MAUDE Adverse Event Report: CYBERONICS - HOUSTON LEAD MODEL 304

Model Number 304-20

Device Problem High impedance (1291)

Patient Problem No Clinical Signs, Symptoms or Conditions (4582)

Event Date 04/12/2023

Event Type  malfunction  

Event Description

It was reported that the patient presented with high lead impedance and low output current when seen in clinic.It was also noted that the patient had just undergone left neck surgery, not vns related, and electrocautery was used during this procedure.No known surgical intervention has occurred to date.No other relevant information has been received to date.

Manufacturer Narrative

Livanova usa, inc.Submits this report to comply with 21 c.F.R.Part 803, the medical device reporting regulation, based on information that livanova has obtained, but may not have been able to investigate or verify prior to the date the report was required by the fda.This report does not constitute an admission, or a conclusion by fda or anyone else, that the device, livanova, or livanova employees caused or contributed to the event described in the report.In particular, this report does not constitute an admission by anyone that the product described in this report has any defects¿ or malfunctions¿.These words are incorporated into the fda 3500a medwatch form by the fda, and livanova objects to their use.

• Brand Name: LEAD MODEL 304
• Type of Device: LEAD
• Manufacturer (Section D): CYBERONICS - HOUSTON; 100 cyberonics blvd; houston TX 77058
• Manufacturer (Section G): CYBERONICS - HOUSTON; 100 cyberonics blvd; suite 600; houston TX 77058
• Manufacturer Contact: dana sprague ; 100 cyberonics blvd; suite 600; houston, TX 77058 ; 2816672681
• MDR Report Key: 16876105
• MDR Text Key: 314635062
• Report Number: 1644487-2023-00554
• Device Sequence Number: 1
• Product Code: MUZ
• UDI-Device Identifier: 05425025750139
• UDI-Public: 05425025750139
• Combination Product (y/n): N
• Reporter Country Code: US
• PMA/PMN Number: P970003
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: Study,Health Professional,Company Representative
• Reporter Occupation: Physician
• Type of Report: Initial
• Report Date: 05/05/2023

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 05/05/2023
• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Device Operator: Lay User/Patient
• Device Model Number: 304-20
• Device Lot Number: 6940
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Event Location: Other
• Date Manufacturer Received: 04/12/2023
• Was Device Evaluated by Manufacturer?: Device Not Returned to Manufacturer
• Date Device Manufactured: 08/30/2021
• Is the Device Single Use?: Yes
• Is This a Reprocessed and Reused Single-Use Device?: No
• Type of Device Usage: Initial
• Patient Sequence Number: 1
• Patient Age: 31 YR
• Patient Sex: Female