Anti decubitus mattress is used to prevent body sore of patients who cannot move/shift their body.It can be used both at home or even at the hospital.Its function is to lower the interface between the patient skin and the support medium.It can be used for pain alleviation and prevention of pressure ulcers in patients who are at risk.Some of the criteria necessitating the use of ripple mattress may include the presence of pressure ulcers or burns patients not able to move freely & also patients connected to ventilation devices or complex life support & monitoring devices as typically found in an ICU or burns department.Ofcourse our grandmums and dads who cannot shift/move their bodies in bed will be better off with this ripple mattress.