CN104083144A - Method and device for controlling brightness of electronic endoscope image area - Google Patents
Method and device for controlling brightness of electronic endoscope image area Download PDFInfo
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- CN104083144A CN104083144A CN201310617018.1A CN201310617018A CN104083144A CN 104083144 A CN104083144 A CN 104083144A CN 201310617018 A CN201310617018 A CN 201310617018A CN 104083144 A CN104083144 A CN 104083144A
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Abstract
The invention provides a method and a device for controlling the brightness of an electronic endoscope image area. According to the method, by designing and assembling independent lighting window light regulating mechanisms of a special light guide cable and a light source device, the brightness of the lighting light of the lighting window of an electronic endoscope is respectively adjusted, and thus the purposes of partially adjusting the brightness of a partial area of an electronic endoscope view field is achieved. According to the method provided by the invention, a light source device and an electronic endoscope device for respectively adjusting the lighting brightness of the partial area of the electronic endoscope camera view field are provided.
Description
Technical field
The present invention relates to medical electronic endoscopes imaging inspection technical field, is particularly useful for fujinon electronic video endoscope light supply apparatus and scope subregion and independently controls adjustment lighting engineering, and adopt the electronic endoscope system of this lighting engineering.
Background technology
Fujinon electronic video endoscope is that modern medical service checks one of requisite instrument, and it is directly used for observing human viscera organ's tissue morphology, significant for the early diagnosis of cancer.
Hyundai electronics endoscopic system is widely used irradiating illumination light and obtains the endoscope apparatus of endoceliac endoscopic images.In this endoscopic system, scope insertion section leading section is equipped with photographic head, use leaded light optical cable to import in body cavity from the illumination light of light supply apparatus, and by bounce lighting shot subject, by video processor, image pickup signal is carried out to image processing, thereby on observation monitor, show endoscopic images, observe the look-out stations such as affected part.
Endoscope light source unit is to make the illumination light of sending from high-intensity lamp by collecting lens optically focused, and incides leaded light optical cable, is generally on the incident end face of fibre bundle.Leaded light optical cable runs through and is inserted in operating portion and insertion section, and extends the leading section that is set to insertion section, and the illumination light being guided by leaded light optical cable penetrates from the front end face of leaded light optical cable, is irradiated to the object of observation from the leading section of insertion section.For adapting to the demand of the large view field imaging of photographic head, leaded light optical cable is more than two exit windows at scope insertion section fore-end, be arranged in around photographic head, make illumination light project uniformly the full visual field of photographic head, because illumination light brightness need be adjusted adaptation along with the type of fujinon electronic video endoscope and observation place change, so light supply apparatus is generally equipped with the iris apparatus for mechanically regulating light quantity.In prior art; document 1(Chinese invention patent application numbers 200810178773.3) a kind of comprising by the part of portions cut with the part of this portions cut of proposing form the diaphragm that overall arm is grouped into, it has makes all sizes that are all blocked from the light of illuminator; And can divide with described arm the motor of mechanical connection, motor rotation, rotate diaphragm with the top of dividing around arm, thereby regulate exposure.
The light source brightness adjustment approach of the propositions such as document 1 is all to control the total light flux that incides optical cable, leaded light optical cable several illuminating windows that no matter distribute around the leading section photographic head of scope insertion section, respectively export illuminating window brightness flop along with the light and shade of incident illumination changes corresponding change simultaneously.But in the time of endoscopy, in full field of view, subject can be not identical apart from the distance of object lens, the reflective characteristic in the tested district of different tissues is incomplete same, for example, in the time detecting the inboard pathological changes of fold of the such tube chamber thing of large intestine, because detected wall of the lumen is uneven, cause the brightness of image characteristic of zones of different in visual field inconsistent, when some regional luminance is saturated, some area illumination is also inadequate, cause image light and shade inequality, increase doctor's inspections and examinations difficulty, the situation of this image light and shade inequality is only proofreaied and correct and cannot be overcome by light supply apparatus brightness regulation.
