CN201223396Y - Safety blood taking needle - Google Patents
Safety blood taking needle Download PDFInfo
- Publication number
- CN201223396Y CN201223396Y CNU2008201076949U CN200820107694U CN201223396Y CN 201223396 Y CN201223396 Y CN 201223396Y CN U2008201076949 U CNU2008201076949 U CN U2008201076949U CN 200820107694 U CN200820107694 U CN 200820107694U CN 201223396 Y CN201223396 Y CN 201223396Y
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- needle
- blood taking
- blood
- taking needle
- support
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Abstract
The utility model provides a disposable safe puncture needle for the field of medical treatment. The puncture needle is designed to be curved on one side in shape. An opening on a support is designed for threading the needle point. The puncture needle is arranged on a fixer. The sidebar of a hemostix fixer is hooked by the open edge of the support. As the puncture needle is arranged inside a hemostix, the needle point can move back and forth in the upright direction and the threading direction. A compression spring is fixed at the other end of the fixer, and the other end of the fixer is connected with a needle point cap. The needle point cap is arranged on the hemostix with both sides connected with the outer wall, and subsequently, the puncture needle is inserted and is to be triggered. The puncture needle is inserted into the corresponding position of a body through a trigger device, thereby preventing a sufferer with blood to be collected, a doctor or a nurse collecting blood from being hurt by the needle point after blood is collected. Therefore, the disposable safe puncture needle is used for collecting blood more easily, quickly, safely and conveniently.
Description
Technical field
This utility model relates to medical field, more particularly, relates to a kind of disposable safe blood taking needle.
Background technology
Blood taking needle is a most frequently used instrument in hospital and other needs of medical treatment, also is used for the individual simultaneously and uses, for example diabetics; In order to pierce through the skin on the patient's finger, thereby can gather the blood sample that is used to detect.Because the extensive use of blood taking needle, the multiple blood taking needle that patient under the varying environment or medical worker use has appearred on the market being applicable to.
In blood taking needle Development Technology at first, typical blood taking needle only comprises one and is used to prick the into needle tubing at the tip of patient skin.However, along with the development of technology, common blood taking needle equipment has developed into the blood taking needle that comprises discharger and can pierce through patient skin automatically, does not extract the blood sampling sample and do not need the medical worker that blood taking needle is penetrated skin.
In diversified special-purpose blood sampling apparatus, the syringe needle that a kind of blood collection device/blood taking needle is arranged is to be used for reusablely, carries out disinfection before each blood collection, is used for several patients' blood collection then.However, the syringe needle of traditional blood collection device is to be exposed in the air, and without any protection, therefore, all affected members that comprise patient, doctor, nurse might be by needle sting, thereby causes cross infection.
Therefore, it is indispensable that blood collection device/blood taking needle that a kind of user can safety blood taking is provided, and also is very important simultaneously.
Because this disposable blood taking needle is proposed and uses.In order to use traditional disposable aspiration needle in blood collection, needle cap is arisen at the historic moment.Subsequently, syringe needle is installed on the blood collection device and triggers syringe needle, thereby syringe needle is penetrated corresponding position on the patient body, finish blood collection by the button of handling on the harvester.
However, because traditional disposable blood harvester must take off needle cap before triggering syringe needle, and then syringe needle is installed on the blood collection device, so using still some inconvenience.Because the aforementioned operation process when installing or removing syringe needle on the blood collection device, probably causes and stabs.In sum, traditional disposable blood taking needle is using inconvenience, and has potential safety hazard.
For above-mentioned disposable blood taking needle,, penetrate finger to make things convenient for syringe needle so need oneself arm be in vertical direction by blood sampling person because syringe needle is in than in the large space.So traditional disposable blood taking needle uses and is inconvenient.
The utility model content
In view of this, it is a kind of with respect to traditional blood taking needle that main purpose of the present utility model is to provide, and can be used for the blood taking needle of blood collection work easier, quick, safe, expediently.
A kind of the disposable safe blood taking needle that is used for medical field that this utility model provides comprises the over cap of protecting blood taking needle, on the described over cap brake is installed, and is installed at described over cap under the state of support, and this brake blocks the support side lever; The holder side lever, the side opening clamping of the top of this holder side lever and support and can contacting with above-mentioned support side lever by described side opening; For the carrier openings that blood taking needle pierces through, this carrier openings is arranged on the position on the lower side of support, and is positioned at the apical position of support; Spring, this spring link to each other with the opposition side that blood taking needle one side is installed of holder under state by compression, and spring is set at: holder moves and touches under the state of rack inner wall brake to the carrier openings position, and it is in the state of being stretched.This has just effectively prevented to be used once more after blood taking needle from triggering.
Blood taking needle of the present utility model was in compressive state before contact is by blood sampling person's skin, will trigger blood taking needle and pierce through by the corresponding position of blood sampling person's health after touching by blood sampling person's skin.In this blood taking needle can automatically retract to and itself install, thereby can prevent that patient, doctor and the nurse of the work of taking a blood sample are infected by syringe needle.
In order to ensure the safe handling of hemostix, this invention is after triggering syringe needle, and spring will retract syringe needle, and syringe needle is withdrawn after use in the hemostix.Can prevent needle sting like this and stab after the cross infection that causes.Simultaneously, this invention can only disposablely be used, and after syringe needle triggers, the side lever of holder will bend towards the hemostix inwall, and can not release again.
