CN203436635U - Self-destroying type disposable injection medicine core of painless intradermal injection instrument - Google Patents
Self-destroying type disposable injection medicine core of painless intradermal injection instrument Download PDFInfo
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- CN203436635U CN203436635U CN201320568131.0U CN201320568131U CN203436635U CN 203436635 U CN203436635 U CN 203436635U CN 201320568131 U CN201320568131 U CN 201320568131U CN 203436635 U CN203436635 U CN 203436635U
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- China
- Prior art keywords
- injection
- medicated core
- self
- push
- injector head
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- Expired - Lifetime
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- 238000002347 injection Methods 0.000 title claims abstract description 72
- 239000007924 injection Substances 0.000 title claims abstract description 72
- 239000003814 drug Substances 0.000 title abstract description 11
- 239000002775 capsule Substances 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 4
- 150000002148 esters Chemical class 0.000 claims description 4
- 150000004676 glycans Chemical class 0.000 claims description 4
- 229920001282 polysaccharide Polymers 0.000 claims description 4
- 239000005017 polysaccharide Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 18
- 229940079593 drug Drugs 0.000 abstract description 4
- 210000003205 muscle Anatomy 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 4
- 238000007918 intramuscular administration Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229960005486 vaccine Drugs 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to a self-destroying type disposable injection medicine core of a painless intradermal injection instrument. The self-destroying type disposable injection medicine core is composed of an injection nozzle component (1), a medicine core bag (2) and a push rod component (3), the injection nozzle component (1) is fixedly connected to the medicine core bag (2), the push rod component (3) is composed of an ejection rod (5), a supporting rod (6), an O-shaped ring (7) and a boosting injector head (8), and the boosting injector head (8) is provided with a stop dog (9) which is movably connected with the boosting injector head (8). When the stop dog and the boosting injector head are disconnected, the stop dog stays in a conical inner cavity, and the purpose of avoiding secondary use is achieved; the structure design facilitates alternating use of different liquid medicines, and liquid medicines can be injected into muscles.
Description
Technical field
This utility model relates to the consumptive material of needleless injector, refers more particularly to a kind of medicated core that is applicable to the self-destructed disposable injection of Painless Muscle Injection instrument.
Background technology
At present, pistol type needleless injector is used in human injection, the advantage of Needleless injection has been to eliminate the fear of the person of being injected to syringe needle, eliminated pain, can save half vaccine consumption, the multiple injection system of good absorption: Intradermal, subcutaneous, intramuscular, simultaneously easily, also can produce other problem, after completing disposable injection, need to carry out disinfection to each position of syringe, especially contact the injection head of human body or animal body, inconvenient medical personnel carry out the not injection of medicinal liquid of the same race, continuously with in different medicinal liquid processes, if some hospital or mechanism utilize injection showerhead to carry out secondary use again, cause alternately and infect, be unfavorable for health, in addition, the medicinal liquid of smaller dose adopts traditional injection showerhead accurately to inject and to regulate, produce have disposable, can prevent what secondary from utilizing, and the medicated core that can very accurately regulate liquid dose becomes the problem that we need urgent solution.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of secondary utilization, low dose of self-destructed disposable injection medicated core that also can accurately be expelled to muscle of scalable of preventing.
In order to solve the problems of the technologies described above, this utility model provides the self-destructed disposable injection medicated core of painless intradermal injection instrument, and it is comprised of injection nozzle assembly, medicated core capsule and push-rod assembly.
Described injection nozzle assembly is fixedly connected on medicated core capsule, described push-rod assembly is by push rod, support bar, O type circle and boosting injector head, described boosting injector head is provided with retainer, retainer and the boosting injector head state that is movably connected, described retainer is tapered needle shape, and described conical cavity can hold retainer.
In medicated core capsule, be set to cavity lane, the diameter of described cavity lane is consistent with the diameter of O type circle in push-rod assembly, and push-rod assembly and medicated core capsule are suitable;
Described injection nozzle assembly is comprised of annular groove and micro-conical shell, the height of the annular groove degree of depth and micro-conical shell is consistent, in described micro-conical shell, be provided with the conical cavity suitable with retainer, the cone end of conical cavity is injection orifice, described cavity lane extended spot is connected with conical cavity, and the aperture of described injection orifice is 0.1-0.2 millimeter.
Described O type circle is arranged between support bar and boosting injector head, and described support bar is consistent with the length of boosting injector head and the length of cavity lane.
