FDA Adverse Event Injury Summary report: N

STRATA NSC VALVE, REGULAR, W/ BIOGLIDE

MDR report key: 2030900 · Received March 21, 2011

Report

Report Number
2021898-2011-00060
Event Type
Injury
Date Received
March 21, 2011
Report Date
February 26, 2011
Manufacturer
MEDTRONIC NEUROSURGERY
Product Code
JXG
PMA / PMN Number
K033850
Adverse Event
Yes
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
JA
Reporter Occupation
PHYSICIAN

Narratives

Additional Manufacturer Narrative · 1

(B)(4). THE VALVE WAS PATENT AND PASSED REFLUX TESTING. THE DEVICE DID NOT MEET THE REQUIREMENTS FOR LEAK TESTING DUE TO A TEAR IN THE SILICONE DOME. IT IS UNK WHEN OR HOW THIS DAMAGE OCCURRED. THE INSTRUCTIONS FOR USE THAT ACCOMPANIES THE DEVICE CAUTIONS THAT CARE SHOULD BE TAKEN IN HANDLING THE VALVES AS SILICONE HAS A LOW CUT AND TEAR RESISTANCE. IT ALSO WAS OUT OF SPECIFICATION FOR PRESSURE-FLOW TESTING AT PERFORMANCE LEVEL 2.5, 46.8 ML/HR AT 0 CM HYDROSTATIC PRESSURE. ALL OTHER PRESSURE-FLOW AND PREIMPLANTATION TESTING WERE WITHIN SPECIFICATIONS. A DISSECTION OF THE PRODUCT FOUND NO ANOMALIES. THE CONDITIONS OF THE COMPLAINT COULD NOT BE DUPLICATED BY LABORATORY PERSONNEL. A REVIEW OF THE MFG RECORDS SHOWED NO ANOMALIES. NO IMPACT TO PT REPORTED. ALL OF OUR VALVES ARE 100% TESTED AT THE TIME OF MANUFACTURE.

Description of Event or Problem · 1

IT WAS REPORTED TO MEDTRONIC NEUROSURGERY THAT A PT'S SYMPTOMS DID NOT IMPROVE AFTER VALVE IMPLANTATION. ACCORDING TO THE REPORT, A CONTRAST STUDY WAS PERFORMED AND THE VALVE'S PERFORMANCE LEVEL WAS CHANGED TO 0.5, HOWEVER, THERE WAS NO IMPROVEMENT IN THE PT'S SYMPTOMS. THE PT'S CONDITION IMPROVED AFTER REVISION SURGERY.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 STRATA NSC VALVE, REGULAR, W/ BIOGLIDE JXG MEDTRONIC NEUROSURGERY NA C66478

Patients

Seq Age Sex Outcome Treatment
1 UNK Hospitalization| R