THIS MASSAGE HEAD IS FITTED WITH A CASE (2, 11) DEFINING AN INTERNAL CHAMBER IN WHICH A SKINFOLD IS FORMED WHEN IT IS APPLIED TO THE SKIN OF A PATIENT, SAID FOLD PRESSING AGAINST THE LOWER EDGES OF THE CHAMBER, THE LATTER BEING DEFINED BY TWO LATERAL WALLS AND BY TWO TRANSVERSE WALLS (15, 16), SAID TRANSVERSE WALLS EACH COMPRISING A CLACK VALVE ABLE TO BE DRIVEN IN A PIVOTING MOTION, SO AS TO CAUSE THE LOWER EDGES OF SAID CLACK VALVES IN CONTACT WITH THE SKINFOLD TO COME CLOSER TOGETHER OR MOVE FURTHER APART. THE RELATIVE DISPLACEMENT OF THE CLACK VALVES IS ENSURED BY MEANS OF A MOTORIZED ROTARY CAM (10) PROVIDED IN THE MASSAGE HEAD, SAID CAM DEFINING A CAM PATH ENGAGING WITH A COMPONENT ASSOCIATED WITH SAID CLACK VALVES, ABLE TO CAUSE THE SWIVELLING MOTION THEREOF.
