Optical Surface Monitoring System{Align RT Plus} This is used on Varian's TrueBeam EDGE; Radiology: The AlignRT Plus system is indicated for use to position and monitor patients relative to the prescribed treatment isocentre, and to Withhold the beam automatically during radiation delivery.
- Company
- Varian Medical Systems, Inc.
- Recall Initiated
- June 23, 2016
- Posted
- July 11, 2016
- Terminated
- August 24, 2018
- Recall Number
- Z-2150-2016
- Quantity
- 21 AlignRT Plus in US, 1 International.
- Firm Location
- Palo Alto, CA
Reason for Recall
Varian Medical Systems has received reports that unintended changes were made to planned couch parameters, specifically the couch rotation parameter, during patient set-up. This can occur when a user sets a different couch rotation from the plan couch rotation while performing patient alignment with Optical Surface Monitoring System [OSMS].
Distribution
Worldwide Distribution: US (nationwide) and countries of: Austria, Azerbaijan, Brunei Darussalam, Bulgaria, Denmark, Georgia, Germany, India, Italy, Malaysia, Morocco, Norway, Portugal, Switzerland, and United Kingdom.
Lot / Code Info
TrueBeam version 2.0/2.5 with any version OSMS. AlignRT Serial Numbers: 247-0200 247-0209 248-0013 248-0057 248-0070 249-0057 249-0066 249-0163 249-0164 249-0195 249-0226 249-0274 249-0050 249-0286 249-0277 248-0044 249-0227 247-0208 249-0047 247-0218 248-0050 248-0043 248-0048 249-0293 249-0155.
Root Cause
Software design
Action Taken
The firm, Visionrt, sent an "URGENT MEDICAL DEVICE CORRECTION NOTIFICATION-URGENT FIELD SAFETY NOTIFICATION" letter dated June 24, 2016 to all affected customers. Letters describe the product, problem and actions to be taken. The customers were instructed as follows: DO NOT USE the "Move Couch" function if the couch rotation value set in the AlignRT device DOES NOT match the planned couch rotation for the treatment field; retain a copy of this document along with your most current product labeling; pass the letter to all those who need to be aware of it within their organization; always confirm that the patient is correctly aligned prior to commencing treatment; is not required to return their devices; promptly inform Vision RT if they believe that patient harm occurred, and complete Appendix 1- Customer Acknowledgment Response and return it via email to corrections@visionrt.com. Should you have any queries on this letter, please do not hesitate to contact Vision RT by telephone on +44 20 83464300 (866-778-2379 from the US) or as per http://www.visionrt.com/contact/details.