaque portion providing a profile of a first portion of an intramedullary implant or canal in a bone, and a second assembly having a second radio-opaque portion providing a profile of a second portion of the intramedullary implant or canal. The surgical instrument may also include a third radio-opaque portion providing an alignment feature to provide a fluoroscopic planar check for the surgical instrument.

Abstract: An implant resection system for preparing an implant site to replace a defect in an articular surface of a first bone includes a guide configured to be coupled generally perpendicular to the first bone proximate to the defect. The guide includes a body portion defining a plurality of excision passageways. The excision passageways each define a generally cylindrical core pathway configured to extend generally perpendicular to the first bone which partially overlaps with an adjacent generally cylindrical core pathway. A projection associated with each of the plurality of the generally cylindrical core pathways defines a truncated cylindrical excision site extending through a portion of the articular surface. Each truncated cylindrical excision site partially overlaps with at least one adjacent truncated cylindrical excision site.

Abstract: Methods, systems and devices for pre-operatively planned shoulder surgery guides and implants. Pre-operative planning methods for designing a shoulder surgery guide based on considerations of multiple factors affecting the outcome of shoulder surgery. Methods of using surgery guides and implants in patients undergoing shoulder surgery.

Abstract: A cut guide includes a first face and an opposed second face. The cut guide further includes a first aperture and a second aperture extending through the cut guide from the first face to the second face. The first and second apertures are configured to guide a surgical tool in cutting a bone. The cut guide further includes a first hole extending through the cut guide from the first face to the second face. The cut guide further includes a second hole extending through the cut guide. A central axis of the second hole is oriented at an acute angle to the second face. The first and second holes are configured to receive a wire to position the guide against the bone.

Abstract: A method of performing arthroplasty of an anatomical joint for receipt of an implant is disclosed. The method includes developing a preoperative plan, designing a patient specific guide based on the preoperative plan, obtaining the patient specific guide, placing the patient specific guide relative to the identified bone, fixing a pair of pins into the bone to establish an Alpha plane and executing the preoperative plan while referencing the Alpha plane. A desired amount of remaining first bone is determined based on a condition of the anatomical joint and a desired orientation of the implant. The patient specific guide includes a pair of bores defined therein and located in positions to accept a complementary pair of pins. The bores are arranged at locations on the patient specific guide to orient the respective pins in a direction optimized for surgeon access to the first bone and to establish the Alpha plane.

Abstract: A surgical guide device can be attached to a patient's bone for assisting an open wedge osteotomy. This device includes two parts which are joined together by way of removable securing unit, namely: a proximal part, including a lower border defining at least one portion of the upper edge of a guide window, and a distal part having an upper edge defining at least one portion of the lower edge of the guide window. The proximal and distal parts are each provided with a plurality of through holes adapted for receiving members temporarily implantable in the bone and/or adapted to guide a drilling of holes in the bone. The arrangement of the through holes of the surgical guide device advantageously takes into account the planned open wedge osteotomy and anticipates the final position of the screw locations of the reported osteosynthesis plate for freezing the two bone fragments.

Abstract: An accurate and precise surgical guide for dental procedures, especially a procedure involving a subject with few or no teeth as well as methods for making and use of such guides.

Abstract: A minimally invasive method of correcting a bunion includes performing an osteotomy to divide the metatarsal into first and second portions, implanting a nail in the first portion, securing a suture to the joint capsule, tensioning the suture to align the great toe with the metatarsal, attaching the suture to the nail, and fastening the nail to the second portion. A first guide block includes a plurality of coplanar passages to guide an instrument to create one or more holes in the metatarsal in advance of the osteotomy, and a second guide block includes a guide slot for another instrument to complete the osteotomy. The method can be performed through an incision of 0.5 inches or less. The nail includes an anchor portion for anchoring in the first portion, a head for attachment to a second portion, and can include a passage for attachment of the suture.

Abstract: Methods and devices for performing an osteotomy on a bone are presented. In one example of the invention, a method of performing an osteotomy on a bone includes removing a portion of bone from a first side of the bone to create a gap on the first side of the bone; making a cut on a second side of the bone, opposite the first side; and rotating the bone from a first position to a second position to close the gap on the first side of the bone and open the cut on the second side of the bone to create a gap on the second side of the bone.