The medicated core length that injection nozzle assembly, medicated core capsule and push-rod assembly combine is 3-5cm, and described injection nozzle assembly, medicated core capsule and push-rod assembly are made by polysaccharide acid esters material.
Compared with prior art, the utlity model has following advantage.
Described boosting injector head is provided with retainer, described retainer is tapered needle shape, in described micro-conical shell, be provided with the conical cavity suitable with retainer, described conical cavity can hold retainer, push-rod assembly and medicated core capsule are suitable, when medicated core is installed on pistol type syringe, conical cavity internal adsorption has low dose of medicinal liquid, pull rob plate under pressure the thrust unit on syringe push-rod assembly is pushed in conical cavity to nozzle assembly fast, medicinal liquid is penetrated by injection orifice, retainer on push-rod assembly and boosting injector head are movably connected, after injection, stretching push-rod assembly, retainer and boosting injector head disconnect, retainer rests in conical cavity, thereby reach, prevent secondary application target, the design of this structure facilitates between different medicinal liquids and is used alternatingly.
The medicinal liquid holding in conical cavity is limited, and the aperture of injection orifice is 0.1-0.2 millimeter, thereby effectively controls the dosage of medicinal liquid, and adjustable dosage is 0.1-1.0ml or 0.02-0.3ml.
Described injection nozzle assembly is comprised of annular groove and micro-conical shell, the height of the annular groove degree of depth and micro-conical shell is consistent, annular groove and micro-conical shell keeping parallelism, the distance of the face contacting with patient is just nearer, when injection orifice liquid medicine injection, under gas pressure, the medicinal liquid of injection distance is just in time injected at patient's intramuscular, thereby can be expelled to accurately required position.
Described injection nozzle assembly, medicated core capsule and push-rod assembly are made by polysaccharide acid esters material, and the medicated core that this material is made is compared with PP material, and material is harder, easily takes out medicine, and pull is convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model medicated core.
Fig. 2 is the front view of this utility model medicated core.
Fig. 3 is the axonometric chart of this utility model medicated core.
The specific embodiment
Below in conjunction with drawings and Examples, this utility model is further illustrated.
As Figure 1-3, the self-destructed disposable of painless intradermal injection instrument injection medicated core, it is comprised of injection nozzle assembly 1, medicated core capsule 2 and push-rod assembly 3; Described injection nozzle assembly 1 is fixedly connected on medicated core capsule 2;
Described push-rod assembly 3 is by push rod 5, support bar 6, O type circle 7 and boosting injector head 8, described boosting injector head 8 is provided with retainer 9, described retainer 9 is tapered needle shape, described conical cavity 11 can hold retainer 9, retainer 9 and boosting injector head 8 state that is movably connected, described O type circle 7 is arranged between support bar 6 and boosting injector head 8, the length of described support bar 6 and boosting injector head 8 is consistent with the length of cavity lane 4, in medicated core capsule 2, be set to cavity lane 4, the diameter of described cavity lane 4 is consistent with the diameter of O type circle 7 in push-rod assembly 3, push-rod assembly 3 is suitable with medicated core capsule 2,
Described injection nozzle assembly 1 is comprised of annular groove 13 and micro-conical shell 10, the height of annular groove 13 degree of depth and micro-conical shell 10 is consistent, in described micro-conical shell 10, be provided with the conical cavity 11 suitable with retainer 9, the cone end of conical cavity 11 is injection orifice 12, the aperture of described injection orifice 12 is 0.1-0.2 millimeter, and described cavity lane 4 extended spots are connected with conical cavity 11.
Described injection nozzle assembly 1, medicated core capsule 2 and push-rod assembly 3 are made by polysaccharide acid esters material.
The medicated core length that injection nozzle assembly 1, medicated core capsule 2 and push-rod assembly 3 combine is 3-5cm.
