Lateral connector for tube assembly

摘要

A coupling element having two ends, and outer surface and a longitudinal axis extending between the ends, wherein the first end of the coupling element defines a sealing surface where extends normally to the longitudinal axis and the outer surface of the other end defines a cam follower surface forming an angle on the range of from about 2 to about 10 degrees with respect to the longitudinal axis and wherein the second end defines the cam follower surface and the coupling element defines a passage extending from the sealing surface to the outer surface and apparatus comprising the coupling element and valve elements.