PROBLEM TO BE SOLVED: To provide a medical connector which has high connection operability by obtaining strong and sure connectability in the connector of a medical instrument for connecting a hollow member for transporting liquid or gas for medical use.;SOLUTION: The connector which is hollow and cylindrical and is provided with a spiral bar to be screwed with a device to be connected at its inner surface part consists of the first connection member provided with spiral bars respectively at its outer surface part and the inner surface part and provided with at least two or more slits on the side of a front end part and the second connection member in a hollow and cylindrical state, which is provided with the spiral bars on the inner surface part so as to be screwed to the outer periphery of the first connection member. When rotating the second connection member in the screwing direction of the first connection member, the diameter of the side of the front end part of the first connection member is-reduced. The first connection member and the device to be connected are connected by screwing and the screwing is strengthened by the second connection member provided at the outer peripheral part of the first connection member in this double Luer-Lok type connector.;COPYRIGHT: (C)2002,JPO
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