Patent ID: 7896310

Claim:
A pinch valve adapted to hold at least one flexible tube in a tube holding room, said pinch valve comprising: a plunger adapted to protrude into said tube holding room and pinch said tube against an opposite side wall of said tube holding room, said plunger being controllable to be positioned in at least two different positions, wherein one position is an open position where the tube in the tube holding room is not pinched and one position is a pinching position where the tube is pinched between the plunger and said opposing wall; and a tube retaining means adapted to prevent the tube from escaping from the tube holding room especially when said plunger is in the open position and wherein said tube retaining means can be pivoted into at least two different positions, where one position is a non locking position used during insertion of a tube into the tube holding room and one position is a locking position for retaining a tube inside said tube holding room even when the plunger is in an open position; wherein the tube retaining means is rotatable around an axis which is substantially perpendicular to a longitudinal extension of a tube held in the tube holding room.