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A chair bed including a bedframe and a mattress positioned on the bedframe is provided. The bedframe is configured to move between a substantially flat bed position and a chair position. The mattress includes an inflatable treatment apparatus such as a pulmonary rotational therapy device, a pulsatio

A chair bed including a bedframe and a mattress positioned on the bedframe is provided. The bedframe is configured to move between a substantially flat bed position and a chair position. The mattress includes an inflatable treatment apparatus such as a pulmonary rotational therapy device, a pulsation therapy device, or a decubitus ulcer treatment device.

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A chair bed including a bedframe and a mattress positioned on the bedframe is provided. The bedframe is configured to move between a substantially flat bed position and a chair position. The mattress includes an inflatable treatment apparatus such as a pulmonary rotational therapy device, a pulsatio

A chair bed including a bedframe and a mattress positioned on the bedframe is provided. The bedframe is configured to move between a substantially flat bed position and a chair position. The mattress includes an inflatable treatment apparatus such as a pulmonary rotational therapy device, a pulsation therapy device, or a decubitus ulcer treatment device. wherein twin protrusions, each having an egg shape, are integrally formed on a backward tail end central region of the seat by molding, the twin protrusions comprising a left protrusion and a right protrusion, the protrusions including top surfaces formed thereon, a front groove formed in a front direction between the left protrusion and the right protrusion, a rear groove formed in a rear direction between the protrusions, and a boundary surface formed by the grooves between the protrusions, the protrusions having a symmetrical structure, the protrusions height, diameter and circular circumference having different sizes depending on the width of each of the gluteal regions of a user and the thickness of each of the gluteal muscles of the user, and the height and the diameter of the protrusions having size ratios corresponding to compressed depth of each of the gluteal muscles of the user and the thickness of each of the gluteal muscles of the user, and the lid cover is formed with a curved shape in order to protect the twin protrusions. 10. The toilet seat arrangement of claim 9, wherein the rear surfaces of the protrusions form an inverse W shape around the rear groove and the rear surfaces of the protrusions are rear curved surfaces, the front surfaces of the protrusions forming a W shape and comprising front curved surfaces, and the front curved surfaces of the protrusions have a greater downward slope than the rear curved surfaces of the protrusions. 11. A toilet seat bowl including the toilet seat arrangement of claim 9. 12. The toilet seat arrangement of claim 9, wherein the protrusions are integrally formed on the tail end central region of the seat by injection molding using thermoplastic resins. 13. The toilet seat arrangement of claim 12, wherein the thermoplastic resins comprise acrylonitrile-butadiene copolymer resins, and the seat and the protrusions use the same thermoplastic resins and have the same color. 14. The toilet seat arrangement of claim 9 wherein compression and relaxation motions of each of the gluteal muscles of the user on the top surfaces of the protrusions are repeated 3 to 6 times, and repeating of the compression and relaxation motions on a lower region of the rectum of the user from the compression and relaxation motions of each of the gluteal muscles on the top surfaces produced by the forward and backward motion of the upper body of the user on the top surfaces, excrement in the rectum of the user is changed from the accumulated state into an activation state. 15. The toilet seat arrangement of claim 14 wherein the compression and relaxation motions of each of the gluteal muscles on the top surfaces are repeated in a motion mode of a rocking chair, and compression and relaxation on the rectum of the user by the compression and relaxation motions of each of the gluteal muscles on the top surfaces are produced and provide the equivalent effect of a breathing or respiration action by acting as an artificial respiration method. 16. The toilet seat arrangement of claim 14 wherein the compression and relaxation motions in the rectum of the user have massaging effects on the rectum of the user. Kurisaki et al., 004/420.4; US-6070276, 20000600, Yeung, 004/442; US-6076200, 20000600, Yeung, 004/442; US-6145138, 20001100, Nakamura et al., 004/425; US-6397405, 20020600, Grech et al., 004/420 ovable board from lifting upward, off of the stationary board while in use. US-5745918, 19980500, Shukla et al., 002/144; US-6266823, 20010700, Padoan, 002/144