An information recording method performing recording on an information recording medium having multiple rewritable recording layers each having a data area in which user data is to be recorded is disclosed. The absorbent device has strings that are attached to a device around an endotracheal tube so that the absorbent device is properly dislodged at the end of the procedure. The hollow section is formed at a position which is shifted to the heat-sensing surface side with respect to the center of the temperature sensor. In one or more embodiments, data from the data stream can be fetched automatically as needed and with one or more patterns which may include one or more start positions, one or more lengths, one or more strides, etc.