CN103446645A - Self-destruction type disposable injection medicine core - Google Patents
Self-destruction type disposable injection medicine core Download PDFInfo
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- CN103446645A CN103446645A CN201310416876XA CN201310416876A CN103446645A CN 103446645 A CN103446645 A CN 103446645A CN 201310416876X A CN201310416876X A CN 201310416876XA CN 201310416876 A CN201310416876 A CN 201310416876A CN 103446645 A CN103446645 A CN 103446645A
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- medicated core
- injection
- cone
- push rod
- injector head
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Abstract
The invention relates to a self-destruction type disposable injection medicine core, which includes an injection nozzle (1), a medicine core bag (2) and a push rod (3), wherein a boosting injector head (4) is arranged on the push rod (3); a stop dog (5) is arranged on the boosting injector head (4); a cavity passage (6) is arranged inside the medicine core bag (2); a micro-cone-shaped barrel (8) deviates inside an annular groove (7) and is concave; a cone-shaped cavity (9) matched with the stop dog (5) is arranged inside the micro-cone-shaped barrel (8); an injection hole (10) is formed in the cone end of the cone-shaped cavity (9). Through the adoption of the structure, the push rod assembly is stretched to disconnect the stop dog and the boosting injector head, and the stop dog stops in the cone-shaped cavity to realize the purpose of secondary use prevention; the structural design enables different medicine liquids to be used alternately, the injection distance is far from the skin, and medicine liquids can be injected to the skin.
Description
Technical field
The present invention relates to the consumptive material of needleless injector, refer more particularly to a kind of medicated core that is applicable to the self-destructed disposable injection of painless intradermal injection instrument.
Background technology
At present, the pistol type needleless injector is used in the 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 each position of syringe be carried out disinfection, 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 the 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.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of secondary utilization, low dose of self-destructed disposable injection medicated core that also can accurately be expelled to Intradermal of scalable of preventing.
In order to solve the problems of the technologies described above, the invention provides self-destructed disposable injection medicated core, it is comprised of injection nozzle, medicated core capsule and push rod; Described injection nozzle is fixedly connected on the medicated core capsule, and described push rod is provided with the boosting injector head, and described boosting injector head is provided with retainer, retainer and the boosting injector head state that is movably connected; Be set to cavity lane in the medicated core capsule, push-rod assembly and medicated core capsule are suitable; Described injection nozzle is comprised of annular groove and micro-conical shell, micro-conical shell departs from annular groove and is the spill state, be provided with the conical cavity suitable with retainer in described micro-conical shell, the cone end of conical cavity is injection orifice, the aperture of described injection orifice is the 0.1-0.2 millimeter, and described cavity lane extended spot is connected with conical cavity.
Described injection nozzle, medicated core capsule and push rod are made by polysaccharide acid esters material, and the medicated core length that injection nozzle assembly, medicated core capsule and push-rod assembly combine is 4-6cm.
Compared with prior art, the present invention has the following advantages.
Described injection nozzle is comprised of annular groove and micro-conical shell, micro-conical shell departs from annular groove and is the spill state, the distance of the face contacted with the patient is just far away, when the injection orifice liquid medicine injection, under gas pressure, the medicinal liquid distance of spraying just in time is injected at patient's Intradermal, thereby can be expelled to accurately required position.
Described boosting injector head is provided with retainer, described retainer is the tapered needle shape, be provided with the conical cavity suitable with retainer in described micro-conical shell, described conical cavity can hold retainer, push-rod assembly and medicated core capsule are suitable, when medicated core is installed on the pistol type syringe, the 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, the stretching push-rod assembly, retainer and boosting injector head disconnect, retainer rests in conical cavity, prevent the secondary application target thereby reach, the design of this structure facilitates between different medicinal liquids and is used alternatingly.
The medicinal liquid held in conical cavity is limited, and the aperture of injection orifice is the 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, 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 the PP material, and material is harder, easily takes out medicine, and pull is convenient.
The accompanying drawing explanation
The structural representation that Fig. 1 is medicated core of the present invention.
