Cervical brush free of centrifugal sampling

Abstract

The utility model discloses a centrifugal sampling-free cervical brush which comprises a sampling bottle, a brush head protection sleeve and a brush rod, a cervix brush head is arranged at the top end of the brush rod, and a rotating handle is arranged at the bottom end of the brush rod; the sampling bottle comprises a threaded reagent bottle and a protective bottle cap, and an opening of the threaded reagent bottle is provided with an external thread; the protective bottle cap is fixedly connected with the threaded reagent bottle and the brush head protective sleeve, internal threads are arranged on the inner side of the front end, and a limiting bulge is arranged on the inner side of the rear end; the cervix uteri brush head is wrapped by the brush head protection sleeve, and an annular groove is formed in the front end of the brush head protection sleeve. A limiting bulge is arranged near an opening in the inner side of the threaded reagent bottle. According to the centrifugal sampling-free cervical brush, storage and convenience of sampling are facilitated due to the design, materials of the cervical brush head and arrangement of bristles are optimized, and sampling of a cervical canal and a cervical wall can be completed at the same time on the premise that comfort is guaranteed. The scraping structure of the sampling bottle allows a sample to be directly treated in the bottle, and a centrifugation step is not needed, so that the process is simplified, and the efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a centrifugal-free sampling cervical brush belongs to the medical instrument technical field. BACKGROUND

[0002] The cervix is a key organ in the female reproductive system, which is directly related to the health of women. Therefore, regular examination of the cervix is crucial for women's health, and the common method in the examination process is to collect cell samples.

[0003] The most commonly used cervical brush in the traditional cervical examination is composed of a brush head and a thin rod handle, such as the cervical brush disclosed in patent application CN201064453Y. The brush head and the brush rod can rotate synchronously and be detachable. In use, the cervical brush is inserted into the vagina, the brush rod is pushed to make the bristle part contact the cervix, and then it is rotated for several turns to complete the collection of cell samples. After the collection is completed, the cell samples usually need to be separated from the collection medium by centrifugal separation technology. This existing cervical brush still has some defects, which cannot brush off the cells falling off from the cervical wall and the cervical canal at the same time under the premise of ensuring comfort, and the design and material of the cervical brush may cause damage to the cells on the surface of the cervix during the sampling process, which may cause discomfort or pain to the patient, affecting the patient's cooperation and sampling effect. In addition, when separating the cell samples, the centrifugal process can effectively remove impurities, but the operation is complicated and has a great impact on the sample quality, and the traditional centrifugal step is easy to cause cell loss or sample contamination, thereby affecting the accuracy of the detection result. More importantly, the traditional standard cervical brush and the storage container often exist independently, and cannot be stored after collection, which is not conducive to convenience.

[0004] Therefore, it is necessary to design a new centrifugal-free sampling cervical brush, which can avoid cell sample contamination caused by the centrifugal step, improve the collection efficiency, optimize the comfort of the brush head, and perfect the problem of inconvenience, to meet the needs of medical aspects for collection comfort, sampling efficiency, and matching convenience. Utility model content

[0005] Therefore, the utility model aims to provide a centrifugal-free sampling cervical brush with convenient assembly.

[0006] In order to achieve the above object, the utility model discloses a kind of sampling cervical brush free from centrifugation, including sampling bottle, brush head protection sleeve, brush rod;The top end of the brush rod is provided with cervical brush head, and the bottom end of the brush rod is provided with rotating handle;The sampling bottle includes threaded reagent bottle, protective bottle cap, and the opening of the threaded reagent bottle is provided with external thread;The protective bottle cap is connected and fixed threaded reagent bottle and brush head protection sleeve, and the inner side of the front end of protective bottle cap is provided with internal thread, and the inner side of the rear end of protective bottle cap is provided with first limit protrusion;The brush head protection sleeve is wrapped cervical brush head, and is tubular structure, and the inner side of bottom end is provided with inwardly extending inner edge, and first annular groove is provided on the outer side of the front end of brush head protection sleeve;Second limit protrusion is provided in the inner side opening of threaded reagent bottle, which can be matched with first annular groove.

[0007] The inner side of the bottom end of the threaded reagent bottle is provided with a scraper.

[0008] The scraper is multiple, which constitutes a scraping structure.

[0009] The cervical brush head includes cervical canal brush head and cervical wall brush head;The cervical canal brush head is provided with cylindrical bristles, and the top end of the bristle is smooth spherical surface, and a plurality of bristles are arranged around the connecting shaft, and the cervical canal brush head is made of medical silica gel material;The cervical wall brush head is provided with strip structure bristle, and the top end of the bristle is smooth circular arc, and a plurality of bristles form two concentric circles on annular base, and the cervical wall brush head is made of medical PE material.

[0010] The surface of the protective bottle cap is provided with anti-skid structure.

[0011] The brush rod is provided with two symmetrical arc-shaped elastic arms.

[0012] The rod body of the brush rod is provided with a circular limit position.

[0013] The brush rod is provided with handheld stable sleeve.

[0014] The brush rod passes through the brush head protection sleeve coaxially, and then the cervical wall brush head is fixed coaxially on the top end of the brush rod through the annular base, and then the cervical canal brush head is coaxially installed at the top end vertex of the brush rod.

[0015] The second annular groove is arranged on the rotating handle of the bottom end of the brush rod.

[0016] By adopting the above technical solution, this utility model's centrifugation-free cervical brush features an optimized bristle arrangement and shape. The concentric rings of the cervical wall brush head and the structure of the cervical canal brush head better adapt to the cervical structure. Simultaneously, optimized brush head materials (medical-grade silicone and PE) reduce damage to the cervical surface. While ensuring comfort, it can simultaneously sample cells from both the cervical canal and cervical wall, improving both comfort and sampling efficiency. The scraping structure of the sampling bottle and the annular groove design of the brush head protective sleeve allow cell samples to be processed directly within the sampling bottle, eliminating the need for additional centrifugation steps, simplifying the sample processing procedure and making sampling more efficient. The coordinated design of the sampling bottle and brush head protective sleeve facilitates convenient sample storage. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model.

[0018] Figure 2 This is an exploded view of the structure of this utility model.

[0019] Figure 3 This is a schematic diagram of the assembly structure of the cervical brush head of this utility model.

[0020] Figure 4 This is a cross-sectional view of the present invention.

[0021] Figure 5 This is a schematic diagram of the sampling state of this utility model.

[0022] Figure 6 This is a cross-sectional schematic diagram of the sample separation and collection state according to this utility model. Detailed Implementation

[0023] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0024] like Figures 1-6As shown, the utility model discloses a kind of sampling cervical brush free from centrifugation, including sampling bottle 12, brush head protection sleeve 5, brush rod 13;The top end of the brush rod 13 is provided with cervical brush head 15, and the bottom end of the brush rod 13 is provided with rotating handle 9;The sampling bottle 12 includes threaded reagent bottle 1, protective bottle cap 2, and the opening of the threaded reagent bottle 1 is provided with external thread 14;The protective bottle cap 2 is connected and fixed threaded reagent bottle 1 and brush head protection sleeve 5, and the front end of the protective bottle cap 2 is provided with internal thread 16 in the inside, and the rear end of the protective bottle cap 2 is provided with first limiting protrusion 10, and the front end of the brush head protection sleeve 5 is provided with first annular groove 18, and the two are mutually consistent and fixed;The brush head protection sleeve 5 is wrapped cervical brush head 15, and is tubular structure, and the inside of bottom end is provided with inwardly extending inner edge, for protecting brush head not directly contacting the bottom of protection sleeve, to reduce the potential damage of friction and extrusion to brush head, and tubular structure can be conveniently pulled to the rear end of brush rod 13 during use Brush head protection sleeve 5.

[0025] The rotating handle 9 of the bottom end of the brush rod 13 is provided with second annular groove 23, for the sampling bottle 12 is fixed by the first limiting protrusion 10 of the rear end of the protective bottle cap 2 and the second annular groove 23 of the rotating handle 9 mutually consistent.

[0026] The cervical brush head 15 includes cervical canal brush head 3, cervical wall brush head 4, the brush rod 13 is coaxially through brush head protection sleeve 5, and then the cervical wall brush head 4 is coaxially fixed in the top end of the brush rod 13 by annular base 24, and then the cervical canal brush head 3 is coaxially installed at the top vertex of the brush rod 13, and the brush head part is completed.

[0027] The cervical canal brush head 3 is provided with cylindrical bristles 20, and the top end of the brush is smooth spherical surface, and a plurality of bristles are arranged around connecting shaft 21, and the cervical canal brush head 3 is medical silica gel material.The cervical wall brush head 4 is provided with strip structure bristle 19, and the top end of the brush is smooth circular arc, and a plurality of bristles form two concentric circles on annular base 24, and the cervical wall brush head 4 is medical PE material.New bristle arrangement and shape make it better adapt to the structure of cervix, and in addition, new material makes the friction and damage of brush head to the surface of cervix reduce, can complete cell sampling to cervical canal and cervical wall under the premise of ensuring comfort, improve comfort and sampling effect.

[0028] The inside of the bottom end of the threaded reagent bottle 1 is provided with scraper 22, and a plurality of scrapers 22 constitute scraping structure, for effectively reducing impurities in sample, improving the purity of sample, avoiding possible loss or pollution of cells in centrifugal process.

[0029] The inside of the threaded reagent bottle 1 is provided with second limiting protrusion 11 near the opening, for guaranteeing that brush head protection sleeve 5 is clamped in the bottle opening of threaded reagent bottle 1 when recovering sample in cervical brush head 15.

[0030] The protective bottle cap 2 is provided with anti-skid structure 17 on the surface, which can improve the durability and service life of the protective bottle cap 2, and improve the hand feeling and anti-skid performance.

[0031] The brush rod 13 is provided with two symmetrical arc-shaped elastic arms 7, which are curved and elastic, and can adapt to the hand pressure and meet the ergonomics, so that the hand holding is convenient during sampling.

[0032] The rod body of the brush rod 13 is provided with a circular limiting position 8, which can ensure that the hand holding stabilizing sleeve 6 works in a fixed position.

[0033] The brush rod 13 is provided with a hand holding stabilizing sleeve 6, which can keep the cervical brush stable when the cervical canal is sampled and the cells are scraped off in the reagent bottle.

[0034] During use, after the vaginal dilatation is completed, the sampling bottle 12 containing the cell lysing solution and other reagents in the threaded reagent bottle 1 is removed, the protective bottle cap 2 is unscrewed and placed stably on the desktop, then the brush head protection sleeve 5 is pulled to the rear end of the brush rod 13, the brush head protection sleeve 5 is used to block the transverse movement of the bristles and keep the bristles vertical, so that the bristles can be smoothly inserted into the reagent bottle after sampling. Then, the cervical brush head 15 is inserted into the vagina, the cervical canal brush head 3 is inserted into the cervical canal, the cervical wall brush head 4 is spread and covers most of the cervical wall, the left hand holds the hand holding stabilizing sleeve 6, and the right hand rotates the handle 9, so that the cervical canal brush head 3 and the cervical wall brush head 4 start to rotate, and the cervical brush head 15 is taken out after six rotations. Then, the brush head protection sleeve 5 is pushed to the front end to cover the cervical brush head 15, and then the first annular groove 18 of the brush head protection sleeve 5 and the second limiting protrusion 11 of the threaded reagent bottle 1 are matched with each other, the brush head protection sleeve 5 is clamped on the threaded reagent bottle 1, the cervical brush head 15 is pushed into the threaded reagent bottle 1, the cervical canal brush head 3 and the cervical wall brush head 4 are in full contact with the scraping structure in the threaded reagent bottle 1, the handle 9 is reversely rotated for six weeks, the detached cells on the cervical canal brush head 3 and the cervical wall brush head 4 are dissolved in the reagent, the cervical brush head 15 is pulled out, and the cell extraction is completed.

[0035] The cervical brush head 12 optimizes the arrangement and shape of the bristles, and the concentric ring of the cervical wall brush head 4 and the structure of the cervical canal brush head 3 make them better adapt to the structure of the cervix, and the optimized brush head material (medical silica gel and PE) reduces the damage to the surface of the cervix, so that the cell sampling of the cervical canal and the cervical wall can be completed at the same time under the premise of ensuring the comfort, and the comfort and sampling effect are improved. The scraping structure of the sampling bottle 12 and the annular groove design of the brush head protection sleeve 5 make the cell sample can be directly processed in the sampling bottle 12, without additional centrifugal steps, simplifying the sample processing process, and making the sampling more efficient. The cooperation design of the sampling bottle 12 and the brush head protection sleeve 5 is beneficial to the storage and convenience of sampling.

[0036] Obviously, the above embodiments are only examples for clearly illustrating, but not limitation to the embodiments. For ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments need not and cannot be exhausted. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A non-cytospun sampling cervical brush, characterized in that: The utility model relates to a cervical brush, which comprises a sampling bottle, a brush head protective sleeve and a brush rod, wherein the top end of the brush rod is provided with a cervical brush head, and the bottom end of the brush rod is provided with a rotating handle; the sampling bottle comprises a threaded reagent bottle and a protective bottle cap, and the opening of the threaded reagent bottle is provided with external threads; the protective bottle cap is connected and fixed with the threaded reagent bottle and the brush head protective sleeve, the inner side of the front end of the protective bottle cap is provided with internal threads, and the inner side of the rear end of the protective bottle cap is provided with a first limiting protrusion; the brush head protective sleeve is tubular and wraps the cervical brush head, and the inner side of the bottom end of the brush head protective sleeve is provided with an inwardly extending inner edge, and the front end of the brush head protective sleeve is provided with a first annular groove; the inner side of the threaded reagent bottle is provided with a second limiting protrusion near the opening, which can be matched with the first annular groove.

2. The non-spinning sampling cervical brush of claim 1 wherein: The threaded reagent bottle is provided with a scraper on the inner side of the bottom end.

3. The non-spinning sampling cervical brush of claim 2 wherein: The scraper is a plurality of scrapers, which form a scraping structure.

4. The non-spinning sampling cervical brush of claim 1 wherein: The cervical brush head comprises a cervical canal brush head and a cervical wall brush head; the cervical canal brush head is provided with cylindrical bristles, the top end of each bristle is a smooth spherical surface, and a plurality of bristles are arranged around a connecting shaft; the cervical canal brush head is made of medical silica gel; the cervical wall brush head is provided with strip-shaped structure bristles, the top end of each bristle is a smooth circular arc, and a plurality of bristles form two concentric circles on a ring-shaped base; the cervical wall brush head is made of medical PE.

5. The non-spinning sampling cervical brush of claim 1 wherein: The surface of the protective bottle cap is provided with an anti-skid structure.

6. The non-spinning sampling cervical brush of claim 1 wherein: The brush rod is provided with two symmetrical arc-shaped elastic arms.

7. The non-spinning sampling cervical brush of claim 1 wherein: The rod body of the brush rod is provided with a circular limiting position.

8. The non-spinning sampling cervical brush of any one of claims 1 to 7, wherein: The brush rod is provided with a handheld stabilizing sleeve.

9. The non-spinning sampling cervical brush of any one of claims 1 to 7, wherein: The brush rod passes through the brush head protective sleeve coaxially, and then the cervical wall brush head is fixed coaxially on the top end of the brush rod through the ring-shaped base; finally, the cervical canal brush head is coaxially installed on the top end of the brush rod.

10. The non-spinning sampling cervical brush of any one of claims 1-7, wherein: The rotating handle at the bottom end of the brush rod is provided with a second annular groove.

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