Portable ultrasound (US) systems have undergone significant technological evolution over the past decade, allowing the integration of high-quality imaging into clinical practice outside the traditional diagnostic office. The miniaturization of hardware, the development of digital signal processing and the introduction of wireless interfaces have contributed to the formation of the concept of point-of-care ultrasound (POCUS). In this context, mobility is becoming not only a technical characteristic, but also a clinically significant factor that directly affects the speed of decision-making, patient routing and treatment outcomes.
A key advantage of portable ultrasound systems is the ability to perform the study directly at the patient, which minimizes the time delay between clinical suspicion and its verification. In intensive care units, emergency departments and outpatient practice, this allows for rapid assessment of hemodynamic status, the presence of free fluid in the body, cardiac function or pulmonary changes without the need to transport the patient. This approach reduces the risks associated with the movement of critically ill patients and at the same time increases the efficiency of the use of medical institution resources. In addition, reducing the time to diagnosis directly correlates with a decrease in the frequency of complications in acute conditions.
In surgical practice, portable ultrasound systems demonstrate particular value due to their ability to integrate into the intraoperative process. Unlike stationary systems, which are often limited by size and difficulty of movement, mobile devices can be quickly deployed in the operating room. This opens up opportunities for intraoperative navigation, clarification of anatomical structures and control of the performance of manipulations in real time. In particular, when performing punctures, drainage, regional anesthesia or minimally invasive interventions, ultrasound imaging significantly increases the accuracy of instrument positioning and reduces the risk of iatrogenic complications. In gynecological surgery, this is of additional importance in the visualization of vascular structures, determining the boundaries of pathological formations and controlling the adequacy of the intervention.
The technological efficiency of portable systems is largely determined by the characteristics of ultrasound sensors, which remain the central element of image formation. The classic design of the sensor includes a piezoelectric element, damping and matching layers, as well as an acoustic lens that provides focusing of ultrasound waves and optimization of contact with biological tissues. Modern engineering solutions are aimed at improving acoustic lens materials, among which the use of specialized polymers to replace rubber attracts special attention. Plastic acoustic lenses are characterized by increased chemical inertness and resistance to the effects of biological fluids, including blood, interstitial fluids and ultrasound gels. Unlike traditional materials, they are less prone to degradation, the formation of microdamages during prolonged contact with aggressive environments. This is of particular importance in operating room conditions, where the sensor can be subjected to intense contamination and frequent processing.
The economic aspect of using mobile ultrasound solutions deserves special attention. Compared to stationary systems, they require significantly less investment, both at the acquisition stage and during operation. Cost reduction is associated not only with lower equipment costs, but also with optimization of clinical processes: reducing the duration of hospitalization, reducing the need for additional examinations and increasing the throughput of a medical facility. Thus, mobile ultrasound systems can be considered as a tool for increasing the efficiency of healthcare resources.
The next stage of development is the emergence of ultrasound sensors that are directly connected to tablets or smartphones. Such devices combine the functions of a sensor and a computing module, using a mobile device as a platform for image processing, display and data storage. This solution significantly reduces the size of the system, increases its portability and simplifies its use in limited space, in particular in the operating room or when performing field examinations. Thanks to the high resolution of modern tablets and the power of mobile processors, the quality of visualization in many clinical scenarios is sufficient for making informed decisions.
In addition, such solutions contribute to the expansion of educational opportunities. Thanks to its mobility and accessibility, ultrasound becomes a tool not only for diagnosis, but also for education, allowing doctors of various specialties to integrate it into their daily practice. This forms a new paradigm of clinical thinking, in which ultrasound assessment becomes an integral part of the initial examination of the patient.
Despite significant advantages, portable ultrasound systems are not without limitations. In particular, in complex diagnostic cases they can be inferior to stationary expert systems in terms of resolution and functionality and capabilities. At the same time, the effectiveness of their use largely depends on the training of the doctor, since the interpretation of results in the POCUS format requires a high level of clinical thinking and experience.
Thus, portable ultrasound systems form a new diagnostic model in which mobility directly transforms clinical practice. Their use ensures rapid receipt of relevant information, increases the safety of invasive interventions and optimizes the organization of medical care. Of particular importance is their use in the operating room, where the combination of compactness, speed of deployment and high information content creates additional clinical advantages. Innovations in the design of sensors, in particular the introduction of plastic acoustic lenses, enhance these advantages due to increased resistance to biological environments, the possibility of sterilization and increased durability. In turn, mobile ultrasound solutions, including sensors that connect to tablets, provide not only technical portability, but also a systemic transformation of medical care.
