The sinking operation was delayed when a Canadian fishing boat expressed interest in salvaging the Japanese boat. The Canadian ship eventually determined it could not tow the crippled vessel.

This paper analyses the operation principle of the device model, determines the value of the pull force of sinking mattress winch and the optimum speed parameter of the system.

Methods 34 consecutive patients were implanted HA piece or medpor under the periosteum. Using exophthalmometer to measure the degree of lid sinking before and after operation.