CN201710382U - Handheld 3G type-B ultrasound device capable of remote diagnosis - Google Patents
Handheld 3G type-B ultrasound device capable of remote diagnosis Download PDFInfo
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- CN201710382U CN201710382U CN2010201859768U CN201020185976U CN201710382U CN 201710382 U CN201710382 U CN 201710382U CN 2010201859768 U CN2010201859768 U CN 2010201859768U CN 201020185976 U CN201020185976 U CN 201020185976U CN 201710382 U CN201710382 U CN 201710382U
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Abstract
The utility model discloses a handheld 3G (The 3rd Generation Telecommunication) type-B ultrasound device capable of remote diagnosis. A network service module is provided and used for processing ultrasonic picture signals through compressing, encoding and decoding, and is also used for transmitting the ultrasonic picture signals that are processed through compressing, encoding and decoding to a remote terminal through a wired or wireless network port; the real-time non-destructive network transmission for the B ultrasound pictures as well as audio frequency can be achieved, and the transmission modes for a wired broadband network and a wireless 3G broadband network are compatible, so that fields or outlying districts that are inconvenient to realize network access can also enjoy the remote network diagnosis; meanwhile, a mobile phone can be served as an image display and human-computer interface module through the wireless network port, a probe and an ultrasonic imaging module can be led to achieve the low power consumption and the waterproof function, and the longtime battery endurance requirement and the waterproof requirement of the B ultrasound diagnosis in special occasions can be satisfied; the size of the handheld 3G type-B ultrasound device is small, the energy consumption is low, portability can be achieved, and the handheld 3G type-B ultrasound device is especially suitable for countryside and the outlying districts with poor transportation services.
Description
Technical field
This utility model relates to medical ultrasonic image diagnostic techniques field, in particular a kind of 3G palm B ultrasonic of realizing remote diagnosis.
Background technology
Per second vibrates 20,000-1,000,000,000 times, and the unheard sound wave of people's ear is called ultrasound wave.An image subject that utilizes hyperacoustic physical characteristic to diagnose and treat is called ultrasound medicine.Its clinical application range is extensive, thereby makes the B ultrasonic machine become indispensable medical apparatus and instruments in the current clinical medicine.
The ultimate principle of B ultrasonic machine is: ultrasonicly propagate in human body, because the various tissues of human body have the property difference of acoustics, ultrasound wave produces physical characteristics such as reflection, refraction, scattering, diffraction, decay and sound source and receptor relative motion generation Doppler frequency shift at the interface at two kinds of different tissues.Use dissimilar diasonographs, adopt various scan methods, receive these reflections, scattered signal, the form that shows various tissues and pathological changes thereof, binding of pathological is learned, clinical medicine, observe, analyze, sum up different reflexive properties, and diseased region, character and dysfunction degree are made diagnosis.
But at present domestic go-cart or to renovate B ultrasonic machine homogenization trend serious, generally relatively heavier, consumption material power consumption and environmental protection, and the domestic B ultrasonic machine that does not also have the telecommunication network diagnostic function at present.And lack the national conditions of medical practitioner for China's family planning policy and rural basic level, in ungetable field or the outlying district be not easy in time realize the consultation of doctors of expert's B ultrasonic.Can cause delay treatment etc. like this, make troubles to people.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The technical problems to be solved in the utility model is, at the above-mentioned defective of prior art, provides a kind of 3G palm B ultrasonic of realizing remote diagnosis, and it can realize the harmless real-time network transmission of B ultrasonic image and audio frequency, for realizing that remote diagnosis provides advantage.
The technical scheme that this utility model technical solution problem is adopted is as follows:
A kind of 3G palm B ultrasonic of realizing remote diagnosis comprises the ultrasonic probe that is used to gather ultrasound detection signal, and wherein, it also comprises:
Be connected with described ultrasonic probe, be used for obtaining the ultrasound detection signal of described collection, and the ultrasound detection signal of described collection is converted to the ultra sonic imaging module of ultrasound image signal from described ultrasonic probe;
Be connected with described ultra sonic imaging module, be used for described ultrasound image signal is carried out compression coding and decoding, and the ultrasound image signal of compressed encoding and decoding is sent to the network service module of remote terminal by wired or wireless network port.
