CN210494034U - Traditional Chinese medicine eye diagnosis instrument light source device - Google Patents

Traditional Chinese medicine eye diagnosis instrument light source device Download PDF

Info

Publication number
CN210494034U
CN210494034U CN201920801185.4U CN201920801185U CN210494034U CN 210494034 U CN210494034 U CN 210494034U CN 201920801185 U CN201920801185 U CN 201920801185U CN 210494034 U CN210494034 U CN 210494034U
Authority
CN
China
Prior art keywords
eye
light source
led
traditional chinese
illumination
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
Application number
CN201920801185.4U
Other languages
Chinese (zh)
Inventor
王东
李航
任志涛
骆学荣
杨晓明
邢婉丽
程京
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tsinghua University
CapitalBio Corp
Original Assignee
CapitalBio Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CapitalBio Corp filed Critical CapitalBio Corp
Priority to CN201920801185.4U priority Critical patent/CN210494034U/en
Application granted granted Critical
Publication of CN210494034U publication Critical patent/CN210494034U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Eye Examination Apparatus (AREA)

Abstract

The utility model relates to a traditional Chinese medicine visual diagnosis instrument light source device, which comprises a shell, an eye positioning device and a control device, wherein the eye positioning device is arranged at one end of the shell and is used for determining the placement position of eyes to be detected; the iris illuminating device is positioned in the shell in front of the eye positioning device and used for providing illuminating light rays, so that the illuminating light rays are obliquely emitted into the black eye of the eye to be measured through the positioning hole to illuminate the back light; the sclera illumination device is positioned in the shell behind the iris illumination device and used for providing illumination light, and the illumination light is obliquely emitted into the white eye of the eye to be measured through the positioning hole to illuminate the back light; the image acquisition device is positioned in the shell behind the sclera illumination device and is used for acquiring an iris or sclera image of the eye to be detected; the mode switching device is respectively connected with the iris illumination device, the sclera illumination device and the image acquisition device through a power line, a control line and a data line and is used for switching the illumination mode and receiving the acquired image.

