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Small Rodent Cardiac Phantom for Preclinical Ultrasound Imaging

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Original languageEnglish
JournalIEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
Issue number99
Early online date27 Jul 2016
Publication statusPublished - Jan 2017


Abstract— Imaging phantoms play a valuable role in quality control and quality assurance of medical imaging systems. However, for use in the relatively new field of small-animal preclinical imaging, only a very few have been described in the literature, and even less or none at all are available commercially. Yet, preclinical small animal phantoms offer the possibility of reducing the need for live animals for test and measurement purposes. Human scale cardiac phantoms, both reported in the literature and available commercially, are typically complex devices. Their designs include numerous flow control valves, pumps and servo motors. These devices are coupled to tissue mimicking materials (TMMs) shaped to replicate the form of cardiac chambers and valves. They are then operated in such a way as to cause the replica TMM heart to move in a life-like manner. This paper describes the design and construction of a small rodent preclinical cardiac phantom which is both of a simple design and construction. Using only readily available materials and components, it can be manufactured without the use of workshop facilities, using only hand-tools. Drawings and pictures of the design are presented along with images of the phantom in operation, using a high frequency preclinical ultrasound scanner.

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