The described 3G palm B ultrasonic of realizing remote diagnosis, wherein, it also comprises: be connected with described network service module, be used to gather the audio signal that the medical worker diagnoses dialogue, and this audio signal is sent to the audio-frequency module of remote terminal by described network service module.
The described 3G palm B ultrasonic of realizing remote diagnosis, wherein, it also comprises: be connected the memory module that is used to store described ultrasound image signal with described ultra sonic imaging module.
The described 3G palm B ultrasonic of realizing remote diagnosis, wherein, described ultra sonic imaging module comprises:
Be connected with described ultrasonic probe, the ultrasound detection signal that is used for ultrasonic probe is gathered focuses on through amplification, A/D conversion, filtering, time gain control, dynamic aperture, forms the Beam-former of ultrasonic beam data signal;
Be connected with described Beam-former, be used for described ultrasonic beam data signal is carried out image smoothing, edge enhancing, speckle noise elimination, the pretreated digital signal processing unit of sharpening;
Be connected with described digital signal processing unit, be used for and convert the digital scan conversion unit of ultrasound image signal to through pretreated ultrasonic beam data signal.
The described 3G palm B ultrasonic of realizing remote diagnosis, wherein, described network service module comprises:
With the codec unit that described ultra sonic imaging module is connected, be used for H.264 described ultrasound image signal is carried out or the Mpeg4 compressed encoding;
The network transmission unit that is connected with described codec unit is used for the ultrasound image signal behind the coding is converted to the ultrasound image signal of ICP/IP protocol and sends to remote terminal by wired or 3G wireless network port.
The described 3G palm B ultrasonic of realizing remote diagnosis, wherein, described remote terminal is PC or 3G mobile.
A kind of 3G palm B ultrasonic of realizing remote diagnosis provided by the utility model, owing to be provided with network service module, be used for described ultrasound image signal is carried out compression coding and decoding, and the ultrasound image signal of compressed encoding and decoding is sent to remote terminal by wired or wireless network port; Can realize the harmless real-time network transmission of B ultrasonic image and audio frequency, compatible for wired broadband and wireless 3G broadband network transmission mode make the field of network insertion inconvenience or the outlying district also can the enjoy network remote diagnosis; Can make 3G mobile become pictorial display and human-computer interface module by wireless network port simultaneously, make ultrasonic probe and ultra sonic imaging module realize low-power consumption and water-proof function, solve the long-time battery continuation of the journey and the waterproof requirement of the diagnosis of special occasions B ultrasonic, and its volume is little, the power consumption less, be beneficial to and carry, be specially adapted to ungetable rural area and outlying district.
Description of drawings
Fig. 1 is the 3G palm B ultrasonic structured flowchart of the remote diagnosis realized that provides of this utility model embodiment;
Fig. 2 is the 3G palm B ultrasonic implementation method flow chart of the remote diagnosis realized of this utility model embodiment.
The specific embodiment
A kind of 3G palm B ultrasonic of realizing remote diagnosis of the present utility model is the ARM﹠amp that is embedded in the high integration low-power consumption at B ultrasonic; (wherein, ARM full name Advanced RISCMachines is a kind of embedded microprocessor chip to dsp chip, is similar to general cpu; And Digital SignalProcessing is called for short DSP; DSP is mainly used to calculate, and general embedded chip is used for controlling), as adopting the SoC chip (SoC is the abbreviation of System on Chip, is called system level chip) of high integration; Utilize Linux embedded OS, the solid-state electronic hard disk of the strong and safety and stability of network function again, make 3G palm B ultrasonic of the present utility model become the B ultrasonic video server of a low-power consumption, antidetonation, stable performance, realize the remote live network transmission of B ultrasonic video image, for realizing that remote diagnosis provides advantage.
For making the purpose of this utility model, technical scheme and advantage clearer, clear and definite, below this utility model is further described with reference to the accompanying drawing embodiment that develops simultaneously.
A kind of 3G palm B ultrasonic of realizing remote diagnosis that this utility model embodiment provides, as shown in Figure 1, it mainly comprises ultrasonic probe 210, ultra sonic imaging module 220, network service module 230, audio-frequency module 240 and memory module 250.Described ultrasonic probe 210 is used for sending ultrasound detection signal and gathering the ultrasound detection signal return and give ultra sonic imaging module 220 to the detected person;
Described ultra sonic imaging module 220 is connected with described ultrasonic probe 210, described ultra sonic imaging module 220 is mainly used in from described ultrasonic probe 210 and obtains the ultrasound detection signal of collection, and the ultrasound detection signal that will gather is converted to displayable ultrasound image signal; Preferably among the embodiment, as shown in Figure 1, described ultra sonic imaging module 220 further comprises Beam-former 221, digital signal processing unit (DSP) 222 and digital scan conversion unit (DSC) 223 that connects successively.
