CN111135370B - Medical intravenous blood injection bottle-by-bottle liquid pusher - Google Patents
Medical intravenous blood injection bottle-by-bottle liquid pusher Download PDFInfo
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- CN111135370B CN111135370B CN202010049981.4A CN202010049981A CN111135370B CN 111135370 B CN111135370 B CN 111135370B CN 202010049981 A CN202010049981 A CN 202010049981A CN 111135370 B CN111135370 B CN 111135370B
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- infusion
- bottle
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- frame
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/1407—Infusion of two or more substances
- A61M5/1408—Infusion of two or more substances in parallel, e.g. manifolds, sequencing valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16804—Flow controllers
- A61M5/16827—Flow controllers controlling delivery of multiple fluids, e.g. sequencing, mixing or via separate flow-paths
Abstract
The invention provides a medical bottle-by-bottle liquid pusher. The infusion bag comprises a containing frame, wherein a vertical slide way is arranged in the containing frame, more than two infusion assemblies are arranged in the vertical slide way, each infusion assembly comprises an upper slide sheet, an elastic bag body and a lower slide sheet, the upper slide sheet is positioned above the lower slide sheet, the elastic bag body is arranged between the upper slide sheet and the lower slide sheet, an infusion port is formed in the lower slide sheet, a rubber membrane is arranged in the infusion port, and the rubber membrane is used for sealing the infusion port; hold and be equipped with the mounting on the frame, still include the infusion control assembly, the infusion control assembly includes flexible power component, a plurality of thrust piece, triggers the piece, holds and runs through on the frame wall and be equipped with the spout, and the thrust piece slides and connects in the spout, and the tip of thrust piece extends to hold outside the frame in order to form the link, triggers piece tip and articulates in the link. An elastic spring is connected between the upper slide sheet and the lower slide sheet. Above-mentioned inner structure can accomplish the function of changing the infusion bottle infusion automatically, helps promoting whole medical care experience degree.
Description
Technical Field
The invention relates to a medical apparatus, in particular to a bottle-by-bottle pusher for medical intravenous blood injection.
Background
Infusion refers to a large dose of injection which is infused into the body by intravenous drip, and the injection is usually packaged in a glass infusion bottle and does not contain bacteriostatic agents. When in use, the dropping speed is adjusted by the infusion apparatus, and the medicine is continuously and stably infused into the body.
According to different medicines, a plurality of infusion bottles are generally used in a single infusion process, an infusion head with an infusion channel is firstly inserted into one of the infusion bottles, and the injection liquid in the infusion bottle flows into the vein of a patient from the infusion channel in the infusion head.
However, after the injection in one of the infusion bottles is injected, the infusion head needs to be pulled out from the infusion bottle and then inserted into the other infusion bottle, and the operation action is very simple for normal people, but in the infusion process, the hand of the patient can prick the injection needle, and the needle pulling and bottle changing actions are very difficult for the patient to operate with one hand, and the medical care experience is low.
Disclosure of Invention
In view of this, the present invention provides a bottle-by-bottle pusher for intravenous blood injection, which has an internal structure capable of completing the function of automatically changing an infusion bottle for infusion, and is helpful to improve the overall medical experience.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a bottle-by-bottle liquid pusher for medical intravenous blood injection comprises a containing frame, wherein a vertical slide way is arranged in the containing frame, more than two infusion assemblies are arranged in the vertical slide way, each infusion assembly comprises an upper slide piece, an elastic bag body and a lower slide piece, the upper slide piece is positioned above the lower slide piece and is made of a light plastic sheet, the elastic bag body is arranged between the upper slide piece and the lower slide piece, an infusion port is formed in the lower slide piece and is communicated with the inside of the elastic bag body, a rubber membrane is arranged in the infusion port and is used for sealing the infusion port;
the accommodating frame is provided with more than two fixing pieces, and the fixing pieces are used for fixing the infusion assembly at the designated position of the vertical slide way;
the infusion control assembly comprises a telescopic power assembly, a plurality of thrust pieces and trigger pieces, wherein the thrust pieces and the trigger pieces are arranged on the upper surface of the upper sliding piece in a one-to-one correspondence manner, a sliding groove penetrates through the wall of the accommodating frame, the length direction of the sliding groove is the vertical direction, the thrust pieces are connected to the sliding groove in a sliding manner, the end parts of the thrust pieces extend out of the accommodating frame to form connecting ends, the end parts of the trigger pieces are hinged to the connecting ends, a torsion spring is arranged between the connecting ends and the trigger pieces, the telescopic power assembly is vertically arranged at the upper end of the accommodating frame, and the telescopic ends of the telescopic power assembly can sequentially abut against each trigger piece located;
and an elastic spring is connected between the upper sliding sheet and the lower sliding sheet.
