PROBLEM TO BE SOLVED: To provide a treatment machine which can implement an effective treatment over the entire body of a person to be treated by expanding the treatment for limbs such as arm parts and leg parts of the person to be treated.SOLUTION: An expandable/reducible bag 4a for the operation of expansion or reduction to be made by the supply or discharge of air with an airing device 42a is disposed at a proper position of a seat part 11a or a back rest part 12a of the body 10a of a chair with a foot rest part 13a, the seat part 11a, the backrest part 12a and elbow rest parts 14a. The backrest part 12a is also provided with a liftable treatment mechanism 3a capable of conducting treatments in diversified manners on the back of the person to be treated. A forearm insertion opening part 61a which allows the forearm part of the person to be treated to be inserted from behind the inside of the elbow rest part 14a is opened into each of the elbow rest parts 14a while a hollow part 62a which is extended from the forearm insertion opening part 61a to insert and hold the forearm part of the person to be treated is provided inside the elbow rest part 14a. Thus, a forearm part treatment mechanism 6a capable of treating the forearm part of the person to be treated is arranged at locations of the internal wall surface 621a of the hollow part 62a.COPYRIGHT: (C)2008,JPO&INPIT【課題】 施療者の腕部または脚部などの肢体に対する施療を拡充し、施療者の全身に対する効果的な施療を実施する事が可能な施療機を提供する。【解決手段】 足載部13aと座部11aと背凭れ部12aと肘掛部14aを備えた椅子本体10aの座部11a又は背凭れ部12aの適位置に、空気給排装置42aによる給排気により膨縮動作を行わせる膨縮袋4aを配備する。又、背凭れ部12aには、施療者背面に多様な形態で施療を施し得る昇降自在な施療機構3aを設ける。そして肘掛部14aに、肘掛部14aの内側後方から施療者の前腕部を挿入し得る前腕挿入開口部61aを開設すると共に、該前腕挿入開口部61aから延設して肘掛部14aの内部に施療者の前腕部を挿入保持し得る空洞部62aを設け、該空洞部62aの内部壁面621a各所に施療者の前腕部に施療を施し得る前腕部施療機構6aを設けている。【選択図】 図1