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

Model Number 92856

Device Problem Appropriate Term/Code Not Available (3191)

Patient Problem No Known Impact Or Consequence To Patient (2692)

Event Date 08/23/2019

Event Type  malfunction  

Manufacturer Narrative

If information is provided in the future, a supplemental report will be issued.

Event Description

It was reported the valve was clogged.

Manufacturer Narrative

The returned valve had a yellow tint upon arrival.The valve was returned at a performance level between 0.5 and 1.0.Water was able to flow through the valve.Therefore, the nature of the complaint could not be replicated by laboratory personnel.The valve performance level could not be adjusted by laboratory personnel before or after flushing the valve.Therefore, the valve could not be tested for patency, leak, siphon, reflux, pressure/flow and preimplantation testing.Proteinaceous debris and crystalline debris were observed on the interior of the valve.The instructions for use cautions, ¿shunt ob struction 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.¿ and ¿care must be taken to ensure that particulate con taminates 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¿¿ tears were observed on the distal occluder and the casing.It is unknown how or when this damage occurred.The instructions for use 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¿¿ all valves are 100% tested at the time of manufacture.Medtronic is submitting this report to comply with fda reporting regulations under 21 cfr parts 4 and 803.This report is based upon information obtained by medtronic, which the company may not have been able to fully investigate or verify prior to the date the report was required by the fda.Medtronic has made reasonable efforts to obtain more complete information and has provided as much relevant information as is available to the company as of the submission date of this report.This report does not constitute an admission or a conclusion by fda, medtronic, or its employees that the device, medtronic, or its employee caused or contributed to the event described in the report.In particular, this report does not constitute an admission by anyone that the product described in this report has any ¿defects¿ or has ¿malfunctioned¿.These words are included in the fda 3500a form and are fixed items for selection created by the fda to categorize the type of event solely for the purpose of regulatory reporting.Medtronic objects to the use of these words and others like them because of the lack of definition and the connotations implied by these terms.This statement should be included with any information or report disclosed to the public under the freedom of information act.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.A good faith effort will be made to obtain the applicable information relevant to the report.If information is provided in the future, a supplemental report will be issued.

• Brand Name: STRATA II VALVE, SMALL, WITH BIOGLIDE
• Type of Device: SHUNT, CENTRAL NERVOUS SYSTEM AND COMPONENTS
• Manufacturer (Section D): MEDTRONIC NEUROSURGERY; 125 cremona drive; goleta CA 93117
• MDR Report Key: 8930835
• MDR Text Key: 156948195
• Report Number: 2021898-2019-00322
• Device Sequence Number: 1
• Product Code: JXG
• Combination Product (y/n): N
• PMA/PMN Number: K042465
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: foreign,health professional
• Type of Report: Initial,Followup
• Report Date: 10/18/2019

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 08/26/2019
• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Device Operator: Health Professional
• Device Model Number: 92856
• Device Catalogue Number: 92856
• Device Lot Number: UNKNOWN
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 08/27/2019
• Date Manufacturer Received: 09/27/2019
• Is This a Reprocessed and Reused Single-Use Device?: No
• Patient Sequence Number: 1