CN208448325U - A kind of disposable children's safe injection needle - Google Patents
A kind of disposable children's safe injection needle Download PDFInfo
- Publication number
- CN208448325U CN208448325U CN201721266787.1U CN201721266787U CN208448325U CN 208448325 U CN208448325 U CN 208448325U CN 201721266787 U CN201721266787 U CN 201721266787U CN 208448325 U CN208448325 U CN 208448325U
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- CN
- China
- Prior art keywords
- needle
- storage
- sliding sleeve
- needle guard
- syringe
- 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.)
- Expired - Fee Related
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to disposable children's safe injection needles, it is quick children can effectively to be solved, the problem of safe intramuscular injection, its technical solution is, the sliding sleeve being connected with syringe front end is provided on the outside of steel needle, it is set on steel needle and is slidingly sealed column along what its length was slided forwards, backwards, the storage needle guard that column is fixed together is provided with and is slidingly sealed between sliding sleeve and steel needle, sliding sleeve is stretched out in the front end for storing up needle guard, it is connected on sealing column front end face and is fixed together with storage needle guard front end and stretches out the casing of storage needle guard front end, steel needle protrudes into storage needle guard inner cavity, to preceding protruding into cannula cavity after sealing column, steel needle needle point is in the protection of casing after the utility model injection, avoid the generation that needle is stabbed, it is fixed after inserting needle by locating cover, it prevents from shaking, it is injected driving steel needle to be detached from human body by sliding sleeve, securely and reliably, it uses Convenient, effect is good, is the innovation on syringe.
Description
Technical field
The utility model relates to injection needle, especially a kind of disposable children's safe injection needle.
Background technique
In clinical position, when children's intramuscular injection, since it is unworthy of closing operation, generally requires parent and sets position completely,
Operator could inject drug to it.But after injection needle has just enter into muscle, due to unexpected pain, infant can not be from main product
The raw activities of grade of kicking one's legs.This activity will lead to undesirable consequence: 1, movable amplitude is small, may result in syringe needle in muscle
Middle position change, muscle injury tissue, thus the sense that aggravates the pain.2, movable amplitude is big, then may result in syringe needle from skin
Abjection, causes the waste of medical fluid, operator may then occur needle and stab.3, activity acutely causes syringe needle to fracture.Cause
This, the improvement and innovation of children's injection needle are imperative.
Utility model content
For above situation, for the defect for overcoming the prior art, the purpose of the utility model is just to provide a kind of disposable
Children's safe injection needle can effectively solve the problems, such as that children are quick, safe intramuscular injection.
The technical solution that the utility model solves is a kind of disposable children's safe injection needle, including syringe, piston core
The piston end of bar and steel needle, piston core pin protrudes into syringe inner cavity from the oral area of back end of syringe, and steel needle is mounted in the front end of syringe, steel needle
Inlet and piston core pin piston end between syringe inner cavity constitute suction type sliding stroke chamber, piston core pin is along syringe
Chamber length is slided forwards, backwards, constitutes compression injection structure, is provided with the sliding sleeve being connected with syringe front end on the outside of steel needle, on steel needle
It is set with and is slidingly sealed column along what its length was slided forwards, backwards, column is provided with and be slidingly sealed between sliding sleeve and steel needle and is fixed on one
The storage needle guard risen, the front end for storing up needle guard stretch out sliding sleeve, are connected on sealing column front end face and are fixed together with storage needle guard front end
And stretch out the casing of storage needle guard front end, steel needle protrudes into storage needle guard inner cavity, after sealing column to cannula cavity is preceding protruded into, stretch out and slide
It is provided with the locating cover extended radially on the storage needle guard outer wall of dynamic set front end portion, stores up and is provided with elastic slice on needle guard outer wall, it is sliding
It is provided with location hole corresponding with elastic slice on the outer wall of dynamic set, slides back and forth sliding sleeve, behind sliding sleeve front end and locating cover
When end is in contact, steel needle stretches out the front end of casing, and when elastic slice is installed on positioning hole, the front end of steel needle is located at sealing column and determines
In casing between the cover of position.
The utility model structure novel is unique, and advantages of simple is easy to produce, easy to operate, solves in clinical position to baby, youngster
Child carries out the problem of intramuscular injection, while steel needle needle point is in the protection of casing after injection, avoids the generation that needle is stabbed, into
It is fixed after needle by locating cover, prevents from shaking, injected, securely and reliably, made driving steel needle to be detached from human body by sliding sleeve
With conveniently, effect is good, is the innovation on syringe, there is good social and economic benefit.
Detailed description of the invention
Fig. 1 is the structural schematic diagram (partly cut-away) of the utility model.
Fig. 2 is the enlarged partial sectional view (inserting needle state) of the utility model syringe front end.
Fig. 3 is the enlarged partial sectional view (injection state) of the utility model syringe front end.
Specific embodiment
Specific embodiment of the present utility model is described in further detail below in conjunction with attached drawing.
