Dental nerve broach

A pulp extraction needle and dental technology, applied in the field of medical appliances, can solve the problems of small rotation angle, easy damage to the oral cavity, and large adjustment range of the pulp extraction needle, and achieve the effect of small oral injury, reduced injury, and safe use

Inactive Publication Date: 2014-09-24
SHANDONG WEIGAO GROUP MEDICAL POLYMER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The problem to be solved by the present invention is that in the prior art, the rotation angle of the pulp extraction needle is small, the adjustment

Method used

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  • Dental nerve broach
  • Dental nerve broach
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Embodiment Construction

[0015] as attached Figure 1-Figure 6 As shown, the dental pulp extraction needle in the preferred embodiment of the present invention includes a needle wire 1 , a needle sheath 2 and a nut 3 . One end of the needle wire is provided with an arc-shaped needle point, the front end of the needle point is provided with a burr area 11 , and the other end is provided with a thread 15 . There is a burr at the front end of the needle point 10~15mm, and a fixed boss 13 is arranged at the back of the burr area, and there are four ribbed protrusions 14 separated around, and the ribbed protrusions 14 are in contact with the grooves 22 in the front cavity of the needle sleeve fit to secure the needle from rotation.

[0016] The needle wire 1 is installed in the needle sleeve 2, the boss 13 of the needle wire is matched with the front end 21 of the needle sleeve, and the ribbed protrusion 14 is matched with the groove 22 of the needle sleeve cavity, and then the nut 3 is locked. During th...

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PUM

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Abstract

The invention discloses a dental nerve broach, belongs to a medical instrument, and solves the problems that the rotary angle of the nerve broach is small, the adjusting amplitude is large, the nerve broach easily damages an oral cavity and/or burrs at a needle tip easily stab the oral cavity and the inner wall of a dental pulp cavity. The dental nerve broach comprises a needle wire, a needle sleeve and a screw cap; an arc-shaped needle tip is arranged at one end of the needle wire; a burr region is arranged at the front end of the needle tip; a thread is arranged at the other end of the needle wire; after the needle sleeve is sleeved in a burr region of the needle wire, the front part of the needle sleeve is clamped with the needle wire; the screw cap and the thread on the needle wire are matched to lock the needle wire and the needle sleeve. Burr tips of the burrs of the burr region are concave toward the inner side. According to the nerve broach disclosed by the utility model, the needle tip can rotate for 360 degrees; the dental nerve broach is simple and accurate to operate, has small damages to the oral cavity and is safer to use.

Description

technical field [0001] The invention belongs to medical appliances, and in particular relates to a dental pulp extraction needle. Background technique [0002] At present, in the process of treating pulpitis and root inflammation, it is necessary to use a pulp extraction needle to remove degenerated and necrotic pulp tissue in the root canal or to remove the cotton twist left in the root canal. Straight pulp extraction needles need to be constantly adjusted to follow the direction of the root canal during use. If the angle of the pulp extraction needle is not adjusted properly, it will lead to residual pulp tissue and affect the effect of root canal treatment. In this regard, the Chinese patent ZL201120336202.5 new dental pulp extraction needle improves the straight type pulp extraction needle. The pulp extraction needle mainly includes a needle body and a needle point. One end of the needle body is provided with a needle point. For connection, there are burrs on the needle...

Claims

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Application Information

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IPC IPC(8): A61C5/02
Inventor 高云宋修山马才
Owner SHANDONG WEIGAO GROUP MEDICAL POLYMER
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