MAUDE Adverse Event Report: HOUSTON LEAD MODEL 304

Model Number	304-30
Medical Device Problem Code	Fracture (1260)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	06/05/2025
Type of Reportable Event	Malfunction
Event or Problem Description
The patient was seen to undergo surgery due to normal low battery.The lead impedance in pre-op was good at 1921 ohms.When the surgeon opened the generator pocket to unscrew the old generator, he noticed the lead was severed with the wires sticking out and the pin dangling.The surgeon stated he did not use a bovie or any other equipment that would have cut the lead.He decided to do a full revision, cutting the old lead leaving less than 2 cm behind.He implanted the new lead and connected it to the new generator.Upon interrogation, with the new lead and new generator, lead impedance was good at 1415 ohms.The suspect device was not made available for return.No other relevant information has been received to date.
Additional Manufacturer Narrative
Livanova usa, inc.Submits this report to comply with 21 cfr 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.

• Brand Name: LEAD MODEL 304
• Common Device Name: LEAD
• Manufacturer (Section D): HOUSTON; 100 cyberonics boulevard; houston TX 77058
• Manufacturer (Section G): HOUSTON; 100 cyberonics boulevard; suite 600; houston TX 77058
• Manufacturer Contact: cindy scott ; 100 cyberonics blvd; suite 600; houston, TX 77058 ; 2816672681
• MDR Report Key: 22346406
• Report Number: 1644487-2025-10296
• Device Sequence Number: 15596689
• Product Code: LYJ
• UDI-Device Identifier: 05425025750153
• UDI-Public: 05425025750153
• Combination Product (Y/N): N
• Initial Reporter State: AZ
• Initial Reporter Country: US
• PMA/510(K) Number: P970003
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2021
• Device Explanted Year: 2025
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional,Company Representative
• Initial Reporter Occupation: Pharmacist
• Type of Report: Initial
• Report Date (Section B): 06/27/2025

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Lay User/Patient
• Device Expiration Date: 02/09/2024
• Device Model Number: 304-30
• Device Lot Number: 205197
• 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: 06/05/2025
• Initial Report FDA Received Date: 06/27/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 02/12/2020
• 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
• Patient Age: 32 YR
• Patient Sex: Male