CN208893328U - A kind of Anti-backflow infusion device - Google Patents
A kind of Anti-backflow infusion device Download PDFInfo
- Publication number
- CN208893328U CN208893328U CN201820817067.8U CN201820817067U CN208893328U CN 208893328 U CN208893328 U CN 208893328U CN 201820817067 U CN201820817067 U CN 201820817067U CN 208893328 U CN208893328 U CN 208893328U
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- China
- Prior art keywords
- mounting blocks
- transfusion bottle
- water tank
- bottle
- conducting block
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a kind of Anti-backflow infusion devices, including bottle stopper puncture device and transfusion bottle, the bottle stopper puncture device is connected by perfusion tube with transfusion bottle, the side of the transfusion bottle is equipped with water tank, the same communicating pipe is welded between the water tank and transfusion bottle, the both ends of the communicating pipe are connected with water tank and transfusion bottle respectively, the top of the water tank is fixedly installed with fixed block, the side of fixed block is fixedly connected with transfusion bottle, control chamber is offered on the fixed block, mounting blocks are slidably fitted in control chamber, the bottom side of mounting blocks is welded with catch bar, the bottom end of the catch bar extends in water tank, and it is welded with floating ball, the two sides of the mounting blocks are rotatably connected to connecting rod.The utility model structure is simple, easy to use, and solving the problems, such as that the infusion apparatus of traditional structure cannot achieve safely and effectively prevents blood backflow, to reduce the difficulty of nursery work, meets the use demand of people.
Description
Technical field
The utility model relates to medical apparatus and instruments technical field more particularly to a kind of Anti-backflow infusion devices.
Background technique
Infusion apparatus is widely used in the medical field as conventional medical device, and it is defeated to be normally applied primarily to vein
Liquid is a kind of common medical treatment consumptive materials, generally by bottle plug puncture unit, infusion tube, dropping funnel, air filter, liquid medicine filter,
The connections such as flow regulator, intravenous infusion needle composition.In use, making medical fluid pass through infusion apparatus stream under the action of atmospheric pressure
Enter vein, still, as pulled out intravenous needle not in time after there is no safeguard procedures, liquid to be finished due to traditional infusion device, it is easy to lead
The case where causing blood backflow occurs, and height harmfulness constitutes the life of patient and seriously threatens.
Publication No. CN201220288269.0 discloses a kind of infusion device of disposable anti-return, mainly exists
The back-flow preventer of activity installation is added inside the dropping funnel, back-flow preventer includes the buoy and silicon that upper and lower grafting is integrated
Rubber mat, have many advantages, such as structure simple, safe ready, it is low in cost, be easily worked, anti-return significant effect；But it can only be primary
It uses, the higher cost of buoy and silicagel pad cannot be promoted the use of significantly.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of anti-return infusion proposed
Device.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of Anti-backflow infusion device, including bottle stopper puncture device and transfusion bottle, the bottle stopper puncture device pass through perfusion tube
It is connected with transfusion bottle, the side of the transfusion bottle is equipped with water tank, and the same communicating pipe is welded between the water tank and transfusion bottle, described
The both ends of communicating pipe are connected with water tank and transfusion bottle respectively, and the top of the water tank is fixedly installed with fixed block, and the one of fixed block
Side is fixedly connected with transfusion bottle, and control chamber is offered on the fixed block, and mounting blocks, the bottom of mounting blocks are slidably fitted in control chamber
Side is welded with catch bar, and the bottom end of the catch bar extends in water tank, and is welded with floating ball, and the two sides of the mounting blocks turn
Dynamic to be connected with connecting rod, the connecting rod is to be obliquely installed, and connecting rod is rotatably connected to sliding bar far from one end of mounting blocks,
Sliding groove is offered on the two sides inner wall of the control chamber, one end of the sliding bar extends in sliding groove and and sliding groove
It is slidably connected, spring is movably installed in the sliding groove, the both ends of the spring are respectively welded at sliding bar far from connecting rod
One end on and sliding groove far from the side inner wall of mounting blocks, the top side of the mounting blocks is fixedly installed with the first conducting block,
Be fixedly installed with the second conducting block on the top side inner wall of the control chamber, first conducting block be located at the second conducting block just under
Side, and the first conducting block and the second conducting block are adapted.
