WO2023197394A1

WO2023197394A1 - Handheld visual nucleic acid sampling system, sampling display terminal, and sampling control method

Info

Publication number: WO2023197394A1
Application number: PCT/CN2022/092453
Authority: WO
Inventors: 王宏民; 梁靖斌; 邹云辉; 蒋孟
Original assignee: 五邑大学
Priority date: 2022-04-11
Filing date: 2022-05-12
Publication date: 2023-10-19
Also published as: CN114842517A

Abstract

Provided are a handheld visual nucleic acid sampling system, a sampling display terminal (400), and a sampling control method. The handheld visual nucleic acid sampling system comprises: a handheld sampler (200), wherein a first control processing module control, according to preparation working information sent by an information acquisition module, a clamping assembly (220) driving module to take and place a throat swab (300) for nucleic acid sampling, and in the nucleic acid sampling process, receives and sends sampling site image information sent by the information acquisition module; a sampling display terminal (400), acquiring and displaying in real time the sampling site image information acquired by the handheld sampler (200); and a disinfection base (100), wherein a second control processing module, when detecting the handheld sampler (200), controls a disinfection module (110) and a charging module to disinfect and charge the handheld sampler (200), respectively. On the basis of the system, visualization, portability, and automatic disinfection of nucleic acid sampling are realized, which is conducive to improving the working efficiency of nucleic acid sampling and reducing the operation difficulty of nucleic acid sampling, so that the range of the available population is expanded and the safety of sampling operators is guaranteed to a certain extent.

Description

Handheld visual nucleic acid sampling system, sampling display terminal and sampling control method

Technical field

The invention relates to the field of medical devices, in particular to a handheld visual nucleic acid sampling system, a sampling display terminal and a sampling control method.

Background technique

In the context of the global new coronavirus raging, a large number of medical staff are involved in epidemic prevention and anti-epidemic work, and nucleic acid sampling is an extremely important task. In some emergencies, hospitals generally temporarily transfer medical staff who have received professional training in nucleic acid testing from their original posts to participate in the fight against the epidemic. However, it takes a certain amount of time to conduct professional nucleic acid testing training and personnel scheduling, and there will still be a shortage of manpower in nucleic acid testing work from time to time. The current sampling method mainly uses artificial oropharyngeal swabs or nasopharyngeal swabs for nucleic acid sampling. Regardless of the sampling method used, medical staff who conduct nucleic acid sampling face the risk of direct exposure to the virus or indirect exposure to the virus. At the same time, they also face the stress reaction of potentially positive patients when sampling. For example, when sampling oropharyngeal swabs, medical staff conducting nucleic acid sampling will face large droplets or flying particles brought out by the sampled person's oral breathing. When conducting nasopharyngeal swab testing, the person being sampled may sneeze and other reactions due to the stimulation of foreign matter in the nasal cavity by cotton swabs; whether it is using oropharyngeal swabs or nasopharyngeal swabs for nucleic acid collection, there are certain The probability increases the risk of infection among medical staff. How to further slow down the operating pressure of nucleic acid sampling points and improve the efficiency of nucleic acid sampling is an issue of great concern to society and the public.

Contents of the invention

The following is an overview of the topics described in detail in this article. This summary is not intended to limit the scope of the claims.

Embodiments of the present invention provide a handheld visual nucleic acid sampling system, a sampling display terminal and a sampling control method, which can realize the visualization and portability of nucleic acid sampling. The visualization of nucleic acid sampling can help improve the efficiency of nucleic acid sampling and reduce the operational difficulty of nucleic acid sampling, so that the people who can use it are not limited to professional medical staff, and can alleviate the work pressure of nucleic acid sampling points to a certain extent; portable design It is also conducive to the development of nucleic acid sampling work; the system can automatically disinfect and charge, reducing the risk of cross-infection for sampling operators and ensuring the safety of sampling operators to a certain extent.

In a first aspect, embodiments of the present invention provide a handheld visual nucleic acid sampling system. The handheld visual nucleic acid sampling system includes:

The handheld sampler includes a first control processing module, an information collection module and a clamping component driving module; the information collection module, the clamping component driving module are electrically connected to the first control processing module, and the first The control processing module is used to enter the sampling working mode according to the preparation information sent by the information collection module, control the clamping component driving module to pick up and place the throat swab, and receive and send the information sent by the information collection module during the nucleic acid sampling process. The image information of the sampling part;

A sampling display terminal, communicatively connected to the handheld sampler, and used to obtain and display in real time the image information of the sampling part collected by the handheld sampler;

Disinfection base, including a second control processing module, a contact induction module, a disinfection module and a charging module. The contact induction module, the disinfection module and the charging module are electrically connected to the second control processing module. The third control processing module The second control processing module is used to control the disinfection module and the charging module to sterilize and charge the handheld sampler when the contact sensing module detects the handheld sampler.

According to some embodiments of the present invention, the information collection module at least includes:

The fingerprint collection module, the image collection module, the position detection module and the reset module are electrically connected to the first control processing module respectively.

According to some embodiments of the present invention, the fingerprint collection module includes a fingerprint component for collecting and uploading the first fingerprint information of the sampling operator, so that the first control processing module matches the fingerprint information with the one in the historical fingerprint information database. In the case where the first fingerprint information is the same as the second fingerprint information, the handheld sampler is controlled to enter the sampling working mode.

According to some embodiments of the present invention, the image acquisition module further includes a camera component. The camera component is tilted relative to the clamped throat swab and is electrically connected to the first control processing system. The camera component is To obtain and upload the barcode image of the throat swab, so that the first control processing module obtains the throat swab identification information according to the barcode image, and stores it correspondingly with the first fingerprint information; the camera component also uses In obtaining and uploading the sampling site image information during the nucleic acid sampling process, the first control processing module processes the sampling site image information and sends the sampling site image information to the sampling display terminal.

According to some embodiments of the present invention, the position detection module includes a position detection component, configured to send throat swab sensing information when a throat swab is detected within the sensing range that the position detection component can detect, so that the The first control processing module controls the clamping component driving module to clamp the throat swab according to the throat swab sensing information.

According to some embodiments of the present invention, the reset module includes a release button, the release button is electrically connected to the reset module, and the reset module is used to generate and upload release information to the reset module when the release button is triggered. The first control processing module controls the clamping assembly driving module to release the throat swab according to the release information.

According to some embodiments of the present invention, the clamping assembly driving module includes a clamping assembly, the clamping assembly includes an air pump, a clamping jaw and a connecting rod, the connecting rod connects the air pump and the clamping jaw, and the The air pump is used to make the clamping claw pick up and place the throat swab under the driving of the clamping assembly driving module.