Description of drawings
Fig. 1 is the overall structure figure of disposable safe blood taking needle of the present utility model;
Fig. 2 is the fractal structure figure of disposable safe blood taking needle of the present utility model;
Fig. 3 is a disposable safe blood taking needle of the present utility model side view before use, the initial triggering/embedded direction for the treatment of;
Fig. 4 is a disposable safe blood taking needle of the present utility model side view before use, the initial triggering/embedded direction for the treatment of, open over cap after, prepare the triggering state;
Fig. 5 is a disposable safe blood taking needle of the present utility model, when hemostix transfers to when piercing through direction/triggering state from treating triggering/embedded direction, and the side lever side view when activating blood taking needle that is depressed;
Fig. 6 is the side view after disposable safe blood taking needle of the present utility model triggers, springs return holder-syringe needle, and syringe needle turns back in the hemostix.
The specific embodiment
In order to further specify this utility model, can be with reference to the detailed description of accompanying drawing in the description and following relevant accompanying drawing; Make reference list in the picture, in all pictures, used identical Ref. No. to indicate same or similar part.
For example in Fig. 1, disposable safe blood taking needle of the present utility model comprises 3 parts: hemostix support 10, over cap 15 and needle cap 18.Fig. 1 and Fig. 3 have represented that this utility model treats triggering/embedded direction before not using.Over cap 15 uses brake 14 to prevent side lever 13 on the support 10 because external force is depressed.Support 10 upper curve profiles 11 provide a comfortable use zone for user.Needle cap 18 is locked in lateral aperture 17 internal fixation on the support 10 on support 10 by using hook.
Fig. 3 represents disposable safe blood taking needle of the present utility model side view before use, the initial triggering/embedded direction for the treatment of, and the side lever 22 of holder 21 is hooked on the lateral opening 12 of support.Over cap 15 can be protected syringe needle and prevent that blood taking needle is braked device 14 and activates.Compression spring 24 on holder 21 blood taking needles 23 and the needle cap 18 is fixed together.
What Fig. 4 represented is after over cap 15 is opened, and the side lever 13 on the external force extrusion rack pushes holder side lever 22 simultaneously, just can activate blood lancet device.
What Fig. 5 represented is that blood taking needle makes hemostix change the direction/triggering state that pierces through into from treating triggering/embedded direction by external force after side lever is extruded on the support.Holder 21 blood taking needles 23 move to carrier openings 25 directions, and the inwall brake 26 of holder 21 contact supports 10 reaches the needle pierces degree of depth simultaneously.Holder side lever 22 bends towards support 10 inwalls.
The state of the disposable safe blood taking needle after Fig. 6 represents to trigger, spring 24 retract holder 21 blood taking needles 23, in the blood taking needle 23 withdrawal supports 10.The holder side lever bends towards the hemostix inwall and can not reuse.Therefore, this blood taking needle can prevent to be stabbed and reuse by blood taking needle 23 after use effectively.
In sum, this utility model provides a kind of simpler usage for blood collection, and wherein blood taking needle is designed to direction to be triggered, and user need not to prepare once more blood taking needle, only over cap need be opened, and just can use blood taking needle.
For user provides penetration depth fast and accurately, because when holder touches brake on the rack inner wall, syringe needle will stop action to this utility model in blood collection.Flip flop equipment reduces by blood sampling person's pain while sample of blood, drawn apace by the spring dynamics.
The safety that this utility model can guarantee to take a blood sample and collect, because can take a blood sample in the position of quilt blood sampling person somagenic need with it, blood sampling finishes the back syringe needle and can withdraw fully in the support to prevent user by needle sting, so this utility model can allow user free from all inhibitions.
Claims (1)
1. disposable safe blood taking needle that only is used for medical field, it is characterized in that comprising: the over cap (15) of protection blood taking needle, brake (14) is installed on the described over cap (15), be installed under the state of support (10) at described over cap (15), this brake (14) blocks support side lever (13); Holder side lever (22), the side opening clamping of the top of this holder side lever (22) and support (10) and can contacting with above-mentioned support side lever (13) by described side opening; For the carrier openings (25) that blood taking needle (23) pierces through, this carrier openings (25) is arranged on the position on the lower side of support (10), and is positioned at the apical position of support (10); Spring (24), this spring (24) links to each other with the opposition side that blood taking needle (23) one sides are installed of holder (21) under state by compression, spring (24) is set at: holder (21) moves and touches under the state of support (10) inwall brake (26) to carrier openings (25) position, and it is in the state of being stretched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201076949U CN201223396Y (en) | 2008-04-03 | 2008-04-03 | Safety blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201076949U CN201223396Y (en) | 2008-04-03 | 2008-04-03 | Safety blood taking needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201223396Y true CN201223396Y (en) | 2009-04-22 |
Family
ID=40596272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201076949U Expired - Fee Related CN201223396Y (en) | 2008-04-03 | 2008-04-03 | Safety blood taking needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201223396Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104135928A (en) * | 2012-01-10 | 2014-11-05 | 赛诺菲-安万特德国有限公司 | An apparatus for eliciting a blood sample |
-
2008
- 2008-04-03 CN CNU2008201076949U patent/CN201223396Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104135928A (en) * | 2012-01-10 | 2014-11-05 | 赛诺菲-安万特德国有限公司 | An apparatus for eliciting a blood sample |
| US10258270B2 (en) | 2012-01-10 | 2019-04-16 | Sanofi-Aventis Deutschland Gmbh | Apparatus for eliciting a blood sample |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090422 Termination date: 20110403 |