Dilator for cervix examination

By introducing a fiber optic lighting mechanism and a reflector structure into the cervical dilator, the problem of insufficient light inside the dilator was solved, achieving efficient lighting and resource conservation.

CN223900777UActive Publication Date: 2026-02-13HUZHOU MATERNAL & CHILD HEALTH HOSPITAL (HUZHOU WOMEN & CHILDRENS HOSPITAL HUZHOU FAMILY PLANNING TECH SERVICE CENT)
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Patent Information

Application Number
CN202423174106.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2026-02-13
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

The limited internal space of existing cervical dilators leads to insufficient light, which affects doctors' observation of the patient's internal condition.

Method used

A cervical dilator for examination was designed, which uses an optical fiber bundle as the illumination mechanism to transmit light energy. An installation slot is set in the dilator to fix the optical fiber bundle. Combined with a reflector, the illumination effect is improved. The light source component can be detached to reduce resource waste.

Benefits of technology

This achieves effective illumination within the expander, reduces light energy loss, improves the convenience and safety of observation, and avoids resource waste.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a dilator for cervix examination, which belongs to the technical field of dilators and comprises an upper dilating sheet and a lower dilating sheet, two connecting plates are fixed on one side of the upper dilating sheet, a grab handle is fixedly connected with one side of the lower dilating sheet and positioned between the two connecting plates, and the connecting plates are hinged with the grab handle. A locking assembly is arranged between the connecting plate and the grab handle, a lighting mechanism is arranged in the upper dilation piece and comprises an optical fiber bundle, a mounting groove is formed in the wall of the upper dilation piece, the optical fiber bundle is located in the mounting groove, a mounting base is fixedly connected to the top of the upper dilation piece, one end of the optical fiber bundle extends into the mounting base, and a light source assembly is arranged in the mounting base. The optical fiber bundle is used for transmitting optical energy, energy loss in the transmission process is reduced, the optical fiber bundle is located in the installation groove, use of the operator is prevented from being affected, and the optical fiber bundle can be better attached to the expander. And the light source assembly and the mounting base are detachably connected, so that cyclic utilization is facilitated, and resource waste is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to dilator technical field, especially a dilator for uterine cervix examination. BACKGROUND

[0002] In the medical and health industry, the examination and treatment of various uterine diseases, such as curettage, clear palace, palace cavity radiotherapy, artificial abortion, etc., all need to use uterine cervix dilator, and the commonly used uterine cervix dilator in clinic is mainly duck tongue dilator, which is placed in the vagina by the doctor, and the vagina is dilated to observe the condition of the vaginal wall and the cervix, so as to further diagnose and treat, and this instrument can reduce the damage of surgical instruments to the tissue and ensure the safety and quality of the operation.

[0003] Through the search of Chinese patent announcement No. CN220988758U, a multi-channel vaginal dilator is disclosed, which comprises upper and lower expansion wings that are rotationally connected and have matching shapes. The upper and lower expansion wings each comprise a main body portion, and the upper expansion wing further comprises a tail wing fixedly connected to the main body portion. The end of the upper expansion wing main body portion and the tail wing enclose a device inlet, and the main body portion is a double-layer cavity structure. The internal cavity of the upper expansion wing main body portion forms an upper channel, and the internal cavity of the lower expansion wing main body portion forms a lower channel.

[0004] Since the internal space of the dilator is fixed, the light entering the observation area from the outside is insufficient, so the doctor cannot easily observe the condition inside the patient's body. INVENTION CONTENTS

[0005] The purpose of the utility model is to solve the above problems by providing a dilator for uterine cervix examination.

[0006] The utility model realizes the above-mentioned purposes through the following technical solutions:

[0007] A dilator for uterine cervix examination, comprising an upper expansion piece and a lower expansion piece, one side of the upper expansion piece is fixedly connected with two front and rear arranged connecting plates, one side of the lower expansion piece is fixedly connected with a handle, the handle is located between the two connecting plates, the connecting plates and the handle are hinged, a locking assembly is arranged between the connecting plates and the handle, a lighting mechanism is arranged in the upper expansion piece, the lighting mechanism comprises a fiber bundle, a mounting groove is formed in the wall of the upper expansion piece, the fiber bundle is located in the mounting groove, the fiber bundle extends away from the handle, one end of the fiber bundle away from the handle is provided as a lighting end, the lighting ends are uniformly distributed on the end walls of the upper expansion piece and the lower expansion piece that are close to each other, the lighting ends of the fiber bundle are radially dispersed, a mounting seat is fixedly connected to the top of the upper expansion piece, one end of the fiber bundle away from the lighting end extends into the mounting seat, and a light source assembly is arranged in the mounting seat.

[0008] Preferably, the light source assembly comprises a lighting lamp threadedly connected to the inner wall of the mounting base, the bottom of the lighting lamp is provided with a plurality of lamp beads, the top of the lighting lamp is provided with a button, and the lighting lamp is located above the optical fiber bundle.

