MAUDE Adverse Event Report: MEDTRONIC SINGAPORE OPERATIONS LINQ II¿ INSERTABLE CARDIAC MONITOR; RECORDER, EVENT, IMPLANTABLE CARDIAC, (WITH ARRHYTHMIA DETECTION)

Model Number	LNQ22
Medical Device Problem Codes	Reset Problem (3019); Data Problem (3196)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	01/01/2025
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that an implantable cardiac monitor underwent a hard electrical reset, which resulted in corrupted device counters and a reset of the device clock.The patient had a cardioversion around this time.The patient was in the clinic, and the healthcare provider installed the ramware and corrected the device date and time.The device was expected to function as intended following reprogramming.No patient complications have been reported as a result of this event.
Additional Manufacturer Narrative
B3: date is approximate.Month and year are confirmed valid.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
Product event summary: the device was not returned for analysis, however, performance data collected from the device was received and analyzed.Analysis of the device memory indicated a full electrical reset occurred.Analysis of the device memory indicated that the device clock was incorrect.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
Correction: updated coding in h6.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: LINQ II¿ INSERTABLE CARDIAC MONITOR
• Common Device Name: RECORDER, EVENT, IMPLANTABLE CARDIAC, (WITH ARRHYTHMIA DETECTION)
• Manufacturer (Section D): MEDTRONIC SINGAPORE OPERATIONS; 49 changi south avenue 2; nasaco tech centre; singapore 48605 6; SN 486056
• Manufacturer (Section G): MEDTRONIC SINGAPORE OPERATIONS; 49 changi south avenue 2; nasaco tech centre; singapore 48605 6; SN 486056
• Manufacturer Contact: gerard torenvliet ; 8200 coral sea st ne; mounds view, MN 55112-4391 ; 7635269277
• MDR Report Key: 23666869
• Report Number: 3008973940-2025-09009
• Device Sequence Number: 10431324
• Product Code: MXD
• UDI-Device Identifier: 00763000060374
• UDI-Public: (01)00763000060374(17)220408
• Combination Product (Y/N): N
• Initial Reporter State: VA
• Initial Reporter Country: US
• PMA/510(K) Number: K200795
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2020
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup,Followup
• Report Date (Section B): 02/06/2026

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: Lay User/Patient
• Device Expiration Date: 04/08/2022
• Device Model Number: LNQ22
• Device Catalogue Number: LNQ22
• 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: 11/20/2025
• Supplement Date Received by Manufacturer: 12/02/2025; 02/06/2026
• Initial Report FDA Received Date: 11/27/2025
• Supplement Report FDA Received Date: 12/12/2025; 02/06/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 10/08/2020
• 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: 79 YR
• Patient Sex: Male
• Patient Weight: 59 KG