FDA recall record

SIEMENS brand ONCOR series Linear Accelerator Linac systems with component: any photon recall — FDA Z-0437-2014

A safety risk regarding a potentially existing dark current radiation phenomenon on the Linear Accelerator (LINAC) in combination with IMRT or mARC…

Class IIclassification
Z-0437-2014official record ID
Dec 11, 2013report date

Recall record at a glance

Official recordZ-0437-2014
CategoryMedical Device Recalls
ClassificationClass II
FDA record statusTerminated
Recalling firmSiemens Medical Solutions USA, Inc.
Report dateDec 11, 2013
Recall initiation dateOct 23, 2013
Quantity3 units
LocationMartinez, CA, United States

Official product description

SIEMENS brand ONCOR series Linear Accelerator Linac systems with component: any photon unflat beam option(Multiple X feature) in combination with the IMRT or mARC option. A family of linear accelerator systems is to deliver X-ray photon and electron radiation for the therapeutic treatment of cancer. The ARTISTE/ONCOR systems are manufactured by: SIEMENS AG, MEDICAL SOLUTIONS, GERMANY and distributed SIEMENS Healthcare IM CR RO, CR  Radiation Oncology, Martinez, CA.

Why the product was recalled

A safety risk regarding a potentially existing dark current radiation phenomenon on the Linear Accelerator (LINAC) in combination with IMRT or mARC (rotational IMRT) treatments using unflat (flattening filter free) beams. In case there are many long periods of field shape changes in a treatment plan, the dose due to dark current radiation may sum up to a significant value.

Distribution information

Worldwide Distribution: USA (nationwide) including states of: FL, NC, NY, PA, TN, UT, and WI; and countries of: Angola, Brazil, Canada, P.R. China, Germany, India, Japan, Republic Korea, Poland, and Thailand.

How to read the classification

FDA Class II indicates a situation in which use of or exposure to the product may cause temporary or medically reversible adverse health consequences, or where the probability of serious consequences is remote. The classification shown here comes from the FDA record.

Additional record details

Recall type: Voluntary: Firm initiated. Initial notification: Letter.

What to do next

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