CN208989905U - A kind of paediatrics special negative pressure syringe - Google Patents
A kind of paediatrics special negative pressure syringe Download PDFInfo
- Publication number
- CN208989905U CN208989905U CN201820807688.8U CN201820807688U CN208989905U CN 208989905 U CN208989905 U CN 208989905U CN 201820807688 U CN201820807688 U CN 201820807688U CN 208989905 U CN208989905 U CN 208989905U
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- CN
- China
- Prior art keywords
- syringe
- push rod
- fixture block
- valve
- negative pressure
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- 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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Abstract
The utility model discloses a kind of paediatrics special negative pressure syringes, including syringe, push rod, valve, U-shaped piece and fixture block, the barrel of the syringe is carved with graduation apparatus, syringe knob is respectively provided on the barrel up and down of the syringe right end, it is nested in the syringe and is connected with piston, the right end of the piston is fixedly connected with push rod, the push rod is fixed with push rod knob far from one end of piston, the push rod is equipped with fluting, the barrel of the right end of the syringe is equipped with U-shaped piece, fixture block is rotatably connected in U-shaped piece of the U-lag, the upper and lower ends of the fixture block are fixed with fixture block pulling plate, the fixture block is held in the fluting that push rod is equipped with, the right end of the syringe is fixed with valve, the right end of the valve is equipped with needle tubing seat.The paediatrics special negative pressure syringe does not need to be shaken hands with hand clamping push rod by the design of the fixture block of the automatic clamping push rod of energy, so that the hand being available can carry out other operations, easy to use, design is rationally.
Description
Technical field
The utility model belongs to medical apparatus technical field, and in particular to a kind of paediatrics special negative pressure syringe.
Background technique
Clinical common 0.9% sodium chloride, 5% glucose are mostly 50ml, 100ml, 250ml, 500ml at present, patient into
It only needs to select corresponding dosage when row infusion, but dosage needed for paediatrics is to be calculated and obtained according to infant weight, may be 70ml,
120ml etc. needs extra liquid to extract out, after reaching the dosage of needs, face the infusion treatment of infant at present
Bed usually carries out craft extraction with ordinary syringe, when use very not when extracting to the medical fluid in transfusion bottle or hanging bag
It is convenient.
Utility model content
The purpose of this utility model is to provide a kind of paediatrics special negative pressure syringes, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of paediatrics special negative pressure syringe, including
Syringe, push rod, valve, U-shaped piece and fixture block, the barrel of the syringe are carved with graduation apparatus, on the barrel up and down of the syringe right end
It is respectively provided with syringe knob, is nested in the syringe and is connected with piston, the right end of the piston is fixedly connected with push rod, the push rod
One end far from piston is fixed with push rod knob, and the push rod is equipped with fluting, and the barrel of the right end of the syringe is equipped with U
Type block is rotatably connected to fixture block in U-shaped piece of the U-lag, and the upper and lower ends of the fixture block are fixed with fixture block pulling plate, described
Fixture block is held in the fluting that push rod is equipped with, and the right end of the syringe is fixed with valve, and the right end of the valve is equipped with
Needle tubing seat, the needle tubing seat are fixedly connected with needle tubing, and the valve is equipped with valve switch, and the valve internal is equipped with hose.
Preferably, the outer wall of the piston and the inner wall of syringe mutually agree with, and are slidably connected at the inner wall of syringe.
Preferably, the push rod is in cross-shaped structure, and push rod is in contact with the inner wall of syringe.
Preferably, the fixture block is held in the fluting that push rod is equipped with, the one end of fixture block far from fluting and U-shaped piece of rotation
Connection, and the left end position of fixture block is contacted with U-shaped piece of U-type groove inner wall, the right end of fixture block is connected to U-shaped piece of U by spring
Type groove inner wall.
Preferably, the needle tubing is connected to needle tubing seat, and needle tubing seat is connected to by the hose being equipped in valve with syringe.
Preferably, the valve switch is connect by screw thread with valve, and the disc-shaped structure in bottom of valve switch.
