CN210811105U - Vacuum blood sampling device - Google Patents
Vacuum blood sampling device Download PDFInfo
- Publication number
- CN210811105U CN210811105U CN201921578982.7U CN201921578982U CN210811105U CN 210811105 U CN210811105 U CN 210811105U CN 201921578982 U CN201921578982 U CN 201921578982U CN 210811105 U CN210811105 U CN 210811105U
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- China
- Prior art keywords
- needle
- blood
- vacuum
- tube
- vein
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- Expired - Fee Related
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Abstract
The utility model discloses a vacuum blood sampling device, including syringe needle cap, connector, needle holder and vacuum test tube, be provided with the vein syringe needle in the syringe needle cap, vein syringe needle one end is provided with vein syringe needle base, the shaping has the needle wing on a vein syringe needle base lateral wall, vein syringe needle base one end is provided with the transfer line, transfer line one end is provided with the needle file. Has the advantages that: the utility model discloses a setting up needle holder and latex cover, can realizing that the blood sampling is protected the blood taking needle after accomplishing, prevent that the blood taking needle from exposing the people that traumatizes in the mistake outward to can avoid blood disease's propagation, through setting up latex cover, spring, diving board and needle file, can play the effect that the blood taking needle prevents the polluted environment when extracting the blood taking needle and changing vacuum test tube, improve the practicality.
Description
Technical Field
The utility model relates to a vacuum blood sampling technical field, concretely relates to vacuum blood sampling device.
Background
The vacuum blood sampling technique is through the two-way syringe needle utilize the pressure differential with patient's blood by the blood sampling mode in the airtight vacuum test tube of vein direct introduction, the principle of vacuum blood sampling tube is to take out into different vacuum with the heparin tube test tube of end cover in advance, utilize the automatic ration of its negative pressure to gather the venous blood sample, the plug of vacuum blood sampling tube is inserted to the other end after blood taking needle one end pierces human vein, human venous blood is inside the vacuum blood sampling tube, under the effect of negative pressure, get into the blood sample container through the blood taking needle, under a venipuncture, can realize that the multitube is gathered and not take place to reveal.
Current blood sampling device has not protected the blood taking needle after gathering the blood sample, makes the blood taking needle mistake easily hinder the people, needs to control blood passage's intercommunication or closure specially moreover, and this just makes the user in the blood sampling, in case forget closed operation, directly pulls out the back with the vacuum test tube, causes blood in the blood taking needle and can leak, can lead to the propagation of blood disease, and it is inconvenient to use.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the defects of the prior art, the vacuum blood sampling device is provided, and the problem that the blood sampling needle of the conventional blood sampling device is easy to accidentally injure people after blood is collected, and the communication or the closing of a blood channel needs to be specially controlled, so that the blood continues to flow after a blood sampling test tube is pulled out to pollute the surroundings, and blood diseases can be possibly caused to spread is solved.
(II) technical scheme
The utility model discloses a following technical scheme realizes: the utility model provides a vacuum blood sampling device, which comprises a needle head cap, a connector, a needle holder and a vacuum blood sampling tube, a vein needle head is arranged in the needle head cap, a vein needle head base is arranged at one end of the vein needle head, a needle wing is formed on one side wall of the intravenous needle head base, one end of the intravenous needle head base is provided with a transfusion tube, a needle seat is arranged at one end of the infusion tube, a spring is arranged in the needle seat, an elastic plate is arranged at one end of the spring, a blood taking needle is arranged between the springs, a latex sleeve is arranged outside the blood taking needle, a hose fixing head is arranged on the side wall of the needle seat, the connector is arranged below the hose fixing head, the needle holder is arranged at the lower end of the connector, the needle holder is internally provided with a blood collection tube head cover, the blood collection tube head cover is internally provided with a rubber plug, and the lower end of the rubber plug is provided with the vacuum blood collection tube.
Further, intravenous syringe needle with intravenous syringe needle base butt fusion, intravenous syringe needle base with needle cap sliding connection.
By adopting the technical scheme, the vein needle is used for puncturing the skin to enter the vein, and the needle cap is used for isolating the vein needle so as to prevent the vein needle from contacting the outside.
Further, the needle holder is connected with the connector through threads, and the needle seat is connected with the connector in a sliding mode.
By adopting the technical scheme, the connector is used for fixing the needle seat and the needle holder, and the needle seat can enter the needle holder.
Further, the needle base and the blood taking needle are welded, and the needle holder is connected with the blood taking tube head cover in a sliding mode.
Through adopting above-mentioned technical scheme, blood can follow the needle file flows in the blood taking needle is followed again the blood taking needle gets into the vacuum test tube.
Furthermore, the spring with the springboard is connected through the mode of card pressure, the springboard with latex cover cementing.
By adopting the technical scheme, the rubber plug extrudes the latex sleeve, so that the latex sleeve extrudes the spring and slides into the needle seat, and the blood is collected by the blood collection needle.
Furthermore, the infusion tube is welded with the hose fixing head, and the needle seat is connected with the hose fixing head in a sliding manner.
By adopting the technical scheme, blood flows into the needle seat through the infusion tube, and the infusion tube can be fixedly connected with the needle seat through the hose fixing head.
Furthermore, the vacuum blood sampling tube is embedded on the rubber plug, and the rubber plug is embedded on the head cover of the blood sampling tube.
Through adopting above-mentioned technical scheme, the plug is used for completely cutting off vacuum test tube to prevent its inside and external contact, prevent vacuum test tube from being contaminated, the test tube skull is used for fixing the plug.
(III) advantageous effects
Compared with the prior art, the utility model, following beneficial effect has:
1. in order to solve the problem that the blood taking needle easily accidentally injures people after blood is collected by the existing blood collecting device, the utility model can protect the blood taking needle after blood collection is finished by arranging the needle holder and the latex sleeve, and prevent the blood taking needle from being exposed to the outside to accidentally injure people, thereby avoiding the propagation of blood diseases;
2. need control the intercommunication or the closure of blood passageway specially for solving current blood sampling device, cause to pull out to continue the problem on every side of bleeding pollution behind the blood sampling test tube, the utility model discloses a set up latex cover, spring, diving board and needle file, can play the effect that the sealed blood sampling needle prevented the polluted environment when extracting the blood sampling needle and changing vacuum test tube, improve the practicality.
Drawings
FIG. 1 is a front view of a vacuum blood collection device according to the present invention;
FIG. 2 is a partial cross-sectional view of a vacuum blood collection device of the present invention at location A;
fig. 3 is a cross-sectional view of the vacuum blood collection tube, the rubber plug and the blood collection tube head cap in the vacuum blood collection device of the present invention;
the reference numerals are explained below:
1. a needle head cap; 2. a needle wing; 3. a transfusion tube; 4. a hose fixing head; 5. a needle seat; 6. a connector; 7. a needle holder; 8. a blood collection tube head cover; 9. a vacuum blood collection tube; 10. a blood collection needle; 11. a venous needle base; 12. a venous needle; 13. a latex sleeve; 14. a spring plate; 15. a spring; 16. a rubber plug.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-3, a vacuum blood-collecting device comprises a needle cap 1, a connector 6, needle holder 7 and vacuum test tube 9, be provided with intravenous syringe needle 12 in the syringe needle cap 1, intravenous syringe needle 12 one end is provided with intravenous syringe needle base 11, the shaping has the needle wing 2 on the 11 lateral walls of intravenous syringe needle base, intravenous syringe needle base 11 one end is provided with transfer line 3, 3 one end of transfer line is provided with needle file 5, be provided with spring 15 in the needle file 5, spring 15 one end is provided with diving board 14, be provided with blood taking needle 10 between the spring 15, blood taking needle 10 is provided with emulsion cover 13 outward, be provided with hose fastening head 4 on the 5 lateral walls of needle file, hose fastening head 4 below is provided with connector 6, connector 6 lower extreme is provided with needle holder 7, be provided with the blood collection tube skull 8 in the needle holder 7, be provided with plug 16 in the blood collection tube.
Wherein, the vein needle 12 is welded with the vein needle base 11, the vein needle base 11 is connected with the needle cap 1 in a sliding way, the vein needle 12 is used for puncturing the skin and entering the vein, the needle cap 1 is used for isolating the vein needle 12 to prevent the vein needle 12 from contacting with the outside, the needle holder 7 is connected with the connector 6 through screw thread, the needle base 5 is connected with the connector 6 in a sliding way, the connector 6 is used for fixing the positions of the needle base 5 and the needle holder 7 to ensure that the needle base 5 can enter the needle holder 7, the needle base 5 is welded with the blood taking needle 10, the needle holder 7 is connected with the vacuum blood taking tube 9 in a sliding way, the blood can flow into the blood taking needle 10 from the needle base 5 and then enters the vacuum blood taking tube 9 from the blood taking needle 10, the spring 15 is connected with the elastic plate 14 in a clamping way, the elastic plate 14 is connected with the latex sleeve 13 in an adhesive way, the latex sleeve 13 is, thereby spill blood taking needle 10 and take a blood sample, transfer line 3 and the 4 butt fusion of hose fixed head, needle file 5 and the 4 sliding connection of hose fixed head, blood flows into needle file 5 through transfer line 3, 3 accessible hose fixed heads 4 of transfer line are connected fixedly with needle file 5, vacuum test tube 9 is embedded on plug 16, plug 16 is embedded on heparin tube skull 8, plug 16 is used for isolated vacuum test tube 9, in order to prevent its inside and external contact, prevent that vacuum test tube 9 from being contaminated, heparin tube skull 8 is used for fixing plug 16.
The utility model provides a vacuum blood sampling device's theory of operation: the needle cap 1 can protect the vein needle 12 from being polluted by the outside, the needle wing 2 is supported to enable the vein needle 12 to puncture the skin and enter the vein, the blood flows to the infusion tube 3 through the vein needle 12, the connector 6 plays a role of fixing the needle base 5, the needle holder 7 can maintain the balance of the vacuum blood collection tube 9 and reduce the occurrence of hemolysis, the latex sleeve 13 is extruded through the vacuum blood collection tube 9 to enable the latex sleeve 13 to compress the spring 15, the latex sleeve 13 further enters the cavity of the needle base 5 and leaks the blood collection needle 10, so that the rubber plug 16 punctured by the blood collection needle 10 is communicated with the vacuum blood collection tube 9, the inside of the vacuum blood collection tube 9 is in a vacuum state, the vein blood sample is automatically and quantitatively collected by utilizing the negative pressure of the latex sleeve 13, the vacuum blood collection tube 9 is taken out after the collection is finished, the latex sleeve 13 is popped out under the action of the spring 15, the latex sleeve, blood pollution caused by the outflow of blood in the blood lancet 10 or accidental injury by the blood lancet 10 is avoided.
The above examples are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (7)
1. A vacuum blood collection device characterized by: comprises a needle head cap (1), a connector (6), a needle holder (7) and a vacuum blood collection tube (9), wherein a vein needle head (12) is arranged in the needle head cap (1), a vein needle head base (11) is arranged at one end of the vein needle head (12), a needle wing (2) is formed on one side wall of the vein needle head base (11), a transfusion tube (3) is arranged at one end of the vein needle head base (11), a needle base (5) is arranged at one end of the transfusion tube (3), a spring (15) is arranged in the needle base (5), an elastic plate (14) is arranged at one end of the spring (15), a blood collection needle (10) is arranged between the springs (15), a latex sleeve (13) is arranged outside the blood collection needle (10), a hose fixing head (4) is arranged on the side wall of the needle base (5), the connector (6) is arranged below, the connector (6) lower extreme is provided with needle holder (7), be provided with in needle holder (7) blood sampling tube skull (8), be provided with plug (16) in blood sampling tube skull (8), plug (16) lower extreme is provided with vacuum blood sampling tube (9).
2. The vacuum lancing device of claim 1, wherein: the intravenous needle (12) is welded with the intravenous needle base (11), and the intravenous needle base (11) is connected with the needle cap (1) in a sliding way.
3. The vacuum lancing device of claim 1, wherein: the needle holder (7) is connected with the connector (6) through threads, and the needle seat (5) is connected with the connector (6) in a sliding mode.
4. The vacuum lancing device of claim 1, wherein: needle file (5) with blood taking needle (10) butt fusion, needle holder (7) with blood taking tube skull (8) sliding connection.
5. The vacuum lancing device of claim 1, wherein: the spring (15) and the elastic plate (14) are connected in a clamping and pressing mode, and the elastic plate (14) is connected with the latex sleeve (13) in a gluing mode.
6. The vacuum lancing device of claim 1, wherein: the infusion tube (3) is welded with the hose fixing head (4), and the needle seat (5) is connected with the hose fixing head (4) in a sliding manner.
7. The vacuum lancing device of claim 1, wherein: the vacuum blood collection tube (9) is embedded in the rubber plug (16), and the rubber plug (16) is embedded in the blood collection tube head cover (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921578982.7U CN210811105U (en) | 2019-09-23 | 2019-09-23 | Vacuum blood sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921578982.7U CN210811105U (en) | 2019-09-23 | 2019-09-23 | Vacuum blood sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210811105U true CN210811105U (en) | 2020-06-23 |
Family
ID=71276909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921578982.7U Expired - Fee Related CN210811105U (en) | 2019-09-23 | 2019-09-23 | Vacuum blood sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210811105U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113080956A (en) * | 2021-04-09 | 2021-07-09 | 自贡市第一人民医院 | Blood sampling remaining needle |
-
2019
- 2019-09-23 CN CN201921578982.7U patent/CN210811105U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113080956A (en) * | 2021-04-09 | 2021-07-09 | 自贡市第一人民医院 | Blood sampling remaining needle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200623 Termination date: 20210923 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |