About Viasonix

Our company is dedicated to supporting the international vascular markets with a wide range of advanced medical products

About Viasonix

Viasonix Medical Products

Our state-of-the-art products meet common day-to-day routine clinical practice and keep setting new industry standards.

Our professional team has decades of experience in the vascular and neuro-vascular medical fields. We particularly specialize in Doppler and Pneumatic technologies. We have successfully commercialized over the years numerous leading products such as the Sonara and Sonara-Tek TCD systems, the Quantix/ND non-invasive volume blood flow device designed for neurosurgery, the Quantix/OR intra-operative blood flow system, the Quantix/TE for trans-esophageal volume flow diagnosis, or the WalkCare and D-Flex devices for Deep Vein Thrombosis (DVT) prevention.

“At Viasonix, we take pride in providing the most advanced and comprehensive clinical solutions in the Vascular and Neuro clinical settings. For many years our products are considered the best in their class. I invite you personally to appreciate that and join our numerous customers and business partners around the world. Please join me on a short tour of Viasonix.”

Viasonix is ISO13485 certified, complies with the FDA QSR, and continuously maintains the highest level of a quality system. Our numerous regulatory clearances include FDA, CE, TFDA, CFDA, KFDA, ANVISA, INVIMA, NMPA, TGA, AMAR, COFEPRIS, HSA, THAI FDA, and many more.

At Viasonix, we never compromise on quality, and therefore, we insist on performing 100% of the activity in-house, from initial product concept through all R&D stages, production, final testing, packaging, and shipment.

Viasonix Departments

Quality and Regulatory

Our QA/RA Department never compromises on the highest possible quality standards for our organization and our products. Year after year, we successfully meet all international QA and RA requirements. In addition to FDA and CE approvals for all of our products, we also support domestic regulatory certifications in numerous countries around the world.

Clinical Research

Our Clinical Research Department is extremely active and is continuously involved with new developments and innovations year after year. We consult with key opinion leaders in their respective fields to ensure that our products meet the highest level of expectation of the medical community.

Hardware Design

We take particular pride in our Hardware and Electronic Board Design Department. Our engineers develop our electronic boards to meet the highest international safety standards and performance. Our products are designed for smooth and effective real-time applications.

Software Development

Our renowned Software Department has years of reputation in meeting market needs, with products that are straight-forward and simple to operate. Our engineers pay particular attention to developing a super friendly user interface and allow ultimate flexibility to meet practically every customer’s specific clinical needs.


Our Production Department is responsible for assembling and testing each and every system before it leaves our factory. This process ensures the utmost product quality without relying on third parties. Each product is continuously monitored from the first step and until it is shipped to our customers, and the process is supported by dedicated procedures and work instructions.

Viasonix Mechanical Design

Mechanical Design

Our busy Mechanical Engineering Department pays particular attention to human factor considerations when setting our product design path. Our mechanical engineers continuously strive to develop products that are simple to use and effective. Our designs always take into consideration the medical staff and operators as well as the patients and end-users.

Marketing Department at Viasonix

Marketing and Distribution

Our Marketing Department is busy supporting our numerous business partners around the globe, covering North and Latin America, Europe, Asia, and all the way to Australia and New Zealand. We are also always looking for new quality distributors to join our rapidly growing international network.

Service and Support

Last, but definitely not least, our Service Department is always available for immediate support to ensure maximal customer satisfaction. Our business partners know that they can rely on us 24/7 and can expect a prompt and effective response.

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.

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.