CN103908710A - Safety syringe - Google Patents
Safety syringe Download PDFInfo
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- CN103908710A CN103908710A CN201410114477.2A CN201410114477A CN103908710A CN 103908710 A CN103908710 A CN 103908710A CN 201410114477 A CN201410114477 A CN 201410114477A CN 103908710 A CN103908710 A CN 103908710A
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- safety
- needle
- safety shield
- needle tubing
- deck
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Abstract
The invention relates to a safety syringe which comprises a cylinder, a syringe needle, a safety jacket, a connecting mechanism and a fastening seat. The syringe needle comprises a needle base and a needle tube. The fastening seat is fixed on the needle base. The safety jacket is connected to the fastening seat through the connecting mechanism, and can rotate around the connecting mechanism. The safety jacket is of a hollow cavity, and at least one needle tube safety hook is arranged in the cavity. The safety syringe has the advantages that the problem of accidental needling in the prior art can be effectively solved, so that the risk that medical workers suffer from infectious diseases due to accidental needling is avoided.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, particularly a kind of safety injector.
Background technology
In clinical medicine, used syringe needle, if again overlap not in time upper jacket, may cause accidental puncture to patient or medical personnel.In the prior art, while disposing disposable syringe discarded after using, be generally to recover former sheath, contaminated needle tubing is carried out to safe handling, sheath is the tubular casing that internal diameter is tiny, and the finger of holding sheath is certainly in contaminated needle tubing front, in the process of recovering sheath, the factor impacts such as that medical personnel is probably subject to is tired out, busy, luminance shortage, collision, produce accidental needle sticks wound, easily cause viral cross infection, even may cause fatal disease.In addition, accidental needle sticks problem also can occur in when contaminated pinhead is overlapped to sheath again, or after syringe uses or before doing safe handling.Clinically, accidental needle sticks be long-term existence, the problem that is difficult to avoid.Therefore, design one is with fool proof safety injector, and discarded needle tubing is protected, and avoids scratching people, has both been conducive to the healthy of people, is also the urgent needs in market.
In prior art, the syringe that has existed some to prevent cross infection, as " safety injector " patent of Chengdu Push Medical Plastics Packaging Co., Ltd.'s application.Its patent No. is ZLCN201120205360.7, notification number is CN202096549U, its content mainly comprises the needle stand of fixing needle tubing and the sheath being detachably mounted thereon, described needle stand has longitudinal upwardly extending fairlead, the top of this fairlead arranges its top and offered the slippage cover of pin through hole, between slippage cover fairlead, has locking structure; The Compress Spring groove that acts on slippage cover bottom is set in fairlead, in slippage cover, is fixedly installed the elastic block piece that can block pin through hole.The safety injector of mentioning in this patent document, its release mechanism adopts split-type structural, and needle stand can separate with sheath, and structure relative complex, complex operation, medical personnel easily produces operate miss, is not easy to apply on a large scale.
Summary of the invention
The invention provides a kind of safety injector, effectively solve the accidental needle sticks problem existing in prior art, thus the risk of avoiding medical personnel to catch because of accidental needle sticks.
It is as follows that the present invention solves this technical problem adopted technical scheme:
A kind of safety injector, comprise a cylindrical shell and a syringe needle, described syringe needle comprises a needle stand and a needle tubing, described safety injector also comprises a safety shield, a bindiny mechanism and a deck, described deck is fixed on described needle stand, and described safety shield is connected to described deck by bindiny mechanism, and described safety shield can rotate centered by bindiny mechanism, described safety shield is hollow cavity, is provided with at least one needle tubing safety door hook in its cavity.
Described safety shield is a tubular article; on the sidewall of described safety shield, be provided with an opening towards a side of described syringe needle; the length of described opening is greater than the length of described syringe needle; the position that is positioned at described opening both sides on the sidewall of described safety shield forms respectively a protection fin, and two protection fins are oppositely arranged.
In described safety shield, be provided with two needle tubing safety door hooks; the coupler body root of described needle tubing safety door hook is on the safety shield medial wall between two protection fins; the inflection point place formation one of the coupler body of described needle tubing safety door hook is the acute angle to the safety shield medial wall between two protection fins just; the coupler body opposite direction of two needle tubing safety door hooks, described needle tubing safety door hook can be hooked on described needle tubing.
In described safety shield, be provided with two sheath buckles; described sheath buckle is the block of a projection; two sheath snapped-in position are relative; described sheath buckle is arranged on the medial wall of protection fin; described deck is provided with and corresponding two bayonet sockets of described sheath buckle shape, and described sheath buckle can be stuck on described bayonet socket.
