Abstract: A unicondylar posterior cutting block, method of use and kit of surgical components are provided, with the cutting block comprising: a base which is mountable on a resected proximal tibial surface of a knee of a patient in use; and a body pivotally attached to the base, the body including an alignment formation arranged to align with a marking on a femur in use, the body defining a cutting guide therein for receiving a cutting instrument to make a unicondylar posterior cut in the femur and wherein moving the alignment formation to align with the marking on the femur causes the body to rotate relative to the base and to tilt the cutting guide relative to the base. Different bases offer different cut positions and rotation of the base offers further different cut positions.

Abstract: A spiked head assembly for a tibial jig for use during an orthopedic surgical procedure, includes a body and a mount for mounting the spiked head assembly on the tibial jig. The spiked head assembly comprises an elongate member having a central longitudinal axis, a first end and a second end and superior and inferior surfaces. The elongate member also has least one securing spike provided on the inferior surface towards the second end of the elongate member and configured to engage with a bone mass and arms extending from the elongate member in a direction perpendicular to the inferior surface. The arms are spaced apart from a plane that includes the central longitudinal axis and extends substantially perpendicularly to the inferior surface, so that the arms and the inferior surface define an access space for the surgical procedure.

Abstract: A spiked head assembly for a tibial jig for use during an orthopaedic surgical procedure, includes a body and a mount for mounting the spiked head assembly on the tibial jig. The spiked head assembly comprises an elongate member having a central longitudinal axis, a first end and a second end and superior and inferior surfaces. The elongate member also has least one securing spike provided on the inferior surface towards the second end of the elongate member and configured to engage with a bone mass and arms extending from the elongate member in a direction perpendicular to the inferior surface. The arms are spaced apart from a plane that includes the central longitudinal axis and extends substantially perpendicularly to the inferior surface, so that the arms and the inferior surface define an access space for the surgical procedure.

Abstract: A device and method of correcting a spinal defect in a patient employs the use of shape memory material in a spinal correction device. The shape memory material may be transitioned between a flexible martensitic state to allow shaping of the spinal correction device and a rigid austenitic state to apply corrective forces to the spine. The shape memory material may be transitioned to the flexible martensitic by applying a coolant, such as cold gas, directly or indirectly to the shape memory material to transfer heat away from the material. The cooling device and method may allow for in-vivo shaping of the spinal correction device while inserted in the body and attached to bone anchors by cooling the spinal correction device after insertion.