Pressure-responsive lockout valve and method of use

Details Pressure-responsive lockout valve and method of use Pressure-responsive lockout valve and method of use

1996-07-29

1998-12-22

Lacyk, John P.

Surgery

Sexual appliance

Male splint

A61F 226

Patent

active

058511768

ABSTRACT:
A lockout valve for an inflatable penile prosthesis which responds to internal fluid pressure. The lockout valve comprises a housing having inlet and outlet ports, an interior chamber, an apertured valve seat, and a poppet biased toward the closed position. The inlet communicates with the prosthesis reservoir, and the outlet communicates with the interior chamber and the prosthesis pump. The housing includes a flexible diaphragm which moves toward the poppet when flexed inwardly.
Fluid pressure through the inlet port urges the poppet into sealing engagement against the valve seat, therefore closing the lockout valve. Negative fluid pressure applied to the interior chamber from the outlet port (when the pump is actuated) causes the diaphragm to flex inwardly and contact the poppet to open the valve. The lockout valve operates like a check valve when subject to reverse flow.

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