PROBLEM TO BE SOLVED: To provide a thin and light-weight lumbar support device giving secured, lumbar support feeling without stuffiness when being worn for a long period of time and being displaced easily.SOLUTION: A lumbar support device is constituted of a knitting fabric provided with stretching properties in a longitudinal direction, moisture-absorption properties, and frictional properties and includes: a belt-like body 20 having an engaging part for engaging end regions 20A and 20B mutually on an abdominal side a pair of rod-like stays 50 disposed at a prescribed interval in a lower back part corresponding region 20C of the belt-like body in such a manner to follow a lumbar spine from both right and left sides of the lumbar spine a non-stretchable fabric 30 which is disposed in a region sandwiched between the stays and restrains the belt-like body 20 from being stretched in the longitudinal direction and a pair of right and left fastening belts 40 which are formed to have a width narrower than a vertical width of the belt-like body, have base end sides fixed in a central part in a vertical width direction of the respective stays, have tip end sides extending toward respective end parts of the belt-like body, and are provided with engaging parts engaging end regions of the belt-like body at the respective tip end sides.COPYRIGHT: (C)2014,JPO&INPIT【課題】長時間装着しても蒸れることがなく、また容易に位置ずれすることなく、安心の腰部支持感が得られる薄手かつ軽量の腰部支持具を提供する。【解決手段】腰部支持具は、長手方向への伸縮性を備え、吸湿性及び摩擦性を備えた編地で構成され、腹部側で端部領域20A,20Bを互いに係止する係止部を備えた帯状体20と、帯状体の腰背部対応領域20Cに腰椎の左右両側から腰椎に沿うように所定間隔を隔てて配置された一対の棒状のステー50と、ステーで挟まれる領域に配置され、帯状体20の長手方向への伸縮を抑制する非伸縮性生地30と、帯状体の上下幅よりも幅狭に形成され、基端側が各ステーの上下幅方向で中央部に固定されるとともに先端側が帯状体の各端部に向けて延出され、帯状体の端部領域に係止する係止部が各先端側に設けられた左右一対の緊締ベルト40とを備えている。【選択図】図2
