CN221308249U

CN221308249U - Vaginal sampler special for sampling cervical secretion

Info

Publication number: CN221308249U
Application number: CN202420270951.XU
Authority: CN
Inventors: 卢昱蓉; 顾永忠
Original assignee: Shandong Provincial Hospital Affiliated to Shandong First Medical University
Current assignee: Shandong Provincial Hospital Affiliated to Shandong First Medical University
Priority date: 2024-02-04
Filing date: 2024-02-04
Publication date: 2024-07-12
Anticipated expiration: 2034-02-04

Abstract

The utility model provides a transvaginal sampler special for sampling cervical secretions, which comprises a protective cover, a sampling device, a push-pull shielding device and a guide slideway, wherein the protective cover is arranged on the guide slideway; wherein the protective cover has an inner accommodating space, a first opening and a second opening; the sampling device is provided with a sampling rod and a sampling head; the push-pull shielding device is arranged on the protective cover; the guide slide is used for guiding the movement of the shielding sheet. When the sampling device is used, the push-pull shielding device is pulled downwards, so that the shielding sheet moves downwards, the first opening is opened, and then the sampling head is pushed to extend out of the first opening for sampling; after sampling, the sampling head is pulled back, and then the push-pull shielding device is pushed to move upwards, so that the shielding sheet moves upwards and the first opening is closed. That is, the transvaginal sampler specially used for sampling cervical secretions of the present utility model does not touch the vaginal wall when taking the cervical secretion sample, and thus is not contaminated by the vaginal wall flora, and thus does not affect the accuracy of the test result.

Description

Vaginal sampler special for sampling cervical secretion

Technical Field

The utility model relates to the technical field of medical appliances for gynecological examination, in particular to a transvaginal sampler special for sampling cervical secretions.

Background

Cervical secretions are fluids secreted by the endocervical and glandular glands of women, and consist mainly of water, mucus and proteins. It plays an important role in protecting female reproductive system, can prevent germs and other harmful substances from entering uterine cavity, and can provide a proper environment to promote the survival and movement of sperms. Cervical mucus plugs are important structures in protecting uterus during pregnancy and preventing pathogens from vagina from up-flowing to infect uterus, and accurately find pathogen invasion and protein composition change of cervical secretions, and are important for evaluating intrauterine infection conditions and pregnancy complications of patients.

In order to be able to evaluate the condition of an intrauterine infection of a patient correctly, it is necessary to sample the cervical secretions using a sampler. The existing secretion sampler consists of an outer package and a long cotton swab. When the vaginal sampling is performed, the vaginal opening is firstly peeped by the speculum to expose the cervical opening, then the external package of the secretion sampler is torn, then the long cotton swab is stretched into the vagina, and the long cotton swab is taken out for inspection after sampling. The purpose of sampling is to collect a sample of vaginal secretions to analyze vaginal micro-ecology and vaginal flora. The problem with this method is that when the vaginal speculum is used to peep the vaginal orifice and then the cervical secretion sample is collected through the vagina, the secretion sample easily touches the vaginal wall and is contaminated by the vaginal wall flora, thereby affecting the accuracy of the test result.

Therefore, how to design a special transvaginal sampler for sampling cervical secretions, which does not touch the vaginal wall when taking a cervical secretion sample and is not polluted by vaginal wall flora, is an unsolved technical problem in the prior art.

Disclosure of utility model

Therefore, the technical problem to be solved by the utility model is to overcome the technical defects that the secretion sampler in the prior art is composed of an outer package and a long cotton swab, the vaginal wall is easy to touch when the long cotton swab is used for collecting a vaginal secretion sample, and the secretion sample is polluted by vaginal wall flora so as to influence the accuracy of a test result, so that the vaginal sampler special for sampling cervical secretion, which is not touched to the vaginal wall and is not polluted by the vaginal wall flora, is provided.

