CN219481114U - Liquid pressure monitoring device - Google Patents
Liquid pressure monitoring device Download PDFInfo
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- CN219481114U CN219481114U CN202320636815.3U CN202320636815U CN219481114U CN 219481114 U CN219481114 U CN 219481114U CN 202320636815 U CN202320636815 U CN 202320636815U CN 219481114 U CN219481114 U CN 219481114U
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- pressure
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- pipeline
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- 239000007788 liquid Substances 0.000 title claims abstract description 60
- 238000012806 monitoring device Methods 0.000 title claims abstract description 30
- 238000001802 infusion Methods 0.000 claims abstract description 74
- 239000012530 fluid Substances 0.000 claims abstract description 19
- 238000009530 blood pressure measurement Methods 0.000 claims description 15
- 238000012544 monitoring process Methods 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 abstract description 9
- 239000007924 injection Substances 0.000 abstract description 9
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to the technical field of infusion injection medical instruments, in particular to a liquid pressure monitoring device, which comprises: the infusion device comprises an infusion pipeline, a pressure measuring pipeline, a conduction assembly and a pressure sensor, wherein the pressure measuring pipeline is communicated with the infusion pipeline; the conductive component is internally sealed with a conductive medium; the conductive medium is capable of transmitting the fluid pressure of the infusion line to the pressure sensor, through which the fluid pressure of the infusion line is monitored. The liquid pressure monitoring device does not directly contact with liquid, deformation in the infusion pipeline is avoided to measure pressure, the liquid pressure monitoring device detects the liquid pressure of the infusion pipeline after being conducted through the conducting medium, the high-precision detection of the liquid pressure is realized, the repeated use of the pressure monitoring device is realized, the installation is convenient and fast, the use cost is greatly reduced, and the function expansibility is improved.
Description
Technical Field
The utility model relates to the technical field of infusion injection medical instruments, in particular to a liquid pressure monitoring device.
Background
At present, in the field of infusion and injection medical instruments, a direct contact pressure measuring device and an indirect contact elastic infusion pipeline device are generally used for monitoring the liquid pressure in the conveyed liquid, and the liquid pressure is used for monitoring patient signs or infusion conditions and is also used for scenes such as pressure alarm, dynamic adjustment output function and the like of the instrument.
However, the pressure device for the direct contact pressure measuring device is used for directly contacting the liquid to measure the liquid pressure (such as a balloon pressurizing injector), the liquid pressure measured by the direct contact pressure measuring device is high in precision and is little influenced by environmental factors, but the pressure device can only be used as a consumable material due to the fact that the biocompatibility factors are considered, the value of the pressure device is high, and the manufacturing cost and the patient use cost of a manufacturer are increased. The indirect contact elastic infusion pipeline device causes deformation of the pipeline through change of liquid pressure in the pipeline, the pipeline contacts the pressure sensor to obtain a threshold value, and the pressure value is converted into pressure in the pipeline through software to realize pressure measurement.
Disclosure of Invention
The utility model aims to provide a liquid pressure monitoring device, which aims to solve the technical problems that a pressure device in a direct contact type liquid pressure detection device can only be used as a consumable and the indirect contact type device is greatly influenced by liquid flow rate, pipeline materials, pipeline length and the like.
The utility model provides the following technical scheme:
a fluid pressure monitoring apparatus comprising: the infusion device comprises an infusion pipeline, a pressure measuring pipeline, a conduction assembly and a pressure sensor, wherein the pressure measuring pipeline is communicated with the infusion pipeline;
the conduction assembly defines two ends, wherein a first end is connected with the pressure measuring pipeline, and a second end is connected with the pressure sensor;
the conduction component is internally sealed with a conduction medium; the conduction medium is used for transmitting the hydraulic pressure of the infusion pipeline from the first end of the conduction assembly to the second end of the conduction medium, so that the pressure sensor monitors the hydraulic pressure of the infusion pipeline.
