CN110403565A - A kind of capsule endoscope magnetic and the bionical double-drive device of the awn of wheat - Google Patents
A kind of capsule endoscope magnetic and the bionical double-drive device of the awn of wheat Download PDFInfo
- Publication number
- CN110403565A CN110403565A CN201810389367.5A CN201810389367A CN110403565A CN 110403565 A CN110403565 A CN 110403565A CN 201810389367 A CN201810389367 A CN 201810389367A CN 110403565 A CN110403565 A CN 110403565A
- Authority
- CN
- China
- Prior art keywords
- capsule
- awn
- wheat
- cercus
- carrier rings
- 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.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00131—Accessories for endoscopes
- A61B1/00133—Drive units for endoscopic tools inserted through or with the endoscope
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
- A61B1/041—Capsule endoscopes for imaging
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/273—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the upper alimentary canal, e.g. oesophagoscopes, gastroscopes
- A61B1/2736—Gastroscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/07—Endoradiosondes
- A61B5/073—Intestinal transmitters
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Public Health (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Optics & Photonics (AREA)
- Gastroenterology & Hepatology (AREA)
- Endoscopes (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
Abstract
A kind of capsule endoscope magnetic and the bionical double-drive device of the awn of wheat, comprising: the cercus of imitative awn of wheat structure, cercus have certain flexibility, are connected to carrier rings, and carrier rings are made by having magnetic flexible material, are securable to capsule body surface；The nested capsule that can be dissolved through gastric acid, nested capsule are a glace, and cercus is pressed in capsule body surface；When capsule mirror stops under one's belt, nested capsule appears cercus through gastric juice dissolution, pushes capsule mirror to carry out intestinal inspection under the effect of gastrointestinal peristalsis wave.
Description
Technical field
The invention belongs to the field of medical instrument technology, in particular to a kind of capsule endoscope magnetic and the bionical double drive of the awn of wheat fill
It sets.
Background technique
From after the appearance of 1997 gracilistylus capsule scopes, because of it with inspection convenience, hurtless measure, without conducting wire, no pain, without intersection
Infection, extends the advantages that visual field of digestive tract examining at the normal work for not influencing patient, becomes digestive tract examining especially intestines
The prefered method of road inspection overcomes poor resistance possessed by traditional plug-in type scope, is not suitable for old and frail and disease
The defects of feelings are critical.But since capsule mirror is that nature is swallowed, and is promoted in gastrointestinal tract by peristalsis, and from swallowing
And image is transmitted with the speed of 14 frame per second, capsule endoscope under the push-and-pull of peristaltic wave helically advance by formula, and capsule passes after 8 hours
Defeated image is more than 57000 frames.On the one hand, containing a large amount of invalid, multiimages, the working efficiency of capsule endoscope in shooting in 8 hours
It is low；On the other hand, a large amount of diagosis amounts bring great challenge to medical personnel and difficulty is quite big；In addition to this, capsule endoscope one
As power-on time be 8 hours or so, for some patients due to gastrointestinal motility disorder, emptying slowly, may when being expert to lower intestinal tract
It will appear the case where low battery can not check.
Capsule mirror is many kinds of at present, and function is huge.Wherein, magnetic control capsule endoscope can help to realize capsule mirror in vivo
Precise positioning, but it is slow not can solve capsule mirror forward speed because of caused by way moving caused by intestines peristalsis wave, shooting
Low efficiency it is at all out of question.
Summary of the invention
In order to overcome the disadvantages of the above prior art, the purpose of the present invention is to provide a kind of capsule endoscope magnetic and the awn of wheats
Bionical double-drive device can shorten the single review time of capsule endoscope, improve the validity of capsule endoscope picture, mitigate medical matters
Capsule mirror is effectively reduced since low battery can not check the incidence of event in the workload of worker.
To achieve the goals above, the technical solution adopted by the present invention is that:
A kind of capsule endoscope magnetic and the bionical double-drive device of the awn of wheat, including capsule mirror body 2, which is characterized in that in capsule
It is cased with the magnetic carrier rings 3 of tool outside mirror body 2, is provided with several cercus 1 in carrier rings 3, the cercus 1 is in carrier rings 3
On, the axis along carrier rings 3 forms gather effect, gathers lead of the head end towards capsule mirror body 2, thus in traction opposite direction
Upper formation resistance, is provided with the nested capsule 4 easily dissolved by gastric juice outside the carrier rings 3, nested capsule 4 by capsule mirror body 2, carry
In body ring 3 and all cercus 1 are all coated on.
