FDA Adverse Event Malfunction Summary report: N

MLP SYSTEM

MDR report key: 80479 · Received March 26, 1997

Report

Report Number
1217116-1997-00015
Event Type
Malfunction
Date Received
March 26, 1997
Date of Event
February 21, 1997
Report Date
February 21, 1997
Manufacturer
PHILLIPS MEDICAL SYSTEMS RADIOTHERAPY
Product Code
IYE
Report Source
Manufacturer report
Reporter Location
UK
Reporter Occupation
BIOMEDICAL ENGINEER

Narratives

Description of Event or Problem · 1

DURING APPLICATION TRAINING, IT WAS DISCOVERED THAT THE FOREIGN LANGUAGE VERSIONS OF THE PRESCRIPTION SYSTEM CAN INCORRECTLY CONVERT THE CAMERA SCALING FACTORS USED WHEN PLANNING MULTI-LEAF POSITION VALUES FOR EXPORT TO THE COLLIMATOR SYSTEM. THE COLLIMATOR SYSTEM DEFINED TREATMENT FIELD FOR THE SL SERIES OF LINEAR ACCELERATORS. CAMERA SCALING FACTORS TO 1.00 TO 1.05 ARE INCORRECTLY TRUNCATED TO 1.00 RESULTING IN A POSSIBLE MAXIMUM MULTI-LEAF COLLIMATOR POSITION ERROR OF 5%. ALLEGEDLY, THIS WILL RESULT IN AN UNDERDOSE TO THE PT.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 MLP SYSTEM LINEAR ACCELERATOR PRESCRIPTIN ENTRY SYSTEM IYE PHILLIPS MEDICAL SYSTEMS RADIOTHERAPY MLP NA

Patients

Seq Age Sex Outcome Treatment
1 NA Other