CN111728647A

CN111728647A - Saliva collecting and detecting device

Info

Publication number: CN111728647A
Application number: CN202010627583.6A
Authority: CN
Inventors: 董灵; 胡强
Original assignee: Hangzhou Qichuang Biotechnology Co ltd
Current assignee: Hangzhou Qichuang Biotechnology Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2020-10-02

Abstract

The invention discloses a saliva collecting and detecting device, which comprises a shell, wherein the shell comprises an upper shell and a lower shell; the collecting assembly is arranged on the lower shell; the detection assembly is arranged at the downstream of the collection assembly; the collecting assembly comprises a three-way passage, the three-way passage comprises a control passage, an inlet passage and a connecting passage which are communicated with each other, the control passage is connected with a control part through an upper shell, and a three-way valve is arranged at the communication position of the control passage, the inlet passage and the connecting passage in the three-way passage. The invention has the advantages that: through setting up three-way channel and three-way valve cooperation, can make personnel when carrying out saliva detection, stable collection saliva to the device inside, operation method is simple, can not produce the problem that saliva was collected to set up control unit, utilized the change of pressure to make the steady entering device of saliva in detect, increased the stability of device.

Description

Saliva collecting and detecting device

Technical Field

The invention relates to a saliva collecting and detecting device, and belongs to the field of material detection.

Background

Saliva is often used for the detection of analytes, such as antibodies, antigens, hormones, drugs of abuse, or drugs of abuse. Compared with serum detection, saliva collection is safe and convenient, the risk of spreading of blood-borne diseases is avoided, and patients have no pain and are easy to accept. Compared with urine detection, the saliva sample has the advantage of being sampled in real time. Therefore, the detection of saliva samples is receiving increasing attention from researchers and scholars. The existing saliva detection device is generally designed to be a saliva dripping type device, but when people collect saliva, the saliva is easy to drip into the external environment due to shaking, shaking and the like, and is not easy to collect. The Chinese utility model with publication number CN201520075529 discloses a kit for rapidly detecting AIDS urine and saliva, which comprises an upper cover, a lower cover and a test strip, wherein the upper cover and the lower cover are fixedly connected through a clamping head to form a box body, the upper cover is provided with an interpretation window and a label recording part, and the inner surface of the lower cover is provided with a front end supporting block, a middle end supporting strip and a rear end fixing groove; the side surface of the lower cover is provided with 2 straw clamping sleeves; the test strip is composed of a liquid guide area, a reaction area and a water absorption fixing area, the left end of the box body is provided with the test cover, saliva is collected into the test cover by the aid of the test strip and then assembled with the test cover in a fit mode, the saliva cannot drip out, but due to the split design of the kit, confusion is easy to cause, and the operation is complex and difficult.

Disclosure of Invention

The invention aims to provide a saliva collecting and detecting device, which can effectively solve the problem of complicated saliva collection by arranging an integral device and controlling the opening of a three-way channel to collect saliva.

In order to solve the technical problems, the invention is realized by the following technical scheme:

a saliva collection and testing device comprising a housing comprising an upper housing and a lower housing; the collecting assembly is arranged on the lower shell; a detection assembly disposed downstream of the collection assembly; wherein, the collection subassembly includes tee bend passageway, tee bend passageway includes control passage, admission passage and the interface channel that communicates each other, control passage passes through it is connected with control unit to go up the casing, control passage, admission passage and interface channel's intercommunication department is equipped with the three-way valve in the tee bend passageway, makes and detects in the personnel saliva admission apparatus through the cooperation that sets up tee bend passageway, three-way valve and control unit, and is stable to the collection effect of saliva, can not cause the condition of drippage externally to the wholeness of device is good, is difficult for obscuring in the test, has increased the practicality and the stability of device.

Preferably, the upper shell is provided with a control interface, the control component is connected with the control channel through the control interface, and the control component is matched with the three-way channel to collect saliva to be detected.

Furthermore, the control part includes the control tube, the control tube includes the body and locates adjust the pole in the body, adjust the pole bottom be equipped with the sealed pad of body inner wall butt sets up control part control saliva access device, simple structure is practical.

Furthermore, the bottom of the tube body is provided with a connecting port connected with the control channel, the tube body is communicated with the control channel, and saliva can stably enter the device for detection through pressure change.