Description

Traditional Chinese medicine eye diagnosis instrument light source device
Technical Field
The utility model relates to a traditional Chinese medicine eye diagnosis instrument light source device for monitoring human health, which relates to the technical field of medical instruments.
Background
Eyes, also known as eyes, eyeball, eyes, etc., are visual organs, and therefore, they are also called "visual instruments". The "eye" is located within the orbit. From the perspective of traditional Chinese medicine, the "eyes" can see objects and also can be used as a door for observing the life state of human body, and can be called as "Mingmen" according to the theory of the "Nei Jing". This is because the eyes are closely related to the viscera of the whole body through qi and blood of meridians and collaterals, and have corresponding anatomical, physiological and pathological bases reflecting the life status. Routine examinations of the eye include anterior segment examination and fundus examination; the examination of the anterior segment of the eye includes the detection of the iris, pupil, white eye and the like, and according to the holographic medical theories of traditional Chinese medicine visual inspection, iridography and the like, the examination can not only represent the self health condition, but also can peep other health conditions of people. The main characteristics of the iris include pits, spots, cracks, lines, color, density, etc. The main characteristics of the sclera include color, blood vessels, and changes in local morphology (spots, dots, hills, bars, hills, bubbles, fog, etc.), among others. These forms have been of great significance in diagnostic methods of traditional Chinese medicine as important signs for inspection and diagnosis of traditional Chinese medicine. Systemic diseases can cause eye changes, and abnormal manifestations of the eye can reflect the systemic disease and its severity.
In the prior art, traditional Chinese medicine eye diagnosis instruments for human health detection exist, but the traditional Chinese medicine eye diagnosis instruments mainly focus on white eyes, namely sclera diagnosis, and a single iris instrument is also used for iris analysis. There is no technique for simultaneous acquisition of the iris and sclera. The prior art discloses a white-eye imaging device, which comprises a positioning device, a light source, an image acquisition device and the like, wherein an image of the light source is positioned on an iris part in a sclera image, the characteristic influence of the image of the light source on the sclera image is small, but a plurality of light source reflection points are arranged in an illumination cavity between the eye positioning device and a light source seat as well as the image acquisition device, the reflection points can form large light spots at the combination part of the iris and the sclera, the positioning device has a more obvious image in the iris, the light spots and the image have large influence on the quality of the image, and the device only acquires the image of the white-eye and does not consider the image of the iris. The prior art also discloses a card machine iris apparatus, which obtains an iris image by adding an objective lens in front of the card machine, but does not relate to a light source, under the condition that no special light source is provided, the image definition of the iris apparatus is not enough, and the iris form required by health analysis can not be accurately and effectively obtained. Furthermore, the characteristics of the sclera are not available to the irimeter.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model aims at providing a can accurately obtain traditional chinese medical science eye diagnosis appearance light source device that iris and sclera formed images.
In order to achieve the purpose, the utility model adopts the following technical proposal: a traditional Chinese medicine eye diagnosis instrument light source device comprises:
a shell body, a plurality of first connecting rods and a plurality of second connecting rods,
the eye positioning device is arranged at one end of the shell and used for determining the placement position of the eye to be measured, and a positioning hole for placing the eye to be measured is formed in the center of the eye positioning device;
the iris illuminating device is positioned in the shell in front of the eye positioning device and used for providing illuminating light rays, so that the illuminating light rays are obliquely injected into the black eye of the eye to be measured through the positioning hole to illuminate the black eye;
the sclera illumination device is positioned in the shell behind the iris illumination device and used for providing illumination light, and the illumination light is obliquely emitted into the white eye of the eye to be measured through the positioning hole to illuminate the white eye;
the image acquisition device is positioned in the shell behind the sclera illumination device and is used for acquiring an iris or sclera image of the eye to be detected;
the mode switching device is respectively connected with the iris illumination device, the sclera illumination device and the image acquisition device through a power line, a control line and a data line and is used for switching the illumination mode and receiving the acquired image.
The traditional Chinese medicine eye diagnosis instrument light source device is characterized in that all light reflecting devices in the shell are dark or black to form an opaque light reflecting cavity.
The iris lighting device comprises two groups of LED light sources which are circumferentially arranged, the first group of LED light sources and the second group of LED light sources are symmetrically arranged relative to the eye positioning device, and the two groups of LED light sources form two images on the iris of the eye to be detected respectively.
The traditional Chinese medicine eye diagnosis instrument light source device is characterized in that each group of LED light sources comprises two LED point light sources, and an included angle formed by the two LED point light sources and eyes in each group is 100-140 degrees; the vertical distance between a light source plane formed by the two groups of LED light sources and eyes is 8mm to 30mm, and the linear distance between the two LED point light sources in the same group is 50mm to 80 mm.