Described Beam-former 221 is used to receive the ultrasound detection signal that described ultrasonic probe 210 is gathered, and the ultrasound detection signal that will gather forms the ultrasonic beam data signal through processing such as amplification, A/D conversion, filtering, time gain control, dynamic aperture focusing;
Described digital signal processing unit 222 is used for described ultrasonic beam data signal carried out pretreatment such as image smoothing, edge enhancing, speckle noise elimination, sharpening; Can realize level and smooth enhancing of ultrasonic beam scan-data and the processing of single-point noise elimination (SAR) prime by this digital signal processing unit 222.
Described digital scan conversion unit 223 is used for and will converts the ultrasound image signal with image to through pretreated ultrasonic beam data signal, adopts the high-speed figure scan conversion DSC that optimizes, and improves ultrasonograph quality.
This utility model embodiment can realize the 3G palm B ultrasonic of remote diagnosis, as shown in Figure 1, described network service module 230 is connected with described ultra sonic imaging module 220, be used for described ultrasound image signal is carried out compression coding and decoding, and the ultrasound image signal of compressed encoding and decoding is sent to remote terminal by wired or wireless network port.Network service module described in this utility model is implemented 230 adopts the ARM﹠amp of high integration low-power consumption; Dsp chip utilizes the H.264 dsp software algorithm of compressed encoding and decoding of 256 gray level images, promptly adopts coloured image MPEG4 encoding and decoding technique, with 256 gray level image lossless compress code decode algorithm H.264, realizes the harmless real-time Transmission of ultrasound image signal network.
Wherein, H.264 be a kind of video compression standard.H.264 the standard with former is the same, also is the hybrid coding pattern that DPCM adds transition coding.But it adopts the compact design of " returning basic ", and option that need not be numerous obtains the compression performance more much better than MEPG-4; H.264 strengthened adaptive capacity, adopted the structure and the grammer of " network close friend ", helped processing mistake friend and packet loss to various channels; H.264 application target wider range can satisfy different rates, different resolution and the different demand of transmitting (storage) occasions.
Technically, H.264 a plurality of flash of light parts are arranged in the standard, as unified VLC symbolic coding, high accuracy, multimodal Displacement Estimation are based on 4 integer transforms, layered encoded grammer etc.These measures make that H.264 getting algorithm has very high code efficiency, under identical reconstructed image quality, and can be than the code check of H.263 saving about 50%.H.264 code flow structure network-adaptive is strong, has increased error resilience, can adapt to the application of IP and wireless network well.
H.264 can transmit video flowing with lower data rate, the aspect such as lose, surmount existing MPEG-2, MPEG-4 and video communication standard H.26x, be more suitable for narrow band transmission at video quality, compression efficiency and data packet recovery based on networking protocol (IP).
Preferably, described network service module 230 further comprises:
The codec unit 231 that is connected with digital scan conversion unit 223 in the described ultra sonic imaging module 220, described codec unit 231 is used for H.264 described ultrasound image signal is carried out or the Mpeg4 compressed encoding; Being that occupied bandwidth is little with described ultrasound image signal compressed encoding, and the high ultrasound image signal of image quality.Adopt the H.264 ultrasound image signal behind the dsp software compression algorithm coding of compressed encoding and decoding of 256 gray level images, saved 2/3 bandwidth than 24 coloured image transmission that security protection industry is used, make the high-resolution ultrasound picture signal guarantee the medical image diagnostic reliability with high frame per second in the transmission of network real non-destructive.
With the network transmission unit 232 that described codec unit 231 is connected, be used for the ultrasound image signal behind the coding is converted to the ultrasound image signal of ICP/IP protocol, and send to remote terminal by wired or 3G wireless network port.Wherein, described remote terminal can be PC or 3G mobile.Like this, the PC of remote terminal or 3G mobile only need the minimum software decode assembly of download capability, just can watch the long-range real-time B ultrasonic image that transmits by standard browser or by 3G mobile at PC.
