CN103431833A - Medical multiband narrow band imaging system - Google Patents
Medical multiband narrow band imaging system Download PDFInfo
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- CN103431833A CN103431833A CN2013101982281A CN201310198228A CN103431833A CN 103431833 A CN103431833 A CN 103431833A CN 2013101982281 A CN2013101982281 A CN 2013101982281A CN 201310198228 A CN201310198228 A CN 201310198228A CN 103431833 A CN103431833 A CN 103431833A
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Abstract
The invention discloses a medical multiband narrow band imaging system, which comprises a first driving unit LED (Light-Emitting Diode), a second driving unit LED and a third driving unit LED for high-power narrow band light of different wavebands, wherein the first driving unit LED is provided with a first radiating fan and a first radiator; the second driving unit LED is provided with a second radiating fan and a second radiator; the third driving unit LED is provided with a third radiating fan and a third radiator; light rays emitted by the first driving unit LED, the second riving unit LED and the third driving unit LED pass through a collimating mirror unit, a light-combining prism, a polarization prism and a convergence mirror unit in sequence. According to the technical scheme of the invention, high energy utilization ratio is achieved; the medical multiband narrow band imaging system is simple in structure, and has high reliability; the electromagnetic compatibility difficulty is low; an image processing algorithm is easy.
Description
Technical field
The present invention relates to a kind of medical multiband Narrow-Band Imaging system.
Background technology
Existing medical endoscope Narrow-Band Imaging system, its narrow band light illumination component is that high power xenon lamp adds the combination of the narrow-band filter dish of rotation at a high speed, and the image acquisition passage only has one, adopt single camera to be gathered, finally by image processing algorithm, realize cutting apart, merge and showing of different-waveband narrow band light image.From actual applicable cases, the illumination of this arrowband and imaging arrangement exist following some deficiency:
(1) capacity usage ratio is low.Narrow-band filter has filtered most energy of xenon source, has only utilized the logical interior light energy of filter plate band.
(2) complex structure, poor reliability.The high speed switching of the narrow-band filter of different-waveband needs the complicated switching detent mechanism of design, poor reliability.
(3) the electromagnetic compatibility difficulty is large.The high pressure that xenon lamp starts moment may cause larger electromagnetic interference to the indoor miscellaneous equipment of performing the operation.
(4) image processing algorithm complexity.Owing to only thering is an imaging band, so the narrow band light image of different-waveband need to be worked out complicated image processing algorithm, to Image Segmentation Using and merging, and avoid crosstalking between the narrow band light image of different-waveband.
Summary of the invention
For overcoming deficiency of the prior art, the invention provides a kind of medical multiband Narrow-Band Imaging system.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the present invention is achieved through the following technical solutions:
A kind of medical multiband Narrow-Band Imaging system, high-power arrowband light the first driving group LED that comprises different-waveband, the second driving group LED and the 3rd driving group LED, described the first driving group LED is provided with the first radiator fan and the first radiator, described the second driving group LED is provided with the second radiator fan and the second radiator, described the 3rd driving group LED is provided with the 3rd radiator fan and the 3rd radiator, described the first driving group LED, the light that the second driving group LED and the 3rd driving group LED send passes through the collimating mirror group successively, light-combining prism, polarizing prism and condenser lens group.
Further, the high-power arrowband light first driving group LED of described different-waveband, the second driving group LED and the 3rd driving group LED be as lighting source, is respectively the trichroism and wave band of red, green, blue and is followed successively by 605nm, 540nm, 415nm.
Further, described the first driving group LED, the second driving group LED and the 3rd driving group LED send instruction by the display process terminal to light respectively in a certain order to the driving of Drive and Control Circuit.
Further, described system is provided with tissue, the reflected light of described tissue deflects after described condenser lens group and described polarizing prism, and be HONGGUANG transmission and blue green light reflection in the first dichroic mirror place generation color separation, described red transmission light images on the target surface of first camera after the first imaging lens group; Color separation occurs at the second dichroic mirror place described bluish-green transillumination is blue light transmission and green glow reflection, and described green reflected light images on the target surface of second camera after the second imaging lens group; Total reflection occurs in described blue transmission light at the illuminator place, after the 3rd imaging lens group, image on the target surface of third phase machine.
Further, described first camera, described second camera and described third phase machine are all powered by system power supply simultaneously, make described three cameras in the continuous acquisition state, described three combination in any that camera is CCD and COMS, and the technical specification of described three cameras is as identical as imaging pattern, target surface size, pixel count etc.
