Patent ID: 7998128

Claim:
A method for the provisioning and positioning of a flowable material selected from the group consisting of a flowable drug medication material into a region of a patient comprising: identifying a region of a patient to be viewed or treated; identifying a region between the pia and the cortex wherein the region forms a potential volume between two opposed different and distinct tissue surfaces; penetrating at least one of the two opposed different and distinct tissue surfaces selected from the pia and the cortex with a flowable drug medication material delivery device; and providing flowable material from the flowable drug medication material delivery device into the potential volume between the pia and the cortex to create a volume containing at least delivered flowable drug medication material between the at least two different and distinct tissue surfaces; and performing a medical procedure of delivery of the drug medication; wherein the material delivery device forms an at least partial seal around the entire puncture formed by penetration of only one of the at least two opposed different and distinct tissue surfaces; wherein the seal is formed covering a surface area extending away from and entirely around a diameter of the material delivery device immediately adjacent the pia or the cortex.