Abstract: An instrument for locating a femoral mechanical axis and identifying the locations of at least three points in space in relation to the center of a femoral head, the instrument including a base member, an extension arm clamp translationally and pivotally attached to the base member, an extension arm translationally and pivotally attached to the extension arm clamp, a swiveling arm pivotally attached to a distal end of the extension arm, the swiveling arm including a lateral locator member at a proximal end and a medial locator member at a distal end, a bracket pivotally attached to the swiveling arm, and a locating arm removably attached to the bracket, the locating arm including a middle locator member.

Abstract: A method of performing a total knee arthroplasty including the steps of inserting a first pin into the distal femur and through the knee center, locating the femoral mechanical axis, inserting at least one additional pin into the distal femur, locating the tibial mechanical axis, sizing the femur and applying a femoral cutting block having at least one cutting guide to an end of the femur, positioning a tibial cutting block having a least one cutting guide in a cutting position relative to the tibia, aligning the femoral cutting block relative to the tibial cutting block, aligning the femur relative to the tibia, cutting the femur using the at least one femoral cutting guide, cutting the tibia using the at least one tibial cutting guide, removing the femoral and tibial cutting blocks, and positioning permanent femoral and tibial components on the cut portions of the femur and tibia, respectively.

Abstract: A tibial prosthesis including a tibial component including a tray having first and second opposing surfaces and a stem extending from the second surface of the tibial component, a tibial conversion module including a receiver portion defining a stem-receiving cavity for slideable engagement with the stem of the tibial component, wherein the stem of the tibial component is positioned within the stem-receiving cavity at a first end of the receiver portion, and an extension peg engaged with the stem-receiving cavity at a second end of the receiver portion that is opposite the first end of the receiver portion.

Abstract: A bone compacting device for compacting cancellous bone within a bone cavity, the bone compacting device including a body having a plurality of segments, wherein each segment is adjacent to at least one adjacent segment between a first end and a second end of the body, and wherein each of the plurality of segments is independently expandable to contact the cancellous bone.

Abstract: The present invention relates to a tool in combination with a set screw for use in spinal implant systems, and more particularly to a tool for the deployment of set screws with a break-off neck portion comprising a handle portion, a stem portion extending from the handle portion, a set screw retaining means, and a driving means extending from the stem portion and disposed opposite the handle portion. The driving means is adapted to allow the installation of the set screw to the bone and applying torque for the shearing of the neck portion thereof, and at the same time is adapted to remove the installed screw portion of the said set screw when needed.

Abstract: A distal targeting device for locating at least one distal screw hole in an intramedullary nail that is positioned within a medullary canal of a bone, the device including an elongated and reconfigurable probe that is positionable inside a lumen of the nail.

Abstract: The present invention relates to an intramedullary nail distal targeting device (20) adapted to be installed to an external jig system (A) having a proximal attachment (B) to support an intramedullary nail (C) thereon and an extension arm (D) secured to the proximal attachment (B), the nail distal targeting device including a drill guide (21) being defined by an abbreviated cylindrical body (23) having at least a pair of guide slots (24, 24?) each of the guide slots (24, 24?) having a scalloped inner surface (25), an attaching mechanism (22) being provided at the upper portion of the drill guide (21), the attaching mechanism (22) secured in a rotating and sliding manner to a distal end of the extension arm (D) and at least a pair of guide sleeves (10, 10?) being telescopically fitted correspondingly into the slots (24, 24?) of the drill guide (21), each of the guide sleeves (10, 10?) having a scalloped outer surface to correspondingly fit into the guide slots (24, 24?), each of the guide sleeves (10, 10?) bei

Abstract: A cervical plate system which includes a cervical plate having a thickness between a top surface and an opposite bottom surface, and at least one slot extending through the thickness of the plate. The system further includes a first rotating element positionable within a first slot of the cervical plate, the first rotating element including at least one threaded hole, and at least one bone screw insertable into the at least one threaded hole of the first rotating element.

Abstract: A spinal implant system is provided for correcting spinal abnormalities. The system involves connectors configured to fit over spinal implant rods, a transverse rod, and a locking member for fixing each connector to the spinal implant rod and transverse rod. The connector is configured such that when the locking member is in a first position, the transverse rod is temporarily fixed to the connector, and when the locking member is in a second position, both the transverse rod and spinal implant rod are fixed to the connector.

Abstract: A spinal implant assembly is provided for stabilizing the spine. The assembly includes an elongated plate, bolts, and nuts. The plate is fixed to vertebrae spanning an injury or deformity to a disc or vertebra using the bolts and nuts. Screws can provide additional stability. The nuts are configured to extend through the plate to clamp the plate between collars on both the bolts and nuts.

Abstract: A spinal implant system is provided for correcting spinal abnormalities. The system involves connectors configured to fit over spinal implant rods, a transverse rod, and a locking member for fixing each connector to the spinal implant rod and transverse rod. The connector is configured such that when the locking member is in a first position, the transverse rod is temporarily fixed to the connector, and when the locking member is in a second position, both the transverse rod and spinal implant rod are fixed to the connector.