阅读说明：本技术 窄光谱宫颈检查仪及其检测方法 (Narrow spectrum cervical inspection tester and detection method thereof ) 是由 朱兰 孙大为 于 2020-06-29 设计创作，主要内容包括：本发明公开了一种窄光谱宫颈检查仪及其检测方法,检查仪包括：套筒,其形成两端均具有开口的圆锥筒,锥度自第一开口向第二开口处逐渐增大；套筒内部可插入有导入组件；导入组件第一端伸出第一开口,其第二端可卡入第二开口处；窄光谱发光组件嵌合于第二开口外壁上,且进入套筒的内腔,其可调节出白光、蓝光、绿光、蓝绿光四种工作模式；以及放大组件,第二开口顶部形成有与套筒内腔连通的观察口,放大组件活动卡接于第二开口处,且可罩设于观察口上。本发明采用窄光谱和放大镜技术结合,利用400-600nm波长之间的光线,分别被粘膜表面的毛细血管吸收和粘膜表层以下的毛细血管吸收,正常粘膜、血管和病变处形成鲜明对比,提高了宫颈病变的诊断敏感性。(The invention discloses a narrow spectrum cervical inspection tester and a detection method thereof, wherein the inspection tester comprises: the sleeve is a conical cylinder with openings at two ends, and the taper is gradually increased from the first opening to the second opening; the guide-in component can be inserted into the sleeve; the first end of the leading-in component extends out of the first opening, and the second end of the leading-in component can be clamped into the second opening; the narrow-spectrum light-emitting component is embedded on the outer wall of the second opening and enters the inner cavity of the sleeve, and can adjust four working modes of white light, blue light, green light and blue-green light; and the top of the second opening is provided with an observation port communicated with the inner cavity of the sleeve, and the amplifying assembly is movably clamped at the second opening and can be covered on the observation port. The invention adopts the combination of narrow spectrum and magnifier technology, and utilizes light with wavelength of 400-600nm to be respectively absorbed by capillary vessels on the surface of mucosa and capillary vessels below the surface layer of mucosa, so that the normal mucosa, blood vessels and lesion parts form sharp contrast, and the diagnosis sensitivity of cervical lesions is improved.)

1. A narrow spectrum cervical inspection apparatus, comprising:

the sleeve (100) forms a conical cylinder with openings at two ends, and the taper of the conical cylinder is gradually increased from the first opening (101) to the second opening (102);

an introduction assembly (200), said introduction assembly (200) being insertable inside said sleeve (100); the first end of the lead-in component (200) extends out of the first opening (101), and the second end of the lead-in component can be clamped into the second opening (102);

the narrow-spectrum light-emitting component (300) is embedded on the outer wall of the second opening (102) and enters the inner cavity of the sleeve (100), and four working modes of white light, blue light, green light and blue-green light can be adjusted;

and the top of the second opening (102) is provided with an observation port communicated with the inner cavity of the sleeve (100), and the amplification component (400) is movably clamped at the second opening (102) and can be covered on the observation port.

2. The narrow-spectrum cervical inspection instrument according to claim 1, wherein a tail cylinder (103) is sleeved on an outer wall of the second opening (102), a side surface of the tail cylinder (103) and the outer wall of the second opening (102) jointly form a fitting groove, and the narrow-spectrum light-emitting component (300) is fitted in the fitting groove and extends into the inner cavity of the sleeve (100).

3. The narrow-spectrum cervical inspection apparatus according to claim 1, wherein the lead-in assembly (200) comprises a semicircular plug (201), a connecting rod (202) and a top plate (203) which are connected in sequence; the semicircular plug (201) is matched with the first opening (101); the connecting rod (202) can be inserted into the inner cavity of the sleeve (100), and the top plate (203) is clamped into the inner wall of the second opening; the top of the top plate (203) is hinged with a pull ring (204).

4. The narrow-spectrum cervical inspection apparatus according to claim 2, wherein said narrow-spectrum light emitting assembly (300) comprises: a housing (301), a printed circuit board (302), a light emitting element (303), a battery (304), and a multi-way switch (305); the inner side shape of the shell (301) is matched with the shape of the embedding groove, the printed circuit board (302) is fixed at the bottom of the inner side, the light-emitting element (303) is installed at the bottom of the printed circuit board (302), and the multi-way switch (305) is fixed outside the shell (301); and the printed circuit board (302), the light-emitting element (303), the battery (304) and the multi-way switch (305) are electrically connected.

