MAUDE Adverse Event Report: BIOTRONIK SE & CO. KG DEXTRUS 60 MODEL 4137 US 644137-102; PACING LEAD

Model Number	358764
Medical Device Problem Codes	Ambient Noise Problem (2877); Impedance Problem (2950); High Capture Threshold (3266)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	05/06/2021
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The lead is currently not available for analysis.No conclusion can be drawn based on available information at the moment.The file is closed.The investigation will be re-opened should additional data become available.
Event or Problem Description
Boston scientific provided the following information: this rv lead was displaying noise with decreasing impedances and increasing thresholds.Lead was explanted and replaced.
Additional Manufacturer Narrative
Upon receipt, the lead under complaint was subjected to an extensive analysis.The performance of the lead was scrutinized, including a visual, mechanical and electrical inspection.The analysis showed that the insulation was found abraded through 21 cm distal to the is-1 connector pin, which is assumed to be the root cause of the clinical observations.Based on the characteristics, as well as the location of the damage, it is reasonable to assume that the lead was subject to excessive mechanical forces as the result of interaction with the generator housing.Prior to the analysis of the device, the quality documents accompanying the manufacturing process for this device were re-investigated.All production steps were performed accordingly, and in particular the final acceptance test proved the device functions to be as specified.In conclusion, the analysis did not reveal any sign of a material or manufacturing problem.

• Brand Name: DEXTRUS 60 MODEL 4137 US 644137-102
• Common Device Name: PACING 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: 15183298
• Report Number: 1028232-2022-03971
• Device Sequence Number: 12214494
• Product Code: NVN
• UDI-Device Identifier: 04035479143220
• UDI-Public: 04035479143220
• Combination Product (Y/N): N
• PMA/510(K) Number: P950037
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2009
• Device Explanted Year: 2022
• Reporter Type: Manufacturer
• Report Source: Company Representative
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 08/02/2022

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: 03/31/2011
• Device Model Number: 358764
• Device Catalogue Number: SEE MODEL NO.
• 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: 08/05/2022
• Supplement Date Received by Manufacturer: 11/24/2022
• Initial Report FDA Received Date: 08/08/2022
• Supplement Report FDA Received Date: 11/29/2022
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 03/30/2009
• 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