Digital medical devices are sparking a quiet revolution in the healthcare sector. Within the medical community, the number of digital electronic medical instruments is steadily increasing, with their applications becoming increasingly widespread. According to the latest report from Accenture Consulting, the number of digital medical devices approved by the U.S. Food and Drug Administration (FDA) is projected to triple by 2018.
What Are Digital Medical Devices?
What Are Medical Devices? Medical devices are tools, instruments, implants, in vitro reagents, and similar or related items used for the diagnosis, prevention, and treatment of diseases. They do not achieve their intended effects through chemical actions within the human body. In contrast, pharmaceutical drugs primarily rely on pharmacological, metabolic, or immunological mechanisms to achieve their therapeutic goals. Medical devices, however, operate through other means, such as physical, mechanical, or thermal actions. Medical devices vary significantly in terms of applicability and complexity, ranging from simple items like tongue depressors, medical thermometers, and disposable gloves to advanced digital instruments such as computers that assist in medical testing, implants, and prostheses.
In the earliest days, an electrocardiogram (ECG) consisted simply of a cluster of probes. Physicians placed these on the corresponding areas of the patient’s body; after a period of time, the ECG machine would respond, causing a pen to sweep back and forth across a paper strip, leaving behind regular tracings. Once the nursing staff completed the test, the internist analyzed the diagnostic results. The paper strip, serving as evidence of the medical test, was retained in the patient’s record folder and among the physician’s notes.
With the continuous advancement of information and communication technologies, traditional medical devices are increasingly integrated with electronic information, bioengineering, and precision manufacturing technologies. This convergence assists healthcare professionals and patients in managing diseases and health risks, thereby promoting personal health and medical progress. The emergence of “digital health” has significantly enriched the connotation and scope of medical information.
The “digitalization” of medical devices and equipment is hardly surprising. From thermometers, stethoscopes, and blood glucose meters to complex medical imaging devices such as magnetic resonance imaging (MRI) scanners, all incorporate a certain degree of digital technology. Take the simple stethoscope as an example. It needs to amplify sound by 24 decibels while performing noise filtration, and it must feature three frequency modes: cardiac, diaphragm (i.e., lung sounds), and an extended range of 15–1000 Hz.
Medical digitalization begins with the digitalization of medical devices. “Digital medical devices” refer to those with embedded software as the core,Computer TechnologyMedical devices that automatically collect, store, process, and transmit information.
NumberApplication of Medical Devices
These “digital technologies” encompass a wide range of hardware and software components and are closely intertwined with the development of interconnected healthcare systems. Digital medical devices primarily leverage new approaches such as computer technology, smart devices, computational analytics, and communication media, covering imaging equipment, laboratory diagnostic instruments, and patient monitoring devices.
1、Digital Imaging Equipment
Digital imaging equipment constitutes a major component of digital medical devices. Examples include MRI, open superconducting systems, CT scanners, PET-CT scanners, integrated PET-MRI systems, color Doppler ultrasound diagnostic equipment, portable ultrasound diagnostic devices, DSA, X-ray phase-contrast imaging, electrical impedance tomography (EIT) devices, and magnetoencephalography (MEG) systems.
2、Clinical Laboratory Equipment
Clinical laboratory testing is also a key application area for digital devices, such as high-resolution microscopic optical imaging systems.
3、Advanced Therapeutic Devices
Large-scale heavy ion/proton tumor therapy equipment, image-guided radiotherapy devices, high-definition electronic endoscopes, high-resolution confocal endoscopes, digital minimally invasive and interventional surgery systems, neuromodulation product series such as deep brain stimulators and vagus nerve stimulators, and digital integrated operating rooms.
4、Health Monitoring, Telemedicine, and Rehabilitation Devices
Screening devices for critical illnesses, common diseases, and chronic conditions; health monitoring products (including wearable mobile devices), etc.
NumberThe Impact of Medical Devices
1、Profound Transformation of Healthcare Models
Accenture Consulting forecasts that patient engagement and clinical solutions are likely to converge within the next four years. "Digital" innovations can empower consumers to use portable devices to access medical information, monitor vital signs, and perform other healthcare-related activities. In the realm of telemedicine, digital medical devices enable remote education and video conferencing, remote consultations and surgeries, online inquiries and assistance, as well as online registration and appointment scheduling, thereby facilitating information sharing.
Eric Topol—a cardiologist, geneticist, and researcher—describes in his book The Creative Destruction of Medicine how medicine is entering an era of democratization, shifting power from hospitals, physicians, and other healthcare providers to patients, thereby enhancing patient engagement and potentially bringing about profound transformation to the healthcare model.
2、Improving the Quality of Medical Services
Transferring medical expertise to digital devices is not intended to replace experienced, well-trained physicians, but rather to facilitate the dissemination of medical knowledge and provide personalized services to a broader patient population.
Simple devices such as thermometers or stethoscopes no longer suffice to meet patients’ medical needs, prompting the emergence of medical devices embedded with specialized functionalities. While performing medical measurements, these devices generate health data, some of which can be displayed directly on the device, for instance, via light-emitting diodes (LEDs). If readings fall outside the normal range, the device automatically connects to a medical network, where healthcare professionals conduct further analysis of the received data. Compared with the current landscape, a greater number of consumers will be able to access high-quality healthcare services through digital devices.
