MAUDE Adverse Event Report: SynCardia Systems, LLC SynCardia Total Artificial Heart (STAH) 50cc; Biventricular Replacement Device

Catalog Number	P/N 570500-001
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Multiple Organ Dysfunction Syndrome (3261)
Date of Event	12/23/2025
Type of Reportable Event	Death
Event or Problem Description
Per distributor, patient died due to multisystem organ failure.Death reported not caused by stah device.No autopsy was performed.
Additional Manufacturer Narrative
Per hospital staff, patient death was determined to be unrelated to the device, the patient passed due to multi-organ system failure.This issue will be monitored and trended as part of the customer complaint process.Syncardia has completed its evaluation and is closing this file.If new or additional information is received in the future, syncardia will file a follow-up mdr.

• Brand Name: SynCardia Total Artificial Heart (STAH) 50cc
• Common Device Name: Biventricular Replacement Device
• Manufacturer (Section D): SynCardia Systems, LLC; 1992 e silverlake road; tucson AZ 85713
• Manufacturer (Section G): SynCardia Systems, LLC; 1992 e silverlake road; tucson AZ 85713
• Manufacturer Contact: michael larsen ; 1992 e silverlake road; tucson, AZ 85713 ; +1(520)545-1234
• MDR Report Key: 50327861
• Report Number: 3003761017-2026-00098
• Device Sequence Number: 9758287
• Product Code: LOZ
• UDI-Device Identifier: 00858000003053
• UDI-Public: (01)00858000003053
• Combination Product (Y/N): N
• Initial Reporter Country: HR
• PMA/510(K) Number: P030011
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2024
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Distributor
• Initial Reporter Occupation: Administrator/Supervisor
• Type of Report: Initial
• Report Date (Section B): 08/18/2026

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Operator of Device: Lay User/Patient
• Device Catalogue Number: P/N 570500-001
• Device Lot Number: 126675
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Initial Date Received by Manufacturer: Not provided
• Initial Report FDA Received Date: 08/19/2026
• 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
• Outcome Attributed to Adverse Event: Death
• Patient Sex: Unknown