The technical effect and advantage of the utility model: the paediatrics special negative pressure syringe passes through the automatic clamping push rod of energy
The design of fixture block does not need to be shaken hands with hand clamping push rod, so that the hand being available can carry out other operations, it is easy to use, lead to
Cross the design of piston, piston can be made closely to contact with the inner wall of syringe, prevent air on the outside of syringe by piston enter to
In syringe, it ensure that the environment that sealing is formed in syringe can make push rod be not easy to shake in syringe by the design of cross push rod
It is dynamic, it is more firm to make push rod, while the shaking due to push rod can also be avoided well and the air on the outside of syringe is made to pass through piston
It enters in syringe, ensure that the sealed environment in syringe, when being in negative pressure state due to the paediatrics special negative pressure syringe, needle
Pressure in cylinder is low, when hand decontrols push rod knob, push rod can be made mobile to the side of needle tubing, pass through setting for rotatable fixture block
Meter, can play the role of the clamping to push rod, and push rod is to needle tubing when the paediatrics special negative pressure syringe being prevented to be in negative pressure state
Side is mobile, while being not necessary to that, by the design of spring, card can be made so that push rod is in stationary state with hand clamping push rod
The automatic clamping push rod of block, easy to use, the design being threadedly coupled by valve switch with valve can make valve switch by turning
It is dynamic, move to the direction of hose, and then make the disk-like structure pressure holding hose of valve switch bottom, make air can not by hose into
Enter into syringe, play the closing function of valve, design is rationally, easy to use.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the push rod of the utility model；
Fig. 3 is the top view of the utility model；
Fig. 4 is the schematic enlarged-scale view in the utility model Fig. 3 at A；
Fig. 5 is the cross-sectional view of the utility model；
Fig. 6 is the structural schematic diagram of the fixture block of the utility model；
Fig. 7 is the structural schematic diagram of the valve of the utility model；
Fig. 8 is that the valve switch of the utility model presses the schematic diagram of hose；
Fig. 9 is the schematic diagram that the fixture block of the utility model loses the clamping effect of cross-notching.
In figure: 1 syringe, 2 push rods, 3 push rods knob, 4 valves, 5 needle tubing seats, 6 needle tubings, 7 syringes knob, 8U type block, 9 are opened
Slot, 10 graduation apparatus, 11 pistons, 12 valve switch, 13 fixture blocks, 14 fixture block pulling plates, 15 springs, 16 hoses.
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.
The utility model provides a kind of paediatrics special negative pressure syringe as shown in figs 1-9, including syringe 1, push rod 2,
Valve 4, U-shaped piece 8 and fixture block 13, the barrel of the syringe 1 are carved with graduation apparatus 10, each on the barrel up and down of 1 right end of syringe
Equipped with syringe knob 7, it is nested in the syringe 1 and is connected with piston 11, the right end of the piston 11 is fixedly connected with push rod 2, institute
It states push rod 2 and is fixed with push rod knob 3 far from one end of piston 11, the push rod 2 is equipped with fluting 9, the right end of the syringe 1
Barrel be equipped with U-shaped piece 8, fixture block 13 is rotatably connected in U-shaped piece 8 of the U-lag, the upper and lower ends of the fixture block 13 are solid
Surely it is equipped with fixture block pulling plate 14, the fixture block 13 is held in the fluting 9 that push rod 2 is equipped with, and the right end of the syringe 1 is fixed with
Valve 4, the right end of the valve 4 are equipped with needle tubing seat 5, and the needle tubing seat 5 is fixedly connected with needle tubing 6, and the valve 4 is equipped with
Valve switch 12 is equipped with hose 16 inside the valve 4.
Specifically, the outer wall of the piston 11 and the inner wall of syringe 1 mutually agree with, and it is slidably connected at the inner wall of syringe 1, led to
The design of piston 11 is crossed, piston 11 can be made closely to contact with the inner wall of syringe 1, prevents the air in 1 outside of syringe from passing through piston
11 enter into syringe 1, ensure that the environment that sealing is formed in syringe 1, easy to operate.
Specifically, the push rod 2 is in cross-shaped structure, and push rod 2 is in contact with the inner wall of syringe 1, passes through setting for push rod 2
Meter, can make push rod 2 be not easy to shake in syringe 1, it is more firm make push rod 2, while can also avoid the rolling due to push rod 2 well
It moves and enters the air in 1 outside of syringe in syringe 1 by piston 11, ensure that the sealed environment in syringe 1.
