CN219070226U - Special lighting device for endoscope cold light source - Google Patents
Special lighting device for endoscope cold light source Download PDFInfo
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- CN219070226U CN219070226U CN202223139620.2U CN202223139620U CN219070226U CN 219070226 U CN219070226 U CN 219070226U CN 202223139620 U CN202223139620 U CN 202223139620U CN 219070226 U CN219070226 U CN 219070226U
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Abstract
The special illumination device for the cold light source of the endoscope comprises a white light source, a red light source, a dichroic mirror and a light guide optical fiber, wherein the dichroic mirror is arranged between the red light source and the light guide optical fiber, and the white light source is arranged on one side of the dichroic mirror; the incident optical axis of the white light source and the incident optical axis of the red light source are respectively arranged at 45 degrees with the mirror surfaces at the two sides of the dichroic mirror, and the emergent optical axis of the white light source and the emergent optical axis of the red light source are overlapped and are correspondingly arranged with the light guide optical fiber. When the utility model is matched with an endoscope camera system, the working state of the light source device is as follows: the white light source and the red light source respectively and independently work and illuminate, and the two light sources simultaneously work and illuminate, respectively display different forms of the structure tissue, or increase and refine contrast, identification degree and the like of the structure tissue, and can also be matched with a developing reagent for use to display tissue structuring and sectionalized development so as to help doctors to better identify the tissue, distinguish tumors, refine operation and the like.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a special illumination device for an endoscope cold light source.
Background
Most of endoscope light sources used in the traditional medical industry are light sources taking xenon lamps as cores, and the light sources have the problems of short service life, large self-heating value during working, very large power consumption loss and the like. Along with the development of the advanced technology of society, the brightness of the LED is continuously improved, so that the defects of the original xenon lamp endoscope light source are well overcome, and the traditional xenon lamp light source is gradually replaced by the characteristics of excellent high brightness, long service life, low heat productivity, low power consumption and loss and the like.
However, with the progress of medical technology and the development of medical methods, the traditional light source and the LED light source used for single-function illumination cannot meet the requirements of surgery under the new technology, for example, narrow-band endoscope imaging requires illumination of some special lights, different wavelengths of lights have different penetrability to different mucous membranes and tissues, and by combining with the special imaging method of an endoscope imaging system, the imaging of the forms of mucous membrane surfaces, capillaries and microstructure is good, the contrast of different tissues is increased, and even the pathological differentiation degree of tumors can be judged to a certain extent, so that the purpose of optical biopsy is achieved.
Therefore, in order to solve the above-mentioned problems, it is necessary to design a special illumination device for an endoscope cold light source.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide a special illumination device for an endoscope cold light source.
To achieve the above and other related objects, the present utility model provides the following technical solutions: the special illumination device for the endoscope cold light source comprises a white light source, a red light source, a dichroic mirror and a light guide optical fiber, wherein the dichroic mirror is arranged between the red light source and the light guide optical fiber, and the white light source is arranged on one side of the dichroic mirror; the incident optical axis of the white light source and the incident optical axis of the red light source are respectively arranged at 45 degrees with the mirror surfaces on the two sides of the dichroic mirror, and the emergent optical axis of the white light source and the emergent optical axis of the red light source are overlapped and are arranged corresponding to the light guide optical fiber.
The preferable technical scheme is as follows: a converging lens group is arranged between the white light source and the dichroic mirror.
The preferable technical scheme is as follows: a converging lens is arranged between the red light source and the dichroic mirror.
The preferable technical scheme is as follows: and a focusing lens group is arranged between the light guide fiber and the dichroic mirror.
The preferable technical scheme is as follows: the emergent light axis of the white light source is focused by the focusing lens group to form a focus spot, the diameter of the focus spot is 5mm, and the light inlet of the light guide fiber is correspondingly arranged with the focus spot.
The preferable technical scheme is as follows: the numerical aperture of the light guide fiber was 0.64, and the maximum effective light receiving angle of the light guide fiber was 83 degrees.
The preferable technical scheme is as follows: the dichroic mirror reflects an incident optical axis of the white light source, and the dichroic mirror transmits the incident optical axis of the red light source; the reflection wavelength range of the dichroic mirror is 300-635nm, and the transmission range of the dichroic mirror is 650-800nm.
