FDA Adverse Event Malfunction Summary report: N

CLINAC

MDR report key: 883424 · Received July 19, 2007

Report

Report Number
2914292-2007-00027
Event Type
Malfunction
Date Received
July 19, 2007
Date of Event
June 19, 2007
Report Date
July 19, 2007
Manufacturer
VARIAN MEDICAL SYSTEMS
Product Code
IYE
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
FR
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

THE CHAIN WAS REPLACED AND THE MASTER LINK WAS RETURNED FOR INVESTIGATION BY VARIAN MEDICAL SYSTEMS. THERE WAS NO DAMAGE TO THE SECURING PART OF THE MASTER LINK (LINK PLATE AND SPRING CLIP). IT HAS BEEN DETERMINED THAT THE ROOT CAUSE OF THE GANTRY CHAIN "BREAKING" IS THE MASTER LINK CLIP NOT BEING ENGAGED ALL THE WAY WHEN INSTALLED. TO ALLEVIATE THIS PROBLEM, VARIAN IS CHANGING OUR ASSEMBLY PROCEDURE TO CLARIFY THE ASSEMBLY AND INSPECTION OF THIS LINK.

Description of Event or Problem · 1

IT WAS REPORTED THAT AFTER INSTALLATION, THE GANTRY CHAIN SLACKED AFTER 2 DAYS OF USE. THE BREAK OF THE GANTRY CHAIN OCCURRED. A NEW PART WAS ORDERED FOR REPLACEMENT, HOWEVER IN THE MEANTIME THE ORIGINAL PART REMAINS ON THE EQUIPMENT AND NEW STB CHECKS HAVE BEEN CORRECTLY PERFORMED.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 CLINAC LINEAR ACCELERATOR IYE VARIAN MEDICAL SYSTEMS 2100 C/D

Patients

Seq Age Sex Outcome Treatment
1 YR