CN214408712U

CN214408712U - Portable device for nucleic acid detection of seal nature

Info

Publication number: CN214408712U
Application number: CN202120652069.8U
Authority: CN
Inventors: 宋薇
Original assignee: Heilongjiang Puni Medical Laboratory Co ltd
Current assignee: Heilongjiang Puni Medical Laboratory Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-10-15
Anticipated expiration: 2031-03-31

Abstract

The utility model discloses a portable nucleic acid testing device with sealing performance, which comprises a test tube and a reagent injection mechanism, wherein the top of the test tube is detachably connected with the reagent injection mechanism, the reagent injection mechanism consists of a sealing cover, a thread groove B, a rubber, a clamping cover, a medicine storage tube, a push rod and an injection needle head, the top of the test tube is screwed with the sealing cover, the top of the sealing cover is fixedly connected with the rubber, the outer side wall of the sealing cover is detachably connected with the clamping cover, the clamping cover is aligned with the outer side wall of the sealing cover and screwed in, the injection needle head pierces the rubber to be inserted into the test tube after the screwing in is completed, the reagent in the medicine storage tube can be pushed into the test tube to be mixed with a sample along the push rod after the screwing in of the clamping cover is completed, the subsequent testing is convenient, the test tube is always kept in a sealing state in the reagent injection process and can not be exposed, and the whole structure of the device is simple, has small volume and is convenient to carry.

Description

Portable device for nucleic acid detection of seal nature

Technical Field

The utility model relates to a nucleic acid detects apparatus technical field, in particular to portable nucleic acid of seal detects uses device.

Background

The nucleic acid detection generally refers to a nucleic acid detection method, wherein the substance for nucleic acid detection is nucleic acid of virus, and the nucleic acid detection is to find out whether nucleic acid of virus invaded from the outside exists in a respiratory tract specimen, blood or feces of a patient to determine whether the patient is infected by the new coronavirus, so that once the detection is positive, the virus exists in the patient can be proved, and a detection device is required to be used for detection during the detection.

Patent number CN 212246965U's publication a nucleic acid detection device, be convenient for to the protection of nucleic acid detection display screen, delay the ageing of nucleic acid detection display screen, through dust removal structure, blow to the nucleic acid detection display screen, not only avoided the dust to cause the influence of different degrees to the nucleic acid detection display screen, can weather a small amount of moisture on the hand of operating personnel simultaneously, strengthened the practicality.

This nucleic acid detecting apparatus has the following disadvantages: 1. before detecting a nucleic acid sampling test tube, a detection reagent needs to be injected into the sampling test tube, and an opening part of the test tube is exposed in the injection process, so that the detection environment is easily polluted, and the detection result is influenced; 2. after the reagent is injected, the colorimetric treatment needs to be carried out by adopting detection test paper, the traditional detection device is inconvenient to operate and cannot be used for quickly and conveniently completing the test paper, and therefore, the closed portable device for detecting the nucleic acid is provided.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a portable nucleic acid of seal detects uses device can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a portable nucleic acid of leakproofness detects uses device, includes the test tube, still includes reagent injection mechanism, the test tube top can be dismantled and be connected with reagent injection mechanism, reagent injection mechanism comprises closing cap, thread groove B, rubber, card lid, storage medicine pipe, push rod and syringe needle, test tube top spiral shell closes and is connected with the closing cap, closing cap top fixedly connected with rubber, the closing cap lateral wall can be dismantled and be connected with the card lid, card lid top intermediate position fixedly connected with stores up the medicine pipe, the inside cooperation of storage medicine pipe is connected with the push rod, the syringe needle that is located the inside intermediate position of card lid is installed to storage medicine pipe bottom.

The test paper detection mechanism is arranged on one side of the surface of the test tube and consists of a connecting pipe, a piston A, a connecting rod, a piston B and detection test paper, the connecting pipe is fixedly connected to one side of the surface of the test tube, the piston A is inserted into the connecting pipe, the connecting rod extending to the outside of the connecting pipe is fixedly connected to one side, away from the test tube, of the piston A, the piston B is fixedly connected to one side, away from the piston A, of the surface of the connecting rod, the detection test paper is inserted between the piston A and the piston B and located inside the connecting pipe; mix with the inside nucleic acid sampling of test tube after reagent filling is accomplished, it shifts out the connecting tube inside until piston B to outwards twitch the connecting rod along the connecting tube, fill in test paper to the connecting tube inside, piston A keeps inside the connecting tube always, airtight test tube environment, promote the connecting rod after filling in the test paper, it is inside until piston A enters into the test tube, the test tube inclines this moment, make the reagent of mixing the sampling sample flow into to the connecting tube inside, can accomplish the dye liquor of test paper, can obtain the testing result through observing test paper color change, piston B blocks up the connecting tube, avoid reagent to leak, and is convenient to operate, and is simple to use.

