FDA Adverse Event Malfunction Summary report: N

STD-1000

MDR report key: 68499 · Received February 10, 1997

Report

Report Number
2518157-1997-00002
Event Type
Malfunction
Date Received
February 10, 1997
Report Date
February 7, 1997
Manufacturer
PORTER INSTRUMENT CO., INC.
Product Code
LWM
Removal / Correction Number
NA
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
LA, US
Reporter Occupation
DENTIST

Narratives

Description of Event or Problem · 1

AN ANALGESIA GAS MACHINE (FLOWMETER) WAS RETURNED FOR REPAIR AND WAS RECEIVED ON 1/23/97 WITH A NOTE SAYING "ESTIMATE OF REPAIR-OVERHAUL". UPON EVAL IT WAS DETERMINED THAT THE FLOWMETER COULD FLOW NITROUS OXIDE (N2O) WITHOUT OXYGEN (O2). THIS INSTRUMENT IS DESIGNED TO DELIVER MIXED O2 AND N20 TO A DENTAL PT. WHEN O2 FLOW OR PRESSURE IS NOT PRESENT, THE INSTRUMENT HAS A FEATURE WHICH STOPS THE FLOW OF N2O. THIS FEATURE, THEREFORE, HAD MALFUNCTIONED. THE CO'S FOLLOW-UP REPORT OF THE DENTIST CONTACT STATES "NO PTS WERE EXPOSED TO 100% N2O". THEREFORE, AT NO TIME DID A PT RECEIVE 100% N2O FROM THIS DEVICE AS A RESULT OF THIS MALFUNCTION. CO HAS PREVIOUSLY SUBMITTED MDR'S WHEN THE FAILSAFE HAS MALFUNCTIONED. UNDER THE CURRENT MDR REGULATIONS, CO HAS DETERMINED THAT THIS CATEGORY OF PRODUCT MALFUNCTION DOES NOT REQUIRE SUBMISSION OF AN MDR AND HAS FILED AN EXEMPTION WITH THE FDA ON 11/6/96.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 STD-1000 ANALGESIA GAS MACHINE LWM PORTER INSTRUMENT CO., INC. STD-1000 NA

Patients

Seq Age Sex Outcome Treatment
1 * Other