Preferably, the air filter being connected on perfusion tube, transfusion bottle are equipped between the bottle stopper puncture device and transfusion bottle
Side far from bottle stopper puncture device is equipped with the flow regulator being connected in turn on perfusion tube and liquid medicine filter and transfusion needle.
Preferably, the bottom of the transfusion bottle is fixedly installed with check valve, and check valve is connected with perfusion tube.
Preferably, limiting slot is offered on the two sides inner wall of the sliding groove, the two sides of sliding bar are welded with limit
Block, limited block are slidably mounted in limiting slot.
Preferably, the two sides of the mounting blocks offer rotation slot, are welded on the two sides inner wall of rotation slot same
Fixed link, connecting rod offer circular hole close to mounting blocks one end, and fixed link is rotatably installed in circular hole.
Preferably, the bottom side of second conducting block offers card slot, and card slot is adapted with the first conducting block.
Preferably, the fixed block is equipped with control switch and battery, the control switch, battery, the first conduction
Block, the second conducting block and check valve are successively electrically connected.
Preferably, through-hole being offered on the inner wall of the water tank top side, catch bar is slidably mounted in through-hole, and the two of catch bar
End all extends to outside through-hole.
Preferably, the transfusion bottle top is equipped with medicine flask cap, and medicine flask cap is equipped with inlet opening, and inlet opening is connected with perfusion tube
It is logical.
Preferably, circular hole is offered on the bottle stopper puncture device inner wall, circular hole is connected with air filter and perfusion tube
It is logical.
Compared with prior art, the utility model has the beneficial effects that
In the utility model, pass through bottle stopper puncture device, perfusion tube, water tank, connecting tube, check valve, air filter, stream
Amount adjuster, liquid medicine filter, transfusion needle and transfusion bottle are used cooperatively, and form a kind of Anti-backflow infusion device, and work as transfusion bottle
In liquid flow when so that transfusion bottle and water tank form simple linker, utilize mounting blocks, catch bar, floating ball, connecting rod, sliding
Bar, sliding groove, spring, the first conducting block and the second conducting block are used cooperatively, so that transfusion bottle circulation is constantly, infusion passes through connection
Pipe enters water tank, so that the floating ball in water tank is driven to rise, floating ball drives the mounting blocks on catch bar and catch bar top upward
Sliding, mounting blocks push connecting rod, connecting rod rotates on mounting blocks, and upward sliding so that connecting rod drive sliding bar to
Sliding in sliding groove, and press spring, makes spring that elastic deformation occur, in the process, mounting blocks drive the first conducting block with
Second conducting block is in contact, and check valve is in the open state, liquid communication, and after infusion, the first conducting block is led with second
Electric block separation, closed check valve, perfusion tube do not circulate, and can prevent blood backflow；The utility model structure is simple, easy to use,
Solving the problems, such as that the infusion apparatus of traditional structure cannot achieve safely and effectively prevents blood backflow, to reduce nursing work
The difficulty of work meets the use demand of people.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of Anti-backflow infusion device structural schematic diagram；
Fig. 2 be the utility model proposes a kind of Anti-backflow infusion device part A structural schematic diagram；
Fig. 3 be the utility model proposes a kind of Anti-backflow infusion device A1 partial structure diagram.
In figure: 1 bottle stopper puncture device, 2 perfusion tubes, 3 air filters, 4 transfusion bottles, 5 check valves, 6 communicating pipes, 7 water tanks, 8
Floating ball, 9 through-holes, 10 fixed blocks, 11 control chambers, 12 mounting blocks, 13 catch bars, 14 connecting rods, 15 sliding bars, 16 sliding grooves, 17
Spring, 18 first conducting blocks, 19 second conducting blocks, 20 flow regulators, 21 liquid medicine filters, 22 transfusion needles.
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.