Further, described first camera, the organizational information that described second camera and described third phase machine collect, after opto-electronic conversion, will be processed and be shown due to the described display process terminal that described three cameras are connected.
Compared with prior art, the present invention has following beneficial effect:
1, capacity usage ratio is high.The narrow band light characteristics of luminescence of utilizing LED self to possess, effectively overcome the low shortcoming of capacity usage ratio of using the narrow-band filter dish to bring.
2, simple in structure, reliability is high.System realizes the switching of different-waveband narrow band light by control circuit, do not need to use the parts of any high-speed motion, and simple in structure, reliability is high.
3, the electromagnetic compatibility difficulty is low.LED is the DC low-voltage driving element, when its startup or work, can not produce electromagnetic interference to peripheral element and equipment.
4, image processing algorithm is simple.The system imaging end is used three imaging bands, and the color separation characteristic of utilizing dichroic mirror to possess realized cutting apart and imaging of the trichroism entrained organizational information of red, green, blue, thereby image processing algorithm is simple and the anti-ability of crosstalking is strong.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of description, below with preferred embodiment of the present invention and coordinate accompanying drawing to be described in detail as follows.The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
The accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention the present invention does not form inappropriate limitation of the present invention for explaining.In the accompanying drawings:
The structural representation that Fig. 1 is medical multiband Narrow-Band Imaging system of the present invention.
Number in the figure explanation: 101, the first radiator fan, 102, the second radiator fan, 103, the 3rd radiator fan, 201, the first radiator, 202, the second radiator, 203, the 3rd radiator, 3, the first driving group LED, 4, the collimating mirror group, 5, the second driving group LED, 6, light-combining prism, 7, polarizing prism, 8, the condenser lens group, 9, the first dichroic mirror, 10, the second dichroic mirror, 11, illuminator, 1201, the first imaging lens group, 1202, the second imaging lens group, 1203, the 3rd imaging lens group, 13, first camera, 14, second camera, 15, the third phase machine, 16, the 3rd driving group LED, 17, the display process terminal, 18, system power supply, 19, Drive and Control Circuit, 20, tissue.
The specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
Shown in Fig. 1, a kind of medical multiband Narrow-Band Imaging system, high-power arrowband light the first driving group LED3 that comprises different-waveband, the second driving group LED5 and the 3rd driving group LED16, described the first driving group LED3 is provided with the first radiator fan 101 and the first radiator 201, described the second driving group LED5 is provided with the second radiator fan 102 and the second radiator 202, described the 3rd driving group LED16 is provided with the 3rd radiator fan 103 and the 3rd radiator 203, described the first driving group LED3, the light that the second driving group LED5 and the 3rd driving group LED16 send passes through collimating mirror group 4 successively, light-combining prism 6, polarizing prism 7 and condenser lens group 8.
Further, the high-power arrowband light first driving group LED3 of described different-waveband, the second driving group LED5 and the 3rd driving group LED16 be as lighting source, is respectively the trichroism and wave band of red, green, blue and is followed successively by 605nm, 540nm, 415nm.
Further, described the first driving group LED3, the second driving group LED5 and the 3rd driving group LED16 send instruction by display process terminal 17 to light respectively in a certain order to the driving of Drive and Control Circuit 19.
Further, described system is provided with tissue 20, the reflected light of described tissue 20 deflects after described condenser lens group 8 and described polarizing prism 7, and be HONGGUANG transmission and blue green light reflection in first dichroic mirror 9 places' generation color separations, described red transmission light images on the target surface of first camera 13 after the first imaging lens group 1201; Described bluish-green transillumination, at the second dichroic mirror 10 places, color separation occurs is blue light transmission and green glow reflection, and described green reflected light images on the target surface of second camera 14 after the second imaging lens group 1202; Total reflection occurs at illuminator 11 places in described blue transmission light, after the 3rd imaging lens group 1203, images on the target surface of third phase machine 15.
Further, described first camera 13, described second camera 14 and described third phase machine 15 are all powered by system power supply 18 simultaneously, make described three cameras in the continuous acquisition state, described three combination in any that camera is CCD and COMS, and the technical specification of described three cameras is as identical as imaging pattern, target surface size, pixel count etc.
Further, described first camera 13, the organizational information that described second camera 14 and described third phase machine 15 collect, after opto-electronic conversion, will be processed and be shown due to the described display process terminal 17 that described three cameras are connected.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. a medical multiband Narrow-Band Imaging system, high-power arrowband light the first driving group LED(3 that comprises different-waveband), the second driving group LED(5) and the 3rd driving group LED(16), it is characterized in that, described the first driving group LED(3) be provided with the first radiator fan (101) and the first radiator (201), described the second driving group LED(5) be provided with the second radiator fan (102) and the second radiator (202), described the 3rd driving group LED(16) be provided with the 3rd radiator fan (103) and the 3rd radiator (203), described the first driving group LED(3), the second driving group LED(5) and the 3rd driving group LED(16) light that sends passes through collimating mirror group (4) successively, light-combining prism (6), polarizing prism (7) and condenser lens group (8).
2. medical multiband Narrow-Band Imaging system according to claim 1, it is characterized in that, the high-power arrowband light first driving group LED(3 of described different-waveband), the second driving group LED(5) and the 3rd driving group LED(16) as lighting source, be respectively the trichroism and wave band of red, green, blue and be followed successively by 605nm, 540nm, 415nm.
3. medical multiband Narrow-Band Imaging system according to claim 1, it is characterized in that, described the first driving group LED(3), the second driving group LED(5) and the 3rd driving group LED(16) be to send instruction by display process terminal (17) to light respectively in a certain order to the driving of Drive and Control Circuit (19).
4. medical multiband Narrow-Band Imaging system according to claim 1, it is characterized in that, described system is provided with tissue (20), the reflected light of described tissue (20) deflects after described condenser lens group (8) and described polarizing prism (7), and to locate to occur color separation at the first dichroic mirror (9) be the reflection of HONGGUANG transmission and blue green light, described red transmission light images on the target surface of first camera (13) after the first imaging lens group (1201); It is blue light transmission and green glow reflection that described bluish-green transillumination locates to occur color separation at the second dichroic mirror (10), and described green reflected light images on the target surface of second camera (14) after the second imaging lens group (1202); Described blue transmission light locates to occur total reflection at illuminator (11), after the 3rd imaging lens group (1203), images on the target surface of third phase machine (15).
5. medical multiband Narrow-Band Imaging system according to claim 4, it is characterized in that, described first camera (13), described second camera (14) and described third phase machine (15) are all powered by system power supply (18) simultaneously, make described three cameras in the continuous acquisition state, described three combination in any that camera is CCD and COMS, and the technical specification of described three cameras is as identical as imaging pattern, target surface size, pixel count etc.
6. medical multiband Narrow-Band Imaging system according to claim 4, it is characterized in that, described first camera (13), the organizational information that described second camera (14) and described third phase machine (15) collect, after opto-electronic conversion, will be processed and be shown due to the described display process terminal (17) that described three cameras are connected.
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| CN2013101982281A CN103431833A (en) | 2013-05-24 | 2013-05-24 | Medical multiband narrow band imaging system |
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| CN2013101982281A CN103431833A (en) | 2013-05-24 | 2013-05-24 | Medical multiband narrow band imaging system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104523214A (en) * | 2014-12-19 | 2015-04-22 | 佛山市南海区欧谱曼迪科技有限责任公司 | Narrow-band imaging endoscope device |
| CN105748029A (en) * | 2016-02-18 | 2016-07-13 | 深圳开立生物医疗科技股份有限公司 | Imaging system of endoscope |
| CN109068968A (en) * | 2016-09-16 | 2018-12-21 | 奥林巴斯株式会社 | Light source device for endoscope |
| WO2020188722A1 (en) * | 2019-03-18 | 2020-09-24 | オリンパス株式会社 | Endoscope light source sub-system |
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| CN203468567U (en) * | 2013-05-24 | 2014-03-12 | 中国科学院苏州生物医学工程技术研究所 | Medical multiband narrow band imaging system |
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| JPS63144661A (en) * | 1986-12-06 | 1988-06-16 | Dainippon Printing Co Ltd | Recorder for laser microscope magnified image |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104523214A (en) * | 2014-12-19 | 2015-04-22 | 佛山市南海区欧谱曼迪科技有限责任公司 | Narrow-band imaging endoscope device |
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| CN109068968A (en) * | 2016-09-16 | 2018-12-21 | 奥林巴斯株式会社 | Light source device for endoscope |
| CN109068968B (en) * | 2016-09-16 | 2021-02-05 | 奥林巴斯株式会社 | Light source device for endoscope |
| WO2020188722A1 (en) * | 2019-03-18 | 2020-09-24 | オリンパス株式会社 | Endoscope light source sub-system |
| JPWO2020188722A1 (en) * | 2019-03-18 | 2020-09-24 | ||
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| JP7150139B2 (en) | 2019-03-18 | 2022-10-07 | オリンパス株式会社 | Light source and endoscope system |
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Application publication date: 20131211 |