Intraocular lens with retractable leg
First Claim
Patent Images
1. An intraocular lens for placing into the posterior chamber of an eye, comprising(a) a lens body;
- (b) leg means, comprising a plurality of filament-like legs having one end attached to said lens body and a free end, for centering the lens body in the posterior chamber when each of said legs is in an unretracted position, wherein at least one of said legs is capable of moving into said unretracted position from a retracted position in which said leg is closer to the lens body than when in said unretracted position, and(c) means projecting from said lens body for releasably holding said movable leg in said retracted position.
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Accused Products
Abstract
An intraocular lens has a flexible positioning leg which is releasably held in a retracted position by cooperation between the leg and means on the lens body.
64 Citations
25 Claims
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1. An intraocular lens for placing into the posterior chamber of an eye, comprising
(a) a lens body; -
(b) leg means, comprising a plurality of filament-like legs having one end attached to said lens body and a free end, for centering the lens body in the posterior chamber when each of said legs is in an unretracted position, wherein at least one of said legs is capable of moving into said unretracted position from a retracted position in which said leg is closer to the lens body than when in said unretracted position, and (c) means projecting from said lens body for releasably holding said movable leg in said retracted position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. An intraocular lens for placing into the posterior chamber of an eye comprising:
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(a) a lens body; (b) leg means, comprising a plurality of filament-like legs having one end attached to said lens body and a free end for centering the lens body in the posterior chamber when each of said legs is in an unretracted position, wherein at least one of said legs is capable of moving into said unretracted position from a retracted position in which said leg is closer to the lens body than when in said unretracted position; (c) first means projecting from said lens body for releasably holding said movable leg in said retractable position, wherein said first means further comprises a post projecting from the anterior or posterior surface of said lens body for restraining said movable leg by abutment of said leg against the side of said post closer to the center of the lens body; and (d) second means comprising a hole located on the free end of said leg means and a lug projecting from the same surface of said lens body as said first post, wherein said hole and said lug are configured to interlock releasably with each other whereby said first means and said second means are used simultaneously for restraining said movable leg in said retracted position. - View Dependent Claims (23)
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24. An intraocular lens for placing into the posterior chamber of an eye comprising:
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(a) a lens body; (b) leg means, comprising a plurality of filament-like legs having ne end attached to said lens body and a free end for centering the lens body in the posterior chamber when each of said legs is in an unretracted position, wherein at least one of said legs is capable of moving into said unretracted position from a retracted position in which said leg is closer to the lens body than when in said unretracted position; (c) means in said lens body for releasably holding said movable leg in said retractable position in which said means comprises a first post projecting from the anterior or posterior surface of said lens body and a second post projecting from the same surface as said first post, wherein said first post is spaced at a sufficient distance from said second post to allow a section of said movable leg closer to the end attached to said lens body to abut against a side of said first post closer to the center of said lens body and to allow a section of said movable leg closer to the free end to abut against a side of the second post farther from the center of said lens body. - View Dependent Claims (25)
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Specification