CN203736629U - Medical syringe - Google Patents
Medical syringe Download PDFInfo
- Publication number
- CN203736629U CN203736629U CN201420105316.2U CN201420105316U CN203736629U CN 203736629 U CN203736629 U CN 203736629U CN 201420105316 U CN201420105316 U CN 201420105316U CN 203736629 U CN203736629 U CN 203736629U
- Authority
- CN
- China
- Prior art keywords
- inner barrel
- syringe needle
- outer cylinder
- cylinder body
- injection
- 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 discloses a medical syringe, comprising an outer tube, an inner tube, an elastic inner tube, a fixing seat, a needle, a needle connecting seat, a needle connecting head, an injection locating head, an injection hole, an extendible spring, a limit block, a push rod, a piston, a pressing plate, a liquid injection tube, a seal plug and a bolt, wherein the inner tube is arranged in the outer tube, the elastic inner tube is arranged at the front end of the inner tube, the injection locating head is arranged at the front end of the outer tube, the injection hole is formed in the front end of the injection locating head, the fixing seat is arranged in the inner tube, the needle is communicated with the needle connecting head and is mounted on the needle connecting seat together with the needle connecting head, the elastic inner tube is connected with the needle connecting seat, the bolt is inserted into the outer tube and the needle connecting seat, the extendible spring is connected with the needle connecting seat and the fixing seat, the limit block is arranged in the outer tube, the push rod is connected with the piston and the pressing plate, the liquid injection tube is communicated with the inner tube, and the seal plug is arranged in the liquid injection tube. By using the medical syringe, the needle can be rapidly pushed into muscle, the discomfort of patients and the workload of medical staffs can be reduced, and the needle body is kept stable when the medicine is injecting.
Description
Technical field
This utility model relates to a kind of medical instruments, relates in particular to a kind of syringe tube.
Background technology
Intramuscular injection is sanatory a kind of mode, liquid pharmaceutical can be directly injected into human body by intramuscular injection.The syringe of prior art, some separates syringe needle and syringe, needs first to install syringe needle before injection, may damage medical worker; Also some syringe and syringe needle are one, medical worker in having an injection need first insert in one or more medicinal liquids and draw medicinal liquid with syringe needle, more repeatedly plug process in may wear and tear, bending syringe needle, increased the misery of having an injection to patient; Syringe needle is inserting muscle in a flash, and medical worker firmly size is different with speed, and the pain of patient's impression is all different, and while inserting syringe needle and injection medicament, the movement of hand position also may cause rocking of needle body, brings discomfort to patient.
Utility model content
The purpose of this utility model: a kind of syringe tube is provided, is applicable to medical worker's injection medicament, reduce patient's pain.
To achieve these goals, the technical solution of the utility model is:
A kind of syringe tube, comprises outer cylinder body, inner barrel, elasticity inner barrel, holder, syringe needle, syringe needle Connection Block, syringe needle union joint, injection positioning head, injection orifice, a pair of stretching, extension spring, a pair of limited block, push rod, piston, pressing plate, liquid injection pipe, sealing-plug and latch; Described inner barrel is fixedly installed in described outer cylinder body, described elasticity inner barrel is arranged on the front end of described inner barrel, be positioned at described outer cylinder body, described elasticity inner barrel and described inner barrel are integrative-structures, and described outer cylinder body, inner barrel and elasticity inner barrel coaxially arrange; Described injection positioning head is that semicircle is spherical, described injection positioning head is coaxially arranged on the front end of described outer cylinder body, described injection positioning head and described outer cylinder body are integrative-structures, and the front end mediad arc of described injection positioning head is recessed to form described injection orifice; Described holder is arranged on the middle part of described inner barrel, and described holder is fixedly connected with described outer cylinder body and inner barrel respectively; One end of described syringe needle is fixedly connected on the central authorities of described syringe needle union joint, described syringe needle is positioned at described inner barrel, described syringe needle union joint is fixedly mounted on described syringe needle Connection Block, the front end of described elasticity inner barrel is connected with described syringe needle Connection Block back-end sealing, the inner wall sealing of the edge of described syringe needle Connection Block and described outer cylinder body and being slidably connected; Described latch is inserted in described outer cylinder body and syringe needle Connection Block, and described syringe needle Connection Block is flexibly connected with described outer cylinder body by described latch; The two ends of described a pair of stretching, extension spring are connected with described syringe needle Connection Block and holder respectively, and described stretching, extension spring lays respectively between described outer cylinder body and inner barrel; Described a pair of limited block is arranged on the front end medial wall of described outer cylinder body, the two ends of described push rod connect respectively described piston and pressing plate, the inner wall sealing of described piston and described inner barrel is slidably connected, described pressing plate is positioned at the rear of described inner barrel, one end of described liquid injection pipe is communicated with described inner barrel, is provided with described sealing-plug in the other end of described liquid injection pipe.
