PROBLEM TO BE SOLVED: To inexpensively provide a chair for medical use, capable of allowing a patient to be easily seated, regardless of a physique, to move to a treatment without causing neither back abrasion nor fear in the action of the chair, and to sufficiently raise up to a height suitable for the treatment.SOLUTION: The chair for medical use includes: a seat part base 7 having seat pivotal support parts 9b arranged close to the great trochanters of a seated person back rest links 9 to which a back rest 5 is attached and which pivotally support a seat part board by the seat pivotal support parts an elevating base 3 for freely rotatably supporting the back rest link by a back rest pivotal support part 3a which is formed at a position separated backward from the seat part board and also a position higher than the upper horizontal surface of a seat part 7a on the seat base in a chair state a seat part link 8 where one end 8a is pivotally supported by the elevating base and the other end 8b is pivotally supported by the seat part base a base seat 1 a straight-elevating guide 4 for performing guide so as to move the elevating base in a vertical direction a rising/falling actuator 6 pivotally supported by a cylinder pivotal support part 3b and an elevating actuator 2.COPYRIGHT: (C)2009,JPO&INPIT【課題】体格に関わらず患者が着座しやすく、椅子の動作で背擦れや恐怖心を生じないで治療に移行でき、さらに治療に適した高さまで十分に上昇できる医療用椅子を安価に提供する。【解決手段】着座者の大転子付近に座部軸支部9bを設けた座部台7と、背凭れ5が取付けられ、かつ、前記座部基板を前記座部軸支部で軸支する背凭れリンク9と、該座部基板の後方より離れた位置で、かつ、椅子状態における前記座部台上の座部7aの上面水平面より高い位置に形成された背凭れ軸支部3aで背凭れリンクを回動自在に支持する昇降基台3と、一端8aが前記昇降台に軸支され他端8bが前記座部台に軸支された座部リンク8と、台座1と、前記昇降基台が鉛直方向に動作するよう案内する直上ガイド4と、シリンダ軸支部3bで軸支された起伏用アクチュエータ6と、昇降用アクチュエータ2とより構成した医療用椅子である。【選択図】図1