According to some embodiments of the present invention, the disinfection module includes a disinfection component, the disinfection component is electrically connected to the disinfection module, and the disinfection work is performed under the driving of the disinfection module.

In a second aspect, embodiments of the present invention provide a sampling control method, which is applied to the handheld visual nucleic acid sampling system described in the first aspect. The handheld visual nucleic acid sampling system includes: a handheld sampler, a sampling display terminal, a disinfection The base, the handheld sampler is communicatively connected to the sampling display terminal, and is electrically connected to the disinfection base. The sampling control method includes:

According to the first fingerprint information of the preparation information and the historical fingerprint information database, when the historical fingerprint information database contains second fingerprint information that matches the first fingerprint information, the sampling working mode is entered;

Obtain the throat swab identification information of the throat swab, and store the throat swab identification information and the first fingerprint information correspondingly;

According to the throat swab sensing information, the clamping assembly driving module is controlled to clamp the throat swab and perform nucleic acid sampling;

And receive the sampling part image information sent by the information collection module during the sampling process;

Send the sampling part image information to the sampling display terminal, so that the sampling display terminal displays the sampling part image information in real time;

After the sampling is completed, control the clamping assembly driving module to release the throat swab into the storage test tube according to the release information;

After the contact sensing module detects the handheld sampler, it controls the disinfection module and the charging module to sterilize and charge the handheld sampler.

In a third aspect, embodiments of the present invention provide a sampling display terminal, which is used in the handheld visual nucleic acid sampling system as described in the first aspect and is communicatively connected to the handheld sampler. The sampling display terminal is used to obtain and real-time Display the sampling part image information collected by the handheld sampler. The sampling part image information is obtained after the first control processing module of the handheld sampler enters the sampling working mode according to the preparation information sent by the information collection module. During the process of controlling the clamping component driving module to pick up and place throat swabs for nucleic acid sampling, the information collected by the information collection module is collected.

Embodiments of the present invention include: a handheld visual nucleic acid sampling system, a sampling display terminal and a sampling control method. The handheld visual nucleic acid sampling system includes: a handheld sampler, a sampling display terminal and a disinfection base. In the handheld sampler, the first control processing module enters the sampling working mode according to the preparation information sent by the information collection module, and controls the clamping component drive module to pick up and place the throat swab for nucleic acid sampling. During the nucleic acid sampling process, it receives and sends information for collection. The sampling site image information sent by the module; the sampling display terminal obtains and displays the sampling site image information collected by the handheld sampler in real time; after completing the nucleic acid sampling, in the disinfection base, when the contact sensing module detects the handheld sampler, the second control processing module Control the disinfection module and charging module to disinfect and charge the handheld sampler. According to embodiments of the present invention, a sampling operator can use a handheld sampler to sample nucleic acids, and can observe the situation of the sampler's sampling site through the sampling site image information displayed on the sampling display terminal, thereby realizing nucleic acid sampling visualization. The visualization of nucleic acid sampling helps the sampling operator to sample at the correct sampling position, which is conducive to collecting effective samples and improving the efficiency of nucleic acid sampling; at the same time, it reduces the difficulty of nucleic acid sampling, even for sampling operations with less experience. People or non-professional medical staff can also use the system by themselves, which can alleviate the work pressure of nucleic acid sampling points to a certain extent; at the same time, the handheld sampler, sampling display terminal and disinfection base are easy to carry, and are also conducive to nucleic acid sampling work. The handheld visual nucleic acid sampling system can automatically disinfect and charge, reducing the risk of cross-infection for sampling operators and ensuring the safety of sampling operators to a certain extent.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and obtained by the structure particularly pointed out in the written description, claims and appended drawings.

Description of the drawings

The accompanying drawings are used to provide a further understanding of the technical solutions of the present invention, and constitute a part of the description. Together with the embodiments of the present invention, they are used to explain the technical solutions of the present invention, and do not constitute a limitation of the technical solutions of the present invention.

Figure 1 is a schematic diagram of the operation of a handheld visual nucleic acid sampling system provided by an embodiment of the present invention;

Figure 2 is a schematic structural diagram of a handheld visual nucleic acid sampling system provided by an embodiment of the present invention;

Figure 3 is a module schematic diagram of a handheld visual nucleic acid sampling system provided by an embodiment of the present invention;

Figure 4 is a schematic flow chart of a sampling control method provided by an embodiment of the present invention;

Figure 5 is a schematic structural diagram of a handheld nucleic acid sampling end provided by an embodiment of the present invention;

Figure 6 is an exploded schematic diagram of a handheld nucleic acid sampling end provided by an embodiment of the present invention;

Figure 7 is an exploded schematic diagram 2 of the handheld nucleic acid sampling end provided by an embodiment of the present invention;

Figure 8 is an exploded schematic diagram three of the handheld nucleic acid sampling end provided by one embodiment of the present invention;

Figure 9 is a schematic structural diagram of a camera assembly provided by an embodiment of the present invention;

Figure 10 is an exploded schematic diagram of a battery box provided by an embodiment of the present invention;

Figure 11 is a schematic structural diagram of a clamping component provided by an embodiment of the present invention;

Figure 12 is a schematic structural diagram of a handheld sampler control circuit provided by an embodiment of the present invention;

Figure 13 is a schematic structural diagram of a gesture recognition circuit provided by an embodiment of the present invention;

Figure 14 is a schematic structural diagram of an image and video acquisition circuit provided by an embodiment of the present invention;

Figure 15 is a schematic structural diagram of an air pump driving circuit provided by an embodiment of the present invention;

Figure 16 is a schematic structural diagram of a base control circuit provided by an embodiment of the present invention;

Figure 17 is a schematic diagram of the real-time display interface of the sampling display terminal provided by an embodiment of the present invention;

Reference signs: sterilization base 100, sterilization chamber 101, charging electrode 102, sterilization module 110, battery box 120, base control circuit board 121, heat insulation plate 122;

Handheld sampler 200, handheld housing 210, installation cavity 211, through hole 212, clamping component 220, air pump 221, air inlet pipe 2211, air outlet pipe 2212, clamping claw 222, fixed plate 223, camera assembly 230, lens holder 231, Camera 232, lighting 233, handheld sampling control circuit board 240, battery 241, release button 242, fingerprint component 243, position detection component 250, charging ring 260;

Throat swab 300;

Sample display terminal 400.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention and are not intended to limit the present invention.

It should be noted that although a logical sequence is shown in the flowchart, in some cases, the steps shown or described may be performed in an order different from that in the flowchart. The terms "first", "second", etc. in the description, claims, and above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific sequence or sequence.

According to embodiments of the present invention, a sampling operator can use a handheld sampler to sample nucleic acids, and can observe the condition of the sampler's sampling site through the sampling site image information displayed on the sampling display terminal, thereby realizing nucleic acid sampling visualization. The visualization of nucleic acid sampling helps the sampling operator to sample at the correct sampling position, which is conducive to collecting effective samples and improving the efficiency of nucleic acid sampling; at the same time, it reduces the difficulty of nucleic acid sampling, even for sampling operations with less experience. People or non-professional medical staff can also use the system by themselves, which can alleviate the work pressure of nucleic acid sampling points to a certain extent; at the same time, the handheld sampler, sampling display terminal and disinfection base are easy to carry, and are also conducive to nucleic acid sampling work. The handheld visual nucleic acid sampling system can automatically disinfect and charge, reducing the risk of cross-infection for sampling operators and ensuring the safety of sampling operators to a certain extent.

The embodiments of the present invention will be further described below with reference to the accompanying drawings.

Figure 1 is a schematic diagram of the operation of a handheld visual nucleic acid sampling system according to an embodiment of the present invention. The handheld visual nucleic acid sampling system includes a handheld nucleic acid sampling end and a sampling display terminal. The handheld nucleic acid sampling end includes a handheld sampler 200 and a sterilization base 100. The handheld sampler 200 is detachably connected to the sterilization base 100. When the handheld sampler 200 and the sterilization base 100 are in a disassembled and separated state, the handheld sampler 200 can be used to insert the throat swab 300 into the body of the person being sampled (such as the throat, nasal cavity) to perform nucleic acid sampling. The sampler's sampling part image information is collected, and the sampling part image information is sent to the sampling display terminal 400 through the WIFI network, so that the sampling display terminal 400 displays the sampling part image information collected by the handheld sampler 200 in real time.

Referring to Figure 2, Figure 2 is a schematic structural diagram of a handheld visual nucleic acid sampling system provided by an embodiment of the present invention. In the example of Figure 1, the handheld visual nucleic acid sampling system includes a handheld sampler 200, a sampling display terminal 400 and a sterilization base. 100. The handheld sampler 200 and the sampling display terminal 400 are communicated and connected, and the handheld sampler 200 and the disinfection base 100 are electrically connected.

Referring to Figure 3, Figure 3 is a schematic module diagram of a handheld visual nucleic acid sampling system provided by an embodiment of the present invention. The handheld sampler 200 includes: a first control processing module, an information collection module and a clamping component driving module; the information collection module, the clamping component driving module are electrically connected to the first control processing module. The first control processing module is used to enter the sampling working mode according to the preparation information sent by the information collection module, control the clamping assembly driving module to pick up and place the throat swab 300, and receive and send the sampling site sent by the information collection module during the nucleic acid sampling process. Image information; the sampling display terminal 400 is communicatively connected to the handheld sampler 200, and is used to obtain and display in real time the image information of the sampling site collected by the handheld sampler 200; the disinfection base 100 includes a second control processing module, a contact sensing module, and a disinfection module. 110 and the charging module, the contact sensing module, the disinfection module 110 and the charging module are electrically connected to the second control processing module, and the second control processing module is used to control the disinfection module 110 and charging when the contact sensing module detects the handheld sampler 200 The module sterilizes and charges the handheld sampler 200.

The sampling display terminal 400 shown in Figure 3 is communicatively connected with the handheld sampler 200. The sampling display terminal 400 is used to obtain and display in real time the sampling part image information collected by the handheld sampler 200. The sampling part image information is the third image of the handheld sampler 200. After a control processing module enters the sampling working mode according to the preparation information sent by the information collection module, it controls the clamping assembly driving module to pick up and place the throat swab 300 for nucleic acid sampling, which is collected by the information collection module. The sampling operator can observe the image information of the sampling part in the body of the sampled person on the sampling display terminal 400, so that the sampling operator can observe the condition of the sampling part in the body of the sampled person at a certain distance from the person being sampled, and can Completing nucleic acid sampling more accurately is conducive to improving the efficiency of nucleic acid sampling; in this handheld visual nucleic acid sampling system, after the handheld sampler 200 is used, the disinfection base 100 can automatically disinfect and charge the handheld sampler 200, reducing the need for sampling The risk of cross-infection of operators ensures the safety of sampling operators to a certain extent.

Referring to Figure 3, the information collection module at least includes: a fingerprint collection module, an image collection module, a position detection module and a reset module. The fingerprint collection module, image collection module, position detection module and reset module are electrically connected to the first control processing module respectively.

According to some embodiments of the present invention, the fingerprint collection module includes a fingerprint component for collecting and uploading the first fingerprint information of the sampling operator, so that the first control processing module matches the same fingerprint information as the first fingerprint information in the historical fingerprint information database. In the case of the second fingerprint information, the handheld sampler 200 is controlled to enter the sampling working mode. Specifically, the fingerprint collection module collects and uploads the first fingerprint information of the sampling operator; the first control processing module receives the first fingerprint information and performs matching processing on the first fingerprint information; and matches the first fingerprint information in the historical fingerprint information database. In the case of the second fingerprint information having the same fingerprint information, the first control processing module controls the power supply of the handheld sampler 200 to put the handheld sampler 200 into the working state. It can be understood that the second fingerprint information is the fingerprint information of the person who can use the handheld sampler 200 and is entered in advance. The second fingerprint information can be the fingerprint information of the sampling operator or the sampled person who performs self-service nucleic acid sampling. fingerprint information. The handheld sampler 200 has a fixed corresponding user, and the first control processing module only controls the handheld sampler 200 when it recognizes the first fingerprint information of the corresponding person, which is beneficial to the management and maintenance of the nucleic acid sampling equipment. Specifically, the fingerprint collection module includes a gesture recognition circuit and a fingerprint collector.

