MECHANICAL TREATMENT TABLE, MORE SPECIFICALLY DESCRIBED AS AN UPHOLSTERED TABLE WITH AN OPENING OR SLOT NEAR THE HEAD OVER WHICH A PATIENT LIES ON HIS BACK; (OPERATING THROUGH THE SAID SLOT IS A SERIES OF ROLLERS MOTIVATED BY AN ELECTRIC MOTOR, THAT ALTERNATELY RAISES AND LOWERS THE PATIENT, OBTAINING PASSIVE MOTION IN THE JOINTS OF THE SPINAL COLUMN; THE HEIGHT OF THE ROLLERS IS ADJUSTABLE; THIS PASSIVE MOTION RELIEVES MUSCULAR TENSION, LIGAMENTOUS RIGIDITY, VASCULAR STASIS, AND ODEMA, WHICH...