Using the intestinal sutento arrangement catheter of quick exchange type, method and the device in order to lighten the strangulation section of the stomach. The catheter includes the inside component and the outer part component, these two components are sliding unrestricted vis-a-vis mutual. In the execution example of the various devices, using the outer part component and the part of the mandrel which formed in order that it makes the guide wire leave from inside the catheter, it can provide the inclined section which orientation it does. The inside component the tubular point, includes the basic end, is cut off, or includes the fact that in long shaku condition intermediate division it is installed in one body, takes the form of optional number. The mandrel is used in the part of basic edge side of the guide wire inclined section. Takes the inside one of the form where several mandrel is disclosed.
