Embolectomy in a rabbit acute arterial occlusion model using a novel electromechanical extraction device.
A prototype endovascular electromechanical clot-extraction device was fabricated using a combination of shape memory polymer and shape memory nickel-titanium alloy (nitinol). Five embolic vascular occlusions were created in 4 rabbits by injecting thermally coagulated blood through a 4F catheter in the common carotid artery. Angiography immediately after clot injection showed complete or partial occlusion of the common carotid artery. Posttreatment angiography showed complete (2/5), partial (2/5), or no (1/5) restoration of blood flow.
Hartman
J
J
Department of Radiology, University of California-Davis School of Medicine, Sacramento, CA, USA.
Small
W
W
Wilson
T S
TS
Brock
J
J
Buckley
P R
PR
Benett
W J
WJ
Loge
J M
JM
Maitland
D J
DJ
D000208:Acute Disease; D000497:Alloys; D000818:Animals; D002533:Cerebral Angiography; D004195:Disease Models, Animal; D017128:Embolectomy / Q000295:instrumentation* / Q000379:methods*; D004867:Equipment Design; D020766:Intracranial Embolism / Q000000981:diagnostic imaging / Q000628:therapy*; D011108:Polymers; D011817:Rabbits
D000497:Alloys; D011108:Polymers; C013616:nitinol