FDA Adverse Event Malfunction Summary report: N

PROGRAMMING SOFTWARE

MDR report key: 9497442 · Received December 19, 2019

Report

Report Number
1644487-2019-02487
Event Type
Malfunction
Date Received
December 19, 2019
Date of Event
November 27, 2019
Report Date
February 28, 2020
Manufacturer
LIVANOVA USA, INC.
Product Code
LYJ
UDI-DI
05425025750443
PMA / PMN Number
P970003
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
MI, US
Reporter Occupation
PHYSICIAN

Narratives

Additional Manufacturer Narrative · 1

VOLUNTARY MEDICAL DEVICE CORRECTION (REMEDIAL ACTION) WAS INITIATED BY THE MANUFACTURER ON 2/4/2020, AND THE PHYSICIAN WAS PROVIDED A NOTIFICATION LETTER WITH RECOMMENDED ACTIONS. INTERNAL REFERENCE NUMBER: (B)(4).

Description of Event or Problem · 1

FOLLOWING A PATIENTS VNS SURGERY, THE PATIENTS DEVICE WAS INTERROGATED AND A 'CURRENT NOT DELIVERED' ERROR MESSAGE WAS RECEIVED. SYSTEM DIAGNOSTICS WERE PERFORMED AND SHOWED NO ANOMALIES. THE PATIENTS SETTINGS WERE ADJUSTED AND THE WARNING MESSAGE WAS RESOLVED. INTERNAL TESTING AND DATA REVIEW IDENTIFIED THAT FALSE LOW OUTPUT CURRENT MESSAGES CAN OCCUR WHEN M3000 (B)(4) SOFTWARE PROGRAMS A M103-106 GENERATOR AFTER A SPECIFIC PROGRAMMING SEQUENCE OCCURS. WHEN M3000 (B)(4) TABLETS INITIATE A PROGRAMMING SESSION WITH A M103-106 GENERATOR, WHERE ITS OUTPUT CURRENT IS PROGRAMMED OFF (0 MA), AND THEN THE OUTPUT CURRENT IS PROGRAMMED BACK ON TO >0 MA, A LOW OUTPUT CURRENT MESSAGE WOULD BE SEEN WHEN AN IN-SESSION INTERROGATION IS PERFORMED. THIS WOULD PERSIST UPON MULTIPLE IN-SESSION INTERROGATIONS AND IF DIAGNOSTICS WEREN'T PERFORMED DURING THE SESSION, SHOW ON THE SESSION REPORT. RUNNING SYSTEM DIAGNOSTICS OR ENDING AND RESTARTING THE SESSION WILL CONFIRM FUNCTIONALITY OF THE DEVICE, AND RESOLVE THE ¿OUTPUT CURRENT LOW¿ ERROR MESSAGE.. THE LOW OUTPUT CURRENT MESSAGES IN THESE CASES ARE FALSE AND DO NOT IMPACT GENERATOR FUNCTION. BASED ON THE REPORTED PROGRAMMING SEQUENCE THAT OCCURRED THAT DAY, IT WAS CONSISTENT WITH THE FALSE LOW OUTPUT CURRENT MECHANISM DESCRIBED ABOVE. THEREFORE, THE PATIENT'S GENERATOR IS EXPECTED TO BE ABLE TO DELIVER THERAPY AS PROGRAMMED. NO FURTHER RELEVANT INFORMATION HAS BEEN RECEIVED TO DATE.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1293386 PROGRAMMING SOFTWARE PROGRAMMING SOFTWARE LYJ LIVANOVA USA, INC. 3000 05425025750443

Patients

Seq Age Sex Outcome Treatment
1 45 YR