5. The narrow-spectrum cervical inspection apparatus according to claim 4, wherein said light emitting element (303) is a full-color LED or a diode lamp bead.

6. The narrow spectrum cervical inspection apparatus according to claim 1, wherein said amplifying assembly (400) includes: an assembly seat (401) and a magnifying lens (402); the assembling seat (401) is provided with the magnifier (402), the magnifier is movably clamped at the second opening (102), the magnifier (402) is a 20-time magnifying lens, and the magnifier (402) can be covered on the observation port.

7. The narrow-spectrum cervical inspection apparatus according to claim 6, wherein a claw (403) is hinged to one side of the mounting seat (401), and the claw is movably clamped on a ring groove formed at the top of the second opening (102).

8. The narrow-spectrum cervicitis detector according to any one of claims 1-7, characterized in that the inner wall of the second opening (102) is provided with a positioning part (104) for mounting an external recording device.

9. A detection method of a narrow-spectrum cervical inspection tester is characterized by comprising the following steps: the method comprises the following steps:

s1, forming a completely dark detection environment;

s2, moving the light emitting assembly to the outer side of the sleeve, inserting the introducing assembly into the sleeve, integrally inserting the sleeve and the introducing assembly into the cervix, and then withdrawing the introducing assembly;

s3, setting the light source of the narrow-spectrum light-emitting component to be in a white light mode, and observing by naked eyes;

s4, setting the light sources of the narrow-spectrum light-emitting component into blue light, green light and blue-green light modes respectively, and observing by naked eyes;

s5, placing the lens at the second opening of the sleeve by using external shooting equipment to store images of different spectra in different proportions;

and S6, locally observing the lesion tissue by using a magnifying glass.

10. The inspection method of a narrow spectrum cervical inspection apparatus according to claim 9, wherein: under the observation of narrow spectrum, the biopsy forceps can be used for carrying out accurate biopsy sampling on the lesion tissue, and the biopsy forceps enter from the inner cavity of the sleeve; and after the biopsy sampling and detection are finished, withdrawing the biopsy forceps, the external camera shooting equipment lens and the sleeve in sequence.

Technical Field

The invention relates to the technical field of gynecological clinical diagnostic instruments, in particular to a narrow-spectrum cervical inspection instrument which can perform narrow-spectrum (NB) detection on cervix so as to increase the sensitivity of lesion site screening and particularly improve the diagnosis rate of erosion and early canceration screening accompanied with capillary vessel change.

Background

The examination of directly observing the cervix and the vagina through the vagina is one of the common gynecological examination items, the condition of the cervix and the vagina can be directly and clearly known through the examination, the gynecological diseases related to the cervix can be diagnosed, and the early discovery, the early diagnosis and the early treatment can be realized; the cervical examination is divided into conventional vaginal speculum examination and colposcopy examination, but the existing examination means are distinguished under the conditions of white light and naked eyes, but the pathological change part is observed and diagnosed by the naked eyes, so that the missed diagnosis rate and the misjudgment rate are high.

Research shows that the narrow spectrum NB technology can improve contrast and clearly display the capillary morphology and the fine surface structure of the superficial mucosa, and the principle of the narrow spectrum NB technology is as follows:

1. the main substance absorbing visible light in the mucosa is hemoglobin, which has the most obvious absorption to blue light with the wavelength of 415nm and green light with the wavelength of 540nm, so that blood vessels under NB have dark color and strong contrast.

2. The two lights have shorter wavelength and weak penetrating power to the mucous membrane, are reflected on the surface and the shallow layer of the mucous membrane and can display the structure of the shallow layer of the capillary.

3. The light is reflected strongly on the surface of the mucous epithelium, and the surface morphology of the mucous membrane can be better displayed.

4. A narrow spectrum light source helps to improve contrast.

Therefore, how to provide a narrow spectrum cervical examining instrument for conveniently observing and diagnosing so as to reduce the missing diagnosis and the misjudgment rate is a problem to be solved urgently by the technical personnel in the field.

Disclosure of Invention

Therefore, the invention aims to provide a narrow-spectrum cervical inspection tester, which solves the problems of inconvenience in observation and diagnosis, missed diagnosis and high misjudgment rate of cervical inspection in the prior art.

