CN106618458B - A kind of multi-spectrum endoscopic imaging device - Google Patents
A kind of multi-spectrum endoscopic imaging device Download PDFInfo
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- CN106618458B CN106618458B CN201710046429.8A CN201710046429A CN106618458B CN 106618458 B CN106618458 B CN 106618458B CN 201710046429 A CN201710046429 A CN 201710046429A CN 106618458 B CN106618458 B CN 106618458B
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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
- A61B1/05—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 characterised by the image sensor, e.g. camera, being in the distal end portion
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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
- A61B1/0638—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
- A61B1/0653—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 with wavelength conversion
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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
- A61B1/0669—Endoscope light sources at proximal end of an endoscope
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Abstract
The present invention relates to a kind of multi-spectrum endoscopic imaging device, multi-spectrum endoscopic imaging device, including endoscope head, CMOS camera assembly, image processing unit, display unit, storage unit and light source part；Wherein: the endoscope head is detachably connected with CMOS camera assembly, the connecting pin connection corresponding with image processing unit respectively of the CMOS camera assembly, display unit and storage unit；It further include narrow band filter colour wheel, colour wheel servo motor and control mechanism；The narrow band filter colour wheel is connect with colour wheel servo motor transmission, and light source part is connect with narrow band filter colour wheel, and the colour wheel servo motor and image processing unit are connect with control mechanism respectively；The narrow band filter colour wheel includes narrow band filter turntable, and the circumferencial direction of the narrow band filter turntable is equipped with multiple and different narrow band filters.The capacity usage ratio of the present invention not only light is high, and imaging resolution is high, and light path design is simple.
Description
Technical field
The present invention relates to medical electronic endoscopes imaging inspection technical fields, and in particular to a kind of multi-spectrum endoscopic imaging
Device.
Background technique
For performing the operation and the endoscopic imaging device of other goals of medicine generally comprises at endoscope mirror body, light source and image
It manages unit (CCU).Wherein endoscope mirror body is partial insertion inside of human body, provides optical path carrier and instrument channel, light source master
Internal illumination is provided, image processing unit (CCU) is the critical component of image procossing.The imaging letter obtained by imaging device
It number is treated as image by image processing unit (CCU) scheduled image processing techniques and shows on a monitor.As a result,
Operator can observe the inside of body by the image shown on viewing monitor.
The endoscopic imaging device is for observing various positions in vivo in preoperative or art.Observe the endoscope of different parts
Structure snd size different from, but principle is identical, and light source and image processing unit (CCU) are generally applicable.
The different characteristics of tissue, they are different to the photosensitivity of different wave length, preferably to distinguish different tissues
Or the different tissues even different lesions of different tissues are shown on a monitor, it needs to identify by narrow-band spectrum.But it is existing
Technology in, have plenty of using wavelength spectroscopic imaging technology relevant to spatial position, choose difference using more baffles are mobile
The picture of wavelength is for showing imaging, but the capacity usage ratio of this imaging mode light is low, and imaging resolution is not high, and optical path
It designs troublesome, it is difficult to meet the growth requirement of endoscope high definition imaging.
Summary of the invention
The object of the present invention is to provide a kind of capacity usage ratio of not only light height, and imaging resolution is high, and light path design
Simple multi-spectrum endoscopic imaging device, with overcome the deficiencies in the prior art.
