CN106806959A - A kind of automatic liquid-stopping transfusion system - Google Patents
A kind of automatic liquid-stopping transfusion system Download PDFInfo
- Publication number
- CN106806959A CN106806959A CN201710148977.1A CN201710148977A CN106806959A CN 106806959 A CN106806959 A CN 106806959A CN 201710148977 A CN201710148977 A CN 201710148977A CN 106806959 A CN106806959 A CN 106806959A
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- China
- Prior art keywords
- liquid
- transfusion
- dropping funnel
- guiding tube
- valve
- 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.)
- Pending
Links
- 239000007788 liquid Substances 0.000 claims abstract description 69
- 238000001802 infusion Methods 0.000 claims abstract description 55
- 241001411320 Eriogonum inflatum Species 0.000 claims abstract description 7
- 230000008676 import Effects 0.000 claims abstract description 6
- 239000004744 fabric Substances 0.000 claims description 13
- 238000007667 floating Methods 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 230000009977 dual effect Effects 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract description 4
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 239000003814 drug Substances 0.000 description 12
- 238000007789 sealing Methods 0.000 description 5
- 210000003462 vein Anatomy 0.000 description 4
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000474 nursing effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 206010001526 Air embolism Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 206010040047 Sepsis Diseases 0.000 description 1
- 230000001194 anti-hemostatic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000023555 blood coagulation Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- -1 pipe Substances 0.000 description 1
- 208000013223 septicemia Diseases 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- A61M5/36—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 with means for eliminating or preventing injection or infusion of air into body
- A61M5/40—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 with means for eliminating or preventing injection or infusion of air into body using low-level float-valve to cut off media flow from reservoir
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Emergency Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention provides a kind of automatic liquid-stopping transfusion system, including infusion vessel and transfusion device, the dropping funnel of transfusion device is connected to infusion tube up and down, and infusion vessel includes bottleneck and bottle stopper, guiding tube is provided with infusion vessel, longitudinal fluting is offered on guiding tube, guiding tube upper end closed, guiding tube lower end is connected with the bottleneck of infusion vessel, and guiding tube cavity is provided with ball float, the bottleneck of infusion vessel is provided with valve seat, and ball float is adapted with the valve port of valve seat；Float valve is provided with the dropping funnel of transfusion device, after the transfusion liquid conveying in dropping funnel is finished, the import of the infusion tube that float valve can enter under dropping funnel.Upper and lower two of present invention design stops fluid valve, play dual only liquid effect, automatic retention transfusion residual liquid, so that transfusion device is in the case where prosthetic is disturbed, remain able to member-retaining portion liquid, so as to prevent air from entering human body after liquid is totally lost, the work of nurse is considerably reduced, reduce doctor-patient dispute.
Description
Technical field
The invention belongs to lighting technical field, it is related to a kind of LED lamp lamp, especially a kind of LED spirals wick and LED spiral shells
Rotation wick lamp.
Background technology
Transfusion system includes liquid transfusion device and infusion bottle, and liquid transfusion device is a kind of common medical treatment consumptive materials, by aseptic place
Reason, sets up passage between vein and liquid, for venous transfusion.Typically by intravenous needle or injection needle, needle-covering cap, infuse soft
Eight part connection compositions such as pipe, liquid medicine filter, flow regulator, dropping funnel, bottle plug puncture unit, air cleaner.
In infusion process, gas, anti-return blood phenomenon in exclusion liquid occur most important to infusion safety.If place
Manage improper contingency and conduit of the air into dropping funnel bottom occur, it will unexpected blood back phenomenon occurs.Blood back phenomenon not only can
Causing conduit cannot continue transfusion due to air embolism, or even blood clotting can be caused to be damaged to human body into clot,
And the serious problems such as hospital-acquired infection, septicemia, this problem how is processed in treatment clinical course and its brings bad
Consequence is always a stubborn problem.Existing transfusion device is after liquid is totally lost, if not treatment in time, it may appear that blood flows back
Phenomenon, healthy to patient threatens.To avoid this kind of situation, it is necessary to patient and medical care people during usual clinical transfusion
Member's moment concern liquid surplus, occupies very big energy, while larger psychological pressure is also caused to patient, it is often surplus in liquid
Medical personnel are just called when remaining more, easily causes doctor-patient relationship contradiction, be unfavorable for entering for Rehabilitation and normal medical and nursing work
OK.