The invention provides a narrow spectrum cervical inspection tester, which comprises:

the sleeve forms a conical cylinder with openings at two ends, and the taper is gradually increased from the first opening to the second opening;

the guide assembly can be inserted into the sleeve; the first end of the leading-in component extends out of the first opening, and the second end of the leading-in component can be clamped into the second opening;

the narrow-spectrum light-emitting component is embedded on the outer wall of the second opening and enters the inner cavity of the sleeve, and four working modes of white light, blue light, green light and blue-green light can be adjusted;

and the top of the second opening is provided with an observation port communicated with the inner cavity of the sleeve, and the amplifying assembly is movably clamped at the second opening and can be covered on the observation port.

In order to avoid the influence of external light on narrow spectrum detection, the sleeve is made of opaque high polymer plastic.

According to the technical scheme, compared with the prior art, the narrow-spectrum cervical inspection instrument disclosed by the invention overcomes the defects of the existing vaginal cervical inspection means, adopts the narrow-spectrum (NB) and Magnifier (ME) technologies, and utilizes the light with the wavelength of 400-600nm to be respectively absorbed by the capillary vessels on the surface of the mucosa and the capillary vessels below the surface layer of the mucosa, so that the capillary vessels are brown → black green, and the erosion surface and the normal mucosa form the characteristic of sharp contrast of a boundary line, the diagnosis sensitivity of cervical lesions is improved, and the basis is provided for the diagnosis and biopsy of clinical cervical diseases; the universality and convenience of the device application are increased.

Furthermore, a tail cylinder is sleeved on the outer wall of the second opening, an embedded groove is formed by the side face of the tail cylinder and the outer wall of the second opening, and the narrow-spectrum light-emitting component is embedded in the embedded groove and extends into the inner cavity of the sleeve.

Further, the leading-in assembly comprises a semicircular plug, a connecting rod and a top plate which are connected in sequence; the semicircular plug is matched with the first opening; the connecting rod can be inserted into the inner cavity of the sleeve, and the top plate is clamped into the inner wall of the second opening; the top of the top plate is hinged with a pull ring. Therefore, the semi-circular plug of the leading-in assembly is convenient to pour in, and the pull ring is convenient to pull out the semi-circular plug from the sleeve.

Further, a narrow spectrum light emitting assembly includes: the LED lamp comprises a shell, a printed circuit board, a light-emitting element, a battery and a multi-way switch; the shape of the inner side of the shell is matched with that of the embedding groove, a printed circuit board is fixed at the bottom of the inner side of the shell, the light-emitting element is installed at the bottom of the printed circuit board, and the multi-way switch is fixed outside the shell; and the printed circuit board, the light-emitting element, the battery and the multi-way switch are electrically connected.

Further, the light-emitting element is a full-color LED or a diode lamp bead. The multi-way switch is shifted to select four working modes of white light, blue light, green light and blue-green light.

Further, the amplifying assembly includes: assembling a seat and a magnifier; the magnifier is arranged on the assembling seat and is movably clamped at the second opening, the magnifier is a double-magnification lens, and the magnifier can be covered on the observation port.

Furthermore, one side of the assembling seat is hinged with a clamping jaw, and the clamping jaw is movably clamped on a ring groove formed in the top of the second opening. Therefore, the angle of the magnifier can be flexibly adjusted and fixed. When in use, the mirror surface can be turned into the sleeve, and the angle and the position of the mirror surface can be adjusted.

Furthermore, a positioning part for installing an external recording device is arranged on the inner wall of the second opening; the positioning part can be a positioning groove and is connected with the lens part. The external shooting and recording device selects the existing zoom high-definition digital equipment in the market, has the functions of displaying, photographing, shooting and storing, and is used for setting the center and the focal length of the lens to be matched with the sleeve video acquisition positioning groove.

Another object of the present invention is to provide a method for detecting a narrow-spectrum cervicitis tester, comprising the following steps:

s1, forming a completely dark detection environment;

s2, moving the light emitting assembly to the outer side of the sleeve, inserting the introducing assembly into the sleeve, integrally inserting the sleeve and the introducing assembly into the cervix, and then withdrawing the introducing assembly;

s3, setting the light source of the narrow-spectrum light-emitting component to be in a white light mode, and observing by naked eyes;

s4, setting the light sources of the narrow-spectrum light-emitting component into blue light, green light and blue-green light modes respectively, and observing by naked eyes;

s5, placing the lens at the second opening of the sleeve by using external shooting equipment to store images of different spectra in different proportions;

and S6, locally observing the lesion tissue by using a magnifying glass.