To this end, the utility model provides a transvaginal sampler specifically for sampling cervical secretions, comprising:

The protective cover is provided with an internal accommodating space, a first opening is formed in the top end of the protective cover, a second opening is formed in the bottom end of the protective cover, and the first opening and the second opening are vertically opposite and are communicated with the internal accommodating space;

The sampling device is provided with a sampling rod and a sampling head fixedly arranged at one end of the sampling rod, the sampling head stretches into the internal accommodating space of the protective cover from the second opening, and the tail end of the sampling rod stretches out from the second opening for a certain length;

the push-pull shielding device is movably arranged on the protective cover and is provided with a shielding sheet;

the guide slideway is arranged on the protective cover and used for guiding the movement of the shielding sheet;

Under the action of external force, when the push-pull shielding device moves upwards relative to the protective cover, the shielding piece moves upwards under the guiding action of the guiding slide way, is blocked between the first opening and the sampling head, and closes the first opening;

Under the action of external force, when the push-pull shielding device moves downwards relative to the protective cover, the shielding piece moves downwards under the guiding action of the guiding slide way, is not blocked between the first opening and the sampling head any more, and opens the first opening.

As a preferred aspect, the protective cover includes:

A first cover having a first internal accommodating space and the first opening communicating with the first internal accommodating space;

A second cover having a second inner accommodating space and the second opening communicating with the second inner accommodating space;

The bottom end of the first cover body is fixedly connected with the top end of the second cover body, and the first inner accommodating space and the second inner accommodating space are communicated to form the inner accommodating space;

The outer diameter of the first cover body is larger than that of the second cover body, and a step surface is formed;

The two guide slide ways are symmetrically arranged on the side wall of the first cover body and comprise a first part extending along the axial direction of the first cover body and a second part which is close to the first opening and is basically vertical to the axial direction of the first cover body, and the first part is smoothly connected with the second part;

the step surface is provided with a lower opening communicated with the first inner accommodating space, and the shielding sheet penetrates through the lower opening.

As a preferred solution, the push-pull shielding device includes:

The sliding seat is sleeved on the outer side wall of the second cover body in a sliding manner;

The shielding piece comprises a shielding part and a connecting part, the shielding part is positioned in the first internal accommodating space, and two sides of the shielding part extend into the guide slide way and can slide under the guide action of the guide slide way; the connecting part is connected with the tail end of the shielding part and penetrates out of the first inner accommodating space downwards from the lower opening position;

The sliding block is fixedly connected with the sliding seat and/or the part of the connecting part extending out of the first internal accommodating space and used for driving the sliding seat to axially move back and forth along the second cover body.

As a preferable scheme, the device also comprises a shell, wherein the top is provided with a shell upper opening, the bottom is provided with a shell lower opening, and the shell upper opening is opposite to the first opening up and down;

The protective cover and the sliding seat extend into the shell from the lower opening of the shell, and the outer wall of the sliding seat is in fit contact with the inner wall of the shell;

A side opening is formed in the side wall of the shell, and the push-pull block extends outwards from the position of the side opening.

As a preferred aspect, the push-pull block includes a straight portion and a first inclined portion, the straight portion being distant from the connecting portion by a certain distance; the lower end of the straight part is fixedly connected with the connecting part or the sliding seat through the first inclined part;

preferably, the push-pull block further comprises a second inclined portion, and one end of the second inclined portion is fixedly connected with the upper end of the straight portion.

As a preferable scheme, the sampling rod also comprises a base, wherein the middle of the base is provided with a mounting cavity for being inserted with the tail end of the sampling rod.

As a preferable scheme, the device further comprises an outer cover which is sleeved outside the shell and can be detachably connected with the base.

As a preferred aspect, the housing has a housing lower open end; the base is provided with an annular upper opening end; the annular upper opening end can be inserted into the lower opening end of the outer cover to realize pluggable plug connection.

As a preferable scheme, the length of the sampling rod is 13-15cm, and the diameter is 0.1-0.3cm; the length of the sampling head is 1.4-1.6cm, and the diameter of the sampling head is 0.4-0.6cm.

As a preferable scheme, the length of the first cover body is 1-3cm, and the inner diameter is 0.7-0.9cm; the length of the second cover body is 8-10cm, and the inner diameter is 0.2-0.4cm.

