Compression unit, sequential

Intended purpose

A device used for noninvasive treatment of venous disorders. It promotes venous emptying and mimics muscular activity, and is used to apply a counterpressure on a patient's arms or legs and is typically used for the treatment of oedeme in the legs. It has pneumatic stockings with several chambers which inflate and deflate sequentially in a pattern beginning at the foot or ankle and continuing to chambers around the calf and thigh. In some units, each chamber reaches the same pressure but at different times, whilst others apply greater pressure in the more distal chamber which gradually diminishes higher up.