Abstract: A touch/orientation apparatus having, for orienting a saw template: an adjusting element, a moving element having a profiled indentation, a feeler that is movable relative to the adjusting element, a scale for measuring the height of the adjusting element relative to the moving element, at least one first stop formed on the adjusting element, and at least one second stop formed on the scale or acting as a scale and being provided and adapted to function as a resistance to the first stop. The second stop and/or the first stop resiliently deflects the respective other stop.

Abstract: Various embodiments disclosed herein relate to a humeral resection guide. The humeral resection guide can include a cutting block having a side surface and a cutting surface. The cutting surface can be configured to constrain at least one degree of freedom of movement of a cutting instrument during surgical alteration of the humerus. The humeral resection guide can include a boom extending away from the cutting surface of the cutting block, the boom comprising a cut depth adjustment feature disposed along at least a portion of a length of the boom. The humeral resection guide can include a cut depth indicator disposed at a population derived location along the length of the boom. The cut depth indicator can be configured to indicate that the cutting surface is at a target cut depth for the alteration of the humerus when the cut depth indicator is aligned with a support.

Abstract: A bone cutting guide may include a support that contains a shaft movable relative to the support. The shaft may carry a guide member having one or more cut guides through which a clinician inserts a cutting member to cut bone positioned under the guide cut guides. In operation, a clinician may fixate the support of the bone cutting guide to a bone and translate the guide member until the one or more cut guides are positioned at a desired cut location. The clinician may then perform a cut through the cut guide.

Abstract: In various embodiments, a targeting guide is disclosed. The targeting guide includes a handle defining a targeting hole and a targeting tower configured to be coupled to the handle. The targeting tower defines at least a first guide hole and a second guide hole. Each of the first and second guide holes are sized and configured to receive a respective first guide pin and second guide pin therethrough. The first and second guide pins are configured to indicate alignment of a k-wire inserted through the targeting hole defined by the handle. Methods of using a targeting guide are also disclosed.

Abstract: In some embodiments, the present disclosure relates to a system that includes an insertion tool and a drill guide. The insertion tool includes a body with a distal portion and a distal end. The body has a first engagement feature extending longitudinally along the distal portion and two arms extending longitudinally from the distal end of the body. The drill guide includes two bores and an open faced channel therebetween. The open faced channel includes a second engagement feature slidably engageable with the first engagement feature on the body of the insertion tool. The two bores are adapted for the disposal of a fastener driver tool therethrough.

Abstract: A device for preparing a femur of a patient for receipt of a knee implant in both extension and flexion relative to a resected tibia plateau based on applying tension to medial and lateral collateral ligaments of said patient, comprising a tibial baseplate, a tensioner, the tensioner comprising a tensioner body having a tensioner portion, the tensioner portion affixed to the tibial baseplate, and an expander arm comprising an elongated body portion, a superior side of the elongated body portion having a spiked tip adjacent a posterior end thereof. The spiked tip interacts with an intracondylar notch under tension. The expander arm is operatively connected to the tensioner body via the tensioner portion, the tensioner portion configured for use in selectively raising and lowering the expander arm relative to the tibial baseplate to apply tension to the medial and lateral collateral ligaments in extension or flexion.

Abstract: A system that provides a guide arm, a ratchet arm frame configured to be coupled 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. The first radiopaque object has a length that corresponds to a length of a second prosthesis component. When the surgical alignment system is positioned for use on a patient, the first radiopaque object identifies a location at which a first resection of a first bone is to be performed. The second radiopaque object has a profile that corresponds to a profile of a first prosthesis component for installation on a second bone.

Abstract: A bone displacement system includes an anchoring portion, a tool engaging portion, a compression distraction mechanism, a lateral body and a distal body. The anchoring portion has an aperture for receiving a wire to connect the anchoring portion to a proximal bone. The anchoring portion is connectable to a downwardly depending member for holding a tissue portion. The tool engaging portion is connected to the anchoring portion and is configured to connect a tool thereto. The compression-distraction mechanism is connected to the anchoring portion. The lateral body is connected to the compression-distraction mechanism and engageable with a lateral bone. The distal body is connected to the compression-distraction mechanism. The distal body has an aperture for receiving a wire to connect the distal body to a distal bone. The compression-distraction mechanism is configured to move the anchoring portion relative to the distal body.