The preferable technical scheme is as follows: the white light source and the red light source are both provided with a radiator and a fan for cooling.
The preferable technical scheme is as follows: the dichroic mirror is configured with a base for fixing a mounting angle, and is detachably and fixedly mounted on the base.
The preferable technical scheme is as follows: the red light source can be replaced by light sources with other colors or wavelengths according to the use requirement; the dichroic mirror has various specifications, and the dichroic mirrors with different specifications are plated with different transflective film layers according to the wavelength difference of the light source.
Due to the application of the technical scheme, the utility model has the following beneficial effects:
the utility model provides a special lighting device for an endoscope cold light source, which has the working state that when being matched with an endoscope shooting system, the light source device is as follows: the white light source and the red light source respectively and independently work and illuminate, and the two light sources simultaneously work and illuminate, respectively display different forms of the structure tissue, or increase and refine contrast, identification degree and the like of the structure tissue, and can also be matched with a developing reagent for use to display tissue structuring and sectionalized development so as to help doctors to better identify the tissue, distinguish tumors, refine operation and the like.
Drawings
FIG. 1 is a schematic diagram of the present utility model.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
Please refer to fig. 1. It should be noted that, in the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. The terms "horizontal," "vertical," "overhang," and the like do not denote that the component is required to be absolutely horizontal or overhang, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or communicating 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.
Examples:
as shown in fig. 1, the special illumination device for an endoscope cold light source provided by the utility model comprises a white light source (LED) 1, a red light source 2, a dichroic mirror 5 and a light guide fiber 7, wherein the dichroic mirror 5 is arranged between the red light source 2 and the light guide fiber 7, and the white light source 1 is arranged at one side of the dichroic mirror 5; the incident optical axis of the white light source 1 and the incident optical axis of the red light source 2 are respectively arranged at 45 degrees with the mirror surfaces on the two sides of the dichroic mirror 5, and the emergent optical axis of the white light source 1 and the emergent optical axis of the red light source 2 are overlapped and are correspondingly arranged with the light guide optical fiber 7.
Specifically, a converging lens group 3 is arranged between the white light source 1 and the dichroic mirror 5 and is used for converging the incident optical axis of the white light source 1; a converging lens 4 is arranged between the red light source 2 and the dichroic mirror 5 and is used for converging the incident optical axis of the red light source 2; a focusing lens group is arranged between the light guide fiber 7 and the dichroic mirror 5 and is used for focusing the emergent optical axis of the white light source 1 and the emergent optical axis of the red light source 2.
The incident optical axis of the red light source 2 passes through the converging lens 4, the incident optical axis of the red light source 2 and the dichroic mirror 5 are incident at 45 degrees and penetrate through the dichroic mirror 5, the emergent optical axis of the red light source 2 coincides with the emergent optical axis of the white light source 1, and the emergent optical axis of the red light source 2 enters the 7 light guide optical fiber after being focused by the focusing lens group 6, so that the red light irradiates the operation tissue through the endoscope.
The emergent light axis of the white light source 1 is focused by the focusing lens group 6 to form a focus spot, the diameter of the focus spot is 5mm, and the light inlet of the light guide fiber 7 is correspondingly arranged with the focus spot. The numerical aperture of the light guide fiber 7 is 0.64, and the maximum effective light receiving angle is 83 degrees, so that the light guide fiber 7 can receive more light, the light receiving efficiency can reach 80%, and the light receiving efficiency is 20% higher than that of a common fiber light source.
Further, the dichroic mirror 5 reflects the incident optical axis of the white light source 1, and the dichroic mirror transmits 5 through the incident optical axis of the red light source 2; the reflection wavelength range of the dichroic mirror 5 is 300-635nm, and the transmission range of the dichroic mirror 5 is 650-800nm.
Furthermore, both the white light source 1 and the red light source 2 are provided with heat sinks 9, 10 and fans 8, 11 for cooling. The heat sinks 9, 10 serve to conduct heat generated by the light source away in time, and rapidly conduct the heat away through copper or aluminum fins thereof. The fans 8, 11 function to cause wind to quickly pass through the heat radiating fins of the heat sinks 9, 10 and to take away heat, so that the light source operates in a relatively efficient state.
Further, the dichroic mirror 5 is further configured with a base for fixing the installation angle, and the dichroic mirror 5 can be detachably and fixedly installed on the base according to different use requirements.