Referring to Fig.1-3, a kind of Anti-backflow infusion device, including bottle stopper puncture device 1 and transfusion bottle 4, bottle stopper puncture device 1 are logical
It crosses perfusion tube 2 to be connected with transfusion bottle 4, the side of transfusion bottle 4 is equipped with water tank 7, and same be connected to is welded between water tank 7 and transfusion bottle 4
Pipe 6, the both ends of communicating pipe 6 are connected with water tank 7 and transfusion bottle 4 respectively, and the top of water tank 7 is fixedly installed with fixed block 10, fixed
The side of block 10 is fixedly connected with transfusion bottle 4, and control chamber 11 is offered on fixed block 10, is slidably fitted with mounting blocks in control chamber 11
12, the bottom side of mounting blocks 12 is welded with catch bar 13, and the bottom end of catch bar 13 extends in water tank 7, and is welded with floating ball 8, peace
The two sides of dress block 12 are rotatably connected to connecting rod 14, and connecting rod 14 is to be obliquely installed, and connecting rod 14 is far from mounting blocks 12
One end is rotatably connected to sliding bar 15, and sliding groove 16 is offered on the two sides inner wall of control chamber 11, and one end of sliding bar 15 is prolonged
It extends in sliding groove 16 and is slidably connected with sliding groove 16, spring 17, the both ends point of spring 17 are movably installed in sliding groove 16
It is not welded on the one end of sliding bar 15 far from connecting rod 14 and sliding groove 16 is far from the side inner wall of mounting blocks 12, mounting blocks
12 top side is fixedly installed with the first conducting block 18, and the second conducting block 19 is fixedly installed on the top side inner wall of control chamber 11, the
One conducting block 18 is located at the underface of the second conducting block 19, and the first conducting block 18 and the second conducting block 19 are adapted, and pass through bottle
Fill in sting device 1, perfusion tube 2, water tank 7, connecting tube 6, check valve 5, air filter 3, flow regulator 20, liquid medicine filter
21, transfusion needle 22 and transfusion bottle 4 are used cooperatively, and form a kind of Anti-backflow infusion device, and when the flowing of the inner liquid of transfusion bottle 4,
So that transfusion bottle 4 and water tank 7 form simple linker, using mounting blocks 12, catch bar 13, floating ball 8, connecting rod 14, sliding bar 15,
Sliding groove 16, spring 17, the first conducting block 18 and the second conducting block 19 are used cooperatively, so that the circulation of transfusion bottle 4 is constantly, infusion is logical
It crosses and communicating pipe 6 enters water tank 7, so that the floating ball in water tank 7 is driven to rise, floating ball 8 drives catch bar 13 and catch bar 13 to push up
12 upward sliding of mounting blocks at end, mounting blocks 12 push connecting rod 14, and connecting rod 14 rotates on mounting blocks 12, and slides up
It is dynamic, so that connecting rod 14 drives sliding bar 15 to slide into sliding groove 16, and spring 17 is pressed, makes spring 17 that elastic shape occur
Become, in the process, mounting blocks 12 drive the first conducting block 18 to be in contact with the second conducting block 19, and check valve 5 is in opening state
State, liquid communication, after infusion, the first conducting block 18 is separated with the second conducting block 19, and check valve 5 is closed, and perfusion tube 2 is not
Circulation, can prevent blood backflow.
The air filter 3 being connected on perfusion tube 2 is equipped between bottle stopper puncture device 1 and transfusion bottle 4, transfusion bottle 4 is far from bottle
The side of plug sting device 1 is equipped with the flow regulator 20 being connected in turn on perfusion tube 2 and liquid medicine filter 21 and transfusion needle
22, the bottom of transfusion bottle 4 is fixedly installed with check valve 5, and check valve 5 is connected with perfusion tube 2, on the two sides inner wall of sliding groove 16
Limiting slot is offered, the two sides of sliding bar 15 are welded with limited block, and limited block is slidably mounted in limiting slot, mounting blocks 12
Two sides offer rotation slot, the same fixed link are welded on the two sides inner wall of rotation slot, connecting rod 14 is close to mounting blocks 12
One end offers circular hole, and fixed link is rotatably installed in circular hole, and the bottom side of the second conducting block 19 offers card slot, card slot and first
Conducting block 18 is adapted, and fixed block 10 is equipped with control switch and battery, and the model of control switch is based on the list of AT89C51
Piece machine, control switch, battery, the first conducting block 18, the second conducting block 19 and check valve 5 are successively electrically connected, and first is conductive
Block 18 and the second conducting block 19 are conductive iron block, offer through-hole 9 on 7 top side inner wall of water tank, catch bar 13 is slidably mounted on
In through-hole 9, the both ends of catch bar 13 are all extended to outside through-hole 9, and 4 top of transfusion bottle is equipped with medicine flask cap, and medicine flask cap is equipped with inlet opening,
