MAUDE Adverse Event Report: COVIDIEN LIGASURE; ELECTROSURGICAL, CUTTING & COAGULATION & ACCESSORIES

Model Number	LF1944
Medical Device Problem Codes	Device Alarm System (1012); Energy Output Problem (1431)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	11/06/2025
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that during a laparoscopic sleeve gastrectomy (lsg) procedure, the device had inadequate or partial vessel sealing with regrasp alert, with evidence of energy delivery and end tones heard.Minimal bleeding occurred after cutting.The device's jaw was cleaned after every seal.Another ligasure device was used successfully with the same generator.There was no patient injury.
Additional Manufacturer Narrative
Medtronic submits this report to comply with fda regulations 21 cfr parts 4 and 803.Medtronic has made reasonable efforts to provide as much relevant information as is available to the company as of the submission date of this report.This report does not constitute an admission or a conclusion by fda, medtronic, or its employees that the device, medtronic, or its employee caused or contributed to the event described in the report.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.Medtronic will submit a supplemental report if additional relevant information becomes known.
Additional Manufacturer Narrative
Additional information: g3, h3, h6.H3 evaluation summary: medtronic conducted an investigation based upon all information received.The device was available for evaluation.Functional testing found that the product analysis found the device produced an instant regrasp alarm when activation attempts were made.The device was disassembled and resistance testing was performed.It was identified that there was a discontinuity from the gray wire crimping to the jaw b.It was reported that there was evidence of energy delivery and end tones heard.The reported issue was confirmed.The most likely cause could not be established from the information available.It was also reported that the device had inadequate or partial vessel sealing.The reported issue could not be confirmed.The most likely cause could not be established from the information available.The manufacturing records for each device are thoroughly reviewed prior to release to ensure that it meets all medtronic quality specifications.A secondary review of the device history records found no potentially contributing factors.Medtronic submits this report to comply with fda regulations 21 cfr parts 4 and 803.Medtronic has made reasonable efforts to provide as much relevant information as is available to the company as of the submission date of this report.This report does not constitute an admission or a conclusion by fda, medtronic, or its employees that the device, medtronic, or its employee caused or contributed to the event described in the report.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.Medtronic will submit a supplemental report if additional relevant information becomes known.

• Brand Name: LIGASURE
• Common Device Name: ELECTROSURGICAL, CUTTING & COAGULATION & ACCESSORIES
• Manufacturer (Section D): COVIDIEN; 6044 longbow court; boulder CO 80301 3299
• Manufacturer (Section G): COVIDIEN; 6044 longbow court; boulder CO 80301 3299
• Manufacturer Contact: mike bocchino ; 8200 coral sea st ne; mounds view, MN 55112-4391 ; 8006464633
• MDR Report Key: 23691584
• Report Number: 1717344-2025-01543
• Device Sequence Number: 9082546
• Product Code: GEI
• UDI-Device Identifier: 10884521705920
• UDI-Public: (01)10884521705920(17)290505(10)41220381X
• Combination Product (Y/N): N
• Initial Reporter Country: TU
• PMA/510(K) Number: K170869
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,Company Representative
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 02/11/2026

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: Health Professional
• Device Model Number: LF1944
• Device Catalogue Number: LF1944
• Device Lot Number: 41220381X
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 11/24/2025
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 11/06/2025
• Supplement Date Received by Manufacturer: 02/10/2026
• Initial Report FDA Received Date: 12/02/2025
• Supplement Report FDA Received Date: 02/11/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• 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 Sex: Unknown