FDA Adverse Event Malfunction Summary report: N

EVOLUTION ELECTRONIC CONSERVER

MDR report key: 6602668 · Received May 31, 2017

Report

Report Number
1062191-2017-00003
Event Type
Malfunction
Date Received
May 31, 2017
Date of Event
May 28, 2015
Report Date
September 22, 2015
Manufacturer
INOVO. INC
Product Code
NFB
UDI-DI
00814470020051
PMA / PMN Number
K042142
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
US
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

THE DEVICE REPORTED IN THIS EVENT (CONSERVER, OXYGEN, PRODUCT CODE: NE, MODEL OM-900A, SERIAL NUMBER: (B)(4)) WAS RECEIVED ON 09/24/2015 AT INOVO'S MANUFACTURING FACILITY IN (B)(4). THIS DEVICE WAS TESTED AND ANALYZED PER THE DEVICE CONTROL PLAN 561. THE DEVICE WAS INSPECTED AND DISASSEMBLED AND WAS NOTED WITH VISIBLE BURN MARKS AT THE INLET OF THE YOKE. THE BRASS INSERT HAD VISIBLE DAMAGE ALONG THE EDGE OF THE DIAMETER. THE SINTERED BRONZE FILTER SUSTAINED NO VISUAL BURN DAMAGE. THE CYLINDER POST VALVE HAD VISIBLE DAMAGE ALONG THE SEALING SURFACE. THERE WAS ALSO METAL REMOVED/PITTED FROM THE SEALING SURFACE EXPOSING THE BRASS UNDER THE STAINLESS STEEL PLATING. BLACK RESIDUE WAS ALSO NOTED ALONG THE TOP AND SIDES OF THE BRASS INSERT, BUT NO INDICATION OF THE FLASH FIRE PENETRATING THROUGH THE SINTERED BRONZE FILTER. NO RESIDUE WAS NOTED AT THE SINTERED INLET FILTER. THE SEAL WASHER THAT WAS RECOVERED FROM THE IGNITION WAS COMPLETELY DISINTEGRATED LEAVING ONLY REMNANTS OF THE BRASS RING. ANALYSIS DETERMINED THE LIKELY SCENARIO WAS THAT FLOW FRICTION MAY HAVE BEEN THE CAUSE OF THE FIRE. IT WAS REPORTED THAT THERE WERE MULTIPLE ATTEMPTS TO CONNECT THE CONSERVER TO THE OXYGEN CYLINDER WITH REPORTED AIR LEAKS. IT CAN BE CONCLUDED THAT THE REPEATED ATTEMPTS TO CONNECT MEANT THAT THE CONSERVER WAS NOT PROPERLY CONNECTED EACH TIME. THESE REPEATED ATTEMPTS WOULD RESULT TO THE DAMAGE TO THE SEALING SURFACE. THE INSTRUCTIONS FOR USE (IFO) STATES THAT THE POST VALVE OF THE OXYGEN CYLINDER AND THE CONSERVER SHOULD BE INSPECTED PRIOR TO CONNECTION AND TO NOT USE IF THERE IS ANY DAMAGE TO THE SEALING SURFACES OF THE CONSERVER AND OXYGEN CYLINDER. IN ADDITION PER THE HOME USE CHECKLIST, IF A LEAK IS NOT FIXED AFTER ONE ADDITIONAL ATTEMPT, RECONNECT SHOULD BE ATTEMPTED. IF AFTER TWO FAILED ATTEMPTS TO CONNECT THE CONSERVER, THE PATIENT IS INSTRUCTED TO CONTACT THE COMPANY IN WHICH THEY PURCHASED THE UNIT FROM. THE MOST LIKELY ROOT CAUSE WAS THAT THE OPERATOR DAMAGED THE SEALING SURFACE WITH THE REPEATED ATTEMPTS TO CONNECT THE DEVICE TO THE OXYGEN CYLINDER AND DID NOT INSPECT THE SEALING SURFACE AFTER EACH SUBSEQUENT CONNECTION ATTEMPT. THE PITTING/OPENING COULD NOT CREATE SUFFICIENT SEAL AND GAS WAS SEEPING OUT THROUGH THE OPENING OF THE PITTED AREA CAUSING FLOW FRICTION SUFFICIENT ENOUGH TO CAUSE A FLASH FIRE. A REVIEW OF THE DEVICE HISTORY RECORD DID NOT SHOW ANY NONCONFORMITIES OR ISSUES DURING THE MANUFACTURING PROCESS. THIS MDR IS BEING SUBMITTED BASED AS A RESULT OF A VOLUNTARY TWO-YEAR RETROSPECTIVE REVIEW THAT WAS PERFORMED TO IDENTIFY POTENTIALLY REPORTABLE COMPLAINTS. THERE WAS NO REPORT THAT AN INOVO DEVICE CAUSED OR CONTRIBUTED TO AN ADVERSE EVENT WHERE DEATH, SERIOUS INJURY, OR A SIGNIFICANT PUBLIC HEALTH HAZARD HAS OCCURRED OR MAY OCCUR IF THE ALLEGED MALFUNCTION WERE TO REOCCUR; HOWEVER, THIS EVENT IS BEING REPORTED IN AN ABUNDANCE OF CAUTION. IF INOVO BECOMES AWARE OF ADDITIONAL INFORMATION THAT WOULD AFFECT REPORTABILITY, A SUPPLEMENTAL WILL BE SUBMITTED. NOTE THAT THIS MDR WAS PREVIOUSLY SUBMITTED ON 01/28/2017 AND IS BEING RE-SUBMITTED BECAUSE IT WAS NOT FULLY PROCESSED OR RECEIVED BY FDA DUE TO AN ERROR.

Description of Event or Problem · 1

IT WAS REPORTED THAT THE CUSTOMER WAS IN A VEHICLE AT THE TIME OF THE INCIDENT AND WAS SWITCHING OVER THE DEVICE FROM AN EMPTY CYLINDER TO A FULL CYLINDER. THE DEVICE WAS CONNECTED AND AFTER TURNING ON THE CYLINDER VALVE, A LEAK WAS NOTICED. THE CYLINDER VALVE WAS TURNED OFF AND RECONNECTED TO THE DEVICE TWO MORE TIMES. ON THE LAST ATTEMPT, A HISS WAS HEARD THAT GOT LOUDER, AND THEN FLASHED WITH A FLAME. THE CUSTOMER JUMPED OUT OF THE CAR AND THEN QUICKLY TURNED THE CYLINDER VALVE OFF TO PREVENT A FIRE. THERE WERE NO REPORTED ADVERSE PATIENT EFFECTS. NO ADDITIONAL INFORMATION PROVIDED.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
383711 EVOLUTION ELECTRONIC CONSERVER EVOLUTION ELECTRONIC CONSERVER NFB INOVO. INC OM-900A 00814470020051

Patients

Seq Age Sex Outcome Treatment
1