PROBLEM TO BE SOLVED: To expand a range of massage that a massage device executes for a body region of a person undergoing a therapy.SOLUTION: A massage unit 10 of a massage device 1 includes a first member 11 and a second member 12 to be provided on both sides of an arm of a person undergoing a therapy, and one side of a space S1 formed between the first member 11 and the second member 12 is opened for putting in/out the arm. The massage unit 10 further includes: air cells 31 provided along with the first member 11 and coming into contact with the arm； and a grip mechanism 30 that displaces the first member 11 along with the air cells 31 in a direction of narrowing the space S1 as a whole and displacing it in the direction of the opening side.SELECTED DRAWING: Figure 2【課題】被施療者の身体部位に対してマッサージ装置が行うマッサージの範囲を広げる。【解決手段】マッサージ装置１のマッサージユニット１０は、被施療者の腕の両側に設けられる第１部材１１及び第２部材１２を有し、第１部材１１と第２部材１２との間に形成される空間Ｓ１の一方側が腕の出し入れのために開口している。マッサージユニット１０は、更に、第１部材１１と共に設けられ腕に当接可能なエアセル３１と、このエアセル３１と共に第１部材１１を全体として空間Ｓ１を狭くする方向へ変位させかつ前記開口側の方向へ変位させる掴み機構３０とを有している。【選択図】 図２
