Viasonix is the only international company that offers a wide range of advanced Peripheral Vascular and Transcranial Doppler (TCD) product lines.

The company’s state-of-the-art products meet common day-to-day routine clinical practice, as well as set new industry standards. Viasonix peripheral vascular and TCD products are the perfect upgrade to older generation systems, such as the popular Nicolet Vasoguard and Sonara systems.

Viasonix is focused on Doppler and blood flow applications, which provide dedicated clinical solutions primarily for vascular and angiology departments, as well as neurology and neurosurgery settings.

The user interface of the Falcon and Dolphin product lines is internationally renowned, and we invite you to discover and experience our extremely user-friendly products.

Our Products

Viasonix main product lines include the Falcon peripheral vascular diagnostic systems and the Dolphin transcranial Doppler systems. The Falcon and the Dolphin are successfully distributed internationally with a wide distribution network

Viasonix is ISO 13485 certified, with numerous regulatory clearances including FDA, CE, Health Canada, TFDA, CFDA, KFDA, ANVISA, INVIMA, TGA, AMAR, and many more.

We claim that our products are in a class of their own, and invite you to discover their superiority.


Viasonix management consists of seasoned medical device experts, with particular experience in vascular and transcranial Doppler diagnostics and techniques. With management’s many years of experience in the medical device industry, Viasonix has intimate knowledge and knowhow in the peripheral vascular and TCD clinical marketplace.

Viasonix management was directly involved and responsible over the past 2 decades for some of the most successful developments and products in the marketplace, including the Sonara and Sonara-Tek TCD systems, the Quantix/ND non-invasive volume blood flow device, the Quantix/OR intra-operative blood flow system, the Quantix/TE for trans-esophageal volume flow diagnosis, the WalkCare and D-Flex devices for Deep Vein Thrombosis (DVT) prevention, and more.


President and CEO
Dr. Manor holds a B.Sc. in Aeronautical Engineering, and M.Sc. and PhD degrees in Biomedical Engineering, all from the leading Technion Technology Institute.

Dr. Manor was the co-founder and CEO of several successful medical device companies, and is an internationally renowned scientist in the cardiovascular arena.

For a list of selected publications
click here



VP Technology and Operations
Mr. Levi is an experienced computer engineer (graduated from the leading Technion Technology Institute).

Mr. Levi was also the co-founder and Director of several successful medical device companies, with many years of experience in the development and operations of medical devices in general, and ultrasound devices in particular.



VP Software
Mr. Yosef holds a B.Sc. degree from Bar Ilan University in Computer Engineering. Mr. Yosef is extremely experienced in developing friendly and simple to operate software platforms, and is the manager of all software operations.

Mr. Yosef co-founded a successful TCD company in the past, and is involved with a wide range of different medical projects.


Dr. Dan Manor - Selected Publications

Beyar, R.; Caminker, R.; Manor, D.; Sideman, S., Coronary flow patterns in normal and ischemic hearts: Transmyocardial and artery to vein distribution. Annals of Biomed.Eng., 1993. 21: p. 435-458.

Manor, D., S. Sideman, and R. Beyar, Pressure-flow characteristics of the coronary collaterals: a model study. Am. J. Physiol., 1994. 266 (Heart Circ. Physiol. 35): p. H310-H318.

Sideman, S.; Manor, D.; Zinemanas, D.; Beyar, R., Some new models relating coronary flow and myocardial contraction. J. Isr. Inst. Chem. Eng., 1993. 22: p. 62-66.

Manor, D.; Beyar, R.; Shofti, R.; Sideman, S., In vivo study of the mechanical properties of epicardial coronary arteries. J. Biomech. Eng., 1994. 116: p. 131-132.

Manor, D.; Sideman, S.; Dinnar, U.; Beyar, R., Analysis of flow in coronary epicardial arterial tree and intramyocardial circulation. Med. & Biol. Eng. & Comput., 1994. 32: p. S133-S143.

Manor, D.; Sideman, S.; Dinnar, U.; Beyar, R., Analysis of coronary circulation under ischaemic conditions. Med. & Biol. Eng. & Comput., 1994. 32: p. S123-S132.

Manor, D.; Shofti, R.; Sideman, S.; Beyar, R., Quantitative sorting of normal and abnormal coronary flow wave form shapes. IEEE Trans. on Biomed. Eng., 1994. 41: p. 846-853.

Manor, D.; Williams, S.; Ator, R.; Bryant, K.; Scheel, K.W., Reduced collateral perfusion is a direct consequence of elevated right atrial pressure. Am. J. Physiol., 1994. 267 (Heart Circ. Physiol. 36): p. H1151-H1156.

Amitzur, G.; Manor, D.; Pressman, A.; Adam, D.; Hammerman, H.; Shofti, R.; Beyar, R.; Sideman, S., Modulation of the arterial coronary blood flow by asynchronous activation with ventricular pacing. Pacing Clin. Electrophysiol., 1995. 18(4 Pt 1): p. 697-710.