The size of device are as follows: remove length 20-28mm, diameter 12-20mm before nested capsule 4；It is long after the nested capsule 4 of removal
18-26mm, diameter 13-30mm are spent, cercus is no longer attached at capsule mirror surface at this time, forms certain angle with capsule mirror body.
The nesting capsule 4 is dissolved through gastric acid under one's belt, and cercus 1 is unfolded.
The cercus 1 has the physical structure of the imitative awn of wheat, is uniformly alternately arranged.
The cercus 1 has the material of certain flexibility, acid-alkali-corrosive-resisting to be made by the natural awn of wheat, bristles, horse-hair etc., head
Blunt circle, long 5-7mm, avoids damage to intestinal mucosa.
The carrier rings 3 are fixed on 2 surface of capsule mirror body, drive capsule mirror body 2 to move together by external magnetic patch traction,
The front-end and back-end of the capsule mirror body 2 are not covered by carrier rings 3, to guarantee shooting effect.
The nesting capsule 4 is made of the gastric-soluble material such as sugar-coat, ice film.
Compared with prior art, the beneficial effects of the present invention are:
1. cercus simulates awn of wheat physical structure, enough resistances are provided for retroversion of the capsule mirror in small intestine, can obviously be contracted
The review time of short single capsule mirror reduces the shooting for repeating photo, improves the working efficiency of capsule enteroscope.
2. the cercus of capsule mirror is triggered through gastric acid under one's belt, avoid patient's from swallowing discomfort.
3. carrier rings can be won, check protheca in capsule mirror surface, operating aspect.
4. carrier rings are made of magnetic material, the outer magnetic patch of abdomen is mobile when inspection, is the advance of capsule mirror together with the awn of wheat
Combined power is provided.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is that the present invention removes the structural schematic diagram after nested capsule.
Fig. 3 is carrier rings and cercus schematic diagram.
Specific embodiment
The embodiment that the present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, Figure 2 and Figure 3, a kind of capsule endoscope magnetic and the bionical double-drive device of the awn of wheat, including capsule mirror body
2, the magnetic carrier rings 3 of tool are fixed in its side of 2 outer of capsule mirror body, carrier rings 3 can be made of soft magnetic materials, by
External magnetic patch traction drives capsule mirror body 2 to move together.Carrier rings 3 are tubular structure, front and back opening, to guarantee to expose capsule
The shooting end of mirror body 2 does not influence it and shoots image.
It is provided with several cercus 1 in carrier rings 3, cercus 1 has certain flexibility, acidproof by the natural awn of wheat, bristles, horse-hair etc.
The material of caustic corrosion is made, head blunt circle, long 5-7mm, can avoid damage intestinal mucosa.
Cercus 1 is uniformly arranged alternately in carrier rings 3, and the axis along carrier rings 3 forms gather effect, has the object of the imitative awn of wheat
Structure is managed, lead of the head end towards capsule mirror body 2 is gathered, dissipates traction opposite direction of the tail end towards capsule mirror body 2, thus
Resistance is formed in the reverse direction.
Nested capsule 4 is provided with outside carrier rings 3, nested capsule 4 is complete by capsule mirror body 2, carrier rings 3 and all cercus 1
In portion is coated on, nested capsule 4 is easily made by the material that gastric juice dissolves of sugar-coat, ice film etc., dissolves under one's belt through gastric acid, cercus
1 can unfold.
The size of device are as follows: remove length 20-28mm, diameter 12-20mm before nested capsule 4；It is long after the nested capsule 4 of removal
18-26mm, diameter 13-30mm are spent, cercus is no longer attached at capsule mirror surface at this time, forms certain angle with capsule mirror body.
The application method of the present apparatus:
Patient swallows before inspection,
Cercus 1 is incorporated in gastric-soluble nested capsule 4 before swallowing, and releases dysphagia problem, and is gulped down
After pharynx, nested capsule 4 is dissolved by gastric acid, and cercus 1 is unfolded.