Inlet opening is connected with perfusion tube 2, and circular hole, circular hole and air filter 3 and perfusion tube are offered on 1 inner wall of bottle stopper puncture device
2 are connected, and are adjusted by bottle stopper puncture device 1, perfusion tube 2, water tank 7, connecting tube 6, check valve 5, air filter 3, flow
Device 20, liquid medicine filter 21, transfusion needle 22 and transfusion bottle 4 are used cooperatively, and form a kind of Anti-backflow infusion device, and work as transfusion bottle
When 4 inner liquid flow, so that transfusion bottle 4 and water tank 7 form simple linker, mounting blocks 12, catch bar 13, floating ball 8, connection are utilized
Bar 14, sliding bar 15, sliding groove 16, spring 17, the first conducting block 18 and the second conducting block 19 are used cooperatively, so that transfusion bottle 4
Constantly, infusion enters water tank 7 by communicating pipe 6 for circulation, so that the floating ball in water tank 7 is driven to rise, floating ball 8 drives catch bar 13
And 12 upward sliding of mounting blocks on 13 top of catch bar, mounting blocks 12 push connecting rod 14, connecting rod 14 is on mounting blocks 12
Rotation, and upward sliding so that connecting rod 14 drives sliding bar 15 to slide into sliding groove 16, and press spring 17, make spring
17 occur elastic deformation, and in the process, mounting blocks 12 drive the first conducting block 18 to be in contact with the second conducting block 19, check valve
5 is in the open state, liquid communication, and after infusion, the first conducting block 18 is separated with the second conducting block 19, and check valve 5 closes
It closes, perfusion tube 2 does not circulate, and can prevent blood backflow.
Working principle: when in use, by being used cooperatively for transfusion bottle 4, water tank 7 and communicating pipe 6, so that 4 He of transfusion bottle
Water tank 7 forms simple linker, and liquid enters water tank 7 by communicating pipe 6, so that the floating ball 8 in water tank 7 is driven to rise, floating ball 8
12 upward sliding of mounting blocks on catch bar 13 and 13 top of catch bar is driven, mounting blocks 12 push connecting rod 14, connecting rod 14
It is rotated on mounting blocks 12, and upward sliding, so that connecting rod 14 drives sliding bar 15 to slide into sliding groove 16, and presses bullet
Spring 17 makes spring 17 that elastic deformation occur, and in the process, mounting blocks 12 drive the first conducting block 18 and 19 phase of the second conducting block
Contact since fixed block 10 is equipped with control switch and battery, and control switch, battery, the first conducting block 18, second is led
Electric block 19 and check valve 5 are successively electrically connected, so that check valve 5 is opened, after being infused, the liquid in water tank 7 disappears, floating ball
8 loss of buoyance, under the elastic reaction of spring 17, spring 17 pushes sliding bar 15, and sliding bar 15 pushes connecting rod 14, connecting rod
14 push mounting blocks 12, so that the first conducting block 18 is separated with the second conducting block 19, check valve 5 is closed, and perfusion tube 2 does not circulate,
It can effectively prevent backflow phenomenon.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (10)
1. a kind of Anti-backflow infusion device, including bottle stopper puncture device (1) and transfusion bottle (4), which is characterized in that the bottle stopper puncture
Device (1) is connected by perfusion tube (2) with transfusion bottle (4), and the side of the transfusion bottle (4) is equipped with water tank (7), the water tank (7)
Be welded between transfusion bottle (4) the same communicating pipe (6), the both ends of the communicating pipe (6) respectively with water tank (7) and transfusion bottle (4)
It is connected, the top of the water tank (7) is fixedly installed with fixed block (10), and the side and transfusion bottle (4) of fixed block (10) are fixed to be connected
It connects, is offered control chamber (11) on the fixed block (10), be slidably fitted with mounting blocks (12), mounting blocks in control chamber (11)
(12) bottom side is welded with catch bar (13), and the bottom end of the catch bar (13) extends in water tank (7), and is welded with floating ball
(8), the two sides of the mounting blocks (12) are rotatably connected to connecting rod (14), and the connecting rod (14) is to be obliquely installed, and connect
Extension bar (14) is rotatably connected to sliding bar (15) far from the one end of mounting blocks (12), on the two sides inner wall of the control chamber (11)
It offers sliding groove (16), one end of the sliding bar (15), which extends in sliding groove (16) and slides with sliding groove (16), to be connected
It connects, is movably installed with spring (17) in the sliding groove (16), the both ends of the spring (17) are respectively welded at sliding bar (15)
On one end far from connecting rod (14) and on the side inner wall of sliding groove (16) separate mounting blocks (12), the mounting blocks (12)
Top side is fixedly installed with the first conducting block (18), is fixedly installed with the second conducting block on the top side inner wall of the control chamber (11)
(19), first conducting block (18) is located at the underface of the second conducting block (19), and the first conducting block (18) and the second conduction
Block (19) is adapted.