Further embodiment, the described 3G palm B ultrasonic of realizing remote diagnosis, it also comprises: with the audio-frequency module 240 that described network service module 230 is connected, be used to gather the audio signal that the medical worker diagnoses dialogue, and this audio signal is sent to remote terminal by described network service module.Like this, the audio frequency transmission also can be transmitted simultaneously with the video transmission, makes things convenient for operation doctor of basic unit and expert to talk with discussion, realizes the conveniently real time remote consultation of doctors.
Further embodiment, the described 3G palm B ultrasonic of realizing remote diagnosis, it also comprises: the memory module 250 that is connected with described ultra sonic imaging module 220, can be used for storing described ultrasound image signal, utilize the ultrasound image signal of described memory module 250 storages can realize graphic file management system; Can embed the B ultrasonic of no PC platform, expand functions such as picture and text medical record management, electronic health record, USB flash disk storage, Standard PC printing, DICOM3.0 network interface with lower cost; Insert the PACS of hospital (Medical Image System) system easily, also can be applied to basic unit health center and mobile medical services car that country is building, the convenient electronic medical record of realizing is uploaded in real time, carries out national health state and regional crowd's case statistical analysis, family planning system data at different levels and uploads and assign and statistical management or the like function.
Below will come can realize the 3G palm B ultrasonic of remote diagnosis, be further described in detail by concrete Application Example to this utility model:
For example in outlying mountain area, one patient that need carry out the B ultrasonic diagnosis is arranged, then backwoodsman ultrasound diagnosis doctor is the ultrasonic diagnosis expert doctor subscription time of photos and sending messages and key city at first, and expert doctors receive information, open the mobile phone of PC or 3G function in the designated time.
The ultrasound diagnosis doctor at this moment by the ultrasonic beam of ultrasonic probe to human body or animal emission certain frequency, and receives the ultrasonic echo that reflects with ultrasonic probe scanning lesions position; Form ultrasound image signal through amplification, A/D conversion, filtering, time gain control, dynamic aperture focusing, digital scan conversion DSC again.Ultrasound image signal transfers to DSP by the video data interface, carries out H.264 or the Mpeg4 compressed encoding; Send to long-range PC or 3G mobile by wired or 3G wireless network port WAN (ICP/IP protocol) at last; To picture decoding, just can show the real-time and dynamic ultrasound image signal by mounted component software at PC or 3G mobile with generic browser; At this moment, expert doctors observe the long-range real-time ultrasonic image that transmits before the screen of PC or 3G mobile, require the other places to check that the doctor adjusts the probe scanning position by mike, the common discussion consultation of doctors, and diagnosis is passed to the ultrasound diagnosis doctor down.
In addition, this utility model also can be realized the medical record data management of B/S structure and the printing function of Terminal Server Client.Audio frequency also can transmit by network simultaneously, for doctor's remote medical consultation with specialists dialogue talk.
Certainly, diagnosis side also can be the professional medical science remote diagnosis website that government or enterprise set up, the abundant medical image model case graphic-text database of inquiring about not only is provided, more can be on duty in turn by various experts 24 hours, difficult medical record remote medical consultation with specialists or emergency treatment are provided at any time, realize the efficient shared of Expert Resources, for creating better medical condition in the rural area and the outlying district of shortage of medical services and medicines.
For example, rural planning fertility work doctor has a physical examination for the women of child-bearing age, utilize the 3G palm B ultrasonic of realizing remote diagnosis of the present utility model, can be with the ultrasound image signal remote transmission to economizing family planning station, city center, expert doctor can give inspection and guide and diagnosis by PC or 3G mobile.
The above-mentioned 3G palm B ultrasonic of realizing remote diagnosis of the present utility model, its implementation as shown in Figure 2, mainly may further comprise the steps:
S310, ultrasonic probe are gathered ultrasound detection signal;
S320, ultra sonic imaging module are obtained the ultrasound detection signal of described collection from described ultrasonic probe, and the ultrasound detection signal of described collection is converted to ultrasound image signal;
S330, network service module are carried out compression coding and decoding with described ultrasound image signal, and the ultrasound image signal of compressed encoding and decoding is sent to remote terminal by wired or wireless network port.
