Tuesday, 15 March 2016

block chain software

There's an increasing trend of patient care moving from hospitals and clinics and into homes. Healthcare providers may also be driving this, as home care can assist in improving efficiency and reducing costs incurred by doctors and hospitals. Portable medical electronics technology can expedite this process.block chain software

In the absolute most basic form, portable medical devices are all battery-operated, microcontrolled portable devices that take and analyze measurements using various bio-sensors on a patient.
There are several functional blocks which can be common to many portable home-based and consumer medical devices:
• Bio-sensor(s) or bio transducers
• Amplification and analog-to-digital conversion of the sensor input
• Power management: system power control and power sequencing
• Micro controller: low-power operation and control.
• User interface: display and human machine interface: keypads, scroll wheels, buttons and switches

Additional requirements may drive needs for:
• Storage: interface to multiple standards
• Interfaces: wireless and wired
• Audio feedback or notification

Portable medical devices must offer low-power consumption to extend battery life. Making the device robust and adhering to health governance rules are additional requirements. And like all designs, faster time-to-market, inexpensive, reliability and small form factors are important.blockchain technology

While engineering is generally about making trade-offs between opposing features, specifications, and space constraints, such trade-offs are generally difficult to produce in the portable medical arena. Certain requirements in this market tend to be incongruous-the need for a small form factor alongside high functionality; low power consumption alongside powerful analog; and long battery life alongside high processing capability.

A fantastic example system is just a portable Patient Vital Signs Monitor, which measures blood pressure, heartrate, pulse oxygen and temperature using IR thermometry. Using a programmable system-on-chip (PSoC) in this design reduces design complexity by offering configurable integration of the entire signal chain for analog signal processing, causing significant space and cost savings. An individual PSoC can accomplish all the control functions needed in this design, performing different tasks at differing times with respect to the operation taking place.Know more

A Patient Vital Signs Monitor using PSoC has the benefit of emulating the majority of the required peripherals inside one chip. An individual PSoC includes Flash and SRAM memory, an MCU, ADCs, PWM, filters, USB control and capacitive sensing. LCD drive is integrated in the PSoC. Only the pressure transducer and the LCD display are external to PSoC. Clearly, there's an instantaneous component count reduction, with most peripheral components incorporated into the SOC.

Software Tools
PSoC Designer is a built-in design environment tool that combines drag-and-drop conveniences with the capacity to add C or Assembly language code on the fly. The software has many pre-characterized and configured analog and digital user modules to shorten development time. It has an integrated JTAG programmer and debugger allowing for real time emulation of this system plus code download to the processor's non-volatile memory. Applying this tool, a designer selects components (counters, PWM, ADC, DAC, etc.) from a listing, and then can modify the look having an integrated C/Assembler editor, and then program and debug the design..

All three functionalities of the Patient Vital Signs Monitor use the same external peripherals like LCD, keypad and power sources. The only real variables would be the transducer sections. In most three functions, the signal chain is emulated inside the chip and software calculations for signal processing runs in the PSoC's microcontroller. Thus, using one PSoC and some peripherals, all three functionalities are implemented in one single device. This design approach reduces components which also reduces noise induction and power consumption. Additionally, it makes for fast and easy changes, even late in the look cycle.

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