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US 4,197,840 AGranted
Permanent magnet device for implantation
AssigneeBBC Brown, Boveri & Company, Limited
InventorsAlexander Beck, Jean-Marcel Piffaretti, Dietmar Weinmann
Life of this patent
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Abstract
A permanent magnet device for implantation in the eyelids including at least two magnet bodies enclosed in substantially shape-dependent manner by an enveloping body consisting of a ductile, tissue-compatible material, the enveloping body being substantially gastight and having at least one constriction in the radial direction.
Claims14
A permanent magnet device adapted for implantation in the eyelids comprising:
- at least two magnet bodies;
- at least one spacer arranged between the magnet bodies;
- and
- a separate enveloping body of ductile, tissue-compatible material enclosing and clinging to the magnet bodies, said enveloping body also enclosing said at least one spacer and having at least one constriction in the radial direction located at each of said at least one spacer;
- whereby said magnet device may hold said eyelids in a desired position.
2 more elements
Dependencies are inferred from the claim text.