Further, the conductive assembly includes a housing, an infusion piston, and a pressure piston; the infusion piston corresponds to the first end and the pressure piston corresponds to the second end, the infusion piston and the pressure piston enclosing the conductive medium within the housing.
Further, the pressure measurement line is connected to the housing via a first luer connector such that liquid in the pressure measurement line squeezes the infusion piston via the first luer connector.
Further, the liquid pressure monitoring device also comprises an injector and a driver, and the infusion pipeline and the pressure measuring pipeline are communicated with the injector; the power output end of the driver is connected with the power input end of the injector, and the driver provides pushing force for liquid contained in the injection assembly.
Further, the driver comprises a driving seat and a driving block connected with the driving seat, and the driving block is abutted to the power input end of the injector.
Further, the syringe comprises a push rod and a syringe, wherein the push rod is arranged in the syringe, the tail end of the push rod is abutted to the driving block, and the syringe is communicated with the infusion pipeline and the pressure measuring pipeline through a multi-way valve.
Further, a mounting position is arranged on the driving seat, an opening is formed in one side of the mounting position, and the lug on the injection tube is fixed on the mounting position after entering from the opening.
Further, the pressure sensor is mounted on the drive seat.
Further, the conductive assembly includes a housing, an infusion piston corresponding to the first end, and a pressure piston corresponding to the second end, the infusion piston and the pressure piston sealing the conductive medium within the housing, the drive socket being connected to the housing by a second luer connector to connect the pressure piston to the pressure sensor.
Further, the conductive medium is one of a gas, a liquid, or a solid.
The utility model provides a liquid pressure monitoring device, comprising: the infusion device comprises an infusion pipeline, a pressure measuring pipeline, a conduction assembly and a pressure sensor, wherein the pressure measuring pipeline is communicated with the infusion pipeline; the conductive component is internally sealed with a conductive medium; the conductive medium is capable of transmitting the fluid pressure of the infusion line to the pressure sensor, through which the fluid pressure of the infusion line is monitored. The liquid pressure monitoring device does not directly contact with liquid, deformation in the infusion pipeline is avoided to measure pressure, the liquid pressure monitoring device detects the liquid pressure of the infusion pipeline after being conducted through the conducting medium, the high-precision detection of the liquid pressure is realized, the repeated use of the pressure monitoring device is realized, the installation is convenient and fast, the use cost is greatly reduced, and the function expansibility is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of a liquid pressure monitoring device according to the present utility model;
fig. 2 is a cross-sectional view of a fluid pressure monitoring apparatus according to the present utility model.
The names of the components marked in the figures are as follows: 1. an infusion pipeline; 2. a pressure measuring pipeline; 3. a conductive component; 30. a conductive medium; 31. a housing; 32. an infusion piston; 33. a pressure piston; 4. a pressure sensor; 5. a first luer connector; 6. a second luer connector; 7. a syringe; 71. a push rod; 72. a syringe; 721. ear pieces; 8. a driver; 81. a driving seat; 82. a driving block; 83. a mounting position; 9. a multi-way valve.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless specifically defined otherwise.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; the connection may be mechanical connection, direct connection or indirect connection through an intermediate medium, and may be internal connection of two elements or interaction relationship of two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
Referring to fig. 1 and 2, a liquid pressure monitoring device includes: the infusion device comprises an infusion pipeline 1, a pressure measuring pipeline 2 communicated with the infusion pipeline 1, a conduction assembly 3 and a pressure sensor 4; the conductive assembly 3 defines two ends, a first end of which is connected with the pressure measuring pipeline 2 and a second end of which is connected with the pressure sensor 4; the conductive component 3 is internally sealed with a conductive medium 30; the conducting medium 30 is used for transmitting the hydraulic pressure of the infusion pipeline 1 from the first end of the conducting component 3 to the second end of the conducting medium 30, so that the pressure sensor 4 monitors the hydraulic pressure of the infusion pipeline 1.
