Suitable for orthopedic, stroke patients to maintain posture nursing beds

The present invention relates to orthopedic applicable to, stroke patients holding posture nursing bed, comprising a bed frame and mattress, the mattress interior is filled with a filler shear thickening fluid, the shear thickening fluid is dispersed from the filler particles, the dispersion medium and a surfactant. Using a material having a shear thickening fluid properties "shear thickening" of the mattress as a filler, to improve the degree of bonding of the patient's body and the mattress, the surface of the body under a uniform force to prevent the patient's body due to the force generated concentratedly bedsores: prevent the patient quickly, or abnormal involuntary movement, in favor of fixed orthopedic or stroke patient's personal position.