Beyar, R., Manor, D; and S. Sideman, Myocardial mechanics and coronary flow dynamics. Adv. Exp. Med. Biol., 1993. 346: p. 125-136.

Manor, D. and K.W. Scheel, Left ventricular pressure is an important determinant of coronary oscillatory flow amplitude [letter; comment]. Am. J. Physiol., 1995. 268(5 Pt 2): p. H2162-H2165.

Manor, D.; Williams, S.; Ator, R.; Bryant, K.; Scheel, K. W., Left ventricular mechanics in arrested dog heart: effects of ventricular interaction and vascular volumes. Am. J. Physiol., 1995. 268(5 Pt 2): p. H2125-H2132.

Manor, D.; Sideman, S.; Dinnar, U.; Beyar, R., A model of the coronary epicardial tree and intramyocardial circulation in normal and ischemic hearts, in IEEE Computers in Cardiology. 1989. p. 247-250.

Beyar, R.; Manor, D.; Hallman, M.; Azhari, H.; Dinnar, U.; Lessick, J.; Sideman, S., Coronary circulatory model linked to three dimensional cardiac mechanics, in Imaging, Measurement and Analysis of the Heart, S.a.B. (Sideman, R., editors), Editor. 1990, Hemisphere Publishing Company: New York. p. 127-138.

Manor, D.; Beyar, R.; Dinnar, U.; Sideman, S., Analysis of blood flow in the normal and obstructed coronary epicardial arterial tree, in 9th Int. Heat Transfer, G.H. (editor), Editor. 1990, Hemisphere Publ.: N.Y. p. 253-256.

Manor, D.; Beyar, R.; Dinnar, U.; Sideman, S., Blood flow in the stenosed coronary circulation: Model predictions and experimental validation, in Cardiovascular System Dynamics Soc. 1990: Tiberias.

Beyar, R.; Caminker, R.; Manor, D.; Ben-Ari, R.; Sideman, S., On the mechanisms of transmural myocardial compression and perfusionin Cardiac Electrophysiology, Circulation and Transport, S.a.B. (Sideman, R., editors), Editor. 1991, Kluer Academic Publ.: Springfield, MA. p. 245-261.

Sideman, S., Manor, D; and R. Beyar, Capacitance and resistance effects on coronary flow dynamics, in Compliance of the Cardiovascular System, V.a.K. (Starc, T., editors), Editor. 1991, Medicinski Razgledi. p. 135-139.

Manor, D., R. Beyar, and S. Sideman, On the pressure-flow relationship of the coronary collaterals: a model study, in IEEE Computers in Cardiology. 1991. p. 713-716.

Beyar, R.; Manor, D.; Zinemanas, D.; Sideman, S., Concepts and Controversies in Modeling the Coronary Circulation, in Recent Advances in Coronary Circularion Research, Y. (Maruyama, Kajiya, F., Hoffman, J.I.E. and Spaan, J.A.E., editors), Editor. 1993, Springer-Verlag: Tokyo. p. 135-149.

Beyar, R., Manor, D.; and S. Sideman, Myocardial mechanics and coronary flow dynamics, in Interacive Phenomena in the Cardiac System, S.a.B. (Sideman, R., editors), Editor. 1993, Plenum Publishing Corp.: N.Y. p. 125-136.

Manor, D.; Williams, S.; Ator, R.; Bryant, K.; Scheel, K. W., Modulation of coronary flow by left ventricular volume in the presence and absence of vasomotor tone. Am. J. Physiol., 1995. 269 (Heart Circ. Physiol. 38): p. H2010-H2016.

Scheel, K.W., Manor, D.; and K. Bryant, Influences of coronary venous pressures on left ventricular function, in Cardiac-Vascular Remodeling and Functional Interactions, Y. (Maruyama, Hori, M., Janicki, J.S., editors), Editor. 1996, Springer-Verlag: Tokyo.

Tamir, L., Neyman C., Eshkenazi, A.U., Ben-Zvi Y., Hendel, D. (prepared and written by Manor, D), Sequential foot compression reduces lower limb swelling and pain after total knee arthroplasty.  J. of Arthroplasty, 1999, (14) p. 333-337.

Mashiah A., Rabinovitz T. (prepared and written by Manor, D), Prevention of venous stasis with squential foot compression.  Submitted, Phlebology, 1999.

Manor, DSquential Foot Compression Devices (SFCD): Clinical Considerations.  Document No. RPT-0001, June 2000.

Soustiel, J, Levy, E, Bibi, R, Lukaschuk, S, and Manor, D.Hemodynamic consequences of cerebral vasospasm on perforating arteries: A phantom model study.  Stroke, 2001;32(3), p. 629-633.

Soustiel, J, Levy, E, Zaaroor M., Bibi, R, Lukaschuk, S, and Manor, D.A new angle-independent Doppler ultrasound device for the assessment of volume blood flow in the extracranial internal carotid artery.  J. Ultrasound Med, 2002; 21, p. 1405-1412.