CN108113883A - Drawing liquid container and liquid pumping method - Google Patents
Drawing liquid container and liquid pumping method Download PDFInfo
- Publication number
- CN108113883A CN108113883A CN201611077750.4A CN201611077750A CN108113883A CN 108113883 A CN108113883 A CN 108113883A CN 201611077750 A CN201611077750 A CN 201611077750A CN 108113883 A CN108113883 A CN 108113883A
- Authority
- CN
- China
- Prior art keywords
- needle
- drawing liquid
- needle body
- liquid container
- container
- 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.)
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Links
- 239000007788 liquid Substances 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000005086 pumping Methods 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 53
- 239000005060 rubber Substances 0.000 claims description 10
- 239000000284 extract Substances 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 238000001802 infusion Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000007799 cork Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
- A61J1/2006—Piercing means
- A61J1/201—Piercing means having one piercing end
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
Abstract
The invention discloses a kind of drawing liquid container and liquid pumping method, drawing liquid container includes vessel and container top, and the container top and the vessel form sealing space, and there are negative pressure in the sealing space；The container top is equipped with hollow needle body, and described needle body one end is connected in the sealing space, and the other end is cased with sealing the needle guard of the needle body, and the top of the needle guard by the film that the needle body pierces through by can be made.Drawing liquid structure of container provided by the invention is simple, facilitates easy-to-use, and the solution for shifting various volumes can be extracted with liquid pumping method provided by the invention, applied widely.
Description
Technical field
The present invention relates to medical instruments field, more particularly to a kind of drawing liquid container and liquid pumping method.
Background technology
In the fields such as daily life, experimental teaching, scientific research, particularly in the medical field, usually may require that by
Some solution are shifted by certain instrument, want to avoid the interference of external environment in transfer process, such as oxygen,
The influence of dust, bacterium etc., therefore usually need using sterile vacuum transfer tool, for example, syringe by disinfection or
It is carried out in gnotobasis, such as in glove box.
However, or syringe capacity is small, specification more than 100ml syringe almost without so once needing to turn
It moves tank solution and generally requires multi-pass operation.Also, even if there is large-scale syringe, operation is also inconvenient.In gnotobasis
It carries out, but will additionally increase the cost of solution transfer operation, be substantially also not convenient.
The content of the invention
Based on this, it is necessary to for above-mentioned transfer solution-operated it is cumbersome or not convenient the problem of, a kind of drawing liquid container is provided
And liquid pumping method.
A kind of drawing liquid container, including vessel and container top, the container top forms close with the vessel
Space is sealed, there are negative pressure in the sealing space；The cover is equipped with hollow needle body, and described needle body one end is connected to described
In sealing space, the other end is cased with sealing the needle guard of the needle body, and the top of the needle guard by the needle body by that can be pierced through
Film is made.
Further, the needle guard is rubber needle sheaths.
In one of the embodiments, needle stand and the hollow outer pin being arranged on needle stand are additionally provided in the container top
Body, the needle stand is interior to be equipped with elastic element and through hole is opened up in the end of the needle stand, and the hollow outer needle body bottom passes through described
Through hole, which is connected with the needle stand and is resisted against on the elastic element, makes the hollow outer needle body that can be moved in the needle stand；Institute
Needle body and needle guard is stated to be applied in simultaneously in the needle stand and the hollow outer needle body and without departing from the top of the hollow outer needle body
End, to form the headspace of seal.
Further, the headspace of the seal is carried out close by the outer needle guard being sleeved on outside the hollow outer needle body
Envelope.
Specifically, the outer needle guard is rubber needle sheaths.
Further, the inner cavity for accommodating the elastic element is equipped in the needle stand, described needle stand one end is connected to described
In container top, the other end is blind end, and the blind end is equipped with the through hole；The bottom of the hollow outer needle body is fixed and is set
Have a hollow piston body that edge is bonded with the inner cavity, the hollow piston body be resisted against on the elastic element make it is described hollow
Piston body can move in the inner cavity.
In one of the embodiments, valve is also associated in the cover, described valve one end is connected to the needle body
On, the other end is connected with the sealing space, with controlled by the valve unicom of the needle body and the sealing space or
Closing.
Specifically, the valve includes elastomeric element, valve body and bibcock, bibcock is radially offered in the valve body
Mounting groove, the bibcock are equipped with the through hole perpendicular to the bibcock axis direction, the elastomeric element and the bibcock edge
The mounting groove is installed successively from inside to outside, makes the bibcock that can move back and forth between the first position and the second position so that
The through hole is blocked or connected with the sealing space.
In one of the embodiments, the vessel is equipped with suction interface, is extracted by the suction interface empty
Gas makes the sealing space form negative pressure.
In one of the embodiments, the vessel is equipped with volume scale value.
In one of the embodiments, the vessel is glass or plastics.
In one of the embodiments, the container is rigid container or flexible container.
In one of the embodiments, the needle body includes：First pin body and the second pin body and the first pin of connection
The soft needle tubing of body and the second pin body；The first pin body is connected in the sealing space of the container, and described second
The top of pin body is sharp pin mouth for puncture.
Invention also provides a kind of liquid pumping methods, extract solution using the drawing liquid container described in any of the above or turn
Solution is moved, step includes：
The top that will be cased with the needle body of the needle guard is directed at solution to be extracted；
The fixed needle guard, drives the needle body to be moved compared with the needle guard to pierce through the needle guard, until making the pin
The top of body is entered in the solution to be extracted；
After the solution to be extracted that is to be extracted or displaced predetermined volume, by the top of the needle body from remaining
It is detached in solution to be extracted.
Above-mentioned drawing liquid container is composed by possessing the container of negative pressure of vacuum and needle body, and needle body is effectively sealed by needle guard,
Without using be capable of during state holding container volume can load, when use need to only puncture needle guard using needle body can make needle body straight
It taps into solution, and sucks solution in drawing liquid container by pressure differential, needle guard is not required to remove during this, because without making
Into the gas leakage of drawing liquid container negative pressure in drawing liquid container is made to lose effectiveness, the drawing liquid structure of container is simple, facilitate it is easy-to-use, with this drawing liquid
Method can extract the solution for shifting various volumes, applied widely.
Description of the drawings
Fig. 1 is one embodiment of the invention drawing liquid reservoir profiles structure diagram；
Fig. 2 is another embodiment of the present invention drawing liquid reservoir profiles structure diagram；
Fig. 3 is further embodiment of this invention drawing liquid container part section structural representation；
Fig. 4 is yet another embodiment of the invention drawing liquid container axonometric drawing；
Fig. 5 is one embodiment of the invention liquid pumping method flow chart.
Specific embodiment
The present invention is further described with exemplary embodiment below in conjunction with the accompanying drawings, wherein label identical in attached drawing
All refer to identical component.In addition, if the detailed description of known technology is for showing the invention is characterized in that unnecessary
, then it omits it.
As shown in Figure 1, the drawing liquid container 100 of one embodiment of the invention includes vessel 110 and container top 120, hold
Device cover 120 and vessel 110 form sealing space 130, there are negative pressure in the sealing space 130, in container top 120
Equipped with hollow needle body 140, one end of needle body 140 is connected among sealing space 130, and the other end is then cased with sealing needle body
Needle guard 150, and the top of needle guard 150 by the film that needle body pierces through by can be made.
Vessel 110 can be various shapes, revolving body, cube, flat body can, material can be glass or modeling
Material etc., if wherein selection plastics, can both select container being prepared into rigid container, and can also select to be prepared into soft
Container, i.e., the common material as container in the art can serve as the material selection of inventive container body 110, and root
According to use need design container shape.Drawn solution capacity is checked during for ease of using, being equipped on vessel 110
Volume scale value, such as 10ml, 20ml, 50ml etc..
Container top 120 plays sealing container body 110 to protect according to the junction design outline with vessel 110
The purpose of sealing space is held, material may be selected to be rubber, cork or plastics etc..
Needle body 140 is common metal or hard polyester, there is syringe needle, and the sharp pierceable common sealing of syringe needle is used
Article such as rubber stopper, cork etc., have hollow structure among needle body 140, for the passage passed through as fluid.Needle body
140 are arranged in container top 120, and the two position is fixed, it is impossible to because needle body 140 is during other objects are pierced through and to appearance
It loosens or slides in the sealing space 130 of device.Needle guard 150 is cased in 140 needle portion of needle body, needle guard 150 will be in needle body 140
Hollow structure seals so that vessel 110, container top 120 and needle body 140 form and can keep sealing space 130, the pin
Set 150 top by can be made by the film that needle body 140 pierces through, this design causes in use, needle guard 150 not by
It can be pierced through in the case of being removed from needle body 140 by needle body 140, so as to not only ensure the sealing without using state, but also ensure to make
The realization of 100 function of used time drawing liquid container.Preferably, which can be rubber needle sheaths.
