CN216571020U - Constant-pressure drainage device of hemoperfusion apparatus - Google Patents
Constant-pressure drainage device of hemoperfusion apparatus Download PDFInfo
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- CN216571020U CN216571020U CN202122496937.0U CN202122496937U CN216571020U CN 216571020 U CN216571020 U CN 216571020U CN 202122496937 U CN202122496937 U CN 202122496937U CN 216571020 U CN216571020 U CN 216571020U
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Abstract
The utility model provides a constant-pressure drainage device of a hemoperfusion apparatus, and belongs to the technical field of medical detection equipment. The utility model is provided with an air inlet joint, an air outlet structure, a pressure debugging valve and a pressure sensor on a shell with an installation cavity, the air inlet joint is connected with an air source and a pressure debugging valve, the air outlet joint is connected with the pressure debugging valve and air using equipment, and a pressure sensor is arranged between the pressure debugging valve and the air outlet joint, so that the air source can obtain air with stable pressure after being adjusted by the pressure debugging valve, the gas with stable pressure is led out to the gas using equipment through the gas outlet joint and is monitored through the pressure sensor, when the air outlet joint is connected to the blood chamber of the dialyzer to be detected, the air can be stably blown into the blood chamber of the dialyzer, so that the fluid medium in the blood chamber of the dialyzer can be stably and thoroughly led out, therefore, the accuracy of measurement when the volume of the fluid medium is measured subsequently is ensured, and the volume of the blood chamber of the dialyzer is measured more accurately.
Description
Technical Field
The utility model relates to the technical field of medical detection equipment, in particular to a constant-pressure drainage device of a hemoperfusion apparatus.
Background
The volume of the blood chamber of the dialyzer refers to the volume of the solution which completely fills the hollow fibers and two ends of the blood chamber of the dialyzer, and is a main index for reflecting the solute transport capacity of the hollow fiber dialyzer, so that the aim of ensuring that the volume of the blood chamber of the dialyzer meets the use requirement is the focus of industrial attention.
The existing method for testing the volume of the blood chamber of the dialyzer is to fill the blood chamber of the dialyzer with fluid medium, then reversely lead out the fluid medium filled in the blood chamber of the dialyzer, and measure the volume of the blood chamber of the dialyzer to be tested by measuring the volume of the led out fluid medium. However, in the conventional test method, there is an unstable factor in the discharge of the fluid medium, which affects the fluid medium volume measurement, and the accurate blood chamber volume of the dialyzer cannot be obtained.
Disclosure of Invention
Aiming at the problems in the prior art, the constant-pressure drainage device of the hemoperfusion apparatus is provided, so that constant-pressure gas is introduced into a blood chamber of a dialyzer full of fluid cut-off, fluid media in the blood chamber of the dialyzer is blown out, and the stability and the thoroughness of the fluid media derivation are ensured, so that the accuracy of subsequent fluid media volume measurement is ensured, and the accuracy of the volume measurement of the blood chamber of the dialyzer is ensured.
The specific technical scheme is as follows:
a constant pressure drainage device of a hemoperfusion apparatus, which is characterized by comprising:
a housing having a mounting cavity;
the air inlet joint is arranged on the shell, an inlet of the air inlet joint is connected with an external air source, and an outlet of the air inlet joint extends into the mounting cavity through a first pipeline;
the air outlet joint is arranged on the shell, and an outlet of the air outlet joint is connected with air using equipment;
the pressure debugging valve is arranged in the mounting cavity, an inlet of the pressure debugging valve is connected with one end of the first pipeline extending into the mounting cavity, an outlet of the pressure debugging valve is connected with a second pipeline, the second pipeline is connected with an inlet of the air outlet joint, and meanwhile, the pressure debugging valve is provided with an adjusting part which extends out of the shell;
and the pressure sensor is arranged in the mounting cavity and arranged on the second pipeline.
The constant-pressure drainage device of the blood perfusion apparatus further comprises a cut-off valve, wherein the cut-off valve is arranged in the installation cavity and is arranged on a first pipeline communicated with the air inlet joint and the pressure debugging valve.
The constant-pressure drainage device of the hemoperfusion device further comprises a controller, wherein the controller is arranged in the installation cavity and electrically connected to the pressure sensor.
In the constant pressure drainage device of the hemoperfusion apparatus, the stop valve is an electromagnetic valve and is electrically connected to the controller.
The constant-pressure drainage device of the hemoperfusion device further comprises a control panel, wherein the control panel is arranged on the shell and is electrically connected with the controller.
The constant-pressure drainage device of the hemoperfusion apparatus is further provided with a power interface, the power interface is arranged on the shell, and the power interface is electrically connected with the controller.
The constant-pressure drainage device of the blood perfusion apparatus comprises a pressure release valve, wherein the pressure release valve is arranged on the air inlet joint, and a pressure release channel of the pressure release valve is communicated with a gas channel of the air inlet