The technical scheme provided by the utility model has the following advantages:

1. The utility model discloses a transvaginal sampler special for sampling cervical secretions, which comprises a protective cover, a sampling device, a push-pull shielding device and a guide slideway; the protective cover is provided with an internal accommodating space, a first opening is formed in the top end of the protective cover, a second opening is formed in the bottom end of the protective cover, and the first opening and the second opening are vertically opposite and are communicated with the internal accommodating space; the sampling device is provided with a sampling rod and a sampling head, the sampling head stretches into the internal accommodating space of the protective cover from the second opening, and the tail end of the sampling rod stretches out of the second opening for a certain length; the push-pull shielding device is movably arranged on the protective cover and is provided with shielding sheets; the guide slideway is arranged on the protective cover and used for guiding the movement of the shielding sheet.

When the device is used, the push-pull shielding device is pulled downwards, the shielding sheet moves downwards under the guiding action of the guiding slideway, is not blocked between the first opening and the sampling head any more, and the first opening is opened, so that the sampling head can be pushed out of the first opening for sampling; after sampling, the sampling head is pulled back into the protective cover, then the push-pull shielding device is pushed upwards, the shielding piece moves upwards under the guiding action of the guiding slideway, is blocked between the first opening and the sampling head, and closes the first opening.

That is, the transvaginal sampler specially used for sampling cervical secretions of the present utility model does not touch the vaginal wall when taking the cervical secretion sample, and thus is not contaminated by the vaginal wall flora, and thus does not affect the accuracy of the test result.

2. The utility model discloses a special transvaginal sampler for sampling cervical secretions, which comprises two guide slide ways, wherein the two guide slide ways are symmetrically arranged on the side wall of a first cover body and are provided with a first part and a second part which are smoothly connected; the step surface is provided with a lower opening communicated with the first internal accommodating space, and the shielding sheet passes through the lower opening and enters the first internal accommodating space; the guide slide way is used for guiding the movement of the shielding sheet to prevent the shielding sheet from sliding off.

3. The utility model relates to a transvaginal sampler special for sampling cervical secretions, wherein a push-pull shielding device comprises a sliding seat, a shielding sheet and a push-pull block; the sliding seat is sleeved on the outer side wall of the second cover body in a sliding manner; the shielding sheet has a shielding portion and a connecting portion; the shielding part is positioned in the first internal accommodating space, and two sides of the shielding part extend into the guide slide ways and can slide under the guide action of the guide slide ways; the connecting part is connected with the tail end of the shielding part and downwards penetrates out of the first inner accommodating space from the lower opening position; the push-pull block is used for driving the sliding seat to axially move back and forth along the second cover body; the sliding seat is used for fixing and limiting the shielding sheet and the sliding block, the shielding part of the shielding sheet shields the first opening, and the sliding block can enable the shielding sheet and the sliding seat to move; through the cooperation of sliding seat, shielding piece and push-and-pull piece, can shelter from first opening to protect inside.

4. The utility model relates to a transvaginal sampler special for sampling cervical secretions, wherein a shell is provided with an upper shell opening and a lower shell opening; the protective cover and the sliding seat extend into the shell from the lower opening of the shell, and the outer wall of the sliding seat is in fit contact with the interior of the shell; the side wall of the shell is provided with a side opening, and the push-pull block extends outwards from the side opening; the shell can protect the device inside, still plays convenient to use comfortable effect when the sample.

5. The utility model relates to a transvaginal sampler special for sampling cervical secretion, wherein a push-pull block comprises a straight part, a first inclined part and a second inclined part; wherein the straight part is separated from the connecting part by a certain distance, and the lower end of the straight part is fixedly connected with the connecting part or the sliding seat through the first inclined part; one end of the second inclined part is fixedly connected with the upper end of the straight part; when the push-pull block is used, the first inclined part and the second inclined part of the push-pull block can enable the push-pull to be more convenient for exerting force.

6. The utility model discloses a transvaginal sampler special for sampling cervical secretions, wherein an installation cavity is arranged in the middle of a base and is used for being spliced with the tail end of a sampling rod; the base can fix the sampling rod to make things convenient for the push-and-pull of sampling rod.

