CN205493762U - Spectrum hard tube endoscope system - Google Patents
Spectrum hard tube endoscope system Download PDFInfo
- Publication number
- CN205493762U CN205493762U CN201521105737.6U CN201521105737U CN205493762U CN 205493762 U CN205493762 U CN 205493762U CN 201521105737 U CN201521105737 U CN 201521105737U CN 205493762 U CN205493762 U CN 205493762U
- Authority
- CN
- China
- Prior art keywords
- spectrum
- rigid pipe
- image
- pipe endoscope
- endoscope system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001228 spectrum Methods 0.000 title claims abstract description 37
- 238000005286 illumination Methods 0.000 claims abstract description 15
- 238000007500 overflow downdraw method Methods 0.000 claims abstract description 9
- 239000003086 colorant Substances 0.000 claims abstract description 7
- 230000007170 pathology Effects 0.000 claims abstract description 7
- 238000003384 imaging method Methods 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 10
- 230000003595 spectral effect Effects 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 claims description 6
- 238000000513 principal component analysis Methods 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 3
- 238000004611 spectroscopical analysis Methods 0.000 claims description 3
- 244000144985 peep Species 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 14
- 238000003745 diagnosis Methods 0.000 abstract description 8
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000003556 assay Methods 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 230000003760 hair shine Effects 0.000 abstract 1
- 230000036285 pathological change Effects 0.000 abstract 1
- 231100000915 pathological change Toxicity 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 description 7
- 230000004927 fusion Effects 0.000 description 5
- 230000010365 information processing Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000000470 constituent Substances 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 238000010183 spectrum analysis Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 235000010724 Wisteria floribunda Nutrition 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000013399 early diagnosis Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012634 optical imaging Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Endoscopes (AREA)
Abstract
The utility model discloses a spectrum hard tube endoscope utilizes the spectrum appearance to gather monochromatic source of illumination and shines the spectrum pattern of organizing the surface reflection, utilizes the information that contains can realize carrying out assay to the pathology at pathological change position in the spectrum, is favorable to realizing that the accuracy makes a diagnosis and gives treatment, utilizing the organism tissue to the otherness of different wavelength light energy absorption rates, through installing the monochromatic light that produces different colours at hard tube mirror the inside source of illumination foremost, can acquireing the image of different monochromatic light, this spectrum hard tube mirror system can promote the resolution ratio of image by a wide margin, and through the method that image information handled, can be on the basis of further enhanced imagery quality, the image fusion method of using wherein can show the result after promoting under the different degree of depth in an image.
Description
Technical field
This utility model relates to spectral technique, Image Information Processing, medical science detection, the field of tumor screening, particularly relates to
A kind of spectrum rigid pipe endoscope system.
Background technology
Along with the fast development of society, medical endoscope application on clinic diagnosis is more and more extensive.It has volume
Little, the plurality of advantages such as easy to operate, inside of human body can be insinuated into and observe.For medical endoscope, it is applied to
The extensive degree of clinic diagnosis proposes strong demand for the development of its correlation technique.Focusing on of its development: how
Improve image quality further and how to obtain more rich information.
Currently for improve image quality representative be narrow band imaging (NBI) can smart electronics with Fuji
Light splitting technology (FICE), the latter becomes again many bands imaging technique (MBI) or computer virtual Endoscopy (CVC).Two kinds of technology
Common advantage is to increase the contrast of image, it is thus achieved that the picture rich in detail that grain details is abundant, provides convenient for diagnosis and treatment
Condition, but the weak point of there is also, for the former, be disadvantageous in that cost is high, power consumption is big；For the latter, weak point
It is that contrast promotes degree the most obvious.Further, at present in endoscope's condition-inference field still with comprising in image
Information is as exclusive diagnosis foundation, the poor information full appreciation comprised in spectral line for lesion locations, and spectrum skill
Art diagnosis and treatment with it efficiently, accurately feature have been obtained for being widely applied in many fields of state of an illness diagnosis and treatment, therefore, if will
Spectral technique combines with endoscopic imaging technology, Accurate Analysis quick for the pathology cycle and the accuracy of early diagnosis
Etc. aspect will effectively improve.
Summary of the invention
In view of this, this utility model provides a kind of spectrum rigid pipe endoscope system, can obtain lesion region spectrum
Information, additionally it is possible to image resolution ratio is greatly improved, strengthens picture contrast, real-time spectrum rigid pipe endoscope and system, carries out
Can be carried out Accurate Analysis while condition-inference the pathology cycle, improve condition-inference ability in early days.
