Vacuum-assisted closure (VAC) is a method of decreasing air pressure around a wound to assist the healing. It’s also referred to as negative pressure wound therapy. During a VAC procedure, a ...

Equipment: A pump and a tin quart sized can with a screw cap. What it does: The pump is attached to the can and is turned on to evacuate the can. The resulting vacuum crushes the can.

A penis pump uses negative air pressure to engorge the blood vessels in your penis to help you develop an erection. Using the pump as directed is essential to prevent injury and other unwanted side ...