gigli saw gigli saw a gigli saw is a flexible wire saw used by surgeons for bone cutting. a gigli saw is used mainly for amputation, where the bones have to be smoothly cut at the level of amputation. gigli wire saw hand operated, a gigli saw is useful in performing cranial surgeries. the saw was invented by italian obstetrician leonardo gigli to simplify the performance of a lateral pubiotomy in obstructed labour.