CN219398743U - Endoscope probe - Google Patents

Abstract

The application relates to the technical field of medical equipment, in particular to an endoscope probe which comprises a light inlet part, a coupling part and a light outlet part, wherein the coupling part is positioned between the light inlet part and the light outlet part, the light outlet part comprises a light guide piece, the light outlet part is provided with a first light outlet surface and a second light outlet surface, the second light outlet surface surrounds the light guide piece, and the first light outlet surface is perpendicular to and connected with the second light outlet surface; the coupling part comprises a collimation unit and a focusing unit, the second light-emitting surface emits light rays collimated by the collimation unit, the focusing unit corresponds to the light guide piece, and the first light-emitting surface emits light rays focused by the focusing unit and diverged by the light guide piece. The utility model can improve the treatment effect on cervical canal.

Description

Endoscope probe

Technical Field

The application relates to the technical field of medical equipment, in particular to an endoscope probe.

Background

Cervical cancer is one of the most common carcinomas in women, not only accounting for the first place among female genital carcinoma, but also among the various malignant tumors in women. With the continued advancement of photosensitizer and fiber technology, the advantages of using photothermal therapy to treat cervical cancer are also becoming increasingly prominent. The photothermal therapy for treating cervical cancer has the advantages that the cervical cancer is not physically damaged by the traditional treatment method, the cervical structure is not greatly damaged, the function of the cervical can be completely preserved, the pain of a patient is reduced, and the cervical cancer is less easy to relapse compared with the traditional method.

Cervical cancer (cervical cancer) usually occurs at the cervical orifice and the cervical canal, and in order to reduce the treatment frequency, the cervical orifice and the cervical canal are generally treated at the same time at present, but when the cervical orifice and the cervical canal are treated at the same time, the emitted treatment light cannot uniformly irradiate the cervical canal by the existing medical equipment, so that the treatment effect on the cervical canal is not good.

Disclosure of Invention

In order to promote the treatment effect to the cervical canal, the application provides an endoscope probe.

The endoscope probe provided by the application adopts the following technical scheme:

the endoscope probe comprises a light inlet part, a coupling part and a light outlet part, wherein the coupling part is positioned between the light inlet part and the light outlet part, the light outlet part comprises a light guide piece, the light outlet part is provided with a first light outlet surface and a second light outlet surface, the second light outlet surface surrounds the light guide piece, and the first light outlet surface is perpendicular to and connected with the second light outlet surface; the coupling part comprises a collimation unit and a focusing unit, the second light-emitting surface emits light rays collimated by the collimation unit, the focusing unit corresponds to the light guide piece, and the first light-emitting surface emits light rays focused by the focusing unit and diverged by the light guide piece.

By adopting the technical scheme, when the endoscope probe is used for treatment, the light inlet part transmits the light source to the collimation unit, the collimation unit can convert divergent light into parallel light, and part of the light is directly irradiated on the cervical orifice through the second light outlet surface, so that the absorption efficiency of the cervical orifice on treatment light can be improved; the other part of light is guided out from the first light-emitting surface through the light guide piece after being focused by the focusing unit and uniformly irradiates on the inner wall of the cervical canal, so that the treatment effect on the cervical canal can be improved.

Optionally, the focusing unit is located between the collimating unit and the light emitting part, and a projection of the focusing unit on the plane of the collimating unit is located on the collimating unit.

By adopting the technical scheme, after the treatment light is collimated by the collimation unit, part of the treatment light is led out through the second light-emitting surface, and the other part of the treatment light is led out from the first light-emitting surface by the light guide piece after being focused by the focusing unit, and when the endoscope is manufactured, only the collimation unit and the focusing unit are sequentially arranged on the light path, so that the manufacturing process is simpler and more convenient.

Optionally, the focusing unit and the collimating unit form an aspheric lens, and the collimating unit surrounds the focusing unit.

By adopting the technical scheme, when the light emitted by the light inlet part passes through the collimation unit and the focusing unit, only one lens is needed, so that the loss of the light is reduced, and the treatment effect can be improved.

Optionally, the curved surface radius of the focusing unit is smaller than the curved surface radius of the collimating unit.

By adopting the technical scheme, the angle of the light refracted by the focusing unit is larger than the angle of the light refracted by the collimating unit.

Optionally, the center of the projection of the focusing unit on the plane of the collimating unit coincides with the center of the collimating unit.

By adopting the technical scheme, the outgoing light of the focusing unit is positioned in the middle of the outgoing light of the collimation unit.

Optionally, the collimating unit corresponds to the second light-emitting surface.

By adopting the technical scheme, the light emitted by the collimation unit can completely irradiate the cervical orifice through the second light emitting surface, so that the treatment effect on the cervical orifice is improved.

Optionally, the backlight module further comprises a light homogenizing part, wherein the light homogenizing part is positioned in the light emitting direction of the light entering part, and the light homogenizing part is positioned between the light entering part and the light emitting part.

By adopting the technical scheme, when the endoscope probe is used for treatment, the light homogenizing part can homogenize uneven light emitted by the first light guide part into a flat-top beam, the illumination intensity of the flat-top beam is uniform, and the excessive or insufficient exposure of partial areas can be prevented during treatment, so that the treatment effect is improved.

Optionally, the light guide member is a scattering light-transmitting body.

By adopting the technical scheme, the scattering light-transmitting body can uniformly transmit light to the inner wall of the cervical canal.

Optionally, the light guide member is a side light optical fiber.

By adopting the technical scheme, compared with other light guide pieces, the side light optical fiber has more uniform light guiding out, so that the light irradiated on the inner wall of the cervical canal is more uniform, and the treatment effect on the cervical canal is improved.

Optionally, a camera is disposed at one end of the light guide member away from the coupling portion.

By adopting the technical scheme, before treatment, the camera can observe the lesion part; during treatment, the condition of the lesion part can be observed in real time, so that the accurate treatment of the lesion part is realized, and the treatment effect is improved.

Optionally, the light guide piece is wrapped up with annotates the liquid pipe outward, the light transmission annotates the liquid pipe outer wall and is equipped with a plurality of notes liquid holes.

Through adopting above-mentioned technical scheme, accessible notes liquid pipe and notes liquid hole wash pathological change position before the treatment, still can pour into photosensitizer into pathological change position, and accessible notes liquid pipe and notes liquid hole pour into anti-inflammatory drug after the treatment into, simultaneously, the light transmission notes liquid pipe is compared in the opaque notes liquid pipe, can reduce notes liquid pipe and to the absorption of light, promotes treatment.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the endoscope probe is used, the light entering part conducts the light emitted by the light source to the coupling part, and the light is guided out from the first light emitting surface and the second light emitting surface after being collimated and focused by the coupling part, so that the light guide piece can lead out the therapeutic light uniformly from the first light emitting surface, and the therapeutic effect on the cervical canal is improved;

2. the collimating unit and the focusing unit are arranged on the same lens, so that the loss of treatment light can be reduced; meanwhile, the light homogenizing part is arranged, so that the illumination intensity of the treatment light is uniform at all parts, and the treatment effect can be improved.

3. The treatment efficiency can be improved through the auxiliary treatment of the camera and the liquid injection pipe.

Drawings

FIG. 1 is a schematic view of the structure of an endoscopic probe according to embodiment 1 of the present application;

fig. 2 is a schematic structural view of an endoscope probe according to embodiment 2 of the present application.

Reference numerals illustrate: 1. a light inlet part; 2. a coupling section; 21. a collimation unit; 22. a focusing unit; 3. a light emitting section; 31. a light guide; 32. a first light-emitting surface; 33. a second light-emitting surface; 4. a light homogenizing part; 5. a camera; 6. and a liquid injection pipe.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to fig. 1-2. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

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, for example, fixedly connected, detachably connected or integrally connected; 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 will be understood in specific cases by those of ordinary skill in the art.

In the description of the present application, it should be understood that the terms "longitudinal," "transverse," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," and the like indicate an orientation or a positional relationship based on that shown in the drawings, merely for convenience of description and to simplify 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 application. 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" or "a second" may explicitly or implicitly include one or more features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The embodiment of the application discloses an endoscope probe. Referring to fig. 1, the endoscope probe includes an light-in portion 1, a coupling portion 2, and a light-out portion 3, the coupling portion 2 being located between the light-in portion 1 and the light-out portion 3; the endoscope probe further comprises a shell, wherein the light emitting end of the light emitting part 1 and the light emitting end of the light emitting part 3 are both positioned in the shell, and the coupling part 2 is also positioned in the shell.

Referring to fig. 1, the coupling part 2 includes a collimation unit 21 and a focusing unit 22, and the light entering part 1 transmits the light emitted from the light source to the coupling part 2, and the light is guided out by the light emitting part 3 after being collimated by the collimation unit 21 and focused by the focusing unit 22. The light source may be a laser or an LED, depending on the power requirements of the desired therapeutic effect.