Wherein, form full dark detection environment in S1, place the operator back or operate in the darkroom with the shading cloth cover, the shading cloth cover is made for light-tight, the material that does not reflect light, is used for preventing to have the light to penetrate into the observation hole behind the operator of placing and influences the detection.

According to the technical scheme, compared with the prior art, the detection method of the narrow-spectrum cervical inspection tester disclosed by the invention has the advantages that the narrow-spectrum diagnosis improves the diagnosis sensitivity of white light and naked eyes, and particularly can improve the diagnosis rate of screening erosion and early canceration accompanied with capillary vessel change.

Furthermore, under the observation of narrow spectrum, the lesion tissue can be accurately sampled by biopsy forceps which enter from the inner cavity of the sleeve; and after the biopsy sampling and detection are finished, withdrawing the biopsy forceps, the external camera shooting equipment lens and the sleeve in sequence.

The inventive concept can also be used for the reconstruction of electronic colposcope, the existing electronic colposcope optical filter allows all the wavelengths of visible light to pass through, and has the function of magnifying glass (ME). As long as the filter of the narrow spectrum imaging (NBI) endoscope is added to allow only blue and green light (with central wavelengths of 415nm and 540nm respectively) to pass through, the narrow spectrum imaging (NBI) and the Magnifier (ME) detection functions can be obtained by adding the blue-green light working mode.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic diagram of a narrow-spectrum cervical inspection apparatus according to the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view showing a state in which the drawing-out detection of the introducing member is performed;

FIG. 4 shows a schematic structural diagram of the import assembly;

FIG. 5 shows a schematic view of a light emitting assembly;

FIG. 6 shows a schematic structural view of an amplifying assembly;

in the figure: 100-sleeve, 101-first opening, 102-second opening, 103-tail cylinder, 104-positioning part, 200-leading-in component, 201-semicircular plug, 202-connecting rod, 203-top plate, 204-pull ring, 300-narrow spectrum light-emitting component, 301-shell, 302-printed circuit board, 303-light-emitting component, 304-battery, 305-multi-way switch, 400-amplifying component, 401-assembly seat, 402-magnifier and 403-claw.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-3, the present invention provides a narrow spectrum cervical inspection apparatus, comprising:

the sleeve 100 is formed into a conical cylinder with openings at two ends, and the taper gradually increases from a first opening 101 to a second opening 102;

an introduction assembly 200, wherein the introduction assembly 200 can be inserted into the sleeve 100; the first end of the lead-in component 200 extends out of the first opening 101, and the second end thereof can be clamped into the second opening 102;

the narrow-spectrum light-emitting component 300 is embedded on the outer wall of the second opening 102, enters the inner cavity of the sleeve 100 and can adjust four working modes of white light, blue light, green light and blue-green light;

and the magnifying component 400, a viewing port communicated with the inner cavity of the sleeve 100 is formed at the top of the second opening 102, and the magnifying component 400 is movably clamped at the second opening 102 and can be covered on the viewing port.

In order to avoid the influence of external light on narrow spectrum detection, the sleeve is made of opaque high polymer plastic.

The invention discloses and provides a narrow spectrum cervical inspection instrument, which overcomes the defects of the existing vaginal cervical detection means, adopts the technology of narrow spectrum (NB) and Magnifier (ME), and utilizes the light with the wavelength of 400-600nm to be respectively absorbed by the capillary vessels on the surface of mucosa and the capillary vessels below the surface layer of mucosa, so that the capillary vessels are brown → black green, and the erosion surface and the normal mucosa form the characteristic of sharp contrast of boundary line, thereby improving the diagnosis sensitivity of cervical lesion and providing a basis for the diagnosis and biopsy of clinical cervical diseases; the universality and convenience of the device application are increased.

Referring to fig. 2, the outer wall of the second opening 102 is sleeved with the tail cylinder 103, the side surface of the tail cylinder 103 and the outer wall of the second opening 102 form a fitting groove, and the narrow-spectrum light-emitting component 300 is fitted in the fitting groove and extends into the inner cavity of the sleeve 100.

Referring to fig. 4, in an embodiment of the present invention, the introducing assembly 200 includes a semicircular plug 201, a connecting rod 202 and a top plate 203 connected in sequence; the semicircular plug 201 is matched with the first opening 101; the connecting rod 202 can be inserted into the inner cavity of the sleeve 100, and the top plate 203 is clamped at the inner wall of the second opening; the top of the top plate 203 is hinged with a pull ring 204. Therefore, the semi-circular plug of the leading-in assembly is convenient to pour in, and the pull ring is convenient to pull out the semi-circular plug from the sleeve.