The automatic liquid-stopping transfusion system complex structure of prior art, is more expensive to manufacture, and is unfavorable for promotion and application.The patent No.
It is the Chinese utility model patent of " 200320129365.1 ", discloses a kind of single use pressure-keeping infusion device, the transfusion device
For the venous transfusion in medicine and hygiene fieldses；The transfusion device is by needle for inserting bottle, flexible pipe, flow regulator, liquid medicine filter, vein
Transfusion needle, dropping funnel and release mechanism are constituted, and wherein release mechanism includes wine bucket lower curtate a liquid access road for projection,
There is a locating part dropping funnel middle and lower part, there is a floating body therebetween, and floating body is embedded with the diaphragm that a latex and other soft materials are made.
The Chinese invention patent of Patent No. " 201120280062 " discloses a kind of safe transfusion system, and the transfusion device is used for health care
Venous transfusion in field；The transfusion device is made up of feed tube, Murphy's burette and the drain pipe being linked in sequence, wherein safe machine
It is coniform Murphy's burette that structure includes lower end, and float corresponding with its lower end shape, float are provided with Murphy's burette
The internal diameter with diameter greater than drain pipe of maximum cross section, the density of float is less than liquid density.When having liquid in Murphy's burette,
Float is suspended in liquid level, and declining float with liquid level declines, and when liquid drips space-time, float is placed exactly in Murphy's burette lower end, cuts
Disconnected Murphy's burette and the path of drain pipe, effectively prevent air from entering in patient body.Above-mentioned patent is universal in actual applications
There are following some deficiencies：One be sealing between floating body and the medicine liquid outlet of dropping funnel bottom or the medicine liquid outlet of housing bottom all
It is to carry out contact in plane by seal membrane to be sealed, when seal membrane has certain space with floating body inside, defeated
Liquid easily produces bubble when replacing；Two be with fill in stifled formula method only liquid when, the medicine liquid outlet fitted seal of floating body and dropping funnel bottom
The required precision at place is high, and existing production technology is extremely difficult to the requirement being fully sealed, and causes sealing reliability not high, safety
It is low；Three be with the sealed method of film only liquid when, because seal membrane is to realize effective environmental sealing export department so must design
Obtain relatively thin so that the jag of the export department in practice because of liquid easily pierces through diaphragm, causes to seal.
The content of the invention
The invention aims to solve above-mentioned the deficiencies in the prior art, there is provided a kind of reasonable in design, simple structure, system
Low cost is made, can be with automatic stopping infusion after liquid conveying is finished, anti-Hemostatic Oral Liquid backflow phenomenon occurs, has a safety feature, just
In the only liquid type transfusion system promoted, and the people having defective vision is very easy to observe the position of infusion vessel liquid level.
In order to achieve the above object, the present invention provides a kind of automatic liquid-stopping transfusion system, including：Infusion vessel and transfusion
Device, transfusion device includes injection needle, bottle plug puncture unit, flow regulator and dropping funnel, and dropping funnel is connected to infusion tube up and down, defeated
Liquid container includes bottleneck and bottle stopper, it is characterized in that being provided with guiding tube in infusion vessel, longitudinal fluting is offered on guiding tube, draws
Conduit upper end closed, guiding tube lower end is connected with the bottleneck of infusion vessel, and guiding tube cavity is provided with ball float, the bottle of infusion vessel
Mouth is provided with valve seat, and ball float is adapted with the valve port of valve seat；Float valve is provided with the dropping funnel of transfusion device, when the transfusion in dropping funnel
After liquid conveying is finished, the import of the infusion tube that float valve can enter under dropping funnel；Described ball float is with coloured floating
Ball；Top in described dropping funnel is provided with screen cloth, and float valve is located at below screen cloth.
