MAUDE Adverse Event Report: LIVANOVA USA, INC. LEAD MODEL 304

Model Number	304-30
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Codes	Chest Pain (1776); Scar Tissue (2060); Neck Pain (2433); Appropriate Clinical Signs, Symptoms and Conditions Term/Code Not Available (4581)
Date of Event	06/18/2025
Type of Reportable Event	Serious Injury
Additional 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's 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.H3.Device evaluated by mfr? code 81 - device evaluation is not necessary because the reported event has been determined as not related to the functionality or delivery of therapy of the device.H6 health effect, clinical code: code e2402 utilized; appropriate term ¿migration¿ is not available.(note that although migration is an available medical device problem code, in this report¿s context, the migration does not reflect a problem with the functionality or delivery of therapy of the device.Therefore, a device problem code does not adequately capture the patient¿s adverse event.).
Event or Problem Description
It was reported that the patient was seen due to hypertrophic scarring and irritation/discomfort due to movement in the neck area.The patient has been scheduled for surgery to either undergo a removal or repositioning of their device.No known surgical intervention has occurred to date.No other relevant information has been received to date.
Event or Problem Description
Implant card received noting that the patient underwent a prophylactic battery replacement.It was noted that the surgeon removed the tie down suture which is the believed cause of the chest pain.There was no mention of any neck pain or injury and the surgery was for patient comfort only.Furthermore it was reported that the believed cause of the hypertrophic scarring, migration and discomfort is due to an anchor stitch which was removed when the new device was placed.

• Brand Name: LEAD MODEL 304
• Common Device Name: LEAD
• Manufacturer (Section D): LIVANOVA USA, INC.; 100 cyberonics boulevard; houston TX 77058
• Manufacturer (Section G): LIVANOVA USA, INC.; 100 cyberonics blvd; suite 600; houston TX 77058
• Manufacturer Contact: cindy scott ; 100 cyberonics blvd; suite 600; houston, TX 77058 ; 2816672681
• MDR Report Key: 22480351
• Report Number: 1644487-2025-10350
• Device Sequence Number: 20957016
• Product Code: LYJ
• UDI-Device Identifier: 05425025750153
• UDI-Public: 05425025750153
• Combination Product (Y/N): N
• Initial Reporter State: CA
• Initial Reporter Country: US
• PMA/510(K) Number: P970003
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2024
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 08/04/2025

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Operator of Device: Lay User/Patient
• Device Model Number: 304-30
• Device Lot Number: 206064
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 06/18/2025
• Supplement Date Received by Manufacturer: 07/10/2025
• Initial Report FDA Received Date: 07/11/2025
• Supplement Report FDA Received Date: 08/04/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 04/27/2023
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Other
• Patient Age: 32 YR
• Patient Sex: Female