Medtronic Guardian Sensor Manuel D'utilisation page 6

Discard used sensors and needle housings in a sharps container
after each use to avoid accidental needlestick or puncture.
Do not clean, resterilize, or try to extract the needle from the
needle housing. An accidental needlestick or puncture may occur.
Do not reuse sensors. Reuse of a sensor may cause damage to
the sensor surface and lead to inaccurate glucose values, site
irritation, or infection.
Where to insert the sensor
CAUTION: Make sure the sensor site is at least 2.5 cm (1 inch)
away from the insulin pump infusion site or manual injection
site. And when replacing the sensor, select a new site that is
at least 2.5 cm (1 inch) away from the previous site to allow
the area to heal. Any scarring or hardening of the tissue can
cause inaccurate insulin delivery or sensor performance.
CAUTION: Avoid the 5.0 cm (2 inch) area around the navel
to help ensure a comfortable insertion site and to help with
sensor adhesion.
Choose an insertion site that
has an adequate amount of
subcutaneous fat. Shown
here are the best body areas
(shaded) for sensor insertion.
Do not insert the sensor in muscle or areas constrained by
clothing or accessories, areas with tough skin or scar tissue, sites
subjected to rigorous movement during exercise, or in sites under
a belt or on the waistline for best sensor performance and to avoid
accidental sensor removal.
Removing the sensor
When you are ready to change your sensor, disconnect the
transmitter from the sensor as described in your transmitter user
guide. Gently pull the sensor from your body to remove it. Place
the sensor in a sharps container.
Reagents
The sensor contains two biological reagents: glucose oxidase, and
human serum albumin (HSA). Glucose oxidase is derived from
Aspergillus niger and manufactured to meet industry requirements
for extraction and purification of enzymes for use in diagnostic,
immunodiagnostic, and biotechnical applications. The HSA used
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