1: History of CSF Shunts; 2: How Shunts Work:; 2.1: CSF fluid dynamics; 2.2: Shunt Valve Mechanics; 2.3: Differential Pressure vs. Flow Control; 3: How Shunts are Made:; 3.1: Shunt Manufacturing; 3.2: Shunt Materials; 3.3: Shunt Testing; 3.4: Predicting Shunt Preformance with Modeling; 4: CSF Shunt Components:; 4.1: Proximal Catheters and Connectors; 4.2: Valves; 4.2.1: Standard differential pressure valves; 4.2.2: externally adjustable differential pressure valves; 4.2.3: flow control valve (Orbis Sigma); 4.2.4: differential pressure siphon reducing devices; 4.2.5: gravity actuated siphon reducing devices; 4.3: Distal Catheters and Valves; 4.4: Aids to Shunt Insertion; 5: Shunt Complications:; 5.1: Mechanical failure; 5.1.1: Incidence of Failure; 5.1.2: Analysis of Specific Shunt Mechanical Complications; 5.1.3: Lumboperitoneal Shunts; 5.1.4: Siphon reducing devices; 5.2: Shunt Infection; 5.3: Investigating Shunt Complications; 6: Choosing and Implanting a Shunt