 The proGAV valve was then connected to a Bactiseal distal tubing, which was looped in a cephalad way and then curved towards the left burr hole site and then the Portnoy catheter on the right was secured with a right-angled sleeve and then interposed between it and the left burr hole site with a flushing reservoir. 
The proGAV valve was then connected to a Bactiseal distal tubing , which was looped in a cephalad way and then curved towards the left burr hole site and then the Portnoy catheter on the right was secured with a right - angled sleeve and then interposed between it and the left burr hole site with a flushing reservoir .