CN208130004U - A kind of vacuum tightness detection blood storage device - Google Patents
A kind of vacuum tightness detection blood storage device Download PDFInfo
- Publication number
- CN208130004U CN208130004U CN201721710307.6U CN201721710307U CN208130004U CN 208130004 U CN208130004 U CN 208130004U CN 201721710307 U CN201721710307 U CN 201721710307U CN 208130004 U CN208130004 U CN 208130004U
- Authority
- CN
- China
- Prior art keywords
- storage tube
- tube
- mobile bar
- vacuum tightness
- storage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model relates to vacuum tightness detection device technical fields, and disclose a kind of vacuum tightness detection blood storage device, including storage tube, the side of the storage inside pipe wall is sequentially connected by the side of spring and movable plate, and separating plate is fixedly installed in the middle part of storage tube cavity, the middle part movable sleeve of the separating plate is connected to mobile bar, one end that the mobile bar is located at separating plate side is fixedly connected with the side of first piston, and one end fixing sleeve of the mobile bar between separating plate and first piston is equipped with second piston.The vacuum tightness detects blood storage device, it is injected water into storage tube by locking device, utilize the cooperation of first turn of liquid mouth, second turn of liquid mouth and catheter, convenient for the liquid in storage tube is shifted, it is closed again by control device, convenient for inner air tube is discharged by water, and then guarantees that the air in pipe is discharged more thorough, guarantee the abundance of blood sampling volume, and then improves the accuracy of detection.
Description
Technical field
The utility model relates to vacuum tightness detection device technical field, specially a kind of vacuum tightness detects blood storage
Device.
Background technique
A kind of heparin tube of negative pressure of vacuum of vacuum blood collection tube, a large amount of uses and the preservation of blood of self-reacting device are to blood sample
More stringent requirements are proposed for original traits stability, breaches vacuum blood drawing technique only for the requirement of safety, accurate
Property, sample original traits, hold time and the performance indicators such as the cooperation of pipe machine, test tube intensity all can serve as evaluation vacuum blood collection
The foundation of pipe quality.
Vacuum blood collection tube is the storage equipment for being directed to blood to be detected, and required vacuum blood collection tube needs to carry out true
The processing of reciprocal of duty cycle, the quantitative vacuum in heparin tube gives blood collection procedure to provide power, and realizes quantitative collection, blood volume acquisition it is more
Testing result is directly affected less, since the blood situation of patient is different, is often caused since heparin tube vacuum degree is lower
Blood can't pump out or blood volume is very few, cause testing result inaccurate, and the processing that traditional heparin tube carries out vacuum degree is will to adopt
Blood vessel is put under vacuum environment and is extracted, and vacuum effectiveness processing is bad, operates blood sampling tube capacity that is relatively complicated, and handling well
Blood easily into air, and in heparin tube is easy solidification, makes troubles to detection, and traditional solution is to utilize sprayer
Anti-coagulants is sprayed into heparin tube, the anticoagulant of blood is carried out, unevenly will lead to the solidification of blood due to spraying, we mention thus
A kind of vacuum tightness detects blood storage device out.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of vacuum tightness detection blood storage device, has
Easy to operate, the advantages that anticoagulant effect is good and vacuum tightness is good, solves traditional heparin tube when being drawn blood, due to true
Reciprocal of duty cycle is lower, and amount of blood collected is insufficient, causes testing result inaccurate, anticoagulant effect is bad to cause blood to solidify in pipe, no
Facilitate and detected, and then needs to carry out concussion centrifugal treating, complex for operation step, the lower problem of efficiency.
(2) technical solution
To realize that aforesaid operations are easy, anticoagulant effect is good and the good purpose of vacuum tightness, the utility model provides following skill
Art scheme：A kind of vacuum tightness detects blood storage device, including storage tube, the side of the storage inside pipe wall by spring with
The side of movable plate is sequentially connected, and stores and be fixedly installed with separating plate in the middle part of tube cavity, the middle part activity of the separating plate
It is socketed with mobile bar, one end that the mobile bar is located at separating plate side is fixedly connected with the side of first piston, the movement
One end fixing sleeve of the bar between separating plate and first piston be equipped with second piston, between the second piston and separating plate and
Locating piece is fixedly installed on the inner wall at the top of storage tube, the other end of the mobile bar, which runs through movable plate and extends to, to be deposited
The outside of storage pipe is fixedly connected with the first briquetting, the side of the movable plate by the casing that is located in mobile bar with positioned at depositing
The second briquetting outside storage pipe is fixedly connected, second briquetting and mobile bar pivot bush unit, the storage tube bottom end
Middle part offers first turn of liquid mouth, and the side for storing bottom of the tube offer second turn of liquid mouth, first turn of liquid mouth lower section and
It is fixedly connected positioned at the outer wall of storage tube with one end of catheter, the outer wall of the storage tube and the lower section for being located at second turn of liquid mouth
It is fixedly connected with the top of outlet tube, the catheter is fixedly connected with outlet tube by control device.
