Mobile Medical Device Integration

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NexJ/MyOSCAR Medical Peripheral Mobile Adapter Will be designed to enable NexJ's Mobile Healthcare solutions to interact with Bluetooth/WiFi peripherals.

First Application: Blood Pressure/Weight Scale to Android using Bluetooth protocol

Project Status

Goal for March 2014:


Completed tasks:

  • Wei: Phonegap implementation of library to retreive data from bluetooth A&D weight scale.
  • Wei: Phonegap implementation of library to retreive data from bluetooth A&D blood pressure monitor.
  • Wei: Phonegap implementation of library to retreive data from OneTouch glucometer via BluGlu bluetooth dongle.
  • Dylan: POC native Android code to connect to FitBit servers and retrieve data uploaded by a FitBit device using their API.
  • Dylan: POC native Android code to connect to Withings servers and retrieve data uploaded by a Withings weight scale.
  • Dylan: POC native Android code to connect to MyOSCAR and retrieve/upload data.
  • Dylan: Port Phonegap library implementation to retrieve data from bluetooth A&D devices to native Android.
  • Alek: human-usable version of Phonegap application to work with A&D weight scale, blood pressure monitor, and BluGlu.
  • Alek: Rewrite the first screen of the Demo MMDI app in Java (UI and retrieval of paired devices complete). Assumes Bluetooth is already enabled.
  • Zak: Proof of concept of integrating heart beat monitor with Android.
  • Zak: Design of initial user interface
  • Zak: Developing persistence implementation with SQLite

Not yet completed tasks:

  • Wei: Phonegap implementation of library to retreive data from OneTouch glucometer via Polytel bluetooth dongle.
  • Dylan: Retrieve measurements from a Withings scale and upload it to MyOscar.
  • Dylan: Retrieve bluetooth glucometer readings in native Android code and upload it to MyOscar.
  • Zak:
  Start workout button to connect to device to make sure it recieves data
  Make sure data is pulled per second to get up to date readings
  Plot data on graph (5 min range)
  End workout will do the clean up stuff.
  • Zak: MyOscar: Push data to myoscar and pull updates at the end of the day
  • Zak: Withings scale support in HealthFirst
  • Zak: Fitbit support in HealthFirst
  • Alek: Design/Refine the UI for the Workout App (focus on the Heart Rate Monitor feature).
  • Alek: Design/Refine the UI for the Simple Data Uploader App.
  • Alek: Add functionality to the buttons of the Demo MMDI Java app (not a priority at the moment).


Current Contributors

Past Contributors




NexJ's mobile health solution requires its smartphone health coach application to have the ability to read medical measurement data from Bluetooth-capable devices, The devices included in the initial project proposal are as follows: blood pressure device, glucose level measuring device and a weight measuring device.

The health coach application will be designed to use PhoneGap, a rising technology that blurs the line between mobile operating systems. Implementing native Bluetooth adapters becomes only part of the solution. The health coach application will interact with a unified API in JavaScript to retrieve data from Bluetooth-capable medical peripherals.

The unified JavaScript API will be developed to utilize PhoneGap's JavaScript API to make native code calls. These native calls will focus on a medical Bluetooth device adapter which also must be implemented. This Bluetooth adapter will be extended for each supported measuring device and implemented on each supported mobile operating system.

Project Repository

Mercurical HowTo


Most of us probably have some relative that may be in and out of hospital or some may have a critically ill relative. Wouldn't it be nice to have some way of monitoring how they are doing? Wouldn't it be great to see all this information on your smart phone? Wouldn't it be great to have not only the information freely available to patients but also that the software is free and open source? I will explain the cutting edge technology/research we are conducting.

What is MyOscar?

MyOscar is a personal health record system which was created to give patients the freedom to see their medical records. Not only are patients able to see this information but also share this information with family and loved ones. The software is open source. To read more about it visit:

Should Patients Have Access To Their Personal Medical Data And Why?

You may have an elderly parent or grandparent that you may want to monitor if their condition becomes critical while at work or traveling. Or you may have a critically ill loved one that you may be taking care of. We think by having this technology, it would make it possible to help improve peoples lives and relieve worries.

Critical Care Patient Monitoring And Can Technology Help?

We believe that yes, it could be possible to help a patients for example a critical care patient which would need around the clock monitoring. Perhaps with technology like this patients could leave the hospital and allow their caregivers to monitor them through an application (smart phone).

Our Efforts At Seneca Center of Development Of Open Source Technology

We are researchers, students and professors that believe that it may be possible to improve the healthcare industry through cutting edge technology. We believe that this technology we create should be open source. We have created mobile applications that read wireless via Bluetooth to retrieve accurate medical data. Currently we are working on syncing this data with MyOscar EMR to further improve accessibility of patient data.