The perspective view that Fig. 2 is medicated core of the present invention.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
As depicted in figs. 1 and 2, self-destructed disposable injection medicated core, it is comprised of injection nozzle 1, medicated core capsule 2 and push rod 3; Described injection nozzle 1 is fixedly connected on medicated core capsule 2, and described push rod 3 is provided with boosting injector head 4, and described boosting injector head 4 is provided with retainer 5, retainer 5 and boosting injector head 4 state that is movably connected; Be set to cavity lane 6 in medicated core capsule 2, push-rod assembly 3 is suitable with medicated core capsule 2; Described injection nozzle 1 is comprised of annular groove 7 and micro-conical shell 8, micro-conical shell 8 departs from annular groove 7 and is the spill state, be provided with the conical cavity 9 suitable with retainer 5 in described micro-conical shell 8, the cone end of conical cavity 9 is injection orifice 10, the aperture of described injection orifice 10 is the 0.1-0.2 millimeter, and described cavity lane 6 extended spots are connected with conical cavity 9.
Described injection nozzle 1, medicated core capsule 2 and push rod 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 4-6cm.
At first, push rod 3 is arranged in medicated core capsule 2, injection nozzle 1 gos deep in medicinal liquid bottle by the plug bottle device, grasp push rod 3, push rod 3 is outside, also be provided with O type circle on push rod, O type circle can intercept air and enter, medicinal liquid is along with injection orifice 10 enters in conical cavity 9, dosage control 0.1-1.0ml or 0.02-0.3ml among a small circle in, stop pull, medicated core is installed on the pistol type syringe again, the logical upper pneumatic shuttle of syringe, pull gunwale, air pressure pushes push rod to injection nozzle 1, retainer 5 inserts rapidly in conical cavity 9, retainer 5 is pushed into injection orifice 10 by medicinal liquid, injection orifice 10 attaches patient skin, distance of injection departs from skin, injecting liquid drug is arrived to Intradermal, after injection, the push rod 3 of pulling back, because retainer 5 and boosting injector head 4 are to be flexibly connected, firmly retainer 5 can be disconnected, conical cavity 9 shapes are identical with the shape of retainer 5, retainer 5 rests in conical cavity 9, user can't be proceeded injection, thereby prevent that secondary from being used, arrive type self-destroyed purpose, again change medicated core if use the injecting liquid drug of other kinds.
Foregoing is example of the present invention and explanation; but do not mean that the obtainable advantage of the present invention is so limited, may be to wherein one or more of the advantage that realizes in the simple transformation of structure and/or some embodiments all in the application's protection domain in every practice process of the present invention.
Claims (3)
1. self-destructed disposable is injected medicated core, and it is characterized in that: it is comprised of injection nozzle (1), medicated core capsule (2) and push rod (3); Described injection nozzle (1) is fixedly connected on that medicated core capsule (2) is upper, and described push rod (3) is provided with boosting injector head (4), and described boosting injector head (4) is provided with retainer (5), retainer (5) and boosting injector head (4) state that is movably connected; Be set to cavity lane (6) in medicated core capsule (2), push-rod assembly (3) is suitable with medicated core capsule (2); Described injection nozzle (1) is comprised of annular groove (7) and micro-conical shell (8), micro-conical shell (8) departs from annular groove (7) and is the spill state, be provided with the conical cavity (9) suitable with retainer (5) in described micro-conical shell (8), the cone end of conical cavity (9) is injection orifice (10), the aperture of described injection orifice (10) is the 0.1-0.2 millimeter, and described cavity lane (6) extended spot is connected with conical cavity (9).
2. self-destructed disposable according to claim 1 is injected medicated core, and it is characterized in that: described injection nozzle (1), medicated core capsule (2) and push rod (3) are made by polysaccharide acid esters material.
