PURPOSE: A medical apparatus is provided to maximize the treatment efficiency of low back and leg pain by leaving a catheter in the body.CONSTITUTION: A medical apparatus comprises an insert tube(10), a balloon part(14), and a fluid injection tube(15). The insert tube is equipped with a first end and a second end inserted into the body. A penetration hole is formed inside the insert tube. The balloon part is separated from the first end of the insert tube at a predetermined distance and is formed on the outside of the insert tube. The fluid injection tube is installed inside the wall of the insert tube in the longitudinal direction of the insert tube.COPYRIGHT KIPO 2012본 발명은 경막외강의 유착 및 척추관의 협착에 따라 요지하통이 생긴 환자에게 사용할 수 있는 의료기구로서, 요지하통의 원인이 되는 경막외강의 유착 및 척추관의 협착을 완화시키기 위해 풍선부, 가동 단부 등이 선택적으로 설치된 삽입 튜브를 포함하는 의료기구에 관한 것이다.
