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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It was observed that during operation particles can break away from the diamond burr and fall into the situs. if the particles are not detected after breaking away and are not removed from the wound the particles can remain to a certain extent in the patient's body.