A bone plate apparatus comprises a first plate comprising one or more openings configured for use in securing the first plate to a portion of a bone, a second plate comprising one or more openings configured for use in securing the second plate to a portion of a bone, and a linking segment. The first plate is connected to the linking segment at a first articulating joint, and the second plate is connected to the linking segment at a second articulating joint.

The dynamic implant fixation plate and implant configured to accept the disclosed fixation plate can, in some aspects, provide a means of fixing an implant relative one or more planes while allowing motion relative to one or more planes. The use of the disclosed fixation plate and corresponding implant can reduce the occurrence of stress shielding and permit enhanced loading of the implant site.

A spine implant for receipt between and fastened to a lower vertebra and an adjacent upper vertebra is characterized by an expandable cage and an expandable plate attached to the expandable cage. When the expandable cage is expanded, both the expandable cage and the expandable plate expand together at a uniform rate of movement. Engagement features of the expandable cage cooperate with engagement features of the expandable plate such that expansion of the expandable cage carries the expandable plate along during its expansion. The engagement features of the expandable cage may be configured as notches, cavities, or recessed pockets, while the engagement features of the expandable plate may be configured as tangs, flanges, or protuberances styled to be received by the configured notches of the expandable cage. Cam locks on the expandable plate help bone fastener backout.

An implantable modular plate system for stabilizing adjacent vertebral bodies in a cervical spine includes at least two plate segments aligned or connected together so as to form a connection at and along adjacent ends. At least one of the plate segments includes a flange at an engagement end and at least one of the plate segments including a flange recess at an engagement end, the flange being configured for overlay engagement with the flange recess when the at least two plate segments are engaged. The plate segments are pivotable out of plane with one another at a common axis of rotation traversing overlapping portions of the adjacent ends and are constrained from rotation by the flanges such that the rotation of each plate segment is limited to up to 90 degrees of rotation away from the contact surfaces of the flange and flange recess.

Provided is a deformable metal plate for use in fracture treatment, in which the length and angle of a single metal plate for use in fracture treatment are variable and the width thereof can also be adjusted when the length and angle are varied. The deformable metal plate for use in fracture treatment includes a metal plate body having body screw insertion holes at predetermined intervals, a plurality of uneven portions disposed on at least one side of the metal plate body along a longitudinal direction of the metal plate body at predetermined intervals, and a variable metal plate configured to be slid along and coupled to a part of the plurality of uneven portions, the variable metal plate having, an uneven coupling portion, and an extension arm extending from the sliding and coupling body. A variable screw insertion hole is defined at an end of the extension arm and when the uneven coupling portion is fixed onto the metal plate body, the extension arm has a predetermined angle with the longitudinal direction of the metal plate body.

The self-contouring plate system for bone fractures with anti-rotation stop allows a surgeon to bridge a bone fracture, primarily in bones of complex shape where the use of plates or screws is difficult. The self-contouring plate is formed from a series of similar or identical rigid elements, the elements able to bend and rotate with respect to each other. This flexibility is initially helpful as the surgeon contours the device to the shape of the bone. When the desired shape is reached, the elements are locked into place. The length of device is adjusted by adding or removing elements, much like a necklace. Each element of the self-contouring plate includes a ball that extends away from a body, a cavity for receiving the ball of the neighboring plate, and a screw to compress the ball within the cavity.

A tether assembly may be attached to a bone to correct a rotational deformity. The bone may have a growth plate that separates a first section of the bone from a second section of the bone. The tether assembly may have a tether member with a first end, a second end, and a central portion extending between the first end and the second end. The first end may have a closed outer wall that defines and fully bounds a first aperture. The second end may have an open outer wall that defines and partially bounds a second aperture. The open outer wall may define a slot in communication with the second aperture. The first and second ends may be securable to the first and second sections of the bone via coupling members inserted through the first and second apertures and anchored in the first and second sections, respectively.

A modular bone plate includes a first plate member including a first connection portion having a first hole and a second plate member including a second connection portion having a second hole. The first plate member is connectable to the second plate member when the first plate member and the second plate member are arranged such that the first hole and the second hole overlap. The modular bone plate also includes a connector member that is insertable into the first hole and the second hole when the first hole and the second hole overlap such as to connect the first plate member and the second plate member. The connector member includes a passage that is configured to accommodate a portion of a bone anchor therein.

A combined inserter for insertion of an intramedullary nail and a bone plate together. The combined inserter includes a body that includes a longitudinal axis, a distal end, and a proximal end. The combined inserter includes an intramedullary nail coupler coupled to the body and configured to couple to an intramedullary nail; and a bone plate coupler coupled to the body and configured to couple to a bone plate.

An intramedullary nail includes a shaft between a proximal end and a distal end. The distal end includes a first bend that extends from an anterior side of the intramedullary nail toward a posterior side and a second bend that extends from the posterior side toward the anterior side of the intramedullary nail. The two bends transfer an insertion force on a distal end of the intramedullary nail to, and along a longitudinal axis of the shaft of the intramedullary nail.