Prototype Laser-Activated Shape Memory Polymer Foam Device for Embolic Treatment of Aneurysms Page: 4 of 15
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Conventional embolization of cerebral aneurysms using detachable coils is time-consuming and
often requires re-treatment. These drawbacks have prompted the development of new methods of
aneurysm occlusion. We present the fabrication and laser-deployment of a shape memory
polymer expanding foam device. Data acquired in an in vitro basilar aneurysm model with and
without flow showed successful treatment, with the flow rate affecting foam expansion and the
temperature at the aneurysm wall.
Keywords: aneurysm, laser, shape memory polymer foam
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Maitland, D J; Small IV, W; Ortega, J M; Buckley, P R; Rodriguez, J; Hartman, J et al. Prototype Laser-Activated Shape Memory Polymer Foam Device for Embolic Treatment of Aneurysms, article, February 5, 2007; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc898230/m1/4/: accessed November 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.