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Dust absorption instrument for dentistry

A technology for dentistry and vacuum cleaners, used in dentistry, dental chairs, vacuum cleaners, etc., can solve the problems of complex structure, waste of materials, damage to vacuum cleaners, etc., and achieve the effect of extending service life, convenient maintenance, and convenient installation.

Active Publication Date: 2013-09-18
NINGBO RUNYES MEDICAL INSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because the universal arm adopts a hollow tube, which is used as a support and as a channel, when the mist and dirt generated during dental operations enter the universal arm tube, they will accumulate in the universal arm tube. In the middle, after a long time, it is necessary to replace the entire universal arm and waste materials; it may even stick the joint of the universal arm so that it cannot rotate and damage the entire dust collection device
And because both the universal support arm and the dust collection hood have weight, they all need to be supported by other pillars, resulting in a complex structure

Method used

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  • Dust absorption instrument for dentistry
  • Dust absorption instrument for dentistry
  • Dust absorption instrument for dentistry

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Embodiment Construction

[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0020] Such as figure 1 As shown, the dental vacuum cleaner is composed of a hollow universal support arm 2 and a suction mask 3 and a vacuum cleaner 1 respectively combined at both ends of the universal support arm. The universal support arm 2 is composed of a plurality of rotating arms 21, 22, 23, 24 are pivotally formed, the last section 24 of the universal support arm 2 is connected with the suction mask 3, and a hose 26 is arranged in the inner passage of the universal support arm 2.

[0021] A spring 27,28 is respectively arranged on the middle section of the sleeve pipe in the first rotating arm 21 of the above-mentioned universal support arm 2, and one end of each spring 27,28 passes through the rotating shaft 29 of the steel wire rope 25 and the universal support arm. Connect, the other end is connected by wire rope 41 through guide ...

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Abstract

The invention discloses a dentistry dust exhaust apparatus, which is composed of universal support arm and suction lid and suction machine on two ends of support arm; the universal support arm is hinged of several rotary arms, whose last segment rotary arm connects the suction lid; the hose is set in the internal channel of universal support arm. The invention is convenient to clean, assemble, detach and maintain without clogging, which can be used after sterilizing to lengthen the lifetime.

Description

technical field [0001] The invention relates to a dental dust suction device. Background technique [0002] Chinese patent document CN2277763Y discloses a dust suction device for a dentist workbench, which is composed of a universal support arm, a ventilation pipe arranged inside the universal support arm, and a cover body and a vacuum cleaner respectively combined at both ends of the ventilation pipe, which can be flexed and stretched freely. The universal support arm is composed of multiple hollow pipes pivoted together. The front end of the support arm is equipped with a flexible body, which is connected with the cover body. The universal support arm can be pivoted on the fulcrum of the lamp or erected on the working side of the stage. However, because the universal arm adopts a hollow tube, which is used as a support and as a channel, when the mist and dirt generated during dental operations enter the universal arm tube, they will accumulate in the universal arm tube. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61G15/14A47L7/00
Inventor 徐步光
Owner NINGBO RUNYES MEDICAL INSTR
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