MAUDE Adverse Event Report: KARL STORZ SE & CO. KG C-MAC MONITOR FOR CMOS ENDOSCOPES

Model Number	8404ZX
Medical Device Problem Codes	Display or Visual Feedback Problem (1184); Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Insufficient Information (4580)
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The device in question was returned to the manufacturer.The evaluation is anticipated, but not yet begun.The investigation will be performed by a designated karl storz employee.The event is filed under internal karl storz complaint id: (b)(4).
Event or Problem Description
It was reported that the monitor froze during intubation and could no longer be operated.The device also smelled burnt on receipt.No negative impact in state of health reported.
Additional Manufacturer Narrative
Device evaluation: the technical investigation of the returned product did not reveal the reported problem.As no fault was found during the technical inspection, the most likely cause of the fault is another component, perhaps a defective cable or incorrect operation by the user.There are no signs of a manufacturing defect.The conducted investigations did not reaveal a root cause related to the labelling, the device or its history.All production related quality checks were passed and no non-conformities were identified in the devices manufacturing records.The labelling was found to contain adequate instructions and warnings.The complaint history did not reveal any pick-up in similar complaints, no trend was identified.The event is filed under internal karl storz complaint id: (b)(4).

• Brand Name: C-MAC MONITOR FOR CMOS ENDOSCOPES
• Common Device Name: C-MAC MONITOR FOR CMOS ENDOSCOPES
• Manufacturer (Section D): KARL STORZ SE & CO. KG; dr.-karl-storz-strasse 34; tuttlingen, 78532 ; GM 78532
• Manufacturer (Section G): KARL STORZ SE & CO. KG; dr.-karl-storz-strasse 34; tuttlingen, 78532 ; GM 78532
• Manufacturer Contact: anja fair ; 2151 e grand ave; el segundo, CA 90245
• MDR Report Key: 22020197
• Report Number: 9610617-2025-00850
• Device Sequence Number: 15657141
• Product Code: CCW
• UDI-Device Identifier: 04048551432778
• UDI-Public: 04048551432778
• Combination Product (Y/N): N
• Initial Reporter Country: SZ
• PMA/510(K) Number: EXEMPT
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,Company Representative
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 09/12/2025

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: Health Professional
• Device Model Number: 8404ZX
• Device Catalogue Number: 8404ZX
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 05/08/2025
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 04/30/2025
• Supplement Date Received by Manufacturer: 09/08/2025
• Initial Report FDA Received Date: 05/14/2025
• Supplement Report FDA Received Date: 09/12/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• 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: Unknown
• Patient Sequence Number: 1
• Patient Sex: Unknown