Abstract: A radially compressive implant, which includes a central vertical axis, is configured to transition between a natural shape and an insertion shape. A transition of the implant from the natural shape to the insertion shape facilitates the implant storing energy deliverable radially relative to the central vertical axis. A transition of the implant from the insertion shape toward the natural shape facilitates the implant delivering the energy stored therein radially relative to the central vertical axis. An implant delivery device in an implant engagement position is configured to engage the implant and constrain the implant in the insertion shape. The implant delivery device in an implant release position is configured to release the implant.

Abstract: A surgical instrumentation system for a shoulder arthroplasty that includes a retractor that includes a curved section structured to wrap around and substantially engage a posterior portion of a humeral head, an alignment guide extending from the retractor. The alignment guide includes a primary alignment shaft and a resection guide attachable to the retractor, the resection guide including a guide surface for guiding a cutting tool.

Abstract: Instruments and methods for delivering bone cement are disclosed herein. In one exemplary embodiment, the instrument includes a cannulated bone screw having a head that is configured to be received within a rod receiver and a shank extending distally from the head and configured to extend distally from the rod receiver, a cannulated shaft having a distal end configured to extend into the shank of the cannulated bone screw and a proximal end configured to couple to a bone cement delivery system, and a retaining sleeve disposed around at least a portion of the cannulated shaft. The head of the bone screw has proximal and distal recesses therein, and a distal end of the retaining sleeve is configured to couple to the proximal recess.

Abstract: The various embodiments disclosed herein relate to bone fixation or fusion devices, including intramedullary fixation or fusion devices that are implanted around the target bone. Certain device embodiments relates to devices that can be bent or otherwise deformed to replicate the natural or desired curve of the bone or joint being treated. In addition, other embodiments relate to implantation devices that can be used to implant or position the bone fixation or fusion devices.

Abstract: A plate for attaching to an anatomic structure with fasteners. A body defines openings for receiving the fasteners, and includes a bottom surface that is concave. The plate includes bone pad surface, and a spike extends away from the bone pad surface. The bone pad surface is oriented at an angle relative to the bottom surface to prevent further penetration of the spike into the anatomic structure beyond a predetermined depth. The bone pad surface may be oriented at an obtuse angle relative to the bottom surface. The bone pad surfaces may be planar or concave, or contoured to a corresponding profile of the anatomic structure. The spikes may be pyramidal or conical. At least one side of the spike may be integral and continuous with the bottom surface. The side may have a radius of curvature equal to that of the bottom surface.

Abstract: An implantable body for a posterior stabilization system includes a lateral end, a medial end, an inwardly facing surface configured to abut against a lamina when the body is implanted along a vertebra. A lateral bone outrigger extends from the inwardly facing surface and may include a bone-abutting surface along a medial portion disposed to abut against a lateral mass of the vertebra when the body is implanted along a vertebra. The lateral bone outrigger may have a first height. A penetrating feature extends from the inwardly facing surface between the bone-engaging portion of the inwardly facing surface and the lateral bone outrigger. The penetrating feature may have a second height less than the first height. A fastener bore extends through the body at an angle toward the lateral bone outrigger.

Abstract: Anatomic points within the body are projected outside the body through the use of extenders. The projected points may then be used for measurement, or to facilitate the selection or configuration of an implant that is to be positioned proximate the anatomic points. Such an implant may be a rod for a posterior spinal fusion system. Pedicle screws may be implanted into pedicles of the spine, and may then serve as anchors for the extenders. The extenders may have rod interfaces that receive the rod in a manner that mimics the geometry of the pedicle screws so that the selected or configured contoured rod will properly fit into engagement with the pedicle screws.

Abstract: Embodiments described herein provide an implant for rigid intramedullary fixation of the hindfoot complex with the midfoot and/or forefoot and methods of implanting the same. Embodiments described herein can allow for the implant to be adapted to the patient based upon the extent of bone loss and instability. Embodiments herein also provide a jig system to facilitate the shaping of the foot and/or the implantation of the described internal fixation systems.

