20 | SEVEN PLUS Continuous Glucose Monitoring System
1.3 SENSOR OVERVIEW
The Sensor is a device that continuously measures your glucose levels. You will use a Blood
Glucose meter to calibrate your glucose readings measured by the Sensor. The Transmitter
collects the Sensor readings and sends them to the Receiver using wireless, radio frequency
(RF) technology. This happens every 5 minutes for up to 7 days.
The Sensor unit has an Applicator (needle, sensor, plastic housing), Sensor Probe, and Sensor
Pod. The Applicator includes a Safety Lock/Transmitter Key to keep the needle in place until you
are ready to insert. After taking off the Safety Lock, you will insert the Sensor Probe just beneath
the skin (subcutaneous tissue) of your belly using a small needle inside the Applicator. The
needle is inserted just under the skin at an angle and carries the Sensor Probe with it. After you
insert the needle and Sensor Probe, you will pull the needle back into the Applicator. Doing this
leaves the Sensor Probe behind to continuously measure your glucose levels. The Applicator,
with the needle inside, is pulled off from the Sensor Pod and should be thrown away. Save the
Safety Lock/Transmitter Key because you can use it to remove the Transmitter at the end of a
continuous monitoring session.
The Sensor Probe lies underneath your skin at an angle and continuously measures your glucose
levels for up to 7 days. The Sensor Pod and Transmitter (once snapped in) remain on your belly
for the entire Sensor wear period. The Sensor insertion site is similar to an insulin pump infusion
site.
1
Plunger
Applicator
(needle/sensor probe inside)
Transmitter Latch
Safety Lock/
Transmitter Release
Collar
Sensor Pod
Release Tab
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