According to the technical scheme, the infusion assemblies filled with the injection are sequentially arranged in the vertical slide way of the containing frame, the fact that the infusion heads of the lower sliding pieces are arranged downwards is guaranteed, then all the infusion assemblies are arranged on the appointed positions through the fixing pieces, meanwhile, infusion tubes are inserted into the rubber membranes in each infusion assembly, all the infusion tubes are in butt joint with infusion needles, the infusion needles are inserted into the back of the hand of a patient, the elastic springs can push the upper sliding pieces and the lower sliding pieces simultaneously, and the intervals between the upper sliding pieces and the lower sliding pieces are kept;
when infusion is needed, the driving end of the telescopic power assembly moves downwards, the telescopic power assembly abuts against the trigger piece located at the top, the torsion spring can generate a torsion action on the trigger piece, the trigger piece and the thrust piece can be pushed downwards, the thrust piece can extrude the corresponding upper slide piece, the upper slide piece overcomes the elastic action of the elastic spring and slides downwards, injection liquid in the corresponding elastic bag body can be extruded and injected, when the upper slide piece is close to the lower slide piece, the telescopic end of the telescopic power assembly overcomes the action of the torsion spring due to the fixing action of the lower slide piece, so that the trigger piece rotates downwards, at the moment, the telescopic end of the telescopic power assembly continues to push downwards and further continues to contact with the trigger piece located below, and infusion action of the infusion assembly located below is completed;
above-mentioned inner structure can accomplish the function of changing the infusion bottle infusion automatically, helps promoting whole medical care experience degree.
Preferably, the connecting end is provided with a limiting block, the limiting block is located above a hinge point between the connecting end and the trigger piece, the torsion spring is used for driving the trigger piece to abut against the limiting block, and when the trigger piece abuts against the limiting block, the trigger piece is parallel to the thrust piece.
Through the technical scheme, under the action of the torsion spring, the trigger piece can be directly abutted against the limiting block, and the trigger piece keeps the condition of being parallel to the thrust piece, so that the telescopic power assembly drives the thrust piece to move more stably.
Preferably, the side of going up the gleitbretter is equipped with the gyro wheel, the gyro wheel is used for contacting with the inside wall of vertical slide.
Through above-mentioned technical scheme, when the upper sliding piece takes place to remove, the gyro wheel can offset with the inside wall of vertical slide to reduce the resistance that the upper sliding piece slided.
Preferably, the rollers are uniformly distributed on the periphery of the upper sliding sheet.
Through above-mentioned technical scheme, no matter go up the gleitbretter and incline towards which direction, the gyro wheel homoenergetic produces the contact with vertical slide, and then guarantees the smooth and easy nature and the stability of whole sliding of top shoe.
Preferably, the fixing part includes a fixing bolt, the fixing bolt penetrates through and is in threaded connection with the frame body of the accommodating frame, and the end part of the fixing bolt is used for being abutted to the side wall of the lower slider.
