CN219846644U

CN219846644U - Novel endometrial sampler

Info

Publication number: CN219846644U
Application number: CN202320992226.9U
Authority: CN
Inventors: 陈世民; 段卫涛; 杨文辉
Original assignee: Wuhan Kaideweisi Biotechnology Co ltd
Current assignee: Wuhan Kaideweisi Biotechnology Co ltd
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2023-10-20
Anticipated expiration: 2033-04-27

Abstract

The utility model relates to a novel endometrium sampler, which comprises a sleeve, a handle, an outer sleeve and a sampling brush assembly, wherein the interior of the sleeve is hollow, and both ends of the sleeve are open; the sampling brush component is arranged in the sleeve, the outer sleeve is coaxially and slidably arranged in the sleeve, a cavity with an open end is arranged in one end of the outer sleeve, and the cavity is fixedly sleeved outside one end of the sampling brush component; the other end of the outer sleeve extends out of the other end of the sleeve, steps are oppositely arranged on the outer sleeve, and buckling grooves are oppositely arranged on the two steps; two elastic sheets with elasticity are fixedly connected to one end of the handle at intervals, one ends of the two elastic sheets are respectively hooked and can be respectively buckled into the two buckling grooves; one end of the handle is provided with a fixing piece for fixing the two elastic sheets. The utility model has the advantages of simple structure and reasonable design, can realize rapid sampling of endometrium, ensures more surface sampling and ensures comfort of patients during sampling; in addition, the handle and the bulb are convenient to assemble and disassemble, and time and labor are saved.

Description

Novel endometrial sampler

Technical Field

The utility model relates to the technical field of endometrial samplers, in particular to a novel endometrial sampler.

Background

Endometrial cancer is one of the three major malignant tumors of the female genital tract, and its incidence has been the first place in gynaecological malignant tumors in the region of euromes. In recent years, the incidence of endometrial cancer has been significantly increased due to factors such as rapid economic development, changes in lifestyle and dietary structure, and widespread use of hormone therapy in China. Clinically, endometrial cancer is mainly diagnosed by taking an endometrial specimen through an endometrial curet, but the method is a non-repeatable and invasive definite diagnosis method, and brings great pain to patients, and about 80% of the detected subjects have negative final detection results. Therefore, a noninvasive screening method for preventing uterine tumor is needed in China. In recent years, there are a number of patents on endometrial samplers in China, mainly implemented in the following two ways: one is balloon or brush type collection of mucosal cells, and the other is collection of liquid tissue by negative pressure aspiration. The above instruments are all required to be inserted through the cervix, cervical stenosis possibly exists during insertion, the instruments are not easy to be inserted into the uterine cavity, and pain and discomfort can be caused to patients; in addition, the handle of the sampler is fixed with the sampler body, and the disassembly and the assembly are inconvenient.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a novel endometrium sampler and aims to solve the problem in the prior art.

The technical scheme for solving the technical problems is as follows:

the novel endometrium sampler comprises a sleeve, a handle, an outer sleeve and a sampling brush assembly, wherein the interior of the sleeve is hollow, and both ends of the sleeve are open; the sampling brush assembly is arranged in the sleeve, the outer sleeve is coaxially and slidably arranged in the sleeve, a cavity with an open end is formed in one end of the outer sleeve, the cavity is fixedly sleeved outside one end of the sampling brush assembly, and the outer sleeve can drive the sampling brush assembly to move until all or part of the sampling brush assembly extends outside one end of the sleeve;

the other end of the outer sleeve extends out of the other end of the sleeve, steps are oppositely arranged on the outer sleeve, and buckling grooves are oppositely arranged on the two steps; two elastic sheets with elasticity are fixedly connected to one end of the handle at intervals, and one ends of the two elastic sheets are respectively hooked and can be respectively buckled into the two buckling grooves; one end of the handle is provided with a fixing piece for fixing the two elastic sheets.

The beneficial effects of the utility model are as follows: when sampling is performed, firstly, medical staff drives the outer sleeve to move through the handle, so that the sampling brush component is completely contained in the sleeve; then, one end of the sleeve is inserted into the uterus, and the handle drives the outer sleeve to move so that all or part of the sampling brush assembly moves out of one end of the sleeve; finally, the outer sleeve and the sampling brush assembly are rotated through the handle, so that a sample is stuck on the sampling brush assembly, the whole equipment is pulled out, sampling is finished, sampling is convenient, and the comfort level of a patient is high;

in addition, the handle can be detachably connected with the other end of the outer sleeve through the two elastic sheets and is further fixed through the fixing piece, so that the handle is convenient to assemble and disassemble, and time-saving and labor-saving.

