Abstract: An apparatus and technique for infernally securing a plurality of bone segments together. The device incorporates a plate-like structure stabilizing the fracture and integrated fasteners to attach straps circumscribing the bone segments.

Abstract: Orthopedic surgical implant methods include placing an implant plate against a lateral greater trochanteric surface of a femur; installing at least one proximal compression fastener through the implant plate and through a greater trochanter and one of a fractured bone, a pretrochanteric neck fracture and a femoral neck fracture and into a femoral head of the femur, respectively; and installing at least one distal tension fastener through the implant plate and through a portion of a diaphysis of the femur and through the fractured femoral neck and into the femoral head of the femur, respectively, the at least one distal tension fastener intersecting the at least one proximal compression fastener in the femoral head. Orthopedic surgical implants are also disclosed.

Abstract: A cervical spine plate attachment system includes a bracket and an alignment guide. The bracket is configured to mount to a cervical spine plate. The alignment guide includes a first connector proximate to a first end of the alignment guide, wherein the first connector is configured to attach to a first pin inserted into a first vertebra. The alignment guide also includes a second connector proximate to a second end of the alignment guide, wherein the second connector is configured to attach to a second pin inserted into a second vertebra. The alignment guide further includes a fastener configured to secure the alignment guide to the bracket such that the alignment guide is secured to the cervical spine plate.

Abstract: Provided herein is an osteosynthesis device for articular fracture fixation, more particularly for fixation of shoulder, knee, elbow, ankle and wrist fractures. The osteosynthesis device comprises an articular supportive plate for supporting the articular surface of a long bone, said articular supportive plate comprising (i) at least one pin receiving feature for receiving a pin or a screw; and (ii) at least one fin projecting from a first side of said articular supportive plate, said fin being provided with one or more pin receiving features for receiving a pin or screw. Further provided herein are systems for articular fracture fixation, and methods of fixating an articular fracture in a long bone using such systems.

Abstract: Implant devices for the internal fixation of fractured bones, and more particularly to ankle plates for the tibia bone are disclosed and include an anterolateral tibia plate having an L-shaped body including a proximal portion defining a longitudinal axis, and a distal portion defining a traverse axis, and having a support bridge connected between the proximal portion and the distal portion. Implant devices disclosed also include an anterior tibia plate having an elongated first portion, a second portion that widens outward with respect to the elongated first portion, and a plurality of removable tabs attached to the outer edge of the second portion. Implant devices disclosed also include a medial tibia plate having an elongated shaft with a proximal portion and a distal portion. The distal portion is configured to extend proximate to a base of medial malleolus, and has a curvature with respect to a longitudinal axis defined by the elongated shaft. The distal portion may include a plurality of removable tabs.

Abstract: The present invention is directed to a spine stabilization system and method for stabilizing the spine. In particular, the present invention is directed to a spinal stabilization system having an occipital plate configured with a central portion and at least two extension portions extending from the central portion. At least two rod receivers are positioned on each one of the at least two extension portions and the at least two rod receivers are adapted and configured to receive at least two elongated rods. At least two locking assemblies are adapted and configured to retain the at least two elongated rods within the at least two rod receivers. The occipital plate further includes a plurality of holes for receiving bone fasteners and includes a slot for receiving each one of the at least two rod receivers, and the rod receivers being capable of translating and rotating within the slots.

Abstract: Protheses and methods for treating canine cruciate ligament disease are disclosed comprising placement of a specifically configured implant on the femur or tibia to displace targeted muscle or connective tissue associated with the stifle joint so as to reduce cranial tibial thrust.

Abstract: A bone fixation system has a bone implant with an implant body. The implant body defines an upper surface, a bone-facing surface spaced from the upper surface along a transverse direction, and at least one aperture defined by an inner wall. A bone fixation element is configured for insertion at least partially through the aperture. The bone fixation element defines a proximal end and a distal end spaced from the proximal end along a central axis. The bone fixation element has a head and a shaft that extends relative to the head toward the distal end. The head defines a first ridge, a second ridge spaced from the first ridge, and a groove disposed between the first and second ridges. The groove can receive at least a portion of the inner wall to couple the bone fixation element to the bone implant.

