A simple multi-purpose cannula system for access to the brain and/or systemic vascular system of unanesthetized...

By utilizing a pedestal system mounted on the skull containing a cerebral guide cannula with hub, and a vascular catheter which is exteriorized within the pedestal, an easily made, multi-purpose system has been developed using materials which are available from any scientific or medical supplier. This technique is adaptable for use in a wide variety of animal species and can be used in unanesthetized or anesthetized preparations.