Patent ID: 9233237
Filing Date: 2016-01-12
CPC Classification: A61B,A61M

Claim Text:
1. A method for treating a brain of a subject, comprising: implanting a fluid exchange device in a subdural or subarachnoid space of the brain, the fluid exchange device comprising a body portion sized and shaped for placement entirely within the subdural or subarachnoid space, an inlet opening extending through the body portion to a first fluid exchange port, and an outlet opening extending through the body portion to the first fluid exchange port; implanting a fluid delivery/withdrawal device at a location in the subject's body remote from a first target area of the subdural or subarachnoid space, the first fluid delivery/withdrawal device including a delivery lumen coupled to the inlet opening and an outlet lumen coupled to the outlet opening, the fluid delivery/withdrawal device being coupled to a source of a first fluid; and operating a control unit to administer the first fluid to the first target area via the inlet opening and withdraw fluid from the first target area at predetermined periodic intervals and volumes, wherein the intervals and volumes are selected by the control unit to reduce accumulation of inflammatory host responses in the target area.