CN217611041U - Invasive blood pressure sensor with blood storage bypass - Google Patents
Invasive blood pressure sensor with blood storage bypass Download PDFInfo
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- CN217611041U CN217611041U CN202123441754.5U CN202123441754U CN217611041U CN 217611041 U CN217611041 U CN 217611041U CN 202123441754 U CN202123441754 U CN 202123441754U CN 217611041 U CN217611041 U CN 217611041U
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- screw injector
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- 239000008280 blood Substances 0.000 title claims abstract description 67
- 210000004369 blood Anatomy 0.000 title claims abstract description 67
- 230000036772 blood pressure Effects 0.000 title claims abstract description 52
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 238000012544 monitoring process Methods 0.000 claims abstract description 13
- 210000004204 blood vessel Anatomy 0.000 claims abstract description 12
- 238000010241 blood sampling Methods 0.000 claims abstract description 11
- 241001411320 Eriogonum inflatum Species 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 15
- 238000001802 infusion Methods 0.000 claims description 10
- 238000012546 transfer Methods 0.000 claims description 5
- 208000001848 dysentery Diseases 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims 2
- 229920001296 polysiloxane Polymers 0.000 claims 2
- 230000000642 iatrogenic effect Effects 0.000 abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 239000000741 silica gel Substances 0.000 description 8
- 229910002027 silica gel Inorganic materials 0.000 description 8
- 239000003814 drug Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000002788 crimping Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 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 1
- 230000004872 arterial blood pressure Effects 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000035487 diastolic blood pressure Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 229960002897 heparin Drugs 0.000 description 1
- 229920000669 heparin Polymers 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035488 systolic blood pressure Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The utility model discloses an invasive blood pressure sensor of area blood storage bypass, it includes: the bottle stopper puncture outfit, the dropping funnel, the transfusion regulator, the pressure sensor, the transmission pipeline and the blood storage bypass; the transmission pipeline includes: a transfusion tube, a luer connector and a blood sampling valve; the blood storage bypass comprises: the device comprises a first screw injector, a second screw injector, a first three-way valve and a second three-way valve; the invasive blood pressure sensor with a blood storage bypass comprises two modes: in the blood pressure monitoring mode, the pressure sensor is connected with the outer end of a catheter connected into the blood vessel of a patient through a transmission pipeline and a luer connector thereof; in a blood sample collection mode, the first screw injector and the second screw injector are connected with the outer end of a catheter connected into a patient blood vessel through a transmission pipeline and a luer connector thereof by adjusting the steering switches of the first three-way valve and the second three-way valve, and the connection between the pressure sensor and the luer connector is disconnected. The application can reduce the occurrence of iatrogenic blood loss complications.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a noninvasive blood pressure sensor of area blood storage bypass.
Background
The invasive blood pressure sensor is widely applied to the operation process because the blood pressure change of a patient can be monitored in real time, the invasive blood pressure sensor is used for puncturing a catheter into a blood vessel of a detected part, the outer end of the catheter is directly connected with the invasive blood pressure sensor, and the fluid has the pressure transmission effect, so that the pressure in the blood vessel is transmitted to the external pressure sensor through the liquid in the catheter, thereby obtaining the change signal of the real-time pressure in the blood vessel, and obtaining the systolic pressure, the diastolic pressure and the like of the blood vessel of the detected part through the specific algorithm of a blood pressure monitoring instrument.
The invasive blood pressure sensor in the prior art has no closed storage container, and when a patient clinically collects blood samples through the invasive blood pressure sensor, the collected proximal blood has residue, so that the obtained blood sample analysis data can not be clinically used. Therefore, before blood sample collection is clinically carried out through the invasive blood pressure sensor, the residual in the transmission pipeline and the blood near the patient need to be firstly pumped out, and then the blood sample collection is carried out. In general, the extracted proximal blood of the patient is easily polluted because of being exposed to a susceptible environment, and the proximal blood is discarded and cannot be returned to the patient, so that the patient needing frequent blood sample collection is easily subjected to iatrogenic blood loss complications.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide an invasive blood pressure sensor with a blood storage bypass to solve the problem that the invasive blood pressure sensor in the prior art cannot store the blood of the near end of the patient in a closed manner, wherein:
according to the embodiment of the utility model provides a take invasive blood pressure sensor of blood storage bypass is provided, it includes: the device comprises a bottle stopper puncture outfit, a dropping funnel, an infusion regulator, a pressure sensor, a transmission pipeline and a blood storage bypass; the transfer line includes: a transfusion tube, a luer connector and a blood sampling valve; the blood storage bypass includes: the device comprises a first screw injector, a second screw injector, a first three-way valve and a second three-way valve; the first screw injector is connected with the first three-way valve, the second screw injector is connected with the second three-way valve, and the first three-way valve and the second three-way valve are provided with steering switches; the pressure sensor is arranged on the transmission pipeline and is positioned between the first three-way valve of the blood storage bypass and the infusion regulator; the invasive blood pressure sensor with the blood storage bypass comprises two modes: blood pressure monitoring mode and blood sample collection mode: in a blood pressure monitoring mode, the pressure sensor is connected with the outer end of a catheter which is connected into a patient blood vessel through the transmission pipeline and the luer thereof; in a blood sample collection mode, the first screw injector and the second screw injector are connected with the outer end of a catheter connected into a patient blood vessel through the transmission pipeline and the luer thereof by adjusting the steering switches of the first three-way valve and the second three-way valve, and the connection between the pressure sensor and the luer is disconnected.
