CN208838768U - A kind of continuous injection medication device - Google Patents
A kind of continuous injection medication device Download PDFInfo
- Publication number
- CN208838768U CN208838768U CN201820405253.0U CN201820405253U CN208838768U CN 208838768 U CN208838768 U CN 208838768U CN 201820405253 U CN201820405253 U CN 201820405253U CN 208838768 U CN208838768 U CN 208838768U
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- syringe
- cavity
- piston
- screw thread
- side wall
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Abstract
The utility model discloses a kind of continuous injection medication devices, including the first syringe, the rear end of first syringe is equipped with handle, the inside of first syringe is provided with the first cavity, the internal slide of first cavity is connected with the second syringe, the front end of second syringe is fixedly connected with piston head, piston head is equipped with annular groove close to one end side wall of the second syringe, the internal activity of annular groove is socketed with the first rubber piston, the front end of first cavity is equipped with top pillar, the inside of top pillar is provided with T-type through-hole, first cavity is interconnected by T-type through-hole and inner hole, inner hole is opened in the inside of injection head, the utility model is double-layer injector, second cavity can in advance extract the physiological saline of washing pipe or glucose, the device is mainly applied to use remaining needle pipeline, injection accuracy, which can be improved, and be also prevented from repeatedly replacement syringe reduces working strength , medical-risk is reduced, safety is also improved.
Description
Technical field
The utility model relates to technical field of medical equipment, specially a kind of continuous injection medication device.
Background technique
At present in clinical position, intravenous injection drug is extremely common administration mode because its can rapid-onset, and
Can be to avoid first pass effect, but clinically intravenous injection drug usually to drug concentration and is injected speed and is required, for example, quiet
Arteries and veins injects frusemide and usually injects stoste, and the needs such as intravenous injection contrast agent strictly calculate administration concentration, and bolus dose often has
It is strict with, injecting rear delivery tube road often has remnants, and current Normal practice is washing pipe after injecting drug, that is, after having pushed away drug
It replaces syringe or is drawn again using former syringe and inject a physiological saline or glucose again, thus cause clinical position
It complicates, not only increases the work load of nursing staff, also increase the risk of nosocomial infection, particularly with using remaining needle
Patient, due to the presence of remaining needle pipeline, for drug by that a part of medical fluid will necessarily be made to be trapped in pipeline after injecting, it is fixed to cause
Amount inaccuracy, we have proposed the devices that one kind can continuously inject drug thus.
Utility model content
The purpose of this utility model is to provide a kind of continuous injection medication devices, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of continuous injection medication device, including the
The rear end of one syringe, first syringe is equipped with handle, and the inside of first syringe is provided with the first cavity, first cavity
Internal slide be connected with the second syringe, the front end of second syringe is fixedly connected with piston head, and the piston head is close to
One end side wall of two syringes is equipped with annular groove, and the internal activity of the annular groove is socketed with the first rubber piston, and described second
The rear end of syringe is equipped with first piston handle, and the inside of second syringe is provided with the second cavity, and the inside of second cavity is sliding
Dynamic to be connected with piston shaft, the front end activity of the piston shaft is connected with the second rubber piston, and the rear end of the piston shaft is fixed to be connected
It is connected to second piston handle；
The front end of first cavity is equipped with top pillar, and the inside of the top pillar is provided with T-type through-hole, and first cavity passes through
T-type through-hole and inner hole are interconnected, and the inner hole is opened in the inside of injection head, and the injection head is fixedly connected on the first syringe
One end of front end, the top pillar is flexibly connected through rubber ring with ball valve, and the rubber ring is connected to piston head by ring block
End, the ball valve is slidably connected at the inside of unidirectional chamber by flexible clamp piece, and the unidirectional chamber is opened in the inside of piston head,
The unidirectional chamber is interconnected by the connecting hole being opened in inside piston head and the second cavity.
Preferably, activity is connected with remaining needle pipeline on the injection head, and the remaining needle pipeline engages company with adapter sleeve
It connects, the adapter sleeve is fixedly connected on the front end of the first syringe.
Preferably, multiple stiffening plates are equipped on the side wall of second syringe and piston shaft.