It is mobile in leading a magnetic patch outside abdomen, so that power is provided by the movement that carrier rings 3 are glue capsule mirror body 2, meanwhile, it imitates
The cercus 1 of awn of wheat structure also has certain tractive force along its gathered ends under enterogastric peristalsis, to form hybrid power, and anti-
There is larger resistance on direction, can prevent capsule mirror body 2 from retreating with the wriggling of stomach.
After inspection, excreted in 24-72 hours.
Claims (7)
1. a kind of capsule endoscope magnetic and the bionical double-drive device of the awn of wheat, including capsule mirror body (2), which is characterized in that in capsule
It is cased with the magnetic carrier rings (3) of tool outside mirror body (2), is provided with several cercus (1) in carrier rings (3), the cercus (1)
On carrier rings (3), the axis along carrier rings (3) forms gather effect, gathers lead of the head end towards capsule mirror body (2),
To be upwardly formed resistance in traction negative side, the nested capsule (4) easily dissolved by gastric juice is provided with outside the carrier rings (3), it is embedding
In capsule mirror body (2), carrier rings (3) and all cercus (1) are all coated on by set capsule (4).
2. capsule endoscope magnetic and the bionical double-drive device of the awn of wheat according to claim 1, which is characterized in that the size of device
Are as follows: remove length 20-28mm, diameter 12-20mm before nested capsule (4)；Remove nested capsule (4) length 18-26mm afterwards, diameter
13-30mm, cercus is no longer attached at capsule mirror surface at this time, forms certain angle with capsule mirror body.
3. capsule endoscope magnetic and the bionical double-drive device of the awn of wheat according to claim 1, which is characterized in that the nesting glue
Capsule (4) is dissolved through gastric acid under one's belt, and cercus (1) is unfolded.
4. capsule endoscope magnetic and the bionical double-drive device of the awn of wheat according to claim 1, which is characterized in that the cercus
(1) there is the physical structure of the imitative awn of wheat, be uniformly alternately arranged.
5. according to claim 1 or the 4 capsule endoscope magnetic and the bionical double-drive device of the awn of wheat, which is characterized in that the tail
Palpus (1) has the material of certain flexibility, acid-alkali-corrosive-resisting to be made by the natural awn of wheat, bristles, horse-hair etc., head blunt circle, long 5-
7mm avoids damage to intestinal mucosa.
6. capsule endoscope magnetic and the bionical double-drive device of the awn of wheat according to claim 1, which is characterized in that the carrier rings
(3) it is fixed on capsule mirror body (2) surface, drives capsule mirror body (2) to move together by external magnetic patch traction, the capsule mirror body
(2) front-end and back-end are not covered by carrier rings (3), to guarantee shooting effect.
7. according to claim 1 or the 4 capsule endoscope magnetic and the bionical double-drive device of the awn of wheat, which is characterized in that described embedding
Set capsule (4) is made of the gastric-soluble material such as sugar-coat, ice film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810389367.5A CN110403565B (en) | 2018-04-27 | 2018-04-27 | Magnetic and wheat-mango bionic dual-drive device of capsule endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810389367.5A CN110403565B (en) | 2018-04-27 | 2018-04-27 | Magnetic and wheat-mango bionic dual-drive device of capsule endoscope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110403565A true CN110403565A (en) | 2019-11-05 |
| CN110403565B CN110403565B (en) | 2022-02-11 |
Family
ID=68345999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810389367.5A Active CN110403565B (en) | 2018-04-27 | 2018-04-27 | Magnetic and wheat-mango bionic dual-drive device of capsule endoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110403565B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112773304A (en) * | 2020-12-28 | 2021-05-11 | 西安交通大学 | Measurable capsule scope of temperature |
