A LENTICULE, METHOD OF PREPARATION AND IMPLEMENTATIONS THEREOF

• Main Authors: BHOWMICK, Tuhin, DEY, Namit, AGRAWAL, Parinita, CHOWDHURY, Suvro Kanti, CHANDRU, Arun
• Format: Patent
• Language: English; French
• Published: 12.06.2025
• Subjects: ADDITIVE MANUFACTURING TECHNOLOGY; ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; HUMAN NECESSITIES; HYGIENE; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES; MEDICAL OR VETERINARY SCIENCE; METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL; PERFORMING OPERATIONS; TRANSPORTING

The present disclosure provides a three-dimensional hydrogel prepared using a bioink composition comprising methacrylated hyaluronic acid, methacrylated gelatin, a photoinitiator and a photoabsorber; and a method for preparing the three- dimensional hydrogel or lenticule. The present disclosure further provides a method of treating corneal tissue repair in a subject in need thereof using the three- dimensional hydrogel or lenticule. La présente divulgation concerne un hydrogel tridimensionnel préparé à l'aide d'une composition de bioencre comprenant de l'acide hyaluronique méthacrylé, de la gélatine méthacrylée, un photo-initiateur et un photo-absorbeur ; et un procédé de préparation du lenticule ou de l'hydrogel tridimensionnel. La présente divulgation concerne en outre une méthode de traitement pour réparation de tissu cornéen chez un sujet en ayant besoin à l'aide du lenticule ou de l'hydrogel tridimensionnel.