 At this point, the Murphy ball was passed into the foramen of L5 and this was patent and also into the foramen of S1 by passing ventral and dorsal to the nerve root and there were no obstructions in the passage of the device. 
At this point , the Murphy ball was passed into the foramen of L5 and this was patent and also into the foramen of S1 by passing ventral and dorsal to the nerve root and there were no obstructions in the passage of the device .