I am currently own a medtronic minimed 670g resulting pump system that includes their guardian link continuous glucose monitoring system.I experienced two quality issues with the cgm system on this day.The first sensor insert's needle remover device did not unlock from the sensor properly, and in turn as i pulled the removal device, it pulled the entire sensor out of the area i inserted it.This of course rendered the sensor device useless.I inserted a 2nd new sensor device and it went fine until the sensor would not calibrate properly and i was instructed to remove it.Since late (b)(6) i have had a total of two boxes of 5 sensors per box that i have used.Out of those 10 sensors, 4-5 have been bad or had quality issues such as mentioned above.Where i am from those are not good statistics.
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