The first three-way valve comprises a first joint, a second joint and a third joint, the first joint of the first three-way valve is connected with the pressure sensor through a liquid conveying pipe, the second joint of the first three-way valve is connected with the first screw injector, and the third joint of the first three-way valve is connected with the second three-way valve; the second three-way valve comprises a first joint, a second joint and a third joint, the first joint of the second three-way valve is connected with the third joint of the first three-way valve, the second joint of the second three-way valve is connected with the second screw injector, and the third joint of the second three-way valve is connected to the Ruhr joint of the transmission pipeline through a liquid conveying pipe; in a blood pressure monitoring mode, the first joint and the third joint of the first three-way valve are communicated; the first joint and the third joint of the second three-way valve are communicated; in a blood sample collection mode, the third joint and the second joint of the first three-way valve are communicated, and the third joint and the first joint of the first three-way valve are closed; and the first joint, the second joint and the third joint of the second three-way valve are communicated.
Wherein the invasive blood pressure sensor with blood storage bypass further comprises: the pressure sensor, the first screw injector, the second screw injector, the first three-way valve and the second three-way valve are fixed on the fixing plate.
Wherein the volume of the first screw injector is smaller than the volume of the second screw injector.
The core rod and the outer sleeve of the first screw injector are wrapped with a silica gel sleeve in a crimping mode, and the core rod and the outer sleeve of the second screw injector are wrapped with a silica gel sleeve in a crimping mode.
The transmission pipeline is further provided with a blood sampling valve, and the blood sampling valve is located between the second three-way valve and a Ruhr joint of the transmission pipeline.
Wherein, the pressure sensor is connected with a cable.
According to the technical scheme of the utility model, the simple operation of invasive blood pressure sensor accessible is changed between blood pressure monitoring mode and blood sample collection mode. The blood storage bypass is arranged on the transmission pipeline, and the liquid in the transmission pipeline and the blood near the end of the patient are respectively stored through the first screw injector and the second screw injector of the blood storage bypass; after the blood pressure sampling is finished, the near-end blood stored in the second screw injector can be pushed back into the body of the patient, and the occurrence of iatrogenic blood loss complications can be reduced for the patient needing to repeatedly carry out blood sample collection.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
fig. 1 is a schematic diagram of an invasive blood pressure sensor with a blood storage bypass according to an embodiment of the present invention.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. 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.
The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Referring to fig. 1, an invasive blood pressure sensor with a blood storage bypass according to an embodiment of the present application includes at least: a bottle stopper puncture outfit 11, a dropping funnel 12, an infusion regulator 13, a pressure sensor 14, a transmission pipeline and a blood storage bypass. Wherein, the bottle stopper puncture outfit 11 is connected with the dropping funnel 12, the dropping funnel 12 is connected with the transfusion regulator 13, the bottle stopper puncture outfit 11 can be used for puncturing and inserting the transfusion bag or the transfusion bottle with the liquid medicine, so that the liquid medicine enters the dropping funnel 12. The infusion regulator 13 is used for regulating the flow rate of the liquid medicine, and the liquid medicine in the infusion bag can be physiological saline and a proper amount of heparin.
The transfer line includes: infusion tube 21, luer 22, blood sampling valve 23. Wherein, the luer connector 22 is the patient end connector of the transmission pipeline, and the transmission pipeline can be connected with the outer end of the catheter connected into the blood vessel of the patient through the luer connector 22. The blood sampling valve 23 is arranged between the three-way valve 15 and the luer connector 22, the blood sampling valve 23 is provided with a blood sampling port, and the sampling injector can be used for collecting blood samples of patients by puncturing a sealing rubber plug of the blood sampling port.
The blood storage bypass includes: the device comprises a small screw injector 31, a large screw injector 32, a three-way valve 33 and a three-way valve 34, wherein the small screw injector 31 is connected with the three-way valve 33, and the large screw injector 32 is connected with the three-way valve 34. Also, the three-way valve 33 and the three-way valve 34 each have a turn switch. The end of the small screw injector 31 is provided with a silica gel sleeve 35, and the silica gel sleeve 35 can coat the core bar and the outer sleeve curled edge of the small screw injector 31; the end of the big screw injector 32 is provided with a silica gel sleeve 36, and the silica gel sleeve 36 can coat the core rod and the outer sleeve crimping of the big screw injector 32. The silica gel sleeve 35 and the silica gel sleeve 36 can seal the core rods of the two screw injectors, so that the core rods of the injectors are prevented from bringing outside bacteria into the injectors in the pushing and pulling process, and further liquid in the injectors is prevented from being polluted. Wherein, the small screw injector 31 can be used for storing liquid medicine, the large screw injector 32 can be used for storing the near-end blood of the patient, and the volume of the small screw injector 31 is smaller than that of the large screw injector 32. In the embodiment of the present application, the volume of the small screw syringe 31 may be 5 to 10 ml, and the volume of the large screw syringe 32 may be 20 to 30 ml.
A pressure sensor 14 is provided on the delivery line, the pressure sensor 14 being located between the infusion regulator 13 and the three-way valve 33. And the pressure sensor 14 is connected with a cable 15, wherein the pressure sensor 14 can be connected with a blood pressure monitoring device such as an invasive blood pressure monitor and the like through the cable 15, and measures and displays the venous pressure or the arterial pressure of the patient.
The invasive blood pressure sensor with the blood storage bypass further comprises: the fixed plate 41, the three-way valve 33, the three-way valve 34, the small screw injector 31, the large screw injector 32, and the pressure sensor 14 are fixed to the fixed plate 41. In the process of monitoring the blood pressure, the three-way valve 33, the three-way valve 34, the small screw injector 31, the large screw injector 32 and the pressure sensor 14 of the invasive blood pressure sensor with the blood storage bypass are fixed by the fixing plate 41, so that the pressure sensor 14 is prevented from moving or falling off in the using process, and the small screw injector 31 and the large screw injector 32 are also prevented from changing the position of the pressure sensor 14 in the process of pushing and pulling the core rod.
In a specific application, the invasive blood pressure sensor with the blood storage bypass comprises two working modes: a blood pressure monitoring mode and a blood sample collection mode, described in detail below.
Two three-way valves in this application have three joints respectively. Wherein, a first joint of the three-way valve 33 is connected with the pressure sensor 14 through a perfusion tube, a second joint of the three-way valve 33 is connected with the small-screw injector 31, and a third joint of the three-way valve 33 is connected with the three-way valve 34; the first connector of the three-way valve 34 is connected with the third connector of the three-way valve 33, the second connector of the three-way valve 34 is connected with the large screw injector 32, and the third connector of the three-way valve 34 is connected with the luer connector 22 of the transmission pipeline through the infusion tube 13.
In the blood pressure monitoring mode, the first connector and the third connector of the three-way valve 33 are communicated with each other, and the first connector and the third connector of the three-way valve 34 are communicated with each other, so that the transmission line is communicated with the pressure sensor 14, and the pressure sensor 14 is communicated with the outer end of the catheter connected to the patient through the transmission line and the luer 22 thereof. The bottle stopper puncture device 11 is inserted into an infusion bag, a flushing valve on the sensor 14 is squeezed forcibly, so that liquid fills the inner cavity of the pressure sensor 14 and a transmission pipeline between the pressure sensor 14 and the luer 22, the invasive blood pressure sensor is connected into an artery or vein of a patient, the arterial or venous blood pressure of the patient is measured through the pressure transmission effect of a sensor chip of the pressure sensor 14 and fluid, and the measured arterial or venous blood pressure is converted into an output signal which is transmitted to a blood pressure monitoring device through a cable.
In the blood sample collection mode, the steering switches of the three-way valve 33 and the three-way valve 34 are adjusted to communicate the third joint and the second joint of the three-way valve 33, and the third joint and the first joint of the three-way valve 33 are closed; the first joint, the second joint and the third joint of the three-way valve 34 are all communicated. Thus, the small screw syringe 31 and the large screw syringe 32 are connected with the outer end of the catheter connected into the blood vessel of the patient through the transmission pipeline and the luer 22 thereof, and the pressure sensor 14 is disconnected with the luer 22. Pulling the core rod of the small screw injector 31 to draw and store the liquid in the transmission pipeline, pulling the core rod of the large screw injector 32 to draw and store the near-end blood of the patient, and using the injector to sample the blood of the patient through the blood sampling valve 35. After sampling, the blood stored in the large screw injector 32 is re-infused into the patient through the transmission pipeline.
This application embodiment is through increasing blood storage bypass on invasive blood pressure sensor's basis, and wherein first screw syringe is used for storing the liquid medicine, and second screw syringe is used for storing patient's near-end blood, can change between blood pressure monitoring mode and blood storage mode through simple operation, has not only avoided exposing contaminated problem under the environment of being susceptible at blood sample collection in-process patient's near-end blood, has avoided the patient that need carry out blood sample collection repeatedly to produce iatrogenic blood loss complication moreover.
The above description is only an example of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (7)
1. An invasive blood pressure sensor with a blood storage bypass, comprising: the bottle stopper puncture outfit, the dropping funnel, the transfusion regulator, the pressure sensor, the transmission pipeline and the blood storage bypass;
the transfer line includes: a transfusion tube, a luer connector and a blood sampling valve;
the blood storage bypass includes: the device comprises a first screw injector, a second screw injector, a first three-way valve and a second three-way valve; the first screw injector is connected with the first three-way valve, the second screw injector is connected with the second three-way valve, and the first three-way valve and the second three-way valve are provided with steering switches;
the pressure sensor is arranged on the transmission pipeline and is positioned between the first three-way valve of the blood storage bypass and the infusion regulator;
the invasive blood pressure sensor with the blood storage bypass comprises two modes: a blood pressure monitoring mode and a blood sample collection mode;
in a blood pressure monitoring mode, the pressure sensor is connected with the outer end of a catheter which is connected into a patient blood vessel through the transmission pipeline and the luer thereof;
in a blood sample collection mode, the first screw injector and the second screw injector are connected with the outer end of a catheter connected into a patient blood vessel through the transmission pipeline and the luer thereof by adjusting the steering switches of the first three-way valve and the second three-way valve, and the connection between the pressure sensor and the luer is disconnected.
2. An invasive blood pressure sensor according to claim 1,
the first three-way valve comprises a first joint, a second joint and a third joint, the first joint of the first three-way valve is connected with the pressure sensor through a liquid conveying pipe, the second joint of the first three-way valve is connected with the first screw injector, and the third joint of the first three-way valve is connected with the second three-way valve;
the second three-way valve comprises a first joint, a second joint and a third joint, the first joint of the second three-way valve is connected with the third joint of the first three-way valve, the second joint of the second three-way valve is connected with the second screw injector, and the third joint of the second three-way valve is connected to the Ruhr joint of the transmission pipeline through a liquid conveying pipe;
in a blood pressure monitoring mode, the first joint and the third joint of the first three-way valve are communicated; the first joint and the third joint of the second three-way valve are communicated;
in a blood sample collection mode, the third joint and the second joint of the first three-way valve are communicated, and the third joint and the first joint of the first three-way valve are closed; and the first joint, the second joint and the third joint of the second three-way valve are communicated with each other.
3. The invasive blood pressure sensor according to claim 1, further comprising: the pressure sensor, the first screw injector, the second screw injector, the first three-way valve and the second three-way valve are fixedly arranged on the fixing plate.
4. The invasive blood pressure sensor according to claim 1, wherein the volume of said first screw injector is smaller than the volume of said second screw injector.
5. The invasive blood pressure sensor according to claim 1, wherein the core rod and the outer jacket bead of the first screw injector are coated with a silicone sleeve, and the core rod and the outer jacket bead of the second screw injector are coated with a silicone sleeve.
6. An invasive blood pressure sensor according to claim 1, wherein the transfer line is further provided with a blood collection valve located between the second three-way valve and the luer fitting of the transfer line.
7. An invasive blood pressure sensor according to claim 1, wherein a cable is connected to the pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123441754.5U CN217611041U (en) | 2021-12-31 | 2021-12-31 | Invasive blood pressure sensor with blood storage bypass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123441754.5U CN217611041U (en) | 2021-12-31 | 2021-12-31 | Invasive blood pressure sensor with blood storage bypass |
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| Publication Number | Publication Date |
|---|---|
| CN217611041U true CN217611041U (en) | 2022-10-21 |
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| CN202123441754.5U Active CN217611041U (en) | 2021-12-31 | 2021-12-31 | Invasive blood pressure sensor with blood storage bypass |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112494023A (en) * | 2019-09-16 | 2021-03-16 | 深圳市惠心诺科技有限公司 | Closed invasive blood pressure monitoring equipment with blood sampling function |
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2021
- 2021-12-31 CN CN202123441754.5U patent/CN217611041U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112494023A (en) * | 2019-09-16 | 2021-03-16 | 深圳市惠心诺科技有限公司 | Closed invasive blood pressure monitoring equipment with blood sampling function |
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