CN105305022A - Anti-corrosion implantable medical diagnostic device - Google Patents
Anti-corrosion implantable medical diagnostic device Download PDFInfo
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- CN105305022A CN105305022A CN201510638226.9A CN201510638226A CN105305022A CN 105305022 A CN105305022 A CN 105305022A CN 201510638226 A CN201510638226 A CN 201510638226A CN 105305022 A CN105305022 A CN 105305022A
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- 238000005260 corrosion Methods 0.000 title claims abstract description 7
- 238000004891 communication Methods 0.000 claims abstract description 23
- 230000005855 radiation Effects 0.000 claims description 49
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 abstract description 15
- 238000013461 design Methods 0.000 abstract description 8
- 238000003745 diagnosis Methods 0.000 abstract description 4
- 230000004308 accommodation Effects 0.000 abstract 1
- 230000035807 sensation Effects 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 10
- 101150006573 PAN1 gene Proteins 0.000 description 7
- 238000002513 implantation Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 208000035824 paresthesia Diseases 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000001194 anti-hemostatic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000013401 experimental design Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
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Abstract
The invention discloses an anti-corrosion implantable medical diagnostic device. The anti-corrosion implantable medical diagnostic device comprises an implantable electronic medical unit and further comprises a disc-shaped bottom casing, wherein the bottom casing is internally provided with an accommodation chamber used for accommodating the implantable electronic medical unit, an isolation board covering an opening of the bottom casing is further comprised, the isolation board is further provided with a disc-shaped middle casing used for disposing an antenna, a cover casing used for covering an opening of the middle casing is further comprised, and the middle casing is internally provided with a communication antenna for enabling the implantable electronic medical unit to communicate with the external part. According to the anti-corrosion implantable medical diagnostic device, the structure is reasonable, no prickly sensation is exerted on a body, the internal structure is reasonable in design, the frequency scope of the antenna arranged in the diagnostic device is wide, the isolation degree is relatively good, gain is high, a relatively good mounting module is provided for development of implantable medical diagnosis devices, for companies, implantable electronic medical units should be designed to be in corresponding shapes and thickness or sizes so that the implantable electronic medical units can be arranged in the bottom casing, so relatively good communication quality can be realized.
Description
Technical field
The present invention relates to a kind of anticorrosion implantable medical diagnostic device.
Background technology
At present, implantation medical equipment kind is a lot, as Implanted cardiac pacemaker, brain pacemaker, nerve stimulator, muscle stimulator, electrocardiorecorder etc., also there is now the diagnostor be implanted in human body, for the heartbeat of real-time diagnosis patient, pulsation, blood pressure or other information, the same with other implantation medical equipments, it still needs to communicate with the external world, information could be spread out of in real time.Current diagnosis device is generally by dingus box and the implanted electron medical treatment unit be located in device box of unique design; Add for allowing implanted electron medical treatment unit form with extraneous antenna, implanted electron medical treatment unit is generally containing testing circuit, detector, battery etc.But, all there is certain problem in implantable medical diagnostor, comprise battery life, material etc., but a wherein maximum problem is exactly the quality of communication quality, because its space size of implantable medical diagnostic device is limited, therefore the antenna often put in the inner all has that frequency range is narrow, isolation is poor, the shortcoming such as at the bottom of gain, and this drastically influence communication quality and therefore also drastically influence quality of diagnosis.Therefore, designing its built-in aerial a can have the implantable medical device of larger isolation and wider band limits to be need problem in the urgent need to address badly; In addition, also need solve be implantable medical diagnostor structure structure, device effectively can reduce the tingling sensation to health, again can be rational in infrastructure.
Summary of the invention
The object of the invention is to overcome above-described shortcoming, a kind of anticorrosion implantable medical diagnostic device is provided.
For achieving the above object, concrete scheme of the present invention is as follows: a kind of anticorrosion implantable medical diagnostic device, includes implanted electron medical treatment unit, also include plate-like drain pan, is provided with the container cavity for holding implanted electron medical treatment unit in described drain pan; Also include the division board being covered in drain pan opening; Described division board is provided with the plate-like mesochite for placing antenna; Also include the lid shell for shell opener in covering; The communication antenna for allowing implanted electron medical treatment unit communicate with the external world is provided with in described mesochite.
Wherein, the top of described lid shell is arc surface.
Wherein, described communication antenna include one by outside first to the regular hexagon housing that head and the tail outside the 6th connect successively; Described communication antenna also includes a regular hexagon inside casing connected successively to the 6th inner edge head and the tail by the first inner edge;
Also include three identical oscillator unit, described oscillator unit includes the first support arm and the second support arm; Described first support arm extends to the second support arm lopsidedness the first oblique arm, and described second support arm extends to the first support arm lopsidedness the second oblique arm; Described first oblique arm is identical with horizontal plane angle with the second oblique arm, and length is identical; The first radiating element is provided with between described first support arm and the second support arm; The second radiating element is provided with between described first oblique arm and the second oblique arm;
Described first radiating element includes the first transverse arm that one end is connected to the first support arm, and the free end of described first transverse arm extends obliquely the first support arm, described first support arm is extended with obliquely multiple the first parallel radiation arm; Also include the second transverse arm that one end is connected to the second support arm, the free end of described second transverse arm extends obliquely the second support arm, described second support arm is extended with obliquely multiple corresponding with the first radiation arm and the second radiation arm be arranged in parallel;
Described second radiating element includes the 3rd transverse arm that one end is connected to the first oblique arm, and the free end of described 3rd transverse arm is provided with three support arm vertical with the 3rd transverse arm, and described 3rd support arm is vertically extended with many articles of the 3rd radiation arms to the second oblique arm side; Also include the 4th transverse arm that one end is connected to the second oblique arm, the free end of described 4th transverse arm is provided with four support arm vertical with the 4th transverse arm, and described 4th support arm is vertically extended with many articles of the 4th radiation arms to the first oblique arm side; Described 3rd radiation arm and the 4th radiation arm arranged in a crossed manner;
First support arm of described three oscillator unit is connected with the first inner edge, the 3rd inner edge, the 6th inner edge respectively, and the second support arm of described three oscillator unit is connected respectively with outside first, outside the 3rd, outside the 6th;
Described division board is orthohexagonal metallic plate, and described division board is provided with multiple hexagonal through hole.
Wherein, described first radiation arm is identical with the quantity of the second radiation arm; If the quantity of described first radiation arm is N; Described 3rd radiation arm is identical with the quantity of the 4th radiation arm; If the quantity of the 3rd radiation arm is M; Described N=M*3+1; Described hexagon number of openings is M*6.
Wherein, described first support arm is identical with the width of the second support arm.
Wherein, the multiple clearance holes be located on the 3rd support arm and the 4th support arm are also included; Described clearance hole diameter is no more than 1mm.
Wherein, the quantity of described clearance hole is four.Wherein, the 3rd radiation arm is identical to the distance of the 3rd support arm with the 4th radiation arm to the distance of the 4th support arm.Wherein, the bottom surface of described drain pan and the end face of lid shell are equipped with the binding groove for both being tightened together; Wherein, the outer surface of described drain pan and lid shell is all coated with food-grade corrosion-resistant coating; Wherein, described drain pan opening is provided with O-ring seal, and the opening of described mesochite is also provided with O-ring seal.
Beneficial effect of the present invention is: it is rational in infrastructure, arrange rationally without tingling sensation, internal structure human body, it puts antenna frequencies wide ranges in the inner, isolation is better, gain is high; Research and development for implantable medical diagnostor provide good installation module, each company only need the implanted electron medical treatment Unit Design of oneself to become can insert this drain pan shape and thickness or size, just can realize good communication quality.
Accompanying drawing explanation
Fig. 1 is that the present invention skims the sectional view of antenna part;
Fig. 2 is the vertical view of communication antenna of the present invention;
Fig. 3 is the vertical view of division board of the present invention;
Fig. 4 is the structural representation of oscillator unit of the present invention;
Fig. 5 is the frequency range emulation testing figure that communication antenna of the present invention and division board do not conform to timing;
Fig. 6 is the frequency range emulation testing figure that communication antenna of the present invention and division board close timing;
Fig. 7 is the directional diagram of communication antenna of the present invention;
Description of reference numerals in Fig. 1 to Fig. 7:
1-drain pan; 2-division board; 21-through hole; 3-mesochite; 4-O-ring seal; 5-lid shell; 6-bundlees groove;
Outside 71-first; 81-first inner edge;
911-first support arm; 912-second support arm;
921-first oblique arm; 922-second oblique arm; 931-first transverse arm; 932-second transverse arm; 933-the 3rd transverse arm; 934-the 4th transverse arm; 941-first support arm; 942-second support arm; 943-the 3rd support arm; 944-the 4th support arm; 951-first radiation arm; 952-second radiation arm; 953-the 3rd radiation arm; 954-the 4th radiation arm.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation, is not practical range of the present invention is confined to this.
Embodiment 1.
As shown in Figures 1 to 7, the anticorrosion implantable medical diagnostic device of the one described in the present embodiment, includes implanted electron medical treatment unit, also includes plate-like drain pan 1, is provided with the container cavity for holding implanted electron medical treatment unit in described drain pan 1; Also include the division board 2 being covered in drain pan 1 opening; Described division board 2 is provided with the plate-like mesochite 3 for placing antenna; Also include the lid shell 5 for covering mesochite 3 opening; The communication antenna for allowing implanted electron medical treatment unit communicate with the external world is provided with in described mesochite 3.The present invention is that the research and development of implantable medical diagnostor provide good installation module, each company only need the implanted electron medical treatment Unit Design of oneself to become can insert this drain pan 1 shape and thickness or size, just can realize good communication quality.The anticorrosion implantable medical diagnostic device of one described in the present embodiment, the top of described lid shell 5 is arc surface.It can effectively prevent from stabbing or shouting pain patient, alleviates the implantation pain of patient.
The anticorrosion implantable medical diagnostic device of one described in the present embodiment, described communication antenna includes one by the regular hexagon housing that head and the tail connect successively outside the 71 to the 6th outside first; Described communication antenna also includes a regular hexagon inside casing connected successively to the 6th inner edge head and the tail by the first inner edge 81; Also include three identical oscillator unit, described oscillator unit includes the first support arm 911 and the second support arm 912; Described first support arm 911 extends to the second support arm 912 lopsidedness the first oblique arm 921, and described second support arm 912 extends to the first support arm 911 lopsidedness the second oblique arm 922; Described first oblique arm 921 is identical with horizontal plane angle with the second oblique arm 922, and length is identical; The first radiating element is provided with between described first support arm 911 and the second support arm 912; The second radiating element is provided with between described first oblique arm 921 and the second oblique arm 922; Described first radiating element includes the first transverse arm 931 that one end is connected to the first support arm 911, the free end of described first transverse arm 931 extends obliquely the first support arm 941, described first support arm 941 is extended with obliquely multiple the first parallel radiation arm 951; Also include the second transverse arm 932 that one end is connected to the second support arm 912, the free end of described second transverse arm 932 extends obliquely the second support arm 942, described second support arm 942 is extended with obliquely multiple corresponding with the first radiation arm 951 and the second radiation arm 952 be arranged in parallel; Described second radiating element includes the 3rd transverse arm 933 that one end is connected to the first oblique arm 921, the free end of described 3rd transverse arm 933 is provided with three support arm 943 vertical with the 3rd transverse arm 933, and described 3rd support arm 943 is vertically extended with many articles of the 3rd radiation arms 953 to the second oblique arm 922 side; Also include the 4th transverse arm 934 that one end is connected to the second oblique arm 922, the free end of described 4th transverse arm 934 is provided with four support arm 944 vertical with the 4th transverse arm 934, and described 4th support arm 944 is vertically extended with many articles of the 4th radiation arms 954 to the first oblique arm 921 side; Described 3rd radiation arm 953 and the 4th radiation arm 954 arranged in a crossed manner; First support arm 911 of described three oscillator unit is connected with the first inner edge 81, the 3rd inner edge, the 6th inner edge respectively, and the second support arm 912 of described three oscillator unit is connected respectively with outside first outside the 71, the 3rd, outside the 6th; Described division board 2 is orthohexagonal metallic plate, and described division board 2 is provided with multiple hexagonal through hole 21.
By being not less than the microstrip circuit structural design of 500 times, and by under being not less than 500 l-G simulation tests and parameter adjustment, division board 2 structure finally determining above-mentioned antenna structure and coordinate with it, this antenna possesses wider frequency range and preferably isolation and directivity and gain performance when coordinating with division board 2, meet instructions for use completely, improve the communication performance of implantable medical device.
Especially when this structural insulated panel 2 of removing or placement common metal division board 2, as Fig. 5, this beamwidth of antenna available frequency range is still up to 1.8GHz to 2.8GHz; Substantially meet the requirement of communications band, its gain is also higher, and in frequency band, average gain is greater than 9.0dBi; Meet actual use needs.The design of this shape division board 2 is also drawn by emulation and continuous EXPERIMENTAL DESIGN, wherein, screw stereo antenna is comprised when this division board 2 being placed other prior art antennas and coordinating, its matching is not high, and isolation performance strengthens not obvious, when testing ordinary antennas, this division board 2 in cooperation, average gain increases 0.01-0.15dBi or does not increase, and isolation performance is constant, and frequency range is without change.And reality test with test before emulation in can learn, test when the communication antenna in this programme coordinates with the division board 2 of this programme, the bandwidth of the communication antenna of this programme, isolation, gain aspect all exceed Antenna Design when not adding division board 2, and the simulation value after wherein coordinating is as Fig. 6.This integrated antenna system bandwidth available frequency range reaches 1.5GHz to 3.0GHz; Its gain also obviously increases, and in frequency band, average gain is greater than 9.5dBi, compares rising 0.5dBi; If isolation in its isolation figure frequency band in addition, isolation performance better, as Fig. 6, can find out that in S3 isolation is greater than 25.5dB in frequency range.Its directivity, as described in Figure 7, it is omni-directional antenna.
Embodiment 2.
The difference of the present embodiment and a kind of anticorrosion implantable medical diagnostic device described in above-described embodiment is to set concrete parameter attribute, for reaching optimum performance and the most stable performance, following parameter is set: described first radiation arm 951 is identical with the quantity of the second radiation arm 952; If the quantity of described first radiation arm 951 is N; Described 3rd radiation arm 953 is identical with the quantity of the 4th radiation arm 954; If the quantity of the 3rd radiation arm 953 is M; Described N=M*3+1; Described hexagon through hole 21 quantity is M*6.Above-mentioned parameter is constantly being tested and is drawing in adjustment, and it is the most stable and design parameter that is performance the best, and concrete actual knot HFSS15 software of testing calculates, and this total system beamwidth of antenna available frequency range is at 1.5GHz to 3.0GHz internal frequency modulation; In frequency band, average gain is greater than 9.5dBi, and impedance reduces; In frequency range, isolation is greater than 26dB; Find in reality test, the change of external environment, as temperature, influence of magnetic field change within the specific limits, the changes in amplitude of such as temperature about 10 degree, when adopting above-mentioned parameter and special value, very by force, frequency range conservation degree is better for its stability.
The anticorrosion implantable medical diagnostic device of one described in the present embodiment, described first support arm 911 is identical with the width of the second support arm 912.The anticorrosion implantable medical diagnostic device of one described in the present embodiment, also includes the multiple clearance holes be located on the 3rd support arm 943 and the 4th support arm 944; Described clearance hole diameter is no more than 1mm.The anticorrosion implantable medical diagnostic device of one described in the present embodiment, the quantity of described clearance hole is four.The anticorrosion implantable medical diagnostic device of one described in the present embodiment, the 3rd radiation arm 953 is identical to the distance of the 3rd support arm 943 with the 4th radiation arm 954 to the distance of the 4th support arm 944.
The anticorrosion implantable medical diagnostic device of one described in the present embodiment, the bottom surface of described drain pan 1 and the end face of lid shell 5 are equipped with the binding groove 6 for both being tightened together; The anticorrosion implantable medical diagnostic device of one described in the present embodiment, the outer surface of described drain pan 1 and lid shell 5 is all coated with food-grade corrosion-resistant coating; For anticorrosion, improve useful life of the present invention.The anticorrosion implantable medical diagnostic device of one described in the present embodiment, described drain pan 1 opening is provided with O-ring seal 4, and the opening of described mesochite 3 is also provided with O-ring seal 4.Phase anti-Hemostatic Oral Liquid or tissue fluid enter in body of wall, cause damage to device.
The above is only several preferred embodiment of the present invention, therefore all equivalences done according to structure, feature and the principle described in patent claim of the present invention change or modify, and are included in the protection range of patent application of the present invention.
Claims (8)
1. an anticorrosion implantable medical diagnostic device, includes implanted electron medical treatment unit, it is characterized in that: also include plate-like drain pan (1), is provided with the container cavity for holding implanted electron medical treatment unit in described drain pan (1); Also include the division board (2) being covered in drain pan (1) opening; Described division board (2) is provided with the plate-like mesochite (3) for placing antenna; Also include the lid shell (5) for covering mesochite (3) opening; The communication antenna for allowing implanted electron medical treatment unit communicate with the external world is provided with in described mesochite (3);
The outer surface of described drain pan (1) and lid shell (5) is all coated with food-grade corrosion-resistant coating;
Described drain pan (1) opening is provided with O-ring seal (4), the opening of described mesochite (3) is also provided with O-ring seal (4).
2. the anticorrosion implantable medical diagnostic device of one according to claim 1, is characterized in that: the top of described lid shell (5) is arc surface.
3. the anticorrosion implantable medical diagnostic device of one according to claim 1, is characterized in that: described communication antenna includes a regular hexagon housing connected successively by head and the tail outside (71) to the 6th outside first; Described communication antenna also includes a regular hexagon inside casing connected successively to the 6th inner edge head and the tail by the first inner edge (81);
Also include three identical oscillator unit, described oscillator unit includes the first support arm (911) and the second support arm (912); Described first support arm (911) is extended to the second support arm (912) lopsidedness the first oblique arm (921), and described second support arm (912) is extended to the first support arm (911) lopsidedness the second oblique arm (922); Described first oblique arm (921) is identical with horizontal plane angle with the second oblique arm (922), and length is identical; The first radiating element is provided with between described first support arm (911) and the second support arm (912); The second radiating element is provided with between described first oblique arm (921) and the second oblique arm (922);
Described first radiating element includes the first transverse arm (931) that one end is connected to the first support arm (911), the free end of described first transverse arm (931) extends obliquely the first support arm (941), described first support arm (941) is extended with obliquely multiple parallel the first radiation arm (951); Also include the second transverse arm (932) that one end is connected to the second support arm (912), the free end of described second transverse arm (932) extends obliquely the second support arm (942), described second support arm (942) is extended with obliquely multiple corresponding with the first radiation arm (951) and the second radiation arm (952) be arranged in parallel;
Described second radiating element includes the 3rd transverse arm (933) that one end is connected to the first oblique arm (921), the free end of described 3rd transverse arm (933) is provided with three support arm (943) vertical with the 3rd transverse arm (933), and described 3rd support arm (943) is vertically extended with many articles of the 3rd radiation arms (953) to the second oblique arm (922) side; Also include the 4th transverse arm (934) that one end is connected to the second oblique arm (922), the free end of described 4th transverse arm (934) is provided with four support arm (944) vertical with the 4th transverse arm (934), and described 4th support arm (944) is vertically extended with many articles of the 4th radiation arms (954) to the first oblique arm (921) side; Described 3rd radiation arm (953) is arranged in a crossed manner with the 4th radiation arm (954);
First support arm (911) of described three oscillator unit is connected with the first inner edge (81), the 3rd inner edge, the 6th inner edge respectively, and second support arm (912) of described three oscillator unit is connected respectively with outside (71), the 3rd outside first, outside the 6th;
Described division board (2) is orthohexagonal metallic plate, and described division board (2) is provided with multiple hexagonal through hole (21).
4. the anticorrosion implantable medical diagnostic device of one according to claim 3, is characterized in that: described first radiation arm (951) is identical with the quantity of the second radiation arm (952); If the quantity of described first radiation arm (951) is N; Described 3rd radiation arm (953) is identical with the quantity of the 4th radiation arm (954); If the quantity of the 3rd radiation arm (953) is M; Described N=M*3+1; Described hexagon through hole (21) quantity is M*6.
5. the anticorrosion implantable medical diagnostic device of one according to claim 3, is characterized in that: described first support arm (911) is identical with the width of the second support arm (912).
6. the anticorrosion implantable medical diagnostic device of one according to claim 3, is characterized in that: also include the multiple clearance holes be located on the 3rd support arm (943) and the 4th support arm (944); Described clearance hole diameter is no more than 1mm.
7. the anticorrosion implantable medical diagnostic device of one according to claim 6, is characterized in that: the quantity of described clearance hole is four.
8. the anticorrosion implantable medical diagnostic device of one according to claim 3, is characterized in that: the 3rd radiation arm (953) is identical to the distance of the 3rd support arm (943) with the 4th radiation arm (954) to the distance of the 4th support arm (944).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510638226.9A CN105305022B (en) | 2015-10-02 | 2015-10-02 | The anticorrosion implantable medical diagnostic equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510638226.9A CN105305022B (en) | 2015-10-02 | 2015-10-02 | The anticorrosion implantable medical diagnostic equipment |
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| CN105305022A true CN105305022A (en) | 2016-02-03 |
| CN105305022B CN105305022B (en) | 2016-12-07 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101959448A (en) * | 2008-02-28 | 2011-01-26 | 劳梅迪奇股份公司 | Patient data sensor device |
| US20130207863A1 (en) * | 2011-04-29 | 2013-08-15 | Cyberonics, Inc. | Antenna shield for an implantable medical device |
| CN103298522A (en) * | 2010-11-23 | 2013-09-11 | 心脏起搏器公司 | Folded antennas for implantable medical devices |
| CN104511091A (en) * | 2013-09-26 | 2015-04-15 | 奥迪康医疗有限公司 | A device implantable under skin |
-
2015
- 2015-10-02 CN CN201510638226.9A patent/CN105305022B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101959448A (en) * | 2008-02-28 | 2011-01-26 | 劳梅迪奇股份公司 | Patient data sensor device |
| CN103298522A (en) * | 2010-11-23 | 2013-09-11 | 心脏起搏器公司 | Folded antennas for implantable medical devices |
| US20130207863A1 (en) * | 2011-04-29 | 2013-08-15 | Cyberonics, Inc. | Antenna shield for an implantable medical device |
| CN104511091A (en) * | 2013-09-26 | 2015-04-15 | 奥迪康医疗有限公司 | A device implantable under skin |
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| CN105305022B (en) | 2016-12-07 |
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Effective date of registration: 20161024 Address after: 401320 Chongqing District of Banan City Jinzhu Industrial Park Applicant after: Chongqing Jiewei Mold Manufacturing Co.,Ltd. Address before: Tianhe District Tong East Road Guangzhou city Guangdong province 510665 B-101 No. 5, room B-118 Applicant before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20161024 Address after: Tianhe District Tong East Road Guangzhou city Guangdong province 510665 B-101 No. 5, room B-118 Applicant after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 523000 E District, Tian An Digital City, Nancheng District, Guangdong, Dongguan Applicant before: Xie Guangpeng |
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