CN104523214A - Narrow-band imaging endoscope device - Google Patents
Narrow-band imaging endoscope device Download PDFInfo
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- CN104523214A CN104523214A CN201410820009.7A CN201410820009A CN104523214A CN 104523214 A CN104523214 A CN 104523214A CN 201410820009 A CN201410820009 A CN 201410820009A CN 104523214 A CN104523214 A CN 104523214A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00004—Operational features of endoscopes characterised by electronic signal processing
- A61B1/00009—Operational features of endoscopes characterised by electronic signal processing of image signals during a use of endoscope
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/0661—Endoscope light sources
- A61B1/0684—Endoscope light sources using light emitting diodes [LED]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00004—Operational features of endoscopes characterised by electronic signal processing
- A61B1/00009—Operational features of endoscopes characterised by electronic signal processing of image signals during a use of endoscope
- A61B1/000094—Operational features of endoscopes characterised by electronic signal processing of image signals during a use of endoscope extracting biological structures
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00043—Operational features of endoscopes provided with output arrangements
- A61B1/00045—Display arrangement
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
- A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
- A61B1/00096—Optical elements
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00163—Optical arrangements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/0638—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements providing two or more wavelengths
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/07—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements using light-conductive means, e.g. optical fibres
Abstract
The invention discloses a narrow-band imaging endoscope device which comprises a light source structure, an endoscope structure, an image processing module, a synchronous irradiating assembly and a spectrum light splitting assembly. The light source structure irradiates at least one beam of illuminating light provided with regulated wavelength frequency bands on detected tissue. The endoscope structure photographs an image of the detected tissue irradiated by the illuminating light provided with the regulated wavelength frequency bands. The image processing module processes the image photographed by the endoscope structure. The synchronous irradiating assembly irradiates the illuminating light emitted by the light source structure on the surface of the detected tissue synchronously. The spectrum light splitting assembly splits the light reflected back by the detected tissue and then inputs the light into the image processing module. The narrow-band imaging endoscope device effectively solves the problem that due to motion of the detected tissue, a narrow-band image is distorted, the structure of the endoscope device is simplified, the reliability of the endoscope device is improved, and consumed energy is reduced.
Description
Technical field
The present invention relates to a kind of endoscope apparatus, in particular the irradiation light of one kind of multiple spectrum irradiates tested tissue with the light light splitting after tested Tissue reflectance and the Narrow-Band Imaging endoscope apparatus of simultaneously imaging simultaneously.
Background technology
Oxygenated blood Lactoferrin in blood and deoxyhemoglobin have strong effect to some specific narrow-band spectrum, and Narrow-Band Imaging endoscope utilizes this feature to achieve the effect strengthening blood-vessel image in human body mucosa.Traditional video image dendoscope uses the wideband white light source such as xenon lamp or halogen tungsten lamp as illumination light, Narrow-Band Imaging endoscope conventional at present just adds narrowband light filter after white light source, wideband white is filtered, only leave the red, green, blue color narrow-band spectrum that peak wavelength is 600nm, 540nm and 420nm, and this narrow-band spectrum is transmitted to target surface to be seen.Because the Oxygenated blood Lactoferrin in blood and deoxyhemoglobin have strong Absorption to these narrow-band spectrum, so the blood vessel observed on image is rendered as the dark pattern under bright background, improve the contrast of blood-vessel image.
Further, because the penetration depth of narrow-band spectrum in human body mucosa of different wave length is different, such as blue wave band (420nm) penetrates more shallow, the blood vessel on mucosa top layer can be shown preferably, and green light band (540nm) penetration depth is comparatively dark, the blood vessel in intermediate layer can be shown preferably.Therefore by the mode of image procossing, the image photographed can be carried out decomposing and processing according to different spectrum, obtain the image of the different mucosa degree of depth.
Narrow-Band Imaging endoscope some with blood capillary change pathological changes diagnosis and detected extraordinary effect.Such as, in middle hypopharynx early cancer, epithelium of esophagus cancer, early gastric cancer, colon early cancer etc., these diseases generally can cause lesion increased vascularization, and the structure that blood capillary is formed at mucomembranous surface will change.Narrow-Band Imaging endoscope can highlight the shape of these blood capillaries, therefore can provide strong help in the early discovery of these diseases.
The patent No. is disclose a kind of endoscope apparatus in the patent of CN103501683A, and this device utilizes the filter disc of a high speed rotating to filter to xenon source.Filter disc is circumferentially provided with the narrow band pass filter of 3 kinds of different spectrum segments, in the white light that xenon lamp the sends same time, can only one of them narrow band pass filter be passed through.Because filter disc ceaselessly rotates, so the light that xenon lamp sends is filtered by 3 kinds of narrow band pass filters successively, the narrow-band spectrum sequence forming a timing is irradiated to detected tissue surface.Then by the reflected light image of endoscopic imaging system shooting tissue, then through the decomposition of spectral hand and process, the final arrowband image obtaining tissue.Current Narrow-Band Imaging endoscopic system, great majority are based on above-mentioned this implementation.It seems that from current applicable cases this Narrow-Band Imaging endoscopic system utilizing the filter disc of high power xenon lamp and high speed rotating to combine has some deficiency following:
1, capacity usage ratio is low, and what xenon lamp sent is wideband white, after narrow band pass filter, only leads to interior part at narrow band pass filter band and is utilized, and is ensure that arrowband image has enough brightness, needs xenon lamp to have very high power.
2, image processing algorithm is complicated, current arrowband endoscope, and the narrow band light of different-waveband is irradiated to tested tissue surface successively chronologically, therefore needs complicated algorithm to be carried out splicing and processing by the image photographed.
3, to the motion sensitive of target, the narrow band light due to different-waveband is irradiated to tested tissue surface successively chronologically, if target has displacement in shooting process, the position that the narrow band light of different-waveband is irradiated to will change, and causes arrowband image fault.
4, complex structure, poor reliability, current arrowband endoscope structure comprises the mechanism of multiple high-speed motion, complicated integral structure, poor reliability.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The object of the present invention is to provide a kind of Narrow-Band Imaging endoscope apparatus, be intended to solve complicated, high to the target travel sensitivity technical problem of arrowband of the prior art endoscope structure image processing algorithm.
Technical scheme of the present invention is as follows: a kind of Narrow-Band Imaging endoscope apparatus, comprises
Light-source structure, has at least more than one illumination light of the wavelength band of regulation to tested irradiated tissue;
Endoscope structure, takes the image under the tested illumination being organized in the wavelength band with regulation;
Image processing module, endoscope structure is taken the image obtained and is processed;
Display module, shows treated image;
Wherein,
Also comprise synchronous illumination module, the illumination light sent by light-source structure is irradiated to tested tissue surface simultaneously;
Also comprise spectrum assembly, the while of after the light light splitting of being returned by tested Tissue reflectance in input picture processing module.
Described Narrow-Band Imaging endoscope apparatus, wherein, described synchronous illumination module comprises at least one beam splitter, or described synchronous illumination module is light-combining prism.
Described Narrow-Band Imaging endoscope apparatus, wherein, described spectrum assembly comprises at least one beam splitter, or described spectrum assembly is Baeyer optical filter.
Described Narrow-Band Imaging endoscope apparatus, wherein, described beam splitter comprises dichroic mirror.
Described Narrow-Band Imaging endoscope apparatus, wherein, described light-source structure comprises at least one LED light source.
Described Narrow-Band Imaging endoscope apparatus, wherein, described light-source structure comprises the narrow-band light source providing narrow-band spectrum and the wideband light source providing broadband spectral, and described narrow-band light source comprises provides the blue-ray LED of narrow-band blue light, provide the green light LED of arrowband green glow and provide narrow red shade red-light LED; Described wideband light source comprises the white light LEDs providing wideband white.
Described Narrow-Band Imaging endoscope apparatus, wherein, the centre wavelength of described blue-ray LED is 420nm, and the centre wavelength of described green light LED is 540nm, and the centre wavelength of described red-light LED is 600nm.
Described Narrow-Band Imaging endoscope apparatus, wherein, described light-source structure also comprises the flexible mirror of adjustable angle, the spectrum of the tested tissue of described flexible mirror activity adjustment Selective irradiation.
Described Narrow-Band Imaging endoscope apparatus, wherein, described image processing module comprises at least one ccd image sensor.
Described Narrow-Band Imaging endoscope apparatus, wherein, described endoscope structure is connected with coupled fiber, and the illumination light that light-source structure sends by described coupled fiber is transferred in endoscope structure.
Beneficial effect of the present invention: the present invention is by arranging synchronous illumination module and spectrum assembly, the visible ray that light-source structure is sent can be irradiated in tested tissue simultaneously, can enter in image processing module through the light of tested Tissue reflectance simultaneously and process, effectively overcome the arrowband image distortion problems that tested histokinesis causes on the one hand, also simplify the structure of endoscope apparatus on the other hand, improve its reliability, reduce its power consumption.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of Narrow-Band Imaging endoscope apparatus of the present invention.
Fig. 2 is the structure diagram of spectrum assembly.
Fig. 3 is the structure diagram that light-combining prism and narrow-band light source are arranged.
In accompanying drawing, 100 light-source structures, 110 blue-ray LEDs, 120 green light LEDs, 130 red-light LEDs, 140 white light LEDs, 151 first dichroic mirrors, 152 second dichroic mirrors, 153 light-combining prisms, 160 flexible mirrors, 170 collecting lenses, 200 endoscope structures, 300 image processing modules, 400 display modules, 500 coupled fibers, 600 spectrum assemblies, 610 the 3rd dichroic mirrors, 620 the 4th dichroic mirrors, 630 prism arrangement, 700CCD image sensor module, 710 first ccd image sensors, 720 second ccd image sensors, 730 the 3rd ccd image sensors.
Detailed description of the invention
For making object of the present invention, technical scheme and advantage clearly, clearly, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.
The invention discloses a kind of Narrow-Band Imaging endoscope apparatus, the irradiation light of multiple spectrum can be irradiated tested tissue and to the light light splitting after tested Tissue reflectance and simultaneously imaging simultaneously.As shown in Figure 1, Narrow-Band Imaging endoscope apparatus of the present invention comprises light-source structure 100, and this light-source structure 100 has the illumination light of the wavelength band of regulation to tested irradiated tissue; Endoscope structure 200, this endoscope structure 200 is taken the image under the tested illumination being organized in the wavelength band with regulation; Image processing module 300, this image processing module 300 endoscope structure 200 is taken the image obtained and is processed; Display module 400, this display module 400 shows treated image.Endoscope structure 200 inserts in (human or animal) body, the light that light-source structure 100 sends enters in (human or animal) body by endoscope structure 200, irradiate tested tissue, the reflected light of tested tissue is received imaging through endoscope structure 200 by ccd image sensor module 700, store the image in image processing module 300 again, image processing module 300 pairs of figures process, synthesize, and show in display module 400.
As shown in Figure 1, light-source structure 100 comprises the narrow-band light source providing narrow-band spectrum and the wideband light source providing broadband spectral, narrow-band light source comprises to be provided the blue-ray LED 110 of narrow-band blue light, provide the green light LED 120 of arrowband green glow and provides narrow red shade red-light LED 130, wideband light source comprises the white light LEDs 140 providing wideband white, each light source correspondence arranges a collecting lens 170 simultaneously, carries out optically focused to the light that each light source sends.It is high that LED light source itself has luminous efficiency, the feature that luminescent spectrum is narrow, is very suitable for Narrow-Band Imaging, and the light that LED light source sends can be utilized substantially completely, improves the utilization rate of light energy.In a preferred embodiment, the centre wavelength of blue-ray LED 110 is 420nm, and the centre wavelength of green light LED 120 is 540nm, and the centre wavelength of red-light LED 130 is 600nm.Certainly, the present invention does not limit the centre wavelength of narrow-band light source, and the centre wavelength of narrow-band light source needs to select according to the specific response of tested tissue to light.In the present invention, narrow-band light source is preferably its centre wavelength and is positioned near the absorption peak of blood Oxygenated blood Lactoferrin and deoxyhemoglobin.
Further, in order to above-mentioned multiple narrow-band light source are irradiated to tested tissue surface simultaneously, light-source structure 100 is also provided with synchronous illumination module, and this synchronous illumination module comprises the first dichroic mirror 151 and the second dichroic mirror 152.The setting position of two dichroic mirrors and each narrow-band light source as shown in Figure 1, two pieces of dichroic mirrors be arranged in parallel, the both sides minute surface of each block dichroic mirror irradiates by two kinds of different light respectively simultaneously, and the light that dichroic mirror exports (reflection or transmission) comprises these two kinds different light simultaneously.The effect of the first dichroic mirror carries out transmission to wavelength of light lower than the light of 450nm, reflects the light of wavelength of light higher than 450nm; The effect of the second dichroic mirror carries out transmission to wavelength of light higher than the light of 580nm, reflects the light of wavelength of light lower than 580nm.Therefore, the light path of narrow-band light source is see Fig. 1, green light LED 120 and red-light LED 130 irradiate the both sides minute surface of the second dichroic mirror 152 respectively, the light of green light LED 120 is reflected, and the light of red-light LED 130 is transmitted, the the first mixing light (comprising the light of green light LED 120 and red-light LED 130) formed irradiates the both sides minute surface of the first dichroic mirror 151 respectively with the light of blue-ray LED 110, first mixing light is reflected, the light of blue-ray LED 110 is transmitted, form the second mixing light and (comprise blue-ray LED 110, the light of green light LED 120 and red-light LED 130) be transferred in endoscope structure 200 by coupled fiber 500, tested tissue is irradiated.By this implementation, ensure that each narrow-band light source only simultaneously according to in identical tested tissue, overcome tested movement of tissue completely and cause each narrow-band light source point of irradiation inconsistent and the distortion difficult problem caused.
Certainly, the present invention does not limit the quantity of dichroic mirror, can rationally arrange final realization by polylith dichroic mirror in practical application is irradiated in tested tissue by the light of multiple narrow-band light source simultaneously, the quantity of the dichroic mirror that the detailed description of the invention but in Fig. 1 adopts is few (quantity few 1 of the number ratio narrow-band light source of dichroic mirror), it is simple that structure is set, is more easy to realize.The present invention does not limit the quantity of narrow-band light source, in practical application, two narrow-band light source, three narrow-band light source (embodiment namely in Fig. 1) or four narrow-band light source can be adopted, corresponding, the quantity of dichroic mirror also needs to select according to the quantity of narrow-band light source.
In practical application, except dichroic mirror, also can adopt other Dichroic Optical Elements or close optical element and realize the light of multiple narrow-band light source to be irradiated in tested tissue simultaneously, such as, in another preferred embodiment, as shown in Figure 3, can be realized by a light-combining prism 153, three narrow-band light source are placed in three sides of light-combining prism 153 respectively, irradiate light-combining prism 153 simultaneously, after light-combining prism 153 closes light, output packet is containing the light of three narrow-band spectrum.
In practical application, as shown in Figure 1, one piece of flexible mirror 160 can be set, realize selecting narrow-band light source or wideband white.This flexible mirror 160 can 45 ° of rotations, when it turns to the position of dotted line in Fig. 1, can realize stopping the light of narrow-band light source, reflect wideband white.
In order to the light realizing tested Tissue reflectance to return carry out light splitting after process in input picture processing module simultaneously, Narrow-Band Imaging endoscope apparatus of the present invention also comprises spectrum assembly 600.As shown in Figure 2, spectrum assembly 600 comprises the 3rd dichroic mirror 610, the 4th dichroic mirror 620, prism arrangement 630, the effect of the 3rd dichroic mirror 610 carries out transmission to wavelength of light lower than the light of 580nm, the light of wavelength of light higher than 580nm is reflected, the effect of the 4th dichroic mirror 620 carries out transmission to wavelength of light lower than the light of 450nm, reflects the light of wavelength of light higher than 450nm.In this detailed description of the invention, ccd image sensor arranges three, is respectively the first ccd image sensor 710, second ccd image sensor 720 and the 3rd ccd image sensor 730 (quantity of ccd image sensor is corresponding with needing the quantity of received narrow-band spectrum).The operation principle of spectrum assembly 600 is as follows: comprise arrowband HONGGUANG (centre wavelength is 600nm), arrowband green glow (centre wavelength is 540nm), enter in spectrum assembly 600 with the mixed light through tested Tissue reflectance of narrow-band blue light (centre wavelength is 420nm), through the 3rd dichroic mirror 610, arrowband HONGGUANG is reflected, the first ccd image sensor 710 imaging is entered again through prism arrangement 630 reflection, arrowband green glow and narrow-band blue light transmit from the 3rd dichroic mirror 610, through the 4th dichroic mirror 620, arrowband green glow is reflected by the 4th dichroic mirror 620, the second ccd image sensor 720 imaging is entered again through prism arrangement 630 reflection, and narrow-band blue light transmits from the 4th dichroic mirror 620, enter the 3rd ccd image sensor 730 imaging (its concrete light path as shown in Figure 2).By above-mentioned set-up mode, achieve after the light of returning through tested Tissue reflectance is carried out spectral, enter imaging in the ccd image sensor of each correspondence to store simultaneously, improve the accuracy of this device, greatly reduce the complexity of image processing module algorithm simultaneously, be conducive to the efficiency improving imaging, reduce its distortion factor and error rate.
Certainly, in practical application, also the combinative structure of the dichroic mirror in the combination replacement spectrum assembly 600 of other optical elements and imageing sensor, prism arrangement and three ccd image sensors can be adopted, such as another one preferred embodiment in, the combination of Baeyer optical filter and a ccd image sensor can be adopted to realize the imaging simultaneously of three kinds of narrow band light.
Narrow-Band Imaging endoscope apparatus specific works process in Fig. 1 is as follows: doctor selects to carry out wideband white or narrow-band illumination according to the state of an illness of patient; If doctor selects narrow-band illumination, then control circuit sends control signal to drive circuit, makes flexible mirror 160 move to position A, and makes blue-ray LED 110, green light LED 120, red-light LED 130 simultaneously luminous, and white light LEDs 140 suspends luminescence.Each arrowband light, after synchronous illumination module, forms mixing light and is coupled into coupled fiber 500, and by coupled fiber 500 and endoscope structure 200, be irradiated in tested tissue.Endoscope structure 200 is collected in the light that tested tissue reflects, and is transferred in spectrum assembly 600.The narrowband reflection light of correspondence according to different spectrum segment light splitting, and enters in corresponding ccd image sensor by the arrowband light that tested tissue reflects by spectrum assembly 600.Wherein, the narrow-band blue light of tested tissue surface reflection enters the 3rd ccd image sensor 730 after spectrum assembly 600, due to narrow-band blue light, to enter tested tissue depth more shallow, thus in the 3rd ccd image sensor 730 become image to be the blood-vessel image of tested tissue surface; The arrowband green glow of tested tissue surface reflection enters the second ccd image sensor 720 after spectrum assembly 600, due to arrowband green glow, to enter tested tissue depth comparatively dark, thus in the second ccd image sensor 720 become image to be the tested blood-vessel image organizing intermediate layer; The arrowband HONGGUANG of tested tissue surface reflection enters the first ccd image sensor 710 after spectrum assembly 600, enter tested tissue depth because arrowband is red the darkest, thus in the first ccd image sensor 710 become image to be the tested blood-vessel image organizing lower floor.Image processing module 300, by these three groups of Images uniting, obtains the tissue image of the different depth of tested tissue under narrow-band illumination and is shown by display module 400.If doctor selects wideband white illumination light, then control circuit sends control signal to drive circuit, flexible mirror 160 is made to move to position B, and make blue-ray LED 110, green light LED 120, red-light LED 130 suspend luminescence, white light LEDs 140 is luminous, make wideband white illuminating ray be coupled into coupled fiber 500, now, Narrow-Band Imaging endoscope apparatus can be shot and the same with conventional white light endoscope organize picture.
The present invention utilizes three narrow-band LED light sources to irradiate tested tissue in conjunction with synchronous illumination module simultaneously, use spectrum device, the narrow band light reflected at tested tissue to be entered respectively in three ccd image sensors imaging simultaneously, overcome the shortcoming that the different narrow band light imaging chronologically of traditional narrow endoscope causes target travel sensitivity.The algorithm that image processing module of the present invention adopts is simple, and efficiency is high, and composograph precision is high, and the distortion factor is little.Apparatus structure of the present invention is simple, and do not have high-speed moving part, reliability is high.LED light source energy consumption of the present invention is low, and energy utilization efficiency is high.
Originally should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (10)
1. a Narrow-Band Imaging endoscope apparatus, comprises
Light-source structure, has at least more than one illumination light of the wavelength band of regulation to tested irradiated tissue;
Endoscope structure, takes the image under the tested illumination being organized in the wavelength band with regulation;
Image processing module, endoscope structure is taken the image obtained and is processed;
It is characterized in that,
Also comprise synchronous illumination module, the illumination light sent by light-source structure is irradiated to tested tissue surface simultaneously;
Also comprise spectrum assembly, the while of after the light light splitting of being returned by tested Tissue reflectance in input picture processing module.
2. Narrow-Band Imaging endoscope apparatus according to claim 1, is characterized in that, described synchronous illumination module comprises at least one beam splitter, or described synchronous illumination module is light-combining prism.
3. Narrow-Band Imaging endoscope apparatus according to claim 1, is characterized in that, described spectrum assembly comprises at least one beam splitter, or described spectrum assembly is Baeyer optical filter.
4. the Narrow-Band Imaging endoscope apparatus according to Claims 2 or 3, is characterized in that, described beam splitter comprises dichroic mirror.
5. Narrow-Band Imaging endoscope apparatus according to claim 1, is characterized in that, described light-source structure comprises at least one LED light source.
6. Narrow-Band Imaging endoscope apparatus according to claim 5, it is characterized in that, described light-source structure comprises the narrow-band light source providing narrow-band spectrum and the wideband light source providing broadband spectral, and described narrow-band light source comprises provides the blue-ray LED of narrow-band blue light, provide the green light LED of arrowband green glow and provide narrow red shade red-light LED; Described wideband light source comprises the white light LEDs providing wideband white.
7. Narrow-Band Imaging endoscope apparatus according to claim 6, is characterized in that, the centre wavelength of described blue-ray LED is 420nm, and the centre wavelength of described green light LED is 540nm, and the centre wavelength of described red-light LED is 600nm.
8. Narrow-Band Imaging endoscope apparatus according to claim 6, is characterized in that, described light-source structure also comprises the flexible mirror of adjustable angle, the spectrum of the tested tissue of described flexible mirror activity adjustment Selective irradiation.
9. Narrow-Band Imaging endoscope apparatus according to claim 1, is characterized in that, described image processing module comprises at least one ccd image sensor.
10. Narrow-Band Imaging endoscope apparatus according to claim 1, is characterized in that, described endoscope structure is connected with coupled fiber, and the illumination light that light-source structure sends by described coupled fiber is transferred in endoscope structure.
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| CN106308751A (en) * | 2016-08-23 | 2017-01-11 | 江苏鹰利视医疗器械有限公司 | Device for achieving narrow-band or broad-band spectrum combined lighting and method thereof |
| CN107149461A (en) * | 2017-04-26 | 2017-09-12 | 上海成运医疗器械股份有限公司 | The LED/light source and means of illumination of illumination are dyed for Medical endoscope spectrum |
| CN107456202A (en) * | 2017-10-01 | 2017-12-12 | 凝辉(天津)科技有限责任公司 | A kind of nonlinear optics flexible endoscope imaging device |
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| CN107837064A (en) * | 2017-11-02 | 2018-03-27 | 北京华信佳音医疗科技发展有限责任公司 | A kind of endoscope arrowband cold light source device |
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| CN109381153A (en) * | 2018-09-28 | 2019-02-26 | 北京凡星光电医疗设备股份有限公司 | A kind of endoscope image pick-up device |
| CN109452922A (en) * | 2018-12-17 | 2019-03-12 | 深圳开立生物医疗科技股份有限公司 | A kind of endoscope and its light supply apparatus |
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