Patent ID: 11931485
Assignee: nan
Field: Pharmaceuticals (Chemistry)
Classification: CPC A | IPC A

Claim 0:
1. A method of treatment of recurrent headaches and/or trigeminal neuralgia, the method comprising the steps of:
providing a sustained release device that is configured to be implanted in a blood vessel supplying the dura mater in the brain, wherein the sustained release device comprises an anesthetic agent, the sustained release device configured for sustained release of the anesthetic agent in the blood vessel for a prolonged period, wherein the sustained release device comprises a frame, wherein the frame has a helical wire shape and the helical wire shape has a lumen, wherein the frame has an expanded configuration and a collapsed configuration, wherein the frame further comprises strands that extend across the lumen within a loop;
implanting the sustained release device in the blood vessel by receiving the sustained release device in a collapsed form in an arterial microcatheter; and
releasing the collapsed sustained release device into the blood vessel by pushing out of the microcatheter with a microwire, wherein a diameter of the implantable device in the expanded state is no more than 2 mm.