MAUDE Adverse Event Report: BIOTRONIK SE & CO. KG COROX OTW-S 75-BP; LV LEAD

Model Number	355148
Medical Device Problem Code	High Capture Threshold (3266)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	07/31/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Combination product: yes.
Event or Problem Description
This lv lead was deactivated due to chronically elevated thresholds causing premature icd eri.Lead remains implanted.No adverse patient events were reported.Should additional information become available, this file will be updated.
Additional Manufacturer Narrative
Combination product: yes.The device is currently not available for analysis.No conclusion can be drawn at this time.No additional information is available at the moment.The file is closed.The investigation will be re-opened should additional data become available.

• Brand Name: COROX OTW-S 75-BP
• Common Device Name: LV LEAD
• Manufacturer (Section D): BIOTRONIK SE & CO. KG; woermannkehre 1; berlin 12359
• Manufacturer Contact: 6024 jean road; lake oswego, OR 97035 ; 8772459800
• MDR Report Key: 22907224
• Report Number: 1028232-2025-04250
• Device Sequence Number: 15666376
• Product Code: OJX
• UDI-Device Identifier: 04035479094157
• UDI-Public: (01)04035479094157(17)170531
• Combination Product (Y/N): Y
• Initial Reporter State: TX
• Initial Reporter Country: US
• PMA/510(K) Number: P070008
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2017
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 08/28/2025

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
• Device Expiration Date: 05/31/2017
• Device Model Number: 355148
• Device Catalogue Number: 355148
• 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: 08/11/2025
• Supplement Date Received by Manufacturer: 08/28/2025
• Initial Report FDA Received Date: 08/27/2025
• Supplement Report FDA Received Date: 08/28/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 05/05/2015
• 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: Hospitalization
• Patient Sex: Male