CN217525132U - Closed blood sampling device for arteriovenous indwelling tube - Google Patents
Closed blood sampling device for arteriovenous indwelling tube Download PDFInfo
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- CN217525132U CN217525132U CN202122666446.6U CN202122666446U CN217525132U CN 217525132 U CN217525132 U CN 217525132U CN 202122666446 U CN202122666446 U CN 202122666446U CN 217525132 U CN217525132 U CN 217525132U
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Abstract
The utility model relates to a arteriovenous indwelling tube closed blood sampling device, which comprises a three-way valve, an injector and a blood sampling tube, wherein two injector interfaces are provided, the injector interfaces comprise a first interface and a second interface, the first interface is connected with one end of the valve of the three-way valve through a first blood sampling branch, two ends of the valve of the three-way valve are connected with the end of the arteriovenous indwelling tube, and three ends of the valve of the three-way valve are connected with an invasive blood pressure monitoring device; the second interface is connected with the blood collection tube through a second blood collection branch; the first blood sampling branch and the second blood sampling branch the blood sampling branch circuits are provided with liquid stop valves; the invasive blood pressure monitoring device comprises a pressure sensor and a flushing device, wherein the interface cable end of the pressure sensor is connected with the ECG monitor, and the flushing device is used for flushing the first blood sampling branch. The arteriovenous indwelling catheter closed blood sampling device provided in the technical scheme can effectively solve the problems that the existing blood sampling device needs to be repeatedly punctured, the pain and infection probability of a patient are increased, the blood volume is abandoned, and blood clots are difficult to wash.
Description
Technical Field
The utility model relates to the technical field of medical auxiliary equipment, concretely relates to airtight blood sampling device of pipe is put to sound arteries and veins.
Background
The arteriovenous blood sampling is a process of collecting blood samples through veins and arteries by medical personnel. The blood sampling device commonly used in the hospital at present is a disposable arterial hemostix, which is mainly applied to the collection of arterial blood gas, the using method of the disposable arterial hemostix is that a pintle is pushed to the bottom and then pulled to a preset position, a 3mL arterial hemostix is preset to 1.6mL, a needle protecting cap is removed, an artery is positioned, the hemostix is inserted into the artery at an angle of 45-90 degrees with the skin generally, after a blood taking needle enters the artery, blood naturally flows into the arterial hemostix, air is rapidly discharged through a porous stone, and when the liquid level of the blood reaches the preset position, the porous stone is closed when the liquid level of the blood meets the humidity. The arterial hemostix is pulled out, the puncture part is pressed by sterile gauze for 5 to 10 minutes, and the needle head of the arterial hemostix is vertically inserted into the rubber needle plug. The blood was mixed by inversion 5 times, and the sample was rubbed by hand for 5 seconds to ensure complete action of the anticoagulant, and immediately submitted for analysis.
But the critically ill patient needs to take blood repeatedly, so that the patient can be punctured repeatedly, the pain of the patient is increased, and the infection probability is increased. Secondly, at present, the guardianship room carries out blood gas analysis and normally opens invasive device blood sampling to invasive blood pressure monitoring patient's blood sampling, accomplishes the blood sampling and abandons blood, blood sampling and washing process, abandons the blood volume greatly, forms the blood clot difficult washing, is liable to infect. Therefore, it is necessary to design a new technical solution to comprehensively solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an airtight blood sampling device of pipe is put to arteriovenous can effectively solve current blood sampling device and need puncture repeatedly, increase the painful and infection probability of patient and abandon the problem that the blood volume is big, the blood clot is difficult for washing.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a closed blood sampling device for an arteriovenous indwelling tube comprises a three-way valve, an injector and a blood sampling tube, wherein two injector interfaces are arranged and comprise a first interface and a second interface, the first interface is connected with one end of a valve of the three-way valve through a first blood sampling branch, two ends of the valve of the three-way valve are connected with ends of the arteriovenous indwelling tube, and three ends of the valve of the three-way valve are connected with an invasive blood pressure monitoring device; the second interface is connected with the blood collection tube through a second blood collection branch; the first blood sampling branch and the second blood sampling branch are respectively provided with a liquid stop valve; the invasive blood pressure monitoring device comprises a pressure sensor and a flushing device, wherein an interface cable end of the pressure sensor is connected with the ECG monitor, and the flushing device is used for flushing a first blood sampling branch;
after the arteriovenous indwelling tube end is opened, the liquid stop valve of the first blood sampling branch is opened, after blood enters the injector by about 2ml from the first blood sampling branch, the liquid stop valve of the second blood sampling branch is opened, and the blood enters the hemostix from the second blood sampling branch.
Furthermore, a heparin cap is arranged at the end part of the second blood sampling branch, and the blood sampling tube is connected with the second blood sampling branch through the heparin cap.
Further, the heparin cap is detachably connected with the end part of the second blood sampling branch through a threaded interface.
Furthermore, a closed sterile plastic sleeve is arranged outside the injector.
Furthermore, the liquid stop valve is an infusion dropping speed controller or a Robert clamp.
According to the arteriovenous indwelling tube closed blood sampling device provided by the technical scheme, the three-way valve, the injector and the blood sampling tube are arranged, one end of the valve of the three-way valve is connected with the first interface of the injector through the first blood sampling branch, the second valve of the three-way valve is connected with the end of the arteriovenous indwelling tube, the third valve of the three-way valve is connected with the invasive blood pressure monitoring device, and the second interface of the injector is connected with the hemostix through the second blood sampling branch; after the end of the arteriovenous indwelling pipe is opened, a liquid stop valve of a first blood sampling branch is opened, and at the moment, blood enters an injector from the first blood sampling branch; then, a liquid stop valve of the second blood sampling branch is opened, blood enters the hemostix from the second blood sampling branch, and the whole process is in a sealed and sterile environment, so that the infection can be effectively reduced; simultaneously through being provided with invasive blood pressure monitoring devices, can carry out real-time supervision to patient's blood pressure on the one hand, on the other hand can carry out the washing pipe to first blood sampling branch road, avoids producing in the blood sampling pipeline and abandons blood and blood clot, reduces patient's blood and loses and avoid the formation of dark vein thrombus.
Additionally, the utility model discloses a syringe is as the blood storage device in middle section, treats the blood sampling back that finishes, and the syringe can be collected uncontaminated blood, and can the feedback is internal to the patient after the blood sampling, avoids blood extravagant.
Drawings
Fig. 1 is a schematic structural view of the arteriovenous catheterization closed blood sampling device of the utility model.
In the figure: 1. an injector; 11. a first interface; 12. a second interface; 2. a closed sterile plastic sleeve; 3. a first blood collection branch; 4. a second blood sampling branch; 41. a heparin cap; 5. a first robert clamp; 6. a second Robert clamp; 7. a three-way valve; 71. one end of the valve; 72. two ends of the valve; 73. three ends of the valve; 8. placing the tube end in an artery and vein; 9. invasive blood pressure monitoring devices; 91. a pressure sensor; 92. an electrocardiograph monitor; a washing device; 10. a blood collection tube.
Detailed Description
In order to make the objects and advantages of the present invention more apparent, the present invention will be described in detail with reference to the following embodiments. It is to be understood that the following text is only intended to describe one or several particular embodiments of the invention, and does not strictly limit the scope of the claims specifically claimed.
The technical scheme of the utility model taking is as shown in figure 1, a closed blood sampling device of arteriovenous indwelling catheter, including three-way valve 7, syringe 1 and blood sampling tube 10, syringe 1 interface is equipped with two, including first interface 11 and second interface 12, first interface 11 links to each other with valve one end 71 of three-way valve 7 through first blood sampling branch 3, two valve ends 72 of three-way valve 7 link to each other with arteriovenous indwelling catheter end 8, three valve ends 73 of three-way valve 7 link to each other with invasive blood pressure monitoring device 9; the second port 12 is connected with the blood collection tube 10 through the second blood collection branch 4; the invasive blood pressure monitoring device 9 comprises a pressure sensor 91 and a flushing device 93, wherein an interface cable end of the pressure sensor 91 is connected with the electrocardiogram monitor 92, and the flushing device 93 comprises physiological saline and a pressurizing bag and is used for flushing the first blood sampling branch 3; the second port 12 is connected to the blood collection tube 10 via the second blood collection branch 4.
