Patent ID: 8402578

Claim:
A fixed bed mattress having a heating and sterilizing apparatus configured to form a closed system with air inside the fixed bed mattress, comprising: a fixed bed mattress of generally constant size that cannot collapse or deflate to a compacted size for storage or transportation between use, the fixed bed mattress having a body defining an inner space, the body defining an installation hole in a side surface thereof; a surface sheet forms a top surface of the fixed bed mattress; a built-in elastic member for elastically supporting the surface sheet of the fixed bed mattress such that the surface sheet is configured to support a person thereon without requiring additional force directed generally outwardly on an inner surface of the surface sheet; the heating and sterilizing apparatus is disposed on the fixed bed mattress and comprises: a case disposed on the installation hole defined in the body; and a heating and sterilizing part disposed in the case to heat and sterilize the inner space of the mattress body that is in fluid communication with the heating and sterilizing part by circulating air within the body, wherein the air that is circulated by the heating and sterilizing apparatus is drawn from and driven into the fixed bed mattress so as to generally form a closed air circulation system inside the fixed bed mattress, the operation of the heating and sterilizing part and the associated driving of circulated air not being necessary for the fixed bed mattress to normally support a person thereon.