Validation of the performance of a practical blood vessel imaging system to facilitate vessel punctures

Natascha J. Cuper; Rudolf M. Verdaasdonk; Rowland de Roode

doi:10.1117/12.809561

24 February 2009 Validation of the performance of a practical blood vessel imaging system to facilitate vessel punctures

Natascha J. Cuper, Rudolf M. Verdaasdonk, Rowland de Roode

Author Affiliations +

Proceedings Volume 7169, Advanced Biomedical and Clinical Diagnostic Systems VII; 716918 (2009) https://doi.org/10.1117/12.809561
Event: SPIE BiOS, 2009, San Jose, California, United States

Abstract

A practical system to visualize vessels underneath the skin has been developed, based on near-infrared (NIR) transillumination. A study in the clinical setting proved the system to be useful as a support in blood withdrawal in young children. During clinical application it was found that performance varied depending on vessel size, depth of vessels and surrounding lighting conditions. To gain more insight on the different variables that determine functioning of the system, we performed phantom studies. A combined liquid/solid phantom was fabricated with similar optical properties as the tissue layers of skin reported in literature at 850 nm. This phantom was used to estimate the depth of visibility in the relation to vessel size and darkness of the skin. Vessel contrast was determined analytically from images and evaluated by 3 independent observers. The knowledge gained from these experiments will be helpful to improve the imaging system and develop a solid phantom to be used as a gold standard to test the system under various clinical lighting conditions. The working range of the system was found to be appropriate to visualize the vessels used for the most procedures, such as blood withdrawal and placement of intravenous lines.

Citation Download Citation

Natascha J. Cuper, Rudolf M. Verdaasdonk, and Rowland de Roode "Validation of the performance of a practical blood vessel imaging system to facilitate vessel punctures", Proc. SPIE 7169, Advanced Biomedical and Clinical Diagnostic Systems VII, 716918 (24 February 2009); https://doi.org/10.1117/12.809561

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