Further, a thread groove A is formed in the top of the outer side wall of the test tube, and the test tube is in threaded connection with the sealing cover through the thread groove A; through the thread groove A who offers at the test tube lateral wall, can twist the airtight test tube of closing cap after the sample inserts to the test tube inside.

Furthermore, the outer side wall of the sealing cover is provided with a thread groove B, and the sealing cover is in threaded connection with the clamping cover through the thread groove B; through the thread groove B that sets up at the closing cap outer wall for the card lid can conveniently twist to the closing cap outside.

Compared with the prior art, the utility model discloses following beneficial effect has: the test tube is internally used for storing a sample to be sampled and testing, the sealed test tube with the sealing cover is screwed after sampling is finished, when detection liquid is required to be injected, the clamping cover is aligned with the outer side wall of the sealing cover and screwed, the injection needle penetrates through the rubber to be inserted into the test tube after the screwing is finished, a detection reagent is arranged in the medicine storage tube, the detection reagent can be pushed into the test tube to be mixed with the sample after the clamping cover is screwed in, the subsequent detection is convenient, the test tube is always kept in a sealed state in the reagent injection process and cannot be exposed, meanwhile, the device is simple in integral structure, small in size and convenient to carry, the reagent is mixed with nucleic acid sampling in the test tube after the reagent is filled, the connecting rod is pulled outwards along the connecting tube until the piston B is moved out of the connecting tube, the detection test paper is plugged into the connecting tube, and the piston A is always kept in the connecting tube, airtight test tube environment fills in the test paper after promote the connecting rod, inside piston A entered the test tube, the test tube of slope this moment for inside the reagent of mixing the sampling sample flows into the connecting pipe, can accomplish test paper's dye liquor, can obtain the testing result through observing test paper colour variation, piston B blocks up the connecting pipe, avoids reagent to leak, the simple operation, simple to use.

Drawings

FIG. 1 is a schematic diagram showing the overall structure of a portable nucleic acid detecting device of the present invention.

FIG. 2 is a schematic view of a test tube structure of the portable device for nucleic acid detection of the present invention.

FIG. 3 is a schematic structural diagram of a test paper detection mechanism of the portable device for nucleic acid detection of the present invention.

In the figure: 1. a test tube; 2. a thread groove A; 3. a reagent injection mechanism; 301. sealing the cover; 302. a thread groove B; 303. rubber sheets; 304. a cover is clamped; 305. a drug storage tube; 306. a push rod; 307. an injection needle; 4. a test paper detection mechanism; 401. a connecting pipe; 402. a piston A; 403. a connecting rod; 404. a piston B; 405. and (5) detecting test paper.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a portable nucleic acid detecting device with sealing property comprises a test tube 1 and a reagent injection mechanism 3, wherein the reagent injection mechanism 3 is detachably connected to the top of the test tube 1, the reagent injection mechanism 3 comprises a sealing cover 301, a thread groove B302, a rubber sheet 303, a clamping cover 304, a drug storage tube 305, a push rod 306 and an injection needle 307, the sealing cover 301 is screwed to the top of the test tube 1, the rubber sheet 303 is fixedly connected to the top of the sealing cover 301, the clamping cover 304 is detachably connected to the outer side wall of the sealing cover 301, the drug storage tube 305 is fixedly connected to the middle position of the top of the clamping cover 304, the push rod 306 is connected to the interior of the drug storage tube 305 in a matching manner, and the injection needle 307 located at the middle position of the interior of the clamping cover 304 is installed at the bottom of the drug storage tube 305.

The test tube testing device comprises a test tube 1, a piston A402, a connecting rod 403, a piston B404 and test paper 405, and is characterized by further comprising a test paper detection mechanism 4, wherein the test paper detection mechanism 4 is installed on one side of the surface of the test tube 1, the test paper detection mechanism 4 consists of the connecting tube 401, the piston A402, the connecting rod B404 and the test paper 405, the connecting tube 401 is fixedly connected to one side of the surface of the test tube 1, the piston A402 is inserted into the connecting tube 401, the connecting rod 403 extending to the outside of the connecting tube 401 is fixedly connected to one side, away from the piston A402, of the piston A402, the piston B404 is fixedly connected to the surface of the connecting rod 403, the test paper 405 is inserted between the piston A402 and the piston B404, and the test paper 405 is located inside the connecting tube 401; the reagent is filled and then is sampled and mixed with the nucleic acid in the test tube 1, the connecting rod 403 is pulled outwards along the connecting tube 401 until the piston B404 moves out of the connecting tube 401, the detection test paper 405 is plugged into the connecting tube 401, the piston A402 is always kept in the connecting tube 401, the environment of the test tube 1 is sealed, the connecting rod 403 is pushed after the test paper 405 is plugged, until the piston A402 enters the test tube 1, the test tube 1 is inclined at the moment, the reagent mixed with the sampled sample flows into the connecting tube 401, the staining solution of the detection test paper 405 can be completed, the detection result can be obtained by observing the color change of the detection test paper 405, the connecting tube 401 is blocked by the piston B404, the reagent is prevented from leaking, the operation is convenient and the use is simple.

