CN211674269U - Safe blood drawing device - Google Patents
Safe blood drawing device Download PDFInfo
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- CN211674269U CN211674269U CN201922261578.3U CN201922261578U CN211674269U CN 211674269 U CN211674269 U CN 211674269U CN 201922261578 U CN201922261578 U CN 201922261578U CN 211674269 U CN211674269 U CN 211674269U
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Abstract
The utility model belongs to the technical field of medical instruments and discloses a safe blood drawing device, which comprises a needle head, a safety cap, a connecting pipe, a vacuum blood collection tube, a protective sleeve, a first sleeve and a second sleeve; one end of the needle head is arranged in the safety cap, one end of the needle head is communicated with the one-way valve in the safety cap, the other end of the safety cap is connected with the first end of the connecting pipe, and the second end of the connecting pipe is connected with the blood sampling vacuum pipe; the one end of protective sheath is rotated and is set up on the safety helmet, and the protective sheath can rotate relative the safety helmet, and the second sleeve setting is located the end of connecting pipe second end, and the second pipe box cover is located on the vacuum test tube. The blood drawing device is disposable, low in cost and simple in structure; the connecting pipe is made of transparent materials, so that the operation is convenient; the safety blood sampling device is provided with a fixing adhesive tape for fixing the needle head so as to prevent blood sampling failure caused by the falling-off of the needle head; the connecting pipe connected with the needle head is provided with a pipe sleeve, and the pipe sleeve is put down after the needle is pulled out to sleeve the needle head so as to prevent the needle head from stabbing or the needle head from dripping blood.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to safe blood drawing device.
Background
At present, venous blood sampling is an essential blood sampling operation in clinical examination and treatment.
The existing blood sampling device mainly comprises two types, one type is a blood sampling needle, the puncture risk can occur after the needle is pulled out by using the blood sampling needle, blood can drip out from the needle point, the part of the needle tail connected with a blood sampling tube can also drip out when the bleeding is finished, the environment can be polluted by the blood dripping, and cross infection can be caused; and the length of the transparent connecting pipe between the needle head and the tail end is too long, blood can be coagulated in the transparent connecting pipe. The other type is a blood sampling device which comprises a needle holder and a needle head, wherein the needle holder is reused, cross infection is easy to occur, puncture can occur after the needle is pulled out, and due to the reuse, the blood sampling needle and the needle holder are connected unstably and are easy to loosen, so that the blood sampling device is separated from the needle holder, blood sampling failure is caused, and the pain of a patient is increased.
Accordingly, there is a need in the art for a safe bleeding device that addresses the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The blood taking needle in the prior art has the risk of puncture after the needle is pulled out, the environment is polluted by the dripping of blood, cross infection is caused, and the blood is coagulated in the connecting pipe due to the overlong connecting pipe; the blood sampling device is repeatedly used, and the blood sampling needle and the needle holder are easy to loosen, so that the blood sampling device is separated from the needle holder, and blood sampling failure is caused. In order to solve the problems, the utility model provides a safe blood drawing device, which comprises a needle head, a safety cap, a connecting pipe, a vacuum blood taking tube, a protective sleeve, a first sleeve and a second sleeve; one end of the needle head is arranged in the safety cap, one end of the needle head is communicated with the one-way valve in the safety cap, the other end of the safety cap is connected with the first end of the connecting pipe, and the second end of the connecting pipe is connected with the blood sampling vacuum pipe; the first sleeve is inserted and sleeved at the needle head, one end of the protective sleeve is rotatably arranged on the safety helmet and can rotate relative to the safety helmet, and the first sleeve is used for sleeving the needle head after the first sleeve is pulled out so as to prevent the needle head from falling off; the second sleeve pipe sets up the terminal at the connecting pipe second end, and the second sleeve pipe is nested on the vacuum test tube, prevents to drip blood polluted environment or cause cross infection.
In above-mentioned safety blood drawing device's preferred technical scheme, first sleeve pipe is provided with first portion of holding, and when the protective sheath was parallel with the syringe needle, first portion of holding can hold the syringe needle, prevents that the syringe needle from stabbing.
In above-mentioned safe blood drawing device's preferred technical scheme, the second sleeve pipe is provided with the second portion of accommodating, and when the second sleeve pipe was parallel with the vacuum test tube, the second portion of accommodating can hold the vacuum test tube, prevents that the vacuum test tube from dripping blood.
In a preferred embodiment of the above safety blood drawing device, the first end of the safety cap has a diameter larger than the second end of the safety cap.
In the preferred technical scheme of above-mentioned safety device of drawing blood, the safety helmet is provided with the round pin shaft hole, and the protective sheath is provided with the round pin axle, through the cooperation in round pin axle and round pin shaft hole, makes the protective sheath rotate for the safety helmet.
In the preferred technical scheme of above-mentioned safe blood drawing device, safe blood drawing device is still including fixed adhesive tape, and fixed adhesive tape sets up on the connecting pipe for the fixed syringe needle is deviate from and is caused the failure of drawing blood to prevent the syringe needle.
