| 摘要 |
PROBLEM TO BE SOLVED: To ensure smooth expansion for a chest structure for preventing the structure from expanding and deforming to other directions except a patient's chest direction by forming the expandable and contractable structure of compressed fluids by using a thin sheet, and by reinforcing sections excluding the chest direction of the patient in the structure with reinforcing members comprising line-like, bar-like, belt-like, and spring-like members. SOLUTION: A chest pressing structure 1 of a massage device, which is used to give heart massage to a patient whose heart is stopped by an accident, a disease or the like, is formed bag-like shape of a thin sheet which can be expandable and contractable by compressing fluids, and sections excluding a chest direction of the patient in the structure are reinforced by reinforcing members 2 (a figure in a line-like reinforcing member) comprising line-like, bar-like, belt-like, and spring-like members. The chest pressing structure 1 can be flexibly expanded and contracted to the chest direction of the patient by supplying and discharging the compressed fluids thereby to prevent the structure from expanding and deforming to other directions except the chest direction of the patient, to reduce unnecessary consumption of the compressed fluids, and to reduce energy of a driving source. An elastic body for giving contraction may be assembled in the chest pressing structure 1.
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