FDA Adverse Event Malfunction Summary report: N

ECLIPSE

MDR report key: 2152970 · Received June 28, 2011

Report

Report Number
3003793371-2011-00024
Event Type
Malfunction
Date Received
June 28, 2011
Date of Event
June 7, 2011
Report Date
June 8, 2011
Manufacturer
VARIAN MEDICAL SYSTEMS FINLAND OY
Product Code
MUJ
PMA / PMN Number
K091492
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
UK
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

THIS IS A KNOWN AND PREVIOUSLY REPORTED ISSUE THAT IS CURRENTLY UNDER INVESTIGATION. ALTHOUGH THERE WAS NO REPORTED INJURY IN THIS CASE, THE AVAILABLE INFORMATION SUGGESTS A POSSIBLE MALFUNCTION OF THE DEVICE. THOUGH STILLL UNDER INVESTIGATION, VARIAN HAS DETERMINED THAT A MDR IS APPROPRIATE AS THIS POSSIBLE MALFUNCTION, SHOULD IT RECUR, COULD POTENTIALLY CAUSE SERIOUS INJURY. ADDITIONAL FOLLOW-UP TO THIS MDR IS EXPECTED UPON COMPLETION OF THE INVESTIGATION.

Description of Event or Problem · 1

WRONG ENERGY USED FOR DOSE CALCULATION. THE CUSTOMER REPORTS AN ERROR WITH ECLIPSE 10.034 WHEREBY THE ENERGY OF THREE TREATMENT BEAMS OF A PLAN WAS CHANGED FROM 6X TO 10X (BY ECLIPSE NOT THE OPERATOR), YET THE MU, DOSE-DISTRIBUTION (REF. DOSE ETC.), ALL STILL SHOWED THE 6X PLAN INFORMATION. THIS WAS PICKED UP BY THE INDEPENDENT MU CHECK WHICH SHOWED ALL THREE BEAMS WERE OUT OF TOLERANCE AT 5.1%, 7.7% AND 9.5%, WHERE TOLERANCE IS A MAXIMUM 5% DIFFERENCE WITH ECLIPSE. NO SERIOUS INJURY OR MISADMINISTRATION WAS REPORTED.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 ECLIPSE SYSTEM, PLANNING, RADIATION THERAPY TREAT MUJ VARIAN MEDICAL SYSTEMS FINLAND OY H48

Patients

Seq Age Sex Outcome Treatment
1