Specifically, the fixture block 13 is held in the fluting 9 that push rod 2 is equipped with, fixture block 13 one end and U far from fluting 9
Type block 8 is rotatablely connected, and the left end position of fixture block 13 is contacted with U-shaped piece 8 of U-type groove inner wall, and the right end of fixture block 13 passes through spring
15 are connected to U-shaped piece 8 of U-type groove inner wall, and the spring 15 is in compressive state, since the paediatrics special negative pressure syringe is in
When negative pressure state, the pressure in syringe 1 is low, when hand decontrols push rod knob 3, push rod 2 can be made mobile to the side of needle tubing 6, led to
The design for crossing rotatable fixture block 13, can play the role of the clamping to push rod 2, and the paediatrics special negative pressure syringe is prevented to be in negative
Push rod 2 is mobile to the side of needle tubing 6 when pressure condition, while being not necessary to use hand clamping push rod 2, so that push rod 2 is in fixing shape
State can make the automatic clamping push rod 2 of fixture block 13 by the design of spring 15, easy to use.
Specifically, the needle tubing 6 is connected to needle tubing seat 5, and needle tubing seat 5 passes through the hose 16 and syringe 1 being equipped in valve 4
Connection draws medical fluid convenient for the paediatrics special negative pressure syringe, is nested with the design in valve 4 by needle tubing seat 5, can facilitate needle tubing
6 and needle tubing seat 5 replacement.
Specifically, the valve switch 12 is rotatablely connected by screw thread and valve 4, and the bottom of valve switch 12 is disc-shaped
Structure, the design being threadedly coupled by valve switch 12 with valve 4 can make valve switch 12 by rotation, to the side of hose 16
To movement, and then the disk-like structure of 12 bottom of valve switch is made to press hose 16, makes air that can not enter needle by hose 16
In cylinder 1, the closing function of valve 4 is played.
Specifically, there are two types of models, respectively 60ml, 120ml for the paediatrics special negative pressure syringe.
Specifically, the paediatrics special negative pressure syringe is not needed by the design of the fixture block 13 of the automatic clamping push rod 2 of energy
It is easy to use so that the hand being available can carry out other operations with hand clamping push rod knob 3, in use, rotating valve switchs
12, move valve switch 12 and then threaded connection to the direction of hose 16 by with valve 4, until making 12 bottom of valve switch
The disk-like structure in portion presses hose 16, enter air can not by hose 16 in syringe 1, and stop operating valve switch 12,
The closing function of valve 4 is played, pulls push rod knob 3 at this time, push rod knob 3 drives push rod 2 and piston 11 to draw simultaneously to push rod
The side of hand 3 moves, and the fluting 9 that push rod 2 is equipped with drives fixture block 13 to rotate to the side of spring 15, until piston 11 moves to
When needing to extract the scale of liquid volume on graduation apparatus 10, push rod knob 3 is stopped drag, at this time since the paediatrics special negative pressure is injected
When device is in negative pressure state, the pressure in syringe 1 is low, when hand decontrols push rod knob 3, can make a sidesway of the push rod 2 to needle tubing 6
It is dynamic, since the elastic force of spring 15 acts on, rotate fixture block 13 to the side of syringe 1, until the left end position of fixture block 10 and U-shaped piece
8 U-type groove inner wall contact, fixture block 10 is held in fluting 9 at this time, plays the fixed function to push rod 2, then special with regard to the paediatrics
It is inserted into the transfusion bottle or hanging bag for being extracted liquid with the needle tubing 6 of vacuum injector, carries out extraction medical fluid, rotating valve switch
12, the hose 16 for making valve open 12 pressure holdings is restored to original shape, and due to being in vacuum state in syringe 1, medical fluid passes through needle
Pipe 6 and hose 16 are inhaled into syringe 1, and until being completely filled with medical fluid in syringe 1, which is extracted
Transfusion bottle or hanging bag pull push rod knob 13, and pull fixture block pulling plate 14 to the direction of push rod knob 13, make fixture block 13 to bullet
The side of spring 15 rotates, and then loses fixture block 13 and act on (as shown in Figure 9) to the clamping of push rod 2, pushes push rod 2 at this time, will
Medical fluid discharge in the paediatrics special negative pressure syringe, by the design of rotatable fixture block 13, can play the clamping to push rod 2
