Fluid drain tube with tissue oxygenation content sensor

A catheter for draining body fluid, the catheter comprising:

• a tube for draining fluid, wherein the tube has an outside surface, an inside surface, a tip and defines a lumen therein, wherein the tip includes at least one opening therein that is in fluid communication with the lumen, at least a first sensor positioned on the outside surface of the tube at a first location, wherein the first sensor is configured to measure the oxygen partial pressure in brain tissue, at least a first wire having a proximal end and a distal end, wherein the distal end is in electrical communication with the first sensor and the proximal is configured to be in electrical communication with a monitor, wherein the tube and the first sensor can be inserted into a single hole in a patient's cranium.