ttp://www.tumescentliposuctionguide.com. Cosmetic procedure performed by Dr. William Hall. Liposuction is a general term for a medical procedure that removes and sculpts fat from various places on the body. This type of liposuction is vastly different technique than device-assisted liposuction. The main difference being: traditional liposuction always requires the patient to have general anesthesia or have IV sedation. As always, going under anesthesia can be a serious health risk.