Design modification by Morteza Meftah, MD and Ira Kirschenbaum, MD, of an original design by James T. Mazzara, MD.
A thin top cutter and deep lower cutter, with edges that are rounded off, allows the top cutter to slide into a tight space— specifically the acetabulum or the patella—while the pistol grip helps lessen hand fatigue and slippage, and allows for better visualization