MAUDE Adverse Event Report: Thoratec Corporation Thoratec® HeartMate 3¿ System Controller; Ventricular (Assist) Bypass

Model Number	106531US
Medical Device Problem Codes	Disconnection (1171); Insufficient Device Problem Information (3190)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	07/13/2026
Type of Reportable Event	Malfunction

• Brand Name: Thoratec® HeartMate 3¿ System Controller
• 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: fredric gold ; 6035 stoneridge drive; pleasanton, CA 94588 ; +1(781)852-8207
• MDR Report Key: 50379032
• Report Number: 2916596-2026-2919295
• Device Sequence Number: 17552672
• Product Code: DSQ
• UDI-Device Identifier: 05415067039446
• UDI-Public: (01)05415067039446(17)271014
• Combination Product (Y/N): N
• Initial Reporter State: DC
• 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): N
• Reporter Type: Manufacturer
• Report Source: Other,Company Representative
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 10/02/2026

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: 106531US
• Device Catalogue Number: 106531US
• Device Lot Number: L00005264
• Was Device Available for Evaluation?: Yes
• Date Returned to Manufacturer: 08/10/2026
• Is the Reporter a Health Professional?: No
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: Not provided
• Supplement Date Received by Manufacturer: 09/22/2026
• Initial Report FDA Received Date: 08/21/2026
• Supplement Report FDA Received Date: 10/02/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 12/10/2025
• 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 Age: 59 YR
• Patient Sex: Male
• Patient Weight: 193 LB
• Patient Race: Black Or African American