Preferably, the negative pressure formed in sealing space 130 by the suction interface 160 that is set on vessel 110 simultaneously
Air is extracted through this suction interface 160 and is formed.The design of one-way cock, i.e. drawing liquid container 100 can be used in the suction interface 160
Sealing space 130 in air can be extracted, and thus the air outside sealing space 130 suction interface 160 cannot enter
In the sealing space, specific design those skilled in the art understand that.This suction interface is set on vessel 110
160 can not only facilitate the vacuum magnitude in setting drawing liquid container 100, and so that the drawing liquid container 100 can be with Reusability.
As a preferred solution, as shown in Fig. 2, except equally with vessel 210 mentioned above, container top
220th, outside needle body 240 and needle guard 250, the drawing liquid container 200 of another embodiment of the present invention further includes needle stand 260 and hollow outer pin
Body 270.
Elastic element 262 is equipped in needle stand 260, and through hole is offered in the end of needle stand 260.Preferably, needle stand 260
The inner cavity 261 for accommodating elastic element 262 is inside provided with, elastic element can be that elastic force is appropriate and the suitable bullet of size
Spring, and the cross section of the inner cavity 261 can be the various shapes such as square, circular or hexagon.260 one end of needle stand is connected to container
In cover 220, the other end is the blind end of inner cavity 261, and above-mentioned through hole is provided on blind end.
Hollow outer needle body 270 is additionally provided on needle stand 260, the bottom of hollow outer needle body 270 is fixed with edge and inner cavity
The hollow piston body 271 of fitting, the hollow piston body 271 can be resisted against on elastic element 262 and can be transported in inner cavity 261
It is dynamic.271 one side of hollow piston body can be fully contradicted on elastic element 262, and on the other hand its scope of activities is subject to pin
The limitation of 260 blind ends of seat causes hollow outer needle body 270 to be connected to always on needle stand 260.In the structure, hollow outer needle body 270
It is resisted against the end of the needle stand 260 always under the action of elastic element 262, and the hollow outer needle body 270 is by external force
Against and retraction described in needle stand 260 when, the needle stand 260 can be resisted against by automatically restoring to for elastic element 262
State.Hollow piston body 271 be fully bonded with inner cavity 261 so that drawing liquid container 200 sealing space 230 from needle stand 260 and
The influence of hollow 270 structure of outer needle body and can keep sealing always.
Needle body 240 and needle guard 250 are applied in needle stand 260, hollow piston body 271 and hollow outer needle body 270 simultaneously and are formed
Hollow chamber space in and without departing from the top of hollow outer needle body 270, to form the headspace of seal.Needle stand 260
It is the protection structure of needle body 240 and needle guard 250 and pre- puncturing structure with hollow outer needle body 270, does not have in hollow outer needle body 270
Be subject to extraneous conflict power, i.e., in the case of not puncturing other objects, hollow outer needle body 270 is resisted against 260 end of needle stand,
Needle body 240 and corresponding needle guard 250 are contracted in the hollow chamber of hollow outer needle body 270, and once need to carry out imbibition operation,
When the object of required puncture is harder, on the one hand hollow outer needle body 270 can be under the action of 262 elastic force of elastic element in advance
The object is punctured, continues to puncture by needle body 240 again after hollow outer needle body 270 is pierced into a part in the object and be somebody's turn to do
Object is simultaneously entered in solution to be extracted, the workload punctured so that needle body 240 is reduced to need, on the other hand the hollow outer needle body
270 can play the role of strengthening needle structure, prevent needle body 240 from bent or even fracture in piercing process.
Preferably, an outer needle guard 280 is set on hollow outer needle body 270 to be sealed the headspace of seal, one
Aspect can keep the cleaning of hollow outer needle body 270, on the other hand can be further ensured that the leakproofness of entire drawing liquid container 200.It should
Outer needle guard 280 can also be made of rubber, also can be in the case where not removed from hollow outer needle body 270 by hollow outer needle body 270
It pierces through.
As a preferred scheme, as shown in figure 3, the drawing liquid container 300 of another embodiment provided by the invention is except upper
Outside vessel 310, container top 320, needle body 340 and needle guard (not marked in figure) that text is mentioned, valve 350 is further included.
The valve 350 is connected in the container top 320, and its one end is connected on needle body 340, and the other end can be empty with the sealing
Between 330 connection, unicom or the closing of needle body 340 and sealing space 330 can be controlled by the valve 350.Valve 350 can be adopted
With the valve of common type, such as gate valve, ball valve, plug valve, rubber tube and bead in base buret can also be used
Control valve arrangement.The presence of valve mechanism just to open when needle body 340 is well into be extracted or transfer solution close
Space 330 and the connection of solution are sealed, the negative pressure in sealing space 330 is made to be discharged in the correct time, not only can fully ensure that pumping
The drawing liquid effect of liquid container 300, and freer can accurately control solution extraction amount.
