MAUDE Adverse Event Report: ST. JUDE MEDICAL, INC. ENSITE¿ X SURFACELINK MODULE; COMPUTER, DIAGNOSTIC, PROGRAMMABLE

Model Number	ENSITE-SRFLNK-01
Medical Device Problem Code	Impedance Problem (2950)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	03/27/2025
Type of Reportable Event	Malfunction
Event or Problem Description
During the procedure, a surface impedance error displayed shortly after validation and the procedure was cancelled.Additionally, there were purple signals on the ensite x system.The ensite x surfacelink was replaced, and the issue was resolved.Per abbott personnel, the af portion of the procedure was cancelled due to the surface link error.
Additional Manufacturer Narrative
Additional information: d9, g3, h2, h3, h6.One ensitex surfacelink (surflink) module was received for evaluation.Visual inspection revealed the exterior casing, labels, and electrical pins were free of physical damage.The cable insulation was intact, and the connector was free of physical damage.The module was recognized upon connecting to a test station.Evaluation testing revealed that the surflink primary active patch did not produce an expected signal.The voltage readings measured at the (right leg or neutral) electrocardiogram (ecg) electrical pin verified the electrical pin was non-functional.Internal inspection revealed that the connection to the primary pin of the belly patch was loose or not connected causing an electrical open (non-functionality).The device history record was reviewed to ensure that each manufacturing and inspection operation was performed.The review determined that no non-conformances associated with the reported event were identified.Based on the investigation and information provided to abbott, the reported event was attributed to an electrical open to the active belly patch pin from an undetermined event.

• Brand Name: ENSITE¿ X SURFACELINK MODULE
• Common Device Name: COMPUTER, DIAGNOSTIC, PROGRAMMABLE
• Manufacturer (Section D): ST. JUDE MEDICAL, INC.; one st. jude medical drive; st. paul MN 55117
• Manufacturer (Section G): ST. JUDE MEDICAL, INC.; one st. jude medical drive; st. paul MN 55117
• Manufacturer Contact: wendy mccarty ; 5050 nathan lane north; plymouth, MN 55442 ; 6517565400
• MDR Report Key: 21752895
• Report Number: 2184149-2025-00066
• Device Sequence Number: 15519744
• Product Code: DQK
• UDI-Device Identifier: 05415067033611
• UDI-Public: (01)05415067033611(10)918720001
• Combination Product (Y/N): N
• Initial Reporter State: AL
• Initial Reporter Country: US
• PMA/510(K) Number: K242016
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 04/21/2025

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
• Operator of Device: Health Professional
• Device Model Number: ENSITE-SRFLNK-01
• Device Catalogue Number: ENSITE-SRFLNK-01
• Device Lot Number: 918720001
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: Yes
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 03/27/2025
• Supplement Date Received by Manufacturer: 04/17/2025
• Initial Report FDA Received Date: 04/02/2025
• Supplement Report FDA Received Date: 04/21/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 07/11/2023
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Reuse
• Patient Sequence Number: 1
• Patient Sex: Unknown