Further, the sealing gasket is a rubber gasket, or the sealing gasket is a silica gel gasket, so that the rubber gasket or the silica gel gasket is low in cost and easy to obtain, and the production cost of the device is reduced.

Preferably, the entry channel stretches out the lower casing lateral wall and is connected with the test passageway, and personnel put the test passageway into the oral cavity and collect saliva, need not utilize external instrument, have increased the stability that saliva was collected.

Preferably, the detection subassembly includes the adsorption pad, be equipped with the test paper on the adsorption pad for detect saliva, the adsorption pad can make the test paper not produce the displacement in the casing, reduces the influence to the testing result.

Furthermore, an observation port is arranged at the top of the upper shell, the position of the observation port corresponds to the test paper, and a person can conveniently observe the change of the test paper from the observation port, so that the detection speed is increased.

Furthermore, the adsorption pad is made of cellulose materials, so that the cost of the cellulose materials is low, and the cost is reduced.

Preferably, the bottom of the lower shell is provided with a preset recess, the preset recess is a long strip shape arranged along the length direction of the lower shell, and the preset recess is arranged to enable the position of the three-way channel in the shell to be more stable, so that deviation is not easy to generate, and contact of saliva and test paper is influenced.

Compared with the prior art, the invention has the advantages that:

through setting up three-way channel and three-way valve cooperation, can make personnel when carrying out saliva detection, stable collection saliva to the device inside, operation method is simple, can not produce the problem that saliva was collected to set up control unit, utilized the change of pressure to make the steady entering device of saliva in detect, increased the stability of device.

Drawings

FIG. 1 is a sectional view of the main structure of the present invention;

FIG. 2 is a top view of the present invention with the upper housing removed;

FIG. 3 is a top view of the removal control feature of the present invention;

FIG. 4 is a top view of the lower housing of the present invention;

in the figure:

1. a housing; 2. an upper housing; 3. a lower housing; 4. a collection assembly; 5. a detection component; 6. a three-way passage; 7. a control channel; 8. entering a channel; 9. a connecting channel; 10. a three-way valve; 11. a control interface; 12. a control component; 13. a control tube; 14. a pipe body; 15. adjusting a rod; 16. a gasket; 17. a cavity; 18. a connecting port; 19. a test channel; 20. test paper; 21. a viewing port; 22. an adsorption pad; 23. and presetting a recess.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-3, an embodiment of a saliva collecting and detecting device of the present invention includes a housing 1, the housing 1 includes an upper housing 2 and a lower housing 3, the upper housing 2 is connected to the lower housing 3 in a snap-fit manner, a collecting assembly 4 is disposed on the lower housing 3, a detecting assembly 5 is disposed downstream of the collecting assembly 4, the collecting assembly 4 includes a three-way passage 6, the three-way passage 6 includes a control passage 7, an inlet passage 8 and a connecting passage 9, the three-way valve 10 is disposed at the communication position of the three passages, the three passages can be restricted from being opened and closed by controlling the direction of the three-way valve 10, a control interface 11 is disposed on the upper housing 2, and the control passage 7 is connected to a control component 12 through the control interface 11.

Referring to fig. 1-2, the control unit 12 includes a control tube 13, the control tube 13 includes a tube 14 and an adjusting rod 15 disposed in the tube 14, a gasket 16 abutting against the inner wall of the tube 14 is disposed at the bottom of the adjusting rod 15, the gasket 16 is made of a rubber pad, the rubber pad has a good sealing effect and a low cost, and can reduce the production cost of the device, or the gasket 16 can be made of a silicone pad or other material capable of sealing off, a cavity 17 is formed between the gasket 16 and the tube 14, the adjusting rod 15 is pulled to control the air flow in the cavity 17, a connector 18 communicating with the control channel 7 is disposed at the bottom of the tube 14, the air in the cavity 17 is communicated with the control channel 7, the side wall of the inlet channel 8 extending out of the lower housing 3 is connected with a test channel 19, and the test channel 19 stays in the mouth of the person when the person needs to collect, saliva collects along the test channel 19 into the entry channel 8.