Described deck is a ring, is enclosed within described hub outer surface, and size, the shape of this ring are corresponding with described needle stand bottom.
Described deck is a hollow cavity, is enclosed within described hub outer surface, and size, the shape of this cavity are corresponding with described needle stand.
Described sheath buckle is arranged on the safety shield medial wall near place of bindiny mechanism.
Described bindiny mechanism comprises a turnover mechanism and an elastic mechanism, and the two ends of described elastic mechanism are connected to respectively the two ends of described turnover mechanism, and described elastic mechanism is positioned under described turnover mechanism.
Described syringe needle outside is provided with a pin cap, and bottom, described pin cap bottom is enclosed within on deck (5).
The invention has the advantages that, the invention discloses a kind of safety injector, syringe needle is provided with safety shield, its safety shield is connected with needle stand one, in its safety shield, be provided with hook body structure, can guarantee cannot again separate after safety shield and needle tubing interlock, medical personnel only need side direction to promote the safety shield syringe needle that can link closely, therefore can effectively prevent accidental needle sticks, thereby the risk of avoiding medical personnel to catch because of accidental needle sticks.Global design of the present invention is reasonable, easy to operate, and safety coefficient is high, practical, is convenient to large-scale promotion application.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1;
Fig. 2 is the structural representation of safety shield, bindiny mechanism and the deck of the embodiment of the present invention 1;
Fig. 3 is the top view of safety shield, bindiny mechanism and the deck of the embodiment of the present invention 1;
Fig. 4 is needle tubing safety door hook and the needle tubing interlocking pattern schematic diagram of the embodiment of the present invention 1;
Fig. 5 is two needle tubing safety door hooks and the needle tubing interlocking pattern schematic diagram of the embodiment of the present invention 1;
Fig. 6 is the first using state schematic diagram of the embodiment of the present invention 1;
Fig. 7 is the second using state schematic diagram of the embodiment of the present invention 1;
Fig. 8 is the 3rd using state schematic diagram of the embodiment of the present invention 1;
Fig. 9 is the structural representation of the embodiment of the present invention 2;
Figure 10 is the structural representation of safety shield, bindiny mechanism and the deck of the embodiment of the present invention 2;
Figure 11 is the top view of safety shield, bindiny mechanism and the deck of the embodiment of the present invention 2;
Figure 12 is the first using state schematic diagram of the embodiment of the present invention 2;
Figure 13 is the second using state schematic diagram of the embodiment of the present invention 2;
Figure 14 is the 3rd using state schematic diagram of the embodiment of the present invention 2;
In figure, each parts label is as follows:
1, cylindrical shell, 2, syringe needle, 3, safety shield, 4, bindiny mechanism, 5, deck, 6, pin cap;
11, core bar, 12 pistons, 21, needle stand, 22, needle tubing, 31, needle tubing safety door hook, 32, opening, 33, protection fin, 34, sheath buckle, 41, turnover mechanism, 42, elastic mechanism, 51, bayonet socket.
The specific embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with accompanying drawing, those skilled in the art is more clearly understood and how to put into practice the present invention.Although should be appreciated that in conjunction with its preferred specific embodiments and described the present invention, these embodiments are intended setting forth, rather than limit the scope of the invention.
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3 shows; the present embodiment relates to a kind of safety injector; comprise a cylindrical shell 1 and a syringe needle 2, be provided with a core bar 11 and piston 12 in cylindrical shell 1, syringe needle 2 comprises a needle stand 21 and a needle tubing 22; syringe needle 2 outsides are provided with a pin cap 6; pin cap 6 bottoms can be enclosed within on deck 5, and deck 5 is fixed on needle stand 21, before syringe uses; pin cap 6 is enclosed within syringe needle 2 outsides, for the protection of can be not contaminated by the syringe needle 2 after sterilizing.Described safety injector also comprises a safety shield 3, a bindiny mechanism 4 and a deck 5, deck 5 is fixed on needle stand 21, safety shield 3 is connected to deck 5 by bindiny mechanism 4, safety shield 3 can rotate centered by bindiny mechanism 4, safety shield 3 is hollow cavity, is provided with at least one needle tubing safety door hook 31 in its cavity.The cavity of safety shield 3 is used for placing needle tubing 22, and needle tubing safety door hook 31, for needle tubing 22 is blocked, prevents safety shield 3 landing from needle tubing 22, and safety shield 3 is for the protection of used syringe needle 2, prevents accidental needle sticks and the cross infection that causes.
