FDA Adverse Event
Malfunction
Summary report: N
NPS-BPS MPS/PPS
MDR report key: 89522
·
Received May 6, 1997
Report
- Report Number
- 1121753-1997-00016
- Event Type
- Malfunction
- Date Received
- May 6, 1997
- Date of Event
- July 6, 1994
- Report Date
- April 16, 1997
- Manufacturer
- NUCLETRON CORP.
- Product Code
- IWB
- Product Problem
- Yes
- Report Source
- Manufacturer report
- Reporter Location
- GM
- Reporter Occupation
- INVALID DATA
Narratives
Description of Event or Problem · 1
FOR SOFTWARE V 8.12, SPECIFIED ACTIVITY IS NOT CORRECT AFTER CHANGING WEIGHTS. THE DWELL WEIGHTS ARE ASSUMED TO BE RELATIVE FACTORS NORMALIZED TO 1. IF, HOWEVER, INSTEAD OF 1 ALL DWELL WEIGHTS ARE CHANGED TO 0.5, THE REFERENCE DOSE RATE IS MULTIPLIED BY 0.5, AND ALL TIMES ARE CORRECTLY MULTIPLIED BY 2. IF ONE OR MORE DWELL WEIGHTS ARE NOW CHANGED, BUT TO THE SAME VALUE (0.5), THE REFERENCE DOSE RATE BASED ON 0.5 IS AGAIN MULTIPLIED BY 0.5.
Devices
| Seq | Brand | Generic | Product Code | Manufacturer | Model | Lot | UDI-DI |
|---|---|---|---|---|---|---|---|
| 1 | NPS-BPS MPS/PPS | RADIOTHERAPY TREATMENT PLANNING SYS | IWB | NUCLETRON CORP. | MPS V 8.12 | * |
Patients
| Seq | Age | Sex | Outcome | Treatment |
|---|---|---|---|---|
| 1 | * | Other |