Through the technical scheme, the fixing bolt can penetrate through the accommodating frame by rotating the fixing bolt, and the end part of the fixing bolt can be abutted against the bottle body of the infusion bottle; when the infusion bottle needs to be disassembled, the fixing bolt is rotated reversely, and the end part of the fixing bolt can be separated from the bottle body of the infusion bottle.
Preferably, hold and be equipped with a plurality of screw holes on the frame, a plurality of screw holes are arranged along the vertical direction who holds the frame, the screw hole supplies fixing bolt to penetrate the installation.
Through the technical scheme, the quantity of the injection liquid filled in the elastic bag body is different according to different illness states, so that a user can select different threaded holes to insert the fixing bolts according to the actual size of the distance between the upper sliding sheet and the lower sliding sheet so as to control the distance between the upper infusion component and the lower infusion component.
Preferably, the bag wall of the elastic bag body is in a bellows shape.
Through above-mentioned technical scheme, when the injection in the elastic bag body gradually becomes little, the elastic bag body surface can produce deformation, and the tubulose elastic bag body of ripple enables the deformation of the elastic bag body and has regularity more, accomodates more conveniently.
Preferably, the end of the triggering sheet, which faces away from the thrust sheet, is provided with a ball.
Through above-mentioned technical scheme, when the upper sliding sheet is close to mutually with the lower sliding sheet, trigger the piece and take place to rotate, the flexible end lateral wall of flexible power component can offset with the ball of trigger piece tip, and then can reduce the flexible end lateral wall of flexible power component can with trigger the produced wearing and tearing volume between the piece tip.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
fig. 2 is an enlarged view of a portion a of fig. 1.
Reference numerals: 1. an accommodating frame; 2. a vertical slideway; 3. a fluid delivery assembly; 4. an upper sliding sheet; 5. an elastic bag body; 6. a lower slip sheet; 7. an infusion port; 8. a rubber diaphragm; 9. a fixing member; 10. fixing the bolt; 11. an infusion control assembly; 12. a telescopic power assembly; 13. a thrust piece; 14. a connecting end; 15. a trigger piece; 16. a chute; 17. a torsion spring; 18. a limiting block; 19. a roller; 20. a threaded hole; 21. a ball bearing; 22. an elastic spring.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.
The utility model provides a medical intravenous blood injection bottle-by-bottle liquid pusher, is equipped with vertical slide 2 including holding frame 1 in holding frame 1, and the direction of vertical slide 2 is the vertical direction, installs infusion subassembly 3 more than two in the vertical slide 2.
The infusion set 3 comprises an upper sliding sheet 4, an elastic bag body 5 and a lower sliding sheet 6, wherein the upper sliding sheet 4 is positioned above the lower sliding sheet 6, the elastic bag body 5 is arranged between the upper sliding sheet 4 and the lower sliding sheet 6, and the bag wall of the elastic bag body 5 is in a corrugated pipe shape. The lower sliding piece 6 is provided with an infusion port 7, the infusion port 7 is communicated with the inside of the elastic bag body 5, a rubber diaphragm 8 is arranged in the infusion port 7, and the rubber diaphragm 8 is used for sealing the infusion port 7.
The containing frame 1 is provided with more than two fixing parts 9, each fixing part 9 comprises a fixing bolt 10, each fixing bolt 10 penetrates through the frame body of the containing frame 1 and is in threaded connection with the frame body of the containing frame 1, the end part of each fixing bolt 10 is used for abutting against the bottle body of an infusion bottle, and each fixing bolt 10 is used for fixing the infusion assembly 3 at the specified position of the vertical slide way 2.
Hold and be equipped with a plurality of screw holes 20 and a plurality of spliced eye on the frame 1, a plurality of screw holes 20 evenly arrange along the vertical direction that holds frame 1, and screw hole 20 supplies fixing bolt 10 to penetrate the installation, and a plurality of spliced eyes evenly arrange along the vertical direction that holds frame 1, and the spliced eye supplies the inductive head to insert.
