dental extraction tool 3d model

A detailed mechanical concept of a dental extraction tool based on a screw-driven axial traction system. The device resembles a corkscrew mechanism designed for minimally traumatic tooth removal. Components and structure: A central threaded rod with a sharp self-tapping screw tip at the bottom, designed to be inserted into a tooth root or pre-drilled hole. A cylindrical support sleeve (fulcrum) that slides over the rod and rests against the jaw or adjacent teeth, providing a stable base and ensuring vertical pulling force. A spherical joint mechanism ("ball nut") positioned on the rod: In the initial stage, it acts as a guide while the screw is inserted. In the working position, it engages with the thread and functions as a movable nut. A removable handle/lever inserted through the spherical joint, forming a T-shaped grip for manual rotation. Functionality: When the handle is rotated, the spherical joint acts as a stationary nut against the support cylinder, causing the threaded rod to move upward. This creat