Above-mentioned syringe tube, wherein, covers thin film layer on described injection orifice, described thin layer is positioned at the dead ahead of described syringe needle.
Above-mentioned syringe tube, wherein, is provided with absorbent cotton in described outer cylinder body, and described absorbent cotton is attached on the front end face of described syringe needle Connection Block.
Above-mentioned syringe tube, wherein, described inner barrel and elasticity inner barrel are provided with graduation mark.
This utility model can push syringe needle rapidly in muscle automatically by the elastic force of spring, reduces patient's the working strength that does not accommodate medical worker, keeps the steady of needle body in the process of injection medicament, avoids doctor-patient dispute.
Brief description of the drawings
Fig. 1 is the cutaway view of this utility model syringe tube.
Fig. 2 is the side view of the injection positioning head of this utility model syringe tube.
Detailed description of the invention
Further illustrate embodiment of the present utility model below in conjunction with accompanying drawing.
Refer to shown in accompanying drawing 1 and accompanying drawing 2, a kind of syringe tube, comprises outer cylinder body 1, inner barrel 2, elasticity inner barrel 3, holder 4, syringe needle 5, syringe needle Connection Block 6, syringe needle union joint 7, injection positioning head 8, injection orifice 9, a pair of stretching, extension spring 10, a pair of limited block 11, push rod 12, piston 13, pressing plate 14, liquid injection pipe 15, sealing-plug 16 and latch 17, described inner barrel 2 is fixedly installed in described outer cylinder body 1, described elasticity inner barrel 3 is arranged on the front end of described inner barrel 2, be positioned at described outer cylinder body 1, described elasticity inner barrel 3 is integrative-structures with described inner barrel 2, and described outer cylinder body 1, inner barrel 2 and elasticity inner barrel 3 coaxially arrange, described injection positioning head 8 is that semicircle is spherical, described injection positioning head 8 is coaxially arranged on the front end of described outer cylinder body 1, described injection positioning head 8 is integrative-structure with described outer cylinder body 1, the front end mediad arc of described injection positioning head 8 is recessed to form described injection orifice 9, can farthest the fit profile of health of the injection orifice 9 of indent, be convenient to the balance that medical worker keeps syringe, reduce needle body and rock the pain of bringing to patient, described holder 4 is arranged on the middle part of described inner barrel 1, and described holder 4 is fixedly connected with described outer cylinder body 1 and inner barrel 2 respectively, and holder 4 is for fixing inner barrel 2, one end of described syringe needle 5 is fixedly connected on the central authorities of described syringe needle union joint 7, described syringe needle 5 is positioned at described inner barrel 1, described syringe needle union joint 7 is fixedly mounted on described syringe needle Connection Block 6, the front end of described elasticity inner barrel 3 is connected with described syringe needle Connection Block 6 back-end sealings, the inner wall sealing of the edge of described syringe needle Connection Block 6 and described outer cylinder body 1 and being slidably connected, described latch 17 is inserted in described outer cylinder body 1 and syringe needle Connection Block 6, and described syringe needle Connection Block 6 is flexibly connected with described outer cylinder body 1 by described latch 17, the two ends of described a pair of stretching, extension spring 10 are connected with described syringe needle Connection Block 6 and holder 4 respectively, described stretching, extension spring 10 lays respectively between described outer cylinder body 1 and inner barrel 2, while use, stretch spring 10 in compressive state, latch 17 is fixed the position of syringe needle Connection Block 6, prevent that syringe needle Connection Block 6 is owing to stretching the elastic force reach of spring 10, when injection, latch 17 is extracted, syringe needle Connection Block 6 moves forward rapidly by the thrust that stretches spring 10, promote syringe needle 5 and penetrate rapidly forward intramuscular, the speed of thrusting of syringe needle 5 is fast, and pain is few, described a pair of limited block 11 is arranged on the front end medial wall of described outer cylinder body 1, for limiting the reach extreme position of syringe needle Connection Block 6, the two ends of described push rod 12 connect respectively described piston 13 and pressing plate 14, described piston 13 is slidably connected with the inner wall sealing of described inner barrel 2, described pressing plate 14 is positioned at the rear of described inner barrel 2, one end of described liquid injection pipe 15 is communicated with described inner barrel 2, in the other end of described liquid injection pipe 15, be provided with described sealing-plug 16, medicament can inject in inner barrel 2 and elasticity inner barrel 3 by liquid injection pipe 15, clean hygiene, and syringe needle can not wear and tear or bending because repeatedly plugging.
On described injection orifice 9, cover thin film layer 18, described thin layer 18 is positioned at the dead ahead of described syringe needle 5, can play effect dustproof, waterproof, clean hygiene, and syringe needle 5 punctures thin layer 18 while advancing can thrust skin.
In described outer cylinder body 1, be provided with absorbent cotton 19, described absorbent cotton 19 is attached on the front end face of described syringe needle Connection Block 6, and the unnecessary medicament of extruding when absorbing air-out, prevents that liquid medicine is excessive.
