Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Breast prosthesis – Implantable
Patent
1985-01-24
1987-01-13
Apley, Richard J.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Breast prosthesis
Implantable
128 1R, A61F 212
Patent
active
046362134
ABSTRACT:
A prosthesis for permanent implantation at a selected body location to establish a desired body contour has particular utility and advantages as a mammary implant. It comprises an outer medical grade elastomer closed envelope having a built-in anterior self-sealing valve and an inner like envelope secured to the posterior of the outer envelope and having an anterior injection receiving area with a self-sealing capability secured in a fixed position of registration to the self-sealing valve. A viscous gel is provided intermediate the envelopes for lubrication to minimize or eliminate the incidence of spontaneous rupture. Selected materials are percutaneously injected into or withdrawn from the inner envelope through the registering injection receiving area and the valve with radiopaque indicia associated with the valve to delineate precisely the perimeter of the valve and the precise center thereof for accurate identification from outside the body by means of X-ray or ultrasound whereby the needle can be inserted at an accurate perpendicular attitude to the valve to eliminate the danger of piercing the envelope wall. In a second embodiment, a self-sealing capability is provided only in the valve and in a third embodiment, only a single envelope is used.
REFERENCES:
patent: 3919724 (1975-11-01), Sanders
patent: 3922726 (1975-12-01), Trentani et al.
patent: 4178643 (1979-12-01), Cox
patent: 4224698 (1980-09-01), Hopson
patent: 4253201 (1981-03-01), Ross et al.
patent: 4428364 (1984-01-01), Bartolo
Adler Morton S.
Apley Richard J.
Isabella David J.
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