| 摘要 |
A deflation valve for blood pressure measuring devices having a valve body with a threaded extension surrounded by concentric outlet grooves for slow-deflation and dumping purposes, respectively, in an outwardly facing flat valve seat covered by a flexible valve disc. The valve disc, clamped fast on its inner periphery and held against the valve seat by a spring, has attached to it a sleeve-like control member which can be operated at any point on its periphery by a hand holding the inflation bulb to which the valve is attached.
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