The utility model has the advantages of simple structure and reasonable design, can realize rapid sampling of endometrium, ensures more surface sampling and ensures comfort of patients during sampling; in addition, the handle is convenient to disassemble and assemble, and time and labor are saved.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, a fixing sleeve is sleeved on one end of the handle, and the fixing sleeve can move to the position where the fixing sleeve is arranged outside the two elastic sheets and positions or loosens the two elastic sheets.

The fixing sleeve is sleeved on one end of the handle, one ends of the two elastic sheets are manually buckled into the two buckling grooves respectively, and then one end of the manually movable fixing sleeve is sleeved outside the two elastic sheets, so that the fixing sleeve can effectively prevent one ends of the two elastic sheets from being separated from the two buckling grooves, the stability of the two elastic sheets is further improved, and the handle and the outer sleeve are stably connected;

when dismantling, manual removal fixed cover makes it loosen two elastic pieces, then makes the one end of two elastic pieces withdraw from in two catching grooves by hand to realize the separation of handle and outer tube, simple structure, reasonable in design, easy dismounting, labour saving and time saving.

Further, a thread section is arranged on the handle, the fixed sleeve is sleeved on the thread section in a threaded manner, and the fixed sleeve can rotate until one end of the fixed sleeve is sleeved outside the two elastic sheets or the two elastic sheets are loosened.

The technical scheme has the beneficial effects that when the fixing sleeve is dismounted, one end of the fixing sleeve is manually rotated to be sleeved outside the two elastic sheets or the two elastic sheets are loosened, so that the fixing sleeve is simple and convenient to operate, and time and labor are saved.

Further, the fixing piece is an elastic sleeve.

The technical scheme has the advantages that when the elastic sleeve is disassembled and assembled, the elastic sleeve is manually sleeved outside the two elastic sheets, so that the two elastic sheets tightly buckle the end part of the outer sleeve, and the two elastic sheets are tightly held by the elasticity of the elastic sleeve; or the elastic sleeve is enabled to loosen the two elastic sheets, so that the operation is simple and convenient, and the time and the labor are saved.

Further, the sampling brush assembly comprises a connecting rod and a brush, wherein the connecting rod is arranged in the sleeve, and one end of the connecting rod extends into the cavity and is fixedly connected with the cavity; the hairbrush is fixedly sleeved on the other end of the connecting rod.

The beneficial effects of adopting the further scheme are that when sampling is carried out, firstly, medical staff drives the outer sleeve to move through the handle, so that the connecting rod and the hairbrush are completely contained in the sleeve; then, one end of the sleeve is inserted into the uterus, and the handle drives the outer sleeve to move so that the connecting rod and the hairbrush completely or partially move out of one end of the sleeve; finally, the outer sleeve, the connecting rod and the hairbrush are rotated through the handle, so that the sample is stuck on the connecting rod and the hairbrush, the whole equipment is pulled out, the sampling is finished, the sampling is convenient, and the comfort level of a patient is high.

Further, the cross section of the hairbrush is in a trapezoid structure, and the thick end of the hairbrush is close to the end part of the other end of the connecting rod.

The beneficial effect of adopting above-mentioned further scheme is that the brush is trapezoidal arrangement, and the appearance is more laminating uterus inner chamber shape, can make the sample more comprehensive, simple structure, reasonable in design.

Further, the other end of the connecting rod is connected with a ball head.

The beneficial effect of adopting above-mentioned further scheme is that above-mentioned bulb is smooth globular structure, can make the sampler insert or the rotatory sampling time do not lead to the fact the damage to the uterus, patient's comfort when increasing the sample, simple structure, reasonable in design.

Further, the parts outside the ball head and/or outside the sleeve close to one end of the sleeve are respectively coated with a hydrophilic coating.

The adoption of the further scheme has the beneficial effects that after the hydrophilic coatings on the outer surfaces of the sleeve and the ball head are activated, the friction force between the surfaces of the sleeve and the ball head and the endometrium of a patient can be greatly reduced, so that the instrument is easy to insert into the uterine cavity, pain and discomfort of the patient can not be caused, and the comfort of the patient is ensured.

Further, the bulb is hollow and is provided with a through hole communicated with the inside; the other end of the connecting rod is provided with a tensioning piece which can shrink and extend into the ball head through the through hole and is unfolded to connect the ball head and the connecting rod.

