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U.S. Department of Health and Human Services

MAUDE Adverse Event Report: MICROTYPING SYSTEMS ANTI-HUMAN GLOBULIN ANTI-IGG (RABBIT) MTS¿ ANTI-IGG CARD; MTS GEL CARDS - FOR DIRECT AND INDIRECT ANTIGLOBULIN TEST

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MICROTYPING SYSTEMS ANTI-HUMAN GLOBULIN ANTI-IGG (RABBIT) MTS¿ ANTI-IGG CARD; MTS GEL CARDS - FOR DIRECT AND INDIRECT ANTIGLOBULIN TEST Back to Search Results
Catalog Number MTS084024
Device Problems False Negative Result (1225); Incorrect Or Inadequate Test Results (2456)
Patient Problem No Known Impact Or Consequence To Patient (2692)
Event Date 05/16/2017
Event Type  malfunction  
Manufacturer Narrative
Sample was returned to ortho for further investigation.Ortho performed retain and return testing, batch review, complaint review by lot and master lot.All results were satisfactory.(b)(4).
 
Event Description
Report 1 of 2.Customer reported a false negative result occurred with a dat done on a cord blood sample using anti-igg gel card lot# 101016001-06, exp.8/13/17.Customer received a negative dat with the anti-igg gel card and a positive 1+ reaction in the dat using competitor's anti-igg reagent.Issue started on: (b)(6) 2017, frequency: 2x, microtubes/wells or cell (donor #) affected: random microwell, methodology used: manual gel, reaction grade obtained: negative, customer was expecting: positive.Test repeated: yes, result obtained by repeating: negative, method used to repeat: manual gel.Customer packed the cells and manually washed the sample before testing.Associated reagent: card/cassette type: anti-igg lot number: 101013001-06 expire: 8-13-17.Qc data: qc type: ortho confidence kit, last qc run: (b)(6) 2017, sample type: edta.Pipette used: mts, incubator type: mts, cards/cassettes centrifugation: mts, other relevant details: mother is a type 'o'.The baby is a type 'b'.The bilirubin was 14.8, with the baby under the bili-lights.Customer repeated the dat using the same lot of gel cards and received a negative reaction for the dat.Customer also tested the dat using mts poly card, lot#013117005-01, exp.11/13/17 with a false negative occurring with the dat (see mxp (b)(4)).Detail any maintenance failure or maintenance inadequately performed that would be relevant for the issue : none.Detail any action that cts requested to find the cause of the issue: customer reported she followed ifu procedure as follows: prepared a red blood cell suspension of approximately 0.8% in mts diluent 2 (e.G., deliver 1.0 ml of mts diluent 2 into a test tube and pipetted 10 ml packed red blood cells into the diluent), mix gently.4.Label the gel card appropriately.5.Remove the foil seal from the mts anti-igg card or from the individual microtubes to be used for testing.After removing the foil, visually inspect all gel cards with no issues.6.Added 50 ml of the 0.8% dilution to each microtube.7.Customer centrifuged the prepared cards in the mts centrifuge 8.After centrifugation, removed the gel card (s) from the centrifuge.Observed, read macroscopically the front and back of each microtube for agglutination and/or hemolysis and record a negative reaction.Cts discussed with the customer that the hard spin of the tube reaction gave the weak reaction a 1+ dat using the immucor reagent.Customer is sending the sample to a reference lab for testing and she will call back to give update about the call.Customer called cts back to provide information on the sample eluate that the had anti-b.Customer will send a sample back to cts for investigation.
 
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Brand Name
ANTI-HUMAN GLOBULIN ANTI-IGG (RABBIT) MTS¿ ANTI-IGG CARD
Type of Device
MTS GEL CARDS - FOR DIRECT AND INDIRECT ANTIGLOBULIN TEST
Manufacturer (Section D)
MICROTYPING SYSTEMS
1295 southwest 29th avenue
pompano beach FL 33069
Manufacturer (Section G)
MICROTYPING SYSTEMS
1295 southwest 29th avenue
pompano beach FL 33069
Manufacturer Contact
marta carnielli
1001 route 202
raritan, NJ 08869
9082188223
MDR Report Key6612710
MDR Text Key76954555
Report Number1056600-2017-00050
Device Sequence Number1
Product Code KSZ
Combination Product (y/n)N
Reporter Country CodeUS
Number of Events Reported1
Summary Report (Y/N)N
Report Source Manufacturer
Source Type health professional
Reporter Occupation Medical Technologist
Type of Report Initial
Report Date 06/05/2017
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
Device Operator Medical Technologist
Device Expiration Date08/13/2017
Device Catalogue NumberMTS084024
Device Lot Number101016001-06
Other Device ID Number10758750005994
Was Device Available for Evaluation? Yes
Is the Reporter a Health Professional? Yes
Initial Date Manufacturer Received 05/16/2017
Initial Date FDA Received06/05/2017
Was Device Evaluated by Manufacturer? Yes
Date Device Manufactured11/16/2016
Is the Device Single Use? No
Is This a Reprocessed and Reused Single-Use Device? No
Type of Device Usage N
Patient Sequence Number1
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