It is provided by Fig. 1-3, the utility model includes syringe 1, piston core pin 2 and steel needle 3, the piston end 2a of piston core pin 2
Syringe inner cavity is protruded into from the oral area of 1 rear end of syringe, and steel needle 3 is mounted in the front end of syringe 1, the inlet of steel needle 3 and piston core pin
Syringe inner cavity between piston end constitutes suction type sliding stroke chamber 1a, and piston core pin is slided forwards, backwards along syringe inner cavity length, structure
At compression injection structure, it is provided with the sliding sleeve 7 being connected with 1 front end of syringe on the outside of steel needle 3, is set on steel needle 3 along its length
That slides forwards, backwards is slidingly sealed column 4, is provided with and is slidingly sealed the storage needle that column 4 is fixed together between sliding sleeve 7 and steel needle 3
Sliding sleeve 7 is stretched out in set 10, the front end of storage needle guard 10, is connected on 4 front end face of sealing column and is fixed together with storage 10 front end of needle guard
And stretch out the casing 5 of storage needle guard front end, steel needle 3 protrudes into storage 10 inner cavity of needle guard, after sealing column 4 to preceding protruding into 5 inner cavity of casing,
It stretches out on storage 10 outer wall of needle guard of 7 front end portion of sliding sleeve and is provided with the locating cover 6 extended radially, store up and set on 10 outer wall of needle guard
It is equipped with elastic slice 8, location hole 9 corresponding with elastic slice 8 is provided on the outer wall of sliding sleeve 7, sliding sleeve is slid back and forth, works as sliding sleeve
When 7 front ends are in contact with 6 rear end of locating cover, steel needle 3 stretches out the front end of casing 5, when elastic slice 8 is installed in location hole 9, steel needle
3 front end is in the casing between sealing column 4 and locating cover 6.
To guarantee using effect, the front end of the casing 5 is in shrink mouth shape.
The rear end of the piston core pin 2 is provided with handle 2b.
Scale is provided on the syringe 1.
The steel needle 3 is separated with 5 phase of casing, and steel needle 3 is separated with storage 10 phase of needle guard.
The section of the sliding sleeve 7, storage needle guard 10 and casing 5 is circular ring shape, and storage needle guard 10 is placed in sliding sleeve 7
Side, casing 5 are placed in 10 inside of storage needle guard.
The internal perisporium in the outside for being slidingly sealed column 4 and storage needle guard 10 is tightly connected.
The front end face of the locating cover 6 is flushed with the front end face of storage needle guard 10.
The locating cover 6 is connected through a screw thread with storage needle guard 10.
The elastic slice 8 is triangle or column elastic slice, can carry out control bullet by the elasticity of elastic slice itself, can also add
Spring is compressed between sliding sleeve 7 and storage needle guard 10, when elastic slice slides into position of positioning hole, at itself when elastic slice does not pop up
It is protruding under elastic force or spring force effect, it is stuck in positioning hole, slide both sliding sleeve 7 and storage needle guard 10 can not relatively
It is dynamic, at this time in casing of the front end of steel needle 3 between sealing column 4 and locating cover 6, the injection of stable safety can be carried out.
When the utility model is used, piston core pin is pushed, the length of suction type sliding stroke chamber is compressed, by the feed liquor of steel needle
Drug, outside pull piston core pin are protruded into end, and suction type sliding stroke cavity length is gradually increased, and under the action of negative pressure, draw medicine
Object fills suction type sliding stroke chamber, and operator's right hand pen-holding type holds syringe 1, at this time 7 front end of sliding sleeve and 6 rear end phase of locating cover
Contact, steel needle 3 stretch out the front end of casing 5, make an accurate selection of position straight thrust site of puncture, after inserting needle, stretch out storage 10 front end portion of needle guard
Casing enters human body, and the outer diameter for storing up needle guard is greater than the outer diameter of casing, under the front end blocking for storing up needle guard, stops entering, left hand is pinned
Locating cover 6 is allowed to be close to skin, and the right hand is held syringe 1 and pulled out outward, syringe drive steel needle 3 and sliding sleeve 7 relative to storage needle guard 10 to
After slide, until storage 10 outer wall of needle guard on elastic slice 8 be installed in the location hole 9 on 7 side wall of sliding sleeve, at this time before steel needle 3
It holds in the casing between sealing column 4 and locating cover 6, i.e., steel needle is detached from body scale, and casing remains in infant body, right
Medical fluid is pushed into infant body by hand by casing, is slidingly sealed column and is played the role of being slidingly sealed, prevents Drug leakage, is led to
It crosses this mode to be injected, solves the problems, such as to carry out intramuscular injection, while steel needle after injection to baby, children in clinical position
Needle point is in the protection of casing, and casing can be used the polyurethane material of commercially available venous detaining needle and be made, in this way due to staying
Setting part is hose, even if infant is movable, the problem of needle point scratches muscle will not occurs, effectively prevent the hair that needle is stabbed
It is raw, it is fixed after inserting needle by locating cover, prevents from shaking, then driven steel needle to be detached from human body by sliding sleeve and injected, it is anti-in this way
Medical staff is stopped or family members, patient is wounded by stabbing, securely and reliably, easy to use, effect is good, is the innovation on syringe, has good
Good social and economic benefit.
