MAUDE Adverse Event Report: CHRISTOPH MIETHKE GMBH & CO KG MININAV VALVE 10; HYDROCEPHALUS MANAGEMENT

Model Number	FV660T
Medical Device Problem Code	Excess Flow or Over-Infusion (1311)
Health Effect - Clinical Code	Hydrocephalus (3272)
Date of Event	09/17/2024
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Investigation: visual inspection: during the investigation, no abnormalities were determined.Permeability test: a permeability test has shown that the valve is permeable.Computer controlled test: to investigate the claim of over- drainage, the opening pressure is measured using a miethke computer controlled testing apparatus which simulates a cerebrospinal fluid flow.The valve is tested in the horizontal position.The results show that the valve operates within the accepted tolerances in the horizontal position.Internal inspection: after dismantling of the valve, no deposits were found inside.Result: based on our examination results, we cannot identify any functional deviations or other abnormalities with the product.The valve met all specifications.At the time of the investigation, it is not clear to us how this abovementioned functional impairment occurred.
Event or Problem Description
It was reported that a mininav (#fv660t) was implanted during a procedure on (b)(6) 2024.According to the complainant, the valve caused an overdrainage.The patient underwent a revision procedure.The complainant device was returned to the manufacturer for evaluation.No patient complications were reported as a result of the revision procedure.Age: 9 months, height: 65 cm, weight: 7 kg, gender: male.

• Brand Name: MININAV VALVE 10
• Common Device Name: HYDROCEPHALUS MANAGEMENT
• Manufacturer (Section D): CHRISTOPH MIETHKE GMBH & CO KG; ulanenweg 2; potsdam, 14469 ; GM 14469
• Manufacturer (Section G): CHRISTOPH MIETHKE GMBH & CO KG; ulanenweg 2; potsdam, 14469 ; GM 14469
• Manufacturer Contact: joerg knebel ; ulanenweg 2; potsdam, 14469 ; GM 14469
• MDR Report Key: 20422262
• Report Number: 3004721439-2024-00315
• Device Sequence Number: 18049097
• Product Code: JXG
• UDI-Device Identifier: 04041906133085
• UDI-Public: 4041906133085
• Combination Product (Y/N): N
• Initial Reporter Country: GM
• PMA/510(K) Number: K110206
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2024
• Device Explanted Year: 2024
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,User Facility,Company Representative
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial
• Report Date (Section B): 10/10/2024

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: FV660T
• Device Catalogue Number: FV660T
• Device Lot Number: 20072353
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 09/19/2024
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 09/19/2024
• Initial Report FDA Received Date: 10/10/2024
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 11/14/2023
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Age: 9 MO
• Patient Sex: Male
• Patient Weight: 7 KG