Described inner barrel 2 and elasticity inner barrel 3 are provided with graduation mark, can be used for the amount of accurate medicament.
In sum, this utility model can push syringe needle rapidly in muscle automatically by the elastic force of spring, reduces patient's the working strength that does not accommodate medical worker, keeps the steady of needle body in the process of injection medicament, avoids doctor-patient dispute.
Claims (4)
1. a syringe tube, is characterized in that: comprise outer cylinder body, inner barrel, elasticity inner barrel, holder, syringe needle, syringe needle Connection Block, syringe needle union joint, injection positioning head, injection orifice, a pair of stretching, extension spring, a pair of limited block, push rod, piston, pressing plate, liquid injection pipe, sealing-plug and latch; Described inner barrel is fixedly installed in described outer cylinder body, described elasticity inner barrel is arranged on the front end of described inner barrel, be positioned at described outer cylinder body, described elasticity inner barrel and described inner barrel are integrative-structures, and described outer cylinder body, inner barrel and elasticity inner barrel coaxially arrange; Described injection positioning head is that semicircle is spherical, described injection positioning head is coaxially arranged on the front end of described outer cylinder body, described injection positioning head and described outer cylinder body are integrative-structures, and the front end mediad arc of described injection positioning head is recessed to form described injection orifice; Described holder is arranged on the middle part of described inner barrel, and described holder is fixedly connected with described outer cylinder body and inner barrel respectively; One end of described syringe needle is fixedly connected on the central authorities of described syringe needle union joint, described syringe needle is positioned at described inner barrel, described syringe needle union joint is fixedly mounted on described syringe needle Connection Block, the front end of described elasticity inner barrel is connected with described syringe needle Connection Block back-end sealing, the inner wall sealing of the edge of described syringe needle Connection Block and described outer cylinder body and being slidably connected; Described latch is inserted in described outer cylinder body and syringe needle Connection Block, and described syringe needle Connection Block is flexibly connected with described outer cylinder body by described latch; The two ends of described a pair of stretching, extension spring are connected with described syringe needle Connection Block and holder respectively, and described stretching, extension spring lays respectively between described outer cylinder body and inner barrel; Described a pair of limited block is arranged on the front end medial wall of described outer cylinder body, the two ends of described push rod connect respectively described piston and pressing plate, the inner wall sealing of described piston and described inner barrel is slidably connected, described pressing plate is positioned at the rear of described inner barrel, one end of described liquid injection pipe is communicated with described inner barrel, is provided with described sealing-plug in the other end of described liquid injection pipe.
2. syringe tube according to claim 1, is characterized in that: on described injection orifice, cover thin film layer, described thin layer is positioned at the dead ahead of described syringe needle.
3. syringe tube according to claim 1, is characterized in that: in described outer cylinder body, be provided with absorbent cotton, described absorbent cotton is attached on the front end face of described syringe needle Connection Block.
4. syringe tube according to claim 1, is characterized in that: described inner barrel and elasticity inner barrel are provided with graduation mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420105316.2U CN203736629U (en) | 2014-03-10 | 2014-03-10 | Medical syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420105316.2U CN203736629U (en) | 2014-03-10 | 2014-03-10 | Medical syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203736629U true CN203736629U (en) | 2014-07-30 |
Family
ID=51336499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420105316.2U Expired - Fee Related CN203736629U (en) | 2014-03-10 | 2014-03-10 | Medical syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203736629U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109381226A (en) * | 2018-07-30 | 2019-02-26 | 郑州大学第附属医院 | Blood internal medicine bone marrow aspiration draw-out device |
| CN110394933A (en) * | 2019-07-17 | 2019-11-01 | 中国科学院金属研究所 | It is a kind of for be centrifuged film film forming liquid injection device |
| CN112089927A (en) * | 2020-10-10 | 2020-12-18 | 高孟中 | Intramuscular injector capable of accurately positioning and controlling injection depth |
-
2014
- 2014-03-10 CN CN201420105316.2U patent/CN203736629U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109381226A (en) * | 2018-07-30 | 2019-02-26 | 郑州大学第附属医院 | Blood internal medicine bone marrow aspiration draw-out device |
| CN109381226B (en) * | 2018-07-30 | 2021-01-26 | 郑州大学第一附属医院 | Bone marrow puncture and extraction device for hematology department |
| CN110394933A (en) * | 2019-07-17 | 2019-11-01 | 中国科学院金属研究所 | It is a kind of for be centrifuged film film forming liquid injection device |
| CN112089927A (en) * | 2020-10-10 | 2020-12-18 | 高孟中 | Intramuscular injector capable of accurately positioning and controlling injection depth |
| CN112089927B (en) * | 2020-10-10 | 2022-04-22 | 鹰潭荣嘉集团医疗器械实业有限公司 | Intramuscular injector capable of accurately positioning and controlling injection depth |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20150310 |
|
| EXPY | Termination of patent right or utility model |