Half-moon-shaped bone slice drill

By designing a crescent-shaped bone fragment drill, using hard medical-grade stainless steel and a water-cooling design, the problem of accidental injury to the mucosa during bone fragment removal by existing tools has been solved, achieving a more efficient and safer bone fragment removal process.

CN223489789UActive Publication Date: 2025-10-31CHANGSHA TIANTIAN DENTAL EQUIP CO LTD
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Patent Information

Application Number
CN202422462470.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-12
Publication Date
2025-10-31
Estimated Expiration
2034-10-12

AI Technical Summary

Technical Problem

Existing ultrasonic bone scalpels or micro-saws are prone to causing accidental injury to the mucosa during bone fragment removal, and the operation is cumbersome, affecting the safety and efficiency of bone fragment removal.

Method used

A crescent-shaped bone drill has been designed, including a positioning rod and a cutting body, which are fixedly connected by a locking nut. It is equipped with an outer cover and an outer casing, made of hard medical-grade stainless steel, with a sharp cutting edge, and features a water-cooling design to improve cutting efficiency and safety.

Benefits of technology

It improves the safety and efficiency of bone fragment extraction, reduces accidental mucosal injury, enhances the quality and activity of bone fragments, and simplifies the operation process.

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Abstract

The utility model belongs to the technical field of medical instruments, and particularly relates to a half-moon-shaped bone slice drill which comprises a positioning rod and a cutting body, the positioning rod is fixedly connected with the cutting body through a locking nut, an outer cover is rotatably sleeved on the positioning rod, and an outer cover body is sleeved outside the outer cover in a threaded mode. According to the semilunar bone slice drill, the five parts are assembled into a whole, so that the semilunar bone slice drill is convenient to disassemble, convenient to produce and machine, and convenient to deeply clean the drill bit after clinical operation; the semilunar bone slice drill is made of hard medical stainless steel, is provided with a sharp and ultra-thin cutting edge and has excellent cutting efficiency, loss of autogenous bones during bone slice taking is reduced to the maximum extent, convenience and efficiency of an operation are greatly improved, a protective sleeve is arranged outside a bone slice taking rotor to prevent mucosa from being accidentally injured in the bone slice taking process, and the semilunar bone slice drill is safer and more efficient. Due to the hollow design of the bone slices and the protective sleeve, water cooling of the cutting area is greatly enhanced, and the quality and activity of the obtained bone slices are higher.
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