First, push-rod assembly 3 is arranged in medicated core capsule 2, injection nozzle assembly 1 gos deep in medicinal liquid bottle by plug bottle device, grasp push rod 5, pull support bar 6, O type circle 7 and boosting injector head 8 are outside, O type circle intercepts air and enters, medicinal liquid is along with injection orifice 12 enters in conical cavity 11, dosage control 0.1-1.0ml or 0.02-0.3ml among a small circle in, stop pull, medicated core is installed on pistol type syringe again, the logical upper pneumatic shuttle of syringe, pull gunwale, air pressure pushes push rod to injection nozzle assembly 1, retainer 9 on boosting injector head 8 inserts rapidly in conical cavity 11, retainer 9 is pushed into injection orifice 12 by medicinal liquid, injection orifice 12 attaches patient skin, distance of injection is near, injecting liquid drug is arrived to intramuscular, after injection, the push rod 5 of pulling back, because retainer 9 is to be flexibly connected with boosting injector head 8, firmly retainer 9 can be disconnected, conical cavity 11 shapes are identical with the shape of retainer 9, retainer 9 rests in conical cavity 11, user cannot be proceeded injection, thereby prevent that secondary from being used, arrive type self-destroyed object, if use the injecting liquid drug of other kinds, again change medicated core.
Foregoing is example of the present utility model and explanation; but do not mean that the obtainable advantage of this utility model is so limited, may be to wherein one or more of the advantage realizing in the simple transformation of structure and/or some embodiments all in the application's protection domain in every this utility model practice process.
Claims (6)
1. the self-destructed disposable of painless intradermal injection instrument injection medicated core, is characterized in that: it is comprised of injection nozzle assembly (1), medicated core capsule (2) and push-rod assembly (3);
Described injection nozzle assembly (1) is fixedly connected on medicated core capsule (2), described push-rod assembly (3) is by push rod (5), support bar (6), O type circle (7) and boosting injector head (8), described boosting injector head (8) is provided with retainer (9), retainer (9) and boosting injector head (8) state that is movably connected;
In medicated core capsule (2), be set to cavity lane (4), the diameter of described cavity lane (4) is consistent with the diameter of O type circle (7) in push-rod assembly (3), and push-rod assembly (3) is suitable with medicated core capsule (2);
Described injection nozzle assembly (1) is comprised of annular groove (13) and micro-conical shell (10), the height of annular groove (13) degree of depth and micro-conical shell (10) is consistent, in described micro-conical shell (10), be provided with the conical cavity (11) suitable with retainer (9), the cone end of conical cavity (11) is injection orifice (12), and described cavity lane (4) extended spot is connected with conical cavity (11).
2. the self-destructed disposable of painless intradermal injection instrument according to claim 1 injection medicated core, is characterized in that: the aperture of described injection orifice (12) is 0.1-0.2 millimeter.
3. the self-destructed disposable of painless intradermal injection instrument according to claim 1 injection medicated core, is characterized in that: described retainer (9) is tapered needle shape, and described conical cavity (11) can hold retainer (9).
4. the self-destructed disposable of painless intradermal injection instrument according to claim 1 injection medicated core, is characterized in that: described injection nozzle assembly (1), medicated core capsule (2) and push-rod assembly (3) are made by polysaccharide acid esters material.
5. the self-destructed disposable of painless intradermal injection instrument according to claim 1 is injected medicated core, it is characterized in that: described O type circle (7) is arranged between support bar (6) and boosting injector head (8), the length of described support bar (6) and boosting injector head (8) is consistent with the length of cavity lane (4).
6. the self-destructed disposable of painless intradermal injection instrument according to claim 1 injection medicated core, is characterized in that: the medicated core length that injection nozzle assembly (1), medicated core capsule (2) and push-rod assembly (3) combine is 3-5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320568131.0U CN203436635U (en) | 2013-09-13 | 2013-09-13 | Self-destroying type disposable injection medicine core of painless intradermal injection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320568131.0U CN203436635U (en) | 2013-09-13 | 2013-09-13 | Self-destroying type disposable injection medicine core of painless intradermal injection instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203436635U true CN203436635U (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320568131.0U Expired - Lifetime CN203436635U (en) | 2013-09-13 | 2013-09-13 | Self-destroying type disposable injection medicine core of painless intradermal injection instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203436635U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103432655A (en) * | 2013-09-13 | 2013-12-11 | 江苏丞宇米特医疗科技有限公司 | Self-destructive type disposable injection drug core of painless subcutaneous injection instrument |
-
2013
- 2013-09-13 CN CN201320568131.0U patent/CN203436635U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103432655A (en) * | 2013-09-13 | 2013-12-11 | 江苏丞宇米特医疗科技有限公司 | Self-destructive type disposable injection drug core of painless subcutaneous injection instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140219 |
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| CX01 | Expiry of patent term |