Claims (9)
1. a kind of disposable children's safe injection needle, including syringe (1), piston core pin (2) and steel needle (3), piston core pin (2)
Piston end (2a) protrude into syringe inner cavity from the oral area of syringe (1) rear end, steel needle (3) is mounted in the front end of syringe (1), steel needle (3)
Inlet and piston core pin piston end between syringe inner cavity constitute suction type sliding stroke chamber (1a), piston core pin is along needle
Tube inner chamber length is slided forwards, backwards, constitutes compression injection structure, which is characterized in that be provided on the outside of steel needle (3) with before syringe (1)
The connected sliding sleeve (7) in end is set on steel needle (3) and is slidingly sealed column (4) along what its length was slided forwards, backwards, sliding sleeve (7) with
The storage needle guard (10) that column (4) is fixed together is provided with and is slidingly sealed between steel needle (3), and the front end of storage needle guard (10), which is stretched out, to be slided
Dynamic set (7) is slidingly sealed on column (4) front end face to be connected with to be fixed together and stretch out with storage needle guard (10) front end and stores up needle guard front end
Casing (5), steel needle (3) protrude into storage needle guard (10) inner cavity, across be slidingly sealed column (4) it is backward before protrude into casing (5) inner cavity, stretch
The locating cover (6) extended radially is provided on storage needle guard (10) outer wall of sliding sleeve (7) front end portion out, storage needle guard (10) is outside
It is provided on wall elastic slice (8), location hole (9) corresponding with elastic slice (8) is provided on the outer wall of sliding sleeve (7), is slid back and forth
Sliding sleeve, when sliding sleeve (7) front end is in contact with locating cover (6) rear end, steel needle (3) stretches out the front end of casing (5), works as elastic slice
(8) be installed on location hole (9) it is interior when, the front end of steel needle (3), which is located at, to be slidingly sealed in the casing between column (4) and locating cover (6).
2. disposable children's safe injection needle according to claim 1, which is characterized in that before the casing (5)
End is in shrink mouth shape.
3. disposable children's safe injection needle according to claim 1, which is characterized in that the piston core pin (2)
Rear end be provided with handle (2b).
4. disposable children's safe injection needle according to claim 1, which is characterized in that set on the syringe (1)
It is equipped with scale.
5. disposable children's safe injection needle according to claim 1, which is characterized in that the steel needle (3) and set
Pipe (5) mutually separates, and steel needle (3) is mutually separated with storage needle guard (10).
6. disposable children's safe injection needle according to claim 1, which is characterized in that the sliding sleeve (7), storage
The section of needle guard (10) and casing (5) is circular ring shape, and storage needle guard (10) is placed on the inside of sliding sleeve (7), and casing (5) is placed in storage needle
It covers on the inside of (10).
7. disposable children's safe injection needle according to claim 6, which is characterized in that described is slidingly sealed column
(4) internal perisporium in outside and storage needle guard (10) is tightly connected.
8. disposable children's safe injection needle according to claim 1, which is characterized in that the locating cover (6)
Front end face is flushed with the front end face of storage needle guard (10).
9. disposable children's safe injection needle according to claim 1, which is characterized in that the locating cover (6) with
Storage needle guard (10) is connected through a screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721266787.1U CN208448325U (en) | 2017-09-29 | 2017-09-29 | A kind of disposable children's safe injection needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721266787.1U CN208448325U (en) | 2017-09-29 | 2017-09-29 | A kind of disposable children's safe injection needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208448325U true CN208448325U (en) | 2019-02-01 |
Family
ID=65140721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721266787.1U Expired - Fee Related CN208448325U (en) | 2017-09-29 | 2017-09-29 | A kind of disposable children's safe injection needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208448325U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107497018A (en) * | 2017-09-29 | 2017-12-22 | 郑州大学第附属医院 | Disposable children's safe injection needle |
| CN112972829A (en) * | 2021-02-24 | 2021-06-18 | 周欢欢 | Medical clinical syringe is with using syringe needle |
-
2017
- 2017-09-29 CN CN201721266787.1U patent/CN208448325U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107497018A (en) * | 2017-09-29 | 2017-12-22 | 郑州大学第附属医院 | Disposable children's safe injection needle |
| CN107497018B (en) * | 2017-09-29 | 2019-12-24 | 郑州大学第一附属医院 | Disposable safety injection needle for children |
| CN112972829A (en) * | 2021-02-24 | 2021-06-18 | 周欢欢 | Medical clinical syringe is with using syringe needle |
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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: 20190201 Termination date: 20190929 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |