Gutta-percha point trimming cutter

By designing a gutta-percha point trimmer and cutting tool, utilizing a marking plate for positioning, a support block for support, and a guiding structure, the issues of precision and ease of operation of gutta-percha point cutting tools have been resolved. This has enabled precise cutting and diverse adaptability, improving root canal filling results and work efficiency.

CN223994991UActive Publication Date: 2026-03-17SHENZHEN LONGGANG DISTRICT OTOLARYNGOLOGY HOSPITAL (SHENZHEN OTOLARYNGOLOGY RES INST SHENZHEN LONGGANG DISTRICT ORAL MEDICINE RES INST)
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Patent Information

Application Number
CN202520865891.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-06
Publication Date
2026-03-17
Estimated Expiration
2035-05-06

AI Technical Summary

Technical Problem

Existing gutta-percha point cutting tools are difficult to control precisely in terms of length and taper, are inconvenient to operate, lack positioning and guiding functions, affect the root canal filling effect, pose safety hazards, and fail to meet diverse needs.

Method used

A gutta-percha tip trimmer and cutter has been designed, comprising a base, a marking plate, a support block, a cutting assembly, and a guide structure. The marking plate provides positioning, the support block provides support, and the cutting assembly and guide block provide guidance, enabling precise cutting and flexible adjustment to support diverse cutting needs.

Benefits of technology

It achieves precise cutting and convenient operation of gutta-percha points, improves root canal filling results, increases cutting accuracy and work efficiency, and reduces usage costs.

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Abstract

The utility model discloses a gutta-percha point trimming cutter, which belongs to the technical field of gutta-percha point trimming, and comprises a base, a row of first round holes and a row of second round holes are symmetrically arranged at the top end of the base, a strip-shaped groove with two open ends is arranged on one side of the base, the strip-shaped groove is communicated with the bottom ends of the first round holes, and the second round holes are communicated with the bottom ends of the second round holes. A plurality of first circular grooves which are different in depth and correspond to the first circular holes one to one are formed in the bottom end of the strip-shaped groove, a cutting assembly is installed at the bottom end of the inner wall of the strip-shaped groove, a groove communicating with the second circular hole is formed in the other side of the base, and a supporting block is installed in the groove; second circular grooves corresponding to the second circular holes in a one-to-one mode are formed in the top ends of the supporting blocks, first cutting knives with different tapers are installed in the second circular grooves, and the gutta-percha point trimming cutter can achieve precise cutting, is convenient and fast to operate, is stable in structure and is high in maintenance and function expansibility.
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