CN211022714U - Three-way vacuum blood sampling auxiliary tool for preventing blood pollution by connecting needleless connector - Google Patents
Three-way vacuum blood sampling auxiliary tool for preventing blood pollution by connecting needleless connector Download PDFInfo
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- CN211022714U CN211022714U CN201921943987.5U CN201921943987U CN211022714U CN 211022714 U CN211022714 U CN 211022714U CN 201921943987 U CN201921943987 U CN 201921943987U CN 211022714 U CN211022714 U CN 211022714U
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- blood
- needle holder
- needleless connector
- pollution
- blood sampling
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Abstract
The utility model discloses a connect three-way vacuum blood sampling appurtenance of needleless connector prevention blood pollution, including needle holder and vacuum test tube, needle holder one end fixed mounting has the needleless connector, and the one end fixed mounting that the needleless connector was kept away from to the needle holder has the syringe, and one side fixed mounting of needle holder has the scarf, and the one end fixed mounting that the needle holder was kept away from to the scarf has the blood sampling hose. The utility model has the advantages that: the utility model discloses can the lug connection needleless connector carry out vacuum blood sampling, need not relapse the attach fitting when taking a blood sample, multinomial operation is directly accomplished to an instrument, when necessary, can need not abandon the blood that draws out, and this blood is because of not contacting with the air, so be sterile condition, and can lug connection vacuum blood sampling tube, guarantee the accuracy of taking a blood sample, make the blood culture sample contactless air of gathering, more can reduce the chance that the link pollutes, reduce the false positive rate that the blood was cultivateed.
Description
Technical Field
The utility model relates to a blood sampling appurtenance, in particular to connect three-way vacuum blood sampling appurtenance of needleless connector prevention blood pollution belongs to blood sampling appurtenance technical field.
Background
In the existing life, along with the increase of clinical deep vein catheterization, especially PICC, when patient's peripheral vein condition is not good, or during patient's critical period, need a large amount of blood samples to carry out the assay, assist patient's diagnosis and treatment, several ways of collecting blood samples are pointed out in 2016 year's vein diagnosis and treatment guide, including from needleless connector department. At present, a blood sampling needle holder in clinical use does not have a vacuum blood sampling needle holder which can be connected with a needleless connector, one side of all the needle holders is a needle head, and the other side of the needle holders is connected with a vacuum blood sampling tube.
If 3-4ml of blood needs to be extracted and discarded before the blood sample is extracted from the deep vein without the needle joint, and then the blood sample needed for blood extraction is extracted again, for example, the extracted 3-4ml of blood does not contain heparin or contra-drugs, the blood sample can be injected into a patient body, the loss of the blood of the patient is reduced, the pollution is easily caused, and the blood source pollution is easily caused due to carelessness when the part of blood is discarded. In addition, only an empty needle can be used for extracting blood from a deep vein, the amount of the blood is determined by eyesight, waste is often generated, the cap plug of the vacuum blood collection tube needs to be opened, and inaccurate test is caused on the other hand.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the defects of the prior art, and provide a three-way vacuum blood sampling auxiliary tool for preventing blood pollution by connecting a needleless connector.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a connect tee bend vacuum blood sampling appurtenance of needleless connector hemostasis by accident pollution prevention, including needle holder and vacuum test tube, needle holder one end fixed mounting has needleless connector, the needle holder is kept away from needleless connector's one end fixed mounting has the syringe, one side fixed mounting of needle holder has the scarf, the one end fixed mounting that needle holder was kept away from to the scarf has the blood sampling hose, the one end and the vacuum test tube fixed connection of scarf are kept away from to the blood sampling hose, the inside one side fixed mounting who is close to the scarf of needle holder has the column spinner, it has the rotation axis to peg graft in the column spinner outside, column spinner and rotation axis sliding connection, rotation axis one side fixed mounting has the valve plate, one side fixed mounting that the column spinner was kept away from to the valve plate.
As an optimized proposal of the utility model, the outside of the knob is provided with wave-shaped stripes.
As a preferred scheme of the utility model, the diameter of valve plate equals the diameter of needle holder inner wall.
