14
8 About Optune
®
Optune is a portable medical device. It delivers electric fields called “TTFields” to the brain using transducer arrays.
TTFields are intended to kill cancer cells.
Your doctor has prescribed Optune for use at home. You may be able to use Optune on your own, or you may need
help from a doctor, family member, or other caregiver. Use Optune as many hours per day as possible. Only take short
breaks for personal needs. Use the device for at least four weeks. When starting treatment at your doctor’s clinic, your
doctor will tell you how to use the device, replace transducer arrays, recharge and replace batteries, and plug in the
device. Your doctor will also teach you what to do if an alarm beeps and will give you a telephone number to call for
technical support. After this short training at the doctor’s oce, with the help of a family member or care provider if
needed, you will be able to properly work Optune. You will also be able to change the batteries, charge the batteries
and replace the transducer arrays as needed.
The device can be carried when you are using a battery. You can continue your normal daily life while carrying the
device in a shoulder bag. The Optune Treatment Kit includes four rechargeable batteries. Each battery will last for two
to three hours. For sleeping, or other times when you plan to stay in the same place for a while, plug the device into a
standard wall outlet.
Optune does not need regular maintenance. Optune also does not have any settings for you to change. The only things
you need to do are check that the device has a power supply (a charged battery, or is plugged into the wall) and turn it
on and o. If the device is not working, an alarm will beep. A simple Troubleshooting Guide is provided in this manual
(Section 26). You can also call the 24-hour technical support telephone number (Section 27). Shave your scalp and
change the transducer arrays at least twice a week. Keep treatment breaks to a minimum. Interrupt treatment only for
personal needs such as bathing, exercise, or any time where the device may be a distraction. Stop treatment to replace
the transducer arrays. To take a shower, unplug the transducer arrays from the device (leave the transducer arrays on
your head) and put a shower cap on your head so it does not get wet. You can take a full shower and wet your head
when you are not wearing the transducer arrays (for example, when you have taken them o but before replacing them
with a new pair). You can wear a wig or hat over the transducer arrays, if you wish.
About Optune\\DC - 099263/000001 - 12620961 v1
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