Patent ID: 9492657
Filing Date: 2016-11-15
CPC Classification: A61N

Claim Text:
1. A method comprising: introducing an implantable medical device into subcutaneous tissue below a scalp of a patient, the implantable medical device defining an outer surface and comprising a stimulation electrode extending at least partially around the outer surface, the implantable medical device being configured to deliver electrical stimulation therapy to the patient; guiding the implantable medical device to a target tissue site within the subcutaneous tissue proximate to at least one of an occipital nerve or a trigeminal nerve of the patient, wherein the target tissue site is selected such that delivery of electrical stimulation therapy by the implantable medical device to the target tissue site results in delivery of electrical stimulation therapy to the at least one of the occipital nerve or the trigeminal nerve; and actively deploying a fixation element attached to the implantable medical device, wherein the fixation element is actively deployable from a first shape to a second shape that is configured to engage with tissue at the target tissue site in order to resist substantial movement of the implantable medical device from the target tissue site, wherein the fixation element extends from the outer surface of the implantable medical device when the fixation element is in the second shape, and wherein the fixation element comprises wire formed from at least one of an elastic material or a shape memory material.