The light entering part 1 can be an optical fiber bundle or a light pipe, in this embodiment, the light entering part 1 is an optical fiber bundle, and the loss generated when the light is transmitted is lower compared with other light guiding modes, so that the loss of the light emitted by the light source in the process of transmitting the light to the endoscope can be reduced, and the treatment effect of the endoscope probe is improved. Meanwhile, the optical fiber has the characteristics of insulation, high temperature resistance, corrosion resistance and the like, and the service life of the endoscope probe can be prolonged.

Referring to fig. 1, the light emitting unit 3 includes a light guide 31, and the light emitting unit 3 includes a first light emitting surface 32 and a second light emitting surface 33, the first light emitting surface 32 is perpendicular to and connected to the second light emitting surface 33, and when the endoscope probe is used, the light guide 31 is placed in the cervical canal, at this time, light guided out of the first light emitting surface 32 is irradiated on the inner wall of the cervical canal, and light guided out of the second light emitting surface 33 is irradiated on the cervical orifice, thereby realizing simultaneous treatment of the cervical canal and the cervical orifice.

The light guide member 31 may be located at any position on the second light emitting surface 33, in this embodiment, the light guide member 31 is located in the middle of the second light emitting surface 33, so that the endoscope probe corresponds to the physiological structure of the cervical orifice and the cervical canal, so that the second light emitting surface 33 corresponds to the cervical orifice, and compared with the case that the light guide portion is located at other positions on the light emitting surface, the light guided out of the second light emitting surface 33 can be more uniformly irradiated on the cervical orifice, thereby improving the therapeutic effect on the cervical orifice.

Referring to fig. 1, in the present embodiment, the focusing unit 22 is located between the collimating unit 21 and the light emitting portion 3, and the projection of the focusing unit 22 on the plane of the collimating unit 21 is located on the collimating unit 21, so that after the therapeutic light is collimated by the collimating unit 21, part of the therapeutic light is led out through the second light emitting surface 33, and the other part of the therapeutic light is led out from the first light emitting surface 32 through the light guiding member 31 after being focused by the focusing unit 22, when the endoscope is manufactured, only the collimating unit 21 and the focusing unit 22 are sequentially arranged on the light path, so that the manufacturing process is simpler.

The collimation unit 21 can convert the divergent therapeutic light into parallel therapeutic light, and part of the therapeutic light guided out through the second light-emitting surface 33 can be directly irradiated to the cervical orifice, so that the therapeutic effect on the cervical orifice can be improved. The other part of the therapeutic light is guided out from the first light-emitting surface 32 through the light guide member 31 after being focused by the focusing unit 22, and uniformly irradiates on the inner wall of the cervical canal, so that the therapeutic effect on the cervical canal can be improved.

The light guide member 31 may be a scattering light-transmitting body or a side light optical fiber, in this embodiment, the light guide member 31 is a side light optical fiber, the side light optical fiber is a quartz optical fiber with a resin layer wrapped outside, and the light led out by the side light optical fiber is more uniform than the light led out by other light guide members 31, so that the therapeutic light irradiated on the inner wall of the cervical canal is more uniform, and the therapeutic effect on the cervical canal is improved. In other embodiments, the light guide 31 may also be a plastic body with scattering and light transmission, a scattering glass rod, etc.

Referring to fig. 1, a light homogenizing part 4 is disposed between a light incident part 1 and a light emergent part 3, the light homogenizing part 4 is located in the light emergent direction of the light incident part 1, the light homogenizing part 4 can be located before the coupling part 2 or after the coupling part 2, in this embodiment, the light homogenizing part 4 is located before the coupling part 2, the light homogenizing part 4 can convert uneven therapeutic light into a flat-top beam, the illumination intensity of the flat-top beam at each place is uniform, excessive or insufficient exposure of a part of the area can be prevented during treatment, and the therapeutic effect is improved. In this embodiment, the dodging unit 4 is a custom DOE, and in other embodiments, the dodging member may be a dodging rod, a dodging sheet, or the like according to different usage scenarios.

Referring to fig. 1, a camera 5 is disposed at one end of the light guide 31 away from the coupling portion 2, and before treatment, a lesion can be observed by the camera 5; during treatment, the condition of the lesion part can be observed in real time, so that the accurate treatment of the lesion part is realized, and the treatment efficiency is improved. The camera 5 may be a CCD or a CMOS.

