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

Model Number	LF1837
Medical Device Problem Code	Difficult to Open or Close (2921)
Health Effect - Clinical Code	Insufficient Information (4580)
Date of Event	12/16/2025
Type of Reportable Event	Malfunction
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.
Event or Problem Description
According to the reporter, during a laparoscopic hysterectomy procedure, after cauterizing, the device did not unlock.It took the surgeon approximately five minutes to unlock the device.This resulted in additional time under anesthesia, a delay in treatment/therapy, and unexpected or prolonged care.
Event or Problem Description
According to the reporter during a laparoscopic hysterectomy procedure, after cauterizing, the ligasure device would not unlock.It took the surgeon approximately 5 minutes to get the ligasure device to unlock.There were an additional time under anesthesia, delay to treatment/therapy and unexpected or prolonged care.
Additional Manufacturer Narrative
Additional information: b5, d9, g3, h3, h6 h3 evaluation summary: medtronic conducted an investigation based upon all information received.The device was available for evaluation.The evaluation found no potentially contributing factors, and the sample met all related specifications.It was reported that the jaws were difficult to open.The reported issue could not be confirmed.The most likely cause could not be identified because no related problem was detected with the device.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: 24003326
• Report Number: 1717344-2026-00030
• Device Sequence Number: 10184922
• Product Code: GEI
• UDI-Device Identifier: 10884521195219
• UDI-Public: (01)10884521195219(17)300717(10)51990093X(20)02
• Combination Product (Y/N): N
• Initial Reporter Country: CA
• PMA/510(K) Number: K162941
• 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): 03/13/2026

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: LF1837
• Device Catalogue Number: LF1837
• Device Lot Number: 51990093X
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 12/18/2025
• Supplement Date Received by Manufacturer: 03/09/2026
• Initial Report FDA Received Date: 01/08/2026
• Supplement Report FDA Received Date: 03/13/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 07/18/2025
• 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