Medtronic MiniMed Inc.: Medtronic MiniMed Guardian Monitor, Model No. CSS7100, CSS7100K Product Usage: The Medtronic MiniMed model CSS7100 and CSS7100K Guardian REAL-Time monitors are used in combination with the Minilink transmitter and Sof-sensor glucose sensor for continuous monitoring of subcutaneous glucose concentration. The information provided by these devices is intended for use in identifying potential episodes of high or low blood glucose. The information provided is not intended to be used directly for making therapy adjustment but rather to assist the user in determining that an additional fingerstick glucose measurement may be appropriate. Per the product labeling, all therapy adjustments should be based on fingerstick glucose measurements obtained using standard home glucose meters and not on the sensor glucose values provided by the Guardian REAL-Time monitor. The CSS7100 and CSS7100K monitors are identical expect for the fact that the CSS7100K monitor is a pediatric version that has a minimum programmable low alert setting of 90 mg/dL. The minimum programmable low glucose alert setting for the adult model (CSS7100) is 40 mg/dL.

Recall number

Z-2179-2014

Recalling firm

Medtronic MiniMed Inc.

Product

Medtronic MiniMed Guardian Monitor, Model No. CSS7100, CSS7100K Product Usage: The Medtronic MiniMed model CSS7100 and CSS7100K Guardian REAL-Time monitors are used in combination with the Minilink transmitter and Sof-sensor glucose sensor for continuous monitoring of subcutaneous glucose concentration. The information provided by these devices is intended for use in identifying potential episodes of high or low blood glucose. The information provided is not intended to be used directly for making therapy adjustment but rather to assist the user in determining that an additional fingerstick glucose measurement may be appropriate. Per the product labeling, all therapy adjustments should be based on fingerstick glucose measurements obtained using standard home glucose meters and not on the sensor glucose values provided by the Guardian REAL-Time monitor. The CSS7100 and CSS7100K monitors are identical expect for the fact that the CSS7100K monitor is a pediatric version that has a minimum programmable low alert setting of 90 mg/dL. The minimum programmable low glucose alert setting for the adult model (CSS7100) is 40 mg/dL.

Status

Terminated

Initiated

2014-07-21

Posted

2014-08-10

Terminated

2014-10-08

Reason

Medtronic MiniMed is recalling the Guardian REAL-Time monitors because of a manufacturing issue that has the potential to compromise the water resistance of the affected Guardian monitors.

Root cause

Device Design

Action

Medical Device Recall letters dated July 21, 2014 andJuly 22, 2014 were sent to distributors, patients, and healthcare providers who purchased the Guardian REAL time monitors. The letters inform the customers of the problems identified and the actions to be taken. Distributors with questions are instructed to email rs.nrdlrinbox@medtronic.com. If healthcare professionals want to speak to Medtronic's medical officers then they are instructed to call (818) 576-4211, ext. 64511. Customers and healthcare professionals' patients are instructed to call Guardian Recall Hotline at (800) 646-4633, ext. 21090, 8am-6pm, CST.

Quantity

86 units

Distribution

Worldwide:Distribution - US Nationwide and the countries of Croatia, Denmark, Finland, Germany, Netherlands, Norway, Sweden, Switzerland.

Lot, serial or model codes

CSS7100 and CSS7100K

510(k) numbers

not on file

PMA numbers

["P980022"]

Product code

MDS

Firm FEI

3003166194

Firm city

Northridge

Firm state

CA

Firm country

not on file

Cite as

FDA Medical Device Recalls (openFDA) (U.S. Food and Drug Administration (openFDA)), device-recall-0001-of-0001.json.zip, sha256 b87518bfe2e8, published 2026-09-28

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