| 摘要 |
PURPOSE: To provide a futon (Japanese mattress filled usually with cotton) capable of preventing the bedsore of a patient lying in an unmoving state over a long term, giving a favorable environment even for use by a healthy person and causing a person to easily have a quiet sleep. CONSTITUTION: This futon consists of a cylindrical bag type sheet 1 made of a plurality of cylindrical bags 11, each with both or one end open, jointed to one another, as well as a futon base material 2 made of a trench material of synthetic resin for a civil engineering work having an external surface covered with net type fabric 21 for insertion in and taking out from the bags 11. |