7. The transvaginal sampler of the utility model is specially used for sampling cervical secretions, and the outer cover is provided with an outer cover lower opening end; the base is provided with an annular upper opening end; the outer cover is sleeved outside the outer shell and can be connected with the base in a plug-in manner; the housing may protect the internal device.

Drawings

In order to more clearly illustrate the technical solutions in the prior art or in the embodiments of the present utility model, the following brief description is given of the drawings used in the description of the prior art or the embodiments.

Fig. 1 is a schematic view of the overall structure of a transvaginal sampler of the present utility model, particularly for cervical secretion sampling.

Fig. 2 is a schematic structural view of the protective cover.

Fig. 3 is a schematic structural view of the push-pull shielding device.

Fig. 4 is a schematic structural view of the sampling device.

Fig. 5 is a schematic view of the structure of fig. 1 after assembling the housing and the base.

Fig. 6 is a schematic structural view of the housing.

Fig. 7 is another structural schematic of the housing.

Fig. 8 is a schematic structural view of the base.

Fig. 9 is a schematic structural view of the housing.

Reference numerals: 1. a protective cover; 11. a first opening; 12. a second opening; 13. a first cover; 14. a second cover; 15. a step surface; 151. a lower opening; 2. a sampling device; 21. a sampling rod; 22. a sampling head; 3. a push-pull shielding device; 31. a shielding sheet; 311. a shielding portion; 312. a connection portion; 32. a guide slideway; 321. a first portion; 322. a second portion; 33. a sliding seat; 34. a push-pull block; 340. a straight portion; 341. a first inclined portion; 342. a second inclined portion; 4. a housing; 41. an upper opening of the housing; 42. a housing lower opening; 43. a side opening; 5. a base; 51. a mounting cavity; 52. an annular upper open end; 6. an outer cover; 61. the lower open end of the outer cover.

Detailed Description

In order that those skilled in the art will better understand the present solution, a technical solution according to an embodiment of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiment is only a part of the embodiment of the present application, not all of the embodiment. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, shall fall within the scope of the application.

It should be noted that the terms "first," "second," and the like in the claims and description herein are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to those steps or elements that are expressly listed or inherent to such process, method, article, or apparatus.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present application and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations. Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present application can be understood by those skilled in the art according to the specific circumstances. In addition, the term "plurality" shall mean two as well as more than two. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.

The application will be described in detail below with reference to the drawings in connection with embodiments.

Examples

This embodiment provides a transvaginal sampler specifically for cervical secretion sampling, as shown in fig. 1, comprising: the device comprises a protective cover 1, a sampling device 2, a push-pull shielding device 3 and a guide slideway 32; the protective cover 1 is provided with an internal accommodating space, a first opening 11 is formed in the top end of the protective cover, a second opening 12 is formed in the bottom end of the protective cover, and the first opening 11 and the second opening 12 are vertically opposite and are communicated with the internal accommodating space; the sampling device 2 is provided with a sampling rod 21 and a sampling head 22 fixedly arranged at one end of the sampling rod 21, the sampling head 22 extends into the internal accommodating space of the protective cover 1 from the second opening 12, and the tail end of the sampling rod 21 extends outwards from the second opening 12 for a certain length; a push-pull shielding device 3 is movably arranged on the protective cover 1 and is provided with a shielding sheet 31; a guiding slideway 32 is arranged on the protective cover 1 and is used for guiding the movement of the shielding sheet 31; when the push-pull shielding device 3 moves upwards relative to the protective cover 1 under the action of external force, the shielding piece 31 moves upwards under the guiding action of the guiding slideway 32, is blocked between the first opening 11 and the sampling head 22, and closes the first opening 11; when the push-pull shielding device 3 moves downwards relative to the protective cover 1 under the action of external force, the shielding piece 31 moves downwards under the guiding action of the guiding slideway 32, is not blocked between the first opening 11 and the sampling head 22 any more, and opens the first opening 11.

