MAUDE Adverse Event Report: THORATEC CORPORATION THORATEC® HEARTMATE® XVE AND HEARTMATE II®, APICAL CORING KNIFE; VENTRICULAR (ASSIST) BYPASS

Model Number	1050
Medical Device Problem Code	Dull, Blunt (2407)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	06/01/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Manufacturer's investigation conclusion: the reported issues during the coring process could not be confirmed as no product was returned for evaluation and no images were provided for review.No specific device, patient, or event details could be provided by the customer.A corrective and preventative action was opened to further investigate issues related to the coring knife not being able to cut.The lot/serial number or other identifying information of the product was not reported and was not able to be determined during the investigation.The current revisions of the instructions for use (ifu) can also be found on the electronic ifu (eifu) page of the abbott website.The heartmate 3 left ventricular assist system (lvas) instructions for use (ifu) is currently available.Section 1, "introduction", lists the apical coring knife as an optional component for device implantation.Section 5, ¿surgical procedures¿, provides information on preparing and handling the coring knife.This section also states that during the implant process, a complete backup system (implant kit and external components) must be available on-site and in close proximity for use in an emergency.No further information was provided.The manufacturer is closing the file on this event.
Event or Problem Description
It was reported that the surgeons at the site noted differences in the coring knives used during recent implant surgeries.Scissors were used to finish cutting.There were other factors, such as ventricular condition or trabeculae, but the surgeons were concerned about dull knives.No specific device, patient, or event details could be provided by the customer.
Additional Manufacturer Narrative
Section a: no specific patient details could be provided.Section d4: device serial number and lot number were not provided, and expiration date and manufacture date (h4) cannot be determined.The primary udi number in d4 is reflective of all available information.Section g4: it is unknown which device the patient was implanted with at the time of the event.The pma# provided is associated with most recent approval.No further information was provided.A supplemental report will be submitted when the manufacturer¿s investigation is completed.

• Brand Name: THORATEC® HEARTMATE® XVE AND HEARTMATE II®, APICAL CORING KNIFE
• Common Device Name: VENTRICULAR (ASSIST) BYPASS
• Manufacturer (Section D): THORATEC CORPORATION; 6035 stoneridge drive; pleasanton CA 94588
• Manufacturer (Section G): THORATEC CORPORATION; 6035 stoneridge drive; pleasanton CA 94588
• Manufacturer Contact: lindsey sallese ; 6035 stoneridge drive; pleasanton, CA 94588 ; 7818528207
• MDR Report Key: 22457133
• Report Number: 2916596-2025-04455
• Device Sequence Number: 8118331
• Product Code: DSQ
• UDI-Device Identifier: 00813024010227
• UDI-Public: (01)00813024010227
• Combination Product (Y/N): N
• Initial Reporter State: PA
• Initial Reporter Country: US
• PMA/510(K) Number: P160054
• 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): 07/28/2025

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: 1050
• Device Catalogue Number: 1050
• Was Device Available for Evaluation?: No
• 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: 06/19/2025
• Supplement Date Received by Manufacturer: 07/25/2025
• Initial Report FDA Received Date: 07/09/2025
• Supplement Report FDA Received Date: 07/28/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• 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