Abstract: According to an exemplary embodiment, a cutting block for cutting the femur during knee arthroplasty surgery may be provided. The cutting block may include a cutting guide having a number of slots for guiding a cutter to cut the femur and further comprising a slide extending from the frame of the cutting guide. The cutting block may further include a body that may have a groove with flanges, wherein the space defined by the groove and the flanges may receive the slide extending from the frame of the cutting guide. Further, a feeler gauge may include a support block receiving a pointer arm, wherein the pointer arm may include a pointer that may be configured to make contact with patient bone tissue. A foot including a pair of spaced apart flanges configured to engage the posterior condyles of the patient's femur may also be included in the cutting block.

Abstract: According to an exemplary embodiment, a cutting block for cutting the femur during knee arthroplasty surgery may be provided. The cutting block may include a cutting guide having a number of slots for guiding a cutter to cut the femur and further comprising a slide extending from the frame of the cutting guide. The cutting block may further include a body that may have a groove with flanges, wherein the space defined by the groove and the flanges may receive the slide extending from the frame of the cutting guide. Further, a feeler gauge may include a support block receiving a pointer arm, wherein the pointer arm may include a pointer that may be configured to make contact with patient bone tissue. A foot including a pair of spaced apart flanges configured to engage the posterior condyles of the patient's femur may also be included in the cutting block.

Abstract: An orthosis for the leg which releases automatically upon a preselected dorsiflexion of the ankle followed by a preselected plantar flexion of the ankle is described. The orthosis has an upper member for securing to the upper part of the leg and a lower member for securing to the lower part of the leg, the upper and lower members interconnected by a pivoting means for placement at the knee. In a preferred embodiment, the orthosis is provided with a lock hinge which spans the pivoting means and locks the upper member and lower member when the leg approaches extension during a gait cycle, thereby providing stability when the foot of the braced leg strikes the ground. An automatically releasing mechanism is responsive to a preselected plantar flexion of the ankle occurring during a gait cycle after a preselected dorsiflexion of the ankle has occurred.