MAUDE Adverse Event Report: MEDTRONIC NEUROSURGERY STRATA NSC VALVE, REGULAR; SHUNT, CENTRAL NERVOUS SYSTEM AND COMPONENTS

Model Number	42365
Medical Device Problem Code	Occlusion Within Device (1423)
Health Effect - Clinical Code	Therapeutic Response, Decreased (2271)
Date of Event	11/07/2017
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
The returned valve was patent and met the requirements for siphon and leak testing.The valve was returned at pl 0.5 and was not adjustable; therefore pressure-flow and pre-implantation testing are beyond pressure level 0.5 could not be completed.The device did not meet the requirements for reflux and pressure-flow testing at pressure level 0.5.There was proteinaceous debris noted within the interior and exterior of the valve.Debris within the valve may interfere with the adjustment mechanism resulting in difficulty adjusting the valve, may hold pressure-flow controlling mechanisms open resulting in fluid reflux and affecting the flow of fluid through the valve.Instructions for use (ifu) that accompany the device caution that ¿shunt obstruction may occur in any of the components of the shunt system.The system may become occluded internally due to tissue fragments, blood clots, tumor cell aggregates, bacterial colonization, or other debris.¿ all valves are 100% tested at the time of manufacture.If information is provided in the future, a supplemental report will be issued.
Event or Problem Description
It was reported the valve was blocked.The valve was explanted and the patient¿s status was noted as no injury.

• Brand Name: STRATA NSC VALVE, REGULAR
• Common Device Name: SHUNT, CENTRAL NERVOUS SYSTEM AND COMPONENTS
• Manufacturer (Section D): MEDTRONIC NEUROSURGERY; 125 cremona drive; goleta CA 93117
• MDR Report Key: 7087623
• Report Number: 2021898-2017-00632
• Device Sequence Number: 1450204
• Product Code: JXG
• UDI-Device Identifier: 00643169466111
• UDI-Public: 00643169466111
• Combination Product (Y/N): N
• Initial Reporter Country: TW
• PMA/510(K) Number: K033850
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2017
• Device Explanted Year: 2017
• Reporter Type: Manufacturer
• Report Source: foreign,health professional
• Initial Reporter Occupation: Health Professional
• Type of Report: Initial
• Report Date (Section B): 12/06/2017

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: 08/31/2021
• Device Model Number: 42365
• Device Catalogue Number: 42365
• Device Lot Number: E19959
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 11/27/2017
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 11/07/2017
• Initial Report FDA Received Date: 12/06/2017
• 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: Hospitalization; Required Intervention