MAUDE Adverse Event Report: CARDIAC SCIENCE CORPORATION G3 PLUS, AED, AHA 2010, ENGLISH; AUTOMATED EXTERNAL DEFIBRILLATOR

Model Number	9390E-1001
Medical Device Problem Code	Unable to Obtain Readings (1516)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Zoll medical corporation has received the product and will be providing a supplemental report when our investigation is completed.
Event or Problem Description
Complainant alleged that during functional testing, the device was unable to obtain an ecg signal via electrode pads.Complainant did not indicate that there was any patient involvement in the reported malfunction.
Additional Manufacturer Narrative
This supplemental medwatch report is reporting the evaluation of the device and correcting information submitted on the initial medwatch report.Please reference section d1 (brand name), d4 (model #), and d4 (primary udi#).The device was returned to zoll medical corporation.The customer's report was observed in the log but could not be reproduced.After clearing the error, the device had 30 sec self-tests run (runs a daily, weekly, and monthly self-test within 30 seconds) without any discrepancies noted.On/off current, patient and circuit impedance testing, internal inspection, and shock testing all passed.The pads used during the reported event were not returned for evaluation.The main board was replaced as a precaution.The device was recertified and returned to the customer.Analysis of reports of this type has not identified an increase in trend.

• Brand Name: G3 PLUS, AED, AHA 2010, ENGLISH
• Common Device Name: AUTOMATED EXTERNAL DEFIBRILLATOR
• Manufacturer (Section D): CARDIAC SCIENCE CORPORATION; 500 burdick parkway; deerfield WI 53531 9692
• Manufacturer Contact: scott august ; 269 mill road; chelmsford, MA 01824 ; 9784219552
• MDR Report Key: 24980398
• Report Number: 2112020-2026-00153
• Device Sequence Number: 21216349
• Product Code: MKJ
• UDI-Device Identifier: 00812394021123
• UDI-Public: (01)00812394021123
• Combination Product (Y/N): N
• Initial Reporter State: CT
• Initial Reporter Country: US
• PMA/510(K) Number: P160033
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 04/06/2026

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Other
• Device Model Number: 9390E-1001
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 04/14/2026
• Is the Reporter a Health Professional?: No
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 04/06/2026
• Supplement Date Received by Manufacturer: Not provided
• Initial Report FDA Received Date: 04/24/2026
• Supplement Report FDA Received Date: 05/14/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 03/30/2020
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Reuse
• Patient Sequence Number: 1
• Patient Sex: Unknown