When decubitus uses, limits when the patient action has certain activity space. Fixes the patient on the surface of bed, is different with the uncomfortableness which the traditional bandage type ties a belt approximately, the patient still might stand up from failure perhaps sit up, user-friendly design, restraint, but non-compulsion. Magnetism controls the design which locks, but fast will move restlessly perhaps needs the restraint to do fixedly, must want the magnetic key to be able to open, does not need to worry that the patient pulls and so on questions vigorously.
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