As shown in Figure 2 and Figure 3; safety shield 3 is a tubular article; on the sidewall of safety shield 3, be provided with an opening 32 towards a side of syringe needle 2; the length of opening 32 is greater than the length of syringe needle 2; guarantee that syringe needle 2 can go out to enter safety shield 3 from opening 32; the position that is positioned at opening 32 both sides on the sidewall of safety shield 3 forms respectively 33, two protection fins 33 of a protection fin and is oppositely arranged.Bindiny mechanism 4 comprises a turnover mechanism 41 and an elastic mechanism 42, and the two ends of elastic mechanism 42 are connected to respectively the two ends of turnover mechanism 41, and elastic mechanism 42 is positioned under turnover mechanism 41.Wherein, turnover mechanism 41 comprises two flap (not shown) that link together, the junction of two flap (not shown) is a folding line (not shown), one flap is fixed on deck 5, another flap is fixed on safety shield, and bindiny mechanism 4 can rotate to needle tubing 22 directions safety shield 3.Deck 5 is a ring, is enclosed within needle stand 21 outer surfaces, and size, the shape of this ring are corresponding with needle stand 21 bottoms, and deck 5 is fixed on needle stand 21, and bindiny mechanism 4, safety shield 3 are integrated with deck 5, and safety shield 3 is also fixed on needle stand 21.
As shown in Figure 4, in safety shield 3, also can only be provided with a needle tubing safety door hook 31, can further reduce production cost.Syringe in the present embodiment, after use, is pushed into syringe needle 2 places by safety shield 3, and needle tubing safety door hook 31 is buckled on needle tubing 22.Wherein, the coupler body root of needle tubing safety door hook 31 is on safety shield 3 medial walls between two protection fins 33; the inflection point place formation one of the coupler body of needle tubing safety door hook 31 is the acute angle to safety shield 3 medial walls between two protection fins 33 just; needle tubing safety door hook 31 can be hooked on needle tubing 22; for needle tubing 22 is blocked, prevent safety shield 3 landing from needle tubing 22.
As shown in Figure 5, in safety shield 3, be provided with two needle tubing safety door hooks 31, can further guarantee needle tubing 22 fastening effect.Syringe in the present embodiment, after use, is pushed into syringe needle 2 places by safety shield 3, and needle tubing safety door hook 31 is buckled on needle tubing 22.The coupler body root of needle tubing safety door hook 31 is on safety shield 3 medial walls between two protection fins 33; the inflection point place formation one of the coupler body of needle tubing safety door hook 31 is the acute angle to safety shield 3 medial walls between two protection fins 33 just; the coupler body opposite direction of two needle tubing safety door hooks 31; needle tubing safety door hook 31 can be hooked on needle tubing 22; for needle tubing 22 is blocked, prevent safety shield 3 landing from needle tubing 22.
The original state that is illustrated in figure 1 the safe injection needle described in the present embodiment, pin cap 6 is enclosed within syringe needle 2 outsides, and under the effect of elastic mechanism 42, safety shield 3 leans against on pin cap 6 automatically, is convenient to outer packaging; As shown in Figure 6, medical personnel, using in the present embodiment process, first outwards turn down safety shield 3, and under the combined effect of turnover mechanism 41 and elastic mechanism 42, safety shield 3 maintains static; As shown in Figure 7, medical personnel pull up pin cap 6, expose syringe needle, and then complete injection process; As shown in Figure 8, after injection process completes, medical personnel are pushed into safety shield 3 on syringe needle 2 from the side, because this hour hands cap 6 is pulled up, safety shield 3 will directly cover whole syringe needle 2 parts, two needle tubing safety door hooks 31 in safety shield 3 are stuck on needle tubing 22, prevent from that needle point from exposing to hurt sb.'s feelings.In this process, medical personnel, without pin cap 6 being covered back from needle point, do not puncture the risk of finger.
Embodiment 2
As shown in Fig. 9, Figure 10, Figure 11, the most of technical characterictic of embodiment 2 is identical with embodiment 1, and the difference of its technical scheme is: deck 5 is a hollow cavity, is enclosed within needle stand 21 outer surfaces, and size, the shape of this cavity are corresponding with needle stand 21; This structure can be fixed on deck 5 needle stand 21 outsides better, effectively prevents that safety shield 3 from coming off from syringe needle.In safety shield 3, be provided with two sheath buckles 34, sheath buckle 34 is the block of a projection, and two sheath buckle 34 positions are relative, and sheath buckle 34 is arranged on the medial wall of protection fin 33, and sheath buckle 34 is near bindiny mechanism 4.Deck 5 is provided with and sheath buckle 34 sizes, corresponding two bayonet sockets 51 of shape, and sheath buckle 34 can be stuck on bayonet socket 51.