The beneficial effects of adopting above-mentioned further scheme are that simple structure, reasonable in design can realize the other end of connecting rod and the quick assembly disassembly of bulb through the piece that rises, easy dismounting, labour saving and time saving.

Further, the tensioning piece comprises a plurality of tensioning pieces, and the tensioning pieces are arranged at the other end of the connecting rod in a circumferentially uniform interval rotation mode; an annular spring is arranged in the area surrounded by the tension sheets, and the annular spring is fixedly connected with the tension sheets.

The technical scheme has the advantages that when the device is installed, the plurality of tensioning sheets are manually pressed inwards to be close to each other, the plurality of tensioning sheets are inserted into the ball head from the through hole, and the plurality of tensioning sheets are unfolded under the elastic action of the annular spring to be connected with the ball head and the other end of the connecting rod;

when the connecting rod is detached, the connecting rod is manually pulled, so that the plurality of tensioning sheets simultaneously extrude the annular spring inwards, the annular spring is pulled out from the through hole, and the connecting rod is convenient to detach.

Drawings

FIG. 1 is a schematic view showing the structure of a brush according to a first embodiment of the present utility model when the brush is fully extended;

fig. 2 is a schematic view showing the structure of the brush in the first embodiment of the present utility model when the brush is fully accommodated;

FIG. 3 is a schematic view showing a part of the structure of the handle connected to the outer sleeve according to the first embodiment of the present utility model;

FIG. 4 is a schematic view showing the structure of the brush according to the second embodiment of the present utility model when the brush is fully extended;

FIG. 5 is a schematic view showing the structure of the brush according to the second embodiment of the present utility model when the brush is fully accommodated;

FIG. 6 is a schematic view showing a portion of a handle connected to an outer sleeve according to a second embodiment of the present utility model;

FIG. 7 is a schematic view of the structure of the ball head and the connecting rod according to the present utility model;

FIG. 8 is a second schematic view of the structure of the ball and connecting rod of the present utility model.

Fig. 9 is a schematic diagram of the structure of the graduation marks in the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a handle; 2. an outer sleeve; 3. a sleeve; 4. a step; 5. a buckling groove; 6. an elastic sheet; 7. a fixed sleeve; 8. a threaded section; 9. an elastic sleeve; 10. a connecting rod; 11. a brush; 12. ball head; 13. tensioning sheets; 14. an annular spring; 15. graduation marks.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

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

Example 1

As shown in fig. 1 to 9, the present embodiment provides a novel endometrial sampler, which comprises a sleeve 3, a handle 1, an outer sleeve 2 and a sampling brush assembly, wherein the interior of the sleeve 3 is hollow and both ends of the sleeve are open; the sampling brush assembly is arranged in the sleeve 3, the outer sleeve 2 is coaxially and slidably arranged in the sleeve 3, a cavity with an open end is arranged in one end of the outer sleeve, the cavity is fixedly sleeved outside one end of the sampling brush assembly, and the outer sleeve 2 can drive the sampling brush assembly to move until the sampling brush assembly completely or partially extends outside one end of the sleeve 3;

the other end of the outer sleeve 2 extends out of the other end of the sleeve 3, steps 4 are oppositely arranged on the outer sleeve, and buckling grooves 5 are oppositely arranged on the two steps 4; two elastic sheets 6 with elasticity are fixedly connected to one end of the handle 1 at intervals, and one ends of the two elastic sheets 6 are respectively hooked and can be respectively buckled into the two buckling grooves 5; a fixing member for fixing the two elastic pieces 6 is installed at one end of the handle 1.

When sampling is performed, firstly, medical staff drives the outer sleeve 2 to move through the handle 1, so that the sampling brush component is completely contained in the sleeve 3; then, one end of the sleeve 3 is inserted into the uterus, and the handle 1 drives the outer sleeve 2 to move so that the sampling brush assembly is wholly or partially moved out of one end of the sleeve 3; finally, the outer sleeve 2 and the sampling brush assembly are rotated through the handle 1, so that a sample is stuck on the sampling brush assembly, the whole equipment is pulled out, sampling is finished, sampling is convenient, and the comfort level of a patient is high;

in addition, the handle 1 is detachably connected with the other end of the outer sleeve 2 through two elastic sheets 6 and is further fixed through a fixing piece, so that the assembly and disassembly are convenient, and time and labor are saved.

Preferably, in this embodiment, the sleeve 3 is preferably a cylindrical structure.

The outer sleeve 2 is preferably a cylindrical rod-like structure.

Preferably, in this embodiment, the two buckling grooves 5 are rectangular grooves respectively.

One end of the handle 1 can be directly welded with the other end of the outer sleeve 2, but the handle 1 cannot be disassembled in the scheme.

After the sampling is completed, the sampling brush assembly may be housed in the sleeve 3, or may be directly withdrawn without being housed.

The device has the advantages of simple structure and reasonable design, can realize rapid sampling of endometrium, ensures more surface sampling, and ensures comfort of patients during sampling; in addition, the handle is convenient to disassemble and assemble, and time and labor are saved.

Example 2

On the basis of embodiment 1, in this embodiment, a fixing sleeve 7 is sleeved on one end of the handle 1, and the fixing sleeve 7 can be moved to be fixedly sleeved outside the two elastic sheets 6 and position or release the two elastic sheets 6.

During installation, the fixing sleeve 7 is sleeved on one end of the handle 1, one ends of the two elastic sheets 6 are manually buckled into the two buckling grooves 5 respectively, then one end of the manually movable fixing sleeve 7 is sleeved outside the two elastic sheets 6, and installation is realized, at the moment, the fixing sleeve 7 can effectively prevent one ends of the two elastic sheets 6 from being separated from the two buckling grooves 5, and the stability of the two elastic sheets 6 is further increased, so that stable connection between the handle 1 and the outer sleeve 2 is realized;

during disassembly, the fixing sleeve 7 is manually moved to enable the fixing sleeve to loosen the two elastic pieces 6, and then one ends of the two elastic pieces 6 are manually withdrawn from the two buckling grooves 5, so that the handle 1 and the outer sleeve 2 are separated, and the detachable elastic sleeve is simple in structure, reasonable in design, convenient to assemble and disassemble, and time-saving and labor-saving.

Example 3

On the basis of embodiment 2, in this embodiment, the handle 1 is provided with a threaded section 8, the fixing sleeve 7 is sleeved on the threaded section 8 in a threaded manner, and the fixing sleeve can be rotated until one end of the fixing sleeve is sleeved outside the two elastic sheets 6 or the two elastic sheets 6 are loosened.

During disassembly and assembly, the fixing sleeve 7 is manually rotated to enable one end of the fixing sleeve to be sleeved outside the two elastic sheets 6 or to loosen the two elastic sheets 6, so that the operation is simple and convenient, and time and labor are saved.

In addition to the above embodiment, the fixing sleeve 7 may be installed in other ways, for example, the fixing sleeve 7 is always sleeved on one end of the handle 1, and is provided with a screw hole penetrating inside and outside, and a locking screw is screwed in the screw hole, so that the locking screw is screwed until one end of the locking screw abuts against or loosens the handle 1, thereby positioning the fixing sleeve 7.

It should be noted that the fixing sleeve 7 is always sleeved on the handle 1, and only one end thereof is sleeved outside the two elastic sheets 6.

Example 4

On the basis of embodiment 1, in this embodiment, the fixing member is an elastic sleeve 9.

When the outer sleeve 2 is disassembled and assembled, the elastic sleeve 9 is manually sleeved outside the two elastic sheets 6, so that the two elastic sheets 6 tightly buckle the end part of the outer sleeve 2, and the two elastic sheets 6 are tightly held by the elasticity of the elastic sleeve 9; or the elastic sleeve 9 can loosen the two elastic sheets 6, so that the operation is simple and convenient, and the time and the labor are saved.

Preferably, in this embodiment, the elastic sleeve 9 is preferably a rubber sleeve, the elastic sleeve 9 is sleeved outside the two elastic sheets 6 during installation, and the elastic sleeve 9 is sleeved outside one end of the handle 1 after the disassembly is completed, and a certain external force is required in the process to move the elastic sleeve 9.

The above embodiment 4 and embodiment 1 are parallel schemes.

Example 5

On the basis of the above embodiments, in this embodiment, the sampling brush assembly includes a connecting rod 10 and a brush 11, the connecting rod 10 is installed in the sleeve 3, and one end of the connecting rod extends into the cavity and is fixedly connected; the brush 11 is fixedly sleeved on the other end of the connecting rod 10.

