IMRIS MR/X-ray head fixation device, Model HFD200
Breaking of the HFD200 Drive Knob force indicator due to over-torqueing of the drive knob beyond the maximum allowable pinning force specification may result in the clinical staff unknowingly pinning the patient's skull with insufficient force; the clinical staff unknowingly pinning the patient's skull with excessive force; or the clinical staff identifying the issue and not being able to continue with the procedure.
TN, NH, FL
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=Z-0163-2020