Preferably, valve 350 includes valve body 351, elastomeric element 352 and bibcock 353.Radially (valve body is more in valve body 351
Using cylinder, strip can also be used, radially then refer to vertical body length direction herein) offer the mounting groove of bibcock
351 ', elastomeric element 352 such as spring and bibcock 353 are set in mounting groove 351 '.It is wherein provided on bibcock 353 vertical
In the through hole 353 ' of 353 axis direction of bibcock, this through hole 353 ' is corresponding with the passage on valve 350.In elastomeric element
Under 352 effects, bibcock 353 can move back and forth between the first position and the second position, be passed through when bibcock 353 is in first position
Perforation 353 ' is subject to block with sealing space 330 causes sealing space 330 to separate with extraneous, and when bibcock 353 is in second
Through hole 353 ' is connected with sealing space 330 so that sealing space 330 turns on the external world and and then can carry out extracting molten when putting
The operation of liquid.Bibcock 353 and link position those skilled in the art of valve body 351 are readily apparent that, are not added with repeating herein.It uses
When, needle body 340 is pierced into solution to be extracted, the sealing space 330 of drawing liquid container 300 can be made with treating by pressing bibcock 353
Solution connection is extracted, solution to be extracted enters drawing liquid container under the action of pressure differential from the container for loading solution to be extracted
300。
As a preferred scheme, as shown in figure 4, removing, there is vessel 410, container top 420 and needle guard (not to exist
Marked in figure) outside, the drawing liquid container 400 that yet another embodiment of the invention provides further includes soft needle tubing 440, and by needle body
430 points are the first needle body 431 and the second needle body 432.One end of wherein the first needle body 431 is connected with container top 420 and can
It is conducting in the sealing space of drawing liquid container 400, and the other end is then connected with soft needle tubing 440.One end of second needle body 432 with
Soft needle tubing 440 connects, and the top of the other end is sharp thorn mouth for use in puncture, and above-mentioned needle guard is cased on thorn mouth.
The drawing liquid container 400 of this structure can directly allow user to seize the second needle body 432 on both sides by the arms and be inserted into solution to be extracted, need not
Pick up vessel 410 simultaneously, operation is more light, additionally, due to soft needle tubing 440, and the length of the needle tubing can from
By selecting, therefore opereating specification bigger.
It is corresponding with drawing liquid container above, the present invention also provides a kind of liquid pumping method, as shown in figure 5, with above-mentioned pumping
Liquid container extracts solution or shifts solution, includes in an embodiment the step of liquid pumping method：
S10：The top that will be cased with the needle body of needle guard is directed at solution to be extracted.
Needle guard need not be removed during use, especially in the case where sealing the drawing liquid container by needle guard, by needle body top pair
Accurate solution to be extracted.Solution is usually loaded in dedicated closed container, such as in infusion bottle or infusion bag or in opening
Container in such as beaker or evaporating dish.
S20：Fixed needle guard, drives needle body to be moved compared with the needle guard to pierce through the needle guard, until making the needle body
Top is entered in the solution to be extracted.
When solution stowage to be extracted is in dedicated closed container, in infusion bottle, it is necessary to be pierced through with needle body close
The sealing of container is closed, such as the rubber stopper of infusion bottle.To keep the sealing in piercing process, the needle body for being cased with needle guard is directed at envelope
Mouthful, and the sealing is pierced into rapidly, needle guard is relatively fixed during this, and needle body is moved compared with needle guard and pierces through needle guard and envelope
Mouth quickly enters the closed container for loading solution to be extracted (to ensure that needle body contacts directly solution after piercing through sealing, in puncture
Before make solution to be extracted with it is described sealing contact directly).
S30：After the solution to be extracted that is to be extracted or displaced predetermined volume, the top of needle body is treated from remaining
It extracts and is detached in solution.
After reaching the solution for extracting predetermined volume, needle body is detached can be completed from solution and extracts solution or shifts molten
The purpose of liquid.If it is required that extract predetermined volume after drawing liquid container still maintain sealing, can suitably select needle guard material with
Size, even if making it in the case where being pierced by the recovery characteristics of material in itself, the channel enclosed that will be pierced.If make
With with valvular needle body, then valve is closed after the solution of predetermined volume is drawn into, then is extracted out from solution to be extracted
Needle body.