The original state that is illustrated in figure 9 the safe injection needle described in the present embodiment, pin cap 6 is enclosed within syringe needle 2 outsides, and under the effect of elastic mechanism 42, safety shield 3 leans against on pin cap 6 automatically, is convenient to outer packaging; As shown in figure 12, medical personnel, using in the present embodiment process, first outwards turn down safety shield 3, and under the combined effect of turnover mechanism 41 and elastic mechanism 42, safety shield 3 maintains static; As shown in figure 13, medical personnel pull up pin cap 6, expose syringe needle, and then complete injection process; As shown in figure 14, after injection process completes, medical personnel are pushed into safety shield 3 on syringe needle 2 from the side, because this hour hands cap 6 is pulled up, safety shield 3 will directly cover whole syringe needle 2 parts, two needle tubing safety door hooks 31 in safety shield 3 are stuck on needle tubing 22, prevent from that needle point from exposing to hurt sb.'s feelings.Two sheath buckles 34 of safety shield 3 inside are buckled on bayonet socket 51, make safety shield 3 can be fixed on better syringe needle 2 places.In this process, medical personnel, without pin cap 6 being covered back from needle point, do not puncture the risk of finger.
Above-mentioned two embodiment of the present invention; a kind of safety injector is disclosed respectively; its syringe needle is provided with safety shield; its safety shield and needle stand are integral structure; reverse double hook structure in its safety shield, can guarantee cannot again separate after safety protection mechanism and needle tubing interlock, and safety shield only needs side direction to promote to link closely syringe needle; therefore can effectively prevent accidental needle sticks, thereby the risk of avoiding medical personnel to catch because of accidental needle sticks.Global design of the present invention is reasonable, easy to operate, and safety coefficient is high, practical, is convenient to large-scale promotion application.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. a safety injector, comprise a cylindrical shell (1) and a syringe needle (2), described syringe needle (2) comprises a needle stand (21) and a needle tubing (22), it is characterized in that: described safety injector also comprises a safety shield (3), one bindiny mechanism (4) and a deck (5), described deck (5) is fixed on described needle stand (21), described safety shield (3) is connected to described deck (5) by bindiny mechanism (4), described safety shield (3) can rotate centered by bindiny mechanism (4), described safety shield (3) is hollow cavity, in its cavity, be provided with at least one needle tubing safety door hook (31).
2. a kind of safety injector according to claim 1; it is characterized in that: described safety shield (3) is a tubular article; on the sidewall of described safety shield (3), be provided with an opening (32) towards a side of described syringe needle (2); the length of described opening (32) is greater than the length of described syringe needle (2); the position that is positioned at described opening (32) both sides on the sidewall of described safety shield (3) forms respectively a protection fin (33), and two protection fins (33) are oppositely arranged.
3. a kind of safety injector according to claim 2; it is characterized in that: in described safety shield (3), be provided with two needle tubing safety door hooks (31); the coupler body root of described needle tubing safety door hook (31) is positioned on safety shield (3) medial wall between two protection fins (33); the just acute angle to safety shield (3) medial wall between two protection fins (33) of inflection point place formation one of described needle tubing safety door hook (31) coupler body; the coupler body opposite direction of two needle tubing safety door hooks (31), needle tubing safety door hook (31) can be hooked on needle tubing (22).
4. a kind of safety injector according to claim 3; it is characterized in that: in described safety shield (3), be provided with two sheath buckles (34); described sheath buckle (34) is the block of a projection; two sheath buckles (34) position is relative; described sheath buckle (34) is arranged on the medial wall of protection fin; described deck (5) is provided with and described sheath buckle (34) corresponding two bayonet sockets of shape (51), and described sheath buckle (34) can be stuck on described bayonet socket (51).
5. a kind of safety injector according to claim 1, is characterized in that: described deck (5) is a ring, is enclosed within described needle stand (21) outer surface, and size, the shape of this ring are corresponding with described needle stand (21) bottom.
6. a kind of safety injector according to claim 1, is characterized in that: described deck (5) is a hollow cavity, is enclosed within described needle stand (21) outer surface, and size, the shape of this cavity are corresponding with described needle stand (21).
7. a kind of safety injector according to claim 1, is characterized in that: described sheath buckle (34) is arranged on safety shield (3) medial wall of locating near bindiny mechanism (4).
8. a kind of safety injector according to claim 1, it is characterized in that: described bindiny mechanism (4) comprises a turnover mechanism (41) and an elastic mechanism (42), the two ends of described elastic mechanism (42) are connected to respectively the two ends of described turnover mechanism (41), and described elastic mechanism (42) is positioned under described turnover mechanism (41).
9. a kind of safety injector according to claim 1, is characterized in that: described syringe needle (2) outside is provided with a pin cap (6), and described pin cap (6) bottom is enclosed within on deck (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410114477.2A CN103908710A (en) | 2014-03-26 | 2014-03-26 | Safety syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410114477.2A CN103908710A (en) | 2014-03-26 | 2014-03-26 | Safety syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103908710A true CN103908710A (en) | 2014-07-09 |
Family
ID=51034907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410114477.2A Pending CN103908710A (en) | 2014-03-26 | 2014-03-26 | Safety syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103908710A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104117117A (en) * | 2014-08-06 | 2014-10-29 | 江苏康宝医疗器械有限公司 | Safety protection device for injection needle |
| CN105413016A (en) * | 2015-12-23 | 2016-03-23 | 中国人民解放军第三军医大学第一附属医院 | Disposable re-covering-puncture-preventing type sterile injection needle |
| CN105664303A (en) * | 2014-11-17 | 2016-06-15 | 上海康德莱企业发展集团股份有限公司 | Safe type insulin syringe |
| CN106031806A (en) * | 2015-03-09 | 2016-10-19 | 河南曙光健士医疗器械集团股份有限公司 | A syringe needle safety protection cover structure |
| CN106730172A (en) * | 2016-11-11 | 2017-05-31 | 贝普医疗科技有限公司 | A kind of safe injection needle |
| CN108543171A (en) * | 2018-05-29 | 2018-09-18 | 安徽宏宇五洲医疗器械股份有限公司 | A kind of safe injection needle |
| CN109077797A (en) * | 2018-06-13 | 2018-12-25 | 东莞市联洲知识产权运营管理有限公司 | A kind of high-frequency electrotome pen with protective case |
| CN110101943A (en) * | 2019-05-31 | 2019-08-09 | 安徽宏宇五洲医疗器械股份有限公司 | A kind of anti-needle thorn insulin syringe |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104117117A (en) * | 2014-08-06 | 2014-10-29 | 江苏康宝医疗器械有限公司 | Safety protection device for injection needle |
| CN104117117B (en) * | 2014-08-06 | 2017-02-08 | 江苏康宝医疗器械有限公司 | Safety protection device for injection needle |
| CN105664303A (en) * | 2014-11-17 | 2016-06-15 | 上海康德莱企业发展集团股份有限公司 | Safe type insulin syringe |
| CN106031806A (en) * | 2015-03-09 | 2016-10-19 | 河南曙光健士医疗器械集团股份有限公司 | A syringe needle safety protection cover structure |
| CN105413016A (en) * | 2015-12-23 | 2016-03-23 | 中国人民解放军第三军医大学第一附属医院 | Disposable re-covering-puncture-preventing type sterile injection needle |
| CN106730172A (en) * | 2016-11-11 | 2017-05-31 | 贝普医疗科技有限公司 | A kind of safe injection needle |
| US11033213B2 (en) | 2016-11-11 | 2021-06-15 | Berpu Medical Technology Co., Ltd | Secure injection needle |
| CN108543171A (en) * | 2018-05-29 | 2018-09-18 | 安徽宏宇五洲医疗器械股份有限公司 | A kind of safe injection needle |
| CN109077797A (en) * | 2018-06-13 | 2018-12-25 | 东莞市联洲知识产权运营管理有限公司 | A kind of high-frequency electrotome pen with protective case |
| CN110101943A (en) * | 2019-05-31 | 2019-08-09 | 安徽宏宇五洲医疗器械股份有限公司 | A kind of anti-needle thorn insulin syringe |
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| CB02 | Change of applicant information |
Address after: Longwan street Yongxing District Wenzhou city Zhejiang province 325024 Xing Ji Road No. 14 Applicant after: PEPM Medical Technology Co Ltd Address before: 325013 No. 7 Jinshui Road, Wenzhou Industrial Park, Zhejiang, Wenzhou Applicant before: Wenzhou Beipu Science & Technology Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140709 |
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| RJ01 | Rejection of invention patent application after publication |