Smartlipo and Ultrashape are different concepts
Smartlipo is one of several techniques we use for liposuctioning away the fat. It has the advantage of producing significant skin tightening (as long as the area involved is not too large), besides removing the fatty deposits. We see good skin tightening, for example in the neck, and arms.
It is a surgery, usually done with tumescent ( a variant of local) anesthesia.
Ultrashape is not a surgery. There is no removal of fat. The theory apparently is that ultrasonic...