Abstract: The present invention provides bone fracture fixation devices, systems and methods of use and manufacture. One such bone fixation device includes an elongate element having a responsive zone. The element is adapted to be coupled to the bone so that the responsive zone is positioned adjacent a fracture site in the bone. The responsive zone is adapted to apply a desired pressure to the bone when coupled thereto. In some embodiments, the responsive zone comprises a shape memory material, which may be nickel titanium or Nitinol, to apply compressive pressure across the fracture site for longer periods of time than standard bone screws.

Abstract: An intervertebral implant includes a body for insertion between adjacent vertebrae, and one or more anchors extending from the body for securing the body between the vertebrae. A linear motion control mechanism is mounted in the body and operable to limit linear translation of the anchor(s) relative to the body. Also, a pivot control mechanism in the body operates to limit pivot motion of the anchor(s) relative to the body. The linear and pivot control mechanisms are configured in various arrangements and embodiments exhibiting adjustable dynamic settings, allowing a single implant to provide various types of dynamic fixation with ranges of motion that permit loads to transfer to graft material contained in the disk space.

Abstract: An intervertebral implant includes an upper surface configured for engagement with a first vertebral body, and a lower surface configured for engagement with a second vertebral body. A wall extends between the upper surface and the lower surface, and forms a chamber for containing osteogenic material. At least a portion of the wall is collapsible from a first position associated with a first volume of the chamber to a second position associated with a second volume of the chamber. The second volume is less than the first volume.

Abstract: An intervertebral implant includes a body having an upper surface, a lower surface and a transverse fastener hole. The body includes a dynamic fixation mechanism for seating a fastener in the fastener hole and translating the fastener relative to the implant to accommodate subsidence of the implant. In one embodiment, an implant includes a transverse slot with an elongated seat for translating a seated fastener relative to the implant. In another embodiment, an implant includes a displaceable sliding member for translating a fastener relative to the implant.

Abstract: An osteosynthetic plate assembly and a method of installing the osteosynthetic plate assembly is disclosed. The osteosynthetic plate assembly comprises a dynamic extension plate having a first end portion for connection to a first vertebrae, a second end portion for connection to a second vertebrae, and a dynamic flexible portion extending between the first and second end portions. The dynamic extension plate is configured for coupling with a cervical fusion plate. A method of installing the dynamic extension plate to adjacent vertebrae comprises the steps of engaging a connector of the dynamic extension plate with a coupling of a cervical fusion plate, and mounting the dynamic extension plate to the adjacent vertebrae.

Abstract: Bone fracture fixation devices, systems and methods of use and manufacture are provided. One such bone fixation device includes an elongate element having a responsive zone. The element is adapted to be coupled to the bone so that the responsive zone is positioned adjacent a fracture or fusion site in the bone. The responsive zone is adapted to apply a desired pressure to the bone when coupled thereto. In some embodiments, the responsive zone comprises a shape memory material, which may be nickel titanium or Nitinol, to apply compressive pressure across the fracture or fusion site for longer periods of time than standard bone screws.

Abstract: In one aspect a device is disclosed for use as a bone implant comprising, a body having a pre-implantation shape and a post-implantation shape different from the pre-implantation shape. The body is configured to change from the pre-implantation shape to the post-implantation shape in response to the body being activated. The body is configured to be inserted in a bone recess while the body is in the pre-implantation shape. In another aspect a method is disclosed comprising inserting a cable member into a recess in a bone, inserting a retention device into the recess, the retention device containing a shape memory material, and activating the shape memory material.

Abstract: The present invention provides bone fracture fixation devices, systems and methods of use and manufacture. One such bone fixation device includes an elongate element having a responsive zone. The element is adapted to be coupled to the bone so that the responsive zone is positioned adjacent a fracture site in the bone. The responsive zone is adapted to apply a desired pressure to the bone when coupled thereto. In some embodiments, the responsive zone comprises a shape memory material, which may be nickel titanium or Nitinol, to apply compressive pressure across the fracture site for longer periods of time than standard bone screws.