Northwest Medical Physics Equipment Inc ISOLOC Software Version 6.0, Localization software for determining treatment machine position (to position patients) for high accuracy radiotherapy. Recall
Check Your Product
According to the U.S. Food and Drug Administration (FDA)
Product
ISOLOC Software Version 6.0, Localization software for determining treatment machine position (to position patients) for high accuracy radiotherapy.
Brand
Northwest Medical Physics Equipment Inc
Lot Codes / Batch Numbers
ISOLOC Software Version 6.0, Part Number NT-NW-425-520
Products Sold
ISOLOC Software Version 6.0, Part Number NT-NW-425-520
Northwest Medical Physics Equipment Inc is recalling ISOLOC Software Version 6.0, Localization software for determining treatment machine position (to po due to When ISOLOC version 6.0 was used in the centimeter mode, the display in the couch moves window had a rounding error relative to the Portal Image Marke. Based on FDA medical device recall database.
Summary derived from FDA notice
Reason for Recall
As stated by FDA
When ISOLOC version 6.0 was used in the centimeter mode, the display in the couch moves window had a rounding error relative to the Portal Image Marker window of up to 0.5 mm.
Recommended Action
Per FDA guidance
Software to fix the described problem was written and customers contacted by e-mail on 04/11/2005, that a software patch, titled 04112005, was available to their customers on the firm's internet website.
Verify this information on the official source
For complete details and official instructions, check the U.S. Food and Drug Administration (FDA) directly.
View official FDA recall noticePage updated: Jan 10, 2026