Method of heating a nitinol stent

摘要: A stent and a method of making it from wire, which includes winding the wire on mandrel, heating to form coiled spring, reversing direction spring reversed stent. The so formed may be reheated over special mandrel as partly relax outer portion some or all coils. made up two more sections, with adjoining section wound in opposite senses. Such deployed by onto catheter, immobilizing ends one intermediate points, bringing location where is deployed, releasing first point points then end points. release accomplished thread that breaks releases wire.