Abstract: A kit of parts for use in a unicondylar knee replacement procedure having a keel punch, a unicondylar tibial trial and an impactor. The keel punch including a cutting formation on the inferior side configured to form a slot in a resected part of a patient's tibia, and a first attachment formation on the superior side. The unicondylar tibial trial having a body defining a slot passing therethrough between an upper surface and a lower surface that extends parallel to a longitudinal axis extending from an anterior end to a posterior end of the body. The slot configured to slidably receive the keel punch. The impactor includes a second attachment formation and is releasably attachable to the keel punch by slidingly engaging the second attachment formation with the first attachment formation. An assembly for use in and methods of trialing during a unicondylar knee replacement procedure are also disclosed.

Abstract: Patient specific instruments, systems and methods for maintaining, correcting and/or resurfacing joint surfaces. A tibia alignment guide including a body with a first surface and a second surface, a base portion coupled to and extending away from the first surface of the body, and a tower portion coupled to and extending away from a top surface of the body.

Abstract: The presently disclosed invention relates to devices and methods for conducting bone surgery on an animal using a bone surgery tool comprising a base, a fixed arm fixed to the base, the fixed arm including a shoulder and a jaw, a sliding arm releasably fixable to the base, the sliding arm including a head that receives an implant and a cartridge in a slot, the method comprising hooking the bone with the jaw, moving the head toward the jaw capturing the bone, accessing the bone with a drill through cartridge bores in the cartridge, and drilling holes, accessing the bone with a self-shearing screw attached to a screw driver through cartridge bores in the cartridge, and attaching the implant to the bone, and moving the head away from the jaw releasing the bone.

Abstract: A targeting guide is disclosed includes a handle extending substantially along a longitudinal axis. The longitudinal handle defines one or more burr holes extending from a first side of the handle to a second side of the handle. A head is coupled to a distal end of the longitudinal handle. The head defines a plurality of guide holes sized and configured to receive a k-wire therethrough.

Abstract: The present invention relates generally to minimally invasive, cost-effective, adaptable methods, systems, and devices used to repair anatomical joint conditions. The repair may be necessitated by trauma, disease or other conditions. The anatomical joint may specifically include mammalian joints such as the knee, shoulder, elbow, wrist, finger, hip, spine, toe and ankle, for example. The methods, systems, and devices disclosed herein include leveraging the significant (and often unappreciated) role the subchondral bone plays in the health status of the afflicted anatomical joint.

Abstract: Described within are systems, methods and apparatus for a bone mounted robotic-assisted orthopedic surgery system for precise implant position, soft tissue balancing and guidance of tools during a surgical procedure, particularly partial or total knee replacement procedure. The system features a bone mounted robotic arm with end-effector for precise positioning of surgical tool, positioning of implants and balancing of soft tissues. The reconfigurable robotic system requires minimal training by surgeons, is intuitive to use similar to conventional instrumented surgery and has a small footprint. The system works with existing, conventional instruments, patient specific instruments, sensor-assisted systems and computer-assisted systems and does not require increased surgical time and safely provides the enhanced precision achievable by robotic-assisted systems and computer-assisted technologies.

Abstract: Guides, systems, and methods for maintaining, correcting and/or fusing joint deformities are disclosed. The guide system including a cut guide, an alignment guide, and at least one directional wire. The cut guide including a base portion, an extension member extending away from a bottom surface of the base portion, and at least one arm extending away from an end of the base portion. The alignment guide, including a base portion, a first extension member extending away from a bottom surface of the base portion in a first direction, and a second extension member extending away from the bottom surface of the base portion in a second direction. Methods of using a guide system for maintaining, correcting and/or fusing joint deformities are also disclosed.

Abstract: A device comprises a base. A support is attached to the base. The support is shaped to receive a calf of a person and adapted to receive a wire or pin for securing a tibia of a person. A foot plate is attachable to the base. The foot plate has a plurality of attached members. The members are configured for receiving at least a first wire or pin to fix a foot of the person relative to the foot plate while the foot plate is oriented normal to a superior-inferior direction of the foot. The foot plate is rotatable relative to the base while the foot plate is attached to the base.

Abstract: A robotic surgery system includes a robotic manipulator and a cutting guide to be coupled to the robotic manipulator. The cutting guide is configured to guide a cutting tool so that the cutting tool cuts tissue of the patient. A control system is coupled to the robotic manipulator to control a location of the cutting guide and/or the cutting tool relative to the tissue.