Abstract: A spinal plate system that makes it possible to check the extent to which a screw for anchoring the device to a vertebra is inserted in the vertebra is proposed. The spinal plate system includes a fixing plate having a plurality of first fastening holes formed through a surface thereof, a plurality of screws, which are respectively inserted into the plurality of first fastening holes and are threadedly coupled to a vertebra, and a locking rivet, which is disposed adjacent to the plurality of fastening holes and which comes into contact with first ends of the plurality of screws so as to hold the plurality of screws, the locking rivet including an elastic portion, which is elastically deformed by the plurality of screws when the screws are inserted into the fixing plate and which is elastically restored after the screws are completely inserted to a predetermined depth.

Abstract: A bone plate sized and shaped for fixation to a metacarpal includes a head extending from a first end to a second end and having first and second fixation element holes extending therethrough along first and second fixation element hole axes, wherein the first hole axis diverges from the second hole axis on a bone facing side of the plate, the head having a first notch on the first end centered on the central longitudinal axis, the first notch formed as a indentation on an outer wall of the bone plate sized and shaped to accommodate a collateral ligament when the plate is fixed to a metacarpal in a desired position and a shaft extending from the second end of the head to a third end along the central longitudinal axis, the shaft including an elongated fixation element hole elongated in a direction parallel to the central longitudinal axis.

Abstract: Variable angle holes in bone plates that are structured to facilitate the formation of axial compression or tension of a bone, or which can assist in bone distraction. The variable angle hole can extend about a central axis and includes an inwardly extending wedge wall. The variable angle hole can be sized to receive insertion of a fixation element at a location at which a central longitudinal axis of the fixation element is axially offset from the central axis of the variable angle hole by an offset distance at least when the fixation element is initially driven into bone at least in a transverse direction. The wedge wall can be configured to be engaged by a portion of the fixation element in a manner that axially displaces at least one of the bone plate, the fixation element, and/or bone(s) in a direction that can generally reduce or increase the offset distance.

Abstract: A method and apparatus for changing a configuration of a bone. The method includes the steps of: fixing a first part of a bone plate to the bone at a first location; securing a guide assembly in an operative position in relationship to the bone; engaging a bone part moving assembly with the bone at a second bone location spaced from the first bone location; cutting the bone to define first and second bone sections and so that the bone part moving assembly engages the second bone section and the first bone location is on the first bone section; relatively repositioning the first and second bone sections into a desired relationship and thereby causing a part of the bone part moving assembly to move guidingly, together with the second bone section, in a controlled path; and fixing the first and second bone sections in the desired relationship.

Abstract: A plating system includes a bone plate including an aperture. A locking member is receivable in the aperture to attach the bone plate to a joint. The plating system includes a guide including a body having a first end portion, a second end portion, an attachment portion attached to the bone plate, and a rotating portion including a sleeve to receive a drill or a guide wire. The first end portion of the body is rotationally connected to the attachment portion to pivot the body about a first axis to move the sleeve, and the rotating portion is rotationally connected to the second end portion of the body of the guide to pivot the rotating portion about a second axis to move the sleeve. The rotating portion translates along the second axis to move the sleeve, and the sleeve defines one of a plurality of trajectories.

Abstract: In order to apply, with a simple and easy means, proper pressure between bone segments spaced apart as a result of osteotomy or a bone fracture, without lowering the fixing force at the screw meshing portion, without increasing a dead space, and without increasing the thickness of the plate, the present invention provides a bone plate having an upper face, which is to be in contact with bone, a lower face, which is to be in contact with the bone, and a plurality of holes arranged to receive bone screws and connecting the upper face and the lower face. In at least one of the holes, a portion of an edge, on the upper face, of the hole is formed so as to be raised in the form of a protrusion higher than the upper face around the hole.

Abstract: A compression device made of a superelastic material having a peripheral portion with an upper surface, a lower surface, and a central opening extending therethrough is provided. One or more resilient teeth project inward of the peripheral portion into the central opening and are configured to exert a biasing force in an axial direction when deformed in a direction opposite the axial direction.

