Patent ID: 8821476

Claim:
A method, comprising: introducing a catheter device into a splenic artery, the catheter device including an inner catheter, a first expandable occlusion element coupled to the inner catheter, an outer catheter defining a first lumen configured to introduce a therapeutic agent to one or more target pancreatic arteries, a second lumen configured to slidably receive at least a portion of the inner catheter, and a second expandable occlusion element coupled to the outer catheter and disposed proximally to the first occlusion element, advancing the catheter device to a target pancreatic portion of the splenic artery; selectively isolating a region of the target pancreatic portion of the splenic artery; confirming isolation of at least one of a pancreatic magnum artery and a dorsal pancreatic artery; and injecting the therapeutic agent into the isolated region.