How does a vacuum system close a wound?
How does a vacuum system close a wound? A wound vacuum system has several parts. A foam or gauze dressing is put directly on the wound. An adhesive film covers and seals the dressing and wound. A drainage tube leads from under the adhesive film and connects to a portable vacuum pump. This pump removes air pressure over the wound. What causes a vacuum advance to stop working? At this time there is no ported vacuum pressure. The throttle plates create a ported signal once they open and air flows past the base plate of the carburetor. Deteriorated or broken...