| 摘要 |
FIELD: medicine. ^ SUBSTANCE: invention relates to system and method of stent-graft positioning in vivo in arc of thoracic aorta. System contains first and second positioners for detachable connection to tubular stent-graft closer to its first than to second end by means of flexible connection. System also contains first and second connectors for connection of positioners with control means. Connectors can pass from positioners through internal canal of stent-graft and go out from it closer to second than to first end of stent-graft. One of positioners can go beyond first end of stent-graft to provide turning point, which makes it possible to extract stent-graft in one direction. Other positioner is intended for extraction of stent-graft in another direction. Such system implementation makes it possible to ensure a pair of powers for creation of torsion torque. ^ EFFECT: application of claimed invention will make it possible to position stent-graft in arc of thoracic aorta more precisely due to possibility of setting angle of stent-graft proximal end c positioning with respect to vessel wall and to reduce risk of disturbing stent-graft fixation, especially on internal arc radius. ^ 14 cl, 5 dwg |