According to some embodiments of the present invention, the image acquisition module also includes a camera assembly 230. The camera assembly 230 is arranged obliquely relative to the clamped throat swab 300 and is electrically connected to the first control processing system. The camera assembly 230 is used to acquire and upload The barcode image of the throat swab 300 is used so that the first control processing module obtains the identification information of the throat swab 300 based on the barcode image and stores it correspondingly with the first fingerprint information; the camera component 230 is also used to obtain and upload the identification information of the throat swab 300 during the nucleic acid sampling process. The sampled part image information is sampled, so that the first control processing module processes the sampled part image information and sends the sampled part image information to the sampling display terminal 400 . Specifically, the camera assembly 230 also includes a camera 232 and a lens holder 231. The lens holder 231 is tilted relative to the clamped throat swab 300. The camera 232 is electrically connected to the first control processing system. The camera 232 is used to obtain and upload throat swabs. The barcode image of the swab 300, so that the first control processing module obtains the throat swab identification information according to the barcode image, and stores it correspondingly with the first fingerprint information; the camera 232 is also used to obtain and upload the sampling site image information during the nucleic acid sampling process, So that the first control processing module processes the sampling part image information and sends the sampling part image information to the communication module.

Specifically, the camera 232 acquires and uploads the barcode image of the throat swab 300, the first control processing module acquires the throat swab identification information based on the barcode image, and stores the throat swab identification information corresponding to the first fingerprint information sent by the fingerprint collection module. ; After the single nucleic acid sampling work, the first control processing module clears the internally stored throat swab identification information and first fingerprint information to prepare to receive and upload the throat swab identification information and first fingerprint collected in the next nucleic acid sampling work. information. It is beneficial to uniquely associate the throat swab identification information with the fingerprint information of the sampling operator, which facilitates management and reduces the probability of accidents and other safety issues caused by operations by unauthorized personnel.

Specifically, during the nucleic acid sampling process of the sampling operator, the camera 232 obtains and uploads the image information of the sampling part in the body of the person being sampled during the nucleic acid sampling process; the first control processing module receives and processes the image information of the sampling part, and takes the sample. The part image information is sent to the sampling display terminal 400; the sampling display terminal 400 displays the sampling part image information in real time. Through real-time communication technology, the sampling operator can see the image of the throat swab 300 in the human body in real time on the sampling display terminal 400, that is, the sampling site image information, which can improve the efficiency of nucleic acid sampling and reduce the difficulty of nucleic acid sampling, making it easier for non-professional medical care All personnel can complete nucleic acid sampling by themselves, which can alleviate the work pressure of hospitals and large-scale nucleic acid sampling sites to a certain extent. Specifically, the image acquisition module also includes an image video acquisition circuit, and the image video acquisition circuit is electrically connected to the camera 232 . Specifically, adding a camera light source next to the camera 232, tilting the camera angle, and increasing the camera light source can make the visual range of the camera exactly coincide with the position of the end of the throat swab 300. Adding the light source also makes the sampling operator's field of view better. clearer.

According to some embodiments of the present invention, the position detection module includes a position detection component, configured to send the throat swab sensing information when the throat swab 300 is detected within the sensing range that the position detection component can detect, so that the first control process The module controls the clamping assembly to drive the module to clamp the throat swab 300 based on the throat swab sensing information. The position detection component 250 may be an infrared sensor. There are four infrared sensors in total, evenly and symmetrically distributed, and used to send throat swab sensing information when the throat swab 300 is detected within the sensing range that the position detection module can detect. Specifically, the position detection module is configured to: when the throat swab 300 is detected within the sensing range that the position detection module can detect, send the throat swab sensing information, so that the first control processing module controls the clip according to the throat swab sensing information. Support component driver module. Specifically, when the position detection module detects the throat swab 300 within the detectable sensing range, it generates and sends the throat swab sensing information to notify the first control processing module that the throat swab 300 is ready to be placed; the first control process The module receives the throat swab sensing information, and controls the clamping component drive module according to this information to clamp the throat swab 300 for subsequent nucleic acid sampling work. It should be noted that the position detection component may be an infrared sensor, and at least two pairs of four infrared sensors in total are used to ensure a basic sensing range.

According to some embodiments of the present invention, the reset module includes a release button. The release button is electrically connected to the reset module. The reset module is configured to generate and upload release information to the first control processing module when the release button is triggered, so that the first control processing module The control processing module controls the clamping assembly driving module to release the throat swab 300 according to the release information. It can be understood that when the sampling work is completed, the sampling operator presses the release button to cause the reset module to send release information. The first control processing module receives the release information and also controls the clamping assembly driving module to release the throat swab 300. Throat swab 300 is stored in a special storage container. The nucleic acid sampling control system can semi-automatically realize the picking and placing of the throat swab 300. The sampling operator can save the sampled throat swab 300 in a specific container without touching it, effectively ensuring the safety of the sampling operator and reducing the risk of Reduces the chance of cross-infection.

According to some embodiments of the present invention, the clamping assembly drive module includes a clamping assembly 220. The clamping assembly 220 includes an air pump 221, a clamping jaw 222 and a connecting rod. The connecting rod connects the air pump 221 and the clamping jaw 222. The air pump 221 is used for clamping. The clamping claw 222 is driven by the holding assembly driving module to pick up and place the throat swab 300. Specifically, the clamping assembly 220 may include a clamping claw 222, a connecting rod and an air pump 221; the air pump 221 has an air inlet pipe 2211 and an air outlet pipe 2212, and both ends of the connecting rod are fixedly connected to the air outlet pipe 2212 and the clamping claw 222 of the air pump 221 respectively; The clamping claw 222 is made of flexible material and has a claw shape, and can realize the picking and placing of the throat swab 300 under the control of the air flow direction. At this time, the clamping component driving module can be implemented using the air pump 221 driving circuit. In the sampling working mode, the air flow direction is controlled from the air outlet pipe 2212 to the air inlet pipe 2211, that is, the air pump 221 pumps air, and the clamping claw 222 clamps the throat swab 300; after the sampling work is completed, the air flow direction is controlled from the air inlet pipe 2211 to the air outlet pipe 2212, That is, the air pump 221 deflates, and the clamping claw 222 releases the throat swab 300.

According to some embodiments of the present invention, the disinfection module 110 includes a disinfection component. The disinfection component is electrically connected to the disinfection module 110 and performs disinfection work driven by the disinfection module 110 . In some embodiments, the contact sensing module in the sterilization base 100 is configured such that when the handheld sampler 200 completes sampling and the contact sensing module detects the handheld sampler 200, it will send homing information, so that the second control processing module will respond to the homing request. The information controls the sterilization module and the charging module to sterilize and charge the handheld sampler 200 . The first control processing module drives the sterilization module 110, and the sterilization module 110 drives the sterilization component to work and sterilize the handheld sampler 200. The disinfection module 110 is also provided with a clock module to control the working time of the disinfection component.

It can be understood that the disinfection component can be an ultraviolet disinfection lamp or an alcohol aerosol device, or a combination of an ultraviolet disinfection lamp and an alcohol aerosol device. This application does not impose specific restrictions on the disinfection components used. When the disinfection component is an ultraviolet disinfection lamp, the disinfection module 110 can use an ultraviolet lamp drive circuit; when the disinfection component is an alcohol aerosol device, the disinfection module 110 can use a corresponding drive circuit.

It can be understood that the sterilization base 100 supplies power to the handheld sampler 200 through the charging module. The charging module is used to charge the handheld sampler 200 when the second control processing module receives the homing information. Specifically, the disinfection base 100 is charged by connecting a Type-c charging port and a data cable. The sterilization base 100 supplies power to the handheld sampler 200 through a magnetic charging method that uses a charging electrode 102 and a charging ring 260 to cooperate.

Using the handheld sampler 200 and the sampling display terminal 400, the sampling operator can observe the sampling situation during the sampling process, and after completing the sampling, release the throat swab 300 with one click and save it in the preservation solution. At the same time, the handheld sampler 200 It can automatically disinfect and charge internally, simplifying the sampling process and reducing the risk of cross-infection.

Referring to Figure 4, Figure 4 is a schematic flow chart of a sampling control method provided by an embodiment of the present invention. The sampling control method can be applied to the handheld visual nucleic acid sampling system shown in Figure 3. The sampling control method can include but is not limited to step S410, step S420, step S430, step S440, step S450, step S460 and step S470.

Step S410: Obtain the preparation information sent by the information collection module. The preparation information includes the first fingerprint information of the sampling operator, throat swab induction information, and sampling site image information;

Step S420: According to the first fingerprint information of the preparation work information and the historical fingerprint information database, when the historical fingerprint information database contains second fingerprint information that matches the first fingerprint information, enter the sampling working mode;

Step S430: Obtain the throat swab identification information of the throat swab, and store the throat swab identification information and the first fingerprint information correspondingly;

Step S440: Control the clamping component driving module to clamp the throat swab according to the throat swab sensing information and perform nucleic acid sampling;

Step S450: Receive the sampling part image information sent by the information collection module during the sampling process, and send the sampling part image information to the sampling display terminal, so that the sampling display terminal displays the sampling part image information in real time;

Step S460: After the sampling is completed, control the clamping assembly driving module to release the throat swab into the storage test tube according to the release information;

Step S470: After detecting the handheld sampler 200, the contact sensing module controls the disinfection module 110 and the charging module to sterilize and charge the handheld sampler 200.

The handheld visual nucleic acid sampling system is portable and handheld, and based on the above steps, the nucleic acid sampling control system realizes the visualization of nucleic acid sampling work. The nucleic acid sampling visualization helps the sampling operator to sample at the correct sampling position, which is conducive to taking Effective samples are also conducive to improving the efficiency of nucleic acid sampling; nucleic acid sampling visualization also reduces the operational difficulty of nucleic acid sampling. Even less experienced sampling operators or non-professional medical staff can use the system by themselves, which is beneficial to To a certain extent, the work pressure of the nucleic acid sampling point is relieved; at the same time, the handheld sampler 200, the sampling display terminal 400 and the disinfection base 100 are easy to carry, and are also conducive to the development of nucleic acid sampling work; the handheld visual nucleic acid sampling system can Automatic disinfection and charging reduce the risk of cross-infection for sampling operators and ensure the safety of sampling operators to a certain extent.

Referring to FIGS. 5 to 8 , the handheld nucleic acid sampling end includes a handheld sampler 200 and a sterilization base 100 . The sterilization base 100 has a sterilization chamber 101. The handheld sampler 200 is detachably connected to the sterilization base 100 and can be installed into the sterilization chamber 101. Among them, the handheld sampler 200 includes a handheld housing 210, a clamping component 220, a camera component 230 and a handheld sampling control circuit board 240; the handheld housing 210 is composed of two matching shells, and the shape of the handheld housing 210 is suitable for sampling operations. The handheld housing 210 has an installation cavity 211, and the installation cavity 211 is provided with a clamping component 220, a camera component 230 and a handheld sampling control circuit board 240. The clamping component 220 and the camera component 230 are both connected to the handheld sampling control circuit board 240. Electrical connection; the handheld sampling control circuit board 240 is fixed on the inner wall of the handheld housing 210. The clamping assembly 220 includes an air pump 221, a clamping jaw 222 and a fixing plate 223. The air pump 221 and the clamping jaw 222 are connected through a connecting rod, and a fixing plate 223 is provided in the installation cavity 211 for fixing the holding assembly. The air pump 221 is used to output high-pressure gas driven by the driving assembly to drive the clamping claws 222, and the clamping claws 222 are used to clamp the throat swab 300; in order to fix the clamping assembly 220, the installation cavity 211 is provided with a fixing plate 223, and the fixing plate 223 is provided with There is a clamp to fix the air pump 221 and thereby the clamping component 220; the end of the handheld housing 210 facing the person being sampled is defined as the front end, and a through hole is provided at the front end of the handheld housing 210 for the throat swab 300 to pass through; the camera component The lens holder 231 of 230 is tilted and installed on the end of the throat swab 300 so that the camera 232 can photograph the sampling site; the handheld sampling control circuit board 240 has a battery 241, and the battery 241 is used to power the handheld sampler 200. The handheld sampling control circuit board 240 is provided with a Type-C interface for charging the battery 241, and the Type-C interface is located at the rear end of the handheld housing 210. The sampling handheld device communicates with the sampling display terminal 400 through the wireless communication module to display the image of the sampling part. The handheld sampler 200 is also provided with a charging module, specifically a charging ring 260, which is electrically connected to the handheld sampling control circuit; the sterilization base 100 is provided with a battery box 120, and the sterilization base 100 has an opening connected to the sterilization chamber 101, and the edge of the opening A charging electrode 102 is provided. When the handheld sampler 200 is installed into the sterilization chamber of the sterilization base 100, the charging ring 260 contacts the charging electrode 102 to energize, thereby charging. The charging electrode 102 and the charging ring 260260 are connected magnetically and serve as a contact sensing module to identify whether the handheld sampler 200 is installed in the sterilization chamber 101 of the sterilization base 100. The handheld housing 210 is connected to a position detection component 250 . The position detection component 250 is connected to the inner wall of the installation cavity 211 and is located in front of the clamping claw 222 to detect the throat swab 300 . Specifically, the position detection component 250 uses an infrared sensor. Two groups of infrared sensors are used and are evenly distributed in front of the clamping jaw 222 .

