Cyberonics, Inc: Model 104 VNS Therapy Demipulse Duo Generator Cyberonics, Inc. Houston, Texas, Model 104 Generators are provided in a sterile single use packages as part of the VNS Therapy System. Product labeling may be found at http://us.cyberonics.com/en/vns-therapy-for-epilepsy/healthcare-professionals/vns-therapy/manuals-page. Product Usage: The VNS Therapy System is indicated for use as an adjunctive therapy in reducing the frequency of seizures in adults and adolescents over 12 years of age with partial onset seizures, which are refractory to antiepileptic medications and for the adjunctive long-term treatment of chronic or recurrent depression for patients 18 years of age or older who are experiencing a major depressive episode and have not had an adequate response to four or more adequate antidepressant treatments.

Recall number

Z-0006-2012

Recalling firm

Cyberonics, Inc

Product

Model 104 VNS Therapy Demipulse Duo Generator Cyberonics, Inc. Houston, Texas, Model 104 Generators are provided in a sterile single use packages as part of the VNS Therapy System. Product labeling may be found at http://us.cyberonics.com/en/vns-therapy-for-epilepsy/healthcare-professionals/vns-therapy/manuals-page. Product Usage: The VNS Therapy System is indicated for use as an adjunctive therapy in reducing the frequency of seizures in adults and adolescents over 12 years of age with partial onset seizures, which are refractory to antiepileptic medications and for the adjunctive long-term treatment of chronic or recurrent depression for patients 18 years of age or older who are experiencing a major depressive episode and have not had an adequate response to four or more adequate antidepressant treatments.

Status

Terminated

Initiated

2011-05-06

Posted

2011-10-04

Terminated

2012-12-04

Reason

An investigation was initiated based on a report from the field in which an Intensive Follow-up Indicator (IFI) message was unexpectedly received by a medical professional when using Model 250 version 8.0 software to interrogate a patient's Model 103 Generator.

Root cause

Software design (manufacturing process)

Action

The firm, Cyberonics Inc., initiated containment actions on March 17, 2011 to prevent additional affected devices from being shipped. The firm initiated contact with implanting facilities in the United States on May 6, 2011 and international facilities and distributors on May 10, 2011 to remove product from the field that has not yet been implanted. Additionally, a "Field Safety Alert" letter was sent to all affected medical professionals. The letter identifies the affected product, the issue, and the action(s) to be taken by the physicians. Consignees are instructed to complete and return an attached Effectiveness Check Form. If assistance is needed physicians may contact Clinical Technical Support at 866-882-8804 or via email at clinicaltechnicalservices@cyberonics.com

Quantity

13 units

Distribution

Worldwide Distribution - USA (nationwide) including the states of AL, AZ, CA, CO, FL, GA, ID, IL, KS, OH, AR, MA, MI, MN, MO, NC, NH, NJ, NM, NY, OH, OR, PA, TN, TX, UT, WA, WI and WV. Products were also distributed to WASHINGTON DC and Puerto Rico and the countries of: Austria, Belgium, Finland, Germany, Ireland, Italy, Netherlands, Norway, Spain, Sweden, Switzerland, and United Kingdom.

Lot, serial or model codes

Serial #'s: 2220, 4966, 5035, 8816, 8830, 8878, 9476, 9478, 12422, 12533, 23423, 23460, and 25434.

510(k) numbers

not on file

PMA numbers

["P970003"]

Product code

LYJ

Firm FEI

1000117004

Firm city

Houston

Firm state

TX

Firm country

not on file

Cite as

FDA Medical Device Recalls (openFDA) (U.S. Food and Drug Administration (openFDA)), device-recall-0001-of-0001.json.zip, sha256 b87518bfe2e8, published 2026-09-28

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