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U.S. Department of Health and Human Services

MAUDE Adverse Event Report: CYBERONICS INC PULSE GEN MODEL 102 GENERATOR

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CYBERONICS INC PULSE GEN MODEL 102 GENERATOR Back to Search Results
Model Number 102
Event Date 10/18/2011
Event Type  Injury  
Event Description

Further information received from the physician indicates that at the visit on (b)(6) 2011, the patient had "normal settings" and was at 0. 5 ma. Per physician, the increased seizures were back to pre-vns baseline levels and could be due to a "combination of factors". Patient has intractable epilepsy. The patient had an increase before vns placement and the vns was at low settings. Patient also reports stress and sleep changes which may have contributed to the seizures. Per physician, the patient did not report suicidal thoughts at the last visit, but did report anger and mood changes. The relationship of the level of suicidal thoughts to pre-vns baseline levels is unknown. No known patient manipulation or trauma occurred that is believed to have caused or contributed to the pain. The cognitive changes have multifactorial causes, per physician. The patient is frustrated that the seizures are not controlled and the primary care physician has made medication changes. No known causal or contributory programming changes, medication changes, or other external factors preceded the onset of the events. The patient has been treated for depression in the past by a different physician. The patient's settings were adjusted on (b)(6) 2011 visit and is scheduled for follow-up with physician. The patient was not diagnosed with arrhythmia and no cardiac testing was performed, but the patient reported that his "heart hurt" and felt palpitations. The patient has no history of cardiac issues. Physician does not believe the possible arrhythmia is related to vns, but is unable to rule it out. The event occurred following an increase in depression and seizures.

 
Event Description

It was reported by the patient's mother that things have gone "downhill" since the patient saw the physician on (b)(6) 2011 to have titration performed. She stated that her son was implanted a couple of months ago and has been set to a very low output current since implant. On (b)(6) 2011, the physician changed the output current to 1 ma (which was a large jump according to the patient's mother). She stated that her son expressed to the physician how much pain he was in and said he didn't want to go that high yet, but the physician told him that she could not turn it down. The patient's mother thinks that the physician might have turned his output current back down to 0. 75 ma or 0. 5 ma but isn't sure. No history is currently available to confirm the patient's settings. Since the visit, the patient has been in intense pain during stimulation. In addition, the mother reported that the patient also has a flutter in his heart and his heart rate changes with the stimulation. Patient has experienced an increase in seizures that is above pre-vns baseline levels and the patient has become very angry since the setting change. The patient's mother went on to say that the patient has become so angry that he has had suicidal thoughts. She clarified that this was only once and that they were monitoring him closely and he seems to not have considered that anymore. The patient had an appointment on (b)(6) 2011 and has reportedly been doing very well since that appointment when the settings were changed. Attempts for further information have been unsuccessful to date.

 
Manufacturer Narrative

 
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Brand NamePULSE GEN MODEL 102
Type of DeviceGENERATOR
Manufacturer (Section D)
CYBERONICS INC
100 cyberonics blvd
houston TX 77058 770
Manufacturer (Section G)
CYBERONICS INC
100 cyberonics blvd
suite 600
houston TX 77058
Manufacturer Contact
nydia grimes
100 cyberonics blvd
suite 600
houston , TX 77058
2812287200
MDR Report Key2341562
Report Number1644487-2011-02781
Device Sequence Number1
Product CodeLYJ
Report Source Manufacturer
Source Type Health Professional,Company Representative
Reporter Occupation
Type of Report Initial,Followup
Report Date 10/19/2011
1 Device Was Involved in the Event
1 Patient Was Involved in the Event
Date FDA Received11/18/2011
Is This An Adverse Event Report? Yes
Is This A Product Problem Report? No
Device Operator LAY USER/PATIENT
Device EXPIRATION Date07/31/2012
Device MODEL Number102
Device LOT Number2754
Was Device Available For Evaluation? No
Is The Reporter A Health Professional? Yes
Event Location Other
Date Manufacturer Received06/07/2012
Was Device Evaluated By Manufacturer? Device Not Returned To Manufacturer
Date Device Manufactured08/01/2010
Is The Device Single Use? Yes
Is this a Reprocessed and Reused Single-Use Device? No
Type of Device Usage Initial

Patient TREATMENT DATA
Date Received: 11/18/2011 Patient Sequence Number: 1
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