CN105852784A - Multi-spectral medical endoscope lens and system - Google Patents
Multi-spectral medical endoscope lens and system Download PDFInfo
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- CN105852784A CN105852784A CN201610257136.XA CN201610257136A CN105852784A CN 105852784 A CN105852784 A CN 105852784A CN 201610257136 A CN201610257136 A CN 201610257136A CN 105852784 A CN105852784 A CN 105852784A
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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
- A61B1/00131—Accessories for endoscopes
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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
- A61B1/04—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 combined with photographic or television appliances
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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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0075—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence by spectroscopy, i.e. measuring spectra, e.g. Raman spectroscopy, infrared absorption spectroscopy
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- Health & Medical Sciences (AREA)
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- Heart & Thoracic Surgery (AREA)
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- Animal Behavior & Ethology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
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- Signal Processing (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Endoscopes (AREA)
Abstract
The invention discloses a multi-spectral medical endoscope lens and system. The lens comprises four micro lenses, wherein narrow bandpass filters are integrated below the micro lenses and comprise a red filter, a blue filter, a green filter and a visible light cutoff filter, light barrier layers are arranged on the peripheries of the micro lenses and the narrow bandpass filters and used for blocking stray light from incidence, and light isolation layers are arranged at the rear ends of the micro lenses and used for preventing signal harassing among the micro lenses. The system comprises an imaging unit and a displaying unit which are connected, so that multiband images can be acquired simultaneously, and a medical worker can accurately judge the disease position by comparing images under different wave bands; through improvement of the lenses and a light source, images under four bands from visible light to near infrared light can be captured in parallel; the multi-spectral micro lenses are simple in structure and highly integrated and can be easily combined with a small-size endoscope.
Description
Technical field
The present invention relates to technical field of medical instruments, be specifically related to a kind of multispectral medical endoscope camera lens and system.
Background technology
As it is shown in figure 1, medical endoscope system mainly by endoscope 1, in peep coupler 2, image-generating unit 3,
Cable 4, camera control unit 5, display unit 6 form.
Wherein endoscope is made up of bendable portion, light source and one group of camera lens.Through the natural hole of human body, or
It is that the little otch that underwent operative is done enters in human body.During use, endoscope is imported the organ of preliminary examination, can be direct
Spy on the change about position.Endoscopic imaging principles is that incoming light guide bundles, at leaded light by the light of cold light source
The head end (the first end of scope) of bundle is equipped with concavees lens, and the incoming light of light guide bundles, by concavees lens, is irradiated in
On organ surface, these light being irradiated to organ surface are i.e. reflected, and these reflect light i.e. imaging light.This
A little reflection light reflect through a series of optical imaging system again, just can observe on endoscope tip eyepiece
The image of detection site.Endoscope rifle structure is as shown in Figure 2.
But, endoscope tip eyepiece is observed image is to launch light source to reflect undressed original
Image, sometimes these images can not highlight the information of human internal organs most worthy.Such as, secreting
Urine surgery in, be covered with capillary inside bladder, cancerous region because of transport nutrient need vascular distribution more
Crypto set.Only becoming apparent from of just can manifesting of the image under some specific wavelength at this, and in common white
The image of optical band is then difficult to reflect.Therefore, if many spectrum imaging systems are combined with medical endoscope,
By being analyzed different wave length image, thus can obtain more image information, this is to helping doctor
Life determines that suspicious lesions region, the particularly early diagnosis to relevant disease have important value.
Existing multispectral endoscope way is to change light-source structure, such as patent " a kind of multispectral combination output
Light supply apparatus and endoscope apparatus " (patent No. CN201310590870.4) propose a kind of multispectral combination
Output light source device and endoscope apparatus, by dichronic mirror and narrow-band-filter as light source before, namely by changing
The mode becoming incident ray wave band obtains multi-band image, but the endoscope of this mode also can only be according to choosing
The optical filter selected is different, once can only observe the image of a wave band, operation inconvenience, different-waveband image it
Between can not be contrasted, it is difficult to provide effective image information to carry out diagnosis and treatment judgement to medical personnel.
