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Portable Medical Devices Overview
Governments are reducing healthcare costs by increasing clinical efficiency. The global outpatient ambulatory care service market is expected to grow 4.8% yearly until 2026, while hospital stays have declined for decades. Wirelessly connected medical devices are critical for enabling efficient and patient-friendly remote care services, reducing healthcare costs, preventing the viral spread of diseases, and allowing more people to access care while enjoying an everyday life at home.
What Are Portable Medical Devices?
Portable medical devices track patients' physiological conditions in post-acute, rehabilitation, and chronic cases. The collected health data can be viewed remotely or on a smartphone app via a Bluetooth connection by the user or healthcare professional. Bluetooth Low Energy is the most deployed wireless technology for portable medical devices such as blood glucose meters (BGM), continuous glucose monitors (CGM), blood pressure monitors, pulse oximeters, insulin pumps, cardiac monitoring systems, epilepsy management, and more.
Portable Medical Devices – Wireless Design Considerations
What do you need to know when designing portable medical devices? Read on for the top design considerations.
How to Minimize Energy Consumption of Medical Devices?
The lifetime of medical devices can vary from days to months to years of stocking and use, making power optimization challenging. Silicon Labs’ EFR32 architectural flexibility supports EM0, EM1, and EM2 low-power modes by shutting down sub-components such as areas of RAM and the radio when not in use. The BG22 Bluetooth Low Energy (LE) SoC features an ultra-low transmit power of 3.6 mA at 0 dBm and a receiver power of 2.6 mA. Its exceptional RX sensitivity of -106.7 dBm decreases output power, while the ARM M33 features 27 µA/MHz active and 1.2 µA sleep currents.
Silicon Labs’ low-power solutions extend battery life, enabling a competitive advantage for your devices. You can use smaller, less costly batteries to increase profitability and enhance design possibilities.
How to Optimize Wireless Performance on Resource-constrained devices?
Silicon Labs BG22 features ultra-low transmit and receive power and exceptional receiver sensitivity making it an excellent Bluetooth LE solution for small, resource-constrained medical devices. High-performance wireless improves the reliability and quality of your medical devices and increases customer loyalty and revenue.
How to Minimize Form-factor?
Silicon Labs provides several compact wireless solutions for medical devices, such as the BG22 Bluetooth LE SoC with dimensions of 4x4x0.3 mm. The BGM220S is an RF-certified Bluetooth LE module with an antenna and footprint of 6x6 mm. Our compact modules and SoCs give you the flexibility to design smaller, appealing devices and allow space for additional functionalities, memory, and battery, increasing your competitive advantage.
How to Maximize Security of Portable Medical Devices?
Portable medical devices process private health data, making security critical. Silicon Labs’ Bluetooth solution is secured at all levels, to safeguard your devices against the most sophisticated cyber-attacks. Our Secure Vault is the most advanced IoT security solution with up to PSA Certification Level 3, enabling you to design secure medical devices, comply with medical regulations such as DTSec and protect your users, brand reputation, and revenue.
How to Increase the Measurement Accuracy of Medical Devices?
Silicon Labs Bluetooth SoCs (BG24) offer advanced Analog and Digital peripherals such as the 16-bit analog-to-digital converter (ADC), 12-bit digital-to-analog (DAC) converter, precise on-chip voltage references, and robust RF interference tolerance, enabling you to design highly accurate medical devices, gain a competitive advantage in the market, increase customer satisfaction, and grow product sales.
Portable Medical Device Block Diagram
Block diagram of typical portable medical device design with wireless SoC, analog front end, sensors/actuator interface and display capabilities. Silicon Labs EFR32 covers both the Wireless SoC & MCU capabilities.
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Additional Products and Services
Silicon Labs offers ML development tools for any level of experience and suited to your specific application.
To stay secure, device makers need an underlying security platform in the hardware, software, network, and cloud.
Custom Part Manufacturing Service allows customization of wireless SoCs, modules, and MCUs at the factory.
LTSSS can reduce software development costs, maintain robust security and up-to-date certifications for 10 years.