Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Breast prosthesis – Implantable
Patent
1986-12-18
1988-09-27
Apley, Richard J.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Breast prosthesis
Implantable
128325, 600 31, A61F 212, A61B 1712, A61B 1900
Patent
active
047739088
ABSTRACT:
An inflatable implant for use in human breast reconstruction includes at least one and preferably two chambers. The chambers are defined by a flexible membrane or lumen and include valves which are adapted to have a singular flexible filling tube passed therethrough for filling the inner chamber.
A dual chambered device includes a viscous gel in the outer chamber. This viscous gel is in contact with the valves and sealingly cooperates with the valves and the filling tube.
The implant also includes at least one valve having a short semi-rigid tube surrounding an opening and extending inwardly of the membrane, i.e. into the chamber. And the filling tube comprises a soft and flexible length of tubing and a solid portion at a distal end thereof. This solid portion has an outer diameter which is slightly larger than the inner diameter of the semi-rigid tube and is stretchable longitudinally to reduce its outer diameter to facilitate passage through the semi-rigid tube. And the solid portion is adapted to sealingly engage the semi-rigid tube upon relaxation thereof.
REFERENCES:
patent: 3220729 (1965-11-01), Whittington
patent: 4085757 (1978-04-01), Pevsner
patent: 4095295 (1978-06-01), Lake
patent: 4263682 (1981-04-01), Bejarano
patent: 4298997 (1981-11-01), Rybka
patent: 4441495 (1984-04-01), Hicswa
patent: 4643733 (1987-02-01), Becker
Apley Richard J.
Isabella David J.
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