MAUDE Adverse Event Report: HEARTSINE TECHNOLOGIES LTD PAD-PAK-01; COMBINED, SINGLE USE, BATTERY AND ELECTRODE UNIT

Model Number	PAD-PAK-01
Medical Device Problem Code	Failure to Power Up (1476)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	01/26/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Heartsine has requested the return of the device for investigation.Upon completion, the conclusions will be submitted in a follow-up report.
Event or Problem Description
The customer contacted heartsine to report that their pad-pak did not power on an associated sam pad device.In this state the device may not be able to deliver defibrillation therapy if it was needed.There was no patient involvement reported with the event.
Additional Manufacturer Narrative
Heartsine has made multiple attempts to contact the customer regarding the status of their device, but no response has been received from the customer.The device was not returned to heartsine for investigation.No additional information will be forthcoming at this time.The cause of the reported issue could not be determined.If the device is returned to the manufacturer the investigation will be reopened.
Event or Problem Description
The customer contacted heartsine to report that their pad-pak did not power on an associated sam pad device.In this state the device may not be able to deliver defibrillation therapy if it was needed.There was no patient involvement reported with the event.

• Brand Name: PAD-PAK-01
• Common Device Name: COMBINED, SINGLE USE, BATTERY AND ELECTRODE UNIT
• Manufacturer (Section D): HEARTSINE TECHNOLOGIES LTD; 207 airport road west; belfast BT3 9 ED; EI BT3 9ED
• Manufacturer (Section G): HEARTSINE TECHNOLOGIES LTD; 207 airport road west; belfast BT3 9 ED; EI BT3 9ED
• Manufacturer Contact: brian blakeslee ; 207 airport road west; belfast BT3 9-ED ; EI BT3 9ED ; 4258674577
• MDR Report Key: 24414116
• Report Number: 3004123209-2026-00314
• Device Sequence Number: 20302987
• Product Code: MKJ
• UDI-Device Identifier: 05060167120466
• UDI-Public: 05060167120466
• Combination Product (Y/N): N
• Initial Reporter State: OR
• Initial Reporter Country: US
• PMA/510(K) Number: P160008
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Consumer
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 04/14/2026

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: Lay User/Patient
• Device Model Number: PAD-PAK-01
• Device Catalogue Number: PAD-PAK-01
• Device Lot Number: H1358
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 01/26/2026
• Supplement Date Received by Manufacturer: 03/20/2026
• Initial Report FDA Received Date: 02/23/2026
• Supplement Report FDA Received Date: 04/14/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 10/31/2024
• 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 Sex: Unknown