A sterilization component (not shown in the figure) is provided in the sterilization chamber 101. A plurality of ultraviolet lamps are distributed circumferentially along the inner wall of the sterilization chamber 101. When the handheld sampler 200 is loaded into the sterilization chamber 101 of the sterilization base 100, the sterilization component drives The circuit drives multiple ultraviolet lamps and uses the ultraviolet light reflected by the multiple ultraviolet lamps to perform sterilization and disinfection. Of course, the disinfection module 110 can also use alcohol aerosol disinfection, or alcohol aerosol disinfection and ultraviolet light can be used in combination.

Referring to Figure 8, the handheld sampling control circuit board 240 is electrically connected to a fingerprint collection module. The fingerprint collection module includes a fingerprint component 243. The fingerprint component 243 is provided on the outer wall of the handheld housing 210 and is used to collect and upload the first fingerprint of the sampling operator. information, so that the first control processing module controls the handheld sampler 200 to enter the sampling working mode when the second fingerprint information that is the same as the first fingerprint information is matched in the historical fingerprint information database.

Referring to Figure 8, the handheld sampling control circuit board 240 is electrically connected with a reset module. The reset module includes a release button 242. The release button 242 is provided on the outer wall of the handheld housing 210. The reset module is used to generate a signal when the release button 242 is triggered. And upload the release information to the first control processing module, so that the first control processing module controls the clamping assembly 220 to drive the module to release the throat swab 300 according to the release information.

Referring to Figure 9, the camera assembly 230 includes a lens holder 231, a camera 232 and an illumination lamp 233. The lens holder 231 is fixed to the handheld housing 210 and is arranged obliquely. The lens holder 231 has a through inner hole, and the camera 232 is located in the inner hole. , so the camera 232 is roughly facing the end of the throat swab 300, which is the position for nucleic acid sampling; the lighting lamp 233 is connected to the front end of the lens holder 231, and the lighting lamp 233 is used to provide illumination to facilitate medical staff to observe the captured images. Specifically, the illumination lamp 233 is in a ring shape and surrounds the camera 232, so that the brightness of the illumination is more uniform.

Referring to Figure 10, the battery box 120 is provided in the sterilization base 100, located on one side of the sterilization chamber 101; the battery box 120 is provided with a heat insulation plate 122, and the heat insulation plate 122 is used to block the heat of the sterilization chamber 101. The battery box 120 has a built-in battery. and the base control circuit board 121. The battery is fixed on the base control circuit board 121. The charging electrode 102 and the battery are both electrically connected to the base control circuit board 121. The battery has a large capacity and can charge the battery 241 multiple times. The base control The circuit board 121 has a charging port located on the outer wall of the battery box 120, which is used to supplement the circuit for the battery. The battery also provides electric energy to the disinfection module 110 to meet the disinfection needs.

Referring to Figure 11, the clamping assembly 220 includes an air pump 221 and a clamping claw 222, an air pump 221 and a connecting rod, and the connecting rod connects the air outlet pipe 2212 and the clamping claw 222. The air pump 221 has an air inlet pipe 2211 and an air outlet pipe 2212. When the air pump 221 is started, it inhales air from the air inlet pipe 2211, prepares high-pressure gas and outputs it through the air outlet pipe 2212. The air outlet pipe 2212 is equipped with a clamp 222 through a connecting pipe, and the clamp 222 is flexible. When high-pressure gas is input into the clamping claw 222, the flexible material expands to clamp the throat swab 300. The structure is simple, convenient and easy to use. When the air pump 221 stops and stops outputting high-pressure gas, the clamping claw 222 releases the throat swab 300.

It can be understood that corresponding control circuit boards are provided in both the handheld sampler 200 and the base. The control circuit board of the handheld sampler 200 is provided with a first control processing module, a fingerprint recognition module, a position detection module, an image acquisition module, a clamping component drive module, a reset module and a power module (not shown in Figure 2); the base The control circuit board is provided with a second control processing module, a disinfection module 110, a contact sensing module and a charging module.

Referring to Figure 12, specifically, the handheld sampler control circuit includes: a main control chip, a gesture recognition circuit, an image and video acquisition circuit, an air pump 221 drive circuit, a lithium battery charging circuit, and a power supply circuit. The main control chip is also connected to a fingerprint input instrument and Infrared sensor. The main control chip mainly uses the STM32F4 chip.

Referring to Figure 13, Figure 13 is a schematic structural diagram of a gesture recognition circuit provided by an embodiment of the present invention. Specifically, the gesture recognition circuit is mainly composed of the chip SC7A20. The 1st, 4th, 8th, and 9th pins of SC7A20 are directly connected to GND; the 2nd pin of the SC7A20 chip is connected to the 36th pin of the BK7231U chip, which is The SDA pin of I2C communication; the 12th pin of SC7A20 is connected to the 37th pin of BK7231U, which is the SCL pin of I2C communication; the 7th pin of SC7A20 is connected to the power supply VCC to provide the chip operating voltage; the SC7A20 Pins 5, 6, 10, and 11 are left floating.

Referring to FIG. 14 , FIG. 14 is a schematic structural diagram of an image and video acquisition circuit provided by an embodiment of the present invention. Specifically, the image video acquisition circuit mainly consists of the main control module composed of the video processing chip BK7231U and its peripheral circuits. The 1st pin of BK7231U is connected to the 5th and 6th pins, and is connected to GND through two 10uF capacitors. , connected to the 40th pin through a 22Ω resistor, and the 40th pin is connected to GND through a 10uF capacitor; its 2nd pin is connected to the onboard antenna through an impedance matching circuit; its 3rd and 4th pins are connected to the VCC power supply It is connected to 3.3V and connected to GND through a 10uF capacitor; its 7th, 8th, and 10th pins are connected to GND through a 10uF capacitor in series; its 9th pin is connected to the VCC power supply 3.3V; its 11th pin , 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22 pins are connected to the camera QC0312 acquisition FPC base; its 23rd pin is connected to the 6th pin of the power chip JZ8P1520, The system power switch is controlled by pressing the key; its 24th pin is connected to the VCC power supply voltage dividing circuit composed of a resistor of 98KΩ and a resistor of 100KΩ; its 26th pin is connected to the negative terminal of the light-emitting diode LED2, and the positive terminal of the light-emitting diode LED2 The terminal is connected to the VCC power supply through a resistor of 1kΩ; its 27th pin is connected to the 3rd pin of the Mos tube NP2301 through two resistors of 510KΩ to divide the input battery voltage at the midpoint; its 31st pin is connected through a series 10KΩ resistor Connected to the VCC power supply; its 34th and 35th pins are debug output pins, connected to the external debugging interface through contacts; its 36th and 37th pins are the SDA and SCL pins of I2C communication, respectively. The 2KΩ resistor is connected to the power supply 2.8V.

