Founded in 1982 by Joseph Adlin, Rimed Ltd. develops and manufactures non-invasive transcranial Doppler ultrasound systems for cerebrovascular diagnosis and monitoring. The company has focused exclusively on neurosonology for more than four decades, producing seven generations of TCD technology and pioneering the first PC-based peripheral vascular Doppler system and customizable summary-screen concept. Its systems are used in hospitals across more than 100 countries, with manufacturing aligned to ISO 13485:2016 and recognized regulatory requirements including FDA, KFDA, and ANVISA.
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Transonic Systems IncFounded in 1983 by Cornell engineer Cornelis Drost, Transonic Systems develops biomedical flow-measurement tools built around the transit-time ultrasound technology he pioneered. From its Ithaca headquarters, the company supports clinicians, researchers and medical-device developers with quantitative measurements used from operating rooms and dialysis clinics to life-science laboratories and OEM devices. Transonic’s 120-person organization manufactures in an ISO 13485:2016-certified facility and has supplied flow technology cited in thousands of studies.ITHACA, NY
ImexSince 1976, Imex has designed and manufactured Doppler systems in the USA for fetal-heartbeat and peripheral blood-flow monitoring. Its configurable Elite and Pocket Dop II handheld units use interchangeable obstetric and vascular probes, including a waterproof option for underwater labor and delivery, while the CT+ brings the same flexibility to a portable countertop format. Imex says its Dopplers are trusted by medical professionals worldwide and backs them with a 10-year limited warranty.FULTON, MD
SONOTEC GmbHFounded by two physicists in 1991, owner-managed SONOTEC GmbH develops and manufactures ultrasonic transducers, sensors, testing equipment, and measurement solutions from Halle (Saale). Its roughly 200-person team builds customer-specific systems for applications ranging from non-invasive fluid monitoring to preventive maintenance and nondestructive testing, with a U.S. sales and service subsidiary established in 2013. SONOTEC has maintained ISO 9001 quality management since 1996 and also holds EN ISO 13485 certification for medical-device quality management.HAUPPAUGE, NY
Natus Medical IncorporatedFounded in 1987, Natus Medical Incorporated is a Middleton, Wisconsin-based medical technology company known for advancing neurodiagnostic care. It works with clinicians worldwide to develop tools that help healthcare providers understand disorders affecting the brain and neural pathways, supporting care in more than 120 countries.AMBLER, PA