ELECTRIC DEVICE FOR CERVICAL TRACTION

IT IS MADE OF:-    HEAD PIECE (UNDER MANDIBLE, MASTOID PROCESS, OCCIPUT)-    2 PULLEYS BESIDE THE HEAD PIECE AND BESIDE EACH OTHER-  WIRE (ARISES FROM THE 2ND (I.E. LATERAL) PULLEY & PASSES OVER THE UNDER SURFACE OF 2ND PULLEY THEN THE UPPER SURFACE OF 1ST PULLEY THEN JOINS THE SIDE OF THE HEAD PIECE)- MOTOR-   SHOULDER BLADE OR JACKET-   LONGITUDINAL CONNECTING BAR-  TRANSVERSE CONNECTING BAR-  BATTERY- CHARGER- ON/OFF BUTTON-  COVER-    TIMERN.B. THE DIAMETER OF THE 1ST PULLEY IS SMALL WHILE THAT OF THE 2ND IS LARGE TO ACT AS A LEVER TO MULTIPLY THE FORCE THAT IS PRODUCED