When the device is used, the push-pull shielding device 3 is pulled downwards, the shielding piece 31 moves downwards under the guiding action of the guiding slideway 32, is not blocked between the first opening 11 and the sampling head 22 any more, and the first opening 11 is opened, and at the moment, the sampling head 22 can be pushed out of the first opening 11 for sampling; after sampling, the sampling head 22 is pulled back into the protective cover 1, then the push-pull shielding device 3 is pushed upwards, the shielding piece 31 moves upwards under the guiding action of the guiding slide way 32, is blocked between the first opening 11 and the sampling head 22, and closes the first opening 11.

That is, the vaginal sampler specially used for sampling cervical secretions in the present embodiment does not touch the vaginal wall when taking the cervical secretion sample, and thus is not contaminated by the vaginal wall flora, and further does not affect the accuracy of the test result.

Specifically, as shown in fig. 2, the protective cover 1 includes: the first cover 13 has a first internal accommodating space, and the first opening 11 communicating with the first internal accommodating space; the second cover 14 has a second inner accommodation space, and the second opening 12 communicating with the second inner accommodation space; the bottom end of the first cover 13 is fixedly connected with the top end of the second cover 14, and the first inner accommodating space and the second inner accommodating space are communicated to form the inner accommodating space; the outer diameter of the first cover 13 is larger than that of the second cover 14, and a step surface 15 is formed; the two guide sliding ways 32 are symmetrically arranged on the side wall of the first cover 13, and comprise a first part 321 extending along the axial direction of the first cover 13 and a second part 322 which is close to the first opening 11 and is basically vertical to the axial direction of the first cover 13, and the first part 321 is smoothly connected with the second part 322; the step surface 15 is provided with a lower opening 151 communicated with the first internal accommodating space, and the shielding sheet 31 passes through the lower opening 151; the guide rail 32 is used for guiding the movement of the shielding sheet 31 to prevent the shielding sheet 31 from sliding.

Specifically, as shown in fig. 3, the push-pull shielding device 3 includes: the sliding seat 33 is slidably sleeved on the outer side wall of the second cover body 14; the shielding piece 31 comprises a shielding part 311 and a connecting part 312, wherein the shielding part 311 is positioned in the first inner accommodating space, and two sides of the shielding part 311 extend into the guide slideway 32 and can slide under the guide action of the guide slideway 32; the connecting part 312 is connected with the tail end of the shielding part 311 and penetrates out of the first inner accommodating space downwards from the position of the lower opening 151; the push-pull block 34 is fixedly connected with the sliding seat 33 and/or the part of the connecting part 312 extending out of the first internal accommodating space, and is used for driving the sliding seat 33 to move back and forth along the axial direction of the second cover 14; the sliding seat 33 fixes and limits the shielding piece 31 and the sliding block 34, the shielding part 311 of the shielding piece 31 shields the first opening 11, and the sliding block 34 can enable the shielding piece 31 and the sliding seat 33 to move; through the cooperation of sliding seat 33, shielding piece 31 and push-and-pull piece 34, can shelter from first opening 11 to protect inside.

Preferably, as shown in fig. 5, 6 and 7, the device further comprises a housing 4, wherein the top part is provided with a housing upper opening 41, the bottom part is provided with a housing lower opening 42, and the housing upper opening 41 is opposite to the first opening 11 in a vertical direction; the protective cover 1 and the sliding seat 33 extend into the shell 4 from the lower opening 42 of the shell, and the outer wall of the sliding seat 33 is in fit contact with the inner wall of the shell 4; a side opening 43 is formed in the side wall of the shell 4, and the push-pull block 34 extends outwards from the position of the side opening 43; the housing 4 can protect the internal devices and also has the function of convenient and comfortable use during sampling.

As shown in fig. 3, the push-pull block 34 includes a straight portion 340 and a first inclined portion 341, the straight portion 340 being spaced apart from the connecting portion 312; the lower end of the straight portion 340 is fixedly connected with the connecting portion 312 or the sliding seat 33 through the first inclined portion 341; preferably, the push-pull block 34 further includes a second inclined portion 342, and one end of the second inclined portion 342 is fixedly connected to the upper end of the straight portion 340; in use, the first and second inclined portions 341, 342 of the push-pull block 34 may facilitate pushing and pulling.

Preferably, as shown in fig. 8, the device further comprises a base 5, wherein a mounting cavity 51 is arranged in the middle and is used for being spliced with the tail end of the sampling rod 21; the base 5 can fix the sampling rod 21 and facilitate the pushing and pulling of the sampling rod 21.

Preferably, as shown in fig. 9, the device further comprises a housing 6, which is sleeved outside the housing 4 and can be detachably connected with the base 5.

The housing 6 has a housing lower open end 61; the base 5 has an annular upper open end 52; the annular upper opening end 52 can be inserted into the lower opening end 61 of the outer cover to realize pluggable plug connection; the housing 6 may protect the internal devices.

As shown in fig. 4, in this embodiment, the length of the sampling rod 21 is 14cm, and the diameter is 0.2cm; the sampling head 22 has a length of 1.5cm and a diameter of 0.5cm.

As a variant, the length of the sampling rod 21 can be freely chosen within the range of 13-15cm, and the diameter within the range of 0.1-0.3 cm; the length of the sampling head 22 can be freely selected in the range of 1.4-1.6cm and the diameter in the range of 0.4-0.6 cm.

In this embodiment, the length of the first cover 13 is 2cm, and the inner diameter is 0.8cm; the second housing 14 has a length of 9cm and an inner diameter of 0.3cm.

As a variant, the length of the first cover 13 can be freely chosen within the range of 1-3cm, and the inner diameter within the range of 0.7-0.9cm; the length of the second housing 14 can be freely selected in the range of 8-10cm and the inner diameter in the range of 0.2-0.4cm.

The transvaginal sampler used specifically for sampling cervical secretions in this example was used as follows: when the device is used, the push-pull shielding device 3 is pulled downwards, the shielding piece 31 moves downwards under the guiding action of the guiding slideway 32, is not blocked between the first opening 11 and the sampling head 22 any more, the first opening 11 is opened, and then the sampling head 22 is pushed to extend out of the first opening 11 for sampling; after sampling, the sampling head 22 is pulled back into the protective cover 1, then the push-pull shielding device 3 is pushed upwards, the shielding piece 31 moves upwards under the guiding action of the guiding slide way 32, is blocked between the first opening 11 and the sampling head 22, and closes the first opening 11.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious changes and modifications which are extended therefrom are still within the scope of the present innovative teachings.

Claims

1. A transvaginal sampler for sampling cervical secretions, comprising:

The protective cover (1) is provided with an internal accommodating space, a first opening (11) is formed in the top end of the protective cover, a second opening (12) is formed in the bottom end of the protective cover, and the first opening (11) and the second opening (12) are vertically opposite and are communicated with the internal accommodating space;

The sampling device (2) is provided with a sampling rod (21) and a sampling head (22) fixedly arranged at one end of the sampling rod (21), the sampling head (22) stretches into the internal accommodating space of the protective cover (1) from the second opening (12), and the tail end of the sampling rod (21) stretches out from the second opening (12) for a certain length;

A push-pull shielding device (3) movably arranged on the protective cover (1) and provided with a shielding sheet (31);

A guide slideway (32) which is arranged on the protective cover (1) and is used for guiding the movement of the shielding sheet (31);

When the push-pull shielding device (3) moves upwards relative to the protective cover (1) under the action of external force, the shielding piece (31) moves upwards under the guiding action of the guiding slideway (32), is blocked between the first opening (11) and the sampling head (22), and closes the first opening (11);

Under the action of external force, when the push-pull shielding device (3) moves downwards relative to the protective cover (1), the shielding piece (31) moves downwards under the guiding action of the guiding slide way (32), is not blocked between the first opening (11) and the sampling head (22) any more, and opens the first opening (11).

