Canadian data is current through March 2018. All of the data comes from Health Canada, except for the categories Manufacturer Parent Company and Product Classification.
The Parent Company and the Product Classification were added by ICIJ.
The parent company information is based on 2017 public records. The device classification information comes from FDA’s Product Classification by Review Panel, based on matches of recall data from the U.S. and Canada.
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Rapid arc and vvmat treatment may deliver as dynamic arc on incorrectly configured system. under these circumstances dynamic dose rate and gantry speed features as well as avoidance sectors (range of gantry rotation where no dose should be delivered) that may be part of a vmat plan are not recognized and dose delivered does not match the treatment plan.