The top of the outer side wall of the test tube 1 is provided with a thread groove A2, and the test tube 1 is in threaded connection with the sealing cover 301 through the thread groove A2; through the thread groove A2 that opens at test tube 1 lateral wall, can twist the closing cap 301 sealed test tube 1 after the sample inserts to test tube 1 inside.

The outer side wall of the sealing cover 301 is provided with a thread groove B302, and the sealing cover 301 is screwed with the card cover 304 through the thread groove B302; the clamping cover 304 can be conveniently screwed into the outer part of the sealing cover 301 through a thread groove B302 formed in the outer wall of the sealing cover 301.

It should be noted that, the utility model relates to a portable nucleic acid detecting device of leakproofness, in operation, test tube 1 is inside to be used for storing the sample and carrying out the experiment, twist in the airtight test tube 1 of closing cap 301 after the sampling is accomplished, when needing to detect the liquid injection, align card lid 304 with the lateral wall of closing cap 301 and twist in, twist in and accomplish back syringe needle 307 and pierce through rubber 303 and insert to the inside of test tube 1, medicine storage tube 305 is inside to be equipped with the testing reagent, twist in and accomplish back card lid 304 and promote along push rod 306, can push medicine storage tube 305 inside reagent to the inside of test tube 1 and mix with the sample, convenient follow-up detection, test tube 1 keeps airtight state all the time in the reagent injection process, can not expose, the device overall structure is simple simultaneously, the volume is less, and convenient to carry, reagent adds and finishes back and mixes with the nucleic acid sampling of test tube 1 inside, draw connecting rod 403 along connecting pipe 401 outwards until piston B404 shifts out inside connecting pipe 401, fill in test paper 405 to connecting pipe 401 inside, piston A402 keeps inside connecting pipe 401 always, airtight test tube 1 environment, promote connecting rod 403 after filling in test paper 405, it is inside until piston A402 gets into test tube 1, slope test tube 1 this moment, make the reagent of mixing the sampling sample flow into inside connecting pipe 401, can accomplish test paper 405's dye liquor, can obtain the testing result through observing test paper 405 colour change, piston B404 blocks up connecting pipe 401, avoid reagent to leak, the simple operation, high durability and convenient use, through thread groove A2 who offers at test tube 1 lateral wall, can twist into the airtight test tube 1 of closing cap 301 after the sample inserts to test tube 1 inside, through thread groove B302 of seting up at closing cap 301 outer wall, make card lid 304 can conveniently twist into to the outside of closing cap 301.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A portable nucleic acid detecting device of a closed type, comprising a test tube (1), characterized by further comprising a reagent injection mechanism (3), the top of the test tube (1) is detachably connected with a reagent injection mechanism (3), the reagent injection mechanism (3) consists of a sealing cover (301), a thread groove B (302), a rubber sheet (303), a clamping cover (304), a medicine storage tube (305), a push rod (306) and an injection needle (307), the top of the test tube (1) is in threaded connection with a sealing cover (301), the top of the sealing cover (301) is fixedly connected with a rubber sheet (303), the outer side wall of the sealing cover (301) is detachably connected with a clamping cover (304), the middle position of the top of the clamping cover (304) is fixedly connected with a medicine storage pipe (305), the inside cooperation of medicine storage pipe (305) is connected with push rod (306), injection needle (307) that are located the inside intermediate position of card lid (304) are installed to medicine storage pipe (305) bottom.

2. The sealed portable nucleic acid detection device according to claim 1, characterized in that: still include test paper detection mechanism (4), test paper detection mechanism (4) are installed to test tube (1) surface one side, test paper detection mechanism (4) comprises connecting pipe (401), piston A (402), connecting rod (403), piston B (404) and test paper (405), test tube (1) surface one side fixedly connected with connecting pipe (401), inside grafting of connecting pipe (401) has piston A (402), piston A (402) are kept away from test tube (1) one side fixedly connected with and are extended to connecting pipe (401) outside connecting rod (403), piston A (402) one side fixedly connected with piston B (404) is kept away from on connecting rod (403) surface, it has test paper (405) to peg graft between piston A (402) and piston B (404), test paper (405) are located inside connecting pipe (401).

3. The sealed portable nucleic acid detection device according to claim 1, characterized in that: thread groove A (2) have been seted up to test tube (1) lateral wall top, test tube (1) are connected through thread groove A (2) and closing cap (301) spiral shell joint.

4. The sealed portable nucleic acid detection device according to claim 1, characterized in that: the outer side wall of the sealing cover (301) is provided with a thread groove B (302), and the sealing cover (301) is in threaded connection with the clamping cover (304) through the thread groove B (302).