Patent ID: 8298250
Filing Date: 2012-10-30
Classification: A61B

Abstract:
1. A medical ligating apparatus comprising: a manipulating device including a flexible outer sheath having a central axis, an elongate member extending along the central axis in the flexible outer sheath, and a proximal manipulation section provided on a proximal side of the outer sheath; a medical ligating device configured to be removably attached to a distal end side of the manipulating device, the medical ligating device including a flexible wire which has a folded loop section, two opposite intermediate sections respectively extended in a proximal direction from opposite ends of the folded loop section along the central axis of the flexible outer sheath, and a proximal end portion extended from the intermediate sections and configured to be connected to a distal end of the elongate member, a hollow fixing member through which said two opposite end side sections are extended so that the hollow fixing member and said two opposite end side sections are relatively movably along the central axis, and a hollow receiving member through which the intermediate sections are extended in the proximal direction, the hollow receiving member including at least one abutment face directed in the proximal direction, wherein the hollow fixing member is positioned between the hollow receiving member and the folded loop section of the flexible wire; and a cutting member configured to be moveable along the central axis in the flexible outer sheath, the cutting member including at least one cutting blade directed in a distal direction, wherein the proximal manipulation section includes a first manipulating member connected to a proximal end of the elongate member to move the flexible wire along the central axis relative to the flexible outer sheath, and a second manipulating member configured to move the cutting member along the central axis relative to the hollow receiving member, wherein living tissues are to be ligated in the folded loop section of the flexible wire and said two opposite intermediate sections are pulled in the proximal direction to apply a tensile stress to at least parts of the opposite intermediate sections facing the abutment face, by moving the flexible wire relative to the hollow receiving member in the proximal direction through the first manipulating member in a state that the medical ligating device is attached to the distal end side of the manipulating device, and then the cutting member is moved in the distal direction by the second manipulating member so that the cutting blade pushes said parts of the opposite intermediate sections applied with the tensile stress toward the abutment face and abuts the abutment face, thereby cutting off said parts.