Preferably, the side wall of first syringe is equipped with graduation mark.
Preferably, the material of the flexible clamp piece is medical grade PVC or medical grade stainless steel.
Preferably, the flexible clamp piece is spring or elastic slice.
Preferably, the piston head is equipped with the first external screw thread, the first outer spiral shell far from one end side wall of the second syringe
Line engages connection with the first internal screw thread being located in the first cavity front end side wall, and the side wall of second syringe is equipped with outside second
Screw thread, second external screw thread engage connection with the second internal screw thread being located on the first cavity rear end side wall.
Preferably, the rubber ring is the anchor ring of concave shaped close to one end of top pillar.
Compared with prior art, the utility model has the beneficial effects that the utility model is double-layer injector, the second cavity
The physiological saline of washing pipe or glucose can be extracted in advance, rotating the second syringe counterclockwise makes the first external screw thread and the second external screw thread
Be detached from simultaneously with the first internal screw thread and the second internal screw thread respectively, the second cavity due to ball valve by the inlet seal of unidirectional chamber therefore with
The external world is not connected to, and outer syringe is similar with general injector for medical purpose, according to the stringent control injection of graduation mark on the first syringe
It is medicinal to measure and inject speed, after the drug injection of outer layer, make the first external screw thread by rotating clockwise the second syringe
It is at a fully engaged with the first internal screw thread and the second internal screw thread simultaneously respectively with the second external screw thread, at this point, top pillar is by ball valve to unidirectional chamber
Inside head into, so that the physiological saline of the second cavity inside or glucose is directly carried out washing pipe in the case where constant needle exchange cylinder,
The less complication of clinical position, not only reduces the work load of nursing staff, also reduces the risk of nosocomial infection, together
When also enter injection drug it is quantitative more accurate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is that second syringe of the utility model skids off the structural schematic diagram after the first cavity；
Fig. 3 is the cross-sectional view of the utility model；
Fig. 4 is the structural blast schematic diagram at the piston head of the utility model；
Fig. 5 is enlarged drawing at the A of Fig. 3 of the utility model；
Fig. 6 is the partial sectional view at the top pillar of the utility model；
Fig. 7 is that the piston shaft of the utility model skids off the structural blast schematic diagram after the second cavity；
Fig. 8 is the structural schematic diagram of the top pillar of the utility model；
Fig. 9 is the structural schematic diagram of the rubber ring of the utility model；
Figure 10 is that the flexible clamp piece of the utility model is the structural schematic diagram of elastic slice.
In figure: 1, first syringe, the 2, first cavity, 3, first handle, the 4, second syringe, 5, stiffening plate, 6, piston head, 7,
Annular groove, the 8, first rubber piston, the 9, first external screw thread, the 10, second external screw thread, 11, unidirectional chamber, 12, flexible clamp piece, 13, ball
Valve, 14, ring block, 15, rubber ring, 16, top pillar, the 17, first internal screw thread, the 18, second internal screw thread, 19, connecting hole, 20, second
Cavity, 21, first piston handle, 22, piston shaft, 23, second piston handle, the 24, second rubber piston, 25, T-type through-hole, 26, injection
Head, 27, adapter sleeve, 28, inner hole, 29, remaining needle pipeline, 30, graduation mark.
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.
