Implantable medical device for use with or having recording electrode

A burr hole device comprising:

• a body comprising a flange portion adapted to be disposed on a surface of a skull adjacent to a burr hole in the skull of a subject, the flange portion having a first surface and a second surface opposite the first surface;
• a lower portion configured to be placed within the burr hole, the lower portion having a tubular portion and a third surface disposed along a bottom surface of the tubular portion, the lower portion configured to be placed within the burr hole;
• and
• a lumen extending from the first surface to the third surface, wherein the lumen is configured to receive a catheter configured to allow fluid to flow to or from a brain of the subject,
• wherein the flange portion defines a top groove along the first surface, the top groove extending from the lumen towards a lateral edge of the flange portion to receive the catheter,
• wherein the body further defines a cable groove comprising a first groove portion extending from a lateral edge of the second surface towards the lumen, a second groove portion along an outer surface of the tubular portion and a third groove portion extending from a lateral edge of the third surface towards the lumen, and
• wherein the cable groove is configured to receive a cable.