METHOD AND AN ASSEMBLY FOR REMOVING AN INTRAOCULAR LENS FROM AN INJECTION MOLDED MOLD HALF

A method and assembly for removing an intraocular lens from an injection molded mold half. With the method and the assembly, first spill ring material is removed from the mold half. Subsequently, the mold/lens-assembly is subjected to an oscillating mechanical load without substantial deformation of...

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Bibliographic Details
Main Authors MAAS, Mitchell Gerardus, BIJNEN, Franciscus Henricus Cornelius Maria, EIJMBERTS, Richard Henricus Christianus, BUGEL, Rob, BIJKER, Martin Dinant
Format Patent
LanguageEnglish
French
German
Published 28.06.2023
Subjects
PERFORMING OPERATIONS
PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:A method and assembly for removing an intraocular lens from an injection molded mold half. With the method and the assembly, first spill ring material is removed from the mold half. Subsequently, the mold/lens-assembly is subjected to an oscillating mechanical load without substantial deformation of at least a part of the mold half that is in direct contact with the lens body. The oscillating mechanical load has an oscillation frequency which is in a range that excites the mold/lens-assembly to break bonds between the intraocular lens and the mold half. After that, a static mechanical push force is exerted on the bottom side of the mold half to at least partly separate the intraocular lens from the mold half.
Bibliography:Application Number: EP20220216125