CN215738991U - Disposable anti-reflux blood taking needle - Google Patents
Disposable anti-reflux blood taking needle Download PDFInfo
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- CN215738991U CN215738991U CN202121657320.6U CN202121657320U CN215738991U CN 215738991 U CN215738991 U CN 215738991U CN 202121657320 U CN202121657320 U CN 202121657320U CN 215738991 U CN215738991 U CN 215738991U
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- sampling cavity
- reflux
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Abstract
The utility model relates to the technical field of anti-reflux blood taking needles, and discloses a disposable anti-reflux blood taking needle, which solves the problem that when a puncture needle head on the current market is pulled out of a negative pressure blood taking container, blood in the blood taking needle is easy to generate a reflux phenomenon, so that the blood returns to the body again to cause infection; the blood collection device has the advantages that the blood is blocked by the circular gasket, and the blood backflow is avoided, so that the effect of improving the sanitation and safety during blood collection is achieved.
Description
Technical Field
The utility model belongs to the technical field of anti-reflux blood taking needles, and particularly relates to a disposable anti-reflux blood taking needle.
Background
The blood taking needle is an instrument for collecting blood samples in the medical examination process and comprises a needle head and a needle rod, wherein the needle head is arranged at the head part of the needle rod, a protective sleeve is connected on the needle rod in a sliding way, a return spring is arranged between the protective sleeve and the needle rod, and the initial position of the protective sleeve is positioned at the head parts of the needle head and the needle rod.
When the existing blood taking needle is used, when a puncture needle head is pulled out of a negative pressure blood taking container, the blood inside the blood taking needle is easy to generate a reverse flow phenomenon, so that the blood returns to the body again to cause infection.
A disposable anti-reflux blood collection needle is proposed for this purpose.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a disposable anti-reflux blood taking needle, which effectively solves the problem that when a puncture needle head on the market is pulled out of a negative pressure blood taking container, the blood in the blood taking needle is easy to generate a reflux phenomenon, so that the blood returns to the body again to cause infection.
In order to achieve the purpose, the utility model provides the following technical scheme: disposable prevents blood taking needle against current, including the vein needle file, the one end of vein needle file is provided with the hose, the one end fixedly connected with blood sampling cavity of vein needle file is kept away from to the hose, the inside of blood sampling cavity is provided with circular gasket, a lateral wall of circular gasket is seted up flutedly, the side fixedly connected with puncture needle file of blood sampling cavity.
Preferably, the other end of the vein needle seat is fixedly connected with a vein needle head, and the side end of the puncture needle seat is fixedly connected with a puncture needle head.
Preferably, the inner side wall of the blood sampling cavity is fixedly connected with a support column, and one end, far away from the inner side wall of the blood sampling cavity, of the support column is attached to the inside of the groove.
Preferably, the inner wall of the blood sampling cavity is fixedly connected with an annular stop dog, and the side wall of the annular stop dog is attached to the other side wall of the circular gasket.
Preferably, the blood sampling cavity is communicated with the puncture needle seat through a connecting pipe.
Preferably, the outer surface of the intravenous needle is provided with a first protective sleeve, and the outer surface of the puncture needle is provided with a second protective sleeve.
Compared with the prior art, the utility model has the beneficial effects that:
1) during operation, the blood sampling cavity and the circular gasket enable the device to guide the blood entering from the vein needle into the negative pressure blood sampling container through the blood sampling cavity when in use, and the circular gasket can block the blood after the blood sampling is finished, so that the blood backflow is avoided, and the effect of increasing the sanitation and safety during the blood sampling is achieved;
2) the utility model discloses a blood collection device, including the device, the device is including the circular gasket, through support column, annular dog, make the device can carry on spacingly to the circular gasket when using, make the device blood can promote the direction of puncture needle file all around with the circular gasket under the traction of negative pressure container when taking a blood sample, thereby make the device can gather blood, after blood collection is finished, the inside blood of blood collection cavity can block blood because annular dog and circular gasket's cooperation, avoid blood to take place counter current phenomenon.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic view of the overall structure of a first view angle of the present invention;
FIG. 2 is a schematic view of the overall structure of a second perspective of the present invention;
FIG. 3 is a side view of the overall structure of the present invention;
FIG. 4 is a cross-sectional view of the structure of FIG. 3 taken along line A-A thereof in accordance with the present invention;
in the figure: 1. a venous needle seat; 2. a venous needle; 3. a hose; 4. a blood sampling cavity; 5. a puncture needle seat; 6. a puncture needle head; 7. a support pillar; 8. a circular gasket; 9. an annular stop block; 10. a groove; 11. and (4) connecting the pipes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the embodiment, as shown in fig. 1-4, the utility model includes a vein needle base 1, a flexible tube 3 is arranged at one end of the vein needle base 1, the device can rotate when in use through the flexible tube 3, thereby facilitating the use of the device, a blood sampling cavity 4 is fixedly connected at one end of the flexible tube 3 far away from the vein needle base 1, the blood sampling cavity 4 is used for playing a transfer effect on blood sampling, meanwhile, the collected blood can be prevented from flowing backwards, a circular gasket 8 is arranged inside the blood sampling cavity 4, the device can guide the blood entering from a vein needle 2 into a negative pressure blood sampling container through the blood sampling cavity 4 when in use through the circular gasket 8, and the blood can be blocked through the circular gasket 8 after the blood sampling is finished, so as to avoid the blood flowing backwards, thereby achieving the effect of increasing sanitation and safety when in blood sampling, a groove 10 is arranged on one side wall of the circular gasket 8, the side end of the blood sampling cavity 4 is fixedly connected with a puncture needle seat 5, so that the device is convenient to use.
Wherein, the other end of the vein needle seat 1 is fixedly connected with a vein needle head 2, and the side end of the puncture needle seat 5 is fixedly connected with a puncture needle head 6; make the device can gather by the person's of gathering blood through vein syringe needle 2, make the device can pierce through the blood sampling container of negative pressure through puncture syringe needle 6 to the device of being convenient for is stored blood.
Wherein, the inner side wall of the blood sampling cavity 4 is fixedly connected with a support column 7, and one end of the support column 7 far away from the inner side wall of the blood sampling cavity 4 is jointed with the inside of the groove 10; the device is enabled to support the circular gasket 8 through the support column 7, so that the device can block the blood from flowing backwards conveniently.
Wherein, the inner wall of the blood sampling cavity 4 is fixedly connected with an annular stop dog 9, and the side wall of the annular stop dog 9 is attached to the other side wall of the circular gasket 8; the circular gasket 8 is blocked by the device through the annular stop 9, so that the device can block the blood from flowing backwards conveniently.
Wherein, the blood sampling cavity 4 is communicated with the puncture needle seat 5 through a connecting pipe 11; the device is convenient for collecting blood.
Wherein, the outer surface of the intravenous needle head 2 is provided with a first protective sleeve, and the outer surface of the puncture needle head 6 is provided with a second protective sleeve; the intravenous needle 2 and the puncture needle 6 are protected.
The working principle is as follows: when the device works, firstly, the blood entering from the intravenous needle 2 can be guided into the negative pressure blood sampling container through the blood sampling cavity 4 and the circular gasket 8 when the device is used, and the blood can be blocked through the circular gasket 8 after the blood sampling is finished, so that the blood backflow is avoided, and the effect of increasing the sanitation and safety during the blood sampling is achieved;
through support column 7, annular dog 9, make the device can carry on spacingly to circular gasket 8 when using, make the device blood can promote circular gasket 8 around to the direction of puncture needle file 5 under the traction of negative pressure container when taking a blood sample, thereby make the device can gather blood, after blood collection is finished, the inside blood of blood sampling cavity 4 can block blood because annular dog 9 and circular gasket 8's cooperation, avoid blood to take place the phenomenon against the current.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Disposable prevents blood taking needle against current, including vein needle file (1), its characterized in that: the one end of vein needle file (1) is provided with hose (3), one end fixedly connected with blood sampling cavity (4) of vein needle file (1) are kept away from in hose (3), the inside of blood sampling cavity (4) is provided with circular gasket (8), recess (10) are seted up to a lateral wall of circular gasket (8), the side fixedly connected with puncture needle file (5) of blood sampling cavity (4).
2. The disposable anti-reflux blood collection needle according to claim 1, wherein: the other end of the vein needle seat (1) is fixedly connected with a vein needle head (2), and the side end of the puncture needle seat (5) is fixedly connected with a puncture needle head (6).
3. The disposable anti-reflux blood collection needle according to claim 1, wherein: the inner side wall of the blood sampling cavity (4) is fixedly connected with a supporting column (7), and one end, far away from the inner side wall of the blood sampling cavity (4), of the supporting column (7) is attached to the inside of the groove (10).
4. The disposable anti-reflux blood collection needle according to claim 1, wherein: the inner wall of the blood sampling cavity (4) is fixedly connected with an annular stop dog (9), and the side wall of the annular stop dog (9) is attached to the other side wall of the circular gasket (8).
5. The disposable anti-reflux blood collection needle according to claim 1, wherein: the blood sampling cavity (4) is communicated with the puncture needle seat (5) through a connecting pipe (11).
6. The disposable anti-reflux blood collection needle according to claim 2, wherein: the outer surface of the intravenous needle head (2) is provided with a first protective sleeve, and the outer surface of the puncture needle head (6) is provided with a second protective sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121657320.6U CN215738991U (en) | 2021-07-21 | 2021-07-21 | Disposable anti-reflux blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121657320.6U CN215738991U (en) | 2021-07-21 | 2021-07-21 | Disposable anti-reflux blood taking needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215738991U true CN215738991U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121657320.6U Active CN215738991U (en) | 2021-07-21 | 2021-07-21 | Disposable anti-reflux blood taking needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215738991U (en) |
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2021
- 2021-07-21 CN CN202121657320.6U patent/CN215738991U/en active Active
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