MAUDE Adverse Event Report: MEDTRONIC NEUROSURGERY STRATA II SHUNT ASSEMBLY, REGULAR, WITH BIOGLIDE; SHUNT, CENTRAL NERVOUS SYSTEM AND COMPONENTS

Model Number	27819
Medical Device Problem Code	Fluid/Blood Leak (1250)
Health Effect - Clinical Code	No Known Impact Or Consequence To Patient (2692)
Date of Event	01/16/2018
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The returned valve was patent.The valve met the requirements for valve flux, siphon, reflux, preimplantation, and pressure-flow testing.It did not meet the requirements for leak testing.The valve did not meet the requirements for leak testing due to tears/cuts on the casing of the delta chamber.Damage was also observed on the side of the delta chamber.It is unknown how or when this damage occurred.The ifu cautions, ¿improper use of instruments in the handling or implantation of shunt products may result in the cutting, slitting or crushing of components.Such damage may lead to loss of shunt integrity¿¿ particulates/debris were also observed in the valve.It is unknown how or when these particulates/debris entered the valve.The ifu cautions, ¿care must be taken to ensure that particulate contaminants are not introduced into shunt components during preimplantation testing or handling.Introduction of contaminants could result in improper performance of the shunt system.Particulate matter that enters the shunt system may result in shunt occlusion¿¿ 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 that during the patency check, the physician found that the delta chamber leaked.The valve was replaced and there was no injury to the patient.
Additional Manufacturer Narrative
Patient weight provided.If information is provided in the future, a supplemental report will be issued.

• Brand Name: STRATA II SHUNT ASSEMBLY, REGULAR, WITH BIOGLIDE
• Common Device Name: SHUNT, CENTRAL NERVOUS SYSTEM AND COMPONENTS
• Manufacturer (Section D): MEDTRONIC NEUROSURGERY; 125 cremona drive; goleta CA 93117
• MDR Report Key: 8167905
• Report Number: 2021898-2018-00564
• Device Sequence Number: 1652894
• Product Code: JXG
• UDI-Device Identifier: 00643169010499
• UDI-Public: 00643169010499
• Combination Product (Y/N): N
• Initial Reporter Country: CH
• PMA/510(K) Number: K042465
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: foreign,health professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 01/07/2019

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?: Yes
• Operator of Device: Health Professional
• Device Expiration Date: 07/31/2019
• Device Model Number: 27819
• Device Catalogue Number: 27819
• Device Lot Number: E16472
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 12/04/2018
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 11/18/2018
• Supplement Date Received by Manufacturer: 12/26/2018
• Initial Report FDA Received Date: 12/16/2018
• Supplement Report FDA Received Date: 01/07/2019
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Patient Age: 44 YR
• Patient Weight: 70