The present invention easily can cope with individual differences in body shape, the effect of prevention and treatment of low back pain to provide a lumbar belt that was to ensure that the obtained. A and size in the formed elastic bag body that may cover the back portion of the lumbar spine behind and allowed to flow into the fluid in the elastic bag body inflated elastic bag body in any thickness, and flow by the plug 4 a tube 3 which can hold the bulge of the resilient pouch by the closure of the inlet, a case 7 for accommodating an elastic bag body attached to the case, extends to both sides of the case, and is attached by being wound around the waist of the users belt portion and a 6, the elastic bag is pressed against the back portion of the inflated by lumbar back according to the size of the curvature of the lumbar spine and attached to the waist of a user by means of a belt section and exert pressure on the lumbar spine.BACKGROUND 1【課題】体形の個人差にも容易に対応でき、腰痛の予防や治療の効果を確実に得られるようにした腰椎ベルトを提供する。【解決手段】腰椎背後の背中部分を覆い得る大きさに形成された弾性袋体と、弾性袋体内に流体を流入させて弾性袋体を任意の厚みに膨らませ、栓4による流入口の閉鎖によって弾性袋体の膨らみを保持し得るチューブ3と、弾性袋体を収納するケース7と、ケースに取付けられ、ケースの両側に延び、使用者の腰に巻かれて取付けられるベルト部6とを備え、弾性袋体が腰椎の湾曲の大きさに応じて膨らまされて腰椎背後の背中部分に押し当てられ、ベルト部によって使用者の腰に取付けられ、腰椎に圧力を作用させる。【選択図】図1