Abstract: The present invention includes devices, systems and methods for the storage, retrieval and placement of plates having wedges. A wedge plate tray includes an upper portion and at least one recessed portion, the recessed portion including a cavity sized to house the wedge and an additional cavity sized to accommodate placement and movement of an arm of an insertion instrument. The insertion instrument includes two arms connected at a hinge, a tip of each arm including a mating connector sized to engage a complementary mating connector on the wedge. In one embodiment of the method, the insertion instrument can be used to place the wedge plate in an osteotomy and where the wedge is a mobile wedge, a plate component can be adjusted to a desired position for securement while using the insertion instrument to hold the wedge in place in the osteotomy.

Abstract: Disclosed is a compound bone plate for attaching a bone flap to a skull. The compound bone plate can include a first plate member, a second plate member, a burr hole cover, and a strut. The first plate member can be operable to be attached to the bone flap and the skull. The second plate member can be operable to be attached to the bone flap and the skull. The strut can connect the first plate member, the second plate member, and the burr hole cover.

Abstract: A load sharing bone plate has a plurality of directional apertures configured to effectively support and share the load with a fractured bone to promote healing. A load sharing bone plate may have a body portion that is thinner and be configured to be secured with smaller fasteners than conventional bone plates. A load sharing bone plate has a plurality of directional apertures, configured to direct a fastener is a specific orientation, such as in an oblique angle to the length and/or in an oblique angle to the width of the bone plate. A load sharing bone plate may be configured with a load sharing extension on at least one end that is configured to reduce stress concentration at the end of the bone plate. A load sharing extension may have a tapered thickness and/or width from the body portion to the extended end.

Abstract: An implant for a human rib can include an elongate body, a plurality of bores, and a placement tool interface. The elongate body can include a first portion including a flat outer face where the elongate body can be curved along a plane perpendicular to the flat outer face. The second portion can extend from the first portion to form a curved outer face. The plurality of bores can extend through the flat outer face of the first portion and into the second portion. The bores can extend partially into the curved outer face of the second portion. The placement tool interface can extend into the body.

Abstract: A plantar bone plate and a method are provided for treating fractures of metatarsal bones. The plantar bone plate comprises a generally elongate member having an upper surface and a lower, bone contact surface. Two or more fixation apertures and a compression slot are disposed along a longitudinal dimension of the elongate member. The fixation apertures receive fasteners suitable for fastening the plantar bone plate to a metatarsal bone. The compression slot receives a fastener at an oblique angle for compressing adjacent portions of the metatarsal bone so as to encourage bone fusion. A curvature along the elongate member is configured to mate the plantar bone plate with the anatomy of the plantar aspect of the metatarsal bone. In one embodiment, the curvature is comprised of at least a first bend and a second bend, such that the plantar bone plate mates with the plantar anatomy of the 5th metatarsal.

Abstract: An anchor trajectory guide and methods of use thereof are provided. The guide includes a body that has a medial side. The medial side can be placed over a lateral side of a fixation plate. The anchor trajectory guide also includes a locator and a plurality of guide apertures. The locator is disposed on or through the medial side of the body. The locator can be mated with the fixation plate. The guide apertures are disposed through the body at positions corresponding to define anchor locations and orientations to provide good purchase adjacent to or in cortical bone around a medial side of a humerus.

Abstract: Technologies are generally provided for devices, systems, and methods to provide spinal fixation, spinal stabilization, and/or spinal fusion. Example devices may include a first end and a second end with a middle portion extending between the first and second end. The first end may be configured to be in contact with a portion of a first or upper vertebra and the second end may be configured to be in contact with a portion of a second or lower vertebra in an adjacent vertebral pair. Portions of the vertebra which may be in contact with the device may include lamina, processes, vertebral bodies, and facet joints. The example devices may include bone engagement features, such as screws or similar fasteners, to enhance stabilization and fixation when in contact with the vertebrae. Additionally, the devices may include a bone integration feature to promote bone growth and to facilitate fusion between the vertebrae.

Abstract: A bone plate is provided that is configured to provide compression to comminuted bone fragments, so as to reduce the respective bone gaps and promote healing. The bone plate can be moved from a first position to a loaded position, and placed against bone in the loaded position. The bone plate can then be secured to underlying bone. The bone plate then moves to an intermediate compression position that compresses bone fragments of a comminuted bone fracture together. An insertion instrument is also described that can be used to place the bone plate against the underlying bone, and guide insertion of a bone anchor to secure the bone plate to the underlying bone.

Abstract: Intervertebral endoprosthesis discs suitable for surgical implantation between two vertebrae having and methods thereof. The prosthetic disc may have an endoprosthesis body including an anterior region and a posterior region designed to be positioned between a first vertebra and a second vertebra with a first and second movable insert positioned rotatably in anterior cavities and is rotatable to adjust the fasteners.

Abstract: Bone surgical plate devices and methods for use in bone fracture surgeries, for example, clavicle fracture surgery. The systems and methods can include a plate device with specific design features including but not limited to differing designs, geometries, and configurations in multiple segments of the device.

Abstract: Devices, systems, and methods for bone stabilization, especially ulna head stabilization. The stabilization system may include a bone plate having an elongated portion extending along a longitudinal axis between a proximal end and a distal end. The bone plate defines a plurality of through holes extending through the elongated portion. A plurality of fasteners are configured to extend through one or more of the plurality of through holes in the bone plate and configured to secure the bone plate to the bone. The proximal end of the elongate portion has an arcuate configuration.

Abstract: The invention relates to a biodegradable, magnesium-containing bone screw for implanting into a patient body for use in medical applications, such as, orthopedic and craniofacial surgery. The bone screw has a tapered head, a threaded shaft and pointed tip. The composition of the bone screws provide for improved biodegradability and biocompatibility, and the features of the structure of the bone screws facilitates guidance and placement during implantation as well as reduces the potential for mechanical failures. Moreover, the bone screws are effective to provide targeted release of magnesium ions resulting in enhanced new bone formation.

Abstract: An implantable device for mounting to a patient's bone includes a housing and at least one osseointegrating protuberance. The housing includes a surface having an abutting portion configured to abut the bone when the housing is implanted in the patient, the abutting portion defining a housing axis orthogonal to the surface. The at least one osseointegrating protuberance: extends from the surface of the housing; is adapted to abut the patient's bone; and has a substantially smooth shaft.

Abstract: A bone plate system for internal fixation of bone fractures includes a bone plate having a plurality of bone plate holes. The holes are constructed to receive either a non-locking, locking, or variable-angle locking bone screw. The holes have discrete columns of teeth or thread segments arranged around the inner surface of the hole for engaging threads on the heads of locking and variable-angle locking bone screws. Conventional locking bone screws engage the bone plate coaxially with the central axis of the bone plate hole. Variable-angle locking bone screws can engage the bone plate at a selectable angle within a range of selectable angles relative to the central axis of the bone plate hole. The head of the variable-angle locking screw is at least partially spherical, and the thread thereon has a profile that follows the arc-shaped radius of curvature of the spherical portion of the screwhead.

Abstract: A vertebral plate includes a top and bottom surface, a plurality of orifices defined through at least one of the top and bottom surfaces, and a plurality of bone screw openings defined through the top and bottom surfaces. The plurality of orifices defined through the top surface includes a different cross-section than a plurality of orifices defined through the bottom surface. A vertebral plate system and a method of use are also provided.

Abstract: Occipital plate systems are described. The occipital plate systems include an occipital plate having an upper portion and lower portion. The lower portion can include an opening for receiving one or more lateral members therethrough. The lateral members include top and/or side apertures for receiving lateral connectors that are attached to polyaxial screw receiving members. The occipital plate systems can also include low-profile clamping arms that are operably attached to an occipital plate via an extension member and articulating joint member. The clamping arms, along with tension cables attached intermittently along its length, can be used in addition to or instead of screws and hooks to secure an occipital plate system to vertebrae.

Abstract: Methods and apparatus for performing an osteotomy. One embodiment includes a kit comprising a bone plate, a bridging device, and a spreading device. The bridge is configured to hold open the incision in the bone, whether the spreading device is inserted into the bone, or the bone plate is attached to the bone. The spreading device preferably includes a scissors-type mechanism for spreading two wedge-shaped members apart, contemplating both pivotal and displacement movements of one wedging member relative to another wedging member. The spring device preferably includes an ergonomic grip for the hand of the physician, and a hammering surface useful in inserting the spreading device into the incision.

Abstract: Provided herein is a clip type cranial flap closing and anchoring device having a single structure including first part in contact with top surface of the flap and second part in contact with bottom surface of said flap maintaining a gap therebetween to accommodate the flap, wherein the first part is fixedly secured to third part for fastening the device to the skull.

Abstract: A bone fixation system includes a first plate including a plate body and a connection portion extending distally therefrom, the connection portion including a positioning tab at a distal end thereof, the connection portion including a first opening extending therethrough and a ramped part, and a second plate including a coupling aperture along a proximal portion thereof, the coupling aperture configured to receive the positioning tab therein, the coupling aperture including a ramped proximal face configured to abut against the ramped part of the second surface of the positioning tab when the positioning tab is inserted into the coupling aperture, the head portion including a second opening extending therethrough. A connection screw configured to extend through the first opening and the second opening to couple the first and second plates together. Tightening the screw translates the ramped proximal face along the ramped part, eliminating a connection gap therebetween.

Abstract: The presently disclosed and claimed inventive concept(s) relates generally to the field of bone plates for the reduction and fixation of bone fractures. In particular, the presently disclosed and claimed inventive concept(s) relates to a quadrilateral surface bone plate for the fixation of acetabular fractures having at least one securing port therein and methods of making and using same.

Abstract: A patient-specific drill template for spine screw placement includes a hook-shaped main body, and an insertion guiding portion that guides a spine screw to be inserted into a vertebra. The main body includes a tight contact portion and a hook portion, the tight contact portion connecting with insertion guiding portion, the hook portion extending from the tight contact portion, and the main body partially surrounds the vertebra. A method of preparing a patient-specific drill template for spine screw placement includes preparing a three-dimensional computed tomography of a lumbar or thoracic spine in a hospital; transferring the CT data to the manufacturing facility using a network; processing the computed tomography to generate a three-dimensional reconstruction template of the patient-specific drill template in the facility; preparing the patient-specific drill template based on the reconstruction template; packaging the template and sterilizing the patient-specific drill template.

Abstract: A cervical plate assembly is disclosed. The cervical plate assembly includes a base plate including: (1) at least two bone screw seats, each bone screw seat including a borehole dimensioned to receive a bone screw, and (2) a first blocking seat positioned between the at least two bone screw seats. The cervical plate assembly includes a blocking mechanism retained within the first blocking seat of the base plate. The blocking mechanism is selectively positionable between a closed position in which the blocking mechanism obstructs at least one bone screw seat to retain a bone screw with the base plate, and an open position in which the bone screw seats are unobstructed.

Abstract: Bone plates for engaging bone members are described herein. The bone plates can receive one or more screws to secure the bone plates to an underlying bone member. The one or more screws can be inserted into bone plate holes that can be considered locking or non-locking. The bone plates described herein can have particular combinations of locking and/or non-locking holes. Additional bone plate holes can be used to accept sutures, K-wire, or other instrumentation.

Abstract: Devices, systems, and methods of bone stabilization. The bone stabilization system includes a bone plate having an upper surface and a lower surface configured to be in contact with bone, the bone plate having an opening extending from the upper surface to the lower surface. The opening is configured to receive a fastener, which may be either a locking fastener or a compression fastener.

Abstract: A bone graft containment device includes a body extending longitudinally from a first end to a second end. The body is defined via a strut framework sized and shaped to correspond to an outer surface of a target bone. The strut framework defines an interior space configured to receive a bone graft or bone graft substitute material. The device also includes a first grasping structure and a second grasping structure extending from an exterior of the body. The first and second grasping structures are configured to receive a bone fixation plate therebetween.

Abstract: A cranial implant and a method for generating and implementing the cranial implant is provided, wherein the cranial implant includes at least one fixation tab. The method includes determining the characteristics of a skull of a patient and an opening in the skull, identifying the desired location of the at least one fixation tab, fabricating the cranial implant based on at least one of a predetermined algorithm and experience of a fabricator in response to at least one of the characteristic of the skull/opening in the skull and the location of the fixation tabs, adjusting the cranial implant to fit within the opening of the skull such the cranial implant is substantially flush with a surface of the skull and securing the cranial implant to the skull using one or more fixation screws.

Abstract: An orthognathic bone joining or positioning implant method for performing an osteotomy and subsequent rejoining of one or more separated bone sections to the bone in a desired repositioning, wherein the implant is manufactured such that it provides a separating tool guidance contour for separating the bone sections after attaching a first attachment area to the bone, and provides a second or third attachment area for attaching the separated bone sections to the bone in the desire repositioning without detaching said first attachment area. The method utilizes tomographic imaging to produce a target 3D model of the bone showing the repositioned bone sections based on the original 3D model of the bone.

Abstract: The present disclosure relates to an implantable split sternum prosthesis to facilitate closure of the chest cavity and relieve pain after sternotomy operations. The split sternum prosthesis which after a surgical procedure is placed along the inline incision made in the sternum bone will also facilitate access to the chest cavity for patients in need of repeated surgical operations inside the chest cavity. The split sternum prosthesis comprises two elongated bone attachment plates, a first bone attachment plate and a second bone attachment plate. The first and he second bone attachment plates each have a bone attachment surface and a coupling surface. The first and second bone attachment plates are adapted be coupled together in a very close fit along their coupling surfaces.

Abstract: Bone fusion system, plate system, guide, implant, kit and methods for using the bone fusion system, plate system, guide and implant are disclosed. The bone fusion system includes an alignment guide, an implant, and at least one fastener inserted through the implant. The alignment guide includes a body portion, a first lobe positioned at a first end of the body portion, a second lobe positioned at a second end of the body portion, and an extension member extending away from a first side of the body portion. The implant includes a body portion, a first arm extending away from the body portion in a first direction, a second arm extending away from the body portion in a second direction, and a third arm extending away from the body portion laterally between the first and second arms. Finally, methods for using the bone fusion system, plate system, guide and implant are disclosed.

Abstract: A bone plate can be used to fixate one or more bones. In some examples, the bone plate defines an elongated body having a plurality of fixation holes arrayed at different points along the length of the body. For example, the bone plate may have opposed fixation holes separated by a bridge. The bone plate may be bent or shaped along a central longitudinal axis extending through the elongated body and also twisted around the central longitudinal axis. The bending and twisting can position each fixation hole of the elongated body in a different plane in three-dimensional space.

Abstract: A system and a bone fixation plate for preventing a fastener from rotating so as to prevent the fastener from backing out is provided. The system includes a plate having an opening. A retention member having an arm extending into the opening is configured to engage the head of the fastener so as to prevent the fastener from rotating after the fastener is seated within a vertebral body or implant. In one embodiment, the retention member engages a top surface of the head of the fastener. In another embodiment, the retention member engages a side wall of the head of the fastener.

Abstract: The invention relates to a bone implant for attaching to on a surface of a bone, including a base body whose lower side and/or upper side correspond(s) substantially to a deformation-free bone outer contour, wherein the outer dimensions of the base body are chosen such that the base body covers a specifically introduced deformation region for obtaining autologous bone material completely, wherein in the base body at least one slot is provided which is dimensioned such that it guides a bone marking and/or bone processing tool inserted in the slot in use.

Abstract: Provided is a spinal fixation device, which includes a cage which is placed between adjacent vertebrae to form a gap between the vertebrae, a middle plate which is detachably coupled to the cage, and deployment plates which are hinge-pivotably coupled to the middle plate at one side end, thereby stably fixing the cage in a correct position between the vertebrae.

Abstract: The present disclosure provides an orthopedic device and method for carpal fusion that provides bone to bone compression and multiple fixation points to decrease multiple degrees of freedom and motion of carpal bones. The device is biocompatible, resistant to corrosion, and sufficient in mechanical strength. Bone to bone compression and fixation points can be increased by using a first set of fasteners in a peripheral portion of the device to couple through the device into bone structure, and a second set of fasteners in a central portion of the device can be coupled through the device into the bone structure.

Abstract: A locking mechanism for a polyaxial locking screw is provided, together with a polyaxial locking assembly for locking a receiving member to a substrate. Also provided is a plating system for pelvic reconstruction.