Patent ID: 8196478

Claim:
A fatigue test system for repetitively deforming a substantially tubular implant structure which is within a radial range and within an axial range expandable and contractable and which has at least a first and a second end, wherein the system comprises: at least a first and second part which are controllably moveable relative to each other, and a first and a second fixture assembly for fixing the first end to the first part and the second end to the second part, so that the system controls in use the position of each of the first and second end of the tubular implant structure, wherein at least one of the fixture assemblies comprises: an insertable holder for inserting fittingly into one of the ends of the tubular implant structure, and at least one embracing holder for tightly embracing that one end of the tubular implant structure that has the insertable holder inserted in it.