MAUDE Adverse Event Report: CHRISTOPH MIETHKE GMBH & CO KG SHUNTASSISTANT 2.0; SHUNT, CENTRAL NERVOUS SYSTEM AND COMPONENTS

Model Number	FX102T
Medical Device Problem Code	Calibration Problem (2890)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
The adverse event is filed under aic reference (b)(4).Investigation on-going.Should relevant additional information / investigation results become available, a supplemental medwatch report will be submitted.
Event or Problem Description
According to the event description the valve is not clicking or able to be reprogrammed.Reportedly the valve was adjusted to setting that the patient needed before implanting it.The valve worked fine when it was in the packaging but now that it is implanted in the patient it won't click and therefore, unable to be reprogrammed.Reportedly the patient will undergo a revision procedure but has yet to be scheduled.Additional information has been requested but not yet provided.
Additional Manufacturer Narrative
The adverse event is filed under aic reference (b)(4).Investigation results: the device was not returned to the manufacturer for physical evaluation.Additionally, no on-site evaluation of the unit was performed and no parts were returned for failure analysis.Therefore, the investigation was not able to confirm a device issue that could be associated with the reported event.Batch history review: the device history records (dhr) were not able to be reviewed as no lot number was made available.However, all device history records (dhr) are reviewed and released according to documented procedures and a device is not released if it does not meet requirements or is nonconforming.Conclusion and measures / preventative measures: a definitive conclusion regarding the complaint incident cannot be reached without a physical examination of the complaint device.

• Brand Name: SHUNTASSISTANT 2.0
• Common Device Name: SHUNT, CENTRAL NERVOUS SYSTEM AND COMPONENTS
• Manufacturer (Section D): CHRISTOPH MIETHKE GMBH & CO KG; ulanenweg 2; potsdam, 14469 ,; GM 14469,
• MDR Report Key: 22382138
• Report Number: 2916714-2025-00054
• Device Sequence Number: 9436803
• Product Code: JXG
• UDI-Device Identifier: 04041906501587
• UDI-Public: (01)04041906501587
• Combination Product (Y/N): N
• Initial Reporter State: NC
• Initial Reporter Country: US
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Importer
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 08/22/2025
• Report Date (Section F): 07/02/2025

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Model Number: FX102T
• Device Catalogue Number: FX102T
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Was the Report Sent to FDA?: Yes
• Distributor Facility Aware Date: 06/19/2025
• Event Location: Hospital
• Date Report to Manufacturer: 06/19/2025
• Initial Date Received by Manufacturer: Not provided
• Supplement Date Received by Manufacturer: Not provided
• Initial Report FDA Received Date: 07/02/2025
• Supplement Report FDA Received Date: 08/22/2025
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Sex: Unknown
• Date Report Sent to FDA: 07/02/2025