Patent ID: 7571889
Filing Date: 2009-08-11
Classification: A61M

Abstract:
1. A tube clamp comprising: a housing that has an inner cavity longitudinally passing through the housing, the inner cavity being open upward to form an upper window; and a roller that is mounted in the inner cavity of the housing with its cylindrical surface positioned at the upper window and is movable longitudinally in the inner cavity, wherein guide grooves are formed in both side walls of the inner cavity, extend longitudinally along the upper window, and guide a roller shaft of the roller, wherein a distance between a bottom face of the inner cavity and the guide grooves is smaller in a pinching region provided in either a front portion or a rear portion of the inner cavity than in an open region provided in the other portion, and wherein when the roller is positioned in the pinching region, a tube inserted through the inner cavity is closed by being pressed between the roller and the bottom face of the inner cavity, and when the roller is positioned in the open region, the tube is opened, the tube clamp further comprising a slider that is attached over the roller so that a top surface of the slider is exposed from the upper window and is movable together with the roller in the inner cavity of the housing, wherein the slider has a pair of slider shafts and bearing notches, the pair of slider shafts is provided on each side of a rear end of the slider and engaged with the guide grooves, the bearing notches are provided on lower sides of a front end of the slider and fitted to the roller shaft for supporting the roller, and the slider shafts and the roller shaft are guided together by the guide grooves.