FDA Adverse Event Malfunction Summary report: N

LEKSELL GAMMA KNIFE

MDR report key: 1054229 · Received May 29, 2008

Report

Report Number
9612186-2008-00006
Event Type
Malfunction
Date Received
May 29, 2008
Date of Event
April 21, 2008
Report Date
May 28, 2008
Manufacturer
ELEKTA INSTRUMENT AB
Product Code
IWB
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
TX, US
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

INVESTIGATION RESULTS: ACTUATOR MFR MODE UNAUTHORIZED COMPONENT MATERIAL CHANGE RESULTING IN COMPONENT FAILURE DURING USE. COMPONENT MATERIAL HAS BEEN CORRECTED BY SUBCONTRACTOR AND NEW COMPONENT REPLACEMENT INITIATED. CORRECTIVE ACTION: TECHNICAL NOTE 200 068, "SAFETY ISSUE WITH HELMET HOIST ACTUATOR" AND FIELD CHANGE ORDER 200 067, "INVESTIGATION AND CORRECTION OF HELMET CHANGER ACTUATORS" WERE BOTH RELEASED AS CORRECTIVE ACTIONS TO ADDRESS THIS ISSUE ON MAY 15, 2008. TECHNICAL NOTE 200 068 SERVES AS A CAUTION TO USERS OF THE GAMMA KNIFE UNITS UNTIL SUCH TIME AS THE PERMANENT FIX CAN BE INSTALLED. FIELD CHANGE ORDER 200 067 IS THE PERMANENT FIX ISSUES, AND INCLUDES SPECIFIC SERIAL NUMBERS OF MACHINES THAT WERE AFFECTED. AT THIS PARTICULAR SITE, A NEW ACTUATOR WAS INSTALLED AS PART OF THE CORRECTIVE ACTION ASSOCIATED WITH FIELD CHANGE ORDER 200 067. INSTALLATION OF THE NEW ACTUATOR SUCCESSFULLY ADDRESSED THE PROBLEMS SEEN EARLIER.

Description of Event or Problem · 1

WHEN VISITING THE CUSTOMER SITE, IT WAS DISCOVERED THAT THE ACTUATOR, PART NUMBER 1005050, FAILED AFTER BEING PLACED FOR THREE MONTHS.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 LEKSELL GAMMA KNIFE SYSTEM, RADIATION THERAPY, RADIONUCLIDE IWB ELEKTA INSTRUMENT AB

Patients

Seq Age Sex Outcome Treatment
1