The traditional Chinese medicine visual diagnosis instrument light source device is characterized in that the sclera illumination device comprises four LED point light sources which are arranged up and down, left and right, wherein the left and right LED point light sources and the upper and lower LED point light sources are symmetrical relative to eyes and are arranged in front of the eye positioning device.
The traditional Chinese medicine eye diagnosis instrument light source device is characterized in that the vertical distance between a light source plane formed by the four LED point light sources and eyes is 80-120 mm, the included angle formed by the left light source, the right light source and the eyes is 70-90 degrees, and the included angle formed by the upper light source, the lower light source and the eyes is 50-70 degrees.
The traditional Chinese medicine eye diagnosis instrument light source device is characterized in that at least 1 LED point light source in the four LED point light sources forms an eyelid lighting device for eyelid examination imaging lighting.
The light source device of the traditional Chinese medicine visual diagnosis instrument further comprises a computer, a main control chip and LED light source drivers, wherein the output end of the computer is connected with the input end of the main control chip, the output ends of the main control chip are connected with the LED light source drivers in parallel, the LED light source drivers are respectively connected with the LED light sources, and the computer controls the opening and closing of the LED point light sources by driving the LED light source drivers through controlling an I/0 port of the main control chip.
The traditional Chinese medicine eye diagnosis instrument light source device is characterized in that the shape of the eye positioning device is an ellipse which is similar to the shape of eyes, and the part which is in contact with the eyes is made of soft materials which conform to the biocompatibility.
The traditional Chinese medicine visual diagnosis instrument light source device is characterized in that the positioning hole is circular or oval.
The utility model discloses owing to take above technical scheme, it has following advantage: the utility model discloses an eyes positioner, iris lighting device, sclera lighting device, be used for weakening reflection of light and interference image's in iris and the sclera image illumination chamber and the mode switching device that do not reflect light, this lighting device is used for the multi-feature traditional chinese medical science eye of health monitoring to examine the appearance, cooperates this lighting device, traditional chinese medical science eye examines the appearance and not only can gather sclera physiological information, can also gather the iris and even the physiological information of eyelid. The extraction of more comprehensive characteristics is helpful for more comprehensively judging the health characteristics of people.
Drawings
Fig. 1 is a schematic structural view of a traditional Chinese medicine visual diagnosis instrument provided by an embodiment of the present invention;
fig. 2 is a schematic structural view of an iris illumination device provided in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of the position and angle of the iris illumination device provided by the embodiment of the present invention;
fig. 4(a) is a schematic structural diagram of a scleral illumination device according to an embodiment of the present invention;
FIG. 4(b) is an I-I view of FIG. 4 (a);
fig. 5 is a schematic diagram of a hardware circuit of a mode switching device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the light source device of the eye inspection instrument for traditional chinese medicine capable of acquiring both iris and scleral eye image features provided in this embodiment includes:
the eye positioning device comprises a shell 1, an eye positioning device 2 is arranged on one side of the shell 1, an iris illuminating device 3, a sclera illuminating device 4, an image collecting device 5 and a mode switching device 6 are fixedly arranged in the shell 1, wherein all reflecting devices in the shell 1 form an opaque reflecting cavity by adopting dark colors or black colors with low reflecting rate, namely the non-reflecting illuminating cavity is a cavity formed by the inner surface of the shell and all surfaces which can be irradiated to an area by a light source.
The eye positioning device 2 is used for determining the placement position of the eye to be measured, a positioning hole 21 is arranged in the middle of the eye positioning device 2, the positioning hole 21 can be circular or oval, and the eye is placed on the positioning hole 21 when the eye positioning device is used;
iris lighting device 3 is located eyes positioner 2 and awaits measuring eyes and places the one side of opposite direction, and iris lighting device 3 is fixed to be set up between eyes positioner 2 and image acquisition device 5 promptly for provide illumination light, make illumination light shine the black eyeball of the eyes of awaiting measuring through locating hole 21 oblique incidence backlight, and the image in the illumination chamber of not reflecting light and light source also can project beyond iris edge and edge through the reflection in the illumination chamber of not reflecting light.
The sclera illumination device 4 is positioned between the iris illumination device 3 and the image acquisition device 5 and used for providing illumination light, the illumination light is obliquely emitted into the white eye of the eye to be measured through the positioning hole 21 to illuminate the white eye, and the image of the non-reflective illumination cavity and the reflection of the light source through the non-reflective illumination cavity can be projected into the iris of the eye to be measured.
The image acquisition device 5 is used for acquiring an iris or sclera image of the eye to be detected under the irradiation of the illumination device;
the mode switching device 6 is respectively connected with the iris illumination device 3, the sclera illumination device 4 and the image acquisition device 5 through a power line, a control line and a data line, and is used for switching the illumination mode and receiving the acquired image.
In the light source device of the eye diagnosis instrument of the traditional Chinese medicine, preferably, the shape of the eye positioning device 2 can be set to be an ellipse shape which is similar to the shape of the eyes, and the part which is in contact with the eyes can be made of soft materials which conform to the biocompatibility type.
The light source device of the traditional Chinese medicine eye diagnosis instrument preferably comprises a plurality of groups of light sources, wherein two light sources in each group are bilaterally symmetrical relative to the eye positioning device 2, the positions of image points of each group of light sources in iris images are different, the iris images are combined to ensure the completeness of iris characteristics, and meanwhile, the eye fundus can be photographed, specifically, as shown in fig. 2, the iris illumination device 3 of the embodiment comprises two groups of circumferentially arranged LED light sources, the first group of LED light sources are 31L and 31R, the second group of LED light sources are 32L and 32R, the first group of LED light sources and the second group of LED light sources are both arranged on two sides of the eye positioning device 2 and are symmetrically arranged relative to the eye positioning device 2, and the two groups of LED light sources form two images on the iris of the eye to be measured respectively. Because the positions of the light source image points in the two images are different, the traditional Chinese medicine eye diagnosis instrument performs combination processing when extracting the characteristics, ensures the complete characteristics of the iris instrument and can clearly shoot the eyeground image. As shown in fig. 3, an included angle a formed by the two LED point light sources of each group and the eyes is 100 ° to 140 °, a vertical distance B of a light source plane formed by the two groups of LED light sources relative to the eyes is 8mm to 30mm, and correspondingly, according to the width value of the eyes of a human body, a linear distance C between the two LED point light sources in the same group is 50mm to 80 mm; the brightness of each LED point light source is within 3 lumens, if the brightness is too bright, the eyes can be greatly injured, and the color of each LED point light source can be white or yellow.
In the light source device of the eye diagnosis instrument in the above-mentioned traditional Chinese medicine, preferably, as shown in fig. 4, the sclera illumination device 4 is composed of not less than 1 LED point light source. Specifically, the sclera illumination device 4 is arranged on the eye positioning device 1, the sclera illumination device 4 is composed of four LED point light sources, the four LED point light sources are respectively arranged at four positions, namely an upper position, a lower position, a left position, a right position, an upper position and a right position, wherein the left light source, the right light source, the upper position and the lower position are symmetrical relative to the eye, the vertical distance B between a light source plane formed by the four LED point light sources and the eye is 80mm to 120mm, the included angle A formed by the left light source, the right light source and the eye is 70; wherein, the illumination of each LED point light source is 115 +/-5 lx, the color temperature is 5400 +/-300K, and the display index Ra is more than or equal to 95. In addition, not less than 1 group of LED point light sources in the four light sources can also form an eyelid lighting device for eyelid examination imaging lighting.
The above-mentioned light source device of the eye diagnosis instrument of traditional Chinese medicine, preferably, as shown in fig. 5, the mode switching device 6 can switch intelligently between the iris collecting mode and the sclera collecting mode, and turn on the corresponding light source accurately, including the computer, the main control chip and the LED light source driver, the output end of the computer is connected with the input end of the main control chip, each output end of the main control chip is connected with each LED light source driver in parallel, each LED light source driver is connected with each LED light source respectively, the computer controls the on and off of each LED light source by driving each LED light source driver through controlling the I/0 (input/output) port of the main control chip, wherein, the main control chip can adopt stm32f101, the LED light source driver is the existing device, corresponding matched LED light source drivers can be adopted according to the actually used LED light sources, in addition, the computer is also connected with the image acquisition device for acquiring the acquired iris or sclera image.
Above-mentioned traditional chinese medical science eye diagnosis appearance light source device, preferably, the cavity surface in the illumination chamber of not reflecting light can absorb or the less illuminating light of reflection light source, the illumination environment of surveyed eyes can be influenced to the light through the reflection, also can partly get into figure collection system 4 and change image acquisition system's exposure parameter and then influence image quality, on the other hand, the illumination chamber of not reflecting light is the position that eyes directly seen, its shape and color can form images in eyes, and then appear forming the noise in the eye image, consequently, the color in illumination chamber of not reflecting light should be dark colour or black of low reflectance, the shape is the relatively smooth plain noodles of curvature that does not have closed angle and edges and corners etc..
The specific using process of the light source device of the traditional Chinese medicine visual diagnosis instrument of the utility model is described in detail through the specific embodiment below:
the doctor can firstly use the eyelid illuminating device to examine the eyelid of the patient, then independently turn on the sclera or the iris illuminating device to examine the health condition of the sclera or the iris, and finally summarize the three examination results to give a more comprehensive visual report.
Appropriate changes and modifications to the embodiments described above will become apparent to those skilled in the art from the disclosure and teachings of the foregoing description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims (10)

1. A traditional Chinese medicine eye diagnosis instrument light source device is characterized by comprising:
a shell body, a plurality of first connecting rods and a plurality of second connecting rods,
the eye positioning device is arranged at one end of the shell and used for determining the placement position of the eye to be measured, and a positioning hole for placing the eye to be measured is formed in the center of the eye positioning device;
the iris illuminating device is positioned in the shell in front of the eye positioning device and used for providing illuminating light rays, so that the illuminating light rays are obliquely injected into the backlight through the positioning hole to illuminate the black eye of the eye to be measured;
the sclera illumination device is positioned in the shell behind the iris illumination device and used for providing illumination light, and the illumination light is obliquely emitted into the white eye of the eye to be measured through the positioning hole to illuminate the white eye;
the image acquisition device is positioned in the shell behind the sclera illumination device and is used for acquiring an iris or sclera image of the eye to be detected;
the mode switching device is respectively connected with the iris illumination device, the sclera illumination device and the image acquisition device through a power line, a control line and a data line and is used for switching the illumination mode and receiving the acquired image.
2. The light source device of the eye diagnosis instrument in traditional Chinese medicine according to claim 1, wherein all the reflectors inside the housing are dark or black to form an opaque reflector cavity.
3. The light source device of the eye diagnosis instrument in traditional Chinese medicine of claim 1, wherein the iris illumination device comprises two sets of circumferentially arranged LED light sources, the first set of LED light sources and the second set of LED light sources are both symmetrically arranged with respect to the eye positioning device, and the two sets of LED light sources respectively form two images on the iris of the eye to be measured.
4. The traditional Chinese medicine eye diagnosis instrument light source device according to claim 3, wherein each group of the LED light sources comprises two LED point light sources, and an included angle formed by the two LED point light sources and the eyes of each group is 100-140 degrees; the vertical distance between a light source plane formed by the two groups of LED light sources and eyes is 8mm to 30mm, and the linear distance between the two LED point light sources in the same group is 50mm to 80 mm.
5. The light source device of the eye diagnosis instrument of traditional Chinese medicine of claim 1, wherein the sclera illumination device comprises four LED point light sources, an upper LED point light source, a lower LED point light source, a left LED point light source, a right LED.
6. The light source device of the eye diagnosis instrument of traditional Chinese medicine of claim 5, wherein the vertical distance between the light source plane formed by the four LED point light sources and the eyes is 80mm to 120mm, the included angles between the left and right light sources and the eyes are 70 ° to 90 °, and the included angles between the upper and lower light sources and the eyes are 50 ° to 70 °.
7. The traditional Chinese medicine visual diagnosis instrument light source device according to claim 5 or 6, wherein no less than 1 of the four LED point light sources form an eyelid lighting device for eyelid examination imaging lighting.
8. The light source device of the eye diagnosis instrument in traditional Chinese medicine according to any one of claims 4 to 6, wherein the mode switching device comprises a computer, a main control chip and LED light source drivers, an output end of the computer is connected with an input end of the main control chip, output ends of the main control chip are connected in parallel with the LED light source drivers, the LED light source drivers are respectively connected with the LED light sources, and the computer controls the opening and closing of the LED light source by controlling an I/0 port of the main control chip and driving the LED light source drivers.
9. The light source device of the eye diagnosis instrument of the traditional Chinese medicine according to any one of claims 1 to 6, wherein the shape of the eye positioning device is set to be an ellipse shape which is similar to the eye, and the part which is in contact with the eye is made of a soft material which conforms to the biocompatible type.
10. The light source device of the eye diagnosis instrument for traditional Chinese medicine according to any one of claims 1 to 6, wherein the positioning hole is circular or elliptical.
CN201920801185.4U 2019-05-30 2019-05-30 Traditional Chinese medicine eye diagnosis instrument light source device Active CN210494034U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920801185.4U CN210494034U (en) 2019-05-30 2019-05-30 Traditional Chinese medicine eye diagnosis instrument light source device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920801185.4U CN210494034U (en) 2019-05-30 2019-05-30 Traditional Chinese medicine eye diagnosis instrument light source device

Publications (1)

Publication Number Publication Date
CN210494034U true CN210494034U (en) 2020-05-12

Family

ID=70577055

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920801185.4U Active CN210494034U (en) 2019-05-30 2019-05-30 Traditional Chinese medicine eye diagnosis instrument light source device

Country Status (1)

Country Link
CN (1) CN210494034U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110063711A (en) * 2019-05-30 2019-07-30 博奥生物集团有限公司 Chinese medicine mesh examines instrument light supply apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110063711A (en) * 2019-05-30 2019-07-30 博奥生物集团有限公司 Chinese medicine mesh examines instrument light supply apparatus

Similar Documents

Publication Publication Date Title
US9918622B2 (en) Device and method for determining the presence of middle ear fluid
US20210275009A1 (en) Self-Illuminated Handheld Lens for Retinal Examination and Photography and Related Method thereof
US9380938B2 (en) System and methods for documenting and recording of the pupillary red reflex test and corneal light reflex screening of the eye in infants and young children
ES2222914T3 (en) DEVICE FOR DETERMINING A QUANTIA OF CORNEAL ABLATION.
US5360010A (en) Vascular entoptoscope
JP5026741B2 (en) Operation method of ophthalmic examination apparatus
CN105310646B (en) The human health status being imaged based on white of the eye without shadow is in body analysis system
CN106580244A (en) Portable infrared eccentric photorefraction system
US9384681B2 (en) Model newborn human eye and face manikin
CN105520713A (en) Binocular pupil light reflex measuring equipment
CN210494034U (en) Traditional Chinese medicine eye diagnosis instrument light source device
CN114530082B (en) Ophthalmologic simulation teaching device and method
CN204614327U (en) Funduscopy simulated teaching instrument
CN102078182B (en) Panretinal optical function imaging system
CN110063711A (en) Chinese medicine mesh examines instrument light supply apparatus
US20230145641A1 (en) An illumination device for tear film lipid layer on ocular surface attached to an ophthalmic slit lamp microscope
Bradley et al. Entoptic image quality of the retinal vasculature
CN106821302B (en) A kind of multispectral eyeground camera system
Timberlake et al. The direct ophthalmoscope how it works and how to use it
CN210871524U (en) Binocular stereo and image-guided fundus camera
GB2570939A (en) Imaging device and method of imaging a subject's eye
CN201948993U (en) Panretinal optical function imaging system
RU175913U1 (en) FRONT EYE SEGMENT LIGHT
TWI851417B (en) Ophthalmic examination system and physiological information capture device and ophthalmic examination method thereof
JP7214270B2 (en) STATE ESTIMATING DEVICE AND METHOD OF THE INTERNAL TISSUE OF EYE

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20240918

Address after: 102206 No. 18, life science Road, Beijing, Changping District

Patentee after: CAPITALBIO Corp.

Country or region after: China

Patentee after: TSINGHUA University

Address before: 102206 No. 18, life science Road, Beijing, Changping District

Patentee before: CAPITALBIO Corp.

Country or region before: China

TR01 Transfer of patent right