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    • 7. 发明专利
    • Traction device
    • GB2198354A
    • 1988-06-15
    • GB8629559
    • 1986-12-10
    • ROSEN GERALD M
    • ROSEN GERALD M
    • A61H1/02
    • Apparatus for use by a person laying on a support surface to enable the person to apply spinal traction to him or herself, the apparatus comprises a generally U-shaped frame (100) with parallel side rails (108, 110) and a somewhat elevated crossbar (112) connecting the side rails, a flat, seat-forming carriage (102) mounted for back and forth adjustment along the rails, a cord grip (118) on the crossbar, a hip-encompassing belt (104) for a user, and a cord (106) for extending from the base of the belt through the cord grip. With this form of the apparatus, the user places the belt around the hips, sits on the carriage, and with the knees slightly flexed engages the cord in the cord grip under minimum tension. The user then lies back, grips the carriage and exerts pressure with the feet against footrests (114, 116) on the crossbar so as to straighten the legs and move the carriage back along the rails thereby increasing the cord tension and applying spinal traction to the lower back.