Broken central screw taking-out device

A technology for taking out devices and screws, applied in medical science, dentistry, dental tools, etc., can solve the problems of low efficiency and large trauma of broken central screws

Pending Publication Date: 2020-11-03
SICHUAN HONGZHENGBOEN DENTAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a device for taking out the broken central screw, which solves the problems of low efficiency and large trauma caused by the existing tool for taking out the broken central screw

Method used

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  • Broken central screw taking-out device
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  • Broken central screw taking-out device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033]A device for extracting a broken central screw, comprising a positioning protection cylinder, a first central screw extractor, a second central screw extractor, a third central screw extractor, and a dental implant mobile phone. The bottom of the positioning protection cylinder is provided with a The positioning seat of the implant, the center of the positioning protection cylinder is provided with an operation hole for the passage of the first central screw extractor, the second central screw extractor, and the third central screw extractor along the height direction of the positioning protection cylinder. The first central screw The end of the extractor is provided with a chip flute, the end of the second central screw extractor is provided with an auger bit, and the end of the third central screw extractor is provided with a conical drill bit.

[0034] Through this setting, first judge the broken state of the central screw. If the visible section is obviously uneven, y...

Embodiment 2

[0036] On the basis of Example 1, the material of the positioning protection cylinder is Y30Cr13 or TC4ELI.

Embodiment 3

[0038] On the basis of the above embodiments, the material of the first central screw extractor is Y30Cr13 or TC4ELI.

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PUM

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Abstract

The invention discloses a broken central screw taking-out device, belongs to the technical field of dental implantation, and aims at providing the broken central screw taking-out device to solve the problems that an existing tool is low in broken central screw taking-out efficiency and large in wounds. The broken central screw taking-out device comprises a positioning protection cylinder, a firstcentral screw taking-out machine, a second central screw taking-out machine, a third central screw taking-out machine and a dental implant hand machine, wherein a positioning seat for mounting an implant in a cooperating manner is arranged at the bottom of the positioning protection cylinder; operating holes allowing the first central screw taking-out machine, the second central screw taking-out machine and the third central screw taking-out machine to pass through are formed in the center of the positioning protection cylinder in the height direction of the positioning protection cylinder, achip containing groove is formed in the end of the first central screw taking-out machine, and a spiral drill bit is arranged at the end of the second central screw taking-out machine; and a conical drill bit is arranged at the end of the third central screw taking-out machine. The invention is suitable for the broken central screw taking-out device.

Description

technical field [0001] The invention belongs to the technical field of dental implantation, and in particular relates to a device for taking out a broken central screw. Background technique [0002] Implant dentures, as a new type of dental restoration technology developed in recent years, are popular among clinicians and patients because of their comfort and beauty. Implant denture restoration is complicated, and its clinical effect is affected by multiple factors. The fracture of the central screw of the implant is a relatively common complication of implant denture. In the past, there were reports on the removal of the central screw of the implant after it was broken, including the use of a dental probe to unscrew after incision of the gingiva, the use of ultrasonic root canal expansion instruments to assist removal, and the removal of the implant with a slow machine and a ball drill, although all of them have certain effects , but some operations are complicated and the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61C8/00A61C3/00
CPCA61C3/00A61C8/00
Inventor 石雅成
Owner SICHUAN HONGZHENGBOEN DENTAL TECH CO LTD
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