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A double coaxial delivery system for deployment of a two-stage stent-graft. An experimental feasibility study
1Department of Diagnostic Radiology, The University of Texas M.D. Anderson Cancer Center, Houston 77030, USA.
Acta Radiologica (Stockholm, Sweden : 1987)
|February 9, 2000
Abstract
Purpose:
To design and test a delivery system for successive, rapid two-stage deployment of an aortic stent graft.
Material And Methods:
An aortic stent graft was made that consisted of two separate parts. A delivery system composed of two independent coaxial mechanisms was fabricated and used to deploy the stages of the graft in dogs' aortas.
Results:
Delivery was successful in all four dogs, and required less than 2 min in each animal.
Conclusion:
The double coaxial delivery system enabled quick endovascular assembly of a two-stage aortic stent-graft.