MAUDE Adverse Event Report: HEARTWARE, INC. HEARTWARE VENTRICULAR ASSIST SYSTEM - BATTERY; VENTRICULAR (ASSISST) BYPASS

Model Number	1650
Medical Device Problem Codes	Battery Problem (2885); Connection Problem (2900)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	01/02/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Investigation of this event is pending and a supplemental report will be sent upon its completion.Medtronic submits this report to comply with fda regulations 21 cfr parts 4 and 803.Medtronic has made reasonable efforts to provide as much relevant information as is available to the company as of the submission date of this report.This report does not constitute an admission or a conclusion by fda, medtronic, or its employees that the device, medtronic, or its employee caused or contributed to the event described in the report.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.Medtronic will submit a supplemental report if additional relevant information becomes known.
Event or Problem Description
It was reported that review of logfile data revealed a power disconnect alarm.The controller remains in use.No patient complications have been reported as a result of this event.
Additional Manufacturer Narrative
A supplemental report is being submitted for corrections to sections b5, d1, d4, h4, and h6.Medtronic submits this report to comply with fda regulations 21 cfr parts 4 and 803.Medtronic has made reasonable efforts to provide as much relevant information as is available to the company as of the submission date of this report.This report does not constitute an admission or a conclusion by fda, medtronic, or its employees that the device, medtronic, or its employee caused or contributed to the event described in the report.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.Medtronic will submit a supplemental report if additional relevant information becomes known.
Event or Problem Description
The manufacturer received product performance data.Manufacturer's analysis subsequently revealed that the battery exhibited multiple power disconnect alarms.The battery remains in use.No patient complications have been reported as a result of this event.
Additional Manufacturer Narrative
A supplemental report is being submitted for device evaluation.Product event summary: the battery (b)(6) was not returned for evaluation.No performance allegations were made against the device; therefore, the purpose of this investigation is solely to address the finding identified during analysis of the controller log files.A review of the manufacturing documentation confirmed that the associated device met all requirements for release.Analysis of the controller log files revealed that three (3) power disconnect alarms involving (b)(6) were logged on (b)(6) 2025 at 22:05:43, on (b)(6) 2025 at 15:28:32, and on (b)(6) 2025 at 22:24:28.During the power disconnect alarms, a safety alert word (saw) value was recorded indicating that a cell pair depleted below a voltage threshold.When a cell pair depletes below the voltage threshold, the battery will not provide power until the voltage has recovered to a level above the threshold.As a result, the finding was confirmed.Additionally, two (2) low flow alarms were logged on (b)(6) 2024 at 19:27:01 and on (b)(6) 2024 at 09:33:26.This is an additional finding, not related to the reported event.Based on the available information, the devices may have caused or contributed to the findings.Based on the risk documentation, possible causes of the observed low flows may be attributed to multiple factors including but not limited to thrombus at the inflow canula/outflow graft, constriction at the outflow graft, poor vad filling, and/or inappropriate pump rotational speed.Applicable risk documentation and experience with events of similar circumstances were considered; possible root causes of the cell-under-voltage condition, and resulting power disconnect alarms, can be attributed, but not limited, to a welding defect, a faulty internal cell pair, and/or a soldering defect.Investigation of this event is completed and the file will be closed.If new information is received, the file will be re-opened and a supplemental will be submitted.Medtronic submits this report to comply with fda regulations 21 cfr parts 4 and 803.Medtronic has made reasonable efforts to provide as much relevant information as is available to the company as of the submission date of this report.This report does not constitute an admission or a conclusion by fda, medtronic, or its employees that the device, medtronic, or its employee caused or contributed to the event described in the report.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.Medtronic will submit a supplemental report if additional relevant information becomes known.

• Brand Name: HEARTWARE VENTRICULAR ASSIST SYSTEM - BATTERY
• Common Device Name: VENTRICULAR (ASSISST) BYPASS
• Manufacturer (Section D): HEARTWARE, INC.; 14400 nw 60th ave; miami lakes FL 33014
• Manufacturer (Section G): HEARTWARE, INC.; 14400 nw 60th ave; miami lakes FL 33014
• Manufacturer Contact: gerard torenvliet ; 8200 coral sea st ne; mounds view, MN 55112-4391 ; 7635269277
• MDR Report Key: 21867965
• Report Number: 3007042319-2025-00793
• Device Sequence Number: 18114949
• Product Code: DSQ
• UDI-Device Identifier: 00888707005692
• UDI-Public: (01)00888707005692(17)190930
• Combination Product (Y/N): N
• Initial Reporter Country: TU
• PMA/510(K) Number: P100047
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup,Followup
• Report Date (Section B): 06/11/2025

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: Lay User/Patient
• Device Expiration Date: 09/30/2019
• Device Model Number: 1650
• Device Catalogue Number: 1650
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 04/04/2025
• Supplement Date Received by Manufacturer: 05/06/2025; 06/10/2025
• Initial Report FDA Received Date: 04/18/2025
• Supplement Report FDA Received Date: 05/15/2025; 06/11/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 09/21/2018
• 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
• Concomitant Medical Products and Therapy/Usage Dates: (B)(6)
• Patient Age: 69 YR
• Patient Sex: Male
• Patient Weight: 72 KG