Patent ID: 7618072
Filing Date: 2009-11-17
Classification: A61M

Abstract:
1. A connector, comprising: a male-side connector including a male connector main body and a tip portion configured such that an outer peripheral surface of the tip portion and an inner peripheral portion of a base end of the main body form a gap therein, the male-side connecter having a lock ring attached to an outer peripheral side of said male connector main body, wherein a female thread is formed on an inner peripheral surface of the lock ring; a female-side connector having a female connector main body and a connecting portion configured such that an outer peripheral surface of the connecting portion and an inner peripheral portion of a base end of the main body form a gap therein, the female-side connector having a male thread formed on an outer peripheral surface of the main body of the female-side connector and wherein at least one engagement protrusion is set to a rear of the male thread; at least one notch portion corresponding to the at least one engagement protrusion, the at least one corresponding notch portion set on a tip portion of said lock ring and configured to engage with the engagement protrusion such that when said male thread of said female-side connector and said female thread of said lock ring are screwed together, said at least one engagement protrusion and said at least one corresponding notch portion are engaged with each other; and first and second tube bodies, wherein the first tube body is connected to the male-side connector tip portion and positioned such that a tip of the first tube body engages the gap formed between the outer peripheral surface of the tip portion and the inner peripheral portion of the base end of the main body of the male-side connector and wherein the second tube body is connected to the female-side connector such that a tip of the second tube body engages the gap formed between the outer peripheral surface of the connecting portion and the inner peripheral portion of the base end of the main body of the female-side connector such that when said male thread of said female-side connector and said female thread of said lock ring are screwed together, the first tube body and the second tube body are connected to each other via said male-side connector and said female-side connector.