CN212713521U

CN212713521U - Gene sample collector, gene sample extractor and gene sample acquisition device

Info

Publication number: CN212713521U
Application number: CN202021003738.0U
Authority: CN
Inventors: 王雪; 陈欣; 赵子慧; 王绪华; 黄士昂; 涂赞兵
Original assignee: Tianjin Kangshengda Medical Laboratory Co ltd
Current assignee: Tianjin Kangshengda Medical Laboratory Co ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-03-16
Anticipated expiration: 2030-06-04

Abstract

The utility model discloses a gene sample collector, gene sample extractor and gene sample acquisition device relates to medical equipment technical field. This gene sample collector includes swab, umbelliform protection portion and the portion of gripping, and the swab is including the overlap joint portion of the cotton head of locating swab one end and the swab other end, and the umbelliform protection portion passes through rupture portion with the other end of swab to be connected, and the overlap joint portion is located between rupture portion and the cotton head portion, the portion of gripping and umbelliform protection portion fixed connection. This gene sample collector is convenient for sample collection through establishing cotton head in swab one end, be connected with umbrella-shaped protection portion through rupture portion at the swab other end, and overlap joint portion is located between rupture portion and the cotton head, when umbrella-shaped protection portion has avoided gathering, the cross contamination of people's hand and oral cavity contact cause gene sample, and gather the swab of accomplishing and can follow rupture portion rupture, be fixed in on the gene sample extractor through overlap joint portion, further set up the portion of gripping, the user of being convenient for grips the operation, reduce the direct contact of hand and swab.

Description

Gene sample collector, gene sample extractor and gene sample acquisition device

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to gene sample collector, gene sample extractor and gene sample acquisition device.

Background

In the gene detection process, a mouth swab is often used for gene collection of a subject. The oral swab is stretched into the left oral cavity, so that the head of the swab is fully contacted with the inner part of the left cheek or mucous membranes at the upper and lower gums on the left side, the swab is wiped up and down by using the tooth brushing force, meanwhile, the swab is rotated, so that the head of the swab is fully contacted with the mucous membranes of the oral cavity, and the wiping is repeated for 30 times. The gene of the second swab is sampled at the mucous membranes of the upper and lower gums of the right cheek/right side by the same method, and the gene sample is absorbed and adhered at the cotton head of the oral swab after the sampling is finished, so that the sample is extracted by using a swab extractor.

The existing swab collector has the advantages that a user directly holds the swab to collect a sample, and when the swab is broken, the user often needs to hold the swab by a hand to break so that the length of the swab is well matched with a sample extractor, but the hand and the swab are easily subjected to cross infection in the collecting and breaking processes.

The existing gene sample extractor is in a single test tube shape, a swab is placed into a test tube, a reagent (different buffer solutions or other reagents can be added according to the self experiment requirements) is added to soak a cotton head, the soak solution is poured out, so that the extraction of the gene sample on the cotton head is realized, the gene sample on the cotton head can be generally washed for multiple times to be completely extracted, but the existing soaking extraction mode cannot ensure that whether the gene sample on the cotton head is completely extracted, the operation is complex and labor-consuming, and the extraction efficiency is low.

Therefore, there is a need for a gene sample collector, a gene sample extractor and a gene sample acquiring device to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The first purpose of the utility model is to provide a gene sample collector, which is convenient for users to hold and use, and reduces the direct contact between hands and swabs; the cross contamination of the gene sample caused by the contact of the human hand and the oral cavity is avoided during collection; the collected swab can be broken off from the breaking part and is fixed on the gene sample extractor through the overlapping part.

To achieve the purpose, the utility model adopts the following technical proposal:

a gene sample collector, comprising:

the swab comprises a cotton head part arranged at one end of the swab and a lap joint part arranged at the other end of the swab;

the umbrella-shaped protection part is connected with the other end of the swab through a breaking part, and the overlapping part is positioned between the breaking part and the swab head;

and the holding part is fixedly connected with the umbrella-shaped protection part.

Optionally, the gene sample collector further comprises a storage tube, the holding part is detachably connected with an opening of the storage tube, and the swab is positioned in the storage tube.