Preferably, the control device includes valve body bracket, and the top of the valve body bracket and the bottom end of catheter are fixed
Socket, and the bottom of valve body bracket and one end of outlet tube are fixedly attached, the side of the valve body bracket is fixedly installed with fixation
Frame, the side of the fixed frame are threaded with clamping screw, and the catheter and outlet tube are located at the one of valve body internal stent
End is flexibly connected with the top and bottom of valve plate respectively, and the side of the valve plate extends to the inside of fixed frame and passes through link block
The one end for being located at fixed frame inner cavity with clamping screw is sequentially connected, the side pivot bush unit of the clamping screw and link block.
Preferably, the side at the top of the storage tube is fixedly installed with gage, and offers first in the middle part of storage tube and go out
For first venthole described in stomata between separating plate and locating piece, the other side at the top of the storage tube offers the second outlet
Hole, second venthole are located between movable plate and storage inside pipe wall, and the storage tube is threadedly coupled close to the side of gage
There is locking device.
Preferably, the locking device includes closing pipe sleeve, and the closing pipe sleeve is threadedly coupled with storage tube, the closing
The middle part movable sleeve of pipe sleeve is connected to inlet tube, the inlet tube be located at one end outside closing pipe sleeve by control device with connect
Pipe is fixedly connected.
Preferably, the top and bottom fixing sleeve of the second piston equipped with annular anti-coagulants, the anti-coagulants with deposit
The inner wall for storing up pipe is flexibly connected.
Preferably, the internal diameter of described sleeve pipe is 3/2nds of mobile bar outer diameter, and casing is not contacted with mobile bar.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of vacuum tightness detection blood storage device, has following
Beneficial effect：
1, the vacuum tightness detects blood storage device, is injected water into storage tube by locking device, utilizes first turn
The cooperation of liquid mouth, second turn of liquid mouth and catheter convenient for shifting the liquid in storage tube, then passes through control device and carries out
Closing convenient for inner air tube is discharged by water, and then guarantees that the air in pipe is discharged more thorough, guarantees blood sampling volume
Abundance, and then improve the accuracy of detection.
2, vacuum tightness detection blood storage device is facilitated anti-coagulants is equal by the movement in second piston again pipe
Even is applied on the inner wall of storage tube, and then guarantees that the blood anticoagulant effect in storage tube is more preferable, to be not necessarily to when detecting
Carry out centrifugal treating, simplify operating procedure, using gage convenient for control blood sampling volume number.
Detailed description of the invention
Fig. 1 is the utility model structure front schematic view；
Fig. 2 is the utility model structure control device side schematic view.
In figure：1 storage tube, 2 springs, 3 movable plates, 4 separating plates, 5 mobile bars, 6 first pistons, 7 second pistons, 8 positioning
Block, 9 first briquettings, 10 casings, 11 second briquettings, 12 first turns of liquid mouths, 13 second turns of liquid mouths, 14 catheters, 15 go out liquid
Pipe, 16 control devices, 161 valve body brackets, 162 fixed frames, 163 clamping screws, 164 valve plates, 165 link blocks, 17 gages, 18
One venthole, 19 second ventholes, 20 locking devices, 201 closing pipe sleeves, 202 inlet tubes, 203 connecting tubes, 21 anti-coagulants.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of vacuum tightness detection blood storage device referring to FIG. 1-2, including storage tube 1, the one of 1 top of storage tube
Side is fixedly installed with gage 17, and the middle part of storage tube 1 offer 18 first venthole 18 of the first venthole be located at separating plate 4 with
Between locating piece 8, the other side at 1 top of storage tube offers the second venthole 19, and the second venthole 19 is located at movable plate 3 and deposits
It stores up between 1 inner wall of pipe, storage tube 1 is threaded with locking device 20 close to the side of gage 17, and locking device 20 includes closing
Pipe sleeve 201, closing pipe sleeve 201 are threadedly coupled with storage tube 1, and the middle part movable sleeve of closing pipe sleeve 201 is connected to inlet tube 202, into
One end that liquid pipe 202 is located at outside closing pipe sleeve 201 is fixedly connected by control device 16 with connecting tube 203, convenient for passing through envelope
It closes device 20 liquid is sent into storage tube 1, facilitates the discharge of air, and then be connected to blood taking needle by connecting tube 203, in turn
Blood is transferred in storage tube 1, facilitates detection, simplifies operating procedure, improves the efficiency of vacuum processing, is convenient for throughput