In monitoring patient's physical signs or transfusion conditions, the transfusion pipeline 1 is communicated with a blood vessel in the patient, and the transfusion pipeline 1 is communicated with the pressure measuring pipeline 2, so that the liquid pressure in the transfusion pipeline 1 can be measured by measuring the liquid pressure in the pressure measuring pipeline 2. One end of the conduction component 3 is connected with the pressure measuring pipeline 2, the other end of the conduction component is connected with the pressure sensor 4, and the conduction medium 30 stored in the conduction component 3 can transmit the liquid pressure of the pressure measuring pipeline 2 to the pressure sensor 4, so that the liquid pressure in the infusion pipeline 1 can be detected through the pressure sensor 4. The pressure sensor 4 in the liquid pressure monitoring device is not in direct contact with liquid, deformation in the infusion pipeline 1 is not used for measuring pressure, the liquid pressure in the infusion pipeline 1 is conducted through the conducting medium 30, and then the liquid pressure is detected, so that the high-precision detection of the liquid pressure is realized, meanwhile, the characteristics of convenience in repeated use and installation and the like of the liquid pressure monitoring device are also considered, the use cost is greatly reduced, the function expansibility is improved, and the functions of pressure feedback, pressure alarm, pressure dynamic monitoring and the like are realized. And this application can integrate pressure measurement pipeline 2 and infusion pipeline 1, has reduced the maloperation risk that the too many devices of user operation brought.
Referring to fig. 2, in one specific embodiment, the conductive assembly 3 includes a housing 31, an infusion piston 32, and a pressure piston 33; the infusion piston 32 corresponds to the first end and the pressure piston 33 corresponds to the second end, the infusion piston 32 and the pressure piston 33 enclosing the conductive medium 30 within the housing 31. The infusion piston 32 and the pressure piston 33 are tightly matched with the shell 31 to ensure the air tightness in the shell 31, and the conductive medium 30 can be sealed in the shell 31. In this embodiment, the conductive medium 30 may be in the form of one of a gas, a liquid, and a solid. The effect of transmitting pressure in different media is different, such as stroke, medium compression amount, time and the like, so the function requirement of pressure measurement of special equipment such as pressure measurement delay time control, free buffer zone setting and the like can be achieved by changing different media in consumable materials, and the function expansibility of the liquid pressure monitoring device is greatly improved. The functional diversity is more fit for the actual clinical use requirement, and is helpful for solving the problem that the hydraulic monitoring and transfusion system of the new instrument product, the new function and the difficult and complicated diseases can not be used in combination. Since the infusion piston 32 corresponds to the end connected to the pressure measuring line 2, the pressure transmitted by the liquid to the infusion piston 32 will press the transmission medium, transmitting the pressure to the pressure piston 33. The pressure piston 33 corresponds to one end connected with the pressure sensor 4, and hydraulic pressure is transmitted to the pressure sensor 4 through the pressure piston 33, so that the functions of pressure feedback, pressure alarm, pressure dynamic monitoring and the like are realized. Because the conduction component 3 in the embodiment has a simple structure, is used as a consumable, has low cost, replaces the method of directly contacting the liquid with the pressure sensor 4 in the prior art, realizes the repeated use of the liquid pressure monitoring device, and reduces the pressure measuring cost. The inside of the shell 31 is a closed environment, and the shell 31 is made of hard materials, so that the influence of the expansion capacity, the length, the liquid speed and the like of a pipeline in the traditional pipeline deformation pressure measurement method is avoided, and the measurement accuracy is greatly improved.
Referring to fig. 1 and 2, in one possible embodiment, the pressure line 2 is connected to the housing 31 by a first luer connector 5 such that the liquid in the pressure line 2 is forced through the first luer connector 5 to the infusion piston 32. Luer connectors are convenient connection devices used in the medical industry that greatly simplify the administration of liquid medical fluids. In this embodiment, the first luer connector 5 can switch the conduction component 3 to different liquid ways for pressure measurement, so that the switching is convenient and quick, the repeated use of the liquid pressure monitoring device is realized, and the pressure measurement cost is reduced.
