A sterile contact lens 3d printing method and device

• Main Authors: Edan Kenig, Arie Oscar Holtz
• Format: Patent
• Language: English; Hebrew
• Published: 01.07.2023
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The present invention relates to a device, for the sterile 3D printing of a contact lens, comprising: (a) at least 0.2 ml of photopolymer resin, which solidifies upon transmission from a light source; (b) a receptacle, for containing said photopolymer resin, having a transparent bottom, for allowing an external light source to transmit light into said device for selectively solidifying part of the photopolymer resin into a solidified polymer layer of said contact lens; (c) a detachable top, for covering said receptacle, with an aperture for allowing the flow of fluids into and out of said device; (d) an elevatable platform, located inside said device, serving as a build plate for the solidified layer(s) of said contact lens and (e) a conduit, attached to said platform and accessible from without said device, for allowing the flow of fluids into and out of said device.