Ruler 17 control blood sampling volume number, to guarantee the accuracy of testing result, pass through the first venthole 18 and the second venthole 19
Guarantee that second piston 7 and movable plate 3 can be moved smoothly in storage tube 1, thus preferably by the air in storage tube 1
Discharge guarantees that the vacuum degree in storage tube 1 is certain value, and the side of 1 inner wall of storage tube passes through the side of spring 2 and movable plate 3
Transmission connection, and separating plate 4 is fixedly installed in the middle part of 1 inner cavity of storage tube, the middle part movable sleeve of separating plate 4 is connected to mobile bar 5,
One end that mobile bar 5 is located at 4 side of separating plate is fixedly connected with the side of first piston 6, and mobile bar 5 is located at separating plate 4 and
One end fixing sleeve between one piston 6 is equipped with second piston 7, and the top and bottom fixing sleeve of second piston 7 is equipped with the anti-of annular
Solidifying agent 21, anti-coagulants 21 are flexibly connected with the inner wall of storage tube 1, convenient for uniformly being smeared anti-coagulants 21 by second piston 7
In the inner wall of storage tube 1, and then anticoagulant effect is improved, prevent blood clotting, carry out centrifugal treating after avoiding blood clotting, improved
The efficiency of detection between second piston 7 and separating plate 4 and is located on the inner wall at 1 top of storage tube and is fixedly installed with locating piece
8, the other end of mobile bar 5 is through movable plate 3 and extends to the outside of storage tube 1 and is fixedly connected with the first briquetting 9, movable plate
3 side is fixedly connected by the casing 10 being located in mobile bar 5 with the second briquetting 11 being located at outside storage tube 1, casing
10 internal diameter is 3/2nds of 5 outer diameter of mobile bar, and casing 10 is not contacted with mobile bar 5, guarantees pushing the first briquetting 9
When with the second briquetting 11, mobile bar 5 and casing 10 will not collide the reasonability and feasibility for improving device together, the
Two briquettings 11 and 5 pivot bush unit of mobile bar offer first turn of liquid mouth 12, and 1 bottom of storage tube in the middle part of 1 bottom end of storage tube
Side offer second turn of liquid mouth, 13 first turns of liquid mouths 12 lower section and be located at storage tube 1 outer wall and catheter 14 one end
Be fixedly connected, the outer wall of storage tube 1 and be located at second turn of liquid mouth 13 lower section be fixedly connected with the top of outlet tube 15, catheter
14 are fixedly connected with outlet tube 15 by control device 16, and control device 16 includes valve body bracket 161, the top of valve body bracket 161
Portion and the bottom end of catheter 14 are fixedly attached, and the bottom of valve body bracket 161 and one end of outlet tube 15 are fixedly attached, valve body branch
The side of frame 161 is fixedly installed with fixed frame 162, and the side of fixed frame 162 is threaded with clamping screw 163, catheter 14
It is located at one end inside valve body bracket 161 with outlet tube 15 to be flexibly connected with the top and bottom of valve plate 164 respectively, valve plate 164
Side extend to the inside of fixed frame 162 and be located at the one of 162 inner cavity of fixed frame by link block 165 and clamping screw 163
End transmission connection, the side pivot bush unit of clamping screw 163 and link block 165, convenient for by clamping screw 163 tighten and it is loose
It opens, controls the circulation and closing of water flow and air, so that keeping certain vacuum degree in storage tube 1, preferably carry out blood
The acquisition of liquid.
When work, it is first turned on the clamping screw 163 of 20 upper controller 16 of locking device, by water from 20 note of locking device
Enter in storage tube 1, when liquid moves to second piston 7 at locating piece 8, closes the control device 16 on locking device 20, beat
First turn of liquid mouth 12 is connected to by the clamping screw 163 for outputing 15 upper controller 16 of liquid pipe with second turn of liquid mouth 13, pulls second
Briquetting 11 utilizes 3 compressed spring 2 of movable plate, the water on 4 right side of separating plate is transferred to left side, then push the first briquetting 9, benefit
It pushes first piston 6 to move to right with mobile bar 5, remaining water is discharged, while anti-coagulants 21 is merged with the water on tube wall, is made
It obtains anti-coagulants 21 to attach on tube wall, prevents blood clotting, when water is all drained, close 15 upper controller 16 of outlet tube
The air between separating plate 4 and second piston 7 is discharged from the first venthole 18 for clamping screw 163, the first briquetting 9 of pulling back,
So that the vacuum degree between a piston 6 and locking device 20 maintains certain value, facilitate blood sampling.
