LEKSELL GAMMA KNIFE
Report
- Report Number
- 9612186-2008-00007
- Event Type
- Malfunction
- Date Received
- May 29, 2008
- Date of Event
- February 19, 2008
- Report Date
- May 28, 2008
- Manufacturer
- ELEKTA INSTRUMENT AB
- Product Code
- IWB
- Product Problem
- Yes
- Report Source
- Manufacturer report
- Reporter Location
- KS
- Reporter Occupation
- UNKNOWN
Narratives
INVESTIGATION RESULTS: ACTUATOR MFR MADE UNAUTHORIZED COMPONENT MATERIAL CHANGE RESULTING IN COMPONENT FAILURE DURING USE. COMPONENT MATERIAL HAS BEEN CORRECTED BY SUBCONTRACTOR, AND NEW COMPONENT REPLACEMENT INITIATED (SEE BELOW). 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 DURING THE EARLIER INSTALLATION.
THE ACTUATOR SUPPLIED WITH FIELD CHANGE ORDER 0000748, PART NUMBER 1005050, BROKE IN TWO DURING INSTALLATION.
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 |