Few technology developers face such tremendous pressure from today's medical device manufacturers. A little mistake in the performance or reliability of the equipment means that life and death are different, there is no room for error. As a result, medical device developers follow some of the most stringent standards in the digital electronics industry when selecting key components of the system—only the best components are qualified for this task.
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UTAS is a provider of medical devices for patient monitoring and diagnostics, supplying a wide range of electrocardiographs, patient monitors, pulse oximeters and other products for use in medical facilities and rescue sites. Medical staff can clearly view patient data with UTAS equipment, enabling them to make more timely and informed patient care decisions. In order to maintain the company's reputation and guarantee the quality of each system delivered, UTAS is able to ensure the high-performance signal processing and robust performance of the full range of products with the technical strength of ADI - UTAS's latest portable patient monitor The product UM300 is a typical representative product.
Key technologies for measuring vital signs
UTAS's systems are known for their high measurement accuracy, reliability and price/performance, and are compact in size, battery-powered and easy to carry. Hospitals, clinics and ambulances in more than 25 countries around the world use UTAS systems designed for a wide range of patient care applications, including surgery, cardiac care, critical care, clinical care and patient transfer.
The new UM300 multi-parameter patient monitor demonstrates UTAS' innovative application of ADI technology, using ADI's Blackfin® processor for digital signal processing (DSP), and other advanced ADI components for seamlessly connected signal chains. Achieve the system's cost-effective and compact form factor. ADI's extensive experience in the healthcare market and world-leading signal processing technology have helped UTAS achieve a unified system design architecture for the UM300 that enables the UM300 to implement many powerful signal processing, networking and analysis functions.
End-to-end signal processing platform
The UM300 patient monitor uses a dual-core Blackfin BF561 for centralized digital signal processing—real-time digital filtering, pre-processing, and final processing—and controls the system's measurement virtualization capabilities and its video interface, enabling users to pass high-resolution color The display simultaneously observes up to 8 real-time waveforms. The Blackfin BF561 uses a symmetric multiprocessing configuration of two Blackfin cores, each operating at up to 600MHz/1200 MMACS and comes with 2.6Mb of on-chip SRAM memory. The 32-bit external port and dual 16-channel DMA controllers provide exceptionally high bandwidth. Thanks to the integration of two Blackfin cores within the BF561 architecture, the UM300 offers significant space savings, reduced complexity and a compact form factor.
The Blackfin BF561 integrates application-optimized on-chip peripherals that connect directly to the ADI AD7190 Σ-Δ analog-to-digital converter and the AD7689 PulSAR® ADC in the UM300. The UM300 system also uses ADI's AD8605 single-supply operational amplifier, AD8220 junction field effect transistor (JFET) input instrumentation amplifier, ADP3335 precision regulator, and ADuM2401 iCoupler® four-way digital isolators to form a seamless connection. Performance component platform.
Blackfin gets extensive use of UTAS
UTAS's successful use of Blackfin has also extended to other UTAS systems, including the UCARD 100 electrocardiograph and the USP 100 syringe pump. Both products use the Blackfin BF533 processor for high-performance biomedical signal processing and interoperability with the UM 300.
The Blackfin BF533 used in UTAS's UCARD 100 and USP 100 systems can operate up to 756MHz (1512 MMAC), on-chip SRAM memory up to 148kB, and integrates support for on-chip memory, off-chip memory and system peripherals. Advanced DMA controllers for both peacekeeping and 2D DMA transfer to maximize system performance. The Blackfin BF533 processor architecture integrates a multi-function serial port (SPORT), UART, SPI-compatible port, and programmable parallel port (PPI) to provide a seamless peripheral connection for the UTAS design team to accommodate a variety of configuration options.
Both the Blackfin BF561 and BF533 have many innovative architectural features that reduce processor- and system-level power consumption, including independent dynamic power management mechanisms. Under this mechanism, the operating frequency and operating voltage can be independently controlled to meet the performance requirements of the executing algorithm. Blackfin's power consumption can be as low as 0.15 mW/MMAC at 0.8V. This low-power feature helps UTAS system designers extend the battery life of all Blackfin-based products as much as possible. The key to change.
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