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When you decide to build your own artificial pancreas, it’s always important to think about security and safety, and to understand the impact of all your actions
AAPS is a just a tool to help you manage diabetes, it is not a fully automated system you can install and forget!
Do not assume that AAPS will never make mistakes. This device is taking control of your insulin delivery: Watch it all the time, understand how it works, and learn how to interpret its actions.
Remember that, once paired, the phone can instruct the pump to do anything. Only use this phone for AAPS and, if being used by a child, essential communications. Do not install unnecessary apps or games (!!!) which could introduce malware such as trojans, viruses, or bots that could interfere with your system.
Install all security updates provided by your phone manufacturer and Google.
You might also need to change your diabetes habits as you change your therapy by using a closed loop system. I.e. some people report, they need less hypo treatments as AAPS has already reduced insulin.
AAPS allows you to control a child’s phone remotely via text message. If you enable this SMS Communicator, always remember that the phone set up to give remote commands could be stolen. So always protect it at least by a PIN code.
AAPS will also inform you by text message if your remote commands, such as a bolus or a profile change, have been carried out. It is advisable to set this up so that confirmation texts are sent to at least two different phone numbers in case one of the receiving phones is stolen.
AAPS can also be used by blind people
On Android devices TalkBack is part of the operating system. It is a program for screen orientation via voice output. With TalkBack you can operate your smartphone as well as AAPS blind.
We users create the AAPS app ourselves with Android Studio. Many use Microsoft Windows for this purpose, where there is the Screenreader analogous to TalkBack. Since Android Studio is a Java application, the ”Java Access Bridge“ component must be enabled in the Control Panel. Otherwise, the screen reader of the PC will not speak in Android Studio.
To do this, please proceed as follows:
Press WINDOWSTASTE and enter ”Control Panel“ in the search field, open with Enter. It opens: ”All Control Panel Items“.
Press the letter C to get to ”Center for Ease of Use“, open with Enter.
Then open ”Use computer without a screen“ with Enter.
There, at the bottom, you will find the checkbox ”Enable Java Access Bridge“, select it.
Done, just close the window! The screen reader should work now.
IMPORTANT SAFETY NOTICE
The foundation of AAPS safety features discussed in this documentation is built on the safety features of the hardware used to build your system. חשוב מאוד שתשתמשו רק במשאבת אינסולין שנבדקה ואושרה ע“י ה-FDA או CE ובחיישן CGM לסגירת לולאת מינון אינסולין אוטומטית. שינויים בחומרה או בתוכנה ברכיבים אלה עלולים לגרום למינון בלתי צפוי של אינסולין, ולגרום לסיכון משמעותי למשתמש. If you find or get offered broken, modified or self-made insulin pumps or CGM receivers, do not use these for creating an AAPS system.
Additionally, it is equally important to only use original supplies such as inserters, cannulas and insulin containers approved by the manufacturer for use with your pump or CGM. Using untested or modified supplies can cause CGM inaccuracy and insulin dosing errors. Insulin is highly dangerous when misdosed - please do not play with your life by hacking with your supplies.
Last not least, you must not take SGLT-2 inhibitors (gliflozins) as they incalculably lower blood sugar levels. The combination with a system that lowers basal rates in order to increase BG is especially dangerous as due to the gliflozin this rise in BG might not happen and a dangerous state of lack of insulin can happen.