ACUITY CONEBEAM COMPUTED TOMOGRAPHY
Report
- Report Number
- 8020711-2007-00010
- Event Type
- Malfunction
- Date Received
- January 24, 2008
- Date of Event
- August 22, 2007
- Report Date
- August 22, 2007
- Manufacturer
- VARIAN MEDICAL SYSTEMS
- Product Code
- KPQ
- PMA / PMN Number
- K033339
- Product Problem
- Yes
- Report Source
- Manufacturer report
- Reporter Location
- GM
- Reporter Occupation
- PHYSICIAN
Narratives
METHOD: A DEVICE FROM SAME LOT OF THE ACTUAL DEVICE INVOLVED IN INCIDENT WAS EVALUATED. DEVICE EVALUATED WITH RESPECT TO OPERATIONAL ENVIRONMENT. VARIAN VERIFIED AND CONFIRMED THE PROBLEM USING A DEMO SYSTEM. RESULTS: THE IMAGE ORIENTATION TAG IN CBCT SLICES (DICOM EXPORT IN CBCT APPLICATION) ARE NOT SET APPROPRIATELY AND RESULT IN A FAILURE TO IMPORT CT SLICES IN ANY SYSTEM (E.G. ECLIPSE OR THIRD PARTY SYSTEMS). ONLY CT SCANS WITH A PT ORIENTATION HEAD FIRST - SUPINE (HFS) ARE IMPORTED CORRECTLY. BECAUSE OF THIS SOFTWARE ANOMALY, WHEN OTHER ORIENTATIONS ARE IMAGED, THE IMAGE WILL BE "MIRRORED" WHEN IMPORTED INTO ECLIPSE OR OTHER APPLICATIONS. IMPORT OF NON HFS CBCT SCANS INTO ANY PLANNING SYSTEM REFLECTS INCORRECT IMAGE ORIENTATION, (ROTATED OR MIRRORED VIEWS) WHICH MAY RESULT IN IMPROPER PLANNING AND LEAD TO A POTENTIAL MISADMINISTRATION. CONCLUSION: CUSTOMERS USING ON-BOARD-IMAGING FOR PLANNING WITH CBCT SCANS IS NOT AN INTENDED USE CASE. IF USED FOR PLANNING, THE COMPARISON OF A MIRRORED CBCT IMAGE FROM OBI VERSUS A REFERENCE IMAGE SUCH AS CT SCAN WOULD IDENTIFY THE INCORRECT ORIENTATION. THEREFORE, THE SOFTWARE ANOMALY DOES NOT POSE A SIGNIFICANT HAZARD. HOWEVER, CUSTOMERS USING ACUITY, PLANNING WITH CBCT SCANS IS AN INTENDED USE CASE AND PRESENTS A POTENTIAL RISK FOR MISADMINISTRATION BECAUSE OF THE INCORRECT IMAGE ORIENTATION FOR NON-HFS SCANS. A PRODUCT NOTIFICATION LETTER WILL BE SENT TO AFFECTED CUSTOMERS. ALL CORRECTIVE ACTION WILL BE REPORTED UNDER THE GUIDELINES ANTICIPATED.
A VARIAN CUSTOMER REPORTS "WHEN SCANNING PATIENTS IN THE PRONE POSITION FOR PLANNING, THE TAG IS DISPLAYED INCORRECTLY. ALL ACUITIES WITH CBCT 2.0.11 SP2 (NLS OR NOT) HAVE THE PROBLEM. ONLY HFS SHOULD CURRENTLY BE USED FOR ACUITY CBCT 2.0.11 SP2."
Devices
| Seq | Brand | Generic | Product Code | Manufacturer | Model | Lot | UDI-DI |
|---|---|---|---|---|---|---|---|
| 1 | ACUITY CONEBEAM COMPUTED TOMOGRAPHY | ACUITY CBCT | KPQ | VARIAN MEDICAL SYSTEMS |
Patients
| Seq | Age | Sex | Outcome | Treatment |
|---|---|---|---|---|
| 1 | Other |