A double coaxial delivery system for deployment of a two-stage stent-graft. An experimental feasibility study.
OBJECTIVE
To design and test a delivery system for successive, rapid two-stage deployment of an aortic stent graft.


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.


CONCLUSIONS
The double coaxial delivery system enabled quick endovascular assembly of a two-stage aortic stent-graft.
Kónya
A
A
Department of Diagnostic Radiology, The University of Texas M.D. Anderson Cancer Center, Houston 77030, USA.
Wright
K C
KC
D000818:Animals; D001011:Aorta; D001027:Aortography; D002404:Catheterization; D004285:Dogs; D004867:Equipment Design; D005240:Feasibility Studies; D015641:Radiography, Interventional; D015607:Stents