Referring to Figure 15, Figure 15 is a schematic structural diagram of an air pump driving circuit provided by an embodiment of the present invention. Specifically, the air pump drive circuit is mainly composed of two electrode driver chips BTS7960. The first pins of the two BTS7960s are directly connected to GND; the second pins of the two BTS7960s are each connected in series with a 4.7kΩ resistor and connected to the main control The PWM1 and PWM2 of the chip STM32 are connected; the 3rd pins of the two BTS7960s are connected in series with a 4.7KΩ resistor and connected to the power supply voltage 5.0V; the 4th and 8th pins of the two BTS7960s are connected in parallel and connected to the motor respectively. Control terminals Motor-, Motor+; the 5th and 6th pins of the two BTS7960s are connected in series with a 510Ω resistor and connected to GND; the 7th pins of the two BTS7960s are directly connected to the power supply voltage 5.0V, and through a A 10uF non-polar capacitor is connected to GND.

It can be understood that the sterilization base 100 supplies power to the handheld sampler 200, and the handheld sampler 200 is also provided with a power module. The power module includes a power circuit and a lithium battery charging circuit for powering the handheld sampler 200 itself and storing electrical energy. Specifically, the power circuit is mainly composed of power chip XC6210B332MR, power chip ME6206A28M3, and power chip MCC6288. The power chip XC6210B332MR enables the lithium battery to stably output 3.3V power supply VCC, which acts on all VCC power supplies. Its 1st and 3rd pins are connected to the positive pole of the lithium battery input terminal, and are connected to GND through 1uF and 10uF non-polar capacitors in parallel; Its 2nd and 6th pins are left floating; its 4th pin is directly connected to GND; its 5th pin is connected to GND through a 1uF capacitor in parallel and directly outputs VCC power 3.3V. The power chip ME6206A28M3 enables the lithium battery to stably output 2.8V power supply voltage, which is used in the gesture recognition circuit. Its Vin pin is the power output pin, and 22uF and 1nF non-polar capacitors are connected in parallel; its Vss pin is directly connected to GND; The Vout pin is filtered by connecting a 1nF non-polar capacitor in parallel to output a 2.8V power supply voltage. The power chip MCC6288 stably boosts the lithium battery to 5.0V power supply, which is used to drive the air pump power supply. Its EXT pin is connected to the gate of the Mos tube; its LX pin is connected to the source of the Mos; and its GND pin is connected to the drain of the Mos. pole, the negative pole of the lithium battery, and the negative pole of the filter capacitor are connected; its Vout and En pins are connected in parallel to the cathode of the diode D5819 and simultaneously connected to the output terminal. It can be understood that a power switch (not shown in the figure) will be provided in the power circuit to control power supply interruption.

Specifically, the lithium battery charging circuit is mainly composed of the power chip PW4054. The first pin of PW4054 is connected to the negative electrode of the light-emitting diode LED1. The positive electrode of LED1 is connected in series with a 560Ω resistor and connected to the power supply VCC; the second pin of PW4054 Connected to GND; the 3rd pin of SC7A20 is directly connected to the anode of the lithium battery; the 4th pin of PW4054 is connected to the anode of the D1 diode 1N5825, the anode is connected to the power input, and the 4th pin is directly connected to the power supply. VCC is connected and connected to GND through a 1uF capacitor; the first pin of PW4054 is connected in series with a 3.6KΩ resistor and connected to GND.

Referring to Figure 16, Figure 16 is a schematic structural diagram of a base control circuit provided by an embodiment of the present invention. The base control circuit mainly includes a UV lamp drive circuit, a power input circuit and a power output circuit. The UV lamp driver circuit includes a UV lamp bead driver chip, power input, UV lamp and timing clock module. The timing clock module is used to control the disinfection time. The UV lamp driving circuit is mainly composed of UV lamp bead driving chip HD7279A. Its 1st and 2nd pins are directly connected to the power supply voltage VCC2 input by the disinfection base 100; its 3rd pin is directly connected to GND; its 5th and 2nd pins are directly connected to the power supply voltage VCC2 input by the disinfection base 100;

Pins

6, 7, and 8 are connected to the cathode of the diode 1N5825, and the anode of the diode 1N5825 is connected to the power supply voltage VCC2; its 10th to 25th pins are respectively connected to the anode of the UV lamp bead to provide operating voltage; its 27th pin It is connected in parallel with the resistor 5.5KΩ and the capacitor 15pF; its 28th pin is directly connected to the power supply voltage VCC2. The power input circuit supplies power to the UV lamp driving circuit, and the power output circuit supplies power to the sampler through magnetic suction. The structures of the power input circuit and power output circuit are not explained in detail, and a 5V power supply is usually used.

Referring to Figure 17, Figure 17 is a schematic diagram of a real-time display interface of a sampling display terminal provided by an embodiment of the present invention. During the sampling work, the sampling display terminal 400 will display the image information of the sampling part, and implement some operations through some functional operation buttons. The functional operation buttons include: wide-angle lens, focus lens, horizontal screen, vertical screen, photo taking, video recording and photo album. That is, you can realize the functions of switching between horizontal and vertical screens, taking photos and videos, and viewing the captured photos and videos. The sampling display terminal 400 also has a device connection software interface, through which the sampling terminal device can be controlled to achieve communication connection with the handheld sampler 200, and the progress of the connection can be intuitively obtained. The nucleic acid sampling process using the handheld sampler 200, the sterilization base 100, and the sampling display terminal 400 shown in Figures 5 to 10 can achieve the following specific steps:

Step 1: The sampling operator takes out the sampler from the base and puts his finger on the fingerprint collector. After the sampler completes the unique identification of the sampling operator, it turns on the power of the whole machine and enters standby mode.

Step 2: Complete the wireless communication connection with the sampler through WiFi on the APP software of the sampling display terminal 400.

Step 3: The sampling operator points the lens at the barcode of the throat swab to scan, uploads the swab identification information to the APP, completes the corresponding management of the fingerprint information and the throat swab identification information, and realizes the identification of the throat swab and the sampling operator. Only binding.

Step 4: Insert the scanned and recorded throat swab into the installation hole of the sampler. After the infrared sensor in the handheld sampler detects the throat swab, the clamping component in the sampler clamps the throat swab.