Traditional endoscope is single-lens structure, can only obtain the image of a wave band during IMAQ, acquisition
Information is single.The endoscope that can obtain multispectral image at present be the operation wavelength by this change lighting source and
Realize.Will be equipped with different-waveband optical filter rotation wheel be placed in light source before, adjusted by the selection of optical filter
The wavelength of joint light source, thus obtain the image of corresponding wave band.But adopt in this way, endoscope is the most only
The image of a wave band, operation inconvenience can be obtained, can not be contrasted between different-waveband image, it is difficult to
More effective image information is provided to carry out diagnosis and treatment judgement to medical personnel.
Summary of the invention
In view of this, in order to solve above-mentioned technical problem, the present invention proposes a kind of multispectral medical endoscope camera lens
And system, multispectral microlens array camera lens is integrated in endoscope distal end, such that it is able to realize multi-band image
While obtain, medical personnel can by contrast different-waveband under image, accurately judge at sufferer.
The present invention solves the problems referred to above by techniques below means:
A kind of multispectral medical endoscope camera lens, including four lenticules, integrated narrow-band-filter below described lenticule
Sheet, described narrow band pass filter includes Red lightscreening plate, blue color filter, green color filter and visible ray
There is photoresist layer around edge filter, described lenticule and described narrow band pass filter, be used for stopping veiling glare
Incidence, there is optical confinement layer described lenticule rear end, is used for preventing signal between described lenticule from harassing.
Preferably, four lenticules are against arrangement, to save space.
A kind of multispectral medical endoscope system including above-mentioned camera lens, including image-generating unit, display unit, described
Image-generating unit is connected with described display unit；
Described image-generating unit includes described camera lens, is positioned at the cmos sensor at its rear, focus control, signal
Processing unit, described focus control is connected with described cmos sensor, described signal processing unit respectively, institute
State focus control and realize focusing by regulating the distance between described cmos sensor and described camera lens, described
Cmos sensor is for being sent to image information in described signal processing unit, and described signal processing unit is used
In processing image information；
Described display unit include work station, multispectral image analyze software, display, described work station respectively with
Described spectrum image analysis software, described display connect, and described multispectral image is analyzed software and is used for processing image,
Result being sent to described work station, and generates analysis report, described work station is used for image reconstruction,
The result of image reconstruction is sent to described display show, described display display multispectral image information.
Preferably, described image-generating unit is connected by cable with described display unit.
Further, described focus control includes controller, magnet, coil, hitch, described controller
Being connected by cable and described magnet, described coil is wrapped on described magnet, and described controller is used for regulating
Described coil current changes the magnetic force size of magnet, and described magnet drives described suspension machine under magneticaction
Structure moves along axis, reaches the purpose of focusing.
Further, described multispectral medical endoscope system also includes instrument channel, 2 light source holes, described light
Source aperture is used for outgoing full spectrum light.
Further, described full spectrum light wavelength is 400nm-1000nm.
The multispectral medical endoscope camera lens of the present invention and system have the advantages that
1), multispectral microlens array camera lens is integrated in endoscope distal end, such that it is able to realize multi-band image
While obtain, medical personnel can by contrast different-waveband under image, accurately judge at sufferer；
2), through to camera lens and the improvement of light source, visible ray can be realized parallel near infrared four band images
Catch；
3), multispectral microlens structure compact and highly integrated, be beneficial to be combined with the endoscope of small size.
Accompanying drawing explanation
Fig. 1 is the endoscopic system schematic diagram of prior art；
Fig. 2 is the endoscope rifle structural representation of prior art；
Fig. 3 is the structural representation of the multispectral medical endoscope camera lens of the present invention；
Fig. 4 is the multispectral medical endoscope camera lens front elevation of the present invention；
Fig. 5 is the structural representation of the present invention multispectral medical endoscope system；
Fig. 6 is the structural representation of the focus control of the present invention；
Fig. 7 is the present invention multispectral medical endoscope system front end structural representation.
Description of reference numerals in figure:
1, endoscope, 2, in peep coupler, 3, image-generating unit,
4, cable, 5, camera control unit, 6, display unit
Detailed description of the invention
Understandable, below in conjunction with accompanying drawing for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from
With specific embodiment, technical scheme is described in detail.It is pointed out that described
Embodiment is only a part of embodiment of the present invention rather than whole embodiments, based on the reality in the present invention
Execute example, the every other reality that those of ordinary skill in the art are obtained under not making creative work premise
Execute example, broadly fall into the scope of protection of the invention.
Endoscope is to have concentrated traditional optical, ergonomics, precision optical machinery, hyundai electronics, mathematics, soft
Parts etc. are in the detecting instrument of one.Endoscope is generally by imageing sensor, optical lens, light source, machinery dress
The composition such as put, stomach can be entered with direct oral cavity or enter internal through other natural hole.Endoscope is utilized to see
The pathology that can not show to X-ray, therefore highly useful to doctor.Such as, permissible by endoscope doctor
Observe the ulcer in stomach or tumour, make optimal therapeutic scheme accordingly.
Multispectral microlens array camera lens is integrated on endoscope by the present invention.This endoscope will have multiband figure
As parallel acquisition ability, the figure of multiple different-wavebands will can be observed within this Microendoscopic, same time
Picture.Medical personnel can contrast the image of multiple wave band simultaneously, thus obtains more valuable reference information.
It addition, this multispectral microlens structure is compact and highly integrated, it is beneficial to be combined with the endoscope of small size.
As it is shown on figure 3, a kind of multispectral medical endoscope camera lens, including four lenticules, under described lenticule
Face integrated narrow-band filter, described narrow band pass filter includes Red lightscreening plate, blue color filter, green filter
Photoresist layer is had around sheet and visible ray edge filter, described lenticule and described narrow band pass filter,
For stopping the incidence of veiling glare, there is optical confinement layer described lenticule rear end, be used for preventing described lenticule it
Between signal harass.Light, through micro lens, after narrow band pass filter filters, reaches cmos sensor, passes through
The pattern of four passages is reached processor simultaneously and processes by opto-electronic conversion.
As shown in Figure 4, it is preferable that four lenticules are against arrangement, to save space.It is light around lenticule
Barrier layer.
As it is shown in figure 5, a kind of multispectral medical endoscope system including above-mentioned camera lens, including image-generating unit, show
Show that unit, described image-generating unit are connected with described display unit；
Described image-generating unit includes described camera lens, is positioned at the cmos sensor at its rear, focus control, signal
Processing unit, described focus control is connected with described cmos sensor, described signal processing unit respectively, institute
State focus control and realize focusing by regulating the distance between described cmos sensor and described camera lens, described
Cmos sensor is for being sent to image information in described signal processing unit, and described signal processing unit is used
In processing image information；
Described display unit include work station, multispectral image analyze software, display, described work station respectively with
Described spectrum image analysis software, described display connect, and described multispectral image is analyzed software and is used for processing image,
Result being sent to described work station, and generates analysis report, described work station is used for image reconstruction,
The result of image reconstruction is sent to described display show, described display display multispectral image information.
Preferably, described image-generating unit is connected by cable with described display unit.
As shown in Figure 6, described focus control includes controller, magnet, coil, hitch, described control
Device is connected by cable and described magnet, and described coil is wrapped on described magnet, and described controller is used for adjusting
Saving described coil current to change the magnetic force size of magnet, described magnet drives described suspension under magneticaction
Mechanism moves along axis, reaches the purpose of focusing.It is pointed out that focal length is the least owing to camera lens is little,
The distance needing regulation is the shortest, so required loop construction and magnet are the most unnecessary the biggest.
As it is shown in fig. 7, described multispectral medical endoscope system also includes instrument channel, 2 light source holes, light source
Hole outgoing full spectrum light (400nm-1000nm wavelength), emergent light should accomplish that each wave band is uniform.Through to camera lens
After the improvement of light source, visible ray can be realized near infrared multi-band image parallel acquisition.
Multispectral imaging lenticule camera lens is replaced the primitiver eyepeice of conventional endoscope, the people to endoscope by the present invention
Body imaging results carries out spectral information separation and imaging.Multispectral microlens array camera lens can realize red, green,
Blue, near-infrared four wave bands imaging simultaneously, after optical filter is placed in microlens array, there is photoresist layer rear end,
For avoiding each band image the most overlapping.The medical image of each wavelength can be obtained after image processing.
By the research to image characteristics extraction algorithm, signature analysis and the comparison of each wavelength medical image can be realized,
It is expected to search out the suspicious lesions region being difficult in common white light image discover from comparing result.Such as, exist
In Urology Surgery, inside bladder, be covered with capillary, cancerous region because of transport nutrient need vascular distribution
More crypto set.But only the image under some specific wavelength is the most obvious.Therefore, by different ripples
The comparative analysis of long image can obtain more image information, and this is for helping doctor to determine suspicious lesions region,
The particularly early diagnosis to relevant disease has important value.
The multispectral medical endoscope camera lens of the present invention and system have the advantages that
1), multispectral microlens array camera lens is integrated in endoscope distal end, such that it is able to realize multi-band image
While obtain, medical personnel can by contrast different-waveband under image, accurately judge at sufferer；
2), through to camera lens and the improvement of light source, visible ray can be realized parallel near infrared four band images
Catch；
3), multispectral microlens structure compact and highly integrated, be beneficial to be combined with the endoscope of small size.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for this area
Those of ordinary skill for, without departing from the inventive concept of the premise, it is also possible to make some deformation and
Improving, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended
Claim is as the criterion.
Claims (7)
1. a multispectral medical endoscope camera lens, it is characterised in that include four lenticules, described lenticule
Integrated narrow-band filter below, described narrow band pass filter includes Red lightscreening plate, blue color filter, green filter
Photoresist layer is had around mating plate and visible ray edge filter, described lenticule and described narrow band pass filter,
For stopping the incidence of veiling glare, there is optical confinement layer described lenticule rear end, be used for preventing described lenticule it
Between signal harass.
Multispectral medical endoscope camera lens the most according to claim 1, it is characterised in that four lenticules
Against arrangement, to save space.
3. the multispectral medical endoscope system including camera lens described in claim 1 or 2, it is characterised in that
Including image-generating unit, display unit, described image-generating unit is connected with described display unit；
Described image-generating unit includes described camera lens, is positioned at the cmos sensor at its rear, focus control, signal
Processing unit, described focus control is connected with described cmos sensor, described signal processing unit respectively, institute
State focus control and realize focusing by regulating the distance between described cmos sensor and described camera lens, described
Cmos sensor is for being sent to image information in described signal processing unit, and described signal processing unit is used
In processing image information；
Described display unit include work station, multispectral image analyze software, display, described work station respectively with
Described spectrum image analysis software, described display connect, and described multispectral image is analyzed software and is used for processing image,
Result being sent to described work station, and generates analysis report, described work station is used for image reconstruction,
The result of image reconstruction is sent to described display show, described display display multispectral image information.
Multispectral medical endoscope system the most according to claim 3, it is characterised in that described imaging list
First and described display unit is connected by cable.
Multispectral medical endoscope system the most according to claim 3, it is characterised in that described focusing fills
Putting and include controller, magnet, coil, hitch, described controller is connected by cable and described magnet,
Described coil is wrapped on described magnet, and described controller is for regulating described coil current to change magnet
Magnetic force size, described magnet drives described hitch to move along axis under magneticaction, reaches focusing
Purpose.
Multispectral medical endoscope system the most according to claim 3, it is characterised in that described multispectral doctor
Also include instrument channel, 2 light source holes with endoscopic system, described light source hole is used for outgoing full spectrum light.
Multispectral medical endoscope system the most according to claim 6, it is characterised in that described full spectrum
The a length of 400nm-1000nm of light wave.
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| CN201610257136.XA CN105852784A (en) | 2016-04-22 | 2016-04-22 | Multi-spectral medical endoscope lens and system |
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| CN201610257136.XA CN105852784A (en) | 2016-04-22 | 2016-04-22 | Multi-spectral medical endoscope lens and system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110123249A (en) * | 2019-04-09 | 2019-08-16 | 苏州西能捷科技发展有限公司 | A kind of nasosinusitis detection device and application method |
| CN110174176A (en) * | 2019-05-13 | 2019-08-27 | 浙江大学 | A kind of mask plate imaging system of sectional type multiband filter |
| US11382487B2 (en) | 2018-04-03 | 2022-07-12 | Curadel, LLC | Micro CMOS scopes for medical imaging |
| CN115656131A (en) * | 2022-11-08 | 2023-01-31 | 南京溯远基因科技有限公司 | Microarray shaping lens and fluorescence system for genetic detection |
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| CN115656131A (en) * | 2022-11-08 | 2023-01-31 | 南京溯远基因科技有限公司 | Microarray shaping lens and fluorescence system for genetic detection |
| CN115656131B (en) * | 2022-11-08 | 2023-09-19 | 南京溯远基因科技有限公司 | Microarray plastic lens for genetic detection and fluorescence system |
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