Patent ID: 9398842
Filing Date: 2016-07-26
CPC Classification: A61B

Claim Text:
1. A endoscope valve comprising: a cylinder that has a groove on a lateral surface of the cylinder; a cylinder liner that has a cylindrical shape and is positioned within an inner circumferential surface of the cylinder; a piston that is positioned within an inner circumferential surface of the cylinder liner; a sleeve that has a sleeve rib, a sleeve skirt, and a pin, the sleeve rib covering at least part of an open end of the cylinder, the sleeve skirt covering at least part of a circumferential surface of the open end of the cylinder, and the pin projecting from the sleeve skirt towards the circumferential surface to engage with the groove; the cylinder liner has a rib that projects from a circumferential surface of the cylinder liner radially in an outward direction an elastic body provided between the sleeve rib and the rib, in an axial direction of the cylinder; a holder provided on a lateral surface of the cylinder liner and engages the sleeve rib, the elastic body biases the sleeve rib in a direction that is opposite to the open end of the cylinder, so as to engage the sleeve rib with the holder; and the sleeve rib holds the rib on the open end of the cylinder when the pin engages the groove.