Technical Briefs

In Vitro Study of Transcatheter Delivery of a Shape Memory Polymer Foam Embolic Device for Treating Cerebral Aneurysms

[+] Author and Article Information
Wonjun Hwang, Duncan J. Maitland

Department of Biomedical Engineering,

Pooja Singhal

Department of Biomedical Engineering, TAMU;
Chemical Sciences Division, LLNL

Matthew W. Miller

Small Animal Clinical Sciences,

Manuscript received March 15, 2013; final manuscript received April 25, 2013; published online June 12, 2013. Editor: Arthur G. Erdman.

J. Med. Devices 7(2), 020932 (Jun 12, 2013) (2 pages) Paper No: MED-13-1101; doi: 10.1115/1.4024338 History: Received March 15, 2013; Revised April 25, 2013

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Ortega, J. M., Hartman, J., Rodriguez, J. N., and Maitland, D. J., 2013, “Virtual Treatment of Basilar Aneurysms Using Shape Memory Polymer Foam,” Ann. Biomed. Eng., pp.
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Rodriguez, J. N., Yu, Y. J., Miller, M. W., Wilson, T. S., Hartman, J., Clubb, F. J., Gentry, B., and Maitland, D. J., 2012, “Opacification of Shape Memory Polymer Foam Designed for Treatment of Intracranial Aneurysms,” Ann. Biomed. Eng., 40(4), pp. 883–897. [CrossRef] [PubMed]
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Hwang, W., Volk, B. L., Akberali, F., Singhal, P., Criscione, J. C., and Maitland, D. J., 2012, “Estimation of Aneurysm Wall Stresses Created by Treatment With a Shape Memory Polymer Foam Device,” Biomech. Model. Mechanobiol., 11(5), pp. 715–729. [CrossRef] [PubMed]


Grahic Jump Location
Fig. 3

Fluoroscopic images: delivery and deployment of device II

Grahic Jump Location
Fig. 2

In vitro setup of a simplified PDMS aneurysm model after actuation of the type A SMP foam in the aneurysm model as captured via (a) an optical camera (b) fluoroscope

Grahic Jump Location
Fig. 1

SMP devices: (a) device I with type A SMP foam (bottom) and device II with type A and B SMP foams (top), (b) crimped devices I and II respectively from bottom to top, (c) schematic diagram of a delivery device



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