Abstract: Apparatus for the fixed-angle fixation and compression of a fracture site or osteotomy of a bone includes a bone plate having a plurality of holes and bone screws with a threaded head. The bone screws accommodated in the holes are screwed into the bone. At least one of the holes is a combination of two circular holes of different diameter. As screwing of the bone screw into the bone proceeds through a final stage, engagement of the threads on the head with threads in the combination hole effects relative longitudinal displacement between the plate and the bone whereby it is possible to simplify simultaneous fixed angle fixation and compression of the fracture or osteotomy with use of a single screw. Threads on the head of the bone screw engage threads in the hole which is a combination of the two hole to effect relative motions.

Abstract: A calcaneum translation plate having two end portions, i.e. a proximal anchoring portion and a distal fixing portion, oriented in opposing directions and arranged in spaced parallel planes, the proximal and distal portions connecting to an intermediate portion having a square general profile and having two perpendicular bearing surfaces, the proximal anchoring portion extending from one of the surfaces and perpendicular thereto, whereas the distal fixing portion extends in the extension of the other bearing surface.

Abstract: A bone plate sized and shaped for fixation to a phalangeal bone includes a head extending from a first end to a second end and having first, second third and fourth fixation element holes extending therethrough and arranged in a diamond configuration on the head, an outer wall of the head having a diamond shape corresponding to the diamond configuration, a bone contacting surface of the head being contoured to conform to the anatomy of a dorsal surface of a first metacarpal, the contour being curved to be seated over a protuberance at a head of the first metacarpal and a shaft extending from the head, the shaft including an elongated fixation element hole elongated in a direction parallel to a longitudinal axis of the bone plate.

Abstract: An osteonsynthesis implant has a plate-shaped base component having at least one hole, at least one axially extending rod-shaped tie rod having a first and a second end and at least one threaded component. The first end of the rod-shaped tie rod can be placed in the hole of the base component. The hole and the first end of the tie rod are formed such that the first end of the tie rod can be locked axially in the hole and is pivoted about an axis of the hole while locked to the plate. The second end of the tie rod is provided with a thread and the threaded component can be screwed onto the thread of the first tie rod. The tie rod can perform a pivoting movement of up to about 20° around the hole axis while locked in the plate hole.

Abstract: The present invention relates to stable fixation of spine segments, allowing for fusion in, e.g., skeletally mature patients. More particularly, the invention relates to a bone fixation device that can be affixed to vertebrae of a spine to provide reduction (or enlargement) capabilities and allow for fixation in the treatment of various conditions, including, e.g., spondyloslisthesis, degenerative disc disease, fracture, dislocation, spinal tumor, failed previous fusion, and the like, in the spine. The invention also relates to a method for delivering and implanting the bone fixation device.

Abstract: The present invention relates to dynamic bone fixation elements and a surgical method to stabilize bone or bone fragments. The dynamic bone fixation elements preferably include a bone engaging component and a load carrier engaging component. The bone engaging component preferably includes a plurality of threads for engaging a patient's bone and a lumen. The load carrier engaging component preferably includes a head portion for engaging a load carrier (e.g., bone plate) and a shaft portion. The shaft portion preferably at least partially extends into the lumen. Preferably at least a portion of an outer surface of the shaft portion is spaced away from at least a portion of an inner surface of the lumen via a gap so that the head portion can move with respect to the bone engaging component. The distal end of the shaft portion is preferably coupled to the lumen.

Abstract: A system and method are provided for making an access channel through a vertebral body to access a site of neural compression, decompressing it, and repairing the channel to restore vertebral integrity. System elements include an implantable vertebral plate, a guidance device for orienting bone cutting tools and controlling the path of a cutting tool, a bone cutting tool to make a channel in the vertebral body, a tool for opening or partially-resecting the posterior longitudinal ligament of the spine, a tool for retrieving a herniated disc, an implantable device with osteogenic material to fill the access channel, and a retention device that lockably-engages the bone plate to retain it in position after insertion. System elements may be included in a surgery to decompress an individual nerve root, the spinal cord, or the cauda equina when compressed, for example, by any of a herniated disc, an osteophyte, a thickened ligament arising from degenerative changes within the spine, a hematoma, or a tumor.