Specifically, a heparin cap 41 is arranged at the end of the second blood sampling branch 4, the heparin cap 41 is detachably connected with the end of the second blood sampling branch 4 through a threaded interface, and the blood collection tube 10 is connected with the second blood sampling branch 4 through the heparin cap 41; the heparin cap 41 can be replaced, and the use is clean and sanitary without pollution.
In addition, the first blood sampling branch 3 and the second blood sampling branch 4 of the present embodiment are both provided with a liquid stop valve, and in the present embodiment, both robert clamps are adopted as the liquid stop valves (or a transfusion dripping speed controller can be selected); in addition, in order to prevent pollution, a closed sterile plastic sleeve 2 is arranged outside the injector 1, so that the whole blood sampling process is ensured to be in a sealed and sterile environment, and the infection can be effectively reduced.
When the arteriovenous indwelling tube closed blood sampling device is used, the three-way valve 7 is adjusted to close the end 9 of the invasive blood pressure monitoring device, after the end 8 of the arteriovenous indwelling tube is opened, the first Robert clamp 5 of the first blood sampling branch 3 is opened, and blood enters the syringe 1 from the end of the arteriovenous indwelling tube by about 2 mL; the second robert clamp 6 of the second blood collection branch 4 is opened and blood enters the hemostix through the second blood collection branch 4. When the pipeline needs to be flushed, the three-way valve 7 is adjusted to close the 8 ends of the arteriovenous indwelling pipe ends, and the flushing device flushes the first blood sampling branch 3, so that the pipeline is prevented from being blocked and blood clots are formed, and the infection and deep venous thrombosis are reduced.
The above detailed description of the embodiments of the present invention has been provided with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and those skilled in the art can make several equivalent transformations and substitutions without departing from the principles of the present invention after learning the contents of the present invention.
Claims (5)
1. The utility model provides a vein puts airtight blood sampling device of pipe which characterized in that: the blood sampling device comprises a three-way valve, two injectors and two blood sampling tubes, wherein the two injectors are provided and comprise a first interface and a second interface, the first interface is connected with one valve end of the three-way valve through a first blood sampling branch, the two valve ends of the three-way valve are connected with arteriovenous tube ends, and the three valve ends of the three-way valve are connected with an invasive blood pressure monitoring device; the second interface is connected with the blood collection tube through a second blood collection branch; the first blood sampling branch and the second blood sampling branch are respectively provided with a liquid stop valve; the invasive blood pressure monitoring device comprises a pressure sensor and a flushing device, wherein an interface cable end of the pressure sensor is connected with the ECG monitor, and the flushing device is used for flushing a first blood sampling branch;
after the arteriovenous indwelling tube end is opened, the liquid stopping valve of the first blood sampling branch is opened, after blood enters the injector for the preset volume from the first blood sampling branch, the liquid stopping valve of the second blood sampling branch is opened, and the blood enters the hemostix from the second blood sampling branch.
2. The arteriovenous indwelling tube closed blood collection device according to claim 1, which is characterized in that: the end part of the second blood sampling branch is provided with a heparin cap, and the blood sampling tube is connected with the second blood sampling branch through the heparin cap.
3. The arteriovenous indwelling tube closed blood sampling device of claim 2, which is characterized in that: the heparin cap is detachably connected with the end part of the second blood sampling branch through a threaded connector.
4. The arteriovenous indwelling tube closed blood sampling device according to claim 1, which is characterized in that: the syringe is externally provided with a closed sterile plastic sleeve.
5. The arteriovenous indwelling tube closed blood collection device according to claim 1, which is characterized in that: the liquid stop valve is an infusion dripping speed controller or a Robert clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122666446.6U CN217525132U (en) | 2021-11-02 | 2021-11-02 | Closed blood sampling device for arteriovenous indwelling tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122666446.6U CN217525132U (en) | 2021-11-02 | 2021-11-02 | Closed blood sampling device for arteriovenous indwelling tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217525132U true CN217525132U (en) | 2022-10-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122666446.6U Active CN217525132U (en) | 2021-11-02 | 2021-11-02 | Closed blood sampling device for arteriovenous indwelling tube |
Country Status (1)
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| CN (1) | CN217525132U (en) |
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2021
- 2021-11-02 CN CN202122666446.6U patent/CN217525132U/en active Active
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