a lower than normal compliance i e 1 to 2 per 100 mm hg at step 214 the mesh tube and mock vessel as a unit are loaded onto a tester unit at step 216 the tester is set to deliver pulsatile flow including a predetermined temperature ph pulsation frequency and maximum and minimum pressure for each cycle at step 218 a high speed or still camera is set to monitor the deflection of the test sample the high speed camera will track pairs of landmarks on the stent and the distance between the marks will change as the mock vessel expands and contracts it is foreseen that a multitude of cameras may be necessary to give a full 360 degree view of the mesh tube at step 220 the tester is set to run at the predetermined parameters at step 222 when a break occurs then at step 224 the number of cycles to break is determined and the tester continues to run when a predetermined number of breaks have been met then process is ended at step 226 the whole method is repeated with adjusted parameters to generate the data necessary to determine fatigue properties of the tested stent fig5 is a flow diagram illustrating a method 300 of fatigue to fracture testing using radial expansion at step 312 a mesh tube stent or implantable sample is deployed onto a mock.