CN209108305U - A kind of fixed-quantity injector - Google Patents
A kind of fixed-quantity injector Download PDFInfo
- Publication number
- CN209108305U CN209108305U CN201821009727.6U CN201821009727U CN209108305U CN 209108305 U CN209108305 U CN 209108305U CN 201821009727 U CN201821009727 U CN 201821009727U CN 209108305 U CN209108305 U CN 209108305U
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- CN
- China
- Prior art keywords
- syringe
- snap ring
- handle
- arc groove
- axis
- 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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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a kind of fixed-quantity injectors, including syringe, syringe needle, core bar, handle, worm screw, chuck, turbine and handwheel；The beneficial effects of the utility model are, firstly, the syringe carries out accurate quantification by medical fluid injection rate of the worm gear mechanism to syringe；Secondly, the syringe is easy to carry and operates, arduously injected without using person, therefore continuous calibrated shot conveniently is carried out to medical fluid.
Description
Technical field
The utility model relates to the field of injecting more particularly to a kind of fixed-quantity injectors.
Background technique
Need patient to be carried out using syringe the injection of medical fluid during clinical operation.But medical treatment uses at present
Syringe cannot be according to clinical requirement dosed administration, needle tube type syringe need to be pushed away with fingerhold and squeezing, and need larger
Firmly.If the controlling of injecting quantity of medical fluid is improper, it is excessive or very few to there is injection, it may appear that over-treatment and insufficient therapy
The phenomenon that, such as: dopamine, the medicine can play the role of angiectatic in 5g/kg/min；And more than 15g/kg/min
When, then it can play the role of vasoconstrictive.Two kinds of drug effects completely contradicted can play the role of patient life-and-death.Therefore,
Need to exit accurately fixed-quantity injector, to realize the accurate quantitative of syringe medical fluid injection.
Utility model content
The purpose of this utility model: providing a kind of fixed-quantity injector, to solve problems of the prior art.
To achieve the goals above, the technical solution of the utility model is: a kind of fixed-quantity injector, including syringe, syringe needle,
Core bar, handle, worm screw, chuck, turbine and handwheel；The syringe front end is arranged in the syringe needle；The core bar setting
In the syringe inner cavity, and can be moved along the syringe axis；The core bar is set with close to described syringe one end
There is rubber piston set；The core bar cross section is cross, and the core bar covers one end far from the rubber piston
It is provided with core bar handle；The core bar handle is oblate column structure；The handle top surface offers arc groove, and described
Syringe is arranged in arc groove；Described its axis direction of two lateral edge of arc groove is arranged at intervals with a pair of of snap ring；The snap ring
Including left snap ring and right snap ring, and the two is circular arc body structure；The left snap ring and right snap ring and the circular arc trough rim
Line is hinged, and is provided with the first spring between the left snap ring and right snap ring；Described handle top surface one end is provided with installation
Platform, the handle top surface other end are provided with baffle；The erecting bed offers spiral shell along the arc groove axis direction
Pit, the worm screw are arranged in the threaded hole；Offer through-hole in the middle part of the baffle, the syringe front end with
The baffle contact, and the syringe needle passes through the through-hole；The worm screw sets close to described arc groove one end
It is equipped with chuck, and the chuck can be rotated around worm axis；The core bar handle is arranged in the chuck；Described
The intracavity of handle, and the worm screw engagement is arranged in turbine；The handwheel includes handwheel body and connecting shaft；It is described
Handwheel body the handle outer is set；The one end of the connecting shaft is arranged in the handwheel body center, the other end with
The turbine is fixedly connected.
Above-mentioned fixed-quantity injector, wherein further include rubber sleeve；The rubber is set on the left snap ring and the right side
Snap ring inner wall.
Above-mentioned fixed-quantity injector, wherein further include pressing plate；The pressing plate is arranged in the arc groove, and
It can be moved along the arc groove axis.