In the preferable technical scheme of the safety blood drawing device, the protective sleeve is of an L-shaped structure.
In a preferred embodiment of the above safety blood drawing device, the second cannula has a semi-cylindrical shape.
In the preferable technical scheme of the safe blood drawing device, the length of the connecting pipe is 5-6 cm.
In the preferable technical scheme of the safety blood drawing device, the connecting pipe is made of transparent materials, so that whether blood in the connecting pipe is coagulated or not can be observed conveniently.
As can be understood by those skilled in the art, in the preferred technical solution of the safety blood drawing device of the present invention, the safety blood drawing device is disposable, has low cost and simple structure, and can effectively avoid the occurrence of cross infection; the connecting pipe is made of transparent materials, so that whether blood drawing succeeds or not can be conveniently observed, and the operation is convenient; the length of the connecting pipe is 5-6cm, so that blood of a patient with poor blood coagulation function is prevented from being coagulated in the connecting pipe; meanwhile, the safety blood sampling device is provided with a fixing adhesive tape for fixing the needle head after the blood sampling is successful so as to prevent the needle head from falling off to cause blood sampling failure; the connecting pipe connected with the needle head is provided with a pipe sleeve, and the pipe sleeve is put down after the needle is pulled out to sleeve the needle head so as to prevent the needle head from stabbing or the needle head from dripping blood. The tail end of the safety blood drawing device is provided with a pipe sleeve which is sleeved on the end part of the vacuum blood drawing tube after the blood drawing is finished so as to prevent the blood dripping from polluting the environment and causing cross infection.
Drawings
Preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural view of an embodiment of the safety blood drawing device of the present invention;
FIG. 2 is a first schematic view of the installation of the safety helmet and the protective sleeve of the present invention;
FIG. 3 is a second schematic view of the safety helmet and the protective cover of the present invention;
reference numerals: 1. a needle head; 2. a safety helmet; 21. a pin shaft hole; 3. a protective sleeve; 31. a pin shaft; 4. a connecting pipe; 5. a first sleeve; 6. a vacuum blood collection tube; 7. a second sleeve.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that in the description of the present invention, the terms "in", "upper", "lower", "inner", etc. indicate directions or positional relationships based on those shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The existing blood taking needle pointed out based on the background technology has the pricking risk after the needle is pulled out, the environment is polluted by the dripping of blood, cross infection is caused, and the blood is solidified in the connecting pipe due to the overlong connecting pipe; the blood sampling device is repeatedly used, the blood sampling needle is easy to loosen from the needle holder, so that the blood sampling device is separated from the needle holder, and the problem of blood drawing failure is caused; the connecting pipe is made of transparent materials, so that whether blood drawing succeeds or not can be conveniently observed, and the operation is convenient; the length of the connecting pipe is 5-6cm, so that blood of a patient with poor blood coagulation function is prevented from being coagulated in the connecting pipe; meanwhile, the safety blood sampling device is provided with a fixing adhesive tape for fixing the needle head after the blood sampling is successful so as to prevent the needle head from falling off to cause blood sampling failure; the connecting pipe connected with the needle head is provided with a pipe sleeve, and the pipe sleeve is put down after the needle is pulled out to sleeve the needle head so as to prevent the needle head from stabbing or the needle head from dripping blood. The tail end of the safety blood drawing device is provided with a pipe sleeve which is sleeved on the end part of the vacuum blood drawing tube after the blood drawing is finished so as to prevent the blood dripping from polluting the environment and causing cross infection.
Specifically, as shown in fig. 1 to 3, the safety blood sampling device of the present invention comprises a needle 1, a safety cap 2, a protective cover 3, a connecting tube 4, a first sleeve 5, a vacuum blood sampling tube 6 and a second sleeve 7; one end of the needle head 1 is arranged in the safety cap 2, one end of the needle head 1 is communicated with the one-way valve in the safety cap 2, the other end of the safety cap 2 is connected with the first end of the connecting pipe 4, and the second end of the connecting pipe 4 is connected with the blood sampling vacuum pipe; the first sleeve 5 is inserted and sleeved at the needle head 1, one end of the protective sleeve 3 is rotatably arranged on the safety helmet 2, the protective sleeve 3 can rotate relative to the safety helmet 2, and the first sleeve is used for sleeving the needle head 1 after the first sleeve 5 is pulled out, so that the needle head 1 is prevented from falling off; the second sleeve 7 is arranged at the tail end of the second end of the connecting pipe 4, and the second sleeve is sleeved on the vacuum blood collection pipe 6 to prevent blood dripping from polluting the environment or causing cross infection. In the present invention, the shape of the safety helmet 2 is cylindrical, and other shapes are certainly possible, and the change of the shape of the safety helmet 2 by those skilled in the art should be limited within the protection scope of the present invention. The structure of the blood sampling vacuum tube is the prior art, and is not described in detail herein. The first sleeve 5 is a hollow columnar structure, the needle head 1 is sleeved with the first sleeve 5, and the second sleeve 7 is connected with the safety cap 2 to prevent the needle head 1 from being polluted.
Preferably, the first sleeve 5 is provided with a first housing capable of housing the needle 1 when the protective sheath 3 is parallel to the needle 1, preventing the needle 1 from being pierced. The first accommodating portion may be a cylindrical hollow structure as long as it can accommodate the needle 1, and may also be in other shapes, and the change of the shape of the first accommodating portion by those skilled in the art should be limited within the protection scope of the present invention.
Preferably, second sleeve 7 is provided with a second accommodating portion capable of accommodating vacuum blood collection tube 6 when second sleeve 7 is parallel to vacuum blood collection tube 6, preventing vacuum blood collection tube 6 from dripping blood. As long as the second containing portion can hold the structure of vacuum test tube 6, the structural change of the second containing portion of technical personnel in the field should all be restricted within the protection scope of the utility model.
Preferably, as shown in fig. 2 and 3, the safety helmet 2 comprises a first end and a second end, both of which are cylindrical structures, and the diameter of the first end of the safety helmet 2 is larger than that of the second end of the safety helmet 2.
Preferably, the safety helmet 2 is provided with a pin 31 hole, the protecting sleeve 3 is provided with a pin 31, and the protecting sleeve 3 is rotated relative to the safety helmet 2 through the matching of the pin 31 and the pin 31 hole.
Preferably, the safety blood drawing device further comprises a fixing adhesive tape, wherein the fixing adhesive tape is arranged on the connecting pipe 4 and is used for fixing the needle 1 so as to prevent the needle 1 from falling off to cause blood drawing failure. The materials of the fixing adhesive plaster are the prior art and are not described in detail herein.
Preferably, the protective sheath 3 is an "L" shaped plate structure.
Preferably, the second casing 7 is of a semi-cylindrical configuration. Of course, the skilled person can change the shape of the second sleeve 7 according to specific situations, and the change is limited within the scope of the present invention.
Preferably, the length of the connecting pipe 4 is 5-6 cm.
Preferably, the connection tube 4 is made of transparent material, and because some patients have poor blood coagulation function, the connection tube 4 made of transparent material can directly observe whether blood in the connection tube 4 is coagulated, so as to ensure successful blood collection.
So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.
Claims (10)
1. A safe blood drawing device is characterized by comprising a needle head, a safety cap, a connecting pipe, a vacuum blood drawing pipe, a protective sleeve, a first sleeve and a second sleeve;
one end of the needle head is arranged in the safety cap, one end of the needle head is communicated with the one-way valve in the safety cap, the other end of the safety cap is connected with the first end of the connecting pipe, and the second end of the connecting pipe is connected with the blood sampling vacuum pipe; the first sleeve is inserted and sleeved at the needle head, one end of the protective sleeve is rotatably arranged on the safety helmet and can rotate relative to the safety helmet, and the first sleeve is used for sleeving the needle head after the first sleeve is pulled out so as to prevent the needle head from falling off; the second sleeve pipe sets up the terminal at the connecting pipe second end, and the second sleeve pipe is nested on the vacuum test tube, prevents to drip blood polluted environment or cause cross infection.
2. A safety blood drawing device according to claim 1 wherein the first cannula is provided with a first receptacle capable of receiving the needle when the protective sleeve is parallel to the needle to prevent needle stick injury.
3. The safety blood drawing device according to claim 1, wherein the second sleeve is provided with a second receiving portion capable of receiving the evacuated blood collection tube when the second sleeve is parallel to the evacuated blood collection tube, thereby preventing the evacuated blood collection tube from dripping blood.
4. A safety blood drawing device according to claim 1 wherein the first end of the safety cap has a diameter greater than the diameter of the second end of the safety cap.
5. A safety blood drawing device according to claim 1, wherein the safety helmet is provided with a pin hole, and the protecting cover is provided with a pin, and the protecting cover is rotated relative to the safety helmet by cooperation of the pin and the pin hole.
6. The safety blood drawing device of claim 1, further comprising a fixing adhesive tape disposed on the connecting tube for fixing the needle to prevent blood drawing failure due to the needle falling out.
7. A safety blood drawing device according to claim 1 wherein the protective sheath is of an "L" configuration.
8. A safety blood drawing device according to claim 1 wherein the second cannula is of semi-cylindrical configuration.
9. A safety blood drawing device according to claim 1 wherein the length of the connecting tube is 5-6 cm.
10. A safety blood drawing device according to claim 1 wherein the connecting tube is made of a transparent material to facilitate observation of whether blood in the connecting tube has coagulated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922261578.3U CN211674269U (en) | 2019-12-12 | 2019-12-12 | Safe blood drawing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922261578.3U CN211674269U (en) | 2019-12-12 | 2019-12-12 | Safe blood drawing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211674269U true CN211674269U (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922261578.3U Active CN211674269U (en) | 2019-12-12 | 2019-12-12 | Safe blood drawing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211674269U (en) |
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2019
- 2019-12-12 CN CN201922261578.3U patent/CN211674269U/en active Active
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