A kind of spectrum rigid pipe endoscope system of the present utility model, including rigid pipe endoscope, light-dividing device, imaging detector
Part, calculating display device and spectrogrph；
Described rigid pipe endoscope uses monochromatic lighting source, for bio-tissue to be seen is carried out monochromatic light photograph
Bright；
The light of the described bio-tissue surface reflection that rigid pipe endoscope is received by described light-dividing device is divided into two parts, and one
Part passes to imaging detection device, and another part passes to spectrogrph；
Described imaging detection device, gathers the image on described bio-tissue surface, and image input is calculated display device；
Described spectrogrph, receive bio-tissue surface reflection optical signal data, and be transmitted to calculate display set
Standby；
Described calculating display device shows the image on described bio-tissue surface, directly observes for medical personnel；Meanwhile,
Described optical signal data is processed, obtains the spectral line of bio-tissue, for medical personnel, pathology location is examined
Disconnected.
It is also preferred that the left described monochromatic illumination light source is placed in the front end of described rigid pipe endoscope.
It is also preferred that the left described monochromatic illumination light source timesharing can convert different colours, it is included in rigid pipe endoscope front edge
Anchor ring on uniform 6 LED chip, the most centrosymmetric two LED chip are one group, produce the light bag of same color
Include green, blue, red (or infrared).
It is also preferred that the left monochromatic illumination light source is included in 6 LED core uniform on the anchor ring of rigid pipe endoscope front edge
Sheet, produces the light of same color；The color of light is red (or infrared), green or blue.
It is also preferred that the left also include control circuit；This control circuit includes DC source, current-limiting resistance and three switches；Respectively
One end of switch connects the anode of DC source by current-limiting resistance, after another of switch terminates the LED chip of one group of same color
Connect the negative terminal of DC source.
It is also preferred that the left described rigid pipe endoscope is included in objective lens, rod mirror group, the eyepiece being sequentially arranged from front to back in telescope
Group, main mirror and supplying channels；Supplying channels is monochromatic illumination light source power supply by being close to the wire of telescope inner surface.
It is also preferred that the left bio-tissue surface image formed by different colours lighting source is carried out by described calculating display device
Following treatment technology, including: image noise reduction, image enhaucament and image co-registration.
It is also preferred that the left the image co-registration of described calculating display device uses linear weighted function fusion method.
It is also preferred that the left the image co-registration of described calculating display device uses principal component analysis fusion method.
This utility model has the advantages that
(1) this utility model utilizes spectrometer collection monochromatic illumination light source to irradiate the spectral line of tissue surface reflection, profit
It is capable of the pathology of diseased region is analyzed by the information comprised in spectrum, is advantageously implemented accurate diagnosis and treatment；Utilize raw
The object tissue diversity to different wave length luminous energy absorbance, by being arranged on inside hard tube mirror different monochromatic illuminations foremost
Light source can obtain different monochromatic image, and this spectrum hard tube mirror system can be substantially improved the resolution of image；
(2) this utility model passes through Image Information Processing, can apply it on the basis of further enhancing picture quality
In image interfusion method the result after promoting under different monochromatic illuminations can be shown in piece image.
(3) this utility model is by using single tube endoscope, compared to traditional two-tube endoscope, in eliminating
Pipe, the space of outer tube increases, and internal objective lens, rod mirror group and eyepiece group enlarged diameter, image resolution ratio is notable
Increase.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model spectrum rigid pipe endoscope system.
Fig. 2 is the functional block diagram of this utility model spectrum rigid pipe endoscope system.
Fig. 3 is the spectrum rigid pipe endoscope structural representation of this utility model spectrum rigid pipe endoscope system.
Fig. 4 is the spectrum rigid pipe endoscope front end face schematic diagram of this utility model spectrum rigid pipe endoscope system.
Fig. 5 is the monochromater power supply circuits schematic diagram of this utility model spectrum rigid pipe endoscope system.
1-rigid pipe endoscope, 2-light-dividing device, 3-imaging detection device, 4-spectrogrph, 5-calculates display device, 6-thing
Mirror group, 7-rod mirror group, 8-eyepiece group, 9-monochromatic illumination light source, 10-wire, 11-telescope, 12-main mirror, 13-supplying channels.
