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International Journal of Recent Trends in Science and Technology, ISSN 2277-2812 E-ISSN: 2249-8109

Volume 14, Issue 3, April 2015 pp 587-595

Research Article

An indigenously fabricated Doppler ultrasound blood flow phantom

Sudha Pattan1, P M Venkata Sai2, Santhosh Joseph3, Aruna P4, Ravishankar P5

{1Sr. Lecturer, 2Professor and HOD, Department of Radiology and Imaging Sciences}

{3Research Guide, Professor and HOD, Department of Neuro Radiology and Interventional Radiology}

{5Assistant Professor, Department of Community Medicine} Sri Ramachandra University (SRU), Porur, Chennai-600116, Tamil Nadu, INDIA.

4Professor and HOD, Department of Medical Physics, Anna University, Chennai, Tamil Nadu, INDIA

The objective of fabrication of Doppler Ultrasound Blood Flow Phantom is to develop an indigenous Doppler ultrasound compatible model with simulated pulsatile blood flow. The criteria for the phantom fabrication are that it should be simple, effective, economical and user-friendly. The phantom consists of a pumping mechanism to induce pulsatile flow. The blood vessels of interest are two peripheral arteries (the brachial and femoral) of normal subjects. The diameter measurements from the normal subjects are incorporated in the fabrication of a new ultrasound compatible blood vessel equivalent tube. Also tube models with various degrees and lengths of stenosis are fabricated. An affordable ultrasound compatible blood mimicking fluid having same viscosity as that of normal human blood is prepared and made to run through the system. This model acts as a phantom to educate or train a person handling ultrasound equipment on operation of the Doppler ultrasound machine controls and the effects of each control on the image. A patient or a volunteer need not be troubled for this purpose. Moreover, this phantom acts as a Quality Assurance tool to assess some of the performance of the Doppler ultrasound machine and also acts as an aid for research purpose.