In conclusion the vacuum tightness detects blood storage device, injected water into storage tube 1 by locking device 20,
Using the cooperation of 12, second turns of liquid mouths 13 and catheter 14 of first turn of liquid mouth, convenient for the liquid in storage tube 1 is shifted,
It is closed again by control device 16, convenient for inner air tube is discharged by water, and then guarantees the air discharge in pipe
More thoroughly, guarantee the abundance of blood sampling volume, and then improve the accuracy of detection；It is convenient by the movement in second piston 7 again pipe
Anti-coagulants 21 is uniformly applied on the inner wall of storage tube 1, and then guarantees that the blood anticoagulant effect in storage tube 1 is more preferable, from
And when detecting without carry out centrifugal treating, simplify operating procedure, using gage 17 convenient for control blood sampling volume number, solve
Traditional heparin tube is when being drawn blood, and since vacuum degree is lower, amount of blood collected is insufficient, causes the testing result inaccurate,
Anticoagulant effect is bad to cause blood to solidify in pipe, it has not been convenient to and it is detected, and then needs to carry out concussion centrifugal treating, operation step
Rapid cumbersome, the lower problem of efficiency.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of vacuum tightness detects blood storage device, including storage tube (1), it is characterised in that：Storage tube (1) inner wall
Side be sequentially connected by the side of spring (2) and movable plate (3), and be fixedly installed in the middle part of storage tube (1) inner cavity point
From plate (4), the middle part movable sleeve of the separating plate (4) is connected to mobile bar (5), and the mobile bar (5) is located at separating plate (4) side
One end be fixedly connected with the side of first piston (6), the mobile bar (5) is located between separating plate (4) and first piston (6)
One end fixing sleeve be equipped with second piston (7), between the second piston (7) and separating plate (4) and be located at storage tube (1) top
Inner wall on be fixedly installed with locating piece (8), the other end of the mobile bar (5) is through movable plate (3) and extends to storage tube
(1) outside is fixedly connected with the first briquetting (9), and the side of the movable plate (3) passes through the casing on mobile bar (5)
(10) second briquetting (11) external with storage tube (1) is located at is fixedly connected, second briquetting (11) and mobile bar (5)
Pivot bush unit offers first turn of liquid mouth (12) in the middle part of storage tube (1) bottom end, and the side of storage tube (1) bottom is opened
Lower section equipped with second turn of liquid mouth (13), first turn of liquid mouth (12) and outer wall and catheter (14) for being located at storage tube (1)
One end is fixedly connected, the outer wall of the storage tube (1) and be located at second turn of liquid mouth (13) lower section and outlet tube (15) top
It is fixedly connected, the catheter (14) is fixedly connected with outlet tube (15) by control device (16).
2. a kind of vacuum tightness according to claim 1 detects blood storage device, it is characterised in that：The control device
It (16) include valve body bracket (161), the top of the valve body bracket (161) and the bottom end of catheter (14) are fixedly attached, and valve
The bottom of body support frame (161) and one end of outlet tube (15) are fixedly attached, and the side of the valve body bracket (161) is fixedly installed with
The side of fixed frame (162), the fixed frame (162) is threaded with clamping screw (163), the catheter (14) and liquid out
Pipe (15) is located at the internal one end of valve body bracket (161) and is flexibly connected respectively with the top and bottom of valve plate (164), the valve plate
(164) side extends to the inside of fixed frame (162) and is located at fixed frame by link block (165) and clamping screw (163)
(162) one end transmission connection of inner cavity, the side pivot bush unit of the clamping screw (163) and link block (165).
3. a kind of vacuum tightness according to claim 1 detects blood storage device, it is characterised in that：The storage tube
(1) side at the top of is fixedly installed with gage (17), and the first venthole (18) described first is offered in the middle part of storage tube (1)
Venthole (18) is located between separating plate (4) and locating piece (8), and the other side at the top of the storage tube (1) offers second and goes out
Stomata (19), second venthole (19) are located between movable plate (3) and storage tube (1) inner wall, and the storage tube (1) is close
The side of gage (17) is threaded with locking device (20).
4. a kind of vacuum tightness according to claim 3 detects blood storage device, it is characterised in that：The locking device
It (20) include closing pipe sleeve (201), the closing pipe sleeve (201) is threadedly coupled with storage tube (1), the closing pipe sleeve (201)
Middle part movable sleeve be connected to inlet tube (202), the inlet tube (202) is located at the external one end of closing pipe sleeve (201) and passes through control
Device (16) processed is fixedly connected with connecting tube (203).