Abstract: Some embodiments of the invention provide an apparatus that (1) delivers a fusion member between two vertebral bodies after at least a portion of the fibrocartilaginous disc between the vertebral bodies has been removed, and (2) affixes the fusion member to the vertebral bodies. In some embodiments, the apparatus includes (1) a fusion member that is delivered and positioned between the vertebral bodies, (2) a delivery mechanism that delivers and positions the fusion member between the vertebral bodies, and (3) an anchoring member that affixes the fusion member to the vertebral bodies.

Abstract: Devices and methods for altering the spacing and motion at the facet joints of the vertebral column are provided. One embodiment of the invention comprises a prosthesis with surfaces configured to articulate with the facets of the facet joint. A retaining member for anchoring the prosthesis within the facet joint is optionally included. Methods for surgically and less invasively implanting the prosthesis and securing the prosthesis to the articular processes or surrounding soft tissue are also provided.

Abstract: An improved anterior cervical plating system and methods of cervical fusion using such a system are provided. The cervical plating system includes an interlocking mechanism that integrated into each of the plates such that any two plates may cooperatively engage through the interlocking mechanism such that a new cervical plate can be interconnected with a pre-existing plate during revision surgery without removal of the pre-existing plate.

Abstract: An apparatus for securing a vertebra during healing of a fracture within a pars area of the vertebra is described. In certain embodiments, the apparatus is a plate that has an outer shape similar to a shape of a pedicle and/or lamina of the vertebra, and an inner section that facilitates access to the pars area when the plate is secured to the vertebra.

Abstract: A surgical fixation system including a base plate, a plurality of anchors, and a plurality of locking elements. The base plate has a pair of fixation apertures configured to receive at least a portion of the anchors therethrough. The fixation apertures are provided by example as elongated slots. The fixation apertures are located within the base plate such that upon proper placement of the base plate within a surgical target site, one of the fixation apertures is positioned over a first bone segment (e.g. a first vertebral body), and the other fixation aperture is positioned over a second bone segment (e.g. a second vertebral body).

Abstract: A bone fixation system includes a bone plate, bone anchors, temporary fixation members, and forceps. The temporary fixation members are configured to be inserted through apertures in the bone plate and into underlying bone segments that are separated by a bone gap. The forceps are configured to apply a force to the temporary fixation members that causes at least one of the underlying bone segments to translate with respect to the other bone segment, thereby reducing or distracting the bone segments without interfering with final fixation by screws of bone segments.

Abstract: An apparatus and technique for infernally securing a plurality of bone segments together. The device incorporates a plate-like structure stabilizing the fracture and integrated fasteners to attach straps circumscribing the bone segments.

Abstract: A sigmoid notch resurfacing prosthesis for application to the sigmoid notch of the distal radius. The sigmoid notch prosthesis generally includes a saddle and a radius portion for attachment to the distal radius. The saddle may be formed from ultra high molecular weight polyethylene or another durable self-lubricating material. The saddle includes an at least partially concave contoured depression having rounded edges that is securable to the radius portion. The saddle may be secured by a sliding notch snap fit design. The prosthesis may be adapted for articulation with the natural head of the ulna or with an ulnar head prosthesis that has replaced the ulnar head.

Abstract: A locking and lagging bone screw. The screw includes a head having an outer surface which is at least partially threaded and a shaft which is at least partially threaded having a first end coupled to the head and a second end adapted to be fastened to bone. The head of the screw is able to rotate independently of the shaft. Thus, the head of the screw can be locked to a bone plate by using a first driver (e.g., a torx driver) and the plate can be lagged to the bone by using a second driver (e.g., a hex driver).