A plurality of infusion control assemblies 11 are also arranged, and each infusion control assembly 11 correspondingly controls the upper infusion assembly 3 and the lower infusion assembly 3. The infusion control assembly 11 comprises a telescopic power assembly 12, a plurality of thrust pieces 13 and a plurality of triggering pieces 15 which are arranged on the upper surface of the upper sliding piece 4 in a one-to-one correspondence manner, a sliding groove 16 penetrates through the wall of the accommodating frame 1, and the sliding groove 16 penetrates through the upper end face and the lower end face of the accommodating frame 1 from top to bottom. The length direction of the sliding groove 16 is a vertical direction, the thrust sheet 13 is connected to the sliding groove 16 in a sliding mode, and the part, located in the vertical sliding way 2, of the thrust sheet 13 can be abutted to the upper plane of the upper sliding sheet 4. The end of the thrust sheet 13 extends out of the containing frame 1 to form a connecting end 14, the end of the trigger sheet 15 is hinged to the connecting end 14, a torsion spring 17 is arranged between the connecting end 14 and the trigger sheet 15, and the torsion spring 17 can generate upward torsion to the trigger sheet 15. The telescopic power assembly 12 is vertically installed at the upper end of the accommodating frame 1, wherein the telescopic power assembly 12 can select an electric cylinder, and the telescopic end of the telescopic power assembly 12 can sequentially abut against each triggering sheet 15 positioned below. An elastic spring 22 is connected between the upper slide 4 and the lower slide 6, and the elastic spring 22 only provides a small amount of force for maintaining the distance between the upper slide 4 and the lower slide 6.
The connecting end 14 is provided with a limiting block 18, the limiting block 18 is positioned above a hinged point between the connecting end 14 and the triggering sheet 15, the torsion spring 17 is used for driving the triggering sheet 15 to be permanently abutted against the limiting block 18, and when the triggering sheet 15 is abutted against the limiting block 18, the triggering sheet 15 is parallel to the thrust sheet 13.
Be equipped with gyro wheel 19 at the side of last gleitbretter 4, gyro wheel 19 evenly distributed is in the periphery of last gleitbretter 4, and gyro wheel 19 is used for contacting with the inside wall of vertical slide 2. The end of the trigger piece 15 departing from the thrust piece 13 is provided with a ball 21, and after the output end of the telescopic power assembly 12 pushes the thrust piece 13, the ball 21 can be contacted with the outer side wall of the output end of the telescopic power assembly 12 in an abutting mode.
In the specific implementation process:
the installation process, infusion subassembly 3 installs in proper order in the vertical slide 2 who holds frame 1, and keep all infusion subassemblies 3's lower gleitbretter 6 to be located the below, then according to the interval between last gleitbretter 4 and the lower gleitbretter 6 in the single infusion subassembly 3 of reality, select the screw hole 20 of suitable position, screw in fixing bolt 10, fixing bolt 10 can be fixed in infusion subassembly 3 at the appointed height, again with thrust piece 13 install in proper order and correspond the upper surface of last gleitbretter 4, trigger piece 15 is located and holds the frame 1 outside this moment, torsional spring 17 drives trigger piece 15 and upwards rotates around the pin joint, and trigger piece 15 can offset with stopper 18, trigger piece 15 keeps the state parallel with thrust piece 13.
During the infusion process, the telescopic power assembly 12 is started, the driving end of the telescopic power assembly 12 abuts against the uppermost trigger piece 15 first, the whole trigger piece 15 and the thrust piece 13 can push the upper sliding piece 4 to move downwards, the upper sliding piece 4 overcomes the action of the elastic spring 22 and moves downwards, the upper sliding piece 4 extrudes the elastic bag body 5, liquid in the elastic bag body 5 can flow out, after injection of injection in the elastic bag body 5 is completed, the telescopic power assembly 12 continues to move downwards, the trigger piece 15 can overcome the torsion of the torsion spring 17 and rotate downwards until the telescopic end of the telescopic power assembly 12 passes through, the ball 21 at the end part of the trigger piece 15 can abut against and roll against the outer side wall of the telescopic end of the telescopic power assembly 12, the telescopic end of the telescopic power assembly 12 can contact with the trigger piece 15 located below, and then the elastic bag body 5 located below can generate the infusion effect.
The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.
Claims (8)
1. The utility model provides a medical venous blood injection bottle-by-bottle liquid pusher, is including holding frame (1), it is equipped with vertical slide (2) in frame (1) to hold, install infusion subassembly (3) more than two in vertical slide (2), characterized by: the infusion assembly (3) comprises an upper sliding piece (4), an elastic bag body (5) and a lower sliding piece (6), the upper sliding piece (4) is located above the lower sliding piece (6), the upper sliding piece (4) is made of a light plastic sheet, the elastic bag body (5) is installed between the upper sliding piece (4) and the lower sliding piece (6), an infusion port (7) is formed in the lower sliding piece (6), the infusion port (7) is communicated with the interior of the elastic bag body (5), a rubber membrane (8) is arranged in the infusion port (7), and the rubber membrane (8) is used for sealing the infusion port (7);
the accommodating frame (1) is provided with more than two fixing pieces (9), and the fixing pieces (9) are used for fixing the infusion assembly (3) at the designated position of the vertical slide way (2);
the infusion control device also comprises an infusion control assembly (11), wherein the infusion control assembly (11) comprises a telescopic power assembly (12), a plurality of thrust pieces (13) and triggering pieces (15), the thrust pieces and the triggering pieces are arranged on the upper surface of the upper sliding piece (4) in a one-to-one correspondence manner, a sliding chute (16) penetrates through the wall of the accommodating frame (1), the length direction of the sliding chute (16) is vertical, the thrust sheet (13) is connected with the sliding groove (16) in a sliding way, the end part of the thrust sheet (13) extends out of the accommodating frame (1) to form a connecting end (14), the end part of the trigger piece (15) is hinged with the connecting end (14), a torsion spring (17) is arranged between the connecting end (14) and the trigger piece (15), the telescopic power assembly (12) is vertically arranged at the upper end of the containing frame (1), the telescopic end of the telescopic power assembly (12) can sequentially abut against each trigger piece (15) positioned below;
and an elastic spring (22) is connected between the upper sliding sheet (4) and the lower sliding sheet (6).
2. The medical bottle-by-bottle pusher for intravenous blood injection according to claim 1, wherein: the connecting end (14) is provided with a limiting block (18), the limiting block (18) is located above a hinged point between the connecting end (14) and the triggering sheet (15), the torsion spring (17) is used for driving the triggering sheet (15) to abut against the limiting block (18), and when the triggering sheet (15) abuts against the limiting block (18), the triggering sheet (15) is parallel to the thrust sheet (13).
3. The medical bottle-by-bottle pusher for intravenous blood injection according to claim 1, wherein: the side of going up gleitbretter (4) is equipped with gyro wheel (19), gyro wheel (19) are used for contacting with the inside wall of vertical slide (2).
4. The medical bottle-by-bottle pusher for intravenous blood injection according to claim 2, wherein: the rollers (19) are uniformly distributed on the periphery of the upper sliding sheet (4).
5. The medical bottle-by-bottle pusher for intravenous blood injection according to claim 1, wherein: the fixing piece (9) comprises a fixing bolt (10), the fixing bolt (10) penetrates through the frame body of the accommodating frame (1) in a threaded mode, and the end portion of the fixing bolt (10) is used for abutting against the side wall of the lower sliding piece (6).
6. The medical bottle-by-bottle pusher for intravenous blood injection according to claim 5, wherein: the novel LED lamp holder is characterized in that a plurality of threaded holes (20) are formed in the accommodating frame (1), the threaded holes (20) are arranged along the vertical direction of the accommodating frame (1), and the threaded holes (20) are used for fixing bolts (10) to penetrate through for installation.