A second object of the utility model is to provide a gene sample extractor, can totally draw the gene sample of cotton head end, and easy operation, extraction efficiency is high.

a gene sample extractor, comprising:

a liquid outlet is arranged at the lower end of the tube body;

the first clamping part is arranged in the tube body and is positioned above the liquid outlet, the first clamping part is matched with the tube body above the first clamping part to form a first cavity, and a first clamping hole is formed in the first clamping part and is used for clamping a cotton head part of a swab;

the second clamping part is arranged in the first cavity and is provided with a second clamping hole;

the piston is arranged at the upper part of the tube body and is used for compressing the volume of the first chamber;

and the liquid injection pipe is communicated with the first cavity, and the communication position of the liquid injection pipe and the first cavity is positioned between the first clamping part and the piston.

Optionally, the lap portion of the swab is lapped over the second snap hole.

Optionally, a plurality of air holes are formed in the second clamping portion.

Optionally, the gene sample extractor further comprises a liquid storage tank, and the liquid storage tank is communicated with the liquid injection pipe.

Optionally, the housing of the reservoir is of a flexible and squeezable material.

Optionally, the lower end of the pipe body is outwards provided with a conical liquid outlet portion, and the conical top of the conical liquid outlet portion is provided with the liquid outlet.

Optionally, the liquid outlet, the first clamping hole and the second clamping hole are all located on the axis of the pipe body.

A gene sample acquisition device comprises the gene sample collector and/or the gene sample extractor.

The utility model has the advantages that:

the utility model provides a pair of gene sample collector, be convenient for sample collection through establishing cotton head in swab one end, be connected with umbelliform protection portion through rupture portion at the swab other end, and overlap joint position is between rupture portion and the cotton head, umbelliform protection portion has avoided when gathering, the cross contamination of gene sample is caused with the oral cavity contact to the people's hand, the reliability of sample has been guaranteed, and gather the swab of accomplishing and can follow rupture portion rupture, be fixed in on the gene sample extractor through overlap joint portion, further set up the portion of gripping, the user of being convenient for grips the operation, reduce the direct contact of hand and swab.

The utility model provides a gene sample extractor, this gene sample extractor is through setting up the liquid outlet at the body lower extreme so that the liquid flows out, first joint portion locates in the body and lies in the liquid outlet top, first joint portion forms first cavity so as to hold reagent with the body, first joint portion is equipped with first joint hole, the cotton head card of swab is in first joint hole so as to realize the preliminary fixed of swab; a second clamping part is further arranged, the second clamping part is arranged in the first cavity, a second clamping hole is formed in the second clamping part, one end, far away from the cotton head, of the swab is clamped in the second clamping hole, and the swab is fixed through the combined action of the first clamping part and the second clamping part; the upper part of the tube body is provided with a piston for compressing the volume of the first chamber to extrude the reagent so as to realize the extraction of the gene sample; establish and annotate the liquid pipe, annotate liquid pipe and first cavity intercommunication, and annotate the liquid pipe and be located between first joint portion and the piston with the intercommunication position of first cavity so that inject reagent into first cavity. During the use, be fixed in first joint hole and second joint downthehole with the both ends of swab earlier, through annotating the liquid pipe and go into reagent until reagent in to first cavity and cross cotton head, the gene sample of cotton head dissolves in reagent, promote the piston, the piston promotes air extrusion reagent, make reagent flow direction liquid outlet through first joint hole, thereby draw out the gene sample of cotton head, the mode of extruding the reagent that has the gene sample through adding reagent many times and promoting the piston can be extracted the gene sample of cotton head completely, and easy operation, high efficiency.

Drawings

Fig. 1 is a schematic view of an overall structure of a gene sample collector provided in an embodiment of the present invention;

FIG. 2 is a schematic diagram of the overall structure of the gene sample extractor according to the embodiment of the present invention.

