Mandrel for holding an intraocular lens blank and method of making an intraocular lens using the same
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United States of America Patent
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Mar 20, 2018
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N/A
app pub date -
Apr 22, 2014
filing date -
Apr 24, 2013
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Abstract
A mandrel (300) for holding an intraocular lens blank (200) during manufacturing includes an intraocular lens holding section configured to hold an intraocular lens, the intraocular lens holding section including: a central cavity (310) configured to hold a mounting material (315) such that the mounting material contacts an optic of the intraocular lens blank when the intraocular lens blank is mounted on the mandrel, and a projection (325) extending around a periphery of the central cavity, the projection having an outer wall (330) and an inner wall (335), and the projection being configured such that an outer peripheral edge of the intraocular lens blank extends up to or beyond the projection when the intraocular lens blank is mounted on the mandrel. A second mounting material (320) is deposited in the first trench (340) and then the haptic is milled using e.g. an end mill (365).
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