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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As part of commissioning the treatment planning system the user is required to obtain and enter the ct number to relative electron density and ct number to mass density calibration curves for a given ct scanner. if the electron density values are empty the calculation of radiation dose in the patient will be modeled as air - like density material rather than the correct density. by using this incorrect model plans saved and created as deliverable will display a radiation dose that is incorrect.