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

Model Number	8404ZX
Medical Device Problem Codes	Device Reprocessing Problem (1091); No Display/Image (1183); Poor Quality Image (1408)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The affected device has been requested for investigation by the manufacturer.The device was not yet returned for investigation.The event is filed under internal karl storz complaint id: (b)(4).
Event or Problem Description
It was reported that "no image during use." no negative impact in state of health reported.
Additional Manufacturer Narrative
The device in question was returned to the manufacturer.This information is reflected in section d9.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).
Additional Manufacturer Narrative
Investigation: accordingly, we would like to give a summary of our results regarding the reported issue.The evaluation results: the device was sent to the manufacturer for inspection.During the technical inspection by the manufacturer, the fault description provided by the customer was confirmed and further defects were identified.The following defects were identified in total: rear video input connection socket, corroded / dirty, side video input jack, dirty / oxidized.The technical inspection revealed that the rear and side connectors have oxidized due to improper refurbishment; furthermore, the motherboard is defective, having been damaged by improper use during refurbishment or handling.We therefore conclude that this was caused by improper use by the user or during refurbishment.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: 23652097
• Report Number: 9610617-2025-02162
• Device Sequence Number: 11967984
• Product Code: CCW
• UDI-Device Identifier: 04048551432778
• UDI-Public: 04048551432778
• Combination Product (Y/N): N
• Initial Reporter Country: GM
• 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,User Facility,Company Representative
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup,Followup
• Report Date (Section B): 04/17/2026

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: Health Professional
• Device Model Number: 8404ZX
• Device Catalogue Number: 8404ZX
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 11/20/2025
• Supplement Date Received by Manufacturer: 12/05/2025; 04/17/2026
• Initial Report FDA Received Date: 11/25/2025
• Supplement Report FDA Received Date: 12/22/2025; 04/17/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• 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