BED MATTRESS FOR PREVENTING BEDSORE OF PATIENT AND GIVING CONVENIENT BEDSTEAD TO HIM/HER

摘要

PURPOSE: A bed mattress is provided to prevent the bedsore of a patient who has a trouble with free movement by helping his/her blood circulation, and also to allow the healthy people to fall into a deep sleep by giving a convenient bedstead to them. CONSTITUTION: The bed mattress includes: a set of many blocks(12), arranged on the top(11) of the bed mattress(10) and divided into more than three groups to be regularly arranged in order and then to be connected with more than three flat boards(13) by a bolt(20) which has a smaller diameter than the block(12); and a nut type lifting device(30), moving the three flat boards up and down in turn. The bolt(20) is coupled with a second and third flat boards and then connected to the block(12) through the penetration hole of the first and second boards. Each one third of the blocks(20) is moved down and then up at an ultra-slow speed by the lifting device(30).