Above-mentioned fixed-quantity injector, wherein further include second spring；The circular arc groove bottom offers rectangular channel；Institute
The pressing plate bottom surface stated is contacted with the rectangle groove bottom；The second spring is arranged in the rectangular channel, a termination
The rectangular channel inner wall, pressing plate described in another termination.
Above-mentioned fixed-quantity injector, wherein the syringe is cylinder-like structure, and the syringe is far from described
Syringe needle one end radially extends outward to form male part；The male part is contacted with the pressing plate.
Above-mentioned fixed-quantity injector, wherein the arc groove periphery wall is provided with graduation mark along its axial direction.
Above-mentioned fixed-quantity injector, wherein the handwheel axis is overlapped with the turbine axis.
Above-mentioned fixed-quantity injector, wherein the rubber piston set is high damping silicone rubber set.
Above-mentioned fixed-quantity injector, wherein first spring is extension spring；The second spring is compression bullet
Spring.
Above-mentioned fixed-quantity injector, wherein the syringe axis is overlapped with the worm axis.
In conclusion the beneficial effects of the utility model are, firstly, the syringe is by worm gear mechanism to injection
The medical fluid injection rate of device carries out accurate quantification；Secondly, the syringe is easy to carry and operates, arduously injected without using person, because
This is convenient to the continuous calibrated shot of medical fluid progress.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of fixed-quantity injector of the utility model.
Fig. 2 is a kind of side view of fixed-quantity injector of the utility model.
Fig. 3 is a kind of cross-sectional view of fixed-quantity injector of the utility model.
Specific embodiment
The embodiments of the present invention that the following is further explained with reference to the attached drawings.
It refers to shown in attached drawing 1 to attached drawing 3, a kind of fixed-quantity injector, including syringe 1, syringe needle 2, core bar 3, handle 4, snail
Bar 5, chuck 6, turbine 7 and handwheel 8；1 front end of syringe is arranged in the syringe needle 2；The core bar 3 is arranged described
1 inner cavity of syringe, and can be moved along 1 axis of syringe；The core bar 3 is set with close to described 1 one end of syringe
Rubber piston set 301；3 cross section of core bar is cross, and the core bar 3 is far from the rubber piston set
301 one end are provided with core bar handle 302；The core bar handle 302 is oblate column structure；4 top surface of handle offers circle
Arc slot 401, and the syringe 1 is arranged in arc groove 401；Described its axis direction interval of 401 liang of lateral edges of arc groove
It is provided with a pair of of snap ring 9；The snap ring 9 includes left snap ring 901 and right snap ring 902, and the two is circular arc body structure；It is described
Left snap ring 901 and the left snap ring 901 and right snap ring 902 hinged and described with 401 sideline of arc groove of right snap ring 902
Between be provided with the first spring 903；Described 4 top surface one end of handle is provided with erecting bed 402, and 4 top surface of handle is another
End is provided with baffle 403；The erecting bed 402 offers threaded hole 404 along 401 axis direction of arc groove, described
Worm screw 5 be arranged in the threaded hole 404；Through-hole 405,1 front end of syringe are offered in the middle part of the baffle 403
It is contacted with the baffle 403, and the syringe needle 2 passes through the through-hole 404；The worm screw 5 is close to the circular arc
401 one end of slot is provided with chuck 6, and the chuck 6 can be rotated around 5 axis of worm screw；The core bar handle 302 is arranged in institute
In the chuck 6 stated；4 inner cavity of handle is arranged in the turbine 7, and the worm screw 5 engages；The handwheel 8
Including handwheel body 801 and connecting shaft 802；The handwheel body 801 is arranged in outside the handle 4；The connecting shaft 802
801 center of handwheel body is arranged in one end, and the other end is fixedly connected with the turbine 7.