Although having been illustrated with some exemplary embodiments of the present invention above, those skilled in the art will manage
Solution, in the case where not departing from the principle of the present invention or spirit, can make a change these exemplary embodiments, of the invention
Scope is limited by claim and its equivalent.
Claims (14)
1. a kind of drawing liquid container, including vessel and container top, which is characterized in that the container top and the container sheet
Body forms sealing space, and there are negative pressure in the sealing space；The container top is equipped with hollow needle body, the needle body one
End is connected in the sealing space, and the other end is cased with sealing the needle guard of the needle body, and the top of the needle guard is by can be by institute
The film for stating needle body puncture is made.
2. drawing liquid container according to claim 1, which is characterized in that the needle guard is rubber needle sheaths.
3. drawing liquid container according to claim 1, which is characterized in that needle stand and setting are additionally provided in the container top
Hollow outer needle body on needle stand, the needle stand is interior to be equipped with elastic element and opens up through hole in the end of the needle stand, described hollow
Outer needle body bottom, which is connected with the needle stand by the through hole and is resisted against on the elastic element, makes the hollow outer needle body can
It is moved in the needle stand；The needle body and needle guard be applied in simultaneously in the needle stand and the hollow outer needle body and without departing from
The top of the hollow outer needle body, to form the headspace of seal.
4. drawing liquid container according to claim 3, which is characterized in that the headspace of the seal is described by being sleeved on
Outer needle guard outside hollow outer needle body is sealed.
5. drawing liquid container according to claim 4, which is characterized in that the outer needle guard is rubber needle sheaths.
6. drawing liquid container according to claim 3, which is characterized in that be equipped in the needle stand and accommodate the elastic element
Inner cavity, described needle stand one end are connected in the container top, and the other end is blind end, and the blind end is equipped with described logical
Hole；The bottom of the hollow outer needle body is fixed with the hollow piston body that edge is bonded with the inner cavity, the hollow piston body
Being resisted against on the elastic element makes the hollow piston body that can be moved in the inner cavity.
7. drawing liquid container according to claim 1, which is characterized in that valve is also associated in the container top, it is described
Valve one end is connected on the needle body, and the other end is connected with the sealing space, to control the needle body by the valve
Unicom or closing with the sealing space.
8. drawing liquid container according to claim 7, which is characterized in that the valve includes elastomeric element, valve body and bibcock,
The mounting groove of bibcock is radially offered in the valve body, the bibcock is equipped with passing through perpendicular to the bibcock axis direction
Perforation, the elastomeric element and the bibcock are installed successively from inside to outside along the mounting groove, make the bibcock can be at first
It puts and is moved back and forth between the second position so that the through hole is blocked or connected with the sealing space.
9. drawing liquid container according to claim 1, which is characterized in that the vessel is equipped with suction interface, passes through
The suction interface, which extracts air, makes the sealing space form negative pressure.
10. drawing liquid container according to claim 1, which is characterized in that the vessel is equipped with volume scale value.
11. drawing liquid container according to claim 1, which is characterized in that the vessel is glass or plastics.
12. drawing liquid container according to claim 1, which is characterized in that the container is rigid container or flexible container.
13. drawing liquid container according to claim 1, which is characterized in that the needle body includes：First pin body and the second pin
Body and the soft needle tubing of the first pin body of connection and the second pin body；The first pin body is connected to the container
In sealing space, the top of the second pin body is sharp pin mouth for puncturing.
14. a kind of liquid pumping method, which is characterized in that using any drawing liquid container of claim 1~13 extract solution or
Person shifts solution, and step includes：
The top that will be cased with the needle body of the needle guard is directed at solution to be extracted；
The fixed needle guard, drives the needle body to be moved compared with the needle guard to pierce through the needle guard, until making the needle body
Top is entered in the solution to be extracted；
After the solution to be extracted that is to be extracted or displaced predetermined volume, by the top of the needle body from remaining to be extracted
It is detached in solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611077750.4A CN108113883A (en) | 2016-11-29 | 2016-11-29 | Drawing liquid container and liquid pumping method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611077750.4A CN108113883A (en) | 2016-11-29 | 2016-11-29 | Drawing liquid container and liquid pumping method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108113883A true CN108113883A (en) | 2018-06-05 |
Family
ID=62226046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611077750.4A Pending CN108113883A (en) | 2016-11-29 | 2016-11-29 | Drawing liquid container and liquid pumping method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108113883A (en) |
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