Patent ID: 7108699
Filing Date: 2006-09-19
Classification: A61B

Abstract:
1. A clip device for holding a living tissue, comprising: a clip having a base portion, and a pair of clip hands extending from the base portion, the base portion being bent almost at a center; a holder tube arranged at a proximal portion of the base portion, for tightening a clip with a smaller diameter than the base portion; and a hold member disposed in the holder tube; wherein a clip hand expanding operation to expand the clip hands is performed by press fitting the base portion into the holder tube, and a clipping operation to let the clip hands hold a living tissue is performed closing the clip hands by press fitting the base of the clip hands into the holder tube; and wherein the holder tube and the hold member comprise a force adjustment portion which adjusts a ratio of a clip closing force to close the clip hands to a clip opening force to expand the clip hands.