CN103908267A - Safe blood taking needle - Google Patents
Safe blood taking needle Download PDFInfo
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- CN103908267A CN103908267A CN201410114478.7A CN201410114478A CN103908267A CN 103908267 A CN103908267 A CN 103908267A CN 201410114478 A CN201410114478 A CN 201410114478A CN 103908267 A CN103908267 A CN 103908267A
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- needle
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- safe blood
- taking
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Abstract
The invention relates to a safe blood taking needle. The safe blood taking needle comprises a needle seat, a double-head needle tube, a safe jacket, a connecting mechanism and a clamping seat, wherein the double-head needle tube penetrates in the needle seat; one end of the double-head needle tube is a venipuncture needle; the other end of the double-head needle tube is an intubation needle; the clamping seat is fixed on the needle seat; the safe jacket is connected to the clamping seat through the connecting mechanism, can rotate around the connecting mechanism and is a hollow cavity; and at least one needle tube safe hook is arranged in the cavity. The safe blood taking needle has the advantages that the problem of accidental needle puncture in the prior art can be effectively solved, and the risk that medical staffs contract diseases due to accidental needle puncture is avoided.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, particularly a kind of safe blood-taking needle.
Background technology
In blood collection procedure, blood taking needle, the blood taking tube important apparatus that is absolutely necessary.What the past was generally used is traditional syringe blood drawing, then transfers to blood taking tube and carry out the operations such as censorship; In recent years, vacuum tube single step is directly taken a blood sample and is become more advanced blood sampling means.Directly blood sampling mode of vacuum tube single step adopts the hemostixes such as two-head blood-taking needle, vacuum test tube, blood collecting protecting sleeve (needle holder).Existing two-head blood-taking needle is common blood taking needle, mainly comprises venipuncture needle and the cannula needle of blood taking needle adapter sleeve and integrative-structure.Venipuncture needle is positioned at the front end of adapter sleeve, for venipuncture; Cannula needle is positioned at the other end of adapter sleeve, coordinates blood sampling for being connected with vacuum test tube.Disposable blood taking needle, as vacuum harvester accessory, is mainly used in the connection between human vein blood vessel and blood taking tube.Existing disposable blood taking needle does not increase safety device, and therefore, after blood sampling, blood taking needle easily suffers secondary pollution; After use is dropped, the medical worker who arranges blood taking needle is easily stabbed by blood taking needle.Owing to there is no safety device or apparatus for destroying, complete the blood taking needle after blood sampling, also may be by lawless person's recycling.Once the blood taking needle after medical personnel is contaminated is stabbed, easily cause viral cross infection, even may cause fatal disease.Clinically, accidental needle sticks be long-term existence, the problem that is difficult to avoid.Therefore, design one is with fool proof safe blood-taking needle, and the needle point of blood taking needle is protected, and avoids scratching people, has both been conducive to the healthy of people, is also the urgent needs in market.
Summary of the invention
The invention provides a kind of safe blood-taking needle, effectively solve the accidental needle sticks problem of the blood sampling apparatus existence of 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 safe blood-taking needle, comprise that a needle stand and runs through the dual-head needle tube of described needle stand, described dual-head needle tube one end is venipuncture needle, its other end is cannula needle, described safe blood-taking needle also comprises a safety shield, a bindiny mechanism and a deck, described deck is fixed on described needle stand, described safety shield is connected to described deck by bindiny mechanism, 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 venipuncture needle outside is provided with a puncture needle cap, and described puncture needle cap is stuck on described needle stand; Described cannula needle outside is provided with a cannula needle cap, and described cannula needle cap is stuck on described needle stand.
