Device for testing fatigue performance of braided non-vascular stent

The utility model provides a device for testing the fatigue performance of a braided non-vascular stent. The device for testing the fatigue performance of the braided non-vascular stent is simple in structure, convenient to implement, accurate in testing result and good in universality; the device comprises a hose which is used for holding a dilated stent inside and can be supported by the dilated stent into a cylindrical shape, and a jet pipe surrounding the hose; the jet pipe is provided with an inlet and an outlet, wherein the inlet is connected with the output pipeline of a hydraulic or pneumatic system which provides a working medium for the jet pipe, while the outlet is a circular seam which is coaxial with the hose and formed in the jet pipe wall opposite to the periphery of the hose; supporting plugs are arranged in ports at the two ends of the hose, and the supporting plug at one end is fixed on a supporting core rod coaxial with the hose, while the supporting plug at the other end is capable of free