In the figure:

1. a pipe body; 11. a first chamber; 2. a first clamping part; 21. a first clamping hole; 3. a second clamping part; 31. a second clamping hole; 4. a piston; 41. a push rod; 5. a liquid injection pipe; 6. a liquid storage tank; 7. a liquid outlet part; 71. a liquid outlet;

10. a swab; 101. a cotton head; 102. a breaking part; 103. a lap joint section; 20. a grip portion; 30. an umbrella-shaped protection part; 40. and (4) storing the tube.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1, the gene sample collector provided by the embodiment of the present invention includes a swab 10, an umbrella-shaped protection portion 30 and a holding portion 20, wherein the swab 10 is fixedly connected to the protection portion 30 and the holding portion 20. The swab 10 includes a cotton head portion 101 disposed at one end of the swab 10 and a landing portion 103 disposed at the other end of the swab 10. The umbrella-shaped protection part 30 is connected with the other end of the swab 10 through the breaking part 102, and the umbrella-shaped protection part 30 avoids cross contamination of a gene sample caused by contact of a human hand and the oral cavity during collection; the break-off portion 102 facilitates breaking of the swab 10. The overlapping portion 103 is located between the breaking portion 102 and the cotton head portion 101 to facilitate the fixation of the broken swab 10 to the gene sample extractor. The holding portion 20 is fixedly connected with the umbrella-shaped protection portion 30, so that the holding portion is convenient for a user to hold and use, and the direct contact between the hand of the user and the swab 10 is avoided, and the pollution to the swab 10 is reduced.

Optionally, the umbrella-shaped protection part 30 is a cone, the top of which is fixedly connected with the swab 10, and the bottom of which is fixedly connected with the holding part 20, so as to reduce the shielding of the collecting part and facilitate the user to observe the collecting condition. Further, the breaking portion 102 is located at the junction of the vertex of the umbrella guard 30 and the swab 10 to facilitate the user breaking the swab 10 by twisting the umbrella guard 30.

In order to store the swab 10 after collection, the gene sample collector further comprises a storage tube 40, the holding part 20 is detachably connected with an opening of the storage tube 40, and the swab 10 and the conical umbrella-shaped protection part 30 are both positioned in the storage tube 40. The holding portion 20 and the storage tube 40 can be connected by screw threads, clamped or inserted so as to separate the holding portion 20 from the storage tube 40 during collection, and the holding portion 20 is fixed at the opening of the storage tube 40 during storage, so that the swab 10 is suspended in the storage tube 40, and the contact and pollution between the swab 10 and the inner wall of the storage tube 40 are avoided.

In order to facilitate understanding of the gene sample collector provided in this embodiment, a use process of the gene sample collector provided in this embodiment is described as follows:

1) twisting the grip portion 20 to separate the grip portion 20 from the storage tube 40, and taking out the swab 10;

2) holding the holding part 20 with thumb and forefinger, extending the cotton head 101 of the swab 10 into the oral cavity, making the cotton head 101 fully contact with the mucosa inside the left cheek/at the upper and lower gums on the left side, and rubbing up and down with the force of brushing teeth, while rotating the holding part 20 to make the cotton head 101 fully contact with the mucosa of the oral cavity, repeating the action for 1 minute;

3) after sampling, the swab 10 is put into the storage tube 40, and the holding portion 20 and the storage tube 40 are tightened.

According to the gene sample collector provided by the embodiment, the cotton head part 101 is arranged at one end of the swab 10 to facilitate sample collection, the other end of the swab 10 is connected with the umbrella-shaped protection part 30 through the breaking part 102, the overlapping part 103 is positioned between the breaking part 102 and the cotton head part 101, the umbrella-shaped protection part 30 avoids cross contamination of a gene sample caused by contact of a human hand and an oral cavity during collection, the reliability of the sample is ensured, and the collected swab 10 can be broken from the breaking part 102 and is fixed on a gene sample extractor through the overlapping part 103; the holding part 20 is further arranged, so that the holding operation of a user is convenient, and the direct contact between the hand and the swab 10 is reduced; the storage tube 40 is further provided to store the swab 10, and the collected swab 10 is in a suspended state in the storage tube 40, so that the swab 10 is prevented from contacting and contaminating the inner wall of the storage tube 40.

