MAUDE Adverse Event Report: CHRISTOPH MIETHKE GMBH & CO KG PROGAV 2.0 SYS SA2.0 20 & PED.PRECHAMBER; HYDROCEPHALUS MANAGEMENT

Model Number FX596T

Device Problems Mechanical Problem (1384); Infusion or Flow Problem (2964)

Patient Problem Hydrocephalus (3272)

Event Date 10/23/2023

Event Type  Injury  

Event Description

It was reported that a progav 2.0 shunt system (#fx596t) was implanted during a procedure performed on (b)(6) 2021.According to the complainant, the shunt system was believed to be operated in underdrainage.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: 3 years and 3 months.Height: 93 centimeters.Weight: 14 kilograms.Gender: female.

Manufacturer Narrative

Investigation: visual inspection: during the investigation, no significant deformations or damage of the valves was determined.Permeability test: a permeability test has indicated that the shunt assistant 2.0 has a blockage and the progav 2.0 valve and the ped.Pre-chamber are permeable.Computer controlled test: to investigate the claim of under-drainage, the opening pressure is measured using a miethke computer controlled testing apparatus which simulates a cerebrospinal fluid flow.The progav 2.0 valve is tested in the horizontal position.Because the shunt assistant 2.0 is not permeable, a computer controlled test is not possible.Accelerated outflow was detected in the progav 2.0.Adjustment test: the progav 2.0 was tested and is not adjustable.Braking force and brake function test: the brake functionality test has shown that the brake function is operational, however the braking force cannot be measured due to the non-adjustability of the valve.Internal inspection: after dismantling of the valves, deposits were found in progav 2.0 and shunt assistant 2.0.To make the proteins / deposits in the shunt system more visible, they were colored using a staining solution.Results: based on our investigation results, we can determine an accelerated outflow and adjustment difficulties in the progav 2.0.The shunt assistant 2.0 has a blockage.The determined deposits can be named as the cause for these problems.Proteins in the cerebrospinal fluid can influence the function temporarily and are known side effects in hydrocephalus therapy.We can exclude a defect at the time of release.The shunt system met all specifications of the final inspection when released from christoph miethke gmbh & co.Kg.No further regulatory actions are required from our point of view.

• Brand Name: PROGAV 2.0 SYS SA2.0 20 & PED.PRECHAMBER
• Type of Device: 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: 18066122
• MDR Text Key: 327294493
• Report Number: 3004721439-2023-00335
• Device Sequence Number: 1
• Product Code: JXG
• UDI-Device Identifier: 04041906503536
• UDI-Public: 4041906503536
• Combination Product (y/n): N
• Reporter Country Code: GM
• PMA/PMN Number: K190174
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: Foreign,User Facility,Company Representative
• Reporter Occupation: Other Health Care Professional
• Type of Report: Initial
• Report Date: 11/03/2023

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
• Device Operator: Health Professional
• Device Model Number: FX596T
• Device Catalogue Number: FX596T
• Device Lot Number: 20050513
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 10/23/2023
• Is the Reporter a Health Professional?: Yes
• Initial Date Manufacturer Received: 10/23/2023
• Initial Date FDA Received: 11/03/2023
• Was Device Evaluated by Manufacturer?: Yes
• Is This a Reprocessed and Reused Single-Use Device?: No
• Type of Device Usage: Initial
• Patient Sequence Number: 1
• Patient Outcome(s): Required Intervention
• Patient Age: 3 YR
• Patient Sex: Female
• Patient Weight: 14 KG