One ball float is set in infusion vessel, valve seat is designed with bottleneck, valve seat is provided with what is be adapted with ball float
Valve port, forms valve between ball float and valve port, after liquid conveying of being infused in infusion vessel is finished, ball float enters valve port, and valve is closed
Close, while the liquid in infusion tube under infusion vessel just stops being conveyed to human body, realize stopping liquid.The present invention is guarantee liquid level
Decline, ball float can close precisely with the valve port of valve seat, and guiding tube of the invention is connected with the bottle stopper of infusion vessel, guiding tube
Upper longitudinal grooved, it is ensured that guiding tube cavity is conducted with infusion vessel, ball float is provided with guiding tube, when infusing medicine in infusion vessel
After liquid conveying is finished, ball float can accurate close port.Float valve is provided with dropping funnel, when the transfusion liquid in dropping funnel has been conveyed
Bi Hou, the import of infusion tube of the accurate dropping funnel of float valve energy under, the liquid of float valve just stops being conveyed to human body,
Realize stopping liquid.
Upper and lower two of present invention design stops fluid valve, plays dual only liquid effect.Automatic liquid-stopping function of the invention is logical
The realization of air pressure principle is crossed, i.e., causes that liquid is rested on due to the sealing of sensing transfusion level, under hydrostatic pressing, the comprehensive function power of human vein
In transfusion device, automatic liquid-stopping is realized, the function is not influenceed by medicine liquid ingredient and degree of purity, it can be ensured that automatic liquid-stopping effect.
The present invention is conducive to the raising of nursing quality, also helps trust of the enhancing sufferer to nurse, promotes nurse-patient relationship harmonious development,
There is important clinical meaning.Ball float is adopted as with coloured ball float, and its effect is to make one, the people especially having defective vision
It is very easy to observe the position of infusion vessel liquid level.To ensure that float valve will not be the transfusion on dropping funnel during normal infusion
The outlet obstruction of flexible pipe, the upper design screen cloth in dropping funnel, in normal infusion, float valve is located at below screen cloth；Meanwhile,
Screen cloth can be as liquid medicine filter as the filtering to infusing.
Preferably, ball float is red ball float.
Preferably, guiding tube is structure as a whole with valve seat.
The beneficial effects of the invention are as follows：Compared with prior art, simple structure of the present invention, low cost of manufacture, ball float are used
With coloured ball float, its effect is to make one, and the people especially having defective vision is very easy to observe infusion vessel liquid level
Position；Upper design screen cloth in dropping funnel, it is ensured that float valve will not be the outlet obstruction of the infusion tube on dropping funnel, and can
As liquid medicine filter as the filtering to infusing；Upper and lower two only fluid valves are designed, dual only liquid effect is played, it is automatic to cut
Stay transfusion residual liquid so that transfusion device remains able to member-retaining portion liquid, so as to prevent sky in the case where prosthetic is disturbed
Gas enters human body after liquid is totally lost, and considerably reduces the work of nurse, reduces doctor-patient dispute.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings, by specific embodiment, clear, complete description is carried out to technical scheme.Please
With reference to shown in Fig. 1, the present invention provides a kind of automatic liquid-stopping transfusion system, including：Infusion vessel 1 and transfusion device 2, transfusion device 2 are wrapped
Injection needle 23, bottle plug puncture unit 21, flow regulator 24 and dropping funnel 22 are included, dropping funnel is connected to infusion tube 25 about 22,
Infusion vessel 1 includes being provided with guiding tube 3 in bottleneck 11 and bottle stopper 12, infusion vessel 2, and longitudinal fluting is offered on guiding tube 3
31, the upper end of guiding tube 3 is provided with stopper 32 and closes, and the lower end of guiding tube 3 is connected with the bottleneck 11 of infusion vessel 2, the inner chamber of guiding tube 3
Ball float 4 is provided with, the bottleneck 11 of infusion vessel 1 is provided with valve seat 5, and guiding tube 3 is structure as a whole with valve seat 5, ball float 4 and valve seat 5
Valve port be adapted；The bottle plug puncture unit 21 of transfusion device 2 inserts the bottle stopper 12 of infusion vessel 1, is provided with the dropping funnel 22 of transfusion device 2
Float valve 6, after the transfusion liquid conveying in dropping funnel 22 is finished, the transfusion that float valve 6 precisely can enter under dropping funnel 22 is soft
The import of pipe 25.
