Wade-Dahl-Till valve
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English[edit]
Etymology[edit]
Developed in 1962 by hydraulic engineer Stanley Wade, author Roald Dahl, and neurosurgeon Kenneth Till.
Noun[edit]
Wade-Dahl-Till valve (plural Wade-Dahl-Till valves)
- A kind of cerebral shunt using two metal discs, each in a restrictive housing at the end of a tube, opened and closed by the pressure of fluid.