MAUDE Adverse Event Report: ROCHE DIAGNOSTICS COAGUCHEK VANTUS; PROTHROMBIN TIME MONITOR

Model Number	COAGUCHEK INRANGE
Medical Device Problem Code	No Device Output (1435)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	10/24/2022
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Initial reporter occupation is patient/consumer.The meter was requested for investigation.The investigation is ongoing.
Event or Problem Description
The customer reported an expiration date issue with coaguchek vantus meter serial number (b)(4).The customer stated they were able to use test strip lot 52333121 that has an expiration date of 31-jul-2022.The meter should display the error message m-22 when a customer attempts to use expired test strips.The customer stated they had a low result of 1.9 inr using the expired test strips.Their dose was increased by a half tablet for one day based on the results.Customer had no harm from dosing based off the meter readings.
Additional Manufacturer Narrative
The customer did not return any materials for investigation.Without these materials to investigate, a specific root cause could not be determined.

• Brand Name: COAGUCHEK VANTUS
• Common Device Name: PROTHROMBIN TIME MONITOR
• Manufacturer (Section D): ROCHE DIAGNOSTICS; 9115 hague road; indianapolis IN 46250 0457
• Manufacturer (Section G): ROCHE DIAGNOSTICS GMBH; sandhoferstrasse 116; na; mannheim (baden-wurttemberg) 68305 ; GM 68305
• Manufacturer Contact: amy nelson ; 9115 hague road; na; indianapolis, IN 46250 ; 3174767531
• MDR Report Key: 15927341
• Report Number: 1823260-2022-03906
• Device Sequence Number: 14569706
• Product Code: GJS
• UDI-Device Identifier: 00365702700499
• UDI-Public: 00365702700499
• Combination Product (Y/N): N
• Initial Reporter Country: US
• PMA/510(K) Number: K170960
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Consumer
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 01/27/2023

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: Lay User/Patient
• Device Model Number: COAGUCHEK INRANGE
• Device Catalogue Number: 07729952160
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 11/14/2022
• Supplement Date Received by Manufacturer: 01/04/2023
• Initial Report FDA Received Date: 12/06/2022
• Supplement Report FDA Received Date: 01/27/2023
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Patient Sex: Female