Cl ll Varian brand C-series

Company: Varian Medical Systems Inc.
Date of Enforcement Report 1/19/2011
Class ll:

Varian brand C-series Clinac, Trilogy and Novalis Tx, Software Versions 6.X and 7.X, Model Numbers: H14, H27, H29, HCX. The Trilogy Radiotherapy Delivery System is a radiation therapy accelerator intended to deliver megavoltage x-ray treatments for conventional radiotherapy (three dimensional conformal radiotherapy and intensity modulated radiotherapy) and stereotactic radiosurgery and radiotherapy. Stereotactic treatments are intended for therapy of lesions, e.g., arteriovenous malformations, primary tumors and metastases. Stereotactic treatments may be intracranial or extra cranial and consist of single-session or fractionated delivery. Recall # Z-0886-2011

The Auto goto or Auto setup functions in C-Series version 7 software ignore the couch angle and exceed motion zone (unless a tolerance is defined by the user); it has the potential for collision with the patient on the couch.

Varian Medical Systems, Inc. Oncology Systems, Palo Alto, CA, by letter on May 27, 2010, and web site posting. Firm initiated recall is ongoing.


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About the author

Amy enjoys researching and writing about developments in medical technology and how that intersects with US law. She received her J.D. from the University of Florida Levin College of Law in 2020 and now works as a Regulatory Associate for SoftwareCPR®, a general-purpose regulatory consulting firm that is recognized globally for their expertise with standards and national regulations pertaining to medical device, mobile medical app, and HealthIT software.

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