Referring to fig. 1-3, the detecting assembly 5 includes a test paper 20, the position of the connecting channel 9 corresponds to the test paper 20, saliva flows out from the connecting channel 9 and contacts with the test paper 20, the test paper 20 contacts with saliva and then undergoes a chemical reaction, an observation port 21 corresponding to the test paper 20 is provided at the top of the upper housing 2, so that a person can clearly and conveniently see the reaction condition of the test paper 20, the saliva under composite detection conditions can make the test paper 20 emit light or generate a color change reaction, when the person needs to detect saliva, the saliva is sent from the testing channel 19 to the inlet channel 8 from the oral cavity, the three-way valve 10 is led to the inlet channel 8 at the moment, the inlet channel 8 is not communicated with the connecting channel 9, the adjusting rod 15 is pulled up to suck saliva into the tube 14, the saliva stays in the tube 14 due to a large external pressure, the three-way valve 10 is then led to the connecting channel 9, the, under the action of the sealing gasket 16, saliva in the tube body 14 flows into the connecting channel 9, the adjusting rod 15 is pushed downwards again, the saliva is in full contact reaction with the test paper 20, the change of the test paper 20 can be observed from the observation port 21, and whether a detected person meets the condition is determined.

Referring to fig. 1-3, an embodiment of a saliva collecting and detecting device of the present invention includes a housing 1, the housing 1 includes an upper housing 2 and a lower housing 3, a collecting assembly 4 is disposed on the lower housing 3, a detecting assembly 5 is disposed downstream of the collecting assembly 4, the collecting assembly 4 includes a three-way passage 6, the three-way passage 6 includes a control passage 7, an inlet passage 8 and a connecting passage 9, which are mutually communicated, a three-way valve 10 is disposed at a communication position of the three passages, the three passages can be restricted from being opened and closed by controlling a direction of the three-way valve 10, a control interface 11 is disposed on the upper housing 2, and the control passage 7 is connected to a control component 12 through the control interface 11.

The present embodiment is different from the above embodiments in that, referring to fig. 1 and 4, an adsorption pad 22 is disposed at the bottom of the test paper 20, so that the test paper 20 can be firmly adsorbed on the lower housing 3, the test paper 20 does not move during the test, the contact effect of saliva and the test paper 20 is not affected, and thus errors are caused to the test result, the adsorption pad 22 is made of a cellulose material, the cellulose material is easy to obtain, the test result after the test paper 20 contacts saliva is not affected, the performance is stable, and the accuracy of the device is increased. Be equipped with in casing 3 bottom down and preset sunken 23, preset sunken 23's shape for following the rectangular form that casing 3 length direction set up down, set this shape, can make tee bend 6 fixed more reliable on casing 3 down, tee bend 6 can not remove between casing 2 and casing 3 down at last casing, influences the flow and the detection of saliva, has improved the stability of device.

The above description is only an embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the technical field of the present invention by those skilled in the art are covered by the claims of the present invention.

Claims

1. A saliva collection and detection device, its characterized in that: comprises that

A housing including an upper housing and a lower housing;

the collecting assembly is arranged on the lower shell;

a detection assembly disposed downstream of the collection assembly;

the collecting assembly comprises a three-way passage, the three-way passage comprises a control passage, an inlet passage and a connecting passage which are communicated with each other, the control passage is connected with a control part through the upper shell, and a three-way valve is arranged at the communication position of the control passage, the inlet passage and the connecting passage in the three-way passage.

2. The apparatus of claim 1, wherein: the upper shell is provided with a control interface, and the control component is connected with the control channel through the control interface.

3. The apparatus of claim 2, wherein: the control component comprises a control tube, the control tube comprises a tube body and an adjusting rod arranged in the tube body, and a sealing gasket abutted against the inner wall of the tube body is arranged at the bottom of the adjusting rod.

4. The apparatus of claim 3, wherein: and a connector connected with the control channel is arranged at the bottom of the pipe body.

5. The apparatus of claim 3, wherein: the sealing gasket is a rubber gasket, or the sealing gasket is a silica gel gasket.

6. The apparatus of claim 1, wherein: the entering channel extends out of the side wall of the lower shell and is connected with a testing channel.

7. The apparatus of claim 1, wherein: the detection assembly comprises an adsorption pad, wherein test paper is arranged on the adsorption pad and used for detecting saliva.

8. The apparatus of claim 7, wherein: an observation port is arranged at the top of the upper shell, and the position of the observation port corresponds to the test paper.

9. The apparatus of claim 7, wherein: the absorbent pad is a cellulosic material.

10. The apparatus of claim 1, wherein: the bottom of the lower shell is provided with a preset recess which is a long strip shape arranged along the length direction of the lower shell.