The embodiment of the present invention sets a ball float 4 in infusion vessel 1, valve seat 5 is designed with bottleneck 11, on valve seat 5
The valve port being adapted with ball float 4 is provided with, valve is formed between ball float 4 and valve port, after liquid conveying of being infused in infusion vessel is finished,
Ball float 4 enters valve port, valve closing, while the liquid in infusion tube under infusion vessel just stops being conveyed to human body, realizes
Only liquid.Decline to ensure liquid level of the invention, the valve port that ball float 4 can be precisely with valve seat 5 is closed, and the present invention is used and valve seat 5 one
The guiding tube 3 of body, guiding tube 3 is connected with the bottle stopper 12 of infusion vessel, longitudinal grooved on guiding tube 3, it is ensured that the inner chamber of guiding tube 3
It is conducted with infusion vessel, ball float 4 is provided with guiding tube 3, after the conveying of transfusion liquid is finished in infusion vessel 1, ball float 4 can essence
Quasi- close port.Float valve 6 is provided with dropping funnel 22, after the transfusion liquid conveying in dropping funnel 22 is finished, the energy of float valve 6
The import of the infusion tube 25 that accurate dropping funnel enters under dropping funnel 22, float valve 6 ensures that liquid just stops being conveyed to human body, realizes
Only liquid.
Upper and lower two of present invention design stops fluid valve, plays dual only liquid effect, improves security performance.It is of the invention from
Dynamic only liquid function is realized by air pressure principle, i.e., due to the sealing of sensing transfusion level, under hydrostatic pressing, the comprehensive function power of human vein
So that liquid is rested in transfusion device, automatic liquid-stopping is realized, the function is not influenceed by medicine liquid ingredient and degree of purity, it can be ensured that
Automatic liquid-stopping effect.The present invention is conducive to the raising of nursing quality, also helps trust of the enhancing sufferer to nurse, promotes shield to suffer from
Relation harmonious development, there is important clinical meaning.
In the present embodiment, ball float 4 is red ball float.Using red ball float, its effect is to make one to ball float 4, is especially regarded
The bad people of power is very easy to observe the position of infusion vessel liquid level.When the ball float for being not limited to red, such as yellow, green
Etc. can also realize effectively observation.
In the present embodiment, the top in dropping funnel 22 is provided with screen cloth 7, and float valve 6 is located at below screen cloth 7.It is normal to ensure
During transfusion, float valve 6 will not be the outlet obstruction of the infusion tube 25 on dropping funnel 22, the upper design screen cloth in dropping funnel 22
7, in normal infusion, float valve 6 is located at below screen cloth 7；Meanwhile, screen cloth 7 can be as liquid medicine filter as to transfusion
Filtering.
Finally, in addition it is also necessary to it is noted that listed above is only specific embodiment of the invention.Obviously, the present invention is not limited
In above example, there can also be many deformations.One of ordinary skill in the art can be direct from disclosure of the present invention
The all deformations derived or associate, are considered as protection scope of the present invention.
Claims (3)
1. a kind of automatic liquid-stopping transfusion system, including：Infusion vessel and transfusion device, transfusion device include injection needle, bottle plug puncture unit,
Flow regulator and dropping funnel, dropping funnel are connected to infusion tube up and down, and infusion vessel includes bottleneck and bottle stopper, it is characterized in that defeated
Guiding tube is provided with liquid container, longitudinal fluting is offered on guiding tube, guiding tube upper end closed, guiding tube lower end holds with transfusion
The bottleneck of device is connected, and guiding tube cavity is provided with ball float, and the bottleneck of infusion vessel is provided with valve seat, the valve port phase of ball float and valve seat
Adaptation；Float valve is provided with the dropping funnel of transfusion device, after the transfusion liquid conveying in dropping funnel is finished, float valve can enter drop
The import of the infusion tube under bucket；Described ball float is with coloured ball float；Top in described dropping funnel is provided with screen cloth, floats
Ball valve is located at below screen cloth.
2. a kind of automatic liquid-stopping transfusion system according to claim 1, it is characterised in that described ball float is red floating
Ball.
