MUMBAI, India, Aug. 10 -- Intellectual Property India has published a patent application (202641085484 A) filed by Chennai Institute Of Technology on July 13, 2026, for 3d Printed Gyroid Lattice Orthopedic Heel Cushion.
Inventors include Mr Murugan V; Niranjana N; and Dr. V. Dhinakaran.
The application for the patent was published on July 31, 2026, under issue no. 31/2026.
Abstract: ABSTRACT TITLE; 3D PRINTED GYROID LATTICE ORTHOPEDIC HEEL CUSHION 10 15 20 5 - .The titled invention discloses.an orthopedic heel cushion_(1) faWcated as a monolithic___ structure using Thermoplastic Polyurethane (TPU) through a three-dimensional (3D) printing process. The orthopedic heel cushion (1) comprises an upper solid layer (3), a topology-optimized gyroid lattice core (2) defining a gyroid lattice thickness region (7), and a lower solid layer (4) arranged to provide a total thickness of 12 mm, wherein the gyroid lattice thickness region (7) has a thickness of 8 mm and functions as an isotropic shock-absorbing structure. The orthopedic heel cushion (1) further comprises an ergonomic heel arc contour (5) configured to conform to the natural anatomy of the human heel, a plurality of therapeutic massage points (6) having diameters of 15 mm, 10 mm, and 5 mm arranged in a central-to-peripheral gradient, an anti-slip/selfadhesive contact surface (8) configured to securely retain the heel cushion within footwear, and a customizable lattice-density zone (9) configured to vary the internal lattice density according to a user's body weight and plantar pressure distribution. The integrated structure provides enhanced cushioning, isotropic shock absorption, pressure redistribution, therapeutic stimulation, structural durability, and long-term orthopedic support while maintaining a lightweight profile suitable for formal, athletic, and casual footwear.
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