MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION ENDOTAK RELIANCE G; IMPLANTABLE CARDIOVERTER DEFIBRILLATOR (NON-CRT)

Model Number	0262
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Codes	Twiddlers Syndrome (2114); No Code Available (3191); Twiddlers Syndrome (4563)
Date of Event	10/21/2020
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
If information is provided in the future, a supplemental report will be issued.(b)(4).
Event or Problem Description
It was reported that this right ventricular (rv) lead was part of a system extraction due to twiddler's syndrome.No additional adverse patient effects were reported.
Additional Manufacturer Narrative
Upon receipt at our post market quality assurance laboratory, a thorough evaluation of the lead was performed.The twiddler's syndrome allegation was confirmed based on slightly twisted lead body just distal to terminal boot.
Event or Problem Description
It was reported that this right ventricular (rv) lead was part of a system extraction due to twiddler's syndrome.No additional adverse patient effects were reported.

• Brand Name: ENDOTAK RELIANCE G
• Common Device Name: IMPLANTABLE CARDIOVERTER DEFIBRILLATOR (NON-CRT)
• Manufacturer (Section D): BOSTON SCIENTIFIC CORPORATION; 4100 hamline avenue north; saint paul MN 55112
• MDR Report Key: 11104172
• Report Number: 2124215-2020-26374
• Device Sequence Number: 4050860
• Product Code: LWS
• UDI-Device Identifier: 00802526601828
• UDI-Public: 00802526601828
• Combination Product (Y/N): N
• Initial Reporter State: OH
• Initial Reporter Country: US
• PMA/510(K) Number: P910073/S077
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2020
• Device Explanted Year: 2020
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: company representative,health
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 05/04/2021

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Operator of Device: Lay User/Patient
• Device Expiration Date: 07/21/2022
• Device Model Number: 0262
• Device Catalogue Number: 0262
• Device Lot Number: 100268
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 11/23/2020
• Initial Date Received by Manufacturer: 10/21/2020
• Supplement Date Received by Manufacturer: 02/11/2021
• Initial Report FDA Received Date: 01/02/2021
• Supplement Report FDA Received Date: 05/04/2021
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Hospitalization; Required Intervention
• Patient Age: 82 YR