| 摘要 |
PROBLEM TO BE SOLVED: To provide an elastic body which a user can select at user's convenience the kind and properties of fluid to be sealed inside and can be used in various kinds of ways according to a using purpose to enable many people including a person having disease in the hip part and requiring help to accept easy environment. SOLUTION: This bag comprises a plurality of divided chambers 1. A communication hole 2 is formed in each chamber 2 and is made into a slit of prescribed length. A flow velocity or a flow rate of fluid passing through the slit 2a is made adjustable corresponding to the communication pressure P and grades of recess and softness are made adjustable corresponding to user's pushing power P' to enable a desired volume of fluid such as gas, liquid, etc., to be sealed into the chamber 1 corresponding to user's desire.
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