3. a kind of automatic liquid-stopping transfusion system according to claim 1 and 2, it is characterised in that the guiding tube and valve seat
It is structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710148977.1A CN106806959A (en) | 2017-03-02 | 2017-03-02 | A kind of automatic liquid-stopping transfusion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710148977.1A CN106806959A (en) | 2017-03-02 | 2017-03-02 | A kind of automatic liquid-stopping transfusion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106806959A true CN106806959A (en) | 2017-06-09 |
Family
ID=59116500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710148977.1A Pending CN106806959A (en) | 2017-03-02 | 2017-03-02 | A kind of automatic liquid-stopping transfusion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106806959A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111451016A (en) * | 2019-01-22 | 2020-07-28 | 重庆灵徽科技有限公司 | Novel spraying equipment |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4131431A (en) * | 1976-12-27 | 1978-12-26 | Siposs George G | Blood shut-off valve |
| KR20020061962A (en) * | 2001-01-19 | 2002-07-25 | 대영전기기술 주식회사 | Electronic ballasts for metal halide |
| CN2566866Y (en) * | 2002-09-12 | 2003-08-20 | 韩智宇 | Safety alarm device for transfusion |
| EP1535638A1 (en) * | 2003-11-28 | 2005-06-01 | Maco Pharma | Infusion device comprising a bag with a reversible closure means |
| CN2853081Y (en) * | 2005-11-02 | 2007-01-03 | 齐冬梅 | Disposable transfusion system capable of preventing blood return |
| CN102008771A (en) * | 2010-12-10 | 2011-04-13 | 汪贤宗 | Safety valve and blood transfusion device with same |
| CN102178988A (en) * | 2011-05-13 | 2011-09-14 | 朱福弟 | Disposable safety transfusion device |
| CN102553030A (en) * | 2010-12-24 | 2012-07-11 | 林景春 | Automatic stop transfusion device |
| CN202387063U (en) * | 2011-11-11 | 2012-08-22 | 刘望军 | Safety float suitable for medical infusion and Murphy drip cup comprising same |
| CN203090119U (en) * | 2013-01-16 | 2013-07-31 | 于秀月 | Multi-functional transfusion apparatus |
| CN207306941U (en) * | 2017-03-02 | 2018-05-04 | 刘斐天 | A kind of automatic liquid-stopping transfusion system |
-
2017
- 2017-03-02 CN CN201710148977.1A patent/CN106806959A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4131431A (en) * | 1976-12-27 | 1978-12-26 | Siposs George G | Blood shut-off valve |
| KR20020061962A (en) * | 2001-01-19 | 2002-07-25 | 대영전기기술 주식회사 | Electronic ballasts for metal halide |
| CN2566866Y (en) * | 2002-09-12 | 2003-08-20 | 韩智宇 | Safety alarm device for transfusion |
| EP1535638A1 (en) * | 2003-11-28 | 2005-06-01 | Maco Pharma | Infusion device comprising a bag with a reversible closure means |
| CN2853081Y (en) * | 2005-11-02 | 2007-01-03 | 齐冬梅 | Disposable transfusion system capable of preventing blood return |
| CN102008771A (en) * | 2010-12-10 | 2011-04-13 | 汪贤宗 | Safety valve and blood transfusion device with same |
| CN102553030A (en) * | 2010-12-24 | 2012-07-11 | 林景春 | Automatic stop transfusion device |
| CN102178988A (en) * | 2011-05-13 | 2011-09-14 | 朱福弟 | Disposable safety transfusion device |
| CN202387063U (en) * | 2011-11-11 | 2012-08-22 | 刘望军 | Safety float suitable for medical infusion and Murphy drip cup comprising same |
| CN203090119U (en) * | 2013-01-16 | 2013-07-31 | 于秀月 | Multi-functional transfusion apparatus |
| CN207306941U (en) * | 2017-03-02 | 2018-05-04 | 刘斐天 | A kind of automatic liquid-stopping transfusion system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111451016A (en) * | 2019-01-22 | 2020-07-28 | 重庆灵徽科技有限公司 | Novel spraying equipment |
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