Step 5: The sampling operator holds the sampler to perform nucleic acid sampling, and can observe the image information of the sampling site at the front end of the throat swab on the sampling display terminal 400 through the APP software. When the sampling operator completes the nucleic acid sampling operation according to the specified steps, The sampler is removed from the body.

Step 6: After the sampling is completed, press the reset switch button to release the sampled throat swab and store it in a specific storage tube.

Step 7: Insert the used sampler back into the base. After the contact sensing module in the base detects the sampler, the base will automatically disinfect and charge, and at the same time delete the saved unique identity of the sampling operator and throat swab barcode. information, enter the standby state, and wait for the start of the next nucleic acid sampling.

The above operations can be completed by the sampling operator or by the patient's own sampling. The handheld visual nucleic acid sampling system has the advantages of low cost, small size, convenient transportation and simple operation. For medical staff sampling, visualization of sampling makes sampling more accurate and improves the effectiveness of sampling. Through the visual image interface and standardized nucleic acid sampling operation steps, patients or isolated individuals can also complete the nucleic acid sampling operation independently, effectively relieving the pressure of nucleic acid sampling work in hospitals. The handheld visual nucleic acid sampling system can be automatically disinfected and recharged after sampling is completed, enabling reuse.

The above is a detailed description of the preferred implementation of the present invention, but the present invention is not limited to the above-mentioned embodiments. Those skilled in the art can also make various equivalent modifications or substitutions without violating the spirit of the present invention. Equivalent modifications or substitutions are included within the scope of the claims of the present invention.

Claims

A handheld visual nucleic acid sampling system, characterized in that the handheld visual nucleic acid sampling system includes:

The handheld sampler includes a first control processing module, an information collection module and a clamping component driving module; the information collection module, the clamping component driving module are electrically connected to the first control processing module, and the first The control processing module is used to enter the sampling working mode according to the preparation information sent by the information collection module, control the clamping component driving module to pick up and place the throat swab, and receive and send the information sent by the information collection module during the nucleic acid sampling process. The image information of the sampling part;

A sampling display terminal, communicatively connected to the handheld sampler, and used to obtain and display in real time the image information of the sampling part collected by the handheld sampler;

Disinfection base, including a second control processing module, a contact induction module, a disinfection module and a charging module. The contact induction module, the disinfection module and the charging module are electrically connected to the second control processing module. The third control processing module The second control processing module is used to control the disinfection module and the charging module to sterilize and charge the handheld sampler when the contact sensing module detects the handheld sampler.
The handheld visual nucleic acid sampling system according to claim 1, wherein the information collection module at least includes:

The fingerprint collection module, the image collection module, the position detection module and the reset module are electrically connected to the first control processing module respectively.
The handheld visual nucleic acid sampling system according to claim 2, wherein the fingerprint collection module includes a fingerprint component for collecting and uploading the first fingerprint information of the sampling operator, so that the first control processing module If the second fingerprint information that is the same as the first fingerprint information is matched in the historical fingerprint information database, the handheld sampler is controlled to enter the sampling working mode.
The handheld visual nucleic acid sampling system according to claim 3, characterized in that the image acquisition module further includes a camera component, the camera component is tilted relative to the clamped throat swab, and is in contact with the first control process The system is electrically connected, and the camera component is used to obtain and upload the barcode image of the throat swab, so that the first control processing module obtains the throat swab identification information based on the barcode image, and the first fingerprint The information is correspondingly stored; the camera component is also used to obtain and upload the sampling site image information during the nucleic acid sampling process, so that the first control processing module processes the sampling site image information and sends the sampling site image information to the sampling display terminal.
The handheld visual nucleic acid sampling system according to claim 4, wherein the position detection module includes a position detection component for detecting a throat swab within the sensing range that the position detection component can detect. , sending the throat swab sensing information, so that the first control processing module controls the clamping component driving module to clamp the throat swab according to the throat swab sensing information.
The handheld visual nucleic acid sampling system according to claim 5, wherein the reset module includes a release button, the release button is electrically connected to the reset module, and the reset module is used when the release button When triggered, release information is generated and uploaded to the first control processing module, so that the first control processing module controls the clamping assembly driving module to release the throat swab according to the release information.
The handheld visual nucleic acid sampling system according to claim 6, wherein the clamping component driving module includes a clamping component, the clamping component includes an air pump, a clamping claw and a connecting rod, and the connecting rod connects all The air pump and the clamping claw are used, and the air pump is used to make the clamping claw pick up and place the throat swab under the driving of the clamping assembly driving module.
The handheld visual nucleic acid sampling system according to claim 1, wherein the disinfection module includes a disinfection component, the disinfection component is electrically connected to the disinfection module, and the disinfection work is performed under the driving of the disinfection module. .
A sampling control method, characterized in that it is applied to the handheld visual nucleic acid sampling system according to any one of claims 1 to 8, wherein the handheld visual nucleic acid sampling system includes: a handheld sampler, a sampling display terminal, Disinfection base, the handheld sampler is communicatively connected to the sampling display terminal, and is electrically connected to the disinfection base. The sampling control method includes:

Obtain the preparation information sent by the information collection module, the preparation information including the first fingerprint information of the sampling operator, throat swab induction information, and sampling site image information;

According to the first fingerprint information of the preparation information and the historical fingerprint information database, when the historical fingerprint information database contains second fingerprint information that matches the first fingerprint information, the sampling working mode is entered;

Obtain the throat swab identification information of the throat swab, and store the throat swab identification information and the first fingerprint information correspondingly;

According to the throat swab sensing information, the clamping assembly driving module is controlled to clamp the throat swab and perform nucleic acid sampling;

And receive the sampling part image information sent by the information collection module during the sampling process;

Send the sampling part image information to the sampling display terminal, so that the sampling display terminal displays the sampling part image information in real time;

After the sampling is completed, control the clamping assembly driving module to release the throat swab into the storage test tube according to the release information;

After the contact sensing module detects the handheld sampler, it controls the disinfection module and the charging module to sterilize and charge the handheld sampler.
A sampling display terminal, characterized in that it is used in the handheld visual nucleic acid sampling system as claimed in claim 1 and is communicatively connected with the handheld sampler, and the sampling display terminal is used to obtain and display the handheld sampler in real time. The collected image information of the sampling part, the image information of the sampling part is the first control processing module of the handheld sampler after entering the sampling working mode according to the preparation information sent by the information collection module, and then controlling the clamping component driving module. During the process of taking and placing throat swabs for nucleic acid sampling, the information is collected by the information collection module.