MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION SQ-RX PULSE GENERATOR; IMPLANTABLE CARDIOVERTER DEFIBRILLATOR (NON-CRT)

Model Number	1010
Medical Device Problem Code	Connection Problem (2900)
Health Effect - Clinical Code	Insufficient Information (4580)
Date of Event	03/27/2019
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The returned device was thoroughly inspected and analyzed.Visual inspection identified no anomalies.The device was able to be interrogated and a memory download was performed successfully.The device was then exposed to simulated heart load conditions, and the defibrillation and sensing functions were tested.The device operated appropriately, according to its performance specifications with no out of range measurements or interruptions in therapy output.Analysis did not identify any device characteristics that would have caused or contributed to the reported clinical observations.Representatives from our quality assurance, manufacturing, and design engineering groups are actively investigating this behavior.Our ongoing investigation efforts are currently focused on understanding the root cause to mitigate the potential for setscrew issues when disconnecting the electrode from these s-icds.Information gained through these efforts will be utilized to implement appropriate preventive action(s), as necessary.
Event or Problem Description
It was reported that the ejection fraction of this patient improved significatively.As result, the patient elected to remove the subcutaneous implantable cardioverter defibrillator (s-icd) system.However, during the explant procedure this s-icd setscrew was not retracting.The treating physician attributed the difficulties to the wrench and decided to cap the lead to remove the device.The device was returned for analysis.No adverse patient effects were reported.

• Brand Name: SQ-RX PULSE GENERATOR
• Common Device Name: IMPLANTABLE CARDIOVERTER DEFIBRILLATOR (NON-CRT)
• Manufacturer (Section D): BOSTON SCIENTIFIC CORPORATION; 4100 hamline avenue north; saint paul MN 55112
• Manufacturer (Section G): BOSTON SCIENTIFIC CORPORATION; 229 avenida fabricante; san clemente CA 92672
• Manufacturer Contact: timothy degroot ; 4100 hamline avenue north; saint paul, MN 55112 ; 6515826168
• MDR Report Key: 16512611
• Report Number: 2124215-2023-11118
• Device Sequence Number: 6239700
• Product Code: LWS
• UDI-Device Identifier: 00802526521300
• UDI-Public: 00802526521300
• Combination Product (Y/N): N
• Initial Reporter State: MA
• Initial Reporter Country: US
• PMA/510(K) Number: P110042/S000
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2013
• Device Explanted Year: 2019
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Company Representative
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial
• Report Date (Section B): 03/09/2023

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: Other
• Device Expiration Date: 07/24/2014
• Device Model Number: 1010
• Device Catalogue Number: 1010
• Device Lot Number: A005729
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 04/22/2019
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 02/13/2023
• Initial Report FDA Received Date: 03/09/2023
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• 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: 72 YR
• Patient Sex: Male