PROBLEM TO BE SOLVED: To provide a technical aid for a wheelchair, in which the body position of a patient riding on a wheelchair can be brought into a stable state to easily treat and to provide a reservoir support, an airbag, and a storage box.SOLUTION: The technical aid 1 for a wheelchair includes: a pair of wheelchair fixation plates 10 that has a putting surface 11a that puts a wheelchair 2 a connector 13 that connects between the pair of wheelchair fixation plates 10 a tilting table 3 that supports the wheelchair fixation plates 10 in an inclining condition and movement control instruments 14 and 15 that control the wheelchair 2 put on the putting surface 11a. The pair of wheelchair fixation plates 10 is brought into a developed state by centering on the connector 13 when treating a patient, and a wheel 21 of the wheelchair 2 is controlled by the movement control instruments 14 and 15 to put the wheelchair 2 on the putting surface 11a to be in a state that the wheelchair 2 is inclined together with the wheelchair fixation plates 10 by arranging the tilting table 3 in the lower surface of the wheelchair fixation plates 10, and when not treating a patient, a pair of wheelchair fixation plates 10 is made to be folded.COPYRIGHT: (C)2012,JPO&INPIT【課題】車椅子に乗った患者の体位を治療し易く安定した状態にすることができる車椅子用補助器具、バックサポート、エアバッグ及び収納ボックスを提供すること。【解決手段】車椅子用補助器具1は、車椅子2を載置する載置面11aを有する一対の車椅子固定プレート10と、一対の車椅子固定プレート10同士を連結する連結具13と、車椅子固定プレート10を傾斜させた状態に支持する傾斜台3と、載置面11aに載置された車椅子2を移動を抑止する移動抑止具14,15とを備えている。診療時には、一対の車椅子固定プレート10を連結具13を中心として展開状態にして、車椅子2の車輪21を移動抑止具14,15で抑止させて載置面11aに車椅子2に載置すると共に、車椅子固定プレート10の下面に傾斜台3を配置して、車椅子固定プレート10と共に車椅子2を傾斜させた状態にし、非診療時には、一対の車椅子固定プレート10を折畳可能にする。【選択図】図1