Through digital medical devices, individuals can schedule appointments and register online from home. Patients no longer need to wait at diagnostic departments for test results, as various diagnostic images and data can be transmitted directly to the attending physician via the internet, enabling timely and accurate diagnosis and treatment. Leveraging private healthcare services and public medical consultation platforms based on the internet and cable television, certain devices can remind users to undergo physical examinations, predict the onset and progression of specific diseases, and recommend new treatment options, allowing patients to enjoy personalized healthcare services from the comfort of their homes.
3、Streamline Processes, Reduce Healthcare Costs
Accenture predicts that digital medical devices will save more than $100 billion in healthcare costs between 2014 and 2018. According to the research report, savings are projected to reach $10 billion in 2015, $18 billion in 2016, $30 billion in 2017, and $50 billion in 2018.
According to this report, digital health tools—including biometric devices, analytical diagnostic instruments, and virtual medical assistants—can help streamline healthcare processes, liberating clinicians from cumbersome repetitive tasks so they can focus on higher-value medical work. Automating healthcare workflows, replacing manual labor with digital devices, and partially shifting medical tasks to patients can all save time and money. This is particularly true when digital medical devices are applied in areas such as routine check-ups or periodic treatments, continuous patient care, and home-based self-care.
NumberOutlook on the Development Trends of Medical Devices
1、Broad Market Prospects
Since the 1970s, with the emergence of a range of cutting-edge, precision medical equipment such as B-mode ultrasound scanners, CT scanners, magnetic resonance imaging (MRI) systems, X-ray machines, and linear accelerators, sales of medical devices have seen remarkable growth. During the 1990s, despite global economic recession, medical device products remained highly promising. Entering the 21st century, the digital and information-based healthcare industry has become a knowledge-intensive sector characterized by a high concentration of new technologies. It is also the segment within the medical device industry that commands the highest value-added and faces the most intense competition in both domestic and international markets. The medical device industry can be rightly described as a global “sunrise industry.”
The keynote address at the recent Medical Design & Manufacturing West (MD&M West) conference emphasized that digital medical devices may eventually replace more than half of traditional devices. Regulatory expert George Samaras stated that this figure might even be underestimated. Samaras asserted that the growth of digital medical devices is undeniable, stressing that regardless of their widespread adoption, these devices must ensure safety, efficacy, efficiency, and user satisfaction. In particular, patient feedback—specifically “patient satisfaction”—is a critical metric for evaluating the quality of healthcare services.
2、International Standards Are Being Gradually Established, and Global Information Is Being Shared
Major hospitals in China are phasing out and upgrading their digital equipment, uniformly adopting the DICOM 3.0 standard interface as specified by manufacturers, which allows for direct acquisition of image data from digital interfaces. With the widespread adoption of standardized interfaces, international industry standards—primarily those governing electronic data exchange in healthcare settings—are being progressively established, forming a global information-sharing network. This also facilitates clinical departments in querying and accessing virtual data. Achieving global sharing of medical resources and enabling unrestricted transmission of imaging and documentation would reduce patient wait times and lower the error rate of electronic prescriptions.
3、Wearable Medical DevicesContinuously Heating Up
Technological advancements are enabling the “miniaturization” of medical devices, with next-generation digital health products designed to be implantable, orally ingestible, or even injectable into the human body. Currently, the smallest chips produced worldwide are merely the size of a speck of dust, while the microcomputers developed by the University of Michigan are smaller than a grain of rice.
Proteus Biopharma is currently developing a “smart pill” that, once ingested, can monitor health conditions from within the body. Acting like a sensor, it tracks multiple health metrics—including medication types and timing, physical activity, perspiration, sleep patterns, and heart rate. Meanwhile, Google is developing a smart contact lens—a valuable aid for diabetes patients—that can continuously monitor the wearer’s blood glucose levels and provide personalized dietary recommendations for the general population.
Wearable medical devices will periodically collect various personal data, such as blood pressure and heart rate, supplemented by big data analytics. Compared with future products, today’s wearable devices that track exercise, calculate calorie expenditure, and analyze sleep are primitive.
Currently, as a country with a large population, China possesses a vast market for digital medical equipment. Some high-end, precision, and advanced digital medical devices within the medical device sector are still in their nascent stages, presenting substantial market demand. Although continuous upgrades and innovations are underway, there remains a phased gap between China and developed countries overall. At present, Chinese products account for only about one-thousandth of the international market. Therefore, it is imperative to include the digital medical equipment industry among the national key high-tech industries slated for development and support. The National High-Tech Research and Development Program (863 Program) project, “Research on Core Equipment and Key Technologies for Modern Digital Healthcare,” has identified the development of digital medical instrumentation and equipment as a priority direction for China’s medical device industry over the next 5–10 years, thereby driving the growth of the nation’s entire medical device sector.
By Chen Kun |
Edited by | Huang Jia