Patents Examined by J. Mollo
  • Patent number: 5217488
    Abstract: A motor-operated traction device includes an actuator consisting of a DC motor and a worm shaft assembly and controlled by a controller to reciprocate a rocker arm causing a horizontal pull rod to pull a waist harness and a neck harness so as to apply traction to the patient's spine.
    Type: Grant
    Filed: August 20, 1992
    Date of Patent: June 8, 1993
    Inventor: Kuang-Hsing Wu