Fig. 1-10 is please referred to, the utility model provides a kind of technical solution: a kind of continuous injection medication device, including first
The rear end of syringe 1, first syringe 1 is equipped with handle 3, and the inside of first syringe 1 is provided with the first cavity 2, the first cavity 2
For for injecting main ingredient, the internal slide of first cavity 2 is connected with the second syringe 4, and the front end of second syringe 4 is fixed
Be connected with piston head 6, the piston head 6 is equipped with annular groove 7 close to one end side wall of the second syringe 4, the annular groove 7 it is interior
Portion's movable sleeve is connected to the first rubber piston 8, and the inner sidewall gluing, sealing of the side wall of the first rubber piston 8 and the first cavity 2 is described
The rear end of second syringe 4 is equipped with first piston handle 21, and first piston handle 21 is pushed when injecting drug, second syringe 4
Inside is provided with the second cavity 20, the physiological saline or glucose of the internal storage washing pipe of the second cavity 20, second cavity 20
Internal slide be connected with piston shaft 22, the front end activity of the piston shaft 22 is connected with the second rubber piston 24, the second rubber
The rear end of the inner sidewall gluing, sealing of the side wall of piston 24 and the second cavity 20, the piston shaft 22 is fixedly connected with second piston
Handle 23 pushes second piston handle 23 in injecting normal saline or glucose；
The front end of first cavity 2 is equipped with top pillar 16, and the inside of the top pillar 16 is provided with T-type through-hole 25, and described first
Cavity 2 is interconnected by T-type through-hole 25 and inner hole 28, and the first cavity 2 and the second cavity 20 pass through T-type through-hole 25 and inner hole
28 are connected, to be in communication with the outside, the inner hole 28 is opened in the inside of injection head 26, and the injection head 26 is fixedly connected on
One end of the front end of one syringe 1, the top pillar 16 is flexibly connected through rubber ring 15 with ball valve 13, when first piston handle 21 is injected
It completes, the front side wall of rubber ring 15 and the first cavity 2 seals, and top pillar 16 heads into ball valve 13 to the inside of unidirectional chamber 11, at this time
First cavity 1 and the external world are obstructed, and the second cavity 20 is in communication with the outside, and slide second piston handle 23 in this case for the second cavity
20 internal physiological salt water or glucose injection is gone out, and present apparatus top pillar 16 and ball valve 13 when the first cavity 2 extracts liquid is de-
From ball valve 13 is closely connect under the action of flexible clamp piece 12 with rubber ring 15, will block unidirectional 11 port of chamber, the first cavity 2
It communicates with the outside world, the second cavity 20 and the external world are obstructed, slide first piston 21 in this case and carry out to the inside of the first cavity 2
Drug is filling, and the rubber ring 15 is connected to the end of piston head 6 by ring block 14, and the ball valve 13 passes through flexible clamp piece 12
It is slidably connected at the inside of unidirectional chamber 11, the unidirectional chamber 11 is opened in the inside of piston head 6, and the unidirectional chamber 11 is by being opened in work
Connecting hole 19 and the second cavity 20 inside chock plug 6 are interconnected.
Specifically, activity is connected with remaining needle pipeline 29, the remaining needle pipeline 29 and fastening on the injection head 26
27 engagement connection of set, the adapter sleeve 27 are fixedly connected on the front end of the first syringe 1, and remaining needle pipeline 29 is engaged with adapter sleeve 27
It can make remaining needle pipeline 29 and the more firm connection of injection head 26.
Specifically, be equipped with multiple stiffening plates 5 on second syringe 4 and the side wall of piston shaft 22, stiffening plate 5 makes the
Two syringes 4 do not tilt bias in corresponding intracavitary sliding with piston shaft 22, the first rubber of front end after preventing inclination eccentric
Piston 8 and the second rubber piston 24 are poorly sealed.
Specifically, the side wall of first syringe 1 is equipped with graduation mark 30, according to the graduation mark 30 on the first syringe 1
The medicinal metering of stringent control injection and inject speed, the present apparatus due to rubber ring 15 presence thus the first cavity 2 can not
It can inject completely, have and remain in the first cavity 2 a little, specific submit is determined by the size of rubber ring 15, under normal circumstances
The smaller volume herein of the size of rubber ring 15 can be ignored, and the size of rubber ring 15 is fixed institute for the present apparatus
It is this surplus to be counted and reaches more accurate and quantifies it was determined that can be adjusted to graduation mark 30 with residual volume.
Specifically, the material of the flexible clamp piece 12 is medical grade PVC or medical grade stainless steel, prevent because of material problem
Caused by pollute.
Specifically, the flexible clamp piece 12 is spring or elastic slice, it is therefore an objective to when injecting the main ingredient in the first cavity 2,
Ball valve 13 can be jacked up to be formed with rubber ring 15 and sealed, prevent from causing confusion with the liquid in the second cavity 20, and elastic card
Part 12 will not block being connected to for connecting hole 19 and unidirectional chamber 11, and flexible clamp piece 12 as shown in Figure 4 is spring, as shown in Figure 10 elasticity
Fastener 12 or elastic slice, the flexible clamp piece 12 with said effect.