As a preferred scheme of the utility model, the area of the valve plate close to one side of the inclined joint is equal to the area of the connection part of the inclined joint and the needle holder.
As a preferred scheme of the utility model, the connection between the needle holder and the needleless connector and the connection between the needle holder and the injector are detachable.
As an optimized proposal of the utility model, the blood sampling hose and the inclined joint are detachably connected.
As a preferred scheme of the utility model, the needle holder is near one side of the rotating column and is provided with a 90-degree rotating groove on the outer side of the rotating shaft.
The utility model discloses the beneficial effect who reaches is:
the utility model discloses can the lug connection needleless connector carry out vacuum blood sampling, need not relapse the attach fitting when taking a blood sample, multinomial operation is directly accomplished to an instrument, when necessary, can need not abandon the blood that draws out, and this blood is because of not contacting with the air, so be sterile condition, and can lug connection vacuum blood sampling tube, guarantee the accuracy of taking a blood sample, make the blood culture sample contactless air of gathering, more can reduce the chance that the link pollutes, reduce the false positive rate that the blood was cultivateed.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a cross-sectional view of the present invention;
fig. 3 is a partial cross-sectional view of the present invention;
fig. 4 is an enlarged view of a portion a of fig. 2 according to the present invention.
In the figure, 1, a needle holder; 2. a needleless connector; 3. an injector; 4. an oblique joint; 5. a blood collection hose; 6. a vacuum blood collection tube; 7. a spin column; 8. a rotating shaft; 9. a valve plate; 10. a knob.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Examples
As shown in fig. 1-4, the utility model provides a connect three-way vacuum blood sampling appurtenance of needleless connector blood pollution prevention, including needle holder 1 and vacuum blood sampling pipe 6, needle holder 1 one end fixed mounting has needleless connector 2, needle holder 1 keeps away from the one end fixed mounting of needleless connector 2 has syringe 3, one side fixed mounting of needle holder 1 has scarf 4, one end fixed mounting that needle holder 1 was kept away from to scarf 4 has blood sampling hose 5, blood sampling hose 5 keeps away from the one end and the vacuum blood sampling pipe 6 fixed connection of scarf 4, needle holder 1 is inside to be close to one side fixed mounting of scarf 4 has column spinner 7, the rotation axis 8 has been pegged graft in the column spinner 7 outside, column spinner 7 and rotation axis 8 sliding connection, rotation axis 8 one side fixed mounting has valve plate 9, one side fixed mounting that column spinner 7 was kept away from to valve plate 9 has knob 10.
The wavy stripes are arranged on the outer side of the knob 10, so that slipping caused by rotation of the knob 10 by doctors and nurses can be avoided; the diameter of the valve plate 9 is equal to that of the inner wall of the needle holder 1, so that the valve plate 9 can block the blood circulation inside the needle holder 1; the area of one side of the valve plate 9 close to the inclined joint 4 is equal to the area of the connection part of the inclined joint 4 and the needle holder 1, so that the valve plate 9 can block the blood circulation in the inclined joint 4; the needle holder 1 and the needleless connector 2 and the needle holder 1 and the injector 3 are detachably connected, so that different injectors 3 can be replaced by the needle holder 1, and the blood sampling hose 5 and the inclined connector 4 are detachably connected, so that the inclined connector 4 can be mounted on the body of a patient without being hindered by the blood sampling hose 5; the needle holder 1 is provided with a 90-degree rotary groove on one side close to the rotary column 7 and positioned on the outer side of the rotary shaft 8, but the valve plate 9 is provided with a 90-degree rotary space.
Specifically, when the utility model is used, one end of a needle holder 1 is connected with a needle-free connector 2 of a deep vein, the other end is provided with an injector 3, a blood sampling hose 5 and a vacuum blood sampling tube 6 can be connected together by an inclined connector 4, when a patient needs to take blood by the injector 3, a knob 10 can be rotated firstly to block the inclined connector 4 by a valve plate 9, the blood flows into one side of the needle holder 1 close to the injector 3, then the knob 10 is rotated again to block the blood circulation inside the needle holder 1, the blood can not continuously flow into one side of the needle holder 1 close to the injector 3, then the blood in the needle holder 1 close to one side of the needle holder 1 is sucked into the injector 3 by the injector 3, the test is convenient, when the blood sampling tube 6 needs to take blood, the valve plate 9 can be rotated into the needle holder 1 by the knob 10, then the blood sampling hose 5 is used to connect the inclined connector 4 with the vacuum blood sampling tube 6, the blood is made to flow into the vacuum blood collection tube 6 under the action of vacuum, and the blood collection tube 5 is pulled out after the blood collection is finished. The utility model discloses a can directly be connected with needleless connector 2, need not expose the air just can the vacuous mode blood sampling, guarantee the accuracy of chemical examination result promptly, avoid the blood source again to pollute and the emergence chance that nurse's acupuncture was hindered. The efficiency of nurse's blood drawing has been improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a connect three-way vacuum blood sampling appurtenance of needleless connector prevention blood pollution, includes needle holder (1) and vacuum test tube (6), its characterized in that: one end of the needle holder (1) is fixedly provided with a needleless connector (2), one end of the needle holder (1) far away from the needleless connector (2) is fixedly provided with an injector (3), an inclined joint (4) is fixedly arranged on one side of the needle holder (1), a blood sampling hose (5) is fixedly arranged at one end of the inclined joint (4) far away from the needle holder (1), one end of the blood sampling hose (5) far away from the inclined joint (4) is fixedly connected with the vacuum blood sampling tube (6), a rotating column (7) is fixedly arranged on one side of the inner part of the needle holder (1) close to the inclined joint (4), a rotating shaft (8) is inserted outside the rotating column (7), the rotating column (7) is connected with the rotating shaft (8) in a sliding way, and a valve plate (9) is fixedly mounted on one side of the rotating shaft (8), and a knob (10) is fixedly mounted on one side, far away from the rotating column (7), of the valve plate (9).
2. The three-way vacuum blood collection auxiliary tool for preventing blood pollution by connecting a needleless connector according to claim 1, wherein the outside of the knob (10) is provided with wave-shaped stripes.
3. The three-way vacuum blood collection auxiliary tool for preventing blood pollution when being connected with a needleless connector according to claim 1, wherein the diameter of the valve plate (9) is equal to the diameter of the inner wall of the needle holder (1).
4. The three-way vacuum blood collection auxiliary tool for preventing blood pollution by connecting the needle-free joint is characterized in that the area of the side, close to the inclined joint (4), of the valve plate (9) is equal to the area of the connection part of the inclined joint (4) and the needle holder (1).
5. The three-way vacuum blood collection auxiliary tool for preventing blood pollution when being connected with a needleless connector according to claim 1, wherein the needle holder (1) and the needleless connector (2) and the needle holder (1) and the injector (3) are detachably connected.
6. The three-way vacuum blood collection auxiliary tool for preventing blood pollution by connecting a needleless connector according to claim 1, wherein the blood collection hose (5) and the inclined connector (4) are detachably connected.
7. The three-way vacuum blood collection auxiliary tool for preventing blood pollution by connecting a needleless connector according to claim 1, wherein a 90-degree rotary groove is cut on one side of the needle holder (1) close to the rotary column (7) and on the outer side of the rotary shaft (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921943987.5U CN211022714U (en) | 2019-11-12 | 2019-11-12 | Three-way vacuum blood sampling auxiliary tool for preventing blood pollution by connecting needleless connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921943987.5U CN211022714U (en) | 2019-11-12 | 2019-11-12 | Three-way vacuum blood sampling auxiliary tool for preventing blood pollution by connecting needleless connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211022714U true CN211022714U (en) | 2020-07-17 |
Family
ID=71561074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921943987.5U Expired - Fee Related CN211022714U (en) | 2019-11-12 | 2019-11-12 | Three-way vacuum blood sampling auxiliary tool for preventing blood pollution by connecting needleless connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211022714U (en) |
-
2019
- 2019-11-12 CN CN201921943987.5U patent/CN211022714U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 Termination date: 20211112 |