The described 3G palm B ultrasonic implementation method that realizes remote diagnosis further, for the ease of the interchange of medical worker in the ultrasonic diagnosis process, can also comprise in the time of described step S330:
S331, audio-frequency module are gathered the audio signal that the medical worker diagnoses dialogue, and this audio signal is sent to remote terminal by network service module.
The described 3G palm B ultrasonic implementation method that realizes remote diagnosis, wherein, described step S320 specifically comprises:
The ultrasound detection signal that S321, Beam-former are gathered ultrasonic probe focuses on through amplification, A/D conversion, filtering, time gain control, dynamic aperture, forms the ultrasonic beam data signal;
S322, digital signal processing unit carry out image smoothing, edge enhancing, speckle noise elimination, sharpening pretreatment with described ultrasonic beam data signal;
S323, digital scan conversion unit will convert ultrasound image signal to through pretreated ultrasonic beam data signal.
The described 3G palm B ultrasonic implementation method that realizes remote diagnosis, wherein, described step S330 specifically also comprises:
H.264 S332, codec unit carry out described ultrasound image signal or the Mpeg4 compressed encoding;
S333, network transmission unit are used for the ultrasound image signal behind the coding is converted to the ultrasound image signal of ICP/IP protocol and sends to remote terminal by wired or 3G wireless network port.
A kind of 3G palm B ultrasonic of realizing remote diagnosis provided by the utility model, owing to be provided with network service module, be used for described ultrasound image signal is carried out compression coding and decoding, and the ultrasound image signal of compressed encoding and decoding is sent to remote terminal by wired or wireless network port; Can realize the harmless real-time network transmission of B ultrasonic image and audio frequency, compatible for wired broadband and wireless 3G broadband network transmission mode make the field of network insertion inconvenience or the outlying district also can the enjoy network remote diagnosis; Can make mobile phone become pictorial display and human-computer interface module by wireless network port simultaneously, make probe and ultra sonic imaging module realize low-power consumption and water-proof function, solve the long-time battery continuation of the journey and the waterproof requirement of the diagnosis of special occasions B ultrasonic, and its volume is little, the power consumption less, be beneficial to and carry, be specially adapted to ungetable rural area and outlying district
Should be understood that; application of the present utility model is not limited to above-mentioned giving an example; for those of ordinary skills; can be improved according to the above description or conversion; for example increase Wifi (wireless) and Bluetooth (bluetooth) interface function; realization WLAN or near radio transmission, not only convenient at a high speed but also free, all these improvement and conversion all should belong to the protection domain of this utility model claims.
Claims (5)
1. the 3G palm B ultrasonic that can realize remote diagnosis comprises the ultrasonic probe that is used to gather ultrasound detection signal, it is characterized in that it also comprises:
Be connected with described ultrasonic probe, be used for obtaining the ultrasound detection signal of described collection, and the ultrasound detection signal of described collection is converted to the ultra sonic imaging module of ultrasound image signal from described ultrasonic probe;
Be connected with described ultra sonic imaging module, be used for described ultrasound image signal is carried out compression coding and decoding, and the ultrasound image signal of compressed encoding and decoding is sent to the network service module of remote terminal by wired or wireless network port.
2. according to the described 3G palm B ultrasonic of realizing remote diagnosis of claim 1, it is characterized in that, it also comprises: be connected with described network service module, be used to gather the audio signal that the medical worker diagnoses dialogue, and this audio signal sent to the audio-frequency module of remote terminal by described network service module.
3. according to the described 3G palm B ultrasonic of realizing remote diagnosis of claim 1, it is characterized in that it also comprises: be connected the memory module that is used to store described ultrasound image signal with described ultra sonic imaging module.
4. according to the described 3G palm B ultrasonic of realizing remote diagnosis of claim 1, it is characterized in that described ultra sonic imaging module comprises:
Be connected with described ultrasonic probe, the ultrasound detection signal that is used for ultrasonic probe is gathered focuses on through amplification, A/D conversion, filtering, time gain control, dynamic aperture, forms the Beam-former of ultrasonic beam data signal;
Be connected with described Beam-former, be used for described ultrasonic beam data signal is carried out image smoothing, edge enhancing, speckle noise elimination, the pretreated digital signal processing unit of sharpening;
Be connected with described digital signal processing unit, be used for and convert the digital scan conversion unit of ultrasound image signal to through pretreated ultrasonic beam data signal.