Specifically, in order to make to have injected the stability of main ingredient (such as frusemide) pipeline connection afterwards, the piston head 6 is separate
One end side wall of second syringe 4 is equipped with the first external screw thread 9, first external screw thread 9 be located in 2 front end side wall of the first cavity
The first internal screw thread 17 engage connection, the side wall of second syringe 4 is equipped with the second external screw thread 10, second external screw thread 10
Connection is engaged with the second internal screw thread 18 being located on 2 rear end side wall of the first cavity, rotating clockwise the second syringe 4 makes the first outer spiral shell
Line 9 and at a fully engaged, the second external screw thread 10 of the first internal screw thread 17 and the second internal screw thread 18 are at a fully engaged, and the two engages simultaneously
Or separation, the second syringe 4 is inactive in the fixation of the inside of the first cavity 2 after engagement, prevents from being used to rinse in the second cavity 20
Physiological saline or glucose injection when enter back into the first cavity 2.
Specifically, the rubber ring 15 is the anchor ring of concave shaped close to one end of top pillar 16, this shape is receiving extruding
After can be inwardly extended, higher sealing effect is obtained under lesser volume.
Working principle: in use, making the first external screw thread 9 and the second external screw thread by rotating clockwise the second syringe 4 first
10 is at a fully engaged with the first internal screw thread 17 and the second internal screw thread 18 simultaneously respectively, and top pillar 16 is by ball valve 13 to the inside of unidirectional chamber 11
It heads into, the front side wall sealing of rubber ring 15 and the first cavity 2, the first cavity 1 and the external world are obstructed at this time, the second cavity 20 and the external world
Connection pulls second piston handle 23 to extract to the inside of the second cavity 20 in this case and pours into physiological saline or glucose, takes out
Take it is appropriate after, rotate counterclockwise the second syringe 4 make the first external screw thread 9 and the second external screw thread 10 respectively and meanwhile with the first internal screw thread 17
With the second internal screw thread 18 be detached from, rubber ring 15 and the front side wall of the first cavity 2 separate at this time, ball valve 13 separated with top pillar 16 and by
The elastic force of flexible clamp piece 12 seals it with 15 side of rubber ring, blocks the oral area of unidirectional chamber 11, therefore the first cavity 2 and the external world
It communicates, the second cavity 20 and the external world are obstructed, pull first piston 21 fixed according to scale to the inside of the first cavity 2 in this case
Amount extracts drug, is later attached the adapter sleeve of the present apparatus 27 and remaining needle pipeline 29, medicine injection has injected Shi Zaishun
Hour hands rotate the second syringe 4 make the first external screw thread 9 and the second external screw thread 10 respectively and meanwhile with spiral shell in the first internal screw thread 17 and second
Line 18 is at a fully engaged, and top pillar 16 heads into ball valve 13 to the inside of unidirectional chamber 11, and rubber ring 15 and the front side wall of the first cavity 2 are close
Envelope, the first cavity 1 and the external world are obstructed at this time, and the second cavity 20 is in communication with the outside, in this case promotion second piston handle 23 to
Physiological saline or glucose inside 29 the second cavity of internal injection 20 of remaining needle pipeline, rush remaining needle pipeline 29
It washes, prevents the residual of main ingredient from causing injection volume inaccurate, the device is mainly applied to use remaining needle pipeline 29, Ke Yiti
Height, which injects accuracy and is also prevented from repeatedly replacement syringe, reduces working strength, reduces medical-risk, also improves safety.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of continuous injection medication device, including the first syringe (1), it is characterised in that: the rear end of first syringe (1) is set
Have handle (3), the inside of first syringe (1) is provided with the first cavity (2), the internal slide connection of first cavity (2)
Have the second syringe (4), the front end of second syringe (4) is fixedly connected with piston head (6), and the piston head (6) is close to second
One end side wall of syringe (4) is equipped with annular groove (7), and the internal activity of the annular groove (7) is socketed with the first rubber piston
(8), the rear end of second syringe (4) is equipped with first piston handle (21), and the inside of second syringe (4) is provided with the second cavity
(20), the internal slide of second cavity (20) is connected with piston shaft (22), the front end activity clamping of the piston shaft (22)
Have the second rubber piston (24), the rear end of the piston shaft (22) is fixedly connected with second piston handle (23)；
The front end of first cavity (2) is equipped with top pillar (16), and the inside of the top pillar (16) is provided with T-type through-hole (25), described
First cavity (2) is interconnected by T-type through-hole (25) and inner hole (28), and the inner hole (28) is opened in the interior of injection head (26)
Portion, the injection head (26) are fixedly connected on the front end of the first syringe (1), and rubber ring (15) are run through in one end of the top pillar (16)
It is flexibly connected with ball valve (13), the rubber ring (15) is connected to the end of piston head (6), the ball valve by ring block (14)
(13) inside of unidirectional chamber (11) is slidably connected at by flexible clamp piece (12), the unidirectional chamber (11) is opened in piston head (6)
Inside, the unidirectional chamber (11) are interconnected by being opened in the internal connecting hole (19) of piston head (6) and the second cavity (20).
