Cervical sampling apparatus
By designing a cervical sampling device made of soft materials and utilizing the deformation characteristics of the brush head and rod structure, the difficulties of using traditional devices in different patients have been solved, achieving efficient tissue collection and adapting to various physiological structures.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 中国人民解放军空军杭州特勤疗养中心疗养三区
- Filing Date
- 2025-04-15
- Publication Date
- 2026-07-31
AI Technical Summary
Traditional cervical sampling equipment presents challenges in use or results in substandard samples in elderly women, patients who have undergone cervicectomy, and patients with cervicitis, especially as it is not suitable for the physiological structures of different patients.
The brush head and rod structure, made of soft materials, allow the brush head to deform under force through the combination of brush head grooves, rod head screws, rod tail screws, and hollow outer tubes, adjusting its shape and size to adapt to the cervical shape of different patients and achieve comprehensive tissue sample collection.
This improves the applicability and collection efficiency of cervical sampling equipment, meets the physiological needs of different patients, and ensures the quality of the collected samples.
Smart Images

Figure CN224572765U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of gynecological medical device technology, and in particular to a cervical sampling device. Background Technology
[0002] Examination of the reproductive tract is beneficial for reflecting the body's sex hormone levels and can also assist in the diagnosis of malignant tumors in different parts of the reproductive tract, thus allowing for the observation of treatment efficacy. (See attached instructions.) Figure 1 As shown, the traditional "cell brush" is a small brush with a near-triangular shape. The tip needs to be placed inside the cervix, then rotated several times within the cervical canal before being removed. This traditional reproductive tract sampling tool has the following drawbacks in current clinical applications:
[0003] Disadvantage 1: For elderly female patients, vaginal atrophy, brushes that are too large are not easy to insert into the vagina. If forced into the vagina, the atrophy will make it difficult to apply force and rotate, resulting in failure to collect samples or unsatisfactory sample collection results.
[0004] Disadvantage 2: For patients who have had their cervix removed, the vaginal apex is flat, and traditional pointed hand brushes cannot access the residual tissue. At the same time, the pointed brushes can cause severe discomfort to the patient.
[0005] Disadvantage 3: For patients with cervicitis causing cervical adhesions, it is impossible to extract cervical cells. Utility Model Content
[0006] The technical problem to be solved by this utility model is to overcome the defects of the prior art and provide a cervical sampling device. The cervical sampling device is made of a soft material that can deform under force. Through the structural relationship between the brush head groove, the rod head screw, the rod tail screw and the hollow outer tube, the shape and size of the brush head can be changed when the hollow outer tube is pushed. The shape and size of the brush head can be adjusted according to the shape of the vaginal stump, and human tissue can be collected comprehensively for testing to meet the different physiological needs of different groups of patients and prevent the sample from being substandard.
[0007] To solve the above-mentioned technical problems, this utility model provides the following technical solution:
[0008] This utility model discloses a cervical sampling device, including a brush head and a rod body, wherein the top surface of the brush head is provided with teeth integrally molded.
[0009] The brush head has an integrally molded brush head bristle groove inside;
[0010] The rod body includes a head screw and a tail screw;
[0011] The rod is fitted with a transparent and movable hollow outer tube.
[0012] As a preferred embodiment of this utility model, the diameter of the brush head at its maximum diameter ranges from 0.8cm to 1.2cm; and the height of the brush head at its maximum height ranges from 0.4cm to 0.6cm.
[0013] As a preferred technical solution of this utility model, the brush head is made of a soft material that can deform under stress.
[0014] As a preferred technical solution of this utility model, the head screw and the tail screw are an integral structure.
[0015] As a preferred technical solution of this utility model, the rod head screw and the brush head groove are designed to be matched.
[0016] As a preferred embodiment of this utility model, the total length of the rod is in the range of 16cm-18cm.
[0017] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0018] This utility model: The cervical sampling device uses a soft material that can deform under force. Through the structural relationship between the brush head groove, the rod head screw, the rod tail screw and the hollow outer tube, the shape and size of the brush head can be changed when the hollow outer tube is pushed. The shape and size of the brush head can be adjusted according to the shape of the vaginal stump, and human tissue can be collected comprehensively for testing, meeting the different physiological needs of different groups of patients and preventing substandard samples. Attached Figure Description
[0019] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0020] Figure 1 This is a comparative schematic diagram of the traditional cell brush structure in existing technologies;
[0021] Figure 2 This is a schematic diagram of the brush head and rod before installation;
[0022] Figure 3 This is a diagram showing the brush head and rod after installation;
[0023] Figure 4 This is one of the overall structural schematic diagrams of this utility model;
[0024] Figure 5 This is one of the overall structural schematic diagrams of this utility model;
[0025] Figure 6This is one of the illustrations showing the deformation state of the brush head during the pushing process of the hollow outer tube;
[0026] Figure 7 This is the second illustration of the brush head deformation during the movement of the hollow outer tube;
[0027] Figure 8 This is the third illustration of the brush head deformation during the movement of the hollow outer tube.
[0028] In the diagram: 1. Brush head; 101. Tooth; 102. Brush head groove; 2. Rod body; 201. Rod head screw; 202. Rod tail screw; 3. Hollow outer tube. Detailed Implementation
[0029] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.
[0030] Example 1
[0031] like Figure 2-8 As shown, this utility model provides a cervical sampling device, including a brush head 1 and a rod body 2. The top surface of the brush head 1 is provided with an integrally molded toothed edge 101. The brush head 1, the rod body 2, and the toothed edge 101 are the technical features of this utility model that are closest to the prior art, as shown in the appendix to the specification. Figure 1 As shown; but Figure 1 This is a comparative schematic diagram of the traditional cell brush structure in the prior art. As stated in the background section of the specification, the traditional cell brush has certain defects in clinical practice.
[0032] The brush head 1 has an integrally molded brush head filament groove 102 inside, which is used to flexibly cooperate with the quick installation and disassembly process of the rod body 2.
[0033] The rod body 2 includes a head screw 201 and a tail screw 202. The head screw 201 is used to fix the brush head 1. The manual clockwise or counterclockwise rotation of the tail screw 202 allows for flexible installation of the brush head 1. At the same time, by holding the tail screw 202 of the rod body 2 with the right hand and holding the hollow outer tube 3 with the left hand and pushing it freely, the size and shape of the brush head 1 can be changed. This allows for flexible adjustment of the cervical sampling equipment during cervical sampling for different patients, meeting the collection conditions under different characteristics of the cervix and vagina of different patients, improving the qualification rate of collection, and also improving the efficiency of collection.
[0034] The rod body 2 is fitted with a transparent and movable hollow outer tube 3, as shown in the instruction manual. Figure 5As shown, the hollow outer tube 3 can slide up and down along the rod 2. When it slides to the brush head 1, the soft material brush head 1 deforms, which further deforms the teeth 101, ultimately meeting the patient's cervical sampling requirements.
[0035] The diameter of the brush head 1 at its maximum diameter ranges from 0.8cm to 1.2cm, which conforms to clinical experience standards for human anatomy.
[0036] The maximum height of brush head 1 ranges from 0.4cm to 0.6cm, which conforms to clinical experience standards for human anatomy.
[0037] Brush head 1 is made of a soft material that can deform under stress.
[0038] The head screw 201 and the tail screw 202 are integrated structures. The head screw 201 is formed by designing a thread that matches the brush head groove 102 at one end of the integrated structure rod body 2, which fixes and disassembles the brush head 1.
[0039] The rod head screw 201 and the brush head groove 102 are designed to be matched, which meets the design requirements.
[0040] The total length of rod 2 ranges from 16cm to 18cm, which conforms to the clinical experience standard of human body structure.
[0041] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A cervical sampling device, comprising a brush head (1) and a rod body (2), wherein the top surface of the brush head (1) is provided with integrally molded teeth (101), characterized in that: The brush head (1) has an integrally molded brush head filament groove (102) inside; The rod body (2) includes a head screw (201) and a tail screw (202); The rod (2) is fitted with a transparent and movable hollow outer tube (3).
2. The cervical sampling device according to claim 1, characterized in that, The diameter of the brush head (1) at its maximum diameter ranges from 0.8cm to 1.2cm; The height of the brush head (1) at its maximum height ranges from 0.4cm to 0.6cm.
3. A cervical sampling device according to claim 1, wherein, The brush head (1) is made of a soft material that can deform under stress.
4. A cervical sampling device according to claim 1, wherein The lead screw (201) and the tail screw (202) are an integral structure.
5. The cervical sampling device of claim 1, wherein, The lead screw (201) and the brush head groove (102) are designed to be paired.
6. A cervical sampling device according to claim 1, wherein The total length of the rod (2) ranges from 16cm to 18cm.