CN211985412U - Artery and vein pressure measuring device convenient for blood sampling - Google Patents
Artery and vein pressure measuring device convenient for blood sampling Download PDFInfo
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- CN211985412U CN211985412U CN202020205298.0U CN202020205298U CN211985412U CN 211985412 U CN211985412 U CN 211985412U CN 202020205298 U CN202020205298 U CN 202020205298U CN 211985412 U CN211985412 U CN 211985412U
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- 210000001367 artery Anatomy 0.000 title claims abstract description 25
- 238000010241 blood sampling Methods 0.000 title claims abstract description 16
- 210000003462 vein Anatomy 0.000 title claims abstract description 9
- 239000008280 blood Substances 0.000 claims abstract description 60
- 210000004369 blood Anatomy 0.000 claims abstract description 60
- 238000001802 infusion Methods 0.000 claims abstract description 26
- 238000009530 blood pressure measurement Methods 0.000 claims abstract 2
- 238000011010 flushing procedure Methods 0.000 claims description 11
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 5
- 239000011780 sodium chloride Substances 0.000 claims description 5
- 230000010100 anticoagulation Effects 0.000 claims description 2
- 230000004872 arterial blood pressure Effects 0.000 abstract description 9
- 230000000642 iatrogenic effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 8
- 229920000669 heparin Polymers 0.000 description 6
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 5
- 229960002897 heparin Drugs 0.000 description 5
- 238000004659 sterilization and disinfection Methods 0.000 description 4
- 230000036772 blood pressure Effects 0.000 description 3
- 208000015181 infectious disease Diseases 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000003146 anticoagulant agent Substances 0.000 description 1
- 229940127219 anticoagulant drug Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- ZFGMDIBRIDKWMY-PASTXAENSA-N heparin Chemical group CC(O)=N[C@@H]1[C@@H](O)[C@H](O)[C@@H](COS(O)(=O)=O)O[C@@H]1O[C@@H]1[C@@H](C(O)=O)O[C@@H](O[C@H]2[C@@H]([C@@H](OS(O)(=O)=O)[C@@H](O[C@@H]3[C@@H](OC(O)[C@H](OS(O)(=O)=O)[C@H]3O)C(O)=O)O[C@@H]2O)CS(O)(=O)=O)[C@H](O)[C@H]1O ZFGMDIBRIDKWMY-PASTXAENSA-N 0.000 description 1
- 229960001008 heparin sodium Drugs 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 210000005077 saccule Anatomy 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The utility model discloses a artery and vein pressure measurement device convenient to blood sampling belongs to medical instrument technical field, can not gather the arterial blood sample under airtight condition and increase the risk of infecting and need take out the problem that the diluted blood discarded and easily cause iatrogenic source nature blood loss when solving to the ICU patient when drawing blood at present. The utility model comprises a first cock type three-way joint, a second cock type three-way joint, a central venous connecting pipe and an artery pressure measuring pipe, wherein two ends of the artery pressure measuring pipe are respectively connected with one of the interfaces of the first cock type three-way joint and the second cock type three-way joint, one end of the central venous connecting pipe is connected with one interface of the first cock type three-way joint, and the other end is connected with a central venous catheter; one of the other two interfaces of the second cock type three-way joint is connected with an artery indwelling tube, and the other one is provided with a needleless infusion joint. Through using the utility model discloses blood pollution and the iatrogenic blood loss of avoiding blood sampling to arouse during reducible blood sampling.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, in particular to artery and vein pressure measuring device convenient to blood sampling.
Background
ICU patients are critical in illness state, change quickly, and are complex in medication, and blood pressure monitoring and central venous pressure monitoring are important monitoring means for ICU patients. At present, an ICU (intensive care unit) is usually used for respectively connecting an indwelling arterial catheter and a central venous catheter of a patient with different pressure sensors and pressure flushing devices, is connected with a monitor to carry out continuous invasive blood pressure monitoring and central venous pressure monitoring, and can continuously observe the dynamic change process of a circulatory system and the change of the volume of the patient to guide clinical treatment. The ICU can collect blood samples through the artery catheterization tube to perform blood gas analysis, electrolyte and other experimental monitoring, pain and fear psychology brought to patients by repeated puncture are avoided, the conventional method for collecting the blood samples through the artery catheterization tube is to connect a tee joint to the artery invasive piezometer tube, rotate a three-way switch, open a screw cap, disinfect a tee joint blood collection port, firstly extract 5 ml-10 ml of diluted blood by using an injector and discard the diluted blood, then replace the injector to extract the blood samples for inspection, disinfect the tee joint blood collection port and the screw cap after blood collection and screw the three-way blood collection port tightly, and then wash the blood in the arterial catheter by using pressure of a pressure bag to dilute heparin saline (500 ml of physiological saline and 625 units of heparin sodium).
However, at present, when a blood sample is clinically collected through arterial catheterization, the blood sample cannot be collected under a closed condition by opening the three-way joint screw cap for disinfection, blood pollution is easily caused in the collection process, and the three-way switch screw cap and pressure sensor accessories are also easily polluted, so that the risk of infection is increased. Before the blood sample is collected, in order not to influence the test result, 5 ml-10 ml of diluted blood needs to be drawn out firstly and discarded, and iatrogenic blood loss is easily caused. Two pairs of injectors are needed in the blood sampling process, so that the consumption of materials is increased, and medical resources are wasted. The nurse needs to open the three-way joint screw cap in the blood sample collection process, screw down the screw cap after the operation is finished, need to take a blood sample twice, and disinfection many times, the operation is more loaded down with trivial details.
SUMMERY OF THE UTILITY MODEL
To above not enough, the utility model provides a artery and vein pressure measuring device convenient to blood sampling solves and can not gather arterial blood sample and increase the risk of infection and need take out the problem that the diluted blood discarded and easily cause iatrogenic source nature blood loss under airtight condition when drawing blood to the ICU patient at present.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a arteriovenous pressure measuring device convenient for blood sampling comprises a first cock type three-way connector, a second cock type three-way connector, a central venous connecting pipe and an arterial pressure measuring pipe, wherein two ends of the arterial pressure measuring pipe are respectively connected with one interface of the first cock type three-way connector and one interface of the second cock type three-way connector, the other interface of the first cock type three-way connector is connected with a pressure sensor, one end of the central venous connecting pipe is connected with the last interface of the first cock type three-way connector, and the other end of the central venous connecting pipe is connected with a central venous catheter; one of the other two connectors of the second cock type three-way connector is connected with an artery indwelling tube, and the other connector is provided with a needle-free infusion connector.
Furthermore, the infusion apparatus further comprises a third cock type three-way joint, wherein two interfaces of the third cock type three-way joint are respectively connected with the central venous connecting pipe and the central venous catheter, and the last interface is connected with an infusion bottle through an infusion catheter.
Further, the needleless infusion joint is a positive pressure joint.
Furthermore, the first cock-type three-way joint is also connected with a flushing valve, and the flushing valve and the pressure sensor are connected to one of the interfaces of the first cock-type three-way joint together.
Further, the pressure sensor is connected with the monitor through a data line.
Further, the flush valve is connected with a pressure bag through a catheter, anticoagulation saline is filled in the pressure bag, and a pressure gauge and a pressurizing balloon are connected to the bottom of the pressure bag.
Compared with the prior art, the beneficial effects of the utility model are that:
the second cock type three-way connector is provided with the needleless infusion connector, blood can be directly collected from the needleless infusion connector during blood drawing without screwing off a heparin cap, the operation process is completed under sealing, and various links causing blood pollution in the conventional blood collection operation process are effectively avoided; the central venous connecting pipe is connected with the first cock type three-way joint and the central venous catheter, so that the venous end can be communicated with the arterial end, diluted blood does not need to be pumped out by an injector, and the heparin diluted blood in the arterial pressure measuring pipeline automatically flows back to the central venous catheter to a patient body by utilizing the pressure difference between the artery and the vein, thereby ensuring the quality of a blood collecting sample, avoiding the waste of blood caused by blood sampling without discarding the diluted blood; and can reduce the operation link, also reduce the consumptive material and use, simplify the operating procedure, also reduce the disinfection number of times, practiced thrift nurse operating time, reduce work load, improve work efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
Fig. 1 is a schematic structural view of an embodiment of the present invention;
the labels shown in the figures are: 1-a first cock type three-way joint, 2-a second cock type three-way joint, 3-a third cock type three-way joint, 4-a needleless infusion joint, 5-a central venous connecting pipe, 6-a pressure sensor, 7-a flushing valve, 8-a monitor, 9-a pressure bag, 10-a pressure gauge, 11-a pressurizing saccule, 12-a central venous catheter, 13-an arterial indwelling pipe, 14-an arterial piezometric pipe, 15-an infusion bottle and 16-an infusion catheter.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A arteriovenous pressure measuring device convenient for blood sampling is shown in figure 1 and comprises a first cock type three-way joint 1, a second cock type three-way joint 2, a third cock type three-way joint 3, a central venous connecting pipe 5 and an arterial pressure measuring pipe 14. Two ends of the artery piezometric tube 14 are respectively connected with one interface of the first cock type three-way joint 1 and the second cock type three-way joint 2, the other interface of the first cock type three-way joint 1 is connected with the pressure sensor 6, one of the other two interfaces of the second cock type three-way joint 2 is connected with the artery indwelling tube 13, the other interface is provided with a needle-free infusion joint 4, and the needle-free infusion joint 4 is a positive pressure joint and is used as a blood sampling port; one end of the central venous connecting pipe 5 is connected with the last interface of the first cock-type three-way connector 1, the other end of the central venous connecting pipe is connected with one interface of the third cock-type three-way connector 3, the other two interfaces of the third cock-type three-way connector 3 are respectively connected with the central venous catheter 12 and the infusion catheter 16, the central venous catheter 12 is connected with the venous end of a patient, the infusion catheter 16 is connected with the infusion bottle 15, and the infusion bottle 15 can be connected with one interface of the third cock-type three-way connector 3 when the patient needs infusion and transfusion. When the first cock type three-way connector 1 is rotated, the artery piezometer tube 14 can be communicated with the central venous connecting tube 5.
The first cock type three-way joint 1 is also connected with a flushing valve 7, and the flushing valve 7 and the pressure sensor 6 are jointly connected to one of the interfaces of the first cock type three-way joint 1. The pressure sensor 6 is connected with the monitor 8 through a data line, and the monitor 8 carries out continuous invasive blood pressure monitoring or central venous pressure monitoring. The flushing valve 7 is connected with a pressure bag 9 through a catheter, anticoagulant saline is filled in the pressure bag 9, and a pressure gauge 10 and a pressurizing balloon 11 are connected below the pressure bag 9.
When a blood sample is collected, the first cock type three-way connector 1 is rotated firstly, so that the central venous connecting pipe 5 is communicated with the artery pressure measuring pipe 14, the third cock type three-way connector 3 is rotated to communicate the central venous catheter 12 with the central venous connecting pipe 5, so that the artery end and the vein end of a patient are communicated, and by utilizing the pressure difference between the artery and the vein, the heparin diluted blood in the artery pressure measuring pipe 14 and the central venous connecting pipe 5 automatically flows back to the central venous catheter 12 to about 5-10 ml in the body of the patient, so that the quality of the collected blood sample is ensured, the diluted blood does not need to be discarded, the blood waste caused by blood collection is avoided, an injector required for sucking and diluting the blood is also reduced, and the operation link is also simplified. Then the needleless infusion connector 4 on the second cock type three-way connector 2 connected with the artery piezometer tube 14 is disinfected, the second cock type three-way connector 2 at the end of a patient is rotated to enable the blood taking port to be communicated with the end of the patient, even if the artery indwelling tube 13 is communicated with the needleless infusion connector 4 but not communicated with the artery piezometer tube 14, blood can be directly taken from the needleless infusion connector 4, a heparin cap does not need to be screwed off, the operation process is completed under a closed state, and various links causing blood pollution in the conventional blood taking operation process are effectively avoided.
After blood collection is finished, the first cock type three-way connector 1 is rotated to enable the pressure valve 7 to be communicated with the central venous connecting pipe 5 and the central venous catheter 12 but not communicated with the artery pressure measuring pipe 14, the flushing valve 7 is pressed to enable anti-freezing saline water in the pressure bag 9 to flow into the human venous end, blood in the central venous connecting pipe 5 is flushed out, and if the pressure of the pressure bag 9 is found to be insufficient through the pressure gauge 10, the pressurizing ball bag 11 can be pressed to increase pressure properly. After the venous end is washed, the first cock type three-way connector 1 is rotated again, the pressure valve 7 is communicated with the artery piezometer tube 14 and the artery indwelling tube 13, and the flushing valve 7 is pressed to flush the blood in the artery piezometer tube 14. After the cleaning, each three-way joint is rotated to restore the device to the original shape, so that the monitor 8 continues to monitor.
Compared with the original device, the arteriovenous pressure measuring device convenient for blood sampling does not need to take down the three-way switch screw cap during blood sampling, does not need to worry about the pollution of the three-way switch screw cap, avoids blood pollution and can also avoid iatrogenic blood loss caused by blood sampling. The diluted blood does not need to be drawn out by an injector, so that the operation links and the consumption of consumables are reduced. The operation steps are simplified, the disinfection times are reduced, the operation time of nurses is saved, the workload is reduced, and the work efficiency is improved.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides a sound arteries and veins pressure measurement device convenient to blood sampling, includes first cock formula three way connection (1), second cock formula three way connection (2) and artery pressure-measuring pipe (14), the both ends of artery pressure-measuring pipe (14) are connected respectively one of them interface of first cock formula three way connection (1) and second cock formula three way connection (2), another interface connection of first cock formula three way connection (1) has pressure sensor (6), its characterized in that:
the central venous connection pipe (5) is further included, one end of the central venous connection pipe (5) is connected with the last connector of the first cock type three-way connector (1), and the other end of the central venous connection pipe is connected with a central venous catheter (12);
one of the other two interfaces of the second cock type three-way joint (2) is connected with an arterial indwelling tube (13), and the other one is provided with a needle-free infusion joint (4).
2. The arteriovenous pressure measuring device convenient for blood collection according to claim 1, which is characterized in that: the three-way plug-type infusion device is characterized by further comprising a third plug-type three-way joint (3), wherein two interfaces of the third plug-type three-way joint (3) are respectively connected with the central venous connecting pipe (5) and the central venous catheter (12), and the last interface is connected with an infusion bottle (15) through an infusion catheter (16).
3. The arteriovenous pressure measuring device convenient for blood collection according to claim 1, which is characterized in that: the needleless infusion joint (4) is a positive pressure joint.
4. The arteriovenous pressure measuring device convenient for blood collection according to claim 1, which is characterized in that: the first cock type three-way joint (1) is further connected with a flushing valve (7), and the flushing valve (7) and the pressure sensor (6) are connected to one of the connectors of the first cock type three-way joint (1) together.
5. The arteriovenous pressure measuring device convenient for blood collection according to claim 1, which is characterized in that: the pressure sensor (6) is connected with the monitor (8) through a data line.
6. The arteriovenous pressure measuring device convenient for blood collection according to claim 4, which is characterized in that: the flush valve (7) is connected with a pressure bag (9) through a catheter, anticoagulation saline is filled in the pressure bag (9), and a pressure gauge (10) and a pressurizing balloon (11) are connected to the bottom of the pressure bag (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020205298.0U CN211985412U (en) | 2020-02-25 | 2020-02-25 | Artery and vein pressure measuring device convenient for blood sampling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020205298.0U CN211985412U (en) | 2020-02-25 | 2020-02-25 | Artery and vein pressure measuring device convenient for blood sampling |
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| Publication Number | Publication Date |
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| CN211985412U true CN211985412U (en) | 2020-11-24 |
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| CN202020205298.0U Expired - Fee Related CN211985412U (en) | 2020-02-25 | 2020-02-25 | Artery and vein pressure measuring device convenient for blood sampling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113813456A (en) * | 2021-09-13 | 2021-12-21 | 苏州市立医院 | A medical blood-drawing device that can be automatically clamped |
-
2020
- 2020-02-25 CN CN202020205298.0U patent/CN211985412U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113813456A (en) * | 2021-09-13 | 2021-12-21 | 苏州市立医院 | A medical blood-drawing device that can be automatically clamped |
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| CF01 | Termination of patent right due to non-payment of annual fee |