2. a kind of continuous injection medication device according to claim 1, it is characterised in that: movable on the injection head (26)
It is connected with remaining needle pipeline (29), the remaining needle pipeline (29) engages connection with adapter sleeve (27), and the adapter sleeve (27) is solid
Surely it is connected to the front end of the first syringe (1).
3. a kind of continuous injection medication device according to claim 1, it is characterised in that: second syringe (4) and living
It fills in and is equipped with multiple stiffening plates (5) on the side wall of axis (22).
4. a kind of continuous injection medication device according to claim 1, it is characterised in that: the side of first syringe (1)
Wall is equipped with graduation mark (30).
5. a kind of continuous injection medication device according to claim 1, it is characterised in that: the material of the flexible clamp piece (12)
Matter is medical grade PVC or medical grade stainless steel.
6. a kind of continuous injection medication device according to claim 1, it is characterised in that: the flexible clamp piece (12) is bullet
Spring or elastic slice.
7. a kind of continuous injection medication device according to claim 1, it is characterised in that: the piston head (6) is far from the
One end side wall of two syringes (4) is equipped with the first external screw thread (9), first external screw thread (9) and is located at the first cavity (2) front end
The first internal screw thread (17) on side wall engages connection, and the side wall of second syringe (4) is equipped with the second external screw thread (10), described
Second external screw thread (10) engages connection with the second internal screw thread (18) being located on the side wall of the first cavity (2) rear end.
8. a kind of continuous injection medication device according to claim 1, it is characterised in that: the rubber ring (15) is close to top
One end of column (16) is the anchor ring of concave shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820405253.0U CN208838768U (en) | 2018-03-25 | 2018-03-25 | A kind of continuous injection medication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820405253.0U CN208838768U (en) | 2018-03-25 | 2018-03-25 | A kind of continuous injection medication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208838768U true CN208838768U (en) | 2019-05-10 |
Family
ID=66349713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820405253.0U Expired - Fee Related CN208838768U (en) | 2018-03-25 | 2018-03-25 | A kind of continuous injection medication device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208838768U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108325027A (en) * | 2018-03-25 | 2018-07-27 | 自贡市第四人民医院(自贡市急救中心) | A kind of continuous injection medication device |
| CN113180360A (en) * | 2021-03-29 | 2021-07-30 | 魏翔 | Alleviate device that postoperative mouth was done before anesthesia patient's art was used |
-
2018
- 2018-03-25 CN CN201820405253.0U patent/CN208838768U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108325027A (en) * | 2018-03-25 | 2018-07-27 | 自贡市第四人民医院(自贡市急救中心) | A kind of continuous injection medication device |
| CN113180360A (en) * | 2021-03-29 | 2021-07-30 | 魏翔 | Alleviate device that postoperative mouth was done before anesthesia patient's art was used |
| CN113180360B (en) * | 2021-03-29 | 2022-10-11 | 魏翔 | Alleviate device of postoperative oral cavity drying usefulness before operation fasting water patient |
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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: 20190510 Termination date: 20200325 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |