Ultrasonic treatment tool
AssigneeOlympus Medical Systems Corp.
InventorTsunetaka AKAGANE
Life of this patent
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Abstract
An ultrasonic treatment tool comprises: a blade including a treatment portion at a distal side of the blade, the blade configured to transmit an ultrasonic vibration from a proximal side of the blade to the treatment portion and the treatment portion configured to treat a body tissue, a grasper movable relative to the treatment portion between an open position and a closed position to grasp the body tissue between the grasper and the treatment portion, a coating provided on the grasper, the coating is formed by a first resin, when the grasper is in the closed position, the coating contacts the treatment portion.
Claims6
An ultrasonic treatment tool, comprising:
- a blade including a treatment portion at a distal side of the blade, the blade configured to transmit an ultrasonic vibration from a proximal side of the blade to the treatment portion and the treatment portion configured to treat a body tissue;
- and
- a grasper movable relative to the treatment portion between an open position and a closed position to grasp the body tissue between the grasper and the treatment portion,
- wherein the grasper includes:
- a plurality of pads extending in a longitudinal direction of the grasper, the plurality of pads contacting the treatment portion when the grasper is in the closed position,
- an electrode between the plurality of pads and configured to flow a high frequency current between the electrode and the treatment portion when the grasper is in the closed position, and
- a pair of insulation members extending across the plurality of pads and the electrode.
Dependencies are inferred from the claim text.