FDA Adverse Event Malfunction Summary report: N

VENTED HUMIDIFICATION CHAMBER

MDR report key: 3882564 · Received June 19, 2014

Report

Report Number
9611451-2014-00541
Event Type
Malfunction
Date Received
June 19, 2014
Date of Event
May 28, 2014
Report Date
June 4, 2014
Manufacturer
FISHER & PAYKEL HEALTHCARE LTD
Product Code
BTT
PMA / PMN Number
K934140
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
JA
Reporter Occupation
NURSE

Narratives

Additional Manufacturer Narrative · 1

METHOD: THE TWO COMPLAINT MR290 CHAMBERS WERE RETURNED TO FISHER & PAYKEL HEALTHCARE IN (B)(4) AND WERE VISUALLY INSPECTED. RESULTS: IN BOTH CASES, VISUAL INSPECTION REVEALED A BREAK IN THE FEEDSET TUBING AT THE CONNECTION TO THE CHAMBER DOME. THE SURFACE AT THE BREAK WAS ROUGH. THE DAMAGE APPEARED TO BE DUE TO THE TUBE BEING PULLED AWAY FROM THE CHAMBER, POSSIBLY DUE TO THE FEEDSET BEING CAUGHT OR PUT UNDER TENSION. A LOT CHEK REVEALED FIVE OTHER COMPLAINTS OF THIS NATURE FOR LOT 130716. CONCLUSION: WE WERE UNABLE TO DEFINITIVELY DETERMINE THE CAUSE OF THE FEEDSET BREAK, HOWEVER OUR PREVIOUS INVESTIGATIONS INTO SIMILAR COMPLAINTS HAVE SHOWN THAT THIS DAMAGE CAN BE CAUSED BY THE OVERSTRETCHING OF THE TUBING WHEN ATTACHING IT TO A WATER BAG. WE HAVE CONDUCTED EXTENSIVE TESTING OF THE MR290 CHAMBER, WITH PARTICULAR EMPHASIS ON FEEDSET BREAKS. SIGNIFICANTLY WE HAVE NOT BEEN ABLE TO REPLICATE FAILURE OF THE FEEDSET TUBE AT THE CHAMBER DOME IN ANY OF OUR TESTING. THE SPECIFICATION FOR THE CHAMBER REQUIRES THAT THE FEEDSET TUBE SHOULD HAVE A BREAKING STRAIN OF 30 NEWTONS. DURING PRODUCTION, PULL TESTING OF THE FEEDSET STRENGTH AT BOTH SPIKE AND DOME END IS PERFORMED EVERY HOUR ON MR290 CHAMBERS FROM EACH PRODUCTION LINE. IF ANY FAULTS ARE DETECTED THE WHOLE BATCH IS PLACED ON HOLD FOR INVESTIGATION. ADDITIONALLY ALL CHAMBERS ARE PRESSURE TESTED BEFORE THEY LEAVE THE PRODUCTION LINE AND ANY HOLES OR LEAKS IN THE FEEDSET ARE IDENTIFIED DURING THIS PROCESS. CHAMBERS THAT FAIL ANY OF THESE TESTS ARE DISCARDED. THIS SUGGESTS THAT THE PROBLEM OCCURRED AFTER THE PRODUCT WAS RELEASED FOR DISTRIBUTION. THE USER INSTRUCTIONS WHICH ACCOMPANY THE MR290 AUTOFEED HUMIDIFICATION CHAMBERS STATE THE FOLLOWING: - SET APPROPRIATE VENTILATOR ALARM. - PERFORM A PRESSURE AND LEAK TEST ON THE BREATHING SYSTEM AND CHECK FOR OCCLUSIONS BEFORE CONNECTING TO A PATIENT. (B)(4).

Description of Event or Problem · 1

A HOSPITAL IN (B)(6) REPORTED VIA OUR DISTRIBUTOR THAT WATER LEAK OCCURRED AT THE CONNECTION OF THE DOME AND THE FEEDSET TUBE OF TWO MR290 HUMIDIFICATION CHAMBERS WHLE THEY WERE CONNECTING THE SPIKE TO THE WATER BOTTLE BEFORE USE.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
362072 VENTED HUMIDIFICATION CHAMBER AUTOFEED CHAMBER BTT FISHER & PAYKEL HEALTHCARE LTD MR290V 1307160304

Patients

Seq Age Sex Outcome Treatment
1