Detailed description of the invention
Develop simultaneously embodiment below in conjunction with the accompanying drawings, is described in detail this utility model.
As a kind of spectrum rigid pipe endoscope system, this utility model uses Image Information Processing to be combined with spectrum analysis
Method, first passes through rigid pipe endoscope 1 and detects, and is then received respectively through imaging detection device 3 and spectrogrph 4,
Transfer data to calculating equipment carry out process and obtain result.Therefore, spectrum rigid pipe endoscope system of the present utility model refers to
Rigid pipe endoscope imaging is had analysis, processes and the summation of all devices showing function.
Spectrum rigid pipe endoscope system of the present utility model, including: rigid pipe endoscope 1, monochromatic illumination light source 9, light splitting dress
Put 2, imaging detection device 3, calculating display device 5 and spectrogrph 4.
Described rigid pipe endoscope 1 uses monochromatic illumination light source 9, timesharing can convert different colours, be positioned over telescope front end, and
By circuit, its duty producing different colours is controlled.
Described calculating display device 5 has been used for the calculating of view data and spectroscopic data and has processed work, process is tied
Fruit shows.
Described light-dividing device 2, is divided into two parts by the light path of the image space of rigid pipe endoscope 1 optical imaging system.One
Part passes to imaging detection device 3, and another part passes to spectrogrph 4.
Described imaging detection device 3, gathers monochromater and irradiates the image of organism surface, and image input is calculated display
Equipment 5 is directly observed for medical personnel or is carried out image procossing and observes.
Described spectrogrph 4, receives the reflected light signal that bio-tissue was formed when monochromater is irradiated, by gathering
Device transfers data to calculating equipment, and monochromater is irradiated after calculating equipment processes the light of biological tissue surface reflection
Spectral pattern presents on the display device, it is provided that the spectral information of biological tissue surface, makes the medical personnel can be in spectrum analysis
Pathology location is diagnosed by method.
Native system workflow is: the monochromater 9 of rigid pipe endoscope 1 front end irradiates object under test surface, warp after lighting
After crossing the optical system imaging of rigid pipe endoscope 1, the output light device 2 that is split is divided into two-way, and wherein a road is entered as visiting
Survey device 3, gather image and send into calculating display device 5 directly display or after Image Information Processing show.Meanwhile,
Another road input spectrum instrument 4, sends result calculating display device 5 to, shows light after carrying out data process by internal circuit
The spectrogram behind surface to be measured is irradiated in source.Medical personnel can carry out qualitative disease by the image on display device to ad-hoc location
Reason inspection, tentatively judges the state of an illness.If it find that this position truly has the state of an illness, need to further look at, can be by this position
The spectrum information comprised in spectral line carries out quantitative expedition, thus fully understands the state of an illness.
As it is shown on figure 3, rigid pipe endoscope 1 of the present utility model uses single tube endoscope, including: objective lens 6, rod mirror group 7,
Eyepiece group 8, monochromater 9, wire 10, telescope 11, main mirror 12, supplying channels 13.Supplying channels 13 is by being close to telescope 11
The wire 10 of inner surface is powered for monochromater 9, and as shown in Figure 4, monochromatic illumination light source 9 is included in rigid pipe endoscope 1 front end edge
6 LED chip uniform on the anchor ring of edge, produce the light of same color, and the color of light be redness (or infrared), green or blue
Color, it is also possible to color and the number of light source are adjusted according to practical use.Luminescence in view of 2 symmetrical LED chip
Brightness may be not enough, during the thinnest hard tube mirror, 6 LED chip can be arranged to identical color, concrete color also root
Select according to purposes.
As it is shown in figure 5, control circuit includes DC source, current-limiting resistance and three switches；Respectively with three switch controls
Making three monochromaters in parallel, one end of each switch connects the anode of DC source by current-limiting resistance, another termination of switch
The LED chip of one group of same color is followed by the negative terminal of DC source.Current-limiting resistance is set, reduces load end electric current, prevent from damaging
Monochromatic illumination light source 9, it is possible to increase light-source brightness control circuit according to practical use.
Calculating display device 5 of the present utility model also comprises the Image Information Processing strengthening rigid pipe endoscope 1 picture quality
Function, predominantly: image noise reduction, image enhaucament, image co-registration etc., each apoplexy due to endogenous wind comprises multiple processing method.This utility model
The method enumerating two kinds of image co-registration: linear weighted function fusion method, principal component analysis fusion method.
Linear weighted function fusion is that the corresponding pixel points of the image to two width same sizes is weighted superposition.Weighted Fusion table
Reach formula as follows:
The purpose of principal component analysis fusion method is to determine Weighted Fusion coefficient by principal component analysis, finally uses the two
Coefficient carries out linear weighted function fusion to image.Using the method is to obtain an optimal weighted fusion coefficient, so that melting
Picture quality after conjunction is optimal.The step of principal component analysis fusion method is:
1, according to raw image data matrix, obtain its covariance matrix。
2, covariance matrix is calculatedEigenvalue and characteristic vector.
3, covariance matrix is calculatedEigenvalue and characteristic vector, after descending for eigenvalue arrangement, by each feature
Value characteristic of correspondence vector is according to this sequential build transformation matrix, and rightColumn vector carry out unitization.
4, by transformation matrixWith original imageCarry out matrix multiplication operation,Row vector be exactly each in image
Main constituent component.
5, weight coefficient is determined by main constituent component.
In sum, these are only preferred embodiment of the present utility model, be not intended to limit of the present utility model
Protection domain.All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, all should wrap
Within being contained in protection domain of the present utility model.
Claims (10)
1. a spectrum rigid pipe endoscope system, it is characterised in that include that rigid pipe endoscope (1), light-dividing device (2), imaging are visited
Survey device (3), calculate display device (5) and spectrogrph (4)；
Described rigid pipe endoscope (1) uses monochromatic lighting source (9), for bio-tissue to be seen is carried out monochromatic light
Illumination；
The light of the described bio-tissue surface reflection that rigid pipe endoscope (1) is received by described light-dividing device (2) is divided into two parts,
A part passes to imaging detection device (3), and another part passes to spectrogrph (4)；
Described imaging detection device (3), gathers the image on described bio-tissue surface, and image input is calculated display device
(5)；
Described spectrogrph (4), receives the light of bio-tissue surface reflection, and forms spectroscopic data, and is transmitted to calculate
Display device (5)；
Described calculating display device (5) shows the image on described bio-tissue surface, directly observes for medical personnel；Meanwhile,
Obtain the spectral line of bio-tissue according to described spectroscopic data, for medical personnel, pathology location is diagnosed.
2. a kind of spectrum rigid pipe endoscope system as claimed in claim 1, it is characterised in that described lighting source (9) is placed in
The front end of described rigid pipe endoscope (1).
3. a kind of spectrum rigid pipe endoscope system as claimed in claim 2, it is characterised in that described lighting source (9) includes N
Individual LED chip, on the anchor ring of the front edge being distributed in described rigid pipe endoscope (1).
4. a kind of spectrum rigid pipe endoscope system as claimed in claim 3, it is characterised in that the list of described lighting source (9)
Coloured light color is at least the one of which of red, green, blue color.
5. a kind of spectrum rigid pipe endoscope system as claimed in claim 4, it is characterised in that described lighting source (9) can divide
Shi Bianhuan different colours.
6. a kind of spectrum rigid pipe endoscope system as claimed in claim 5, it is characterised in that described lighting source (9) includes
6 LED chip uniform on the anchor ring of rigid pipe endoscope (1) front edge, the most centrosymmetric two LED chip are
One group, produce the monochromatic light of same color.
7. a kind of spectrum rigid pipe endoscope system as described in claim 3 or 4, it is characterised in that also include control circuit；Should
Control circuit includes DC source, current-limiting resistance and three switches；One end of each switch connects DC source by current-limiting resistance
Anode, another LED chip terminating one group of same color of switch is followed by the negative terminal of DC source.
8. a kind of spectrum rigid pipe endoscope system as described in claim 1,2,3 or 4, it is characterised in that peep in described hard tube
Mirror (1) is single tube endoscope, be included in telescope (11) be sequentially arranged in from front to back the internal objective lens (6) of telescope (11),
Rod mirror group (7), eyepiece group (8), main mirror (12) and supplying channels (13)；Supplying channels (13) is by being close in telescope (11)
The wire (10) on surface is lighting source (9) power supply.
9. a kind of spectrum rigid pipe endoscope system as claimed in claim 1, it is characterised in that described calculating display device (5)
Bio-tissue surface image formed by different colours lighting source is handled as follows technology, including: image noise reduction, image
Strengthen and image co-registration.
10. a kind of spectrum rigid pipe endoscope system as claimed in claim 9, it is characterised in that described calculating display device (5)
Image co-registration use principal component analysis fusion method or linear weighted function fusion method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521105737.6U CN205493762U (en) | 2015-12-28 | 2015-12-28 | Spectrum hard tube endoscope system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521105737.6U CN205493762U (en) | 2015-12-28 | 2015-12-28 | Spectrum hard tube endoscope system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205493762U true CN205493762U (en) | 2016-08-24 |
Family
ID=56720655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521105737.6U Active CN205493762U (en) | 2015-12-28 | 2015-12-28 | Spectrum hard tube endoscope system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205493762U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106913304A (en) * | 2015-12-28 | 2017-07-04 | 北京威斯顿亚太光电仪器有限公司 | A kind of spectrum rigid pipe endoscope system |
| CN109998456A (en) * | 2019-04-12 | 2019-07-12 | 安翰科技(武汉)股份有限公司 | Capsule type endoscope and its control method |
| CN110058400A (en) * | 2019-04-05 | 2019-07-26 | 舒轶 | LED based endoscope multiple light courcess controllable Lighting System |
-
2015
- 2015-12-28 CN CN201521105737.6U patent/CN205493762U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106913304A (en) * | 2015-12-28 | 2017-07-04 | 北京威斯顿亚太光电仪器有限公司 | A kind of spectrum rigid pipe endoscope system |
| CN110058400A (en) * | 2019-04-05 | 2019-07-26 | 舒轶 | LED based endoscope multiple light courcess controllable Lighting System |
| CN109998456A (en) * | 2019-04-12 | 2019-07-12 | 安翰科技(武汉)股份有限公司 | Capsule type endoscope and its control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11751971B2 (en) | Imaging and display system for guiding medical interventions | |
| US9204805B2 (en) | Medical hyperspectral imaging for evaluation of tissue and tumor | |
| CN105182514B (en) | Based on LED light source without lens microscope and its image reconstructing method | |
| CN100528072C (en) | Fluoroscopic image early cancer diagnosis equipment | |
| JP5594711B2 (en) | Method for enhancing in-vivo image contrast | |
| CN103826524B (en) | Diagnostic system | |
| CN104305957B (en) | Wear-type molecular image navigation system | |
| CN205493762U (en) | Spectrum hard tube endoscope system | |
| US10013811B2 (en) | Hyperspectral image visualization in patients with medical conditions | |
| US20220330826A1 (en) | Noise aware edge enhancement in a pulsed hyperspectral, fluorescence, and laser mapping imaging system | |
| Renkoski et al. | Wide-field spectral imaging of human ovary autofluorescence and oncologic diagnosis via previously collected probe data | |
| CN109222865A (en) | A kind of multi-modality imaging endoscopic system | |
| JP2011099823A (en) | Virtual microscope system | |
| CN103300829B (en) | Biological autofluorescence tomography method based on iteration reweighting | |
| CN106913304A (en) | A kind of spectrum rigid pipe endoscope system | |
| WO2020257063A1 (en) | Minimizing image sensor input/output in a pulsed hyperspectral fluorescence, and laser mapping imaging system | |
| JP2020524572A (en) | System for endoscopic imaging and method for processing images | |
| JPWO2020008834A1 (en) | Image processing equipment, methods and endoscopic systems | |
| CN102846312A (en) | Multi-dimensional imaging detector and data inversion method thereof | |
| CN209172253U (en) | A kind of multi-modality imaging endoscopic system | |
| Liu et al. | Detection of heterogeneity in multi-spectral transmission image based on spatial pyramid matching model and deep learning | |
| CN105054890A (en) | Tumor tissue detection device based on endoscope | |
| CN205094370U (en) | Tumor tissue detection device based on endoscope | |
| WO2016061754A1 (en) | Handheld molecular imaging navigation system | |
| CN105282454B (en) | A kind of endoscopic imaging system and imaging method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171110 Address after: 100081 96 unit 5, 201 South Street, Haidian District, Beijing, Zhongguancun Patentee after: Liu Xiaohua Address before: 100081 No. 96, unit 5, 201 South Street, Beijing, Haidian District, Zhongguancun Patentee before: WTI (Beijing) Asia-Pacific Photoelectric Instrument Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A spectral hard tube endoscope system Effective date of registration: 20200923 Granted publication date: 20160824 Pledgee: Liu Liang Pledgor: Liu Xiaohua Registration number: Y2020990001158 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |