MAUDE Adverse Event Report: IMMUCOR, INC. ECHO LUMENA; AUTOMATED BLOOD BANK SYSTEM, PRODUCT CODE:KSZ

Model Number	0086998
Medical Device Problem Code	False Negative Result (1225)
Health Effect - Clinical Code	Insufficient Information (4580)
Type of Reportable Event	Malfunction
Event or Problem Description
A review of the events indicated that ten (10) patient samples tested on the echo lumena automated blood bank system produced inaccurate results.A review indicated that eight (8) patient sample tests produced two (2) unexpected false negative results for the anti-e antibody; one (1) for the anti-k antibody; two (2) for the anti-fya antibody; one (1) for the anti-k antibody and two (2) for the anti-cw antibody.Two (2) instrument malfunctions produced inaccurate aborh results based on historical results for the patients using the abo forward typing assay; producing one (1) inaccurate result for anti-b and one inaccurate result for (1) for anti-d.Subsequent testing of reagent retention lots, reviews of design history records and reagent antigen validation testing of the initial bulk product used for commercial vialing showed acceptable results.Through post event tests and investigations, no specific causes were determined for the malfunctions.
Additional Manufacturer Narrative
(b)(4).Additional lot numbers continued:r252;r260;203875;e442;r281.

• Brand Name: ECHO LUMENA
• Common Device Name: AUTOMATED BLOOD BANK SYSTEM, PRODUCT CODE:KSZ
• Manufacturer (Section D): IMMUCOR, INC.; 3130 gateway dr; norcross GA 30091 5625
• Manufacturer Contact: howard yorek ; 3130 gateway dr.; norcross, GA 30091-5625 ; 7704412051
• MDR Report Key: 12721201
• Report Number: 1034569-2021-00025
• Device Sequence Number: 14580208
• Product Code: KSZ
• UDI-Device Identifier: 10888234002338
• UDI-Public: 10888234002338
• Combination Product (Y/N): N
• PMA/510(K) Number: BK170135
• Number of Events Summarized: 10
• Summary Report (Y/N): Y
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional,User Facility
• Initial Reporter Occupation: Other
• Type of Report: Initial
• Report Date (Section B): 10/29/2021

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: 0086998
• Device Catalogue Number: 0086998
• Device Lot Number: ID418,R270,13373,50587,504905
• Was Device Available for Evaluation?: Yes
• Type of Report(Section G): Periodic
• Initial Date Received by Manufacturer: 09/01/2021
• Initial Report FDA Received Date: 10/29/2021
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Unknown
• Patient Sequence Number: 1
• Patient Sex: Unknown