FDA Adverse Event Malfunction Summary report: N

FLOWMETER

MDR report key: 8677498 · Received June 7, 2019

Report

Report Number
9611500-2019-00168
Event Type
Malfunction
Date Received
June 7, 2019
Date of Event
May 23, 2019
Report Date
August 13, 2019
Manufacturer
DRÄGERWERK AG & CO. KGAA
Product Code
BXY
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
GM
Reporter Occupation
BIOMEDICAL ENGINEER

Narratives

Additional Manufacturer Narrative · 0

THE INVESTIGATION WAS CARRIED OUT BASED ON THE PROVIDED FLOWMETER. IT WAS FOUND THAT THE MATERIAL OF THE PRESSURE DOME IS TORN IN THE REGION OF THE THREAD WITH WHICH THE DOME IS SCREWED INTO THE BASE BODY OF THE FLOWMETER. THE CLEANING WIPES MICROBAC TISSUES USED ACCORDING TO THE CUSTOMER WORK ON THE BASIS OF QUATERNARY COMPOUNDS, WHICH ARE NOT RECOMMENDED BY DRÄGER AND ARE NOT COMPATIBLE WITH THE MATERIAL OF THE PRESSURE DOME (POLYCARBONATE) WHICH CAN LEAD TO STRESS CRACKS. ACCORDINGLY, THE REPORTED RUPTURE OF THE PRESSURE DOME CAN MOST LIKELY BE ATTRIBUTED TO STRESS CRACKS CAUSED BY THE USE OF INCOMPATIBLE CHEMICALS. STRESS CRACKING FINALLY RESULTING IN BURSTING IS NOT A SUDDEN EVENT, BUT A SLOW-MOVING PROCESS THAT CAN BE DETECTED IN TIME WITH REGULAR INSPECTION. THEREFORE THE IFU CONTAINS A WARNING THAT THE USER HAS TO CHECK THE PRESSURE DOME FOR CRACKS BEFORE USE. FURTHERMORE, THE PRESSURE DOME SHOULD BE CHECKED AT LEAST ONCE A YEAR BY TRAINED SPECIALIST PERSONNEL; IN DOING SO, THE PRESSURE DOME MUST BE UNSCREWED FROM THE FLOWMETER IN ORDER TO ALSO CHECK THE THREAD FOR ABNORMALITIES AND CRACKS.

Description of Event or Problem · 0

PLEASE REFER TO THE INITIAL REPORT.

Additional Manufacturer Narrative · 1

THE INVESTIGATION IS STILL ON-GOING. THE RESULTS WILL BE PROVIDED WITHIN A FOLLOW-UP REPORT.

Description of Event or Problem · 1

IT WAS REPORTED THAT DURING THE USE OF THE FLOWMETER THE PRESSURE DOME EXPLODED. NO INJURY REPORTED.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
473659 FLOWMETER FLOWMETER, GAS BXY DRÄGERWERK AG & CO. KGAA NA NA

Patients

Seq Age Sex Outcome Treatment
1