7. The medical bottle-by-bottle pusher for intravenous blood injection according to claim 1, wherein: the bag wall of the elastic bag body (5) is in a corrugated pipe shape.
8. The medical bottle-by-bottle pusher for intravenous blood injection according to claim 2, wherein: and a ball (21) is arranged at the end part of the triggering sheet (15) departing from the thrust sheet (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010049981.4A CN111135370B (en) | 2020-01-17 | 2020-01-17 | Medical intravenous blood injection bottle-by-bottle liquid pusher |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010049981.4A CN111135370B (en) | 2020-01-17 | 2020-01-17 | Medical intravenous blood injection bottle-by-bottle liquid pusher |
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| CN111135370A CN111135370A (en) | 2020-05-12 |
| CN111135370B true CN111135370B (en) | 2021-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010049981.4A Active CN111135370B (en) | 2020-01-17 | 2020-01-17 | Medical intravenous blood injection bottle-by-bottle liquid pusher |
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| CN106492300A (en) * | 2016-11-22 | 2017-03-15 | 长江师范学院 | A kind of changing bottle of infusion device |
| CN106975124A (en) * | 2017-03-31 | 2017-07-25 | 孝感嘉瑞应用科技开发有限公司 | Many infusion bottle valve arrangements |
| CN206508326U (en) * | 2016-08-19 | 2017-09-22 | 黄河科技学院 | Infusion bottle automated needle changeover infusion device arranged in a straight line |
| CN108478897A (en) * | 2018-04-25 | 2018-09-04 | 上海市东方医院 | A kind of changing liquid automatically device |
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| CN110237350A (en) * | 2019-07-19 | 2019-09-17 | 洪杏秀 | One kind is medical, and pulling out needle changes bottled syringe and its application method automatically |
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| WO2007107406A2 (en) * | 2006-03-17 | 2007-09-27 | Novo Nordisk A/S | A connectable device and a device assembly for delivering a liquid drug |
| AU2010266338B2 (en) * | 2009-07-01 | 2013-11-14 | Fresenius Medical Care Holdings, Inc. | Drug delivery devices and related systems and methods |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5308322A (en) * | 1993-04-19 | 1994-05-03 | Tennican Patrick O | Central venous catheter access system |
| CN104667388A (en) * | 2015-03-04 | 2015-06-03 | 魏长同 | Infusion bottle |
| CN105662854A (en) * | 2016-03-25 | 2016-06-15 | 郭志现 | Infusion bottle |
| CN206508326U (en) * | 2016-08-19 | 2017-09-22 | 黄河科技学院 | Infusion bottle automated needle changeover infusion device arranged in a straight line |
| CN106492300A (en) * | 2016-11-22 | 2017-03-15 | 长江师范学院 | A kind of changing bottle of infusion device |
| CN106975124A (en) * | 2017-03-31 | 2017-07-25 | 孝感嘉瑞应用科技开发有限公司 | Many infusion bottle valve arrangements |
| CN108478897A (en) * | 2018-04-25 | 2018-09-04 | 上海市东方医院 | A kind of changing liquid automatically device |
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| CN110237350A (en) * | 2019-07-19 | 2019-09-17 | 洪杏秀 | One kind is medical, and pulling out needle changes bottled syringe and its application method automatically |
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| Publication number | Publication date |
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| CN111135370A (en) | 2020-05-12 |
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Inventor after: Fu Xiao Yue Inventor after: Sun Wenjuan Inventor after: Cheng Lijie Inventor after: Shang Peipei Inventor after: Xing Yijun Inventor before: Xing Yijun |
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Effective date of registration: 20201217 Address after: Affiliated Hospital of Qingdao University, 59 Haier Road, Laoshan District, Qingdao City, Shandong Province 266000 Applicant after: THE AFFILIATED HOSPITAL OF QINGDAO University Address before: 318020 Jiangkou street, Huangyan District, Taizhou, Zhejiang Province, No. 208 Applicant before: Xing Yijun |
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