Abstract: A spinal implant comprises a wall extending between a first end and a second end and defining a longitudinal axis. The wall has a first surface and a second surface configured to engage tissue. The wall defines at least one opening configured for disposal of a bone fastener. The first end includes an inner surface comprising a first linear side and a second linear side. The linear sides are disposed in substantial alignment with the axis. The inner surface further comprises an arcuate side connected to the linear sides to define a cavity configured for disposal of a fastener. Systems and methods are disclosed.

Abstract: Pathology of the human knee can arise from excessive and/or uneven loading of regions within the joint. Methods and apparatus are disclosed that enable displacement of soft tissue around the knee, without displacing or severing bone thereby altering the mechanical load distribution within the joint in a less invasive manner than previous techniques.

Abstract: A lockable pin plate assembly which has a pin plate adapted to be secured to stable bone and provided with pin holes for pins for pinning an unstable bone fragment. One or more pin holes are engageable by pins of an integral U-pin. The pins have stop surfaces thereon which are resiliently displaced when the pins are seated to automatically and self-lock the pin and the pin plate to oppose withdrawal and backing out of the pins from the pin plate. In a preferred embodiment, each pin of the U pin has a leading portion and a trailing portion, the leading portion being of smaller diameter to pass freely through an elliptical hole in the pin plate whereas the trailing portion is of larger size to become locked in the pin hole as it is advanced therein.

Abstract: An enhanced artificial disk for stabilizing a pair of adjacent vertebrae. The enhanced artificial disk include a disk and a stabilizer. The stabilizer includes a substantially keyhole shaped opening for receiving a stabilizer screw. By facilitating movement of the stabilizer screw within the opening, the enhanced artificial disk is capable of exhibiting a normal range of motion associated with a healthy disk while limiting any abnormal range of motion.

Abstract: A bone anchor, orthopaedic device and orthopaedic system are described. A bone anchor for use in an orthopaedic procedure which comprises a bone fixation portion provided with a plurality of fixation openings, the fixation openings each being adapted to receive a fixation device for fixing the bone fixation portion to a bone of a patient, and a device attachment portion provided with a first attachment opening and a second attachment opening, the first attachment opening and the second attachment opening being connected to each other by a solid stabilizing portion and being adapted to receive an attachment device for attaching the device attachment portion to an orthopaedic device.

Abstract: A system, devices and methods are provided for facilitating stabilization of periarticular fractures. The system includes a compression plate and one or more of a cerclage cable for encircling the bone and securing the compression plate to the bone, a crimp lug for securing the cable in tension relative to the bone and/or a plate, and a supplemental plate coupled to the compression plate and adapted to receive bicortical or unicortical bone screws to further secure the compression plate relative to the bone. In addition, the system includes a cable tensioner for temporarily retaining the cable in tension and then applying a tension to the cable until a desired compression is effected between a plate and bone and while a cable retaining structure is secured to the cable to retain the applied tension on the cable. Also provided is a jig for use with plates for minimally invasive fracture stabilization.

Abstract: A spinal plate for installation on one or more vertebrae. The spinal plate can be an asymmetrical cervical plate. The cervical plate can have a thicker side, a thinner side, one or more threaded fastener holes, and one or more locking fastener holes. The shape of the cervical plate can match the shape of a vertebra to facilitate installation, thus, the thickness of both the thicker and thinner sides, and shape of the cervical plate between the thicker side and the thinner side can match the shape of a vertebra. The cervical plate can include locking features that secure one or more locking fasteners in the one or more locking fastener holes, and thereby secure one or more threaded fasteners in the one or more threaded fastener holes.

Abstract: A spinal plate having an upper surface and a lower surface, the lower surface adapted to contact bone. A plurality of holes extend from the upper surface to the lower surface through the plate which is configured and adapted to receive bone fasteners for fixing the spinal plate to bone. The lower surface of the spinal plate comprises a ridge that protrudes from the underside of the plate and encloses the plurality of holes spaced inward from the perimeter of the spinal plate.

