MUMBAI, India, Feb. 13 -- Intellectual Property India has published a patent application (202541123903 A) filed by Saveetha Institute Of Medical And Technical Sciences, Chennai, Tamil Nadu, on Dec. 9, 2025, for 'dual locking loop device.'
Inventor(s) include Dr. Tanushree Saxena; Dr. Manish Ranjan; and Deepak Nallaswamy Veeraiyan.
The application for the patent was published on Feb. 13, under issue no. 07/2026.
According to the abstract released by the Intellectual Property India: "The present invention relates to a dual-locking loop-based retrieval device designed for the conservative removal of fractured endodontic instruments from root canals. The device integrates two distinct locking mechanisms: a primary axial lock using a threaded screw to secure a stainless steel loop, and a secondary lateral lock utilizing a rib-groove mechanism stabilized by a compression spring. This dual-locking system ensures enhanced loop stability and reduces the risk of disengagement during retrieval. The loop is operator-fabricated standard 27G syringe tip prefabricated components. designed for use under magnification, making it suitable for both clinical and academic applications. The invention offers a cost-effective, reusable, and adaptable solution to a common procedural complication in endodontics. using 0.02 mm stainless steel wire, guided through a into a universal hub. eliminating the need for . costly, The device is modular, autoclavable, and ergonomically CD."
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