2. a kind of Anti-backflow infusion device according to claim 1, which is characterized in that the bottle stopper puncture device (1) and
The air filter (3) being connected on perfusion tube (2) is equipped between transfusion bottle (4), transfusion bottle (4) is far from bottle stopper puncture device (1)
Side is equipped with the flow regulator (20) being connected in turn on perfusion tube (2) and liquid medicine filter (21) and transfusion needle (22).
3. a kind of Anti-backflow infusion device according to claim 1, which is characterized in that the bottom of the transfusion bottle (4) is fixed
It is equipped with check valve (5), check valve (5) is connected with perfusion tube (2).
4. a kind of Anti-backflow infusion device according to claim 1, which is characterized in that in the two sides of the sliding groove (16)
Limiting slot is offered on wall, the two sides of sliding bar (15) are welded with limited block, and limited block is slidably mounted in limiting slot.
5. a kind of Anti-backflow infusion device according to claim 1, which is characterized in that the two sides of the mounting blocks (12) are equal
Rotation slot is offered, the same fixed link is welded on the two sides inner wall of rotation slot, connecting rod (14) is close to mounting blocks (12) one
End offers circular hole, and fixed link is rotatably installed in circular hole.
6. a kind of Anti-backflow infusion device according to claim 1, which is characterized in that the bottom of second conducting block (19)
Side offers card slot, and card slot is adapted with the first conducting block (18).
7. a kind of Anti-backflow infusion device according to claim 1, which is characterized in that the fixed block (10) is equipped with control
System switch and battery, the control switch, battery, the first conducting block (18), the second conducting block (19) and check valve (5) according to
Secondary electric connection.
8. a kind of Anti-backflow infusion device according to claim 1, which is characterized in that on the inner wall of water tank (7) top side
It offers through-hole (9), catch bar (13) is slidably mounted in through-hole (9), and the both ends of catch bar (13) all extend to through-hole (9)
Outside.
9. a kind of Anti-backflow infusion device according to claim 1, which is characterized in that transfusion bottle (4) top is equipped with and hangs
Bottle cap, medicine flask cap are equipped with inlet opening, and inlet opening is connected with perfusion tube (2).
10. a kind of Anti-backflow infusion device according to claim 1, which is characterized in that in the bottle stopper puncture device (1)
Circular hole is offered on wall, circular hole is connected with air filter (3) and perfusion tube (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820817067.8U CN208893328U (en) | 2018-05-29 | 2018-05-29 | A kind of Anti-backflow infusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820817067.8U CN208893328U (en) | 2018-05-29 | 2018-05-29 | A kind of Anti-backflow infusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208893328U true CN208893328U (en) | 2019-05-24 |
Family
ID=66566258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820817067.8U Expired - Fee Related CN208893328U (en) | 2018-05-29 | 2018-05-29 | A kind of Anti-backflow infusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208893328U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113019052A (en) * | 2021-03-09 | 2021-06-25 | 安徽顺达环保科技股份有限公司 | Energy-saving desulfurization and denitrification dust removal equipment for large boiler |
| CN113332521A (en) * | 2021-05-18 | 2021-09-03 | 吉林大学 | Hemorrhage preventing intravenous injector for idiopathic thrombocytopenic purpura nursing |
-
2018
- 2018-05-29 CN CN201820817067.8U patent/CN208893328U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113019052A (en) * | 2021-03-09 | 2021-06-25 | 安徽顺达环保科技股份有限公司 | Energy-saving desulfurization and denitrification dust removal equipment for large boiler |
| CN113332521A (en) * | 2021-05-18 | 2021-09-03 | 吉林大学 | Hemorrhage preventing intravenous injector for idiopathic thrombocytopenic purpura nursing |
| CN113332521B (en) * | 2021-05-18 | 2022-09-16 | 吉林大学 | Intravenous injector for preventing bleeding for nursing idiopathic thrombocytopenic purpura |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190524 Termination date: 20200529 |