Purpose To develop and optimize a system for treating cerebral berry aneurysm using a new polymer based liquid embolic agent.
Materials and methods Using a variety of human corrosion casting aneurysm replicas placed in a circuit of pulsatile flowing blood, techniques were developed to optimize aneurysm filling and recreate good blood flow dynamics. As part of this effort, both experienced physicians and lay personnel were asked to treat these replicas to discover common failure modes. Additional surgically created aneurysms in dog carotid arteries were treated by experienced physicians.
Results Physicians experienced in the use of microcatheters and endovascular techniques learned to use the device effectively after, on average, five aneurysm treatments. In the dog aneurysms, all were treated to complete filling.
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Competing interests Charles Kerber MD is a shareholder and chief medical officer in Valor Medical Inc. Ramin Sean Pakbaz is a shareholder in Valor Medical Inc. There are no other competing interests.
Provenance and peer review Not commissioned; externally peer reviewed.