Medical Applications User Guide (pdf) - Freescale Semiconductor

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Telehealth Systems 3.1 Introduction One of the trends in the home medical market is the need to monitor patients away from a hospital or doctor’s office3 . Companies are now developing solutions that monitor a patient’s vital signs at home and relay this information to the health care provider. Physicians or home health care companies give patients a telemonitoring hub device to use at home. This telemonitoring hub connects home portable devices used to measure vital signs such as blood pressure, heart rate, body temperature and other measurements depending on their needs. This information is then sent to the hub via USB, Bluetooth wireless technology or ZigBee technology. The hub then relays the patient’s vital sign information to his or her physician at periodic intervals (usually once a day) via Ethernet, Wi-Fi ® , phone line or cellular network. As telemonitoring is in its infancy, there continue to be new approaches to address this medical application. Although solutions vary widely, most of them share similar features and the end result is the same. Data from the patient is monitored and transferred to the health care provider. Form factors for a telehealth system may vary from a simple patient monitoring system to a high-end robotic telehealth surgical assistant. The parts of a basic telehealth system are shown in Figure 3-3. 10 3 who .int/medical_devices/en/ Medical Applications User Guide
3.2 Home Health Hub (HHH) Reference Platform The Freescale HHH reference platform aids medical equipment manufacturers in quickly and easily creating remote-access devices that can collect, connect and securely share health data for improved healthcare management. The changing dynamics of the aging global population are creating an increased demand for new technologies and tools that can offer peace of mind to the family members of seniors living at home. There’s also a need to provide access to healthcare in remote and growing regions of the world to improve the quality of life for millions of people. The HHH reference platform is designed to simplify development of connected medical devices and help our customers more easily address these growing needs. The HHH reference platform consists of an aggregator/gateway board based on the lowpower i.MX28 applications processor (built on the ARM9 processor) running various connectivity interfaces to healthcare end devices and wireless or wired connectivity for a remote user interface. Also included is a panic alarm sensor based on Freescale’s MC12311 sub-1 GHz radio, providing personal emergency response system (PERS) functionality. To complete the reference platform, software such as board support packages (Linux ® and Windows ® Embedded Compact 7) and example code are included. The HHH reference platform comes complete with the iDigi Telehealth Application Kit, and is available for purchase through Digi International at digi.com/hhh. Freescale’s HHH reference platform, adhering to Continua device profiles, provides comprehensive functionality and can be used as the foundation for connected medical product designs, giving developers a headstart to help them get to market faster. The Freescale HHH reference platform delivers a hardware implementation and the necessary Figure 3-1: HHH Reference Platform Figure 3-2: HHH Platform Demonstration Home Health Hub Reference Platform Demonstration TELEHEALTH 868 MHz RF HHH Panic Alarm MC12311 i.MX53 Tablet with Medical User Interface Data Aggregator Based on the QorIQ P1022RDK Bluetooth Nonin Pulse Ox MC9S08GP32 ® HDP Bluetooth SPP Blood Glucose Meter Bluetooth Low Energy Thermometer Freescale Technology Wired Connection Wireless Connection software components to provide prevalidated, secure connectivity for healthcare devices and user interfaces. The platform also enables connection to the Microsoft HealthVault, a privacy- and security-enhanced online data repository that lets users organize, store and share their health information. The HHH reference platform was the Ultimate Products winner in the 2012 UBM Electronics Home Portable Medical Blood Pressure Monitor HOME AUTOMATION freescale .com/medical 11 Ethernet Health Care USB PHDC Weight Scale Physician Monitoring Center, Loved One’s Social Network Expansion Capabilities Smart Plugs Smart Appliances Safety/Security Lighting Control Local Display ACE (Annual Creativity in Electronics) in the Development Kits, Reference Designs and SBCs category.
Page 1 and 2: Medical Applications User Guide TM
Page 3 and 4: freescale.com/medical 3 Introductio
Page 5 and 6: Introduction 1.1 Freescale Offers T
Page 7 and 8: Monebo Kenetic ECG Algorithms Free
Page 9: Home Portable Medical 2.1 Introduct
Page 13 and 14: 3.3 Power Management Every design n
Page 15 and 16: MC34704 The MC34704 is a multi-chan
Page 17 and 18: 3.7 How it Works The external capac
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Page 21 and 22: 3.19 Standard Medical USB Communica
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Page 25 and 26: 4.2 Heartbeat Detection The heartbe
Page 27 and 28: 4.6 Blood Pressure Monitor Referenc
Page 29 and 30: MCF51MM: Flexis 32-bit ColdFire V1
Page 31 and 32: Heart Rate Monitor 5.1 Introduction
Page 33 and 34: Instrumentation amplifier requireme
Page 35 and 36: 6.2 Test Strip A test strip consist
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Page 41 and 42: 7.2 Signal Acquisition This applica
Page 43 and 44: AN4327 Pulse Oximeter Fundamentals
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The eMAC improvements target three
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11.2 Circuit for Capacitive Dischar
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12.2 System Sensors Figure 12-1: Ve
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• i.MX Processors The most versat
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MPX230xDT1: High Volume Pressure Se
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S08MM: Flexis 8-bit MCUs The 9S08MM
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13.2 Brief Theory As mentioned in C
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Vital Signs 14.1 Introduction A vit
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14.6 Motor Control with Freescale D
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State-of-the-art technology—inclu
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15.5 Communication Interfaces USB P
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15.7 Multimedia Applications with i
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16.2 Ultrasonic Probe The ultrasoni
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segments. Devices start from 128 KB
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Powered Patient Bed 17.1 Introducti
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accelerometer is required. The Free
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Table 17-1. Freescale Technologies
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18.2 Ultrasound Ultrasound is a non
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The depth in color used in the fina
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significant amount of precision ana
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All the devices featured are pin co
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Summary Summary Applications Freesc
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Appendix Digital Signal Processing
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Freescale Technologies • ColdFire
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ADC Analog-to-digital converters (A
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freescale .com/medical
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Medical Applications User Guide (pdf) - Freescale Semiconductor

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