Hypafix Dressing Retention Tape Hypafix Dressing Retention Tape is an adhesive, non-woven fabric for dressing retention. Retention of post-operative wound dressings Retaining gauze and absorbent pads To secure catheters and drainage tubes Benefits of Hypafix Dressing Retention Tape: Combines security with comfort Highly conformable Provides reliable fixation for catheters and drainage tubes Allows joints to be dressed without constraining movement.