FDA Medical Device Recalls (openFDA)
Northwest Medical Physics Equipment Inc: ISOLOC Software Versions 6.0 and 4.2. Part Number NT-NW-425-520. Image guided radiotherapy treatment software.
- Recall number
- Z-1152-2007
- Recalling firm
- Northwest Medical Physics Equipment Inc
- Product
- ISOLOC Software Versions 6.0 and 4.2. Part Number NT-NW-425-520. Image guided radiotherapy treatment software.
- Status
- Terminated
- Initiated
- 2005-04-28
- Posted
- 2007-08-08
- Terminated
- 2011-04-20
- Reason
- When ISOLOC version 6.0 and 4.2 distance unit is set to centimeter, the localization coordinates were rounded to the nearest millimeter which could affect positioning by 0.5 mm.
- Root cause
- Software design
- Action
- Software to fix the described problems was written and customers contacted by e-mail on 04/28/2005, that a software patch, titled 04282005, was available on the firm's internet website.
- Quantity
- 84
- Distribution
- Worldwide, including USA, Korea, Spain, and UK.
- Lot, serial or model codes
- ISOLOC Software Versions 6.0 & 4.2 Part Number NT-NW-425-520
- 510(k) numbers
- ["K904908"]
- PMA numbers
- not on file
- Product code
- IYE
- Firm FEI
- 1000126033
- Firm city
- Everett
- Firm state
- WA
- Firm country
- not on file
Where this comes from
- Register
- FDA Medical Device Recalls (openFDA)
- Publisher
- U.S. Food and Drug Administration (openFDA)
- File
- device-recall-0001-of-0001.json.zip
- sha256
- b87518bfe2e8
- Size
- 288210821 bytes
- Published
- 2026-09-28
- Read
- 2026-09-29T08:25:23.626Z
- Source file
- Source file retained · verify
- Refresh due
- 2026-10-06
Unless otherwise noted, the content, data, documentation, code, and related materials on openFDA is public domain and made available with a Creative Commons CC0 1.0 Universal dedication.
Cite as
FDA Medical Device Recalls (openFDA) (U.S. Food and Drug Administration (openFDA)), device-recall-0001-of-0001.json.zip, sha256 b87518bfe2e8, published 2026-09-28