This embodiment still discloses a gene sample extractor, and this gene sample extractor includes body 1, first joint portion 2, second joint portion 3, piston 4 and annotates liquid pipe 5, and body 1 all is connected with first joint portion 2, second joint portion 3, piston 4 and annotate liquid pipe 5. Further, the lower end of the tube body 1 is provided with a liquid outlet 71 for flowing out the reagent. First joint portion 2 is located body 1 and is located liquid outlet 71 top, and first joint portion 2 forms first cavity 11 with the body 1 cooperation of its top so that hold reagent, is equipped with first joint hole 21 in the first joint portion 2 for the cotton head portion 101 of chucking swab 10 is in order to carry out preliminary fixed to swab 10. The second clamping portion 3 is disposed in the first chamber 11, and a second clamping hole 31 is disposed on the second clamping portion 3, and one end of the swab 10, which is far away from the cotton head 101, is clamped in the second clamping hole 31 to fix the swab 10 for the second time. The piston 4 is arranged at the upper part of the tube body 1 and is used for compressing the volume of the first chamber 11 to realize the extraction of the gene sample. The liquid injection pipe 5 is communicated with the first chamber 11, and the communication position of the liquid injection pipe 5 and the first chamber 11 is positioned between the first clamping part 2 and the piston 4, so as to inject a reagent into the first chamber 11. Promote the reagent in the air extrusion first chamber 11 through piston 4, make reagent flow to liquid outlet 71 through first joint hole 21 to draw out the gene sample of cotton head 101, through adding reagent many times and promoting piston 4 to extrude the mode that has the reagent of gene sample and can draw out the gene sample of cotton head 101 completely, and easy operation, efficient.

Optionally, the tube 1 is cylindrical, and has an opening at its upper end and a liquid outlet 71 at its lower end, and the tube 1 is used for supporting the swab 10 and containing the reagent.

Further, first joint portion 2 is the toper, and its conical top is in order to form the toper chamber that holds reagent for body 1 evagination, and first joint hole 21 is located conical top department, and the cotton head 101 of swab 10 is located the conical cavity least significant end promptly, can just can not have cotton head 101 to realize gene sample's extraction with a small amount of reagent, and also be convenient for concentrate on the cotton head 101 of conical top department with pressure during the extrusion reagent to in order to extract gene sample fast whole.

Alternatively, after the swab 10 is broken by the breaking portion 102, the overlapping portion 103 of the swab can overlap the second snap hole 31. The fixing of the two ends of the swab 10 is realized through the combined action of the first clamping part 2, the second clamping part 3 and the overlapping part 103, and the stability of the swab 10 is enhanced.

Illustratively, the second clamping portion 3 is mounted on the inner wall of the tube 1 to clamp the swab 10 at a side away from the cotton head 101. The second clamping portion 3 is provided with a plurality of air holes so that air can pass through the piston 4 when the piston moves.

Piston 4 demountable installation is in the opening part of body 1, and it is the rubber material so that strengthen piston 4 to the sealed of body 1. The end of the piston 4 away from the tube 1 is provided with a push rod 41, so that the user can push or pull the push rod 41 to move the piston 4 back and forth. When the device is used, the piston 4 is firstly moved out of the tube body 1, the swab 10 passes through the second clamping hole 31 to reach the first clamping portion 2, the cotton head portion 101 of the swab 10 is clamped in the first clamping hole 21, the holding portion 20 is held by a hand to be twisted, so that the swab 10 is broken off from the broken portion 102, the lap portion 103 is lapped at the second clamping hole 31 after being broken, the two ends of the swab 10 are fixed, the piston 4 is installed at the opening of the tube body 1 after the swab 10 is fixed, and the push rod 41 is pushed to achieve the extraction of a gene sample.

Optionally, the reagent can be continuously injected into the conical cavity through the liquid injection pipe 5 until the gene sample is completely extracted, so that the extraction efficiency of the gene sample is improved. When the device is used, the reagent is injected into the conical cavity through the injection pipe 5, the reagent at least overflows the cotton head 101 to dissolve the gene sample of the cotton head 101 into the reagent, the push rod 41 is pushed, the push rod 41 pushes the piston 4 to move towards the direction of the second clamping part 3, the air in the first chamber 11 is pushed to the cotton head 101 at the conical top, the reagent is extruded out from a gap between the cotton head 101 and the first clamping hole 21 along with the gradual increase of the pressure, and meanwhile, the gene sample of the cotton head 101 is taken out, so that the gene sample is extracted. It can be understood that there is a certain distance between the second clamping portion 3 and the opening of the tube body 1 so that the piston 4 has enough movement to extrude the reagent to extract the gene sample, that is, the reagent in the conical cavity can be completely extruded before the piston 4 moves to the position of the second clamping portion 3. Of course, in order to better extract the gene sample, the amount of the reagent added does not exceed the conical cavity, and the amount of the reagent added exceeds the cotton head 101, so that the gene sample can be extracted and the concentration of the gene sample can be ensured by moving the piston 4.

