Translation. Region: Russian Federation –
Source: Moscow Government – Moscow Government –
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Two new medical phantoms—one of a stomach and one of a pulsating arterial vessel—with unique characteristics have been created in Moscow. Moscow scientists have already developed 14 realistic models, which are used for training doctors and adjusting diagnostic equipment. This was reported by Anastasia Rakova, Deputy Mayor of Moscow for Social Development.
"Moscow regularly introduces innovative developments not only to improve diagnostics and patient treatment but also to enhance physician training. For example, we continue to create realistic phantoms—models that mimic the unique properties and characteristics of a human being. Doctors use them to practice ultrasound diagnostics, monitor the quality of CT and MRI scans, and hone their skills in performing complex procedures. Moscow scientists have already created 14 different models. The newest of these are a stomach phantom and a pulsating arterial vessel phantom," said Anastasia Rakova.
The stomach phantom is a model of a hollow organ with a wall composed of five layers, each with different ultrasound reflectivity. This allows for imaging similar to that produced by examining the real organ. The inner layer, simulating the gastric mucosa, has a folded structure. Models of tumors are placed within the different layers. The phantom is useful for practicing endoscopy (gastroscopy), ultrasound diagnostics, and biopsy procedures.
When performing a gastric biopsy under ultrasound guidance, the doctor must accurately insert the needle into each layer, pinpointing the location of the tumor. Each layer is approximately one to three millimeters wide, and the specialist must be careful not to puncture the wrong layer or wall completely.
A pulsating arterial phantom is a model that simulates a pulse in a specific part of a blood vessel. It consists of two parts: a model of the abdominal aorta and a device that generates a pulse wave. The phantom helps medical researchers improve CT angiography. It is also useful for surgeons to hone their vascular surgery skills.
Complications with an arterial vessel can arise during spinal or abdominal surgery. The surgeon must avoid damaging the artery under any circumstances.
"The creation of medical phantoms is an example of how science is directly working to improve the quality of training for medical professionals and, as a result, to enhance the level of medical care for patients. A stomach phantom allows for the practice of several key skills at once—from ultrasound diagnostics to biopsy. Statistics on gastrointestinal diseases indicate that all measures to improve the quality of their diagnosis and treatment are extremely important. A pulsating phantom of an arterial vessel allows for visual observation, through palpation and CT scanning, of the difference between normal and abnormal pulsation. An irregular or intense pulse is one of the symptoms of an aneurysm. This is a very life-threatening condition. A physician must be able to recognize such risks flawlessly. Training on a realistic phantom helps reinforce this skill," noted Dr. of Medicine, Deputy Director for Research at the Center for Diagnostics and Telemedicine in Moscow.
Department of HealthAnton Vladzimirsky.
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The Center for Diagnostics and Telemedicine is a leading scientific and practical organization within the Moscow Department of Health. It organizes and develops the work of radiation and instrumental diagnostic departments, digitally transforms healthcare, integrates AI technologies into practical medicine, conducts research, and trains healthcare professionals. Scientists in the center's laboratory have been creating medical phantoms for over seven years. Their accumulated experience has enabled them to create MosMedMaterial, Russia's first database of tissue-mimicking materials for radiation diagnostics. It combines information on 23 solid and 19 liquid materials designed to create medical phantoms for ultrasound, CT, and MRI.
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