2. Transvaginal sampler, especially for sampling cervical secretions according to claim 1, characterized in that the protective cover (1) comprises:

A first cover (13) having a first internal accommodating space, and the first opening (11) communicating with the first internal accommodating space;

A second cover (14) having a second internal accommodating space, and the second opening (12) communicating with the second internal accommodating space;

The bottom end of the first cover body (13) is fixedly connected with the top end of the second cover body (14), and the first inner accommodating space and the second inner accommodating space are communicated to form the inner accommodating space;

The outer diameter of the first cover body (13) is larger than that of the second cover body (14), and a step surface (15) is formed;

The two guide slide ways (32) are symmetrically arranged on the side wall of the first cover body (13), and comprise a first part (321) extending along the axial direction of the first cover body (13) and a second part (322) which is close to the first opening (11) and is basically vertical to the axial direction of the first cover body (13), and the first part (321) is smoothly connected with the second part (322);

The step surface (15) is provided with a lower opening (151) communicated with the first inner accommodating space, and the shielding sheet (31) passes through the lower opening (151).

3. Transvaginal sampler, especially for cervical secretion sampling according to claim 2, characterized in that the push-pull shielding device (3) comprises:

the sliding seat (33) is sleeved on the outer side wall of the second cover body (14) in a sliding manner;

The shielding piece (31) comprises a shielding part (311) and a connecting part (312), wherein the shielding part (311) is positioned in the first inner accommodating space, and two sides of the shielding part extend into the guide slideway (32) and can slide under the guide action of the guide slideway (32); the connecting part (312) is connected with the tail end of the shielding part (311) and downwards penetrates out of the first inner accommodating space from the position of the lower opening (151);

The push-pull block (34) is fixedly connected with the sliding seat (33) and/or the part of the connecting part (312) extending out of the first inner accommodating space and used for driving the sliding seat (33) to axially move back and forth along the second cover body (14).

4. A transvaginal sampler for cervical secretion sampling as claimed in claim 3 wherein: the device also comprises a shell (4), wherein the top is provided with a shell upper opening (41), the bottom is provided with a shell lower opening (42), and the shell upper opening (41) is opposite to the first opening (11) up and down;

The protective cover (1) and the sliding seat (33) extend into the shell (4) from the lower opening (42) of the shell, and the outer wall of the sliding seat (33) is in fit contact with the inner wall of the shell (4);

a side opening (43) is formed in the side wall of the shell (4), and the push-pull block (34) extends outwards from the side opening (43).

5. A transvaginal sampler for cervical secretion sampling as claimed in claim 3 wherein: the push-pull block (34) comprises a straight portion (340) and a first inclined portion (341), the straight portion (340) being at a distance from the connecting portion (312); the lower end of the straight part (340) is fixedly connected with the connecting part (312) or the sliding seat (33) through the first inclined part (341);

The push-pull block (34) further comprises a second inclined portion (342), and one end of the second inclined portion (342) is fixedly connected with the upper end of the straight portion (340).

6. The transvaginal sampler for cervical secretion sampling specifically according to claim 4, wherein: the sampling rod also comprises a base (5), and a mounting cavity (51) is arranged in the middle and is used for being inserted with the tail end of the sampling rod (21).

7. The transvaginal sampler for cervical secretion sampling specifically according to claim 6, wherein: the novel portable electric power tool also comprises an outer cover (6) which is sleeved outside the outer shell (4) and can be detachably connected with the base (5).

8. The transvaginal sampler for cervical secretion sampling specifically according to claim 7, wherein: the housing (6) has a housing lower open end (61); the base (5) has an annular upper open end (52); the annular upper opening end (52) can be inserted into the lower opening end (61) of the outer cover to realize pluggable plug connection.

9. Transvaginal sampler, especially for sampling cervical secretions according to claim 1, characterized in that the sampling rod (21) has a length of 13-15cm and a diameter of 0.1-0.3cm; the length of the sampling head (22) is 1.4-1.6cm, and the diameter is 0.4-0.6cm.

10. The transvaginal sampler for cervical secretion sampling specifically according to claim 2, wherein: the length of the first cover body (13) is 1-3cm, and the inner diameter is 0.7-0.9cm; the length of the second cover body (14) is 8-10cm, and the inner diameter is 0.2-0.4cm.