Patent ID: 7452349
Filing Date: 2008-11-18
Classification: A61M,Y10S

Abstract:
1. A medical connector system comprising: a male type connector including a tube connecting portion at a rear end portion of the male type connector; a protective cap having a substantially cylindrical shape with a closed end and being capable of connecting and disconnecting with/from a front end side of the male type connector; an inner cap including an annular portion that supports a disinfectant-impregnated member in the annular portion, the inner cap being retained inside the protective cap in an initial state; and a female type connector having a double-cylinder structure in which an inner cylinder is fixed at one end portion of an outer cylinder, the inner cylinder including an internal end portion located inside the outer cylinder and an external end portion that is exposed outside the outer cylinder and is capable of connecting with a tube, wherein the inner cap includes a plurality of engaging legs extending from the annular portion in a direction along an axis of the annular portion, an engaging convexity is formed on an outer surface of a front end portion of each of the engaging legs, the front end portion of the male type connector has a cylindrical shape and includes engaging concavities so as to allow the engaging convexities at the engaging legs to engage with the engaging concavities from inside, an inner cap retaining portion is formed on an inner wall surface of the protective cap, and a force exerted by the engagement between the engaging convexity of the inner cap and the engaging concavity of the male type connector is larger than a force exerted by the inner cap retaining portion to retain the inner cap, when the protective cap with the inner cap retained in the protective cap is fitted with the male type connector, the engaging convexities at the engaging legs engage with the engaging concavities of the male type connector, when the protective cap is removed from the male type connector, the inner cap is retained at the front end of the male type connector and is detached from the protective cap, and when the male type connector with the inner cap retained in the male type connector is connected with the female type connector, the internal end portion of the inner cylinder penetrates through the disinfectant-impregnated member, so that a channel is opened.