Optionally, the gene sample extractor further comprises a liquid storage tank 6, the liquid storage tank 6 is communicated with the liquid injection pipe 5, and the liquid storage tank 6 can store a certain amount of reagent to realize continuous extraction of the gene sample. Further, the shell of the liquid storage tank 6 is made of a flexible and squeezable material, and when the device is used, the air in the first chamber 11 can be pushed to squeeze the reagent in a manner of squeezing the liquid storage tank 6, so that the gene sample of the cotton head 101 can be extracted, and at the moment, the piston 4 is only used for sealing the opening of the tube body 1.

Optionally, in order to further improve the reagent discharging efficiency, a tapered liquid outlet portion 7 is disposed at the lower end of the tube 1, and a liquid outlet 71 is disposed at the top of the tapered liquid outlet portion 7, so as to ensure that the reagent is completely discharged, thereby reducing the amount of liquid accumulated. Preferably, the liquid outlet 71, the first engaging hole 21 and the second engaging hole 31 are all located on the axis of the tube body 1, so that the reagent with the gene sample directly flows to the liquid outlet 71 from the first engaging hole 21 during extraction, and the adhesion of the reagent on the liquid outlet portion 7 is reduced.

To facilitate understanding of the gene sample extractor provided in this embodiment, the following description is made on the use process of the gene sample extractor provided in this embodiment:

1) taking the piston 4 out of the tube body 1;

2) opening the swab collector, taking out the swab 10 with the holding part 20 and the protection part, holding the holding part 20 with a thumb and a forefinger, putting the swab 10 into the tube body 1 in the gene sample collector through the second clamping part 3, clamping the cotton head part 101 of the swab 10 in the first clamping hole 21, forcibly twisting the holding part 20 at the moment, breaking the swab 10 along the breaking part 102, and overlapping the broken swab 10 on the second clamping part 3 through the overlapping part 103;

3) the piston 4 is arranged at the opening of the tube body 1;

4) injecting a reagent into the conical chamber through the injection tube 5, wherein the reagent at least submerges the cotton head part 101;

5) the push rod 41 is pushed, the piston 4 moves downwards along the opening of the first chamber 11, the piston 4 pushes the airflow in the first chamber 11 to extrude the reagent in the conical chamber, so that the reagent flows to the liquid outlet part 7 through the first clamping hole 21, the gene sample in the cotton head part 101 is extruded, and the reagent with the gene sample flows out through the liquid outlet 71, so that the gene sample is extracted; certainly, the push rod 41 may not be pushed, and the extrusion of the air in the first chamber 11 to the reagent is pushed by extruding the liquid storage tank 6, so as to realize the extraction of the gene sample;

6) and repeating the steps 4) and 5) until the gene sample in the cotton head 101 is completely extracted.

It can be understood that the above steps 3) and 4) can be interchanged in sequence, that is, the reagent can be injected into the tapered cavity through the injection tube 5, and then the piston 4 is installed at the opening of the tube body 1.

The embodiment of the utility model provides a still provide a gene sample acquisition device, including foretell gene sample collector and/or gene sample extractor.

It can be further understood that, in the embodiment, the gene sample collector and the gene sample extractor are used in cooperation with a device for collecting and extracting a gene sample, and in actual use, only one structure of the gene sample collector or the gene sample extractor may be used according to actual needs, which is not limited to the embodiment.

