METHOD, IMPLANT & INSTRUMENTS FOR PERCUTANEOUS EXPANSION OF THE SPINAL CANAL

摘要

A bone saw and a method for using the bone saw. The bone saw includes a saw blade comprising a distal end, a proximal end, and a distal tip comprising a cutting edge. The flexible saw blade is rectangular in shape over at least a portion thereof. The bone saw further includes a saw handle base insert a saw shaft tip assembly comprising an opening through which the flexible saw blade is advanced. The saw shaft tip assembly may comprise a saw shaft tip comprising a channel comprising a distal end and a proximal end and a saw channel insert disposed within the channel of the saw shaft tip to form a lumen between the saw shift tip and the saw channel insert. The bone saw may further comprise a saw blade advancement mechanism coupled to the flexible saw blade for moving the flexible saw blade in discrete amounts.