MUMBAI, India, June 30 -- Intellectual Property India has published a patent application (202641073070 A) filed by Saveetha Institute Of Medical And Technical Sciences on June 12, 2026, for Duo Tip.
Inventors include Krrish; Manish Ranjan; and Deepak Nallaswamy Veeraiyan.
The application for the patent was published on June 26, 2026, under issue no. 26/2026.
Abstract: ABSTRACT The present invention discloses a dual-ended interchangeable modular dental instrument, designated the DuoTip, designed to consolidate the functionalities of multiple condensing and carving dental instruments into a single customizable device. The instrument comprises an elongated central handle featuring two oppositely positioned threaded receptacle slots, each capable of accepting a variety of screw-on interchangeable tips. The condensing tip category includes the cylindrical condenser, parallelogram condenser, ball burnisher, and cone burnisher, all used for adapting, smoothing, and contouring restorative materials within prepared cavities. The carving tip category includes two varieties of diamond carvers, two varieties of Hollenback carvers, and two varieties of spoon excavators, used for precise anatomical sculpting and removal of excess restorative material. The central handle is ergonomically designed with a knurled textured surface providing superior grip, control, and stability during clinical procedures. The entire instrument, including all interchangeable tips, is fabricated from high-grade corrosion-resistant stainless steel, ensuring full biocompatibility and compatibility with standard autoclave sterilization protocols. The DuoTip significantly reduces chairside time, minimizes instrument clutter, improves workflow continuity, and provides unparalleled customizability to accommodate the specific demands of each individual restorative case. BACKGROUND OF THE INVENTION Restorative dentistry involves a series of sequential procedural phases including cavity preparation, material placement, condensation, and carving or finishing. Each of these phases traditionally requires the use of dedicated individual instruments optimized for that specific function. Condensing instruments such as the cylindrical condenser and parallelogram condenser are used to pack and adapt restorative materials into prepared cavities, while burnishing instruments including the ball burnisher and cone burnisher are used to smooth and contour placed material against cavity walls and occlusal surfaces. Carving instruments, including diamond carvers, Hollenback carvers, and spoon excavators, are used to sculpt restorative materials into anatomically accurate forms, remove excess material, and refine occlusal contacts and interproximal contours. In current clinical practice, each of these instruments exists as a separate, single-function device. This necessitates repeated instrument exchanges during restorative procedures, which disrupts workflow, prolongs procedural time, and increases the number of instruments requiring sterilization and management. Furthermore, maintaining an extensive array of individual instruments contributes to cluttered instrument trays, increased sterilization burden, and greater operational costs for dental practices. There exists a clear and significant need for an integrated, modular instrument solution that enables clinicians to seamlessly transition between condensing and carving functions without sacrificing procedural precision, ergonomic control, or sterility standards. The present invention addresses these shortcomings comprehensively through the development of the DuoTip — a fully modular, dual-ended, interchangeable dental instrument system. OBJECTIVES OF THE INVENTION Primary Objective: To develop a dual-ended interchangeable modular dental instrument that accommodates both condensing and carving instrument tips within a single ergonomic unit, thereby enhancing clinical efficiency, customizability, and procedural precision across restorative dental procedures. Secondary Objectives: • To reduce the total number of individual instruments required during restorative procedures by providing a modular tip system compatible with both condensing and carving instrument categories. • To minimize chairside time and improve workflow continuity by enabling rapid tip exchange without the need for a separate instrument handle. • To enhance ergonomic handling through a centrally positioned, knurled-grip stainless steel handle designed for precision control and reduced operator fatigue. • To -improve clinical customizability by allowing practitioners to configure the instrument with any desired combination of tips suited to the specific requirements of each individual case. • To simplify sterilization and instrument management by reducing the overall instrument count and providing a fully stainless steel, autoclave-compatible modular system. • To improve accuracy in condensation, contouring, marginal adaptation, carving, and anatomical sculpting of restorative materials through purpose-designed interchangeable tips. SUMMARY OF THE INVENTION The present invention introduces the DuoTip, a dual-ended interchangeable modular dental instrument engineered to integrate the functionalities of multiple condensing and carving instruments into a single ergonomic, customizable device. The instrument consists of a centrally positioned elongated handle with two oppositely oriented threaded receptacle slots, each designed to receive and securely retain a screw-on interchangeable dental instrument tip. The condensing tip set compatible with the DuoTip includes four instrument variants: the cylindrical condenser, used for broad surface condensation of restorative material; the parallelogram condenser, optimized for adapting material in angular and proximal cavity regions; the ball burnisher, used for general surface smoothing and marginal adaptation; and the cone burnisher, designed for accessing and contouring occlusal grooves, fissures, and confined anatomical regions. The carving tip set includes six instrument variants across three categories: two varieties of diamond carvers for refining occlusal anatomy and surface detail; two varieties of Hollenback carvers for interproximal contouring and carving in posterior restorations; and two varieties of spoon excavators for the removal of excess restorative material and precise marginal sculpting. The handle features a fully knurled surface for superior tactile grip and instrument control. All components are fabricated entirely from high-grade stainless steel, ensuring corrosion resistance, biocompatibility, and full compatibility with standard autoclave sterilization protocols. The DuoTip provides a streamlined, efficient, and highly adaptable solution for modem restorative dental practice.
Disclaimer: Curated by HT Syndication.
