Recall of Device Recall Coherence AG Therapist

According to U.S. Food and Drug Administration, this recall involved a device in United States that was produced by Siemens Medical Solutions USA, Inc.

What is this?

A correction or removal action taken by a manufacturer to address a problem with a medical device. Recalls occur when a medical device is defective, when it could be a risk to health, or when it is both defective and a risk to health.

Learn more about the data here
  • Type of Event
  • Event ID
  • Event Risk Class
    Class 2
  • Event Number
  • Event Initiated Date
  • Event Date Posted
  • Event Status
  • Event Country
  • Event Terminated Date
  • Event Source
  • Event Source URL
  • Notes / Alerts
    U.S. data is current through June 2018. All of the data comes from the U.S. Food and Drug Administration, except for the category Manufacturer Parent Company.
    The Parent Company was added by ICIJ.
    The parent company information is based on 2017 public records.
  • Extra notes in the data
    Medical Linear Accelerator - Product Code IYE
  • Reason
    Flat panel positioning calibration could be off by as much as 4 mm without the machine discovering detail.
  • Action
    Service calibration inspection/correction Update instructions TH038/07/S was issued on 11/06/2007 to all customers. The instructions identified the affected products, stated the reason for the update, and listed the steps to update the software. Customer notification was also issued. Software patch planned for release in June 2008.


  • Model / Serial
    Serial numbers associated with RTT2.0 and RTT2.1
  • Product Classification
  • Device Class
  • Implanted device?
  • Distribution
    Worldwide Distribution
  • Product Description
    Coherence AG Therapist Part number 5863506, equipped with a Coherence Therapist R2.0 or R2.1, and PRIMEVIEW 3iR2.0 or R2.1 || Medical charged-particle radiation therapy system.
  • Manufacturer


  • Manufacturer Address
    Siemens Medical Solutions USA, Inc, 4040 Nelson Ave, Concord CA 94520-1200
  • Source