| CN113080812A (en) * | 2021-04-09 | 2021-07-09 | 哈尔滨工业大学（深圳） | A magnetic drive shell of crawling for capsule endoscope robot |
| CN113080811A (en) * | 2021-04-09 | 2021-07-09 | 哈尔滨工业大学（深圳） | A magnetic control shell of giving medicine to poor free of charge for capsule endoscope robot |
| CN113080810A (en) * | 2021-04-09 | 2021-07-09 | 哈尔滨工业大学（深圳） | Shell device for assisting magnetic drive capsule endoscope robot to actively move |
| CN113171050A (en) * | 2021-04-26 | 2021-07-27 | 山东省荣军总医院 | Digestive system inspection device |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1125403A (en) * | 1993-06-17 | 1996-06-26 | 雷若斯公司 | Intravaginal delivery system |
| US20030020810A1 (en) * | 2001-07-30 | 2003-01-30 | Olympus Optical Co., Ltd. | Capsule-type medical apparatus |
| CN2643884Y (en) * | 2003-08-14 | 2004-09-29 | 徐鹏远 | Self-propelled stomach and intestine tube |
| CN101074032A (en) * | 2007-06-21 | 2007-11-21 | 上海交通大学 | Creep walking mechanism inside pipeline |
| EP1902663A1 (en) * | 2005-07-08 | 2008-03-26 | Olympus Medical Systems Corp. | Apparatus for placing capsule type medical device, apparatus for placing capsule endoscope in the body and capsule type medical device for placement |
| CN101282677A (en) * | 2005-10-05 | 2008-10-08 | 奥林巴斯医疗株式会社 | Capsule type medical device, its guidance system and guidance method and examinee insertion device |
| US20090012363A1 (en) * | 2007-07-06 | 2009-01-08 | National Taiwan University | Endoscope and magnetic field control method thereof |
| CN201365901Y (en) * | 2009-01-20 | 2009-12-23 | 深圳先进技术研究院 | Capsule endoscope |
| CN101674769A (en) * | 2007-09-06 | 2010-03-17 | i3系统公司 | Capsule-type endoscope capable of controlling frame rate of image |
| CN201595809U (en) * | 2009-09-23 | 2010-10-06 | 山东省寄生虫病防治研究所 | Conduit-controlled capsule-type endoscope |
| CN201719223U (en) * | 2010-06-08 | 2011-01-26 | 重庆金山科技（集团）有限公司 | Capsule endoscope with discharge function |
| JP2013165881A (en) * | 2012-02-16 | 2013-08-29 | Naotake Otsuka | Self-propelled capsule endoscope apparatus |
| US20140081169A1 (en) * | 2012-09-17 | 2014-03-20 | Vanderbilt University | System and method of tetherless insufflation in colon capsule endoscopy |
| CN204394451U (en) * | 2014-12-12 | 2015-06-17 | 北京大学第三医院 | Endoscope robot |
| CN204572586U (en) * | 2015-01-22 | 2015-08-19 | 宁波市豪发液压气动有限公司 | A kind of accumulator |
-
2018
- 2018-04-27 CN CN201810389367.5A patent/CN110403565B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1125403A (en) * | 1993-06-17 | 1996-06-26 | 雷若斯公司 | Intravaginal delivery system |
| US20030020810A1 (en) * | 2001-07-30 | 2003-01-30 | Olympus Optical Co., Ltd. | Capsule-type medical apparatus |
| CN2643884Y (en) * | 2003-08-14 | 2004-09-29 | 徐鹏远 | Self-propelled stomach and intestine tube |
| EP1902663A1 (en) * | 2005-07-08 | 2008-03-26 | Olympus Medical Systems Corp. | Apparatus for placing capsule type medical device, apparatus for placing capsule endoscope in the body and capsule type medical device for placement |
| CN101282677A (en) * | 2005-10-05 | 2008-10-08 | 奥林巴斯医疗株式会社 | Capsule type medical device, its guidance system and guidance method and examinee insertion device |
| CN101074032A (en) * | 2007-06-21 | 2007-11-21 | 上海交通大学 | Creep walking mechanism inside pipeline |
| US20090012363A1 (en) * | 2007-07-06 | 2009-01-08 | National Taiwan University | Endoscope and magnetic field control method thereof |
| CN101674769A (en) * | 2007-09-06 | 2010-03-17 | i3系统公司 | Capsule-type endoscope capable of controlling frame rate of image |
| CN201365901Y (en) * | 2009-01-20 | 2009-12-23 | 深圳先进技术研究院 | Capsule endoscope |
| CN201595809U (en) * | 2009-09-23 | 2010-10-06 | 山东省寄生虫病防治研究所 | Conduit-controlled capsule-type endoscope |
| CN201719223U (en) * | 2010-06-08 | 2011-01-26 | 重庆金山科技（集团）有限公司 | Capsule endoscope with discharge function |
