MAUDE Adverse Event Report: EBR Systems, Inc. WiSE CRT System; M1000

Model Number	M1000
Medical Device Problem Code	Human-Device Interface Problem (2949)
Health Effect - Clinical Code	Unspecified Heart Problem (4454)
Date of Event	08/24/2026
Type of Reportable Event	Serious Injury

• Brand Name: WiSE CRT System
• Common Device Name: M1000
• Manufacturer (Section D): EBR Systems, Inc.; 480 oakmead parkway; sunnyvale CA 94085
• Manufacturer (Section G): EBR Systems, Inc.; 480 oakmead parkway; sunnyvale CA 94085
• Manufacturer Contact: taliah harris ; 480 oakmead parkway; sunnyvale, CA 94085 ; +1(408)720-1906
• MDR Report Key: 50876100
• Report Number: 3013596742-2026-00064
• Device Sequence Number: 13118036
• Product Code: SEG
• UDI-Device Identifier: 00859244007043
• UDI-Public: 00859244007043
• Combination Product (Y/N): N
• Initial Reporter State: TX
• Initial Reporter Country: US
• PMA/510(K) Number: P240025
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 09/23/2026

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?: Yes
• Operator of Device: Health Professional
• Device Model Number: M1000
• Device Lot Number: P260052
• Was Device Available for Evaluation?: Yes
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 08/24/2026
• Initial Report FDA Received Date: 09/23/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• 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: Life Threatening
• Patient Sex: Unknown