FDA Adverse Event Malfunction Summary report: N

PULSE GEN MODEL 105

MDR report key: 4192841 · Received October 22, 2014

Report

Report Number
1644487-2014-02779
Event Type
Malfunction
Date Received
October 22, 2014
Date of Event
September 15, 2014
Report Date
September 29, 2014
Manufacturer
CYBERONICS, INC.
Product Code
LYJ
PMA / PMN Number
P970003
Removal / Correction Number
NA
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
IN, US
Reporter Occupation
PATIENT FAMILY MEMBER OR FRIEND

Narratives

Description of Event or Problem · 1

IT WAS REPORTED THAT THE VNS PATIENT HAD BEEN EXPERIENCING AN INCREASE IN SEIZURES WHICH WAS BELIEVED TO BE DUE TO AN ISSUE WITH THE PATIENT¿S DEVICE. THE PATIENT¿S DEVICE WAS LAST TESTED SIX MONTHS AGO WHEN THE DEVICE SHOWED NORMAL DEVICE FUNCTION. THE PATIENT PREVIOUSLY WAS ABLE TO PERCEIVE STIMULATION ON-TIMES BUT WAS NO LONGER ABLE TO PERCEIVE NORMAL MODE STIMULATION. THE PATIENT WAS ABLE TO FEEL MAGNET MODE STIMULATION FROM THE DEVICE. IT WAS NOTED THAT THE PATIENT HAD AN ULTRASOUND PERFORMED WHERE PRESSURE WAS APPLIED ONTO THE GENERATOR SITE. THE PATIENT¿S CAREGIVER BELIEVED THE DEVICE ISSUES BEGAN FOLLOWING THE ULTRASOUND. ATTEMPTS FOR ADDITIONAL RELEVANT INFORMATION HAVE BEEN UNSUCCESSFUL TO DATE.

Description of Event or Problem · 1

IT WAS REPORTED THAT THE PATIENT'S SEIZURES WERE NON-EPILEPTIC AND WERE PSYCHOGENIC. THE PATIENT HAD A TERRIBLE URINARY TRACT INFECTION AND WAS NOT TAKING MEDICATIONS. THERE WERE NO MEDICATION CHANGES OR EXTERNAL FACTORS THAT WOULD HAVE CAUSED OR CONTRIBUTED TO THE INCREASE IN SEIZURES. THE PHYSICIAN INCREASED DEVICE OUTPUT CURRENT TO 2.5MA. THE PHYSICIAN HAS NOT HEARD FROM THE PATIENT SINCE INCREASING DEVICE OUTPUT CURRENT.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
673136 PULSE GEN MODEL 105 GENERATOR LYJ CYBERONICS, INC. 105 202460

Patients

Seq Age Sex Outcome Treatment
1 20 YR