Fluent material handling – with receiver or receiver coacting mea – Diverse fluid containing pressure filling systems involving... – Filling with exhausting the receiver
Patent
1986-12-15
1988-02-23
Bell, Jr., Houston S.
Fluent material handling, with receiver or receiver coacting mea
Diverse fluid containing pressure filling systems involving...
Filling with exhausting the receiver
128DIG25, 623 14, B65B 304
Patent
active
047264047
ABSTRACT:
A combination container and air removal fixture for easily and precisely filling an implantable hydraulic device with a continuous air-free supply of hydraulic fluid. In accordance with a preferred embodiment, the hydraulic device is an elastofluidic prosthetic sphincter and the fluid is a radio-opaque fluid. A premixed and pre-proportioned supply of hydraulic fluid is contained within each of a plurality of gas-fluid exchange chambers. A hollow occlusion cuff and at least one reservoir-actuator of the prosthetic sphincter are placed in fluid communication with respective exchange chambers. When the occlusion cuff and actuator are compressed, associated pistons are moved outwardly through the exchange chambers, whereby fluid containing entrapped air is withdrawn from the cuff and the actuator and removed to the chambers. When the pistons are moved inwardly through the exchange chambers, air-free fluid is forced from the chambers and delivered to the occlusion cuff and the actuator to replace the air that was previously withdrawn.
REFERENCES:
patent: 3111145 (1963-11-01), Kerns
patent: 3935883 (1976-02-01), Stach
Foster Clark B.
Haber Terry M.
Bell, Jr. Houston S.
Fischer Morland C.
Habley Medical Technology Corporation
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