Skip to content
Recall Observatory FDA recall evidence

Device product

Dynex DSX Software-IVD ELISA Assays effected as follows: DSX Assay File Software: ZEUS vl B. burgdorferi lgG-lgM.asy ZEUS vl Borrelia VlsEl-pepClO lgG-lgM.asy ZEUS Parvovirus B19 lgG (9Z7701G).asy ZEUS Parvovirus B19 lgM (9Z7701M).asy ZEUS vl HSV-1 and 2 lgM.asy ZEUS vl Sm-RNP [CF] .asy ZEUS vl Sm-RNP [CV].asy ZEUS vl CMV lgG.asy ZEUS vl CMV lgM.asy ZEUS vl EBV-VCA lgG.asy ZEUS vl EBV-VCA lgM.asy ZEUS vl H. pylori lgG.asy ZEUS vl M. pneumoniae lgG.asy ZEUS vl M. pneumoniae lgM.asy ZEUS vl Measles lgG.asy ZEUS vl Mumps lgG .asy ZEUS vl T. gondii lgG .asy ZEUS vl T. gondii lgM.asy ZEUS vl VZV lgG.asy ZEUS vl Rubella lgG .asy ZEUS vl Rubella lgM.asy ZEUS vl MPO [CF].asy ZEUS vl MPO [CV].asy ZEUS vl EBNA-1 lgG.asy ZEUS vl.1 HSV-1 and 2 lgM.asy Product Usage: The DYNEX DSX Automated ELISA System is an open automated open system to perform ELISA immunoassay

Z-2494-2019

July 22, 2019

Class II

Product summary

Firm
Zeus Scientific, Inc.
Event
Event 83426
Status
Terminated
Classification
Class II
Quantity
28 Assays
Official record key
device-enforcement:Z-2494-2019

Official wording

Reason: Assay files used on the open Dynex DSX Instrument to process IVD ELISA samples-programming error results in well H6 being skipped for the addition of the TMB substrate. Well H6 will generate a negative result regardless of whether the patient was negative or positive for that antibody. This could result in a potential false negative result for that assay for any patients tested in well H6.

Code information: Software versions: ZEUS vl B. burgdorferi lgG-lgM.asy ZEUS vl Borrelia VlsEl-pepClO lgG-lgM.asy ZEUS Parvovirus B19 lgG (9Z7701G).asy ZEUS Parvovirus B19 lgM (9Z7701M).asy ZEUS vl HSV-1 and 2 lgM.asy ZEUS vl Sm-RNP [CF] .asy ZEUS vl Sm-RNP [CV].asy ZEUS vl CMV lgG.asy ZEUS vl CMV lgM.asy ZEUS vl EBV-VCA lgG.asy ZEUS vl EBV-VCA lgM.asy ZEUS vl H. pylori lgG.asy ZEUS vl M. pneumoniae lgG.asy ZEUS vl M. pneumoniae lgM.asy ZEUS vl Measles lgG.asy ZEUS vl Mumps lgG .asy ZEUS vl T. gondii lgG .asy ZEUS vl T. gondii lgM.asy ZEUS vl VZV lgG.asy ZEUS vl Rubella lgG .asy ZEUS vl Rubella lgM.asy ZEUS vl MPO [CF].asy ZEUS vl MPO [CV].asy ZEUS vl EBNA-1 lgG.asy ZEUS vl.1 HSV-1 and 2 lgM.asy

Distribution pattern: US nationwide distribution in the states of CA, CT, FL, KY, IN, MA, MI, NY, NJ, NH, OH, PA, TX, VA.

Derived failure modes

  • Device software or design

    reason.device_software_design · v1.0.0

    programming error