Surgery – Truss – Perineal
Patent
1989-11-07
1991-02-26
Stone, Cary E.
Surgery
Truss
Perineal
A61F 226
Patent
active
049953800
ABSTRACT:
A penile prosthesis consists of a pair of inflatable penile implants which each having a cylindrical body which contains a hydraulic system including a pressure chamber, a reservoir for pressurizing fluid, and a pump for transferring fluid under pressure to the pressure chamber to make it rigid. Each implant also contains a longitudinally compressible, but radially incompressible bellows in the reservoir which expands when the reservoir is empty and prevents the reservoir wall from collapsing. In one embodiment, a tube extends from the pump in the tip to the reservoir at the rear through the pressure chamber and there is a restricted orifice through which fluid can bleed back into the reservoir from the pressure chamber thus automatically controlling the length of time that the pressure chamber is pressurized and rigid.
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Maerzke James T.
Trick Robert E.
Medical Engineering Corporation
Stone Cary E.
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