Summary of the invention
For above-mentioned technical problem of the prior art, the present invention seeks to gather the inhomogeneous problem of brightness of image for medical electronic endoscopes, overcome existing fujinon electronic video endoscope light supply apparatus and cannot adjust the deficiency of scope photographic head visual field regional area brightness of illumination, a kind of scope photographic head visual field method that regional area brightness of illumination is adjusted is respectively provided, the method is by the illumination form independent dimming mechanism of the special leaded light optical cable of design and assembly and light supply apparatus, adjust respectively the illumination light brightness of scope illumination form, reach the object of scope visual field regional area brightness adjustment.According to the inventive method, provide a kind of scope photographic head visual field light supply apparatus and electronic endoscope apparatus that regional area brightness of illumination is adjusted respectively.
According to the embodiment of the present invention aspect, the invention provides configuration leaded light optical cable and import end optical fiber, according to scope leading section illumination form quantity and distribution, leaded light optical cable is set and imports end optical fiber layout; Adjust the diaphragm of light supply apparatus, thereby control light supply apparatus emergent light flux regions; The condenser lens of configuration light supply apparatus, thus make light supply apparatus diaphragm and leaded light optical cable incident end face about condenser lens optical system conjugation; Measure the brightness of illumination light region, and according to the endoscopic measurement image gathering, analytical calculation image region brightness distributes, and controls light supply apparatus stop position, and modulates Luminance Distribution in scope visual field.
According to another aspect of the embodiment of the present invention, the invention provides the device that a kind of fujinon electronic video endoscope photographic head visual field regional area brightness of illumination is adjusted respectively, comprise: leaded light fiber optic components, completes the corresponding coupled transfer in region that incident optical cable coupling light and optical cable output are thrown light on; Light supply apparatus area light flux regulates diaphragm, completes light supply apparatus output light Region control regulatory function; Illumination light region brightness measurement control module, completes tested lesion image regional luminance and measures calculating, diaphragm control function.
According to another aspect of the embodiment of the present invention, the invention provides the electronic endoscope system that a kind of photographic head visual field regional area brightness of illumination is adjusted respectively, comprise: scope mirror body, have leading section, it comprises the illumination optical system parts such as image pickup optical system and leaded light optical cable, insertion section of unifying; Light supply apparatus, has illuminating lamp source, and it penetrates endoscopic system required illumination light, and the light collecting part of gathered light, is configured on the optical axis of lamp source emergent light, and what lamp source was sent couples light to leaded light optical cable; Light modulation diaphragm, completes the Region control adjustment of light supply apparatus emergent light; Image processor, completion system control, webcam driver, image acquisition, visual field brightness of illumination distribution measuring calculate, diaphragm control survey selection function; Display, display image processor endoscopic image after treatment.
The invention has the beneficial effects as follows: the method that adopts endoscope's photographic head visual field regional area brightness of illumination to adjust respectively, image analysis calculation by fujinon electronic video endoscope image processing apparatus is measured Luminance Distribution feature in visual field, design light supply apparatus diaphragm, condenser lens and leaded light optical cable and to each other relation, subregion regulates the brightness of light supply apparatus emergent light, improve the visual quality that scope gathers image, improve scope pathological changes diagnosis effect.
Brief description of the drawings
Fig. 1 is the electronic endoscope system overall structure schematic diagram with mode of the present invention.
Fig. 2 is the leaded light optical fiber cables fibril encapsulation of a kind of embodiment and the end face schematic diagram of arranging.
Fig. 3 is the schematic configuration composition schematic diagram of the light supply apparatus key component of a kind of embodiment.
Fig. 4 is the light supply apparatus diaphragm composition structural representation of a kind of embodiment.
Fig. 5 is the position relationship schematic diagram of leaded light optical cable incident end face, condenser lens and the diaphragm of a kind of embodiment.
Fig. 6 is the blade of diaphragm position relationship schematic diagram that the leaded light optical cable incident end face optical fiber precursor of a kind of embodiment distributes after condenser lens composition picture relative to blade of diaphragm.
Detailed description of the invention
Below, the embodiment that present invention will be described in detail with reference to the accompanying.
Fig. 1 is the electronic endoscope system overall structure schematic diagram with mode of the present invention.
As shown in Figure 1, the present embodiment electronic endoscope apparatus has: as the scope mirror body 1 of observation section, endoscope image processing apparatus 2, the display monitor 4 of light supply apparatus 3.
In Fig. 1, scope mirror body 1 has and is inserted into endoceliac elongated insertion section 5, and is built-in with lighting unit 7 and image unit 8 at the leading section 6 of this insertion section 5.In insertion section 5, have the illumination light of transmission photoconduction optical cable 9, the exit end of photoconduction optical cable 9 is according to the illumination of scope leading section illumination form quantity respective branch, and the adapter 10 of incident end is connected with light supply apparatus 3 disassembled and assembled freely ground.
Endoscope image processing apparatus 2 is connected in endoscope 1 via adapter 11.Image processing apparatus 2 has in inside for driving the image sensor driver 12 in endoscope 1, camera video signal A/D transit storage 13, picture signal is converted to digital signal storage, image processing apparatus 2 also has luminance signal processing section 14 and color signal processing section 15, as the signal circuit for obtaining coloured image, there is brightness of image analysis part 16, for analytical calculation brightness of image Regional Distribution Characteristics, be sent to light supply apparatus 3 and control brightness output, there is image video signal composite part 17, synthetic standards image signal transmission is to monitor 4 displayed map pictures, core processor 18, be responsible for the management of computing of image processing apparatus 2.
Light supply apparatus 3 is connected with scope mirror body 1 by adapter 10, and illumination light is imported to scope leaded light optical cable 9, has: lamp source 19, for endoscopic system provides lighting source; Drive circuit 20, controls lighting of lamp source and cuts out; Infrared intercepting filter 21, the infrared ray of the light of its filtering lamp source 19 outgoing; Aperture device 22, is made up of multiple blades 23 and drive motors 24, controls respectively the logical light quantity of different piece on illumination path; Condenser lens assembly 25, is made up of one group of optical glass, and the optical coupling that lamp source is sent enters leaded light optical cable 9; Control circuit 26, controls drive motors 24 and moves, regulation output brightness, and each component commands of management light supply apparatus 3 is carried out.
Fig. 2 is the leaded light optical fiber cables fibril encapsulation of a kind of embodiment and the end face schematic diagram of arranging, and is equivalent to the structural representation of leaded light optical cable 9 in Fig. 1.
In Fig. 2, leaded light optical cable 9 is made up of the optical fiber precursor 27 of tens microns of diameters, and the quantity of optical fiber precursor is more, and the luminous flux of transmission is larger, and in illumination field of view, brightness is also larger.According to scope leading section 6 throw light on form quantity and brightness of illumination needs, leaded light optical cable 9 exit ends are divided into the branch of respective numbers, and the incident end optical cable of leaded light optical cable 9 is arranged and is respectively fan-shaped concentrating according to exit end branch and is distributed on leaded light optical cable 9 incident nose circle faces.
In Fig. 2, a view is that a scope leading section 6 form number that throws light on is 3 leaded light optical cable outgoing branch schematic diagram, b view is the assembling distribution schematic diagrams of 3 branch's leaded light optical cable and optical fibres precursor at incident end face, shown in figure, three branch optical fiber precursor quantity are identical, on nose circle face, be fan-shaped uniform, if branch optical fiber precursor quantity difference, in b view, fan-shaped angle is changed accordingly.C view is the assembling distribution schematic diagrams of 2 branch's leaded light optical cable and optical fibres precursor at incident end face, and d view is the assembling distribution schematic diagrams of 4 branch's leaded light optical cable and optical fibres precursor at incident end face.Uniformly need to from visual field illumination, the scope leading section 6 form number that throws light on is more, controlling each form brightness of illumination, to reach the effect of full visual field Uniform Illumination better, but illumination field of view increases, certainly will increase complexity and the volume of illumination optical system, and then the diameter of increase scope leading section 6, this is that endoscopy must be avoided, therefore scope illumination form can not infinitely increase.
Fig. 3 is the schematic configuration composition schematic diagram of the light supply apparatus key component of a kind of embodiment, is equivalent to the light supply apparatus 3 in Fig. 1.
In Fig. 3, the constant luminance directional light that send in lamp source 19 is first by the cutoff filter 21 in light path, filtering light mid-infrared light, avoid Infrared irradiation scope leading section, cause that raise burn patient or photographic head of temperature produces thermal noise, disturb image quality, the visible ray seeing through incides on aperture device 22, after the light modulation of diaphragm limit clear aperture, converge the incident end face that incides leaded light optical cable 9 through condenser lens assembly 25.Aperture device 22 action controls drive blade of diaphragm 23 rectilinear translations to realize by drive motors 24.
Fig. 4 is the light supply apparatus diaphragm composition structural representation of a kind of embodiment, is equivalent to the composition structural representation of aperture device 22 in Fig. 3.
In Fig. 4, blade of diaphragm 23 is made up of 4 identical 90 fan-shaped light tight of degree, be respectively 23a, 23b, 23c, 23d, straight-line displacement motor 24a, 24b, 24c, 24d drives respectively and controls blade of diaphragm 23a, 23b, 23c, 23d is by direction as shown translation, when blade of diaphragm 23 is when departing from light path center position and move, blade of diaphragm 23 shading light parts reduce, light clear aperture increases, illumination light brightness increases, when blade of diaphragm 23 is when approaching light path center position and move, blade of diaphragm 23 shading light parts increase, light clear aperture reduces, illumination light brightness deterioration, 23a ~ 23d moves respectively, can realize the logical light quantity in four regions on illumination path and control respectively adjustment.
Fig. 5 is the position relationship schematic diagram of leaded light optical cable incident end face, condenser lens and the diaphragm of a kind of embodiment.
In Fig. 5, according to implementation method of the present invention, the incident end face of leaded light optical cable 9 and blade of diaphragm 23 are optical conjugate imaging relations with respect to condenser lens assembly 25, and blade of diaphragm 23 is after condenser lens assembly 25, and image space is leaded light optical cable 9 incident end face positions just.If the equivalent focal length of condenser lens group 25 is f, blade of diaphragm 23 is L with respect to the object distance of condenser lens group 25, leaded light optical cable 9 incident end faces are l with respect to the image distance of condenser lens group 25, and the relative position relation of blade of diaphragm 23, condenser lens group 25 and leaded light optical cable 9 incident end faces meets:
1
In endoscopic system, the directional light bore that send in lamp source 19 is generally much larger than the bore of leaded light optical cable 9 incident ends, therefore, for the illumination light of effectively utilizing lamp source 19 to send, condenser lens group 25 need be designed to contracting bundle condenser system, make image planes diameter after blade of diaphragm 23 positions maximum emergent light bore mirror condenser lens group 25 imagings be less than the incident end face diameter of leaded light optical cable 9, if blade of diaphragm 23 positions maximum emergent light bore D, the incident end face diameter d of leaded light optical cable 9, blade of diaphragm 23, the relative position relation of condenser lens group 25 and leaded light optical cable 9 incident end faces meets simultaneously:
2
Fig. 6 is the blade of diaphragm position relationship schematic diagram that the leaded light optical cable incident end face optical fiber precursor of a kind of embodiment distributes after condenser lens composition picture relative to blade of diaphragm.
In Fig. 6, solid pattern represents that the incident end face optical fiber precursor of leaded light optical cable 9 distributes, dashed pattern represents blade of diaphragm 23 imaging in leaded light optical cable 9 incident end face positions after condenser lens group 15, and as shown in FIG., blade of diaphragm 23 is designed to 90 ° of fan shape of 4 drive.
In Fig. 6, a view represents that leaded light optical cable 9 exit ends do not have the situation of branch, be that scope leading section 3 form that throws light on is 1, now illumination end only has a branch of illumination light, the situation that does not exist illumination regional area to adjust, the incident end face optical fiber assembling of leaded light optical cable 9 distributes without subregion, and any one of driven in translation blade of diaphragm 23a ~ 23d, can realize the brilliance control to illumination light, increase the adjusting quantity of blade of diaphragm 23, can increase the dynamic range of brightness regulation.
In Fig. 6, b view represents that leaded light optical cable 9 exit ends have the situation of 2 branches, be that scope leading section 3 form that throws light on is 2, now illumination end has 2 bundle illumination light, can carry out respectively brightness of illumination adjustment, the incident end face optical fiber assembling of leaded light optical cable 9 distributes and is divided into 2 regions by exit end branch optical fiber, the conjugate image position relationship of condenser lens group 25 relative to blade of diaphragm 23 as shown in FIG., blade of diaphragm 23a, 23b controls the incident flux of leaded light optical cable 9 branches 1, blade of diaphragm 23c, 23d controls the incident flux of leaded light optical cable 9 branches 2, control blade of diaphragm 23a, 23b or 23c, the position of the relative optical axis center of 23d, can control respectively leaded light optical cable 9 branches 1, the incident flux of branch 2, realizing 2 regional luminances of scope leading section 3 illumination light independently adjusts.
In Fig. 6, c view represents that leaded light optical cable 9 exit ends have the situation of 3 branches, be that scope leading section 3 form that throws light on is 3, now illumination end has 3 bundle illumination light, can carry out respectively brightness of illumination adjustment, the incident end face optical fiber assembling of leaded light optical cable 9 distributes and is divided into 3 sector regions by exit end branch optical fiber, the conjugate image position relationship of condenser lens group 25 relative to blade of diaphragm 23 as shown in FIG., blade of diaphragm 23a, 23b controls leaded light optical cable 9 branches 1, 2 incident flux, blade of diaphragm 23c controls leaded light optical cable 9 branches 1, 3 incident flux, 23d controls leaded light optical cable 9 branches 2, 3 incident flux, control blade of diaphragm 23a, the position of the relative optical axis center of 23b, can control respectively leaded light optical cable 9 branches 1, the incident flux of branch 2, realize 1 of scope leading section 3 illumination light, 2 regional luminances are independently adjusted.In the time that 3 regional luminances of scope leading section 3 illumination light need independent adjustment, need combine control to blade of diaphragm 23, as 3 regional luminances of scope leading section 3 illumination light need to increase, the incident flux of leaded light optical cable 9 incident branches 3 needs to increase, control blade of diaphragm 23c when departing from light path center position and move, blade of diaphragm 23c shading light part reduces, leaded light fiber cable branch 1, 3 area light flux increase, control blade of diaphragm 23a when approaching light path center position and move simultaneously, leaded light fiber cable branch 1 luminous flux reduces, offset the impact that blade of diaphragm 23c moves on leaded light fiber cable branch 1 luminous flux, as 3 regional luminances of scope leading section 3 illumination light need to reduce, the incident flux of leaded light optical cable 9 incident branches 3 needs to reduce, control blade of diaphragm 23c when approaching light path center position and move, blade of diaphragm 23c shading light part increases, leaded light fiber cable branch 1, 3 area light flux reduce, control blade of diaphragm 23a when departing from light path center position and move simultaneously, leaded light fiber cable branch 1 luminous flux increases, offset the impact that blade of diaphragm 23c moves on leaded light fiber cable branch 1 luminous flux, thereby the illumination light brightness that realizes leaded light fiber cable branch 3 is independently adjusted.In like manner, blade of diaphragm 23d and 23b are controlled in combination, also can realize the illumination light brightness of leaded light fiber cable branch 3 is independently adjusted, and four blades of diaphragm 23 combine control simultaneously, can increase the illumination light brightness adjustment dynamic range of leaded light fiber cable branch 3.
According to the present embodiment, by the incident end optical fiber assembling layout of design leaded light optical cable and shape and the type of drive of blade of diaphragm, and the position relationship of the two relative condenser lens optical system, realize endoscope's photographic head visual field regional area brightness of illumination and adjust respectively control, image analysis calculation by fujinon electronic video endoscope image processing apparatus is measured Luminance Distribution feature in visual field, control diaphragm subregion and regulate the brightness of light supply apparatus emergent light, improve the visual quality that scope gathers image, improve scope pathological changes diagnosis effect, can find accurately the pathological changes in the unsmooth tube chambers such as large intestine.
Claims (7)
1. the method that fujinon electronic video endoscope photographic head visual field regional area brightness of illumination is adjusted respectively, comprising:
Configuration leaded light optical cable imports end optical fiber, according to scope leading section illumination form quantity and distribution, leaded light optical cable is set and imports end optical fiber layout;
Adjust the diaphragm of light supply apparatus, thereby control light supply apparatus emergent light flux regions;
The condenser lens of configuration light supply apparatus, thus make light supply apparatus diaphragm and leaded light optical cable incident end face about condenser lens optical system conjugation;
Measure the brightness of illumination light region, and according to the endoscopic measurement image gathering, analytical calculation image region brightness distributes, and controls light supply apparatus stop position, and modulates Luminance Distribution in scope visual field.
2. the device that fujinon electronic video endoscope photographic head visual field regional area brightness of illumination is adjusted respectively, comprising:
Leaded light fiber optic components, it can complete the corresponding coupled transfer in region of incident optical cable coupling light and optical cable output illumination;
Light supply apparatus area light flux regulates diaphragm, and it can complete light supply apparatus output light Region control regulatory function;
Illumination light region brightness measurement control module, it can complete tested lesion image regional luminance and measure calculating, diaphragm control function.
3. the electronic endoscope system that photographic head visual field regional area brightness of illumination is adjusted respectively, comprising:
Scope mirror body, has leading section, and it comprises illumination optical system unify image pickup optical system and leaded light optical cable, insertion section;
Light supply apparatus, has illuminating lamp source, and it penetrates endoscopic system required illumination light, and the light collecting part of gathered light, is configured on the optical axis of lamp source emergent light, and what lamp source was sent couples light to leaded light optical cable; According to illumination form quantity and the distribution of described leading section, leaded light optical cable is set and imports end optical fiber layout;
Light modulation diaphragm, it can complete the Region control adjustment of light supply apparatus emergent light; Described light modulation diaphragm and leaded light optical cable incident end face are about condenser lens optical system conjugation;
Image processor, it can be according to the endoscopic measurement image gathering, and analytical calculation image region brightness distributes, and controls light supply apparatus stop position, and modulates Luminance Distribution in scope visual field;
Display, display image processor endoscopic image after treatment.
4. electronic endoscope system according to claim 3, it is characterized in that, described leaded light optical cable is made up of optical fiber precursor, according to described leading section illumination form quantity and brightness of illumination needs, the exit end of described leaded light optical cable is divided into the branch of respective numbers, and the incident end optical cable of described leaded light optical cable is arranged and is respectively fan-shaped concentrated being distributed on the incident end face of described leaded light optical cable according to exit end branch.
5. electronic endoscope system according to claim 3, is characterized in that, described light modulation diaphragm comprises blade of diaphragm and regulates motor;
Described blade of diaphragm is made up of identical fan-shaped light tight of multi-disc;
Described adjusting motor comprises the straight-line displacement motor corresponding with blade of diaphragm difference, drive respectively control blade of diaphragm to carry out straight-line displacement, when blade of diaphragm is when departing from light path center position and move, blade of diaphragm shading light part reduces, light clear aperture increases, illumination light brightness increases, when blade of diaphragm is when approaching light path center position and move, blade of diaphragm shading light part increases, light clear aperture reduces, illumination light brightness deterioration, blade of diaphragm moves respectively, can realize the logical light quantity of regional on illumination path and control respectively adjustment.
6. electronic endoscope system according to claim 5, is characterized in that, described leading section illumination form quantity is 3.
7. electronic endoscope system according to claim 5, is characterized in that, described blade of diaphragm is made up of 4 identical 90 fan-shaped light tight of degree.
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| CN201310617018.1A CN104083144B (en) | 2013-11-28 | 2013-11-28 | The method and apparatus that a kind of fujinon electronic video endoscope image region brightness controls |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPWO2016079789A1 (en) * | 2014-11-17 | 2017-09-21 | オリンパス株式会社 | Endoscope device |
| CN112057046A (en) * | 2020-09-10 | 2020-12-11 | 南京诺源医疗器械有限公司 | Tumor fluorescence imaging spectrum diagnostic apparatus |
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| CN101175435A (en) * | 2005-05-13 | 2008-05-07 | 奥林巴斯医疗株式会社 | Biological observation apparatus |
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Effective date of registration: 20210122 Address after: 215163 Room 501, 5th floor, building 7, 78 Keling Road, science and Technology City, high tech Zone, Suzhou City, Jiangsu Province Patentee after: Suzhou Xisheng Technology Co.,Ltd. Patentee after: BEIJING HUACO HEALTHCARE TECHNOLOGIES Co.,Ltd. Address before: 100195 building 26, Tsinghua Science Park, 3 minzhuang Road, Haidian District, Beijing Patentee before: BEIJING HUACO HEALTHCARE TECHNOLOGIES Co.,Ltd. |
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Address after: Room 501, 5th Floor, Building 7, No.78 Keling Road, Science and Technology City, High tech Zone, Suzhou City, Jiangsu Province, 215163 Patentee after: Suzhou Xisheng Technology Co.,Ltd. Patentee after: Beijing Lepu Zhiying Technology Co.,Ltd. Address before: 215163 Room 501, 5th floor, building 7, 78 Keling Road, science and Technology City, high tech Zone, Suzhou City, Jiangsu Province Patentee before: Suzhou Xisheng Technology Co.,Ltd. Patentee before: BEIJING HUACO HEALTHCARE TECHNOLOGIES Co.,Ltd. |