Varian brand Varian 52-leaf Standard MLC multileaf collimator; Reference/FSCA Identifier: CP-04792; Model Number(s): All models, including H52, H54, H56, HHM; Product is manufactured and distributed by Varian Medical Systems Inc., Palo Alto, CA. The Multileaf Collimator is intended to assist the Radiation Oncologist in the delivery of radiation to well defined target volumes while sparing surrounding normal tissue and critical organs from excess radiation.
FDA Recall Z-1090-2012 · Posted 2012-02-23
Recalling FirmVarian Medical Systems, Inc. Oncology Systems
Recall StatusTerminated
Product CodeIYE
Date Initiated2012-01-16
Date Terminated2012-07-26
Reason for Recall
When using the Standard and Millennium 52-leaf MLC multi-leaf collimators for beam shaping, under specific treatment conditions, dose may be delivered outside of the intended treatment field that exceed the expected transmission dose.
Firm Action
Varian Medical Systems sent an "URGENT MEDICAL DEVICE CORRECTION" letter dated January 16, 2012 to all affected customers. The letter describes the product, problem, and actions to be taken by the customers. The letter provides recommended actions when planning and treating dynamic fields on the 52 leaf MLCs. Contact the Help Desk at 1-888-827-4265 for questions regarding this recall.
Root Cause
Device Design
Distribution Pattern
Worldwide Distribution-USA (nationwide) including Puerto Rico and the countries of Canada, China, Austria, Belgium, Denmark, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Spain, Sweden, Switzerland, United Kingdom, Singapore, Bahrain, Egypt, Hong Kong, India, Indonesia, Israel, Malaysia, Morocco, Nepal, South Africa, South Korea, Taiwan, Turkey, Ukraine, United Arab Emirates, Japan, Brazil, Chile, Colombia, Mexico, Panama, Venezuela, Saudi Arabia, and Australia.
Related FDA 510(k) Records
Devices referenced by this recall via K-numbers.
Official Source
View FDA Recall →Source: FDA Enforcement Report / Recall database. Always confirm against the official FDA record.