The results of its testing on the task of needle insertion into the blood vessel model diagnostics are presented” Bychkov et al (2017).
We describe a universal system for research in combined real-time optoacoustic (OA) and laser-ultrasonic (LU) imaging. The results of its testing on the task of needle insertion into the blood vessel model diagnostics are presented.
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In OA mode, where laser light is absorbed directly in the sample, the contents of blood vessel model is clearly visible. In LU mode, where the short ultrasonic probe pulse scattered on the sample is detected, the needle is clearly visible. The developed solution combining OA and LU imaging modalities due to the common detection system allowed real-time diagnostics of the position of medical needles (0.63 mm and 0.7 mm in diameter) inside blood vessel models (1.6 mm and 2.4 mm in diameter). Frame rate was 10 Hz. High longitudinal spatial resolution of the system – 0.1 mm – allows distinguishing the two walls of the vessel model and the position of the needle inside.Full Text
Bychkov, A.S., Zarubin, V.P., Karabutov, A.A., Simonova, V.A. and Cherepetskaya, E.B. (2017) On the use of an optoacoustic and laser ultrasonic imaging system for assessing peripheral intravenous access. Photoacoustics. 5, p.10-16. eCollection 2017.
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