MAUDE Adverse Event Report: BIOTRONIK SE & CO. KG DEXTRUS 45 MODEL 4135 US 644135-102; PACING LEAD

Model Number	358744
Medical Device Problem Codes	Adverse Event Without Identified Device or Use Problem (2993); Insufficient Device Problem Information (3190)
Health Effect - Clinical Codes	Unspecified Infection (1930); No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	06/16/2022
Type of Reportable Event	Serious Injury
Event or Problem Description
Boston scientific provided the following information: lead was explanted due to non-specific product performance issue.No adverse patient events were reported.Should additional information be received, this file will be updated.
Additional Manufacturer Narrative
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.
Additional Manufacturer Narrative
Update (b)(6) 2026: patients entire system was explanted due to infection back in 2022.An infection was observed following the implantation of this biotronik device.The sterilization process was investigated.The validated process assures that all sterilization parameters, such as gas concentration, temperature, humidity, etc., are within its specified ranges for each distributed device.Additionally an analysis of validated microbiological indicators is performed after every sterilization procedure as evidence of successful completion of the sterilization process.Review of the biotronik complaint database did not reveal any changes regarding the trend for this type of incident.In summary, the infection was not device related.
Event or Problem Description
Boston scientific provided the following information: lead was explanted due to non-specific product performance issue.No adverse patient events were reported.Should additional information be received, this file will be updated.

• Brand Name: DEXTRUS 45 MODEL 4135 US 644135-102
• Common Device Name: PACING LEAD
• Manufacturer (Section D): BIOTRONIK SE & CO. KG; woermannkehre 1; berlin 12359 ; GM 12359
• Manufacturer Contact: 6024 jean road; lake oswego, OR 97035 ; 8772459800
• MDR Report Key: 14837334
• Report Number: 1028232-2022-03307
• Device Sequence Number: 4743828
• Product Code: NVN
• UDI-Device Identifier: 4035479143206
• UDI-Public: (01)4035479143206(17)170630
• Combination Product (Y/N): N
• Initial Reporter Country: GM
• PMA/510(K) Number: P950037
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2015
• Device Explanted Year: 2022
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Company Representative
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 05/26/2026

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 Expiration Date: 06/30/2017
• Device Model Number: 358744
• Device Catalogue Number: 358744
• 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: 06/27/2022
• Supplement Date Received by Manufacturer: 05/26/2026
• Initial Report FDA Received Date: 06/27/2022
• Supplement Report FDA Received Date: 05/26/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 06/09/2015
• 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: Unknown