Referring to fig. 1, in one possible embodiment, the fluid pressure monitoring apparatus further comprises a syringe 7 and a driver 8, and the infusion line 1 and the pressure measurement line 2 are both in communication with the syringe 7; the power output end of the driver 8 is connected with the power input end of the injector 7, and the driver 8 provides pushing force for liquid contained in the injection assembly. The injector 7 is driven by the driver 8 to push liquid, so that the safety and stability of the infusion device are ensured. In the present embodiment, the infusion line 1 and the pressure measurement line 2 may communicate with the syringe 7 through the multi-way valve 9. Since the infusion line 1 and the pressure measuring line 2 are both communicated with the injector 7, when the injector 7 is driven by the driver 8 to push liquid, the same liquid pressure is generated in the injector 7, the pressure measuring line 2 and the infusion line 1, and the liquid pressure in the infusion line 1 can be measured by measuring the liquid pressure in the pressure measuring line 2.
Referring to fig. 1, in one possible embodiment, the driver 8 includes a driving seat 81 and a driving block 82 connected to the driving seat 81, and the driving block 82 abuts against a power input end of the syringe 7. In the present embodiment, a driving motor and a screw structure connected to the driving motor in a transmission manner are installed in the driving base 81, and the driving block 82 is driven by the cooperation of the driving motor and the screw structure. In other embodiments, a linear module is installed in the driving seat 81, and the driving block 82 is driven by the linear module. The above is merely illustrative of some embodiments that can drive the driving block 82 to drive the syringe 7, and other ways of achieving the same function are within the scope of the present application.
Referring to fig. 1, in one possible embodiment, the injector 7 includes a push rod 71 and a syringe 72, the push rod 71 is disposed in the syringe 72, the end of the push rod 71 abuts against the driving block 82, and the syringe 72 communicates with the infusion line 1 and the pressure measuring line 2 through a multi-way valve 9. The position on the driving block 82 corresponding to the tail end of the push rod 71 is inwards recessed to form a limit groove, and the limit groove can be used for positioning the push rod 71, so that the stability of the injector 7 is further realized, and certain positioning precision is ensured.
Referring to fig. 1, in one possible embodiment, the driving seat 81 is provided with a mounting position 83, one side of the mounting position 83 is provided with an opening, and the tab 721 on the syringe 72 is fixed on the mounting position 83 after entering from the opening. The installation position 83 is convenient for installing and detaching the injection tube 72, and can be used for positioning the injection tube 72, so that the stability of the injection tube 72 is further realized, and certain positioning precision is ensured.
Referring to fig. 1 and 2, in one possible embodiment, the pressure sensor 4 is mounted on the drive seat 81. So set up, realize the combination of driver 8 and pressure sensor 4, reduced whole liquid pressure monitoring devices's volume, reduced the operation risk that the manual work of many devices brought, promoted medical personnel's work efficiency. Of course, in other embodiments, the driver 8 and the pressure sensor 4 may be disposed on different devices, and the disposed positions of the driver 8 and the pressure sensor 4 may be adaptively adjusted according to a specific application scenario.
Referring to fig. 1 and 2, in one possible embodiment, the conductive assembly 3 comprises a housing 31, an infusion piston 32 and a pressure piston 33, the infusion piston 32 corresponding to the first end, the pressure piston 33 corresponding to the second end, the infusion piston 32 and the pressure piston 33 enclosing the conductive medium 30 within the housing 31, the drive seat 81 being connected to the housing 31 by a second luer connector 6 so that the pressure piston 33 is connected to the pressure sensor 4. In this embodiment, the second luer connector 6 can switch the conductive component 3 to a different driving seat 81 for pressure measurement, so that the switching is convenient and quick, the repeated use of the conductive component 3 is realized, and the pressure measurement cost is reduced.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes using the descriptions and drawings of the present utility model or directly or indirectly applied to other related technical fields are included in the scope of the utility model.