5. according to the described 3G palm B ultrasonic of realizing remote diagnosis of claim 1, it is characterized in that described network service module comprises:
With the codec unit that described ultra sonic imaging module is connected, be used for H.264 described ultrasound image signal is carried out or the Mpeg4 compressed encoding;
The network transmission unit that is connected with described codec unit is used for the ultrasound image signal behind the coding is converted to the ultrasound image signal of ICP/IP protocol and sends to remote terminal by wired or 3G wireless network port.
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| CN2010201859768U CN201710382U (en) | 2010-04-24 | 2010-04-24 | Handheld 3G type-B ultrasound device capable of remote diagnosis |
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| CN2010201859768U CN201710382U (en) | 2010-04-24 | 2010-04-24 | Handheld 3G type-B ultrasound device capable of remote diagnosis |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101843504A (en) * | 2010-04-24 | 2010-09-29 | 深圳市威尔德医疗电子股份有限公司 | 3G palm B ultrasonic realizing remote diagnosis and realization method thereof |
| CN102641134A (en) * | 2011-02-18 | 2012-08-22 | 西门子公司 | Method and device for obtaining and transmitting ultrasonic image information in remote diagnosis |
| CN104337549A (en) * | 2013-08-07 | 2015-02-11 | 广州一为科仪有限公司 | Ring-and-pregnancy check system for preventing counterfeiting through displaying multiple portraits and B-mode ultrasound images in one screen and adopting combination and comparison and check terminals thereof |
| CN111544038A (en) * | 2020-05-12 | 2020-08-18 | 上海深至信息科技有限公司 | Cloud platform ultrasonic imaging system |
-
2010
- 2010-04-24 CN CN2010201859768U patent/CN201710382U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101843504A (en) * | 2010-04-24 | 2010-09-29 | 深圳市威尔德医疗电子股份有限公司 | 3G palm B ultrasonic realizing remote diagnosis and realization method thereof |
| CN101843504B (en) * | 2010-04-24 | 2012-12-26 | 深圳市威尔德医疗电子有限公司 | 3G palm B ultrasonic realizing remote diagnosis and realization method thereof |
| CN102641134A (en) * | 2011-02-18 | 2012-08-22 | 西门子公司 | Method and device for obtaining and transmitting ultrasonic image information in remote diagnosis |
| CN104337549A (en) * | 2013-08-07 | 2015-02-11 | 广州一为科仪有限公司 | Ring-and-pregnancy check system for preventing counterfeiting through displaying multiple portraits and B-mode ultrasound images in one screen and adopting combination and comparison and check terminals thereof |
| CN104337549B (en) * | 2013-08-07 | 2018-02-06 | 广州一为科仪有限公司 | Contrast false proof ring of looking into using several portraits and B ultrasound image Display on the same screen, combination and look into surrogate system and its inspection terminal |
| CN111544038A (en) * | 2020-05-12 | 2020-08-18 | 上海深至信息科技有限公司 | Cloud platform ultrasonic imaging system |
| CN111544038B (en) * | 2020-05-12 | 2024-02-02 | 上海深至信息科技有限公司 | Cloud platform ultrasonic imaging system |
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Owner name: SHENZHEN WELL.D MEDICAL ELECTRONICS CO., LTD. Free format text: FORMER NAME: SHENZHEN WELLD MEDICAL ELECTRONICS CO., LTD. |
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Address after: 518054, Shenzhen, Guangdong province Nanshan District Nanhai Avenue New Energy Building 12, north half of the layer 13 Patentee after: Shenzhen Welld Medical Electronic Co., Ltd. Address before: 518054, Shenzhen, Guangdong province Nanshan District Nanhai Avenue New Energy Building 12, north half of the layer 13 Patentee before: Shenzhen Welld Medical Electronics Co., Ltd. Address after: 518054, Shenzhen, Guangdong province Nanshan District Nanhai Avenue New Energy Building 12, north half of the layer 13 Patentee after: Shenzhen Welld Medical Electronic Co., Ltd. Address before: 518054, Shenzhen, Guangdong province Nanshan District Nanhai Avenue New Energy Building 12, north half of the layer 13 Patentee before: Shenzhen Welld Medical Electronics Co., Ltd. |
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