Referring to fig. 5, a narrow spectrum light emitting assembly 300 includes: a housing 301, a printed circuit board 302, a light emitting element 303, a battery 304, and a multi-way switch 305; the inner shape of the shell 301 is matched with the shape of the embedding groove, the bottom of the inner side of the shell is fixed with a printed circuit board 302, the light-emitting element 303 is arranged at the bottom of the printed circuit board 302, and the multi-way switch 305 is fixed outside the shell 301; the printed circuit board 302, the light emitting device 303, the battery 304 and the multi-way switch 305 are electrically connected.

Specifically, the light emitting element 303 is a full-color LED or a diode bead. The multi-way switch is shifted to select four working modes of white light, blue light, green light and blue-green light.

Referring to fig. 6, the amplifying assembly 400 includes: an assembly base 401 and a magnifier 402; the magnifying glass 402 is mounted on the mounting seat 401 and movably clamped at the second opening 102, the magnifying glass 402 is a 20-time magnifying lens, and the magnifying glass 402 can be covered on the viewing port.

Advantageously, one side of the mounting seat 401 is hinged with a claw 403, which is movably clamped on a ring groove formed at the top of the second opening 102. Therefore, the angle of the magnifier can be flexibly adjusted and fixed. When in use, the mirror surface can be turned into the sleeve, and the angle and the position of the mirror surface can be adjusted.

In the embodiment of the present invention, a positioning portion 104 for mounting an external recording apparatus is provided on the inner wall of the second opening 102. The positioning part can be a positioning groove and is connected with the lens part. The external shooting and recording device selects the existing zoom high-definition digital equipment in the market, has the functions of displaying, photographing, shooting and storing, and is used for setting the center and the focal length of the lens to be matched with the sleeve video acquisition positioning groove.

The invention provides a detection method of a narrow-spectrum cervical inspection tester, which comprises the following steps:

s1, forming a completely dark detection environment; wherein, form full dark detection environment in S1, place the operator back or operate in the darkroom with the shading cloth cover, the shading cloth cover is made for light-tight, the material that does not reflect light, is used for preventing to have the light to penetrate into the observation hole behind the operator of placing and influences the detection.

S2, moving the light emitting assembly to the outer side of the sleeve, inserting the introducing assembly into the sleeve, integrally inserting the sleeve and the introducing assembly into the cervix, and then withdrawing the introducing assembly;

s3, setting the light source of the narrow-spectrum light-emitting component to be in a white light mode, and observing by naked eyes;

s4, setting the light sources of the narrow-spectrum light-emitting component into blue light, green light and blue-green light modes respectively, and observing by naked eyes;

s5, placing the lens at the second opening of the sleeve by using external shooting equipment to store images of different spectra in different proportions;

and S6, locally observing the lesion tissue by using a magnifying glass.

Under the observation of narrow spectrum, the biopsy forceps can be used for carrying out accurate biopsy sampling on the lesion tissue, and the biopsy forceps enter from the inner cavity of the sleeve; and after the biopsy sampling and detection are finished, withdrawing the biopsy forceps, the external camera shooting equipment lens and the sleeve in sequence.

The invention discloses a detection method of a narrow-spectrum cervical inspection tester, which improves the diagnosis sensitivity of white light and naked eyes in narrow-spectrum diagnosis, and particularly can improve the diagnosis rate of screening erosion and early canceration accompanied with capillary vessel change.

The invention can generate a switchable cold light source of blue green and white light which ensures the safety of human body; the cost is low, the disposable design is adopted, the cross infection is avoided, and the application range is enlarged; the portable power supply design is adopted, so that the use flexibility is improved; a device for creating a nearly fully dark detection environment when in use; the equipment is provided with an observation device with an amplification function; the equipment is provided with a shooting device for data acquisition and storage.

The inventive concept can also be used for the reconstruction of electronic colposcope, the existing electronic colposcope optical filter allows all the wavelengths of visible light to pass through, and has the function of magnifying glass (ME). As long as the filter of the narrow spectrum imaging (NBI) endoscope is added to allow only blue and green light (with central wavelengths of 415nm and 540nm respectively) to pass through, the narrow spectrum imaging (NBI) and the Magnifier (ME) detection functions can be obtained by adding the blue-green light working mode.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.