FiberLock™ CMC Suspensionplasty
The FiberLock™ suspension system is a single-incision suture suspensionplasty using the latest in anchor and suture technology. A FiberTak® all-suture anchor provides cortical fixation on the far cortex of the 2nd metacarpal. The 1st metacarpal is suspended from the 2nd using the FiberTak anchor SutureTape, which is then secured into a knotless DX SwiveLock® SL anchor in the 1st metacarpal.
Ligament Reconstruction - Tendon Interposition
After removal or resection of the trapezium the FCR tendon is routed through the base of the 1st metacarpal via a pre drilled and sized hole. The Arthrex QuickPass Tendon Shuttle is used to help facilitate passage of the tendon through the drill tunnel. Once passed the graft is tensioned to obtain appropriate suspension and a 4 x10 or 4.75 x 15 tenodesis screw is advanced to lock the graft into position. The remaining tendon tails can be cut flush or interposed into the joint space if desired.
Mini TightRope® CMC Technique
The Mini TightRope technique provides a unique method for stabilization of the thumb metacarpal following trapezial resection or removal for the treatment of CMC arthritis. The Mini TightRope technique can also be used as an adjunct and stabilizer in CMC instability and in the case of revision with proximal migration after tendon reconstruction.The Mini TightRope technique supports and maintains the thumb and index metacarpals in proper relationship, while allowing for healing and scar tissue formation in the trapezial space. The construct consists of 2 strands of #2 FiberWire® suture, which are fixed with 2 oblong stainless steel buttons for cortical fixation.For more specific information about the Mini TightRope CMC fixation technique, please see the Mini TightRope CMC surgical technique guide.