MUMBAI, India, June 22 -- Intellectual Property India has published a patent application (202621050215 A) filed by Rishiraj College Of Dental Sciences And Research Centre on April 20, 2026, for A System And Device For Thermo-Regulated Pressure-Controlled Anatomically Adaptive Extrusion Of Thermoplastic Impression Material.
Inventors include Dr. Garima Nichlani; Dr. Shweta Parmar; Dr. Ambika Shrivastava; Dr. Khushboo Verma; Dr. Gs Chandu; Dr. Siddharth Gupta; Dr. Mohd. Faisal Khan; and Dr. Brajendra Singh Tomar.
The application for the patent was published on June 12, 2026, under issue no. 24/2026.
Abstract: ABSTRACT A SYSTEM AND DEVICE FOR THERMO-REGULATED PRESSURE-CONTROLLED ANATOMICALLY ADAPTIVE EXTRUSION OF THERMOPLASTIC IMPRESSION MATERIAL The present invention relates to a thermo-regulated, pressure-controlled, and anatomically adaptive extrusion system for delivering thermoplastic impression material during dental border moulding procedures. The system comprises a thermally conductive, heat-retentive barrel configured to uniformly soften the thermoplastic material within a predefined temperature range, a temperature regulation and indication mechanism for monitoring optimal working conditions, and a pressure-controlled plunger assembly for providing consistent extrusion force. An anatomically adaptive nozzle system with interchangeable nozzle tips of predefined geometries and angulations enables precise and region-specific application along maxillary and mandibular borders. An internal flow pathway ensures laminar movement of the material, while flow-control and anti-drip features regulate discharge and minimize wastage. The device is reusable, autoclavable, and ergonomically designed with an insulated handle for safe handling. Fig.3
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