The invention has the advantages that, the invention discloses a kind of safe blood-taking needle, blood taking needle syringe needle is provided with safety shield, and its safety shield is connected with needle stand one, in its safety shield, is 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, thus can effectively prevent accidental needle sticks, thus the risk of avoiding medical personnel to catch because of accidental needle sticks.Simple structure of the present invention, easy to operate, use procedure can effectively avoid stabbing medical worker and cleanup crew, can effectively stop secondary and use the cross infection causing, 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 the first using state schematic diagram of the embodiment of the present invention 1;
Fig. 6 is the second using state schematic diagram of the embodiment of the present invention 1;
Fig. 7 is the 3rd using state schematic diagram of the embodiment of the present invention 1;
Fig. 8 is the structural representation of the embodiment of the present invention 2;
Fig. 9 is the structural representation of safety shield, bindiny mechanism and the deck of the embodiment of the present invention 2;
Figure 10 is the first using state schematic diagram of the embodiment of the present invention 2;
Figure 11 is the second using state schematic diagram of the embodiment of the present invention 2;
Figure 12 is the 3rd using state schematic diagram of the embodiment of the present invention 2;
In figure, each parts label is as follows:
1, needle stand, 2, dual-head needle tube, 3, safety shield, 4, bindiny mechanism, 5, deck, 6, puncture needle cap, 7, cannula needle cap;
21, venipuncture needle, 22, cannula needle, 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 safe blood-taking needle, comprises that a needle stand 1 and runs through the dual-head needle tube 2 of described needle stand, and dual-head needle tube one end is venipuncture needle 21, and venipuncture needle 21 is positioned at the front end of needle stand 1, for venipuncture; Its other end is cannula needle 22, coordinates blood sampling for being connected with vacuum test tube.Venipuncture needle 21 outsides are provided with a puncture needle cap 6, and puncture needle cap 6 is stuck on needle stand 1; Cannula needle 22 outsides are provided with a cannula needle cap 7, and cannula needle cap 7 is stuck on needle stand 1, and before blood taking needle uses, puncture needle cap 6 is enclosed within dual-head needle tube 2 outsides, for the protection of can be not contaminated by the dual-head needle tube 2 after sterilizing.
Described safe blood-taking needle also comprises a safety shield 3, a bindiny mechanism 4 and a deck 5, deck 5 is fixed on needle stand 1, 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 venipuncture needle 21; needle tubing safety door hook 31 is for blocking venipuncture needle 21; prevent safety shield 3 landing from venipuncture needle 21, safety shield 3 is for the protection of used venipuncture needle 21, 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 dual-head needle tube 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 venipuncture needle 21 directions safety shield 3.Deck 5 is a hollow cavity, is enclosed within needle stand 1 outer surface, and size, the shape of this cavity are corresponding with needle stand 1; This structure can be fixed on deck 5 needle stand 1 outside better, effectively prevents that safety shield 3 from coming off from syringe needle; Bindiny mechanism 4, safety shield 3 are integrated with deck 5, and safety shield 3 is also fixed on needle stand 1.
As shown in Figure 4, the blood taking needle 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 venipuncture needle 21, is provided with at least one needle tubing safety door hook 31 in safety shield 3, can guarantee the fastening effect of venipuncture needle 21.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 venipuncture needle 21; for venipuncture needle 21 is blocked, prevent safety shield 3 landing from venipuncture needle 21.
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 1 the safe injection needle described in the present embodiment, puncture needle cap 6 is buckled on dual-head needle tube 2, and under the effect of elastic mechanism 42, safety shield 3 leans against on puncture needle cap 6 automatically, is convenient to outer packaging; As shown in Figure 5, medical personnel, using in the present embodiment process, are first connected to cannula needle 22 by vacuum test tube 8, coordinate blood sampling for being connected with vacuum test tube; Safety shield 3 is outwards turned down, under the combined effect of turnover mechanism 41 and elastic mechanism 42, safety shield 3 maintains static again; As shown in Figure 6, medical personnel pull up puncture needle cap 6, expose syringe needle, and then complete blood collection procedure; As shown in Figure 7, after blood collection procedure completes, medical personnel are pushed into safety shield 3 on venipuncture needle 21 from the side, because puncture needle cap 6 now is pulled up, safety shield 3 will directly cover whole venipuncture needle 21 parts, two needle tubing safety door hooks 31 in safety shield 3 are stuck on venipuncture needle 21, prevent from that needle point from exposing to hurt sb.'s feelings.In this process, medical personnel, without puncture needle cap 6 being covered back from needle point, do not puncture the risk of finger.
Embodiment 2
As shown in Figure 8, Figure 9, the most of technical characterictic of embodiment 2 is identical with embodiment 1, the difference of its technical scheme is: deck 5 is a ring, be enclosed within needle stand 1 outer surface, size, the shape of this ring are outside corresponding with needle stand 1, deck 5 is fixed on needle stand 1, and needle stand 1 is made for transparent material.Bindiny mechanism 4, safety shield 3 are integrated with deck 5, and safety shield 3 is also fixed on needle stand 1.Needle stand 1 is made for transparent material, and medical personnel can see whether occurring blood back phenomenon by needle stand 1.
The original state that is illustrated in figure 8 the safe injection needle described in the present embodiment, puncture needle cap 6 is buckled on dual-head needle tube 2, and under the effect of elastic mechanism 42, safety shield 3 leans against on puncture needle cap 6 automatically, is convenient to outer packaging; As shown in figure 10, medical personnel, using in the present embodiment process, are first connected to cannula needle 22 by vacuum test tube 8, coordinate blood sampling for being connected with vacuum test tube; Safety shield 3 is outwards turned down, under the combined effect of turnover mechanism 41 and elastic mechanism 42, safety shield 3 maintains static again; As shown in figure 11, medical personnel pull up puncture needle cap 6, expose venipuncture needle 21, and then complete blood collection procedure; As shown in figure 12, after blood collection procedure completes, medical personnel are pushed into safety shield 3 on venipuncture needle 21 from the side, because puncture needle cap 6 now is pulled up, safety shield 3 will directly cover whole dual-head needle tube 2 parts, two needle tubing safety door hooks 31 in safety shield 3 are stuck on venipuncture needle 21, 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 venipuncture needle 21 places.In this process, medical personnel, without puncture needle 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 safe blood-taking needle is all disclosed; its dual-head needle tube 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 safe blood-taking needle, comprise that a needle stand (1) and runs through the dual-head needle tube (2) of described needle stand, described dual-head needle tube one end is venipuncture needle (21), its other end is cannula needle (22), it is characterized in that: described safe blood-taking needle also comprises a safety shield (3), one bindiny mechanism (4) and a deck (5), described deck (5) is fixed on described needle stand (1), 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 safe blood-taking needle 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 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 safe blood-taking needle 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 (21).
4. a kind of safe blood-taking needle 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 safe blood-taking needle according to claim 1, is characterized in that: described deck (5) is a ring, is enclosed within described needle stand (1) outer surface, and size, the shape of this ring are corresponding with described needle stand (1) outside.
6. a kind of safe blood-taking needle according to claim 1, is characterized in that: described deck (5) is a hollow cavity, is enclosed within described needle stand (1) outer surface, and size, the shape of this cavity are corresponding with described needle stand (1).
7. a kind of safe blood-taking needle 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 safe blood-taking needle 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 safe blood-taking needle according to claim 1, is characterized in that: described venipuncture needle (21) outside is provided with a puncture needle cap (6), and described puncture needle cap (6) is stuck on described needle stand (1); Described cannula needle (22) outside is provided with a cannula needle cap (7), and described cannula needle cap (7) is stuck on described needle stand (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410114478.7A CN103908267A (en) | 2014-03-26 | 2014-03-26 | Safe blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410114478.7A CN103908267A (en) | 2014-03-26 | 2014-03-26 | Safe blood taking needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103908267A true CN103908267A (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410114478.7A Pending CN103908267A (en) | 2014-03-26 | 2014-03-26 | Safe blood taking needle |
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| CN (1) | CN103908267A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106267477A (en) * | 2016-09-09 | 2017-01-04 | 陈平轩 | A kind of folding safety sheath for disposable aspiration 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 |
| CN109172939A (en) * | 2018-10-16 | 2019-01-11 | 宁波大学医学院附属医院 | A kind of Dispoable medical safty pin |
| CN112450925A (en) * | 2020-12-14 | 2021-03-09 | 普昂(杭州)医疗科技有限公司 | Needle protection structure, protection method and needle device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106267477A (en) * | 2016-09-09 | 2017-01-04 | 陈平轩 | A kind of folding safety sheath for disposable aspiration needle |
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| CN112450925A (en) * | 2020-12-14 | 2021-03-09 | 普昂(杭州)医疗科技有限公司 | Needle protection structure, protection method and needle device |
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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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Application publication date: 20140709 |
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| RJ01 | Rejection of invention patent application after publication |