In order to achieve the above object, it the technical scheme is that a kind of multi-spectrum endoscopic imaging device, including interior peeps
Camera lens, CMOS camera assembly, image processing unit, display unit, storage unit and light source part；Wherein:
The endoscope head is detachably connected with CMOS camera assembly, and the endoscope head provides path channels, end
Human body tissue regions to be measured are directly entered, the light source part at least covers visible wavelength and near-infrared wave for providing
The illumination light of the continuous spectrum of long range；
Connecting pin corresponding with image processing unit connects respectively for the CMOS camera assembly, display unit and storage unit
It connects, the CMOS camera assembly, the reflected light of the human body tissue regions to be measured for being transmitted according to endoscope head obtains tissue
Image, described image processing unit, for transmitting and handling organization chart picture, the display unit, for showing organization chart picture, institute
Storage unit is stated for storage organization image；
Its innovative point is:
It further include narrow band filter colour wheel, the narrow band filter colour wheel is not shared the same light for filtering out from the light source part
The narrow band light of spectrum, and the narrow band light of the different spectrum continuously cover the illumination light that the light source part provides whole spectrum and
Near infrared spectral range；
Colour wheel servo motor, the colour wheel servo motor, for controlling the rotation of narrow band filter colour wheel；
Control mechanism, the control mechanism, for controlling image processing unit and colour wheel servo motor；
The narrow band filter colour wheel is connect with colour wheel servo motor transmission, and light source part is located at narrow band filter colour wheel
Side, the colour wheel servo motor and image processing unit are connect with control mechanism respectively；
The narrow band filter colour wheel includes narrow band filter turntable, is set on the circumferencial direction of the narrow band filter turntable
There are multiple and different narrow band filters, and have can be described by the light hole of full spectrum light source at the center of narrow band filter turntable
Colour wheel servo motor is for selecting the narrow band light optical filter for controlling the narrow band filter colour wheel to enter or exit the light source
The optical path for the illumination light that component provides.
In the above-mentioned technical solutions, the narrow band filter colour wheel filters out the wavelength bandwidth of narrow band light in 20~40 nanometers of models
In enclosing.
In the above-mentioned technical solutions, it is 30 nanometers that the narrow band filter colour wheel, which filters out the wavelength bandwidth of narrow band light,.
In the above-mentioned technical solutions, the narrow band filter colour wheel, for from the light source part filter out near-infrared, it is red,
Green, Lan Butong spectrum light.
In the above-mentioned technical solutions, the circumferencial direction of the narrow band filter turntable is equipped with 3 different narrow band filters,
Each narrow band filter may filter that the independent narrow-band spectrum of at least four, and the wavelength bandwidth of the independent narrow-band spectrum of at least four
Range is not exactly the same.
It in the above-mentioned technical solutions, further include transmission mechanism, the transmission mechanism includes first bearing seat, second bearing
Seat, main synchronous pulley and from synchronous pulley, the main synchronous pulley is located in first bearing seat, is located at the second axis from synchronous pulley
It holds on seat, the output shaft of the colour wheel servo motor is connect with main synchronous belt pulley transmission, and narrow band filter colour wheel is located at from synchronization
On belt wheel, and main synchronous pulley is connected with from synchronous pulley by toothed belt transmission.
In the above-mentioned technical solutions, the light source part is using high-brightness LED cold light source, and the light of light source part is defeated
Outlet is connect with narrow band filter colour wheel.
In the above-mentioned technical solutions, the CMOS camera assembly includes optical interface, camera and data line, described
Endoscope head is detachably connected by buckling with one end of optical interface, camera and data line and meanwhile with optical interface
Other end connection, the endoscope head are connect with light source part by light guide bundles.
In the above-mentioned technical solutions, the illumination light that the light source part provides is the full spectrum light including infrared light
Source, and wavelength bandwidth is within the scope of 400~900nm.
In the above-mentioned technical solutions, the light hole of the narrow band filter turntable is round light hole.
Good effect possessed by the present invention is: using the invention also includes narrow band filter colour wheel, the narrow-band-filters
Piece colour wheel, for filtering out the narrow band light of different spectrum from the light source part, and the narrow band light of the different spectrum continuously covers
The whole spectrum and near infrared spectral range for the illumination light that the light source part provides；Colour wheel servo motor, the colour wheel servo
Motor, for controlling the rotation of narrow band filter colour wheel；Control mechanism, the control mechanism, for control image processing unit and
Colour wheel servo motor；The narrow band filter colour wheel is connect with colour wheel servo motor transmission, and light source part is located at narrow-band-filter
The side of piece colour wheel, the colour wheel servo motor and image processing unit are connect with control mechanism respectively；The narrow band filter
Colour wheel includes narrow band filter turntable, and the circumferencial direction of the narrow band filter turntable is equipped with multiple and different narrow band filters,
And the center of narrow band filter turntable has and can be controlled by the light hole of full spectrum light source, the colour wheel servo motor for selecting
The narrow band light optical filter for making the narrow band filter colour wheel enters or exits the optical path for the illumination light that the light source part provides；
The present invention can obtain the multispectral image of 16 different wave lengths under the effect of multiple and different narrow band filters with 30 frames/second,
Frame per second is equivalent to 480 frames/second, compared with existing technology, such as NBI technology it be only able to achieve 2 kinds of 30 frames of wave band/seconds at
Picture, and the multispectral high frame per second imaging of 16 kinds of 30 frames of wave band/seconds can be achieved in the present invention, is significantly better than current multispectral imaging dress
Set frame per second.The present invention can provide the multispectral image data of pathological tissues and normal tissue with a variety of variable spectral forms, and one
Serial narrow band light can be chosen out of the visible spectrum of the illumination light and near infrared spectral range according to clinical demand filter out it is specific
Narrow-band spectrum, real-time selection provides optimal pathological tissues and normal tissue has the imaging of tissue of obvious vision difference, reduces doctor
The difficulty estranged for distinguishing pathological tissues and normal tissue, facilitates the judgement during surgical.
Detailed description of the invention
Fig. 1 is a kind of schematic perspective view of specific embodiment of the present invention；
Fig. 2 is the principle of the present invention block diagram；
Fig. 3 is the structural schematic diagram of transmission mechanism of the invention；
Fig. 4 is the narrow band filter colour wheel structural schematic diagram in Fig. 1.
Specific embodiment
Below in conjunction with attached drawing and the embodiment provided, the present invention is further illustrated, and however, it is not limited to this.
As shown in Figure 1,2,3, 4, a kind of multi-spectrum endoscopic imaging device, including endoscope head 1, CMOS camera assembly 2,
Image processing unit 3, display unit 4, storage unit 5 and light source part 6；Wherein:
The endoscope head 1 and CMOS camera assembly 2 is detachably connected, and the endoscope head 1 provides path channels, end
Portion is directly entered human body tissue regions to be measured, and the endoscope head 1 is used for the light source part 6 and narrow band filter colour wheel
7, which filter, imports tissue；
The light source part 6, for providing the continuous spectrum at least covering visible wavelength and near infrared wavelength region
Illumination light, colour rendering index meet national standard；
The CMOS camera assembly 2, display unit 4 and storage unit 5 connecting pin corresponding with image processing unit 3 respectively
Connection, the reflected light of the CMOS camera assembly 2, the human body tissue regions to be measured for being transmitted according to endoscope head 1 obtain
Organization chart picture, described image processing unit 3, for transmitting and handling organization chart picture, the display unit 4, for showing tissue
Image, the storage unit 5 are used to storage organization image；
That is described image processing unit 3, display unit 4, for acquiring, transmitting, optimizing picture signal and show the figure
Picture；
It further include narrow band filter colour wheel 7, the narrow band filter colour wheel 7, for filtering out difference from the light source part 6
The narrow band light of spectrum, and the narrow band light of the different spectrum continuously covers the whole light for the illumination light that the light source part 6 provides
Spectrum and near infrared spectral range, i.e. narrow band filter colour wheel 7 are used to filter out a series of narrow band lights from the light source part 6, described
A series of narrow band lights uninterruptedly cover the whole spectrum and near infrared spectral range of the illumination light；
Colour wheel servo motor 8, the colour wheel servo motor 8 are rotated for controlling narrow band filter colour wheel 7；
Control mechanism 9, the control mechanism 9, for controlling image processing unit 3 and colour wheel servo motor 8；
The narrow band filter colour wheel 7 is sequentially connected with colour wheel servo motor 8, and light source part 6 is located at narrow band filter
The side of colour wheel 7, the colour wheel servo motor 8 and image processing unit 3 are connect with control mechanism 9 respectively；
The narrow band filter colour wheel 7 includes narrow band filter turntable 7-1, the circumference of the narrow band filter turntable 7-1
Direction be equipped with multiple and different narrow band filter 7-2, and the center of narrow band filter turntable 7-1 have can pass through full spectrum light source
Light hole 7-1-1, the colour wheel servo motor 8 is used to select to control the narrow band light optical filter of the narrow band filter colour wheel 7
7-2 enters or exits the optical path for the illumination light that the light source part 6 provides.
Narrow band filter colour wheel 7 of the present invention filters out the wavelength bandwidth of narrow band light in 20~40 nanometer ranges.It is described
The wavelength bandwidth that narrow band filter colour wheel 7 filters out narrow band light is 30 nanometers.
The narrow band filter colour wheel 7, for filtering out near-infrared, red, green, blue difference spectrum from the light source part 6
Light.The control mechanism 9 controls colour wheel servo motor 8 and acts, in this way, the colour wheel servo motor 8 selection control narrow-band-filter
Different filter discs on piece colour wheel 7 enter the optical path.
Quickly selection filters light source part 6 together for the narrow band filter colour wheel 7, colour wheel servo motor 8 and control mechanism 9
The narrow-band spectrum of bandwidth different wave length between 20~40 nanometers provides illumination to in-vivo tissue, and control is different in certain sequence
Narrow band filter 7-2 enter or exit display optical path, clearly indicated with guaranteeing that different parts are observed tissue.
As shown in figure 4, the circumferencial direction of the narrow band filter turntable 7-1 is equipped with 3 different narrow band filter 7-2,
Each narrow band filter 7-2 may filter that the independent narrow-band spectrum of at least four, and the wavelength of the independent narrow-band spectrum of at least four
Bandwidth range is not exactly the same.The narrow band filter turntable 7-1 of the i.e. described narrow band filter colour wheel 7 along the circumferential direction installs 3
Different narrow band filters, each optical filter may filter that the independent narrow-band spectrum of at least four, and the independent narrow-band spectrum wavelength
Bandwidth range is not exactly the same, to guarantee diversity that image is shown.
As shown in figure 3, in order to enable structure of the invention is more reasonable, compact, and ensure that narrow band filter colour wheel 7 rotates
Accuracy is high, and the invention also includes transmission mechanism 10, the transmission mechanism 10 includes first bearing seat 10-1, second bearing seat
It 10-2, main synchronous pulley 10-3 and is located on first bearing seat 10-1 from synchronous pulley 10-4, the main synchronous pulley 10-3, from
Synchronous pulley 10-4 is located on second bearing seat 10-2, and the output shaft of the colour wheel servo motor 8 and main synchronous pulley 10-3 are passed
Dynamic connection, narrow band filter colour wheel 7 are located at from synchronous pulley 10-4, and main synchronous pulley 10-3 and logical from synchronous pulley 10-4
Cross toothed belt transmission connection.
The light source part 6 is using high-brightness LED cold light source, and the light output end and narrow-band-filter of light source part 6
Piece colour wheel 7 connects.
As shown in Figure 1, the CMOS camera assembly 2 includes optical interface, camera and data line, the endoscope
First 1 is detachably connected by one end of buckle and optical interface, and camera and data line are another with optical interface simultaneously
End connection, 1 light source part 6 of endoscope head are connected by light guide bundles 1-1.
Wherein, the optical interface of the CMOS camera assembly 2 is used for zoom or fixed-focus, and the optical interface front end is peeped with interior
Camera lens 1 is connected with click on fashion, and different endoscope heads 1, the optical interface rear end and camera are replaced in easy disassembly
(CCU), data line is focused when facilitating practical operation with the connection of optics C interface and is waited optical parameters to reach best aobvious
Show effect.
Image processing unit 3 of the present invention is one of the core component for determining image display effect of the present invention, including but
It is not limited to the processing to concepts such as conventional visible spectrum, narrow-band spectrums, also comprising the processing to infrared light.Wherein to specific wavelength
The processing technique of the infrared ray of range can selectively show tissue look-out station 1mm state at a depth below.
As shown in Figure 1, image processing unit 3 of the present invention, display unit 4, storage unit 5, light source part 6 and control
Mechanism 9 is each attached in casing 11, and power supply 12, subrack 13, filter 14 and radiator fan 15, institute are additionally provided in casing 11
State the connecting pin electrical connection corresponding with control mechanism 9 of power supply 12, subrack 13, filter 14 and radiator fan 15, wherein institute
State subrack 13 for extend connect, filter 14 is used to filter, and radiator fan 15 prevents for removing heat in casing 11
Temperature is excessively high in casing 1, and causes other component cisco unity malfunctions.Operation panel is housed in the end face outside of the casing 11
16, it can be utilized for human-computer dialogue.
The illumination light that light source part 6 of the present invention provides is the full spectrum light source including infrared light, and wavelength band
It is wide within the scope of 400~900nm.
As shown in figure 4, the light hole 7-1-1 of the narrow band filter turntable 7-1 is round light hole.The narrow-band-filter
The light hole 7-1-1 that piece turntable 7-1 has a full spectrum light source to pass through, for switching in optical path in the narrow band filter 7-2, and
And narrow band filter colour wheel light passing when switching out optical path；Or the color filter wheel does not have light passing space, described narrow
When band optical filter 7-2 switches into optical path, the colour wheel servo motor 8 and control mechanism 9 control the narrow band filter 7-2 rotation
Turn, so that different narrow band filter 7-2 switches out optical path.
There are two types of operating modes by the present invention, and one is color dispersing mode, narrow band filter colour wheel 7 enters light under the mode
Road, narrow band light optical filter 7-2 remove optical path, and the white light that light source issues at this time is filtered into color lighting after colored filter
Then light passes through the CMOS camera assembly 2 by endoscope head 1 into human body irradiation tissue and by Tissue reflectance or absorption
Camera imaging；Another kind is narrow band light scan pattern, and colored filter removes optical path, narrow band light filter set under the mode
Into optical path, and narrow band light optical filter constantly switches.The white light that light source issues generates narrowband photograph after narrow band light optical filter
Mingguang City enters human body irradiation tissue through endoscope body and passes through black and white camera imaging after being rebounded or absorbed by tissue.
The present invention can obtain the mostly light of 16 different wave lengths under the effect of multiple and different narrow band filters with 30 frames/second
Spectrogram picture, frame per second are equivalent to 480 frames/second, compared with existing technology, such as NBI technology it be only able to achieve 2 kinds of wave bands 30
Frame/second imaging, and the multispectral high frame per second imaging of 16 kinds of 30 frames of wave band/seconds can be achieved in the present invention is significantly better than current more
Optical spectrum imaging device frame per second.
The present invention can provide the multispectral image data of pathological tissues and normal tissue with a variety of variable spectral forms, real
When selection optimal pathological tissues and normal tissue are provided have the imaging of tissue of obvious vision difference, reduce doctor and differentiate lesion group
The difficulty with normal tissue is knitted, the judgement during surgical is facilitated.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of multi-spectrum endoscopic imaging device, including endoscope head (1), narrow band filter colour wheel (7), image processing unit
(3), display unit (4), storage unit (5) and light source part (6)；Wherein:
The endoscope head (1) provides path channels, and end is directly entered human body tissue regions to be measured, the light source part
(6), for providing the illumination light at least covering the continuous spectrum of visible wavelength, the narrow band filter colour wheel (7), for from
The light source part (6) filters out the narrow band light of different spectrum, and the narrow band light of the different spectrum continuously covers the light source portion
The whole spectrum for the illumination light that part (6) provides；
The display unit (4) and storage unit (5) connecting pin connection corresponding with image processing unit (3) respectively, the figure
As processing unit (3), for transmitting and handling organization chart picture, the display unit (4) is described to deposit for showing organization chart picture
Storage unit (5) is used to storage organization image；
It is characterized by:
It further include CMOS camera assembly (2), the endoscope head (1) is detachably connected with CMOS camera assembly (2), the CMOS
Camera assembly (2) connecting pin connection corresponding with image processing unit (3), the CMOS camera assembly (2), for being peeped in
The reflected light of the human body tissue regions to be measured of camera lens (1) transmission obtains organization chart picture；
The light source part (6), also provides for the illumination light for the continuous spectrum for covering near infrared wavelength region, described not share the same light
The narrow band light of spectrum continuously covers the near infrared spectral range of the light source part (6) offer；
Colour wheel servo motor (8), the colour wheel servo motor (8), for controlling narrow band filter colour wheel (7) rotation；
Control mechanism (9), the control mechanism (9), for controlling image processing unit (3) and colour wheel servo motor (8)；
The narrow band filter colour wheel (7) and colour wheel servo motor (8) are sequentially connected, and light source part (6) is located at narrow-band-filter
The side of piece colour wheel (7), the colour wheel servo motor (8) and image processing unit (3) are connect with control mechanism (9) respectively；
The narrow band filter colour wheel (7) includes narrow band filter turntable (7-1), the circle of the narrow band filter turntable (7-1)
Circumferential direction be equipped with multiple and different narrow band filters (7-2), and the center of narrow band filter turntable (7-1) have can pass through full light
The light hole (7-1-1) of light source is composed, the colour wheel servo motor (8) is used to select the control narrow band filter colour wheel (7)
Narrow band light optical filter (7-2) enters or exits the optical path of the illumination light of the light source part (6) offer；
The circumferencial direction of the narrow band filter turntable (7-1) is equipped with 3 different narrow band filters (7-2), each narrowband filter
Mating plate (7-2) may filter that the independent narrow-band spectrum of at least four, and the wavelength band of the independent narrow-band spectrum of at least four
It is not exactly the same；
Further include transmission mechanism (10), the transmission mechanism (10) include first bearing seat (10-1), second bearing seat (10-2),
Main synchronous pulley (10-3) and from synchronous pulley (10-4), the main synchronous pulley (10-3) is located at first bearing seat (10-1)
On, be located on second bearing seat (10-2) from synchronous pulley (10-4), the output shaft of the colour wheel servo motor (8) with it is main synchronous
Belt wheel (10-3) transmission connection, narrow band filter colour wheel (7) is located at from synchronous pulley (10-4), and main synchronous pulley (10-3)
It is connected with from synchronous pulley (10-4) by toothed belt transmission.
2. multi-spectrum endoscopic imaging device according to claim 1, it is characterised in that: the narrow band filter colour wheel
(7) wavelength bandwidth of narrow band light is filtered out in 20~40 nanometer ranges.
3. multi-spectrum endoscopic imaging device according to claim 2, it is characterised in that: the narrow band filter colour wheel
(7) wavelength bandwidth for filtering out narrow band light is 30 nanometers.
4. multi-spectrum endoscopic imaging device according to claim 1, it is characterised in that: the narrow band filter colour wheel
(7), for filtering out the light of near-infrared, red, green, blue difference spectrum from the light source part (6).
5. multi-spectrum endoscopic imaging device according to claim 1, it is characterised in that: the light source part (6) uses
Be high-brightness LED cold light source, and the light output end of light source part (6) is connect with narrow band filter colour wheel (7).
6. multi-spectrum endoscopic imaging device according to claim 1, it is characterised in that: the CMOS camera assembly (2)
Including optical interface, camera and data line, the endoscope head (1) is detachable with one end of optical interface by buckling
Connection, camera and data line are connect with the other end of optical interface simultaneously, the endoscope head (1) and light source part
(6) it is connected by light guide bundles (1-1).
7. multi-spectrum endoscopic imaging device according to claim 1, it is characterised in that: the light source part (6) provides
Illumination light be full spectrum light source including infrared light, and wavelength bandwidth is within the scope of 400~900nm.
8. multi-spectrum endoscopic imaging device according to claim 1, it is characterised in that: the narrow band filter turntable
The light hole (7-1-1) of (7-1) is round light hole.
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| CN108634916B (en) * | 2018-07-30 | 2024-07-23 | 鹰利视医疗科技有限公司 | Fluorescent endoscope cold light source |
| CN109316159A (en) * | 2018-11-12 | 2019-02-12 | 深圳开立生物医疗科技股份有限公司 | An endoscope lighting device |
| CN113229783B (en) * | 2021-05-13 | 2025-03-25 | 珠海维尔康生物科技有限公司 | Image acquisition system, method and device for fluorescence imaging |
| CN114271766A (en) * | 2021-12-28 | 2022-04-05 | 上海澳华内镜股份有限公司 | an endoscope device |
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| JP2005006856A (en) * | 2003-06-18 | 2005-01-13 | Olympus Corp | Endoscope apparatus |
| JP4009560B2 (en) * | 2003-06-19 | 2007-11-14 | オリンパス株式会社 | Endoscope apparatus and signal processing apparatus |
| JP4388318B2 (en) * | 2003-06-27 | 2009-12-24 | オリンパス株式会社 | Image processing device |
| CN101943796B (en) * | 2010-08-26 | 2012-04-18 | 山西医科大学 | Multi-spectrum endoscopic optics switching system |
| JP5550574B2 (en) * | 2011-01-27 | 2014-07-16 | 富士フイルム株式会社 | Electronic endoscope system |
| CN102920420B (en) * | 2012-10-11 | 2015-07-29 | 北京大学 | A kind of endoscope apparatus |
| CN207024031U (en) * | 2017-01-22 | 2018-02-23 | 鹰利视医疗科技有限公司 | A kind of multi-spectrum endoscopic imaging device |
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