Abstract: A method and one or more devices for a capitolunate fusion includes a cutting block for attaching to the capitate bone and for cutting the capitate and lunate bones to fit a corresponding plate. The cutting block is removed and a fusion plate is fixed to the capitate and lunate bone with the plate having a capitate section and a lunate section with the capitate section and lunate section of the plate in a generally perpendicular arrangement to allow optimal fusion of the capitate and lunate bones. Further devices include a three and four bone fusion cutting block and fusion plate.

Abstract: An implant having a unitary body includes an intramedullary portion and an extramedullary portion. The intramedullary portion is sized and structured to be received within an intramedullary canal of a first bone and defines a longitudinal axis. The extramedullary portion includes a surface defining an axis that is disposed at an angle with respect to the longitudinal axis. An aperture defined along the extramedullary portion is sized and configured to receive a fastener therein for coupling the extramedullary portion of the implant to a second bone.

Abstract: Methods of designing and manufacturing a number of low-profile metallic customized, patient-specific orthopaedic surgical instruments are disclosed.

Abstract: Systems (100, 900, 1100), devices, and methods may be used to print or use a patient-specific waterjet cut guide (104, 302, 902, 1102). A method may include receiving, at a processor, image data of a bone (102, 308) of a patient (702), rendering a model of the bone (102, 308) (704) and generating a cut guide model using the model of the bone (102, 308) (706). The method may include printing, using a three-dimensional (3D) printer, a waterjet cut guide (104, 302, 902, 1102) using the cut guide model. A method may include using the patient-specific waterjet cut guide (104, 302, 902, 1102) to perform a resection using a waterjet cutting device, the waterjet cutting device including a nozzle (108, 306, 406, 500A, 500B) insertable into a cut guide slot (106B, 304, 310, 906, 1104) of the patient-specific waterjet cut guide (104, 302, 902, 1102).

Abstract: The present disclosure provides for a wrist arthroplasty system and method that enable an expedient surgical procedure, maintain wrist motion, and reduce the likelihood of implant loosening. The system includes a capitate implant, a radial implant, and a resection instrument. The capitate implant includes a convex head formed to interface with a concave socket of the radial implant. The capitate implant includes a single stem formed to be secured within a patient's capitate bone. The radial implant includes lips formed to increase wrist joint motion and to help prevent dislocation of the capitate implant from the radial implant. The resection instrument may be used in combination as a measurement tool for determining the proper implant size, a guide for properly positioning the implants, and a trial tool for testing trial implant components before securing the final radial and capitate implants.

Abstract: A footplate assembly for ankle includes a footplate base; a slider arm that is rotatably coupled to the footplate base, the slider arm being configured to be couplable to external ankle instrumentation; a locking fastener configured to lock the slider arm in a chosen orientation relative to the footplate base; and a knob coupled to the footplate base having a scale to display the angle of the slider arm relative to the footplate base.

Abstract: A stemless humeral head replacement system including a base plate and a humeral head implant. The base plate includes a bone facing side, an implant side opposite the bone facing side, a curvate perimeter, at least one fin protruding from the bone facing side a first distance and extending linearly a length along the bone facing side, and an implant engagement structure on the implant side. The humeral head implant includes a curvate implant surface and a base plate engagement structure opposite the curvate implant surface, the base plate engagement structure configured to couple to the implant engagement structure of the base plate.

Abstract: A system determining a location for a surgical procedure, the system including a jig having a frame, a first marker fixed to the frame, wherein the first marker includes a scanable label, and a second marker moveably connected to the frame, such that the second marker can move positions independent of the frame, and wherein the second marker includes a scanable label. The system also includes a mixed reality headset configured to scan the scanable label of the first marker and the scanable label of the second marker, to provide location data to the mixed reality headset.

Abstract: An orthopaedic surgical instrument includes a polymer cutting block having a number of metallic cutting guides secured thereto. A pair of metallic bushings function as saw stops at the medial and lateral ends of the cutting slot during an orthopaedic surgical procedure.

Abstract: A device comprises a base. A support is attached to the base. The support is shaped to receive a calf of a person and adapted to receive a wire or pin for securing a tibia of a person. A foot plate is attachable to the base. The foot plate has a plurality of attached members. The members are configured for receiving at least a first wire or pin to fix a foot of the person relative to the foot plate while the foot plate is oriented normal to a superior-inferior direction of the foot. The foot plate is rotatable relative to the base while the foot plate is attached to the base.