When sampling is performed, firstly, medical staff drives the outer sleeve 2 to move through the handle 1, so that the connecting rod 10 and the hairbrush 11 are completely contained in the sleeve 3; then, one end of the sleeve 3 is inserted into the uterus, and the handle 1 drives the outer sleeve 2 to move so that the connecting rod 10 and the brush 11 are all or partially moved out of one end of the sleeve 3; finally, the outer sleeve 2, the connecting rod 10 and the hairbrush 11 are rotated through the handle 1, so that samples are adhered to the connecting rod 10 and the hairbrush 11, the whole equipment is pulled out, sampling is finished, sampling is convenient, and comfort level of a patient is high.

Preferably, in this embodiment, the connecting rod 10 is preferably a straight rod structure.

In addition, the connecting rod 10 is preferably a metal rod, such as a medical grade stainless steel rod, which has long service life, is clean and sanitary, and is safe and reliable.

Preferably, in this embodiment, the brush 11 has a cylindrical structure, and is fixedly sleeved on the connecting rod 10.

Example 6

On the basis of embodiment 5, in this embodiment, the cross section of the brush 11 has a trapezoid structure, and the thick end thereof is close to the end of the other end of the connecting rod 10.

The cross section of the hairbrush 11 is arranged in a trapezoid shape, the appearance is more fit with the shape of the uterine cavity, the sampling is more comprehensive, the structure is simple, and the design is reasonable.

In addition to the above embodiment, the brush 11 may have a rectangular cross-section. In contrast, this structure does not fit well within the uterine cavity and sampling is not as comprehensive as in the previous embodiment.

Example 7

In this embodiment, the other end of the connecting rod 10 is connected to a ball 12, on the basis of any one of embodiments 5 to 6.

The ball head 12 has a smooth spherical structure, so that the sampler can be inserted or rotated to sample without damaging uterus, and the comfort of a patient during sampling is improved, and the sampler has a simple structure and reasonable design.

Preferably, in the present embodiment, the ball head 12 is preferably a spherical structure or a hemispherical structure.

The diameter of the ball 12 is larger than the inner diameter of the sleeve 3.

Example 8

On the basis of embodiment 7, in this embodiment, the parts outside the ball head 12 and/or outside the sleeve 3 near one end thereof are respectively coated with a hydrophilic coating.

After the hydrophilic coatings on the outer surfaces of the sleeve 3 and the bulb 12 are activated, the friction force between the surfaces of the sleeve 3 and the bulb 12 and the endometrium of a patient can be greatly reduced, so that the instrument is easy to insert into the uterine cavity, pain and discomfort of the patient can not be caused, and the comfort of the patient is ensured.

The hydrophilic coating is prepared from polyvinylpyrrolidone, and the polyvinylpyrrolidone is a synthetic polymer compound with hydrophilicity.

When the brush 11 is completely contained in the sleeve 3 and the ball head 12 is abutted with one end of the sleeve 3, the total length of the hydrophilic coating on the ball head 12 and the sleeve 3 is equal to two thirds of the distance between the ball head 12 and the other end of the outer sleeve 2, the design is reasonable, and the hydrophilic coating can be fully coated on the part of the sleeve 3 inserted into the uterus.

In addition, the sleeve 3 is a transparent tube, and is also provided with graduation marks 15, and the graduation marks 15 are convenient for medical staff to observe the length of the hairbrush 11 inserted into the uterus of a patient, so that the length is clear.

Example 9

In this embodiment, the ball head 12 is hollow and has a through hole communicating with the inside; the other end of the connecting rod 10 is provided with a tensioning member which can be contracted and extend into the ball head 12 through the through hole, and is unfolded to connect the ball head 12 and the connecting rod 10.

This scheme simple structure, reasonable in design can realize the quick assembly disassembly of the other end of connecting rod 10 and bulb 12 through the piece that rises, easy dismounting, labour saving and time saving.

In addition to the above embodiment, the ball 12 may be directly welded to the other end of the connecting rod 10, or may be screw-sleeved on the other end of the connecting rod 10.

Example 10

On the basis of embodiment 9, in this embodiment, the tension member includes a plurality of tension sheets 13, and the plurality of tension sheets 13 are installed on the other end of the connecting rod 10 in a manner of uniformly rotating at intervals along the circumference; an annular spring 14 is arranged in the area surrounded by the tension sheets 13, and the annular spring 14 is fixedly connected with the tension sheets 13.

During installation, the plurality of tensioning sheets 13 are manually pressed inwards to be close to each other, the plurality of tensioning sheets 13 are inserted into the ball head 12 from the through hole, and at the moment, the plurality of tensioning sheets 13 are unfolded under the elastic action of the annular spring 14 to connect the ball head 12 and the other end of the connecting rod 10;

when the connecting rod 10 is disassembled, the plurality of tensioning pieces 13 simultaneously extrude the annular springs 14 inwards by manually pulling the connecting rod 10, and the connecting rod is pulled out from the through holes, so that the connecting rod is convenient to disassemble and assemble.

The working principle of the utility model is as follows:

when sampling is performed, firstly, medical staff drives the outer sleeve 2 to move through the handle 1, so that the connecting rod 10 and the hairbrush 11 are completely contained in the sleeve 3, and at the moment, the ball head 12 is abutted with one end of the sleeve 3; then, one end of the sleeve 3 is inserted into the uterus, and the handle 1 drives the outer sleeve 2 to move so that the connecting rod 10 and the brush 11 are all or partially moved out of one end of the sleeve 3; finally, the outer sleeve 2, the connecting rod 10 and the hairbrush 11 are rotated through the handle 1, so that samples are adhered to the connecting rod 10 and the hairbrush 11, the whole equipment is pulled out, sampling is finished, sampling is convenient, and comfort level of a patient is high.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. A novel endometrial sampler, characterized in that: the sampling brush comprises a sleeve (3), a handle (1), an outer sleeve (2) and a sampling brush assembly, wherein the interior of the sleeve (3) is hollow, and both ends of the sleeve are open; the sampling brush assembly is arranged in the sleeve (3), the outer sleeve (2) is coaxially and slidably arranged in the sleeve (3), a cavity with an open end is arranged in one end of the outer sleeve, the cavity is fixedly sleeved outside one end of the sampling brush assembly, and the outer sleeve (2) can drive the sampling brush assembly to move until the sampling brush assembly completely or partially extends outside one end of the sleeve (3);

the other end of the outer sleeve (2) extends out of the other end of the sleeve (3), steps (4) are oppositely arranged on the outer sleeve, and buckling grooves (5) are oppositely arranged on the two steps (4); two elastic sheets (6) with elasticity are fixedly connected to one end of the handle (1) at intervals, and one ends of the two elastic sheets (6) are respectively hooked and can be respectively buckled into the two buckling grooves (5); one end of the handle (1) is provided with a fixing piece for fixing the two elastic sheets (6).

2. The novel endometrial sampler of claim 1, wherein: one end of the handle (1) is sleeved with a fixing sleeve (7), and the fixing sleeve (7) can move to be fixedly sleeved outside the two elastic sheets (6) and position or loosen the two elastic sheets (6).

3. The novel endometrial sampler of claim 2, wherein: the handle (1) is provided with a thread section (8), the fixing sleeve (7) is sleeved on the thread section (8) in a threaded manner, and the fixing sleeve can rotate until one end of the fixing sleeve is sleeved outside the two elastic sheets (6) or the two elastic sheets (6) are loosened.

4. The novel endometrial sampler of claim 1, wherein: the fixing piece is an elastic sleeve (9).

5. The novel endometrial sampler of any one of claims 1-4, wherein: the sampling brush assembly comprises a connecting rod (10) and a brush (11), the connecting rod (10) is arranged in the sleeve (3), and one end of the connecting rod extends into the cavity and is fixedly connected with the cavity; the brush (11) is fixedly sleeved on the other end of the connecting rod (10).

6. The novel endometrial sampler of claim 5, wherein: the cross section of the hairbrush (11) is in a trapezoid structure, and the thick end of the hairbrush is close to the end part of the other end of the connecting rod (10).

7. The novel endometrial sampler of claim 5, wherein: the other end of the connecting rod (10) is connected with a ball head (12).

8. The novel endometrial sampler of claim 7, wherein: hydrophilic coatings are respectively coated on the outer part of the ball head (12) and/or the outer part of the sleeve (3) close to one end of the ball head.

9. The novel endometrial sampler of claim 7, wherein: the ball head (12) is hollow, and is provided with a through hole communicated with the inside; the other end of the connecting rod (10) is provided with a tensioning piece which can be contracted and extend into the ball head (12) through the through hole, and is unfolded to connect the ball head (12) and the connecting rod (10).

10. The novel endometrial sampler of claim 9, wherein: the tensioning piece comprises a plurality of tensioning pieces (13), and the tensioning pieces (13) are arranged at the other end of the connecting rod (10) in a circumferential uniform interval rotation mode; an annular spring (14) is arranged in an area surrounded by the tension sheets (13), and the annular spring (14) is fixedly connected with the tension sheets (13).