Abstract: A bone preparation device for shaping endplates forming an intervertebral disc space between two adjacent vertebrae includes a cutter component and a cutter-positioner component. The cutter-positioner is arranged to limit the distal travel of the cutter component and to restrict the range of motion of the distal end of the cutter component. The bone preparation device also includes a rotational interface between the cutter component and the cutter-positioner component. The rotational interface is structurally arranged to permit the cutting blade to be rotated at the same time the cutter component is restricted in its range of motion.

Abstract: Intervertebral prosthetic systems, devices, and associated methods are provided. The present disclosure provides intervertebral prosthetic devices that include lateral plates to engage the lateral walls of the vertebral bodies for stability and include a compliant central component, fusion-cage central component, or any other suitable type of motion-preserving or fusion component positioned between the lateral plates. In some instances, the lateral plates and the central component are connected by an elongated member that extends across the disc space. The designs of the present disclosure allow insertion through a unilateral approach yet still have engagement on both sides of the vertebral body to provide stability and reduce the risk of subsidence.

Abstract: Intervertebral prosthetic systems, devices, and associated methods are provided. The present disclosure provides top and bottom endplates that engage the lateral walls of the vertebral bodies for stability and incorporate a compliant core, ball-and-socket core, fusion-cage core, or any other suitable type of motion-preserving or fusion cores. The endplate designs allow insertion through a unilateral approach yet still have engagement on both sides of the vertebral body to provide stability and reduce the risk of subsidence. In some instances, saddle style endplates are inserted and then rotated to engage the lateral walls of the vertebral bodies. In other instances, hinged style endplates are inserted in a first orientation and then at least one end portion is pivoted to a second orientation so that the endplates engage the lateral walls of the vertebral bodies.

Abstract: A retaining mechanism for use in affixing a stratum to bone is disclosed. The mechanism comprises a stratum and a retaining element. The retaining element comprises a central longitudinal axis, a stop end, a fastener end opposite that of the stop end, a first side, a second side, a first cut-out in the first side, a second cut-out in the second side, and a central cut-out. The stratum is configured to engage the retaining element such that when the retaining element is in a first position, the retaining element permits a fastener to be passed through a hole in the stratum, and when the retaining element is in a second position, the retaining element at least partially overlaps the hole so as to help prevent inadvertent backing out of the fastener after the fastener has been fully inserted into the hole.

Abstract: A spinal implant configured for implantation in an intervertebral disc space is disclosed. The implant comprises a section for engaging a vertebral body. The section comprises a bone-engaging surface configured to engage at least a portion of a vertical surface and/or an endplate surface of the vertebral body. The section further comprises a metal component and a polymer component that are bonded together, wherein each of the metal component and the polymer component comprises at least one structural element configured to promote fixation between the polymer component and the metal component.

Abstract: Intervertebral prosthetic systems, devices, and associated methods are provided. The present disclosure provides intervertebral prosthetic devices that include lateral plates to engage the lateral walls of the vertebral bodies for stability and include a compliant central component, fusion-cage central component, or any other suitable type of motion-preserving or fusion component positioned between the lateral plates. In some instances, the lateral plates and the central component are connected by an elongated member that extends across the disc space. The designs of the present disclosure allow insertion through a unilateral approach yet still have engagement on both sides of the vertebral body to provide stability and reduce the risk of subsidence.

Abstract: Intervertebral prosthetic systems, devices, and associated methods are provided. The present disclosure provides top and bottom endplates that engage the lateral walls of the vertebral bodies for stability and incorporate a compliant core, ball-and-socket core, fusion-cage core, or any other suitable type of motion-preserving or fusion cores. The endplate designs allow insertion through a unilateral approach yet still have engagement on both sides of the vertebral body to provide stability and reduce the risk of subsidence. In some instances, saddle style endplates are inserted and then rotated to engage the lateral walls of the vertebral bodies. In other instances, hinged style endplates are inserted in a first orientation and then at least one end portion is pivoted to a second orientation so that the endplates engage the lateral walls of the vertebral bodies.

Abstract: A bone preparation device for shaping endplates forming an intervertebral disc space between two adjacent vertebrae includes a cutter component and a cutter-positioner component. The cutter-positioner is arranged to limit the distal travel of the cutter component and to restrict the range of motion of the distal end of the cutter component. The bone preparation device also includes a rotational interface between the cutter component and the cutter-positioner component. The rotational interface is structurally arranged to permit the cutting blade to be rotated at the same time the cutter component is restricted in its range of motion.

Abstract: An orthopedic implant includes at least one elongated body. The body defines an outer surface. The outer surface is configured to engage an articular surface of a sacro-iliac joint along a plane substantially parallel to the articular surface.

Abstract: An orthopedic implant includes at least one circular body. The at least one circular body defining an outer surface configured to engage at least one articular surface of a sacro-iliac joint along a plane substantially parallel to the articular surface.