Self-service nose swab intelligent collector and extraction unit for new coronavirus nucleic acid

Abstract

The invention discloses a self-service nose swab intelligent collector for new coronavirus nucleic acid. The self-service nose swab intelligent collector comprises a collection unit, the collecting unit comprises a robot arm, an adjusting joint is arranged at the end of the robot arm and comprises a base, the upper end of the base is slidably connected with a driving block, the driving block is driven to slide back and forth along the base, the front section of the driving block is connected with a plurality of joint blocks, the first joint block is rotationally connected with the driving block, and the second joint block is rotationally connected with the driving block. The first joint block is hinged to the base through a connecting rod, and the other joint blocks are rotationally connected with the adjacent joint blocks and hinged to a second structure spaced by the joint blocks through connecting rods. The multiple joint blocks which are connected in series are driven by the sliding connecting rod mechanism to conduct angle adjustment, the angle change amplitude of the joint block close to the tail end is large, the angle change amplitude of the joint block away from the tail end is small, and therefore in the insertion preparation stage, the optimal insertion angle of the nose swab can be adjusted only through the change amplitude of the different joint blocks.

Description

technical field [0001] The invention relates to the field of self-service nucleic acid detection, in particular to a self-service nasal swab intelligent collector and extraction unit for novel coronavirus nucleic acid. Background technique [0002] The nucleic acid test results of the new coronavirus are an important reference for the diagnosis and efficacy evaluation of the new coronavirus pneumonia. The nucleic acid test screening samples are mostly derived from deep cough sputum or throat swabs, and throat swabs are divided into nasopharyngeal swabs and oropharyngeal swabs . [0003] Among them, oropharyngeal swab sampling is more convenient, and it can be operated only by opening the mouth of the collector, so most of the existing self-service collectors are designed for oropharyngeal swabs; [0004] Nasopharyngeal swabs have several advantages over oropharyngeal swabs. During sampling, they can stay in the pharynx for a longer time in order to obtain more sufficient sa...

AI Technical Summary

Problems solved by technology

[0004] Nasopharyngeal swabs have several advantages over oropharyngeal swabs. When sampling, they can stay in the pharynx for a longer time in order to obtain more sufficient specimens. However, nasopharyngeal swabs are more difficult to operate than oropharyngeal swabs. The most important The most difficult point is that the space in the nasopharynx is small, and it cannot be as large as the oropharyngeal swab collection action during the insertion preparation stage or at the same time of collection. For example, the oropharyngeal swab collector can directly use the robotic arm to adjust the angle and rotate , and if the nasopharyngeal swab is directly used in this way, the control accuracy needs to be greatly improved, so it is necessary to improve this part

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