5. a kind of vacuum tightness according to claim 1 detects blood storage device, it is characterised in that：The second piston
(7) anti-coagulants (21) of the top and bottom fixing sleeve equipped with annular, the inner wall activity of the anti-coagulants (21) and storage tube (1)
Connection.
6. a kind of vacuum tightness according to claim 1 detects blood storage device, it is characterised in that：Described sleeve pipe (10)
Internal diameter be 3/2nds of mobile bar (5) outer diameter, and casing (10) is not contacted with mobile bar (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721710307.6U CN208130004U (en) | 2017-12-11 | 2017-12-11 | A kind of vacuum tightness detection blood storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721710307.6U CN208130004U (en) | 2017-12-11 | 2017-12-11 | A kind of vacuum tightness detection blood storage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208130004U true CN208130004U (en) | 2018-11-23 |
Family
ID=64283983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721710307.6U Active CN208130004U (en) | 2017-12-11 | 2017-12-11 | A kind of vacuum tightness detection blood storage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208130004U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109480918A (en) * | 2018-12-23 | 2019-03-19 | 张国华 | A kind of blood internal medicine bone marrow aspiration draw-out device |
| CN110484959A (en) * | 2019-09-11 | 2019-11-22 | 东阳市艾克思科技有限公司 | A kind of protective atmosphere ionic liquid coating apparatus liquid transfer device |
-
2017
- 2017-12-11 CN CN201721710307.6U patent/CN208130004U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109480918A (en) * | 2018-12-23 | 2019-03-19 | 张国华 | A kind of blood internal medicine bone marrow aspiration draw-out device |
| CN109480918B (en) * | 2018-12-23 | 2021-07-13 | 张国华 | Bone marrow puncture extraction device for hematology department |
| CN110484959A (en) * | 2019-09-11 | 2019-11-22 | 东阳市艾克思科技有限公司 | A kind of protective atmosphere ionic liquid coating apparatus liquid transfer device |
| CN110484959B (en) * | 2019-09-11 | 2024-05-10 | 东阳市艾克思科技有限公司 | Protective atmosphere ionic liquid plating equipment liquid transfer device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208130004U (en) | A kind of vacuum tightness detection blood storage device | |
| CN207197860U (en) | A kind of hydraulic engineering water quality sampling device | |
| CN208283228U (en) | A kind of dust Quick testing instrument | |
| CN111537277A (en) | Urine albumen automated inspection equipment | |
| CN219475104U (en) | Sampling device of flue gas monitoring system | |
| CN105651554A (en) | Collection device and collection method of concrete pore solution | |
| CN208968883U (en) | A kind of environmental monitoring sampling quantitative filling device | |
| CN209513347U (en) | Urine, watery stool quantitative collector | |
| CN208171677U (en) | A kind of water quality detection sampler | |
| CN208458935U (en) | A kind of tap water conveyance conduit package seal checker | |
| CN210675270U (en) | Chemical examination platform for detecting pesticide residues of crops | |
| CN208888010U (en) | A kind of environment protection compressor exhaust sampling device | |
| CN201247166Y (en) | Sampler under tank | |
| CN214485727U (en) | Pressure extraction device for replacing Soxhlet extractor in material analysis | |
| CN210905165U (en) | A filter equipment for food detection | |
| CN209102575U (en) | A kind of permeability experimental facility | |
| CN208653870U (en) | A kind of hand fluid sample collection device | |
| CN210138683U (en) | Anti-pollution sample container for test | |
| CN205808768U (en) | The device of micro volume solution in a kind of in-situ acquisition gap | |
| CN219830737U (en) | Geotechnical mechanical permeability simulation test device with adjustable air pressure | |
| DE1949017A1 (en) | Methods of cleaning clothing | |
| CN205138849U (en) | Solution gas sampling device | |
| CN208551824U (en) | A kind of Clinicopathologic Diagnosis sampler | |
| CN209264352U (en) | A kind of sensor proportioning device | |
| CN215727036U (en) | Liquid extraction device for detection after wastewater treatment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210719 Address after: 101-92, 1st floor, building 2, yard 2, Jinsheng street, Daxing District, Beijing Patentee after: Beijing xiehang Biotechnology Co.,Ltd. Address before: 300000 No.29 Xinye 7th Street, West District, economic and Technological Development Zone, Hexi District, Tianjin Patentee before: TIANJIN DEXIANG BIOTECHNOLOGY Co.,Ltd. |