External prothesis with magnetic field

Details External prothesis with magnetic field External prothesis with magnetic field

1987-02-05

1988-05-10

Apley, Richard J.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Leg

Socket holder

623 16, A61F 278

Patent

active

047432640

ABSTRACT:
Disclosed is an external prosthesis with a magnetically transmissive/receptive layer for use with an internal prosthesis attachable to the stump of a residual limb. The external prosthesis comprises a synthetic body member having a concave socket formed at an end thereof. The socket is sized to receive the stump of a residual limb with an internal prosthesis installed. The socket has disposed on its concave external surface a magnetically transmissive/receptive layer. Magnetic attraction between the magnetically transmissive/receptive layer and the magnetically attractive internal prosthesis will ensure a secure and non-slip installation of the external prosthesis on the residual limb of the user. The external prosthesis may further comprise a pressure deformable layer disposed atop, beneath or within the magnetically transmissive/receptive layer, or provide alternating pressure through breaking and re-establishing magnetic attraction as would occur through interrupting an electromagnetic force to its recipient.

REFERENCES:
patent: 2578019 (1951-12-01), Ryan
patent: 3889301 (1975-06-01), Bonner
patent: 4128903 (1978-12-01), Maush
patent: 4547912 (1985-10-01), Sherva-Parker

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