[0009] Preferably, the front and rear walls of the handle are fixedly connected with a hinged shaft, and the connecting plate is rotationally connected to the hinged shaft.

[0010] Preferably, the locking assembly comprises two front and rear symmetrically arranged mounting plates, the mounting plates are elastic, the mounting plates are fixedly connected to the side wall of the handle, a plurality of first one-way teeth are fixedly connected to the side of the two mounting plates away from each other, and the second one-way teeth are fixedly connected to the side of the connecting plate close to the mounting plates.

[0011] Preferably, the lower expansion sheet and the upper expansion sheet are provided with grooves in the end walls close to each other, and a reflector is fixedly connected in the groove, and the reflector is located below the lighting end.

[0012] Preferably, the optical fiber bundle comprises a plurality of optical fiber filaments.

[0013] The beneficial effects are that the optical fiber bundle is used to transmit light energy, the energy loss in the transmission process is reduced, the mounting groove is arranged in the wall of the upper expansion sheet, the optical fiber bundle is located in the mounting groove, the use of the operator is not affected, and the optical fiber bundle can better adhere to the dilator; the optical fiber bundle is not conductive, safe and reliable; the light source assembly and the mounting base are connected in a detachable manner, which is convenient for recycling and reduces resource waste.

[0014] The additional technical features and advantages of the utility model will be more obvious in the following description, or can be understood through the specific practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used together with the following specific embodiments to explain the utility model, but do not constitute a limitation on the utility model. In the drawings:

[0016] Figure 1 It is the overall structure schematic diagram of the dilator for uterine cervix examination described in the utility model;

[0017] Figure 2 It is the upper expansion sheet schematic diagram of the dilator for uterine cervix examination described in the utility model;

[0018] Figure 3 It is the lower expansion sheet schematic diagram of the dilator for uterine cervix examination described in the utility model;

[0019] Figure 4 It is the front view of the internal structure of the upper expansion sheet of the dilator for uterine cervix examination described in the utility model;

[0020] Figure 5 is the schematic view of the position relation between the optical fiber bundle and the illumination end of the dilator for cervical examination according to the utility model;

[0021] Figure 6 is the upper view of the locking assembly of the dilator for cervical examination according to the utility model.

[0022] The reference signs are explained as follows: 101, upper dilator piece; 102, lower dilator piece; 103, connecting plate; 104, handle; 105, hinged shaft; 201, mounting plate; 202, first one-way tooth; 203, second one-way tooth; 301, optical fiber bundle; 302, illumination end; 303, mounting seat; 304, illuminating lamp; 305, lamp bead; 306, button; 4, reflector. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0025] The utility model will be further described below with reference to the drawings:

[0026] As shown in Figures 1-6 A dilator for cervical examination comprises an upper dilator piece 101 and a lower dilator piece 102, one side of the upper dilator piece 101 is fixedly connected with two front and rear connecting plates 103, one side of the lower dilator piece 102 is fixedly connected with a handle 104, the handle 104 is located between the two connecting plates 103, the front and rear walls of the handle 104 are fixedly connected with a hinged shaft 105, the connecting plates 103 are rotationally connected on the hinged shaft 105, and the connecting plates 103 and the handle 104 are hinged through the hinged shaft 105.

[0027] The locking assembly is arranged between the connecting plate 103 and the handle 104, and comprises two mounting plates 201 symmetrically arranged front and back. The mounting plates 201 are fixedly connected to the side walls of the handle 104, and the sides of the two mounting plates 201 away from each other are fixedly connected with a plurality of first one-way teeth 202 arranged at equal intervals. The side of the connecting plate 103 close to the mounting plate 201 is fixedly connected with second one-way teeth 203. Through the cooperation of the first one-way teeth 202 and the second one-way teeth 203, the position of the upper expansion piece 101 after expansion can be locked. The mounting plate 201 is elastic, so when it is necessary to release the locking, the mounting plate 201 is directly pushed in the direction away from the connecting plate 103, so that the second one-way teeth 203 are no longer limited by the first one-way teeth 202, and then the upper expansion piece 101 can move freely.

[0028] The illumination mechanism is arranged in the upper expansion piece 101, and comprises an optical fiber bundle 301. The optical fiber bundle 301 comprises a plurality of optical fiber filaments. An installation groove is formed in the wall of the upper expansion piece 101, and the optical fiber bundle 301 is located in the installation groove. The optical fiber bundle 301 extends away from the handle 104. An illumination end 302 is arranged at the end of the optical fiber bundle 301 away from the handle 104. The illumination end 302 is uniformly distributed on the end wall of the upper expansion piece 101 close to the lower expansion piece 102. The illumination end 302 of the optical fiber bundle 301 is radially dispersed. An installation seat 303 is fixedly connected to the top of the upper expansion piece 101. The end of the optical fiber bundle 301 away from the illumination end 302 extends into the installation seat 303. Of course, the end of the upper expansion piece away from the illumination end can also be partially extended in the direction away from the illumination end, and then the installation seat is installed on the extended part, so as to not easily abut against the examinee and facilitate the illumination switch.

[0029] The light source assembly is arranged in the installation seat 303, and comprises an illuminating lamp 304 screwed on the inner wall of the installation seat 303. A plurality of lamp beads 305 are arranged on the bottom of the illuminating lamp 304. A button 306 is arranged on the top of the illuminating lamp 304. The illuminating lamp 304 is located above the optical fiber bundle 301. The illuminating lamp 304 and the installation seat 303 are connected in a screwing manner, which can be detached, facilitating recycling and reducing resource waste. The installation seat 303 is not light-transmitting, so as to avoid affecting the illumination effect of the illumination end 302.

[0030] A recess is formed in the end wall of the lower expansion piece 102 close to the upper expansion piece 101. A reflector 4 is fixedly connected in the recess. The reflector 4 is located below the illumination end 302. The light of the illumination end 302 is reflected by the reflector 4, so as to improve the illumination effect.

[0031] Working principle: when using, the upper expansion sheet 101 and the lower expansion sheet 102 are put into the vaginal orifice, the upper expansion sheet 101 is expanded upward by pressing the connecting plate 103, the second one-way tooth 203 is moved in the process of the connecting plate 103 moving, when the second one-way tooth 203 is engaged with the first one-way tooth 202, the first one-way tooth 202 is reversely locked to the second one-way tooth 203, so that the position of the expanded upper expansion sheet 101 is fixed, the illuminating lamp 304 is opened through the button 306, the light energy is transmitted to the illuminating end 302 through the optical fiber bundle 301, the illumination is realized, the operation is facilitated, the light energy is transmitted through the optical fiber bundle 301, the energy loss in the transmission process is reduced, moreover, the installation groove is arranged in the wall of the upper expansion sheet 101, the optical fiber bundle 301 is located in the installation groove, the use of the operator is avoided, the light of the illuminating end 302 is reflected through the reflector 4, the illumination effect is improved.

[0032] The basic principle, main features and advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only for illustrating the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall into the scope of the utility model claimed to be protected. The scope of the utility model claimed to be protected is defined by the appended claims and their equivalents.

Claims

1. A dilator for cervical examination, comprising an upper dilator piece (101) and a lower dilator piece (102), one side of the upper dilator piece (101) is fixedly connected with two front and rear connecting plates (103), one side of the lower dilator piece (102) is fixedly connected with a handle (104), the handle (104) is located between the two connecting plates (103), the connecting plates (103) and the handle (104) are hinged, and a locking assembly is arranged between the connecting plates (103) and the handle (104), characterized in that: The upper expansion sheet (101) is provided with an illumination mechanism, the illumination mechanism comprises a fiber bundle (301), a mounting groove is formed in the wall of the upper expansion sheet (101), the fiber bundle (301) is located in the mounting groove, the fiber bundle (301) extends away from the handle (104), one end of the fiber bundle (301) away from the handle (104) is provided as an illumination end (302), the illumination end (302) is uniformly distributed on the end wall of the upper expansion sheet (101) and the lower expansion sheet (102) close to each other, the illumination end (302) of the fiber bundle (301) is radially dispersed, the top of the upper expansion sheet (101) is fixedly connected with a mounting seat (303), one end of the fiber bundle (301) away from the illumination end (302) extends into the mounting seat (303), and the mounting seat (303) is provided with a light source assembly.

2. A dilator for cervical examination according to claim 1, characterized in that: The light source assembly comprises an illuminating lamp (304) threadedly connected to the inner wall of the mounting seat (303), the bottom of the illuminating lamp (304) is provided with a plurality of lamp beads (305), the top of the illuminating lamp (304) is provided with a button (306), and the illuminating lamp (304) is located above the fiber bundle (301).

3. A dilator for cervical examination according to claim 1, characterized in that: The front and rear walls of the handle (104) are fixedly connected with a hinged shaft (105), and the connecting plate (103) is rotationally connected to the hinged shaft (105).

4. A dilator for cervical examination according to claim 1, characterized in that: The locking assembly comprises two front and rear symmetrically arranged mounting plates (201), the mounting plates (201) are elastic, the mounting plates (201) are fixedly connected to the side walls of the handle (104), and the sides of the two mounting plates (201) away from each other are fixedly connected with a plurality of first one-way teeth (202) arranged at equal intervals.

5. The dilator of claim 1, wherein: The end walls of the lower expansion sheet (102) and the upper expansion sheet (101) close to each other are provided with grooves, and the grooves are fixedly connected with reflectors (4), and the reflectors (4) are located below the illumination ends (302).

6. A dilator for cervical examination according to claim 1, characterized in that: The fiber bundle (301) comprises a plurality of optical fiber filaments.

Citation Information

Patent Citations

  • A multi-channel vaginal dilator

    CN220988758U