In addition, the red light source 2 can be replaced by light sources with other colors or wavelengths according to the use requirement; the dichroic mirror 5 has various specifications, and the dichroic mirrors 5 of different specifications are coated with different transflective film layers according to the wavelength difference of the light source.
Therefore, the utility model has the following advantages:
the utility model provides a special lighting device for an endoscope cold light source, which has the working state that when being matched with an endoscope shooting system, the light source device is as follows: the white light source and the red light source respectively and independently work and illuminate, and the two light sources simultaneously work and illuminate, respectively display different forms of the structure tissue, or increase and refine contrast, identification degree and the like of the structure tissue, and can also be matched with a developing reagent for use to display tissue structuring and sectionalized development so as to help doctors to better identify the tissue, distinguish tumors, refine operation and the like.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations which can be accomplished by persons skilled in the art without departing from the spirit and technical spirit of the present utility model shall be covered by the appended claims.
Claims (10)
1. An endoscope cold light source special lighting device is characterized in that: the light source device comprises a white light source, a red light source, a dichroic mirror and a light guide optical fiber, wherein the dichroic mirror is arranged between the red light source and the light guide optical fiber, and the white light source is arranged on one side of the dichroic mirror; the incident optical axis of the white light source and the incident optical axis of the red light source are respectively arranged at 45 degrees with the mirror surfaces on the two sides of the dichroic mirror, and the emergent optical axis of the white light source and the emergent optical axis of the red light source are overlapped and are arranged corresponding to the light guide optical fiber.
2. An endoscope cold light source special lighting device according to claim 1, characterized in that: a converging lens group is arranged between the white light source and the dichroic mirror.
3. An endoscope cold light source special lighting device according to claim 1, characterized in that: a converging lens is arranged between the red light source and the dichroic mirror.
4. An endoscope cold light source special lighting device according to claim 1, characterized in that: and a focusing lens group is arranged between the light guide fiber and the dichroic mirror.
5. An endoscope cold light source special lighting device according to claim 4, wherein: the emergent light axis of the white light source is focused by the focusing lens group to form a focus spot, the diameter of the focus spot is 5mm, and the light inlet of the light guide fiber is correspondingly arranged with the focus spot.
6. An endoscope cold light source special lighting device according to claim 1, characterized in that: the numerical aperture of the light guide fiber was 0.64, and the maximum effective light receiving angle of the light guide fiber was 83 degrees.
7. An endoscope cold light source special lighting device according to claim 1, characterized in that: the dichroic mirror reflects an incident optical axis of the white light source, and the dichroic mirror transmits the incident optical axis of the red light source; the reflection wavelength range of the dichroic mirror is 300-635nm, and the transmission range of the dichroic mirror is 650-800nm.
8. An endoscope cold light source special lighting device according to claim 1, characterized in that: the white light source and the red light source are both provided with a radiator and a fan for cooling.
9. An endoscope cold light source special lighting device according to claim 1, characterized in that: the dichroic mirror is configured with a base for fixing a mounting angle, and is detachably and fixedly mounted on the base.
10. An endoscope cold light source special lighting device according to claim 1, characterized in that: the red light source can be replaced by light sources with other colors or wavelengths according to the use requirement; the dichroic mirror has various specifications, and the dichroic mirrors with different specifications are plated with different transflective film layers according to the wavelength difference of the light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223139620.2U CN219070226U (en) | 2022-11-25 | 2022-11-25 | Special lighting device for endoscope cold light source |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223139620.2U CN219070226U (en) | 2022-11-25 | 2022-11-25 | Special lighting device for endoscope cold light source |
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| CN219070226U true CN219070226U (en) | 2023-05-26 |
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| CN202223139620.2U Active CN219070226U (en) | 2022-11-25 | 2022-11-25 | Special lighting device for endoscope cold light source |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116712020A (en) * | 2023-07-05 | 2023-09-08 | 苏州璞煜科技服务有限公司 | Multispectral cold light source system for medical endoscope |
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2022
- 2022-11-25 CN CN202223139620.2U patent/CN219070226U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116712020A (en) * | 2023-07-05 | 2023-09-08 | 苏州璞煜科技服务有限公司 | Multispectral cold light source system for medical endoscope |
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