Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1985-02-19
1986-05-20
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
138 43, 251215, A61M 5005
Patent
active
045898723
ABSTRACT:
A flow regulator for use in medical apparatus for quickly adjusting the flow of fluid in which there are coacting male and female threads for adjusting the position of the flow regulating device, a female threaded portion being yieldable. The position of the flow regulating device can be rapidly changed in either direction by exerting pressure on the valve stem to force the yieldable threaded portion outwardly to enable the threads of the male portion to pass over the threads of the female portion. The portion of the flow regulating device can be adjusted more precisely by turning the valve stem in the conventional manner to cause forward or reverse movement of the flow regulating device. The yieldable female threaded portion can either be integral with the main valve body but yieldable with respect thereto, or the yieldable portion may be a separate member yieldably secured to the main valve body by a spring clip or by an elastic band. Sealing means is disposed between the flow regulating device and the threaded portions to prevent the escape of fluid through the threaded portions.
The provision of such a yieldable female threaded portion which extends only over a portion of the periphery of the valve body not only has the advantage of enabling quick adjustment of the flow regulating device, but it also enables the valve body to be molded more readily.
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Renken, IBM Technical Disclosure Bulletin, vol. 17, No. 11, Apr. 1975.
Bellin Matthew E.
Marino, Jr. Joseph A.
Smith, Jr. Jerome R.
Yasko John D.
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