69 results about "Femoral tunnel" patented technology

A surgical method and implant for directing and securing a replacement ligament into the femur or tibia of the knee. A transverse tunnel may be formed in the femur approximately perpendicular to a femoral tunnel. A flexible strand passing through the transverse tunnel may be used to draw the replacement ligament into the femoral tunnel. The implant may then be placed into the transverse tunnel and through the replacement ligament to secure the replacement ligament in place. The implant may include an eyelet to receive the flexible strand and a tapered portion forming a shoulder to prevent the implant from being inserted too far into the transverse tunnel. The implant may also have a multi-angular configured portion to secure the implant within the transverse tunnel through an interference fit.

The equal tension applying device is used to apply equal tension to a group of tendons. The device comprises a 3 to 9 inch elongate flexible member and a hook at each end of the flexible member. Typically a torn ACL is replaced with two loops of tendons defining 4 tendon strands. The ends of each strand have sutures therein. The tendon loops are fixed in a femoral tunnel with a fixation pin and extend into and through a tibial tunnel. The method includes the steps of: tying the ends of the sutures together to form a loop, placing a hook of the elongate tensioning device over the suture loop, applying tension on the device, followed by anchoring the ends of the tendon strands to the tibia.

A method of providing a replacement anterior cruciate ligament (ACL) provides a tibial tunnel and at least one femoral tunnel for receiving the replacement ligament, the femoral and tibial tunnels not being colinear but rather in an orientation that more closely mimics the natural ACL. The femoral tunnel is formed through the anterior medial portal. A cross pinning guide having a femoral rod for insertion into the femoral tunnel, a spaced apart arc shaped track and a guide block having one or more bores aligned with the femoral rod whereby an instrument inserted through one of the bores creates a pilot hole for the cross pin which intersects the femoral tunnel and an appropriate angle thereof which avoids ligaments and other sensitive tissue can be selected by adjusting the guide block along the track.

A method of reconstructing a ruptured anterior cruciate ligament in a human knee. Femoral and tibial tunnels are drilled into the femur and tibia. A transverse tunnel is drilled into the femur to intersect the femoral tunnel. A filamentary loop is threaded through the femoral tunnel and tibial tunnel and partially through the transverse tunnel. A replacement graft is formed into a loop and moved into the tibial tunnels using a surgical needle and suture. A flexible filamentary member is simultaneously moved along with the loop into the femoral and transverse tunnels. The filamentary member is used as a guide wire in the transverse tunnel to insert a cannulated cross-pin to secure a top of the looped graft in the femoral tunnel.

A soft tissue fixation system, most typically applicable to orthopedic joint repairs, such as anterior cruciate ligament (ACL) knee repair procedures, comprises an implant which is placeable in a tunnel disposed in a portion of bone, wherein the tunnel is defined by walls comprised of bone. A first member is deployable outwardly to engage the tunnel walls for anchoring the implant in place in the tunnel, and a second member is deployable outwardly to engage tissue material to be fixed within the tunnel. The second member also functions to move the tissue material outwardly into contact with the tunnel walls to promote tendon-bone fixation. Extra graft length is eliminated by compression of the tendon against the bone at the aperture of the femoral tunnel, which more closely replicates the native ACL and increases graft stiffness. The inventive device provides high fixation of tendon to bone and active tendon-bone compression. Graft strength has been found to be greater than 1,000 N (Newtons), which is desirable for ACL reconstruction systems.

A method of reconstructing a ruptured anterior cruciate ligament in a human knee. Femoral and tibial tunnels are drilled into the femur and tibia. A transverse tunnel is drilled into the femur to intersect the femoral tunnel. A replacement graft is formed into a loop and moved into the femoral and tibial tunnels using a surgical needle and suture. A flexible filamentary member is simultaneously moved along with the loop into the femoral and transverse tunnels. A pin passing member maintains one end of the filamentary wire in the transverse tunnel as the graft is being moved into place in the femoral and tibial tunnels. The filamentary member is used as a guide wire in the transverse tunnel to insert a cannulated cross-pin to secure a top of the looped graft in the femoral tunnel.

A guide for positioning a femoral tunnel during an ACL repair. The device may include a shaft having a lumen, the lumen defining a longitudinal axis, and a distal offset projection, at least a portion of the distal offset projection extending distally from the elongated shaft, wherein the distal offset projection and the shaft are moveable relative to each other.

A guide for positioning a femoral tunnel during an ACL repair. The device may include a shaft having two or more lumen extending longitudinally therethrough. The device may also include a distal offset projection, at least a portion of the distal offset projection extending distally from the elongated shaft.

The present invention provides a method of performing anterior cruciate ligament replacement. Specifically, a graft tissue is harvested from a patient and single tunnels are prepared in each of the tibia and the femur of the patient. The graft is secured in the femoral tunnel and separated into an anterior cruciate medial bundle and a anterior cruciate posterior lateral bundle. The bundles are inserted through the tibial tunnel. During insertion the posterior lateral bundle is positioned in a posterior lateral position in the tibial tunnel while the anterior cruciate medial bundle is positioned in an anterior cruciate medial position in the tibial tunnel. The anterior cruciate medial bundle is then tensioned while the patient's knee is in approximately 90 degrees of flexion, and the posterior lateral bundle is tensioned while the patient's knee is approximately in full extension. Each of the bundles is then secured in the tibial tunnel.

A surgical method and implant for directing and securing a replacement ligament into the femur or tibia of the knee. A transverse tunnel may be formed in the femur approximately perpendicular to a femoral tunnel. A flexible strand passing through the transverse tunnel may be used to draw the replacement ligament into the femoral tunnel. The implant may then be placed into the transverse tunnel and through the replacement ligament to secure the replacement ligament in place. The implant may include an eyelet to receive the flexible strand and a tapered portion forming a shoulder to prevent the implant from being inserted too far into the transverse tunnel. The implant may also have a multi-angular configured portion to secure the implant within the transverse tunnel through an interference fit.