To sum up, the gene sample extractor provided by the utility model is convenient for liquid to flow out by arranging the liquid outlet 71 at the lower end of the tube body 1, the first clamping part 2 is arranged in the tube body 1 and is positioned above the liquid outlet 71, the first clamping part 2 and the tube body 1 form the first cavity 11 so as to contain the reagent, the first clamping part 2 is provided with the first clamping hole 21, and the cotton head part 101 of the swab 10 is clamped in the first clamping hole 21 so as to realize the primary fixation of the swab 10; a second clamping portion 3 is further arranged, the second clamping portion 3 is arranged in the first chamber 11, a second clamping hole 31 is formed in the second clamping portion 3, the overlapping portion 103 of the swab 10 is overlapped on the second clamping hole 31, and the swab 10 is fixed through the combined action of the first clamping portion 2, the second clamping portion 3 and the overlapping portion 103; the upper part of the tube body 1 is provided with a piston 4 for compressing the volume of the first chamber 11 to extrude the reagent, so as to realize the extraction of the gene sample; arranging an injection pipe 5, wherein the injection pipe 5 is communicated with the first chamber 11, and the communication position of the injection pipe 5 and the first chamber 11 is positioned between the first clamping part 2 and the piston 4 so as to conveniently inject a reagent into the first chamber 11; a liquid storage tank 6 is further arranged, the liquid storage tank 6 is communicated with the liquid injection pipe 5, the liquid storage tank 6 can store a certain amount of reagent to realize continuous extraction of the gene sample, a shell of the liquid storage tank 6 is further made of a flexible and extrudable material, in use, the air in the first chamber 11 can be pushed to extrude the reagent in a manner of extruding the liquid storage tank 6, so that the extraction of the gene sample of the cotton head 101 is realized, and at the moment, the piston 4 is only used for sealing the opening of the pipe body 1; the reagent is added into the first chamber 11 for multiple times through the liquid injection pipe 5, and the reagent with the gene sample can be extruded by pushing the piston 4 or extruding the liquid storage tank 6, so that the gene sample of the cotton head 101 is completely extracted, and the method is simple to operate and high in efficiency.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. A gene sample collector is characterized by comprising:

a swab (10) comprising a cotton head (101) arranged at one end of the swab (10) and a lap part (103) arranged at the other end of the swab (10);

an umbrella-shaped protective part (30) connected to the other end of the swab (10) by a break-off part (102), the bridge part (103) being located between the break-off part (102) and the cotton head (101);

and the holding part (20) is fixedly connected with the umbrella-shaped protection part (30).

2. The gene sample collector according to claim 1, further comprising a storage tube (40), wherein the holding part (20) is detachably connected with an opening of the storage tube (40), and the swab (10) is positioned in the storage tube (40).

3. A gene sample extractor, comprising:

the lower end of the tube body (1) is provided with a liquid outlet (71);

the first clamping portion (2) is arranged in the tube body (1) and located above the liquid outlet (71), the first clamping portion (2) is matched with the tube body (1) above the first clamping portion to form a first cavity (11), and a first clamping hole (21) is formed in the first clamping portion (2) and used for clamping a cotton head portion (101) of the swab (10);

the second clamping part (3) is arranged in the first cavity (11), and a second clamping hole (31) is formed in the second clamping part (3);

a piston (4) arranged at the upper part of the tube body (1) and used for compressing the volume of the first chamber (11);

and the liquid injection pipe (5) is communicated with the first chamber (11), and the communication position of the liquid injection pipe (5) and the first chamber (11) is positioned between the first clamping part (2) and the piston (4).

4. The gene sample extractor as claimed in claim 3, wherein the overlapping portion (103) of the swab (10) is overlapped with the second engaging hole (31).

5. The gene sample extractor as claimed in claim 3 or 4, wherein the second clamping portion (3) is provided with a plurality of air holes.

6. The genetic sample extractor as claimed in claim 3 or 4, further comprising a liquid storage tank (6), wherein the liquid storage tank (6) is communicated with the liquid injection pipe (5).

7. The gene sample extractor according to claim 6, wherein the housing of the reservoir (6) is of a flexible and compressible material.

8. The gene sample extractor as claimed in claim 3 or 4, wherein the lower end of the tube (1) is provided with a conical liquid outlet portion (7) outwards, and the conical top of the conical liquid outlet portion (7) is provided with the liquid outlet (71).

9. The gene sample extractor according to claim 3 or 4, wherein the liquid outlet (71), the first snap-in hole (21) and the second snap-in hole (31) are all located on the axis of the tube body (1).

10. A gene sample acquisition device, characterized by comprising a gene sample collector according to any one of claims 1-2 and/or a gene sample extractor according to any one of claims 3-9.