Catalog Number 04625315160 |
Device Problem
High Test Results (2457)
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Patient Problem
No Known Impact Or Consequence To Patient (2692)
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Event Date 12/07/2017 |
Event Type
malfunction
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Manufacturer Narrative
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(b)(4).
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Event Description
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The customer received questionable result from coaguchek xs meter serial number (b)(4).The result at 14:31 was > 8.0 inr.The result at 14:34 was 6.7 inr using the same fingerstick.The result at 14:34 was 5.3 inr using a different hand and finger.A sample was sent to the laboratory for confirmation and the result at 17:25 was 4.4 inr using a acl tops analyzer (not dade innovin reagent).There was no allegation of an adverse event.The patient's therapeutic range was 2.5 - 3.0 inr.The suspect meter and strips were requested to be returned for investigation.Replacement product was sent.Relevant retention test strips (lot 176193-12) were tested in comparison with the current master lot coaguchek xs pt test strip (lot 124158-80).For this purpose two human blood samples from marcumar donors and two internal reference meters were used.No error messages occurred.Retention samples were acceptable and retention material performed as specified.
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Manufacturer Narrative
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The returned meter and test strips were tested in comparison to a retention meter an masterlot strips.Two human blood samples from warfarin donors and internal reference meters were used.Donor inr: 2.9 inr and 2.0 inr, donor hct: 53% and 45%.Donor #1: master lot / customer meter and master lot strips 3.0 inr/ 3.0 inr.Donor #2: master lot / customer meter and master lot strips 2.0 inr/ 2.0 inr.All results were within the specified maximum difference between measurements.No error messages occurred.The returned and the retention material met the specification.No information was provided in the complaint case that would point to a cause for the result discrepancy.
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Search Alerts/Recalls
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