> The sensor is applied to the back of the upper arm with a simple, disposable device called an applicator. When the sensor is applied, a small (5mm) filament is inserted just under the skin, and held in place with a small adhesive pad.
'Inserted just under the skin' means it's still invasive, but that sounds nicer than regular needle-sticks so perhaps 'less-invasive' would be a more accurate description.
> The sensor is applied to the back of the upper arm with a simple, disposable device called an applicator. When the sensor is applied, a small (5mm) filament is inserted just under the skin, and held in place with a small adhesive pad.
'Inserted just under the skin' means it's still invasive, but that sounds nicer than regular needle-sticks so perhaps 'less-invasive' would be a more accurate description.