Effect, push rod 2 is mobile to the side of needle tubing 6 when the paediatrics special negative pressure syringe being prevented to be in negative pressure state, is further without simultaneously
, by the design of spring 15, the automatic clamping push rod of fixture block 13 can be made so that push rod 2 is in stationary state with hand clamping push rod 2
2, design is rationally, easy to use.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of paediatrics special negative pressure syringe, including syringe (1), push rod (2), valve (4), U-shaped piece (8) and fixture block (13),
It is characterized by: the barrel of the syringe (1) is carved with graduation apparatus (10), it is respectively provided on the barrel up and down of syringe (1) right end
Syringe shakes hands (7), is nested with and is connected with piston (11) in the syringe (1), the right end of the piston (11) is fixedly connected with push rod
(2), the push rod (2) is fixed with push rod knob (3) far from the one end of piston (11), and the push rod (2) is equipped with fluting
(9), the barrel of the right end of the syringe (1) is equipped with U-shaped piece (8), is rotatably connected to fixture block in the U-lag of U-shaped piece (8)
(13), the upper and lower ends of the fixture block (13) are fixed with fixture block pulling plate (14), and the fixture block (13) is held on push rod (2) and sets
In some flutings (9), the right end of the syringe (1) is fixed with valve (4), and the right end of the valve (4) is equipped with needle tubing seat
(5), the needle tubing seat (5) is fixedly connected with needle tubing (6), and the valve (4) is equipped with valve switch (12), the valve (4)
Inside is equipped with hose (16).
2. a kind of paediatrics special negative pressure syringe according to claim 1, it is characterised in that: the outer wall of the piston (11)
Mutually agree with the inner wall of syringe (1), and is slidably connected at the inner wall of syringe (1).
3. a kind of paediatrics special negative pressure syringe according to claim 1, it is characterised in that: the push rod (2) is in cross
Shape structure, and push rod (2) is in contact with the inner wall of syringe (1).
4. a kind of paediatrics special negative pressure syringe according to claim 1, it is characterised in that: the fixture block (13) is held in
In the fluting (9) that push rod (2) is equipped with, the one end of fixture block (13) far from fluting (9) and U-shaped piece (8) rotation connection, and fixture block
(13) left end position is contacted with U-shaped piece (8) of U-type groove inner wall, and the right end of fixture block (13) is connected to U-shaped piece by spring (15)
(8) U-type groove inner wall.
5. a kind of paediatrics special negative pressure syringe according to claim 1, it is characterised in that: the needle tubing (6) and needle tubing
Seat (5) connection, and needle tubing seat (5) is connected to by the hose (16) being equipped in valve (4) with syringe (1).
6. a kind of paediatrics special negative pressure syringe according to claim 1, it is characterised in that: the valve switch (12) is logical
It crosses screw thread to connect with valve (4), and the disc-shaped structure in bottom of valve switch (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820807688.8U CN208989905U (en) | 2018-05-29 | 2018-05-29 | A kind of paediatrics special negative pressure syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820807688.8U CN208989905U (en) | 2018-05-29 | 2018-05-29 | A kind of paediatrics special negative pressure syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208989905U true CN208989905U (en) | 2019-06-18 |
Family
ID=66795045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820807688.8U Expired - Fee Related CN208989905U (en) | 2018-05-29 | 2018-05-29 | A kind of paediatrics special negative pressure syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208989905U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110693641A (en) * | 2019-11-04 | 2020-01-17 | 华中科技大学同济医学院附属协和医院 | Pre-assembled pen type ICI injection device and operation method |
| CN115177335A (en) * | 2022-07-25 | 2022-10-14 | 肖仁意 | Syringe for puncture |
-
2018
- 2018-05-29 CN CN201820807688.8U patent/CN208989905U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110693641A (en) * | 2019-11-04 | 2020-01-17 | 华中科技大学同济医学院附属协和医院 | Pre-assembled pen type ICI injection device and operation method |
| CN115177335A (en) * | 2022-07-25 | 2022-10-14 | 肖仁意 | Syringe for puncture |
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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 |
Granted publication date: 20190618 Termination date: 20200529 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |