Marc Henri Van Anderlecht
A diagnostic ultrasound at the point of care
dDopp is a computer based ultrasound imaging system with a Doppler feature. Information for this product was provided courtesy of the WHO’s 2016 Call for Innovative Health Technologies for Low-Resource Settings.
Africa, South Asia, Latin America
Goal 3: Good health and well-being
Health care providers in rural health facilities.
dDopp was developed and is mass produced by Uni-Com medical located in Belgium. dDopp comes in a range of brands including the dDopp (initial design), dDopp RollKey and dDopp RollTouch.
Customers can contact the manufacturer via online contact form to request a quote and user information. The product is also packed with a user manual and technical manual.
Continuous, Recharging only, None, Other
B-mode, M-mode, Pulsed Wave, Power Doppler, etc.
OB, cardiac, urology, etc…
dDopp is an ultrasound system that can be used with a laptop computer to record, store, review, share and transmit images. The scanner is embedded in a tough countersink block of aluminum that also serves as a heatsink to cool the device. The scanner comes with dDoppSoft, customized software that can be installed on any Windows computer and is available in 9 different languages. The technology price includes the dDopp engine, 2 detachable probes, power supply, two li-polymer 12V batteries, waterproof USB cable, dDoppSoft, and a waterproof and shockproof case.
Scanning modes include B-Mode, M-Mode, Color Flow, Pulsed Wave, Continuous Wave, and Power Doppler. Other features include Trapezoid Imaging, Dual Imaging, Quad Imaging, and Compounding. The system is also equipped with scanning presets for common applications such as liver, kidney, and pancreas. Images can be stored on the computer’s hard drive and transmitted via email or DICOM server.
dDopp is equipped with 12 V and USB connectors. The device can be powered via a wall outlet, 12 V rechargeable battery (provided), 12 V car adapter (provided), or solar power. The battery life of the system is about 5 hours but varies depending on the scanning mode. It takes 5 hours to recharge the device using a 12 V battery and 8 hours when using solar power. The scanner automatically shuts off when the software is closed or after 15 minutes of inactivity.
Dimensions: 353 x 166 x 35 mm
Weight: 1.8 kg
The software includes an auto diagnostic feature that allows an untrained user to be remotely connected to a radiologist to perform the diagnosis. Otherwise, specific training and skill in ultrasound imaging are required to operate the system. The manufacturer provides training upon request and the packaging comes with a user manual.
The purchase of the system includes a two year warranty. There is no preventative maintenance required.
The probes can be replaced after about 15 years and batteries when drained.
The estimated lifetime is 10-15 years. The dDopp does not contain any mechanical parts which extends its lifetime.
Uni-Com set out to design an Ultrasound that is: easy, fast, and complete with general applications, and that meet the requirements of a color doppler ultrasound specifications
dDopp was incorporated into a study on the viability and potential of implementing a telemedicine network in Bolivia.
Réseau Africain Francophone de Télémédecine (RAFT), Hôpitaux Universitaires de Genève (HUG)
Do not store the scanner in direct sunlight. The machine was certified to be safe with a CE 0482 certificate in 2019 and an ISO 13485:2016 in 2021.
The ultrasound requires a computer, battery, or electric power source to use the medical equipment.
Vargas A, Ugalde M, Vargas R, Narvaez R, Geissbuhler A., 2014, “Telemedicina en Bolivia: proyecto RAFT Altiplano, experiencias, perspectivas y recomendaciones”, Rev Panam Salud Publica, 35(5/6), pp. 359–64.
Bagayoko, C.O., Niang, M., Traoré, S.T., Bediang, G., Naef, J.M., Geissbuhler, A., 2010, “Deploying portable ultrasonography with remote assistance for isolated physicians in Africa: lessons from a pilot study in Mali,” Stud Health Technol Inform, 160(Pt 1), pp. 554-8.
The Ultrasound obtained a CE mark in 2019, ISO certificate in 2021, and DICOM compliant
dDopp was tested against the standard
A workshop was recently held by the Le Centre d’Expertise et de Recherche en Télémédecine et E-Santé (CERTES) in Guinea to train physicians on how to use dDopp.
Expert advisors have suggested that the price range for dDopp is pretty high for target setting. Designers should also investigate additional guidelines, such as the WHO Manual of diagnostic ultrasound. Designers should also take social factors into consideration, such as the use of ultrasounds for gender-biased sex selection in some parts of the world.
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