It further include rubber sleeve 10；902 inner wall of left snap ring 901 and right snap ring is arranged in the rubber sleeve 10, leads to
The rubber sleeve 10 is crossed, the frictional force of the left snap ring 901 and right snap ring 902 and the syringe 1 is increased, so as to improve
Fixed condition.
It further include pressing plate 11；The pressing plate 11 is arranged in the arc groove 401, and can be along the arc groove
401 axis are mobile, and the pressing plate 11 and the baffle 403 are used to limit the syringe 1 and fix.
It further include second spring 12；401 bottom surface of arc groove offers rectangular channel 406；11 bottom surface of pressing plate
It is contacted with 406 bottom surface of rectangular channel；The second spring 12 is arranged in the rectangular channel 405, described in a termination
406 inner wall of rectangular channel, pressing plate 11 described in another termination, to enable the pressing plate 11 to change position, to adapt to not
With the syringe 1 of length.
The syringe 1 be cylinder-like structure, and the syringe 1 far from described 2 one end of syringe needle radially to
Male part 101 is extended to form outside；The male part 101 is contacted with the pressing plate 11, and the two is contacted to the syringe 1
It limits and fixed.
401 periphery wall of arc groove is provided with graduation mark 407 along its axial direction, by observing the graduation mark 407
Variation, can determine the medical fluid injection rate of syringe.
8 axis of handwheel is overlapped with 7 axis of turbine, and rotating the handwheel 8 can be such that the turbine 7 revolves
Turn, so that the worm screw 5 be driven to move.
The described rubber piston set 301 is high damping silicone rubber set, by with wall friction in the syringe 1, reach slow
The purpose of speed injection.
First spring 903 is extension spring；The second spring 12 is compressed spring, first spring
903 play the snap action to the syringe, and the second spring 12 is played to 101 pressuring action of male part.
1 axis of syringe is overlapped with 5 axis of worm screw, and the movement of worm screw 5 will be directly passed to described
Syringe 1.
In use, firstly, the syringe 1 is mounted in the arc groove 401, and it is located at the baffle
Between 403 and pressing plate 11, and the syringe is fixed by the snap ring 901, meanwhile, the core bar handle 302 is pacified
In the chuck 6；Then, the handle 4 that residence is stated is held for user one, another hand rotates the handwheel 8,
Under the turbine 7 and worm screw 5 act on, moved in syringe 1 described in the core bar 3, to make the medicine in the syringe 1
Liquid is injected to patient's body from the syringe needle 2.
In conclusion the beneficial effects of the utility model are, firstly, the syringe is by worm gear mechanism to injection
The medical fluid injection rate of device carries out accurate quantification；Secondly, the syringe is easy to carry and operates, arduously injected without using person, because
This is convenient to the continuous calibrated shot of medical fluid progress.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Any equivalent structural transformation made using the contents of the description of this utility model is directly or indirectly related with other are attached to
The technical field of product, is also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of syringe, it is characterised in that: including syringe (1), syringe needle (2), core bar (3), handle (4), worm screw (5), chuck
(6), turbine (7) and handwheel (8)；The syringe (1) front end is arranged in the syringe needle (2)；Core bar (3) setting exists
Described syringe (1) inner cavity, and can be mobile along syringe (1) axis；The core bar (3) is close to the syringe
(1) one end is set with rubber piston set (301)；Core bar (3) cross section is cross, and the core bar (3) is remote
Described rubber piston set (301) one end is provided with core bar handle (302)；The core bar handle (302) is oblate column structure；
Described handle (4) top surface offers arc groove (401), and syringe (1) setting is in arc groove (401)；It is described
(401) two lateral edge its axis direction of arc groove be arranged at intervals with a pair of of snap ring (9)；The snap ring (9) includes left snap ring
(901) and right snap ring (902), and the two is circular arc body structure；The left snap ring (901) and right snap ring (902) with it is described
The hinged and described left snap ring (901) and right snap ring (902) in arc groove (401) sideline between be provided with the first spring
(903)；Described handle (4) the top surface one end is provided with erecting bed (402), and the handle (4) top surface other end is provided with gear
Plate (403)；The erecting bed (402) offers threaded hole (404) along described arc groove (401) axis direction, described
Worm screw (5) is arranged in the threaded hole (404)；Through-hole (405), the needle are offered in the middle part of the baffle (403)
Cylinder (1) front end is contacted with the baffle (403), and the syringe needle (2) passes through the through-hole (405)；The worm screw
(5) it is provided with chuck (6) close to described arc groove (401) one end, and the chuck (6) can turn around worm screw (5) axis
It is dynamic；The core bar handle (302) is arranged in the chuck (6)；The turbine (7) is arranged in the handle (4)
Chamber, and worm screw (5) engagement；The handwheel (8) includes handwheel body (801) and connecting shaft (802)；The handwheel
It is external that the handle (4) is arranged in body (801)；Described connecting shaft (802) one end is arranged in the handwheel body (801)
The heart, the other end are fixedly connected with the turbine (7).
2. a kind of syringe according to claim 1, it is characterised in that: further include rubber sleeve (10)；The rubber sleeve
(10) the left snap ring (901) and right snap ring (902) inner wall are set.
3. a kind of syringe according to claim 1, it is characterised in that: further include pressing plate (11)；The pressing plate (11)
It is arranged in the arc groove (401), and can be mobile along arc groove (401) axis.
4. a kind of syringe according to claim 3, it is characterised in that: further include second spring (12)；The circular arc
Slot (401) bottom surface offers rectangular channel (406)；Pressing plate (11) bottom surface is contacted with described rectangular channel (406) bottom surface；Institute
The second spring (12) stated is arranged in the rectangular channel (406), described rectangular channel (406) inner wall of a termination, the other end
Connect the pressing plate (11).
5. a kind of syringe according to claim 4, it is characterised in that: the syringe (1) is cylinder-like structure, and
The syringe (1) radially extends outward to form male part (101) far from described syringe needle (2) one end；The evagination
Portion (101) is contacted with the pressing plate (11).
6. a kind of syringe according to claim 1, it is characterised in that: arc groove (401) periphery wall is along its axis
To being provided with graduation mark (407).
7. a kind of syringe according to claim 1, it is characterised in that: handwheel (8) axis and the turbine
(7) axis is overlapped.
8. a kind of syringe according to claim 1, it is characterised in that: the rubber piston set (301) is high-damping
Silicone rubber sleeve.
9. a kind of syringe according to claim 4, it is characterised in that: first spring (903) is extension spring；
The second spring (12) is compressed spring.
10. a kind of syringe according to claim 1, it is characterised in that: syringe (1) axis and the worm screw
(5) axis is overlapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821009727.6U CN209108305U (en) | 2018-06-28 | 2018-06-28 | A kind of fixed-quantity injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821009727.6U CN209108305U (en) | 2018-06-28 | 2018-06-28 | A kind of fixed-quantity injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209108305U true CN209108305U (en) | 2019-07-16 |
Family
ID=67195873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821009727.6U Expired - Fee Related CN209108305U (en) | 2018-06-28 | 2018-06-28 | A kind of fixed-quantity injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209108305U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111282088A (en) * | 2020-03-01 | 2020-06-16 | 罗德群 | Accurate autologous fat filling device capable of finely adjusting and quantifying |
-
2018
- 2018-06-28 CN CN201821009727.6U patent/CN209108305U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111282088A (en) * | 2020-03-01 | 2020-06-16 | 罗德群 | Accurate autologous fat filling device capable of finely adjusting and quantifying |
| CN111282088B (en) * | 2020-03-01 | 2021-09-03 | 杭州丽脂医疗科技有限公司和兴路医疗美容门诊部 | Accurate autologous fat filling device capable of finely adjusting and quantifying |
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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: 20190716 Termination date: 20200628 |