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

Model Number	FV410T
Medical Device Problem Code	Infusion or Flow Problem (2964)
Health Effect - Clinical Code	Hydrocephalus (3272)
Date of Event	09/12/2017
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
This complaint was reopened in reference to (b)(4).Manufacturing site evaluation: manufacturing and quality control data the progav® was manufactured by a qualified employee in july 2015.Deviations during assembly did not occur.The valve was sterilized by miethke and released for shipment after final inspection.The progav® has a normal pressure range of 0 to 20 cmh2o.The shunt system was inspected as article (b)(4).All parameters have been inspected and approved during the manufacturing process.All parameters have been assessed as meeting specifications.Device examination: the progav® was returned submersed in an unidentified liquid.Visual inspection: scratches on the outer housing of the valve were observed through the visual inspection.However, no significant deformations or damage were detected.Permeability test: a permeability test has shown that the valve had a blockage.Adjustment test: the progav® was tested and was adjustable to all specified pressures.Braking force and brake function test: the brake functionality test has shown that the brake function was fully operational and the braking force was within expected tolerances.Computer controlled test: a computer controlled test was not able to be performed because the valve was not penetrable.Result: first, a visual inspection of the progav® was performed.Scratches on the outer housing of the valve were observed through the visual inspection, however, no significant deformations or damage were detected.Next, the permeability, adjustability, as well as the brake functionally and brake force, of the valve were tested.The valve was not permeable, therefore, a computer controlled test was not able to be performed.All other specifications were met.Finally, the valve was dismantled.A build-up of a substance (likely protein) was observed inside the valve.Based on the investigation, a valve occlusion was able to be confirmed which was likely due to the deposits observed inside the valve.Deposits caused by natural substances in the cerebrospinal fluid, such as protein, blood or tissue particles, are among the known and unavoidable risks and side effects of hydrocephalus therapy.Manufacturing defects at the time of release have been excluded.The valve met all specifications of the final inspection when released from christoph miethke (b)(4) no further regulatory actions are required.
Event or Problem Description
It was reported to miethke that a progav valve (part # fv410t) was implanted during a procedure performed on (b)(6) 2015.According to the complainant, the valve was suspected of operating in over-drainage.The patient underwent a revision procedure on (b)(6) 2017.The complaint device was returned to the manufacturer for evaluation.No patient complications were reported as a result of the revision procedure.Age: (b)(6), weight: (b)(6) (kg), height: 160 centimeters (cm), gender: unknown.

• Brand Name: PROGAV VALVE
• 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: 13175882
• Report Number: 3004721439-2021-00825
• Device Sequence Number: 19989698
• Product Code: JXG
• UDI-Device Identifier: 04041906132071
• UDI-Public: 4041906132071
• Combination Product (Y/N): N
• Initial Reporter Country: GM
• PMA/510(K) Number: K103003
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2015
• Device Explanted Year: 2017
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Other,Foreign,Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 01/06/2022

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 Expiration Date: 06/30/2020
• Device Model Number: FV410T
• Device Catalogue Number: FV410T
• Device Lot Number: 20027140
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 09/15/2017
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 09/18/2017
• Initial Report FDA Received Date: 01/06/2022
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 07/09/2015
• 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: 15 YR
• Patient Sex: Unknown
• Patient Weight: 50 KG