Abstract: A method for joining of biological elements is disclosed. A plate is placed over a first segment and a second segment. The plate is attached to the first segment and the second segment. A dowel channel is drilled thru a dowel hole of the plate. A dowel is inserted into the dowel channel, wherein the dowel crosses a joining plane of the first segment and the second segment. A locking screw is placed on a top side of the dowel to lock the dowel in place.

Abstract: A method of bone fixation comprises the steps of implanting at least one first fixation element into a respective first anatomical body such that a portion of the first fixation element extends out from an exterior surface of the first anatomical body, and implanting at least one second fixation element into a respective second anatomical body that is adjacent the first anatomical body, such that a portion of the second fixation element extends out from an exterior surface of the second anatomical body. A hardenable material is applied to the portion of each of the fixation elements that extends out from the exterior surface of the respective anatomical body when the hardenable material is in an unhardened state. The hardenable material is hardened such that the hardenable material forms a hardened construct together with the bone fixation elements that bridges the anatomical bodies.

Abstract: A system for assisting a surgeon in implanting hook plate-type bone plates includes a cannulated multiple barreled drill guide, a cannulated inserter/impactor, and a cannulated fastener coupling the inserter/impactor to a bone plate. The multiple barreled drill guide facilitates the drilling of at least two parallel holes at the distal end of a bone at the correct position and angle of entry, and includes a body and two drill guide channels coupled to the body in substantially parallel orientation relative to each other, with a guide pin aperture disposed between and substantially parallel to the drill guide tubes. The inserter/impactor likewise includes a central channel accommodating the same guide pin employed to place and align the multiple barreled drill guide.

Abstract: An orthopedic plate has a first end including a locking screw hole that receives a locking screw and spaced from that hole is a compression housing that extends from the bone-facing side of the plate and which receives a compression screw that forms an angle of from about 10° to about 70° with a longitudinal axis of the plate. In a further embodiment, the plate also includes a second end with a chamfer for insertion of the plate into bone, and in a still further embodiment, the plate is an MTP plate.

Abstract: The present disclosure relates, in some embodiments, to locking mechanisms for a fastener (e.g., a bone screw) and associated devices, systems, and methods. According to some embodiments, a lockable bone plate assembly may comprise, for example, a bone plate and a bone screw assembly. A bone plate may comprise, in some embodiments, at least one through hole, the at least one through hole having at least one bone plate hole circumferential recess. According to some embodiments, a bone screw assembly may comprise (a) a bone screw, (b) at least one deployable protrusion, and/or (c) a protrusion driver. The present disclosure further relates, in some embodiments, to methods for bone (e.g., vertebral) fixation. For example, a method may comprise contacting at least a portion of a spine (e.g., cervical spine) of a subject with a lockable bone plate assembly.

Abstract: The present invention is a method and device for the correction and reduction of bone deformities, such as metatarsus primus adductus, using a plate body with winged buttresses and dorsal loop. The method and device can be affixed to a bone without any drilling or violating of the bone and can use a tethering technique which does not require drilling into the second metatarsal, nor does it require the placement of a prominent suture knot/button device medially along the first metatarsal.

Abstract: A spinal implant comprises a wall extending between a first end and a second end and defining a longitudinal axis. The wall has a first surface and a second surface configured to engage tissue. The wall defines at least one opening configured for disposal of a bone fastener. The first end includes an inner surface comprising a first linear side and a second linear side. The linear sides are disposed in substantial alignment with the axis. The inner surface further comprises an arcuate side connected to the linear sides to define a cavity configured for disposal of a fastener. Systems and methods are disclosed.

Abstract: A spine plate defines a body having a posterior surface or side and an anterior surface or side. The body also has a pair of bone screw bores for each vertebra to which the spine plate will be attached. The bone screw bores extend between the posterior side and the anterior side. A relief area is provided between each pair of bone screw bores in the anterior surface of the body. The relief area opens to both bone screw bores to allow displacement of the bone screw when entering the respective bone screw bore. The relief area also opens to both bone screw bores to permit an instrument to be received therein to remove a bone screw from one of the bone screw bores.

Abstract: Embodiments of the present invention provide methods, apparatuses, and systems for fixing dens fractures. The mode of failure for screw fixation of C2 dens fractures is often via cut-out at the anterior body. In an embodiment, securing a plate, such as a locking plate, to the anterior surface of the vertebra attached directly to an interfragmentary screw may reduce potential for anterior screw cut-out and improve construct strength. Plate supplementation of anterior screw fixation of Type II dens fractures thus improves construct strength and changes the failure mechanism from anterior screw cut-out to posterior displacement of the screw, thus improving clinical outcomes for these fractures.

Abstract: An orthopaedic fixation component attachable to a femur, said femur defining a femur shaft, a femur head and a femur neck extending therebetween, said femur further defining a greater trochanter limiting laterally said femur neck, said orthopaedic fixation component comprising: a shaft section fixation portion and an end section fixation portion extending substantially longitudinally therefrom, said shaft section and end section fixation portions being respectively securable to said femur shaft and said greater trochanter; said end section fixation portion including a pair of end arms, said end arms being configured, sized and positioned to delimit a trochanter receiving recess for receiving a prominent portion of said greater trochanter.

Abstract: Systems for repairing acetabulum fractures can include a bone plate that has openings therein and one or more bolts sized to fit through the openings. The bone plate can cooperate with the head portions of the bolts to prevent them from spinning within the holes as screws are attached to the bolts. Such arrangements can assist in reverse implantation methods in which the bone plate is introduced into the true pelvis of a patient.

Abstract: A spinal fixation device for securing to a spine includes a body having one or more longitudinal members extending between a pair of wedge members. Each wedge member defines one or more openings therethrough for the reception of a bone screw. The wedge members are disposed on opposite ends of the one or more longitudinal members. One of the wedge members is positionable within a first intervertebral space and the other wedge member is positionable within a second intervertebral space. The one or more longitudinal members define a length that spans one or more vertebrae. The one or more longitudinal members are positionable within the one or more vertebrae when the wedge members are positioned within the respective first and second intervertebral spaces to maintain the body in a minimal profile orientation relative to the spine.

Abstract: Embodiments of the present invention provide a bone fixation assembly that can provide polyaxial fixation. The polyaxial fixation may be provided by fins that protrude from an opening in a bone plate or fins that protrude from a fastener head.

Abstract: A bone fixation system includes a bone plate, bone anchors, temporary fixation members, and forceps. The temporary fixation members are configured to be inserted through apertures in the bone plate and into underlying bone segments that are separated by a bone gap. The forceps are configured to apply a force to the temporary fixation members that causes at least one of the underlying bone segments to translate with respect to the other bone segment, thereby reducing or distracting the bone segments without interfering with final fixation by screws of bone segments.

Abstract: This invention relates to a medical equipment for anchoring and closing of cranial flap during neurosurgery of head comprising of a plurality of arms including at least one longer arm and several smaller arms made of biocompatible material.

Abstract: Fixation system for bones with a connection support, at least one bone screw that can be inserted into a through hole of the connection support and a sensor and telemetry system, wherein the sensor and telemetry system is arranged on a separate plate, which can be connected with the connection support.

Abstract: Provided is a novel system that includes an anterior vertebral body plate with at least one bone spike pivotally attached to the plate and capable of being manually inserted into underlying bone to securely fix the plate to the bone. Also provided is a method of stabilizing cervical vertebrae using the disclosed system.

Abstract: An osteosynthesis device that is both resorbable and radiopaque, produced using gradually degrading materials, includes at least one plate and a set of screws made of resorbable material, in which the plate consists of a composite mixture including i) a resorbable polymer or copolymer compound and ii) an inorganic filler that consists of at least one resorbable ceramic. The screws can be made of resorbable polymer, or of a composite mixture with at least one resorbable ceramic. The device is totally resorbable and radiopaque, and it offers a high level of safety, ensuring a strong and durable fixation of the screws to the plate and in the bone during the entire period needed for bone uniting.