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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,
TAMU

Pooja Singhal

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

Matthew W. Miller

Small Animal Clinical Sciences,
TAMU

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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Figures

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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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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

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Fig. 3

Fluoroscopic images: delivery and deployment of device II

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