The light guide 31 is wrapped with a light-transmitting liquid injection pipe 6, and a plurality of liquid injection holes are formed in the outer wall of the liquid injection pipe 6. Before treatment, the lesion part can be cleaned through the liquid injection pipe 6 and the liquid injection hole, the photosensitizer can be injected into the lesion part, the anti-inflammatory medicine can be injected through the liquid injection pipe 6 and the liquid injection hole after treatment, and meanwhile, compared with the liquid injection pipe 6 which is not transparent, the light-transmitting liquid injection pipe 6 can reduce the absorption of the liquid injection pipe 6 to light, and the treatment effect is improved.

The implementation principle of the endoscope probe in the embodiment of the application is as follows: when the endoscope probe is used for treatment, light emitted by the light source is conducted to the shell through the light inlet part 1, treatment light is conducted to the coupling part 2 after being subjected to light homogenization through the light homogenizing part 4, the peripheral treatment light is irradiated to the cervical orifice through the second light outlet surface 33 after being collimated by the collimation unit 21, the middle treatment light is conducted to the light guide piece 31 after being focused by the focusing unit 22, and is uniformly irradiated to the inner wall of the cervical canal through the first light outlet surface 32 after being dispersed by the light guide piece 31, so that the treatment effect on the cervical canal is improved.

Example 2

Referring to fig. 2, embodiment 2 is different from embodiment 1 in that the focusing unit 22 and the collimating unit 21 in embodiment 2 constitute an aspheric lens, and the curved surface radius of the collimating unit 21 is larger than that of the focusing unit 22, and at the same time, the focusing unit 22 is located in the middle of the aspheric lens, and the collimating unit 21 is disposed around the focusing unit 22. So set up, only need pass through a lens when therapeutic light passes through coupling portion 2, reduced the loss of light, promoted the treatment.

The aspherical surface of the aspherical lens in this embodiment satisfies the following expression:

where z is the distance sagittal height from the aspherical surface vertex when the aspherical surface is at a position of height r in the optical axis direction, c represents the vertex curvature of the surface, k is the conic coefficient, α ₂ ，α ₃ ，α ₄ ，α ₅ Is a higher order aspheric coefficient.

Wherein the specific parameters are as follows:

the foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. An endoscope probe, characterized by comprising a light inlet part (1), a coupling part (2) and a light outlet part (3), wherein the coupling part (2) is positioned between the light inlet part (1) and the light outlet part (3), the light outlet part (3) comprises a light guide member (31), the light outlet part (3) is provided with a first light outlet surface (32) and a second light outlet surface (33), the second light outlet surface (33) surrounds the light guide member (31), and the first light outlet surface (32) is perpendicular to and connected with the second light outlet surface (33); the coupling part (2) comprises a collimation unit (21) and a focusing unit (22), the second light-emitting surface (33) emits light rays collimated by the collimation unit (21), the focusing unit (22) corresponds to the light guide piece (31), and the first light-emitting surface (32) emits light rays focused by the focusing unit (22) and diverged by the light guide piece (31).

2. An endoscopic probe according to claim 1, characterized in that the focusing unit (22) is located between the collimating unit (21) and the light outlet (3), the projection of the focusing unit (22) onto the plane of the collimating unit (21) being located on the collimating unit (21).

3. An endoscopic probe according to claim 1, characterized in that the focusing unit (22) and the collimating unit (21) constitute an aspheric lens, the collimating unit (21) surrounding the focusing unit (22).

4. An endoscopic probe according to claim 3, characterized in that the curved radius of the focusing unit (22) is smaller than the curved radius of the collimating unit (21).

5. An endoscopic probe according to any of claims 1-4, characterized in that the centre of projection of the focusing unit (22) on the plane of the collimating unit (21) coincides with the centre of the collimating unit (21).

6. An endoscope probe according to claim 5, characterized in that said collimation unit (21) corresponds to said second light exit surface (33).

7. The endoscope probe according to claim 1, characterized by further comprising a dodging section (4), the dodging section (4) being located in the light exit direction of the light entry section (1), and the dodging section (4) being located between the light entry section (1) and the light exit section (3).

8. The endoscope probe according to claim 1, characterized in that the light guide (31) is a scattering light-transmitting body, or;

the light guide member (31) is a side light optical fiber.

9. An endoscope probe according to claim 1, characterized in that the end of the light guide (31) remote from the coupling part (2) is provided with a camera (5).

10. The endoscope probe according to claim 1, wherein the light guide member (31) is externally wrapped with a light-transmitting liquid injection tube (6), and a plurality of liquid injection holes are formed in the outer wall of the liquid injection tube (6).