MAUDE Adverse Event Report: INTEGRA NEUROSCIENCES PR ESSENTIAL VALVE KIT, BURR-HOLE STYLE, MEDIUM PRE; N/A

Catalog Number	NL8504111
Medical Device Problem Code	Improper Flow or Infusion (2954)
Health Effect - Clinical Code	Insufficient Information (4580)
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
The essential valve kit (nl8504111) was not returned, and lot number information has not been provided; therefore, device history record (dhr) could not be reviewed.As per complaint report, it is stated that the doctor suspected that ¿it may be a faulty batch¿.However, no lot number was provided and no trends have been identified for catalog nl8504111 that could be related to the reported condition.There are in-process controls throughout the manufacturing process to ensure proper functionality of these devices.Tests such as backflow, leak, occlusion, and pressure test are performed to 100% of the units manufactured.Since the unit will not be returned for evaluation, a root cause determination is not possible at this moment., and failure analysis is not possible.Therefore, the complaint is considered unconfirmed.
Event or Problem Description
This report is linked to the following mfg report numbers: 2648988-2025-00022.2648988-2025-00037.2648988-2025-00038.An integra authorized distributor reported the following: "during a meeting at the (b)(6) hospital of the (b)(6)], who specializes in shunt systems and the treatment of hydrocephalus, presented us an unusual case.She has a 30-year-old female patient who underwent five replacements of the essential shunt system and was referred to her with a non-functioning shunt just two weeks after a reoperation.The reoperations were performed at (b)(6) hospital in (b)(6), and what is particularly alarming is that all of them took place within the past six months.Yesterday, dr.(b)(6) replaced the malfunctioning essential shunt with a mietke valve.Csf examination did not reveal any abnormalities; protein levels were within the normal range.Dr.(b)(6) handed over the essential shunt valve to us for further examination.She suspects it may be a faulty batch.¿ implantation date: (b)(6) 2023, ¿ explant date: no data.¿ reference and lot number of the valve? no data.¿ how was the valve failure discovered? no data.¿ did the patient experience any signs and symptoms due to valve failure? if yes, please explain: no data.¿ timeframe between the implantation and the onset of signs and symptoms? ¿ current status of the patient? death.¿ event dates of the 5 replacements? (b)(6) 2023.¿ were the valves used for the 5 replacements all from integra? the last valve implanted was from b.Braun.¿ were these 5 replacements events already reported to us? no.Unfortunately, we won't be able to obtain further information from the hospital.The patient has died.The patient's death is not related to valve dysfunction.".

• Brand Name: ESSENTIAL VALVE KIT, BURR-HOLE STYLE, MEDIUM PRE
• Common Device Name: N/A
• Manufacturer (Section D): INTEGRA NEUROSCIENCES PR; road 402 north, km 1.2; road 402 north, km 1.2; anasco PR 00610
• Manufacturer (Section G): INTEGRA NEUROSCIENCES PR; road 402 north, km 1.2; anasco PR 00610
• Manufacturer Contact: vivian nelson ; 1100 campus drive; princeton, NJ 08540 ; 6099362319
• MDR Report Key: 22806508
• Report Number: 2648988-2025-00036
• Device Sequence Number: 15719072
• Product Code: JXG
• UDI-Device Identifier: 10381780356127
• UDI-Public: 10381780356127
• Combination Product (Y/N): N
• PMA/510(K) Number: K153041
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Foreign,Distributor
• Initial Reporter Occupation: Other
• Type of Report: Initial
• Report Date (Section B): 08/14/2025

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?: No
• Operator of Device: Health Professional
• Device Catalogue Number: NL8504111
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 07/25/2025
• Initial Report FDA Received Date: 08/14/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• 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: Unknown
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention; Other
• Patient Sex: Unknown