Claims (10)
1. A fluid pressure monitoring apparatus, comprising: the infusion device comprises an infusion pipeline, a pressure measuring pipeline, a conduction assembly and a pressure sensor, wherein the pressure measuring pipeline is communicated with the infusion pipeline;
the conduction assembly defines two ends, wherein a first end is connected with the pressure measuring pipeline, and a second end is connected with the pressure sensor;
the conduction component is internally sealed with a conduction medium; the conduction medium is used for transmitting the hydraulic pressure of the infusion pipeline from the first end of the conduction assembly to the second end of the conduction medium, so that the pressure sensor monitors the hydraulic pressure of the infusion pipeline.
2. The fluid pressure monitoring device of claim 1, wherein the conductive assembly comprises a housing, an infusion piston, and a pressure piston; the infusion piston corresponds to the first end and the pressure piston corresponds to the second end, the infusion piston and the pressure piston enclosing the conductive medium within the housing.
3. The fluid pressure monitoring device of claim 2, wherein the pressure line is connected to the housing by a first luer connector such that fluid in the pressure line squeezes the infusion piston through the first luer connector.
4. The fluid pressure monitoring device of claim 1, further comprising a syringe and a driver, wherein the infusion line and the pressure measurement line are both in communication with the syringe; the power output end of the driver is connected with the power input end of the injector, and the driver provides pushing force for liquid contained in the injector.
5. The fluid pressure monitoring device of claim 4, wherein the driver comprises a drive seat and a drive block coupled to the drive seat, the drive block being in abutment with the power input of the syringe.
6. The fluid pressure monitoring device of claim 5, wherein the syringe comprises a pushrod and a syringe, the pushrod is disposed in the syringe, the end of the pushrod abuts the drive block, and the syringe communicates the infusion line and the pressure measurement line via a multi-way valve.
7. The fluid pressure monitoring device of claim 6, wherein the drive seat is provided with a mounting location, one side of the mounting location is provided with an opening, and the lug on the syringe is fixed on the mounting location after entering from the opening.
8. The fluid pressure monitoring device of claim 5, wherein the pressure sensor is mounted on the drive seat.
9. The fluid pressure monitoring device of claim 8, wherein the conductive assembly comprises a housing, an infusion piston corresponding to the first end, and a pressure piston corresponding to the second end, the infusion piston and the pressure piston sealing the conductive medium within the housing, the drive block being coupled to the housing by a second luer connector to couple the pressure piston to the pressure sensor.
10. The fluid pressure monitoring device of claim 1, wherein the conductive medium is one of a gas, a liquid, or a solid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320636815.3U CN219481114U (en) | 2023-03-27 | 2023-03-27 | Liquid pressure monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320636815.3U CN219481114U (en) | 2023-03-27 | 2023-03-27 | Liquid pressure monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219481114U true CN219481114U (en) | 2023-08-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320636815.3U Active CN219481114U (en) | 2023-03-27 | 2023-03-27 | Liquid pressure monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219481114U (en) |
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2023
- 2023-03-27 CN CN202320636815.3U patent/CN219481114U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518000 801-806, building 12, China Hisense innovation industry city, No. 12, Ganli 6th Road, gankeng community, Jihua street, Longgang District, Shenzhen, Guangdong Province Patentee after: Shenzhen Aibo Hechuang Medical Robot Co.,Ltd. Country or region after: China Address before: 518000 801-806, building 12, China Hisense innovation industry city, No. 12, Ganli 6th Road, gankeng community, Jihua street, Longgang District, Shenzhen, Guangdong Province Patentee before: Shenzhen Aibo medical robot Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |