Fig. 3From: The initial CT blend sign is not associated with poor patient outcomes after stereotactic minimally invasive surgeryProcedures for the stereotactic minimally invasive surgery. A Positioning headframe was fixed on the head firstly and then the patient was transferred for CT scan to figure out the coordinates (a-c). Subsequently the arc frame and guider were fixed to the positioning headframe and a transcranial puncture needle was inserted (d-f). Finally, the liquid part of the ICH was aspirated out (g-h)Back to article page