3. self-destructed disposable according to claim 1 is injected medicated core, and it is characterized in that: the medicated core length that injection nozzle assembly (1), medicated core capsule (2) and push-rod assembly (3) combine is 4-6cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310416876XA CN103446645A (en) | 2013-09-13 | 2013-09-13 | Self-destruction type disposable injection medicine core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310416876XA CN103446645A (en) | 2013-09-13 | 2013-09-13 | Self-destruction type disposable injection medicine core |
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| Publication Number | Publication Date |
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| CN103446645A true CN103446645A (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310416876XA Pending CN103446645A (en) | 2013-09-13 | 2013-09-13 | Self-destruction type disposable injection medicine core |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105833393A (en) * | 2016-05-11 | 2016-08-10 | 内蒙古华希生物科技有限公司 | Needle-free injection rabies virus vaccine system and application |
| CN105854010A (en) * | 2016-05-11 | 2016-08-17 | 长春海基亚生物技术股份有限公司 | Hand-foot-mouth disease vaccine system for needleless injection and application |
| CN105903010A (en) * | 2016-05-11 | 2016-08-31 | 内蒙古华希生物科技有限公司 | Needleless injection foot-and-mouth disease vaccine system and application |
| CN105999259A (en) * | 2016-05-11 | 2016-10-12 | 长春海基亚生物技术股份有限公司 | Rabies vaccine needle-free injection system and application |
| CN105999257A (en) * | 2016-05-11 | 2016-10-12 | 长春海基亚生物技术股份有限公司 | Influenza vaccine needle-free injection system and application |
| CN105999253A (en) * | 2016-05-11 | 2016-10-12 | 内蒙古华希生物科技有限公司 | Brucellosis vaccine needle-free injection system and application |
| CN105999258A (en) * | 2016-05-11 | 2016-10-12 | 内蒙古华希生物科技有限公司 | Pig virus vaccine needle-free injection system and application |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4124024A (en) * | 1977-03-03 | 1978-11-07 | Schwebel Paul R | Disposable hypodermic injection ampule |
| US5836911A (en) * | 1996-02-01 | 1998-11-17 | Medi-Ject Corporation | Injection device having positioning means |
| US6004286A (en) * | 1996-03-19 | 1999-12-21 | Powderject Research Limited | Particle delivery |
| CN101873874A (en) * | 2007-11-26 | 2010-10-27 | 生物注射股份有限公司 | Needle-free injection device with nozzle auto-disable |
| CN203436633U (en) * | 2013-09-13 | 2014-02-19 | 江苏丞宇米特医疗科技有限公司 | Self-destructive type disposable injection medicine core |
-
2013
- 2013-09-13 CN CN201310416876XA patent/CN103446645A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4124024A (en) * | 1977-03-03 | 1978-11-07 | Schwebel Paul R | Disposable hypodermic injection ampule |
| US5836911A (en) * | 1996-02-01 | 1998-11-17 | Medi-Ject Corporation | Injection device having positioning means |
| US6004286A (en) * | 1996-03-19 | 1999-12-21 | Powderject Research Limited | Particle delivery |
| CN101873874A (en) * | 2007-11-26 | 2010-10-27 | 生物注射股份有限公司 | Needle-free injection device with nozzle auto-disable |
| CN203436633U (en) * | 2013-09-13 | 2014-02-19 | 江苏丞宇米特医疗科技有限公司 | Self-destructive type disposable injection medicine core |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105833393A (en) * | 2016-05-11 | 2016-08-10 | 内蒙古华希生物科技有限公司 | Needle-free injection rabies virus vaccine system and application |
| CN105854010A (en) * | 2016-05-11 | 2016-08-17 | 长春海基亚生物技术股份有限公司 | Hand-foot-mouth disease vaccine system for needleless injection and application |
| CN105903010A (en) * | 2016-05-11 | 2016-08-31 | 内蒙古华希生物科技有限公司 | Needleless injection foot-and-mouth disease vaccine system and application |
| CN105999259A (en) * | 2016-05-11 | 2016-10-12 | 长春海基亚生物技术股份有限公司 | Rabies vaccine needle-free injection system and application |
| CN105999257A (en) * | 2016-05-11 | 2016-10-12 | 长春海基亚生物技术股份有限公司 | Influenza vaccine needle-free injection system and application |
| CN105999253A (en) * | 2016-05-11 | 2016-10-12 | 内蒙古华希生物科技有限公司 | Brucellosis vaccine needle-free injection system and application |
| CN105999258A (en) * | 2016-05-11 | 2016-10-12 | 内蒙古华希生物科技有限公司 | Pig virus vaccine needle-free injection system and application |
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Application publication date: 20131218 |