| JP2013165881A (en) * | 2012-02-16 | 2013-08-29 | Naotake Otsuka | Self-propelled capsule endoscope apparatus |
| US20140081169A1 (en) * | 2012-09-17 | 2014-03-20 | Vanderbilt University | System and method of tetherless insufflation in colon capsule endoscopy |
| CN204394451U (en) * | 2014-12-12 | 2015-06-17 | 北京大学第三医院 | Endoscope robot |
| CN204572586U (en) * | 2015-01-22 | 2015-08-19 | 宁波市豪发液压气动有限公司 | A kind of accumulator |
Non-Patent Citations (1)
| Title |
|---|
| 李哲 等: "植物吸湿芒的结构及其运动的力学机制综述", 《应用力学学报》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112773304A (en) * | 2020-12-28 | 2021-05-11 | 西安交通大学 | Measurable capsule scope of temperature |
| CN113080812A (en) * | 2021-04-09 | 2021-07-09 | 哈尔滨工业大学（深圳） | A magnetic drive shell of crawling for capsule endoscope robot |
| CN113080811A (en) * | 2021-04-09 | 2021-07-09 | 哈尔滨工业大学（深圳） | A magnetic control shell of giving medicine to poor free of charge for capsule endoscope robot |
| CN113080810A (en) * | 2021-04-09 | 2021-07-09 | 哈尔滨工业大学（深圳） | Shell device for assisting magnetic drive capsule endoscope robot to actively move |
| CN113080810B (en) * | 2021-04-09 | 2023-02-24 | 哈尔滨工业大学（深圳） | Shell device for assisting magnetic drive capsule endoscope robot to actively move |
| CN113171050A (en) * | 2021-04-26 | 2021-07-27 | 山东省荣军总医院 | Digestive system inspection device |
| CN113171050B (en) * | 2021-04-26 | 2022-10-04 | 山东省荣军总医院 | Digestive system inspection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110403565B (en) | 2022-02-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110403565A (en) | A kind of capsule endoscope magnetic and the bionical double-drive device of the awn of wheat | |
| ES2639963T3 (en) | Endoscopic sheath | |
| ES2873206T3 (en) | Cover for medical examination device | |
| US7087011B2 (en) | Gastrointestinal system with traction member | |
| US8257257B2 (en) | Capsule type medical device | |
| US20110208011A1 (en) | System and method for guiding of gastrointestinal device through the gastrointestinal tract | |
| IL143259A (en) | Method for moving an object through the colon | |
| CN100367904C (en) | Inward vision mirror apparatus | |
| Seensalu | The sonde examination | |
| CN110403567B (en) | Magnet and 'wheat and mango' bionic combined power down reverse colon examination device | |
| CN103222844B (en) | Controllable capsule endoscopy | |
| CN102871635B (en) | Capsule endoscope feeding device | |
| JP4875315B2 (en) | Intra-subject introduction device | |
| CN216020956U (en) | Capsule endoscope auxiliary instrument | |
| Yong et al. | Removal of a dinner fork from the stomach by double-snare endoscopic extraction | |
| CN210902942U (en) | Gastroscope assembly for treatment of gastroenterology | |
| CN208988973U (en) | A kind of magnetic set composite for alimentary canal path setting | |
| TWI284027B (en) | Improved capsule endoscope | |
| CN104771129B (en) | The enteroscope guide can developed under lonizing radiation | |
| CN210446969U (en) | Auxiliary device for moving capsule endoscope | |
| Manfredi et al. | New Robotic Technologies in Cancer Colon Screening | |
| CN212282519U (en) | Intestinal obstruction catheter | |
| CN202136315U (en) | Swallowed type external magnetic control device for gastroscope | |
| Shi et al. | The locomotion systems for self-propelled endoscopes: a review and a new proposal | |
| O’Loughlin et al. | Wireless capsule endoscopy in the evaluation of the esophagus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220225 Address after: 518066 1201, building a, phase I, Qianhai economic and Trade Center, China Merchants Group, No. 151, Zimao West Street, Nanshan street, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen, Guangdong Province Patentee after: Chonghao Technology Co.,Ltd. Address before: 710061 No. 277, Yanta West Road, Shaanxi, Xi'an Patentee before: THE FIRST AFFILIATED HOSPITAL OF MEDICAL COLLEGE OF XI'AN JIAOTONG University |