Patent ID: 9205228
Filing Date: 2015-12-08
Classification: A61F,A61M

Abstract:
1. A catheter operating structure that is applied to a catheter for inserting a stent or another medical device into a human body in order to distend a blood vessel or a lumen of the human body which is undergoing stricture due to lesion, the catheter operating structure comprising: a rotary member in which a spiral shaft formed on one side of a handle for rotation is inserted into one end of a tubular body; a movable member which is formed in a tube shape and in which a female spiral end is formed at one end thereof and is spirally coupled with the spiral shaft; and an injection member moving member which moves together when the movable member moves, or is unlocked to move alone in a lengthwise direction of the movable member, and in which an injection member, which passes through the movable member and the tubular body and injects an injector or discharges air, is coupled in the front thereof, wherein, when the spiral shaft is rotated together by rotation of the handle in a state in which the spiral shaft is spirally coupled to the female spiral end, the movable member moves forward or backward in a lengthwise direction of the tubular body without being rotated due to the injection member moving member passing through the tubular body, and wherein the tubular body includes body long slots formed on radial opposite sides thereof so that the injection member moving member moves slidably; the movable member includes movable long slots that are formed on radial opposite sides thereof and are matched with the body lone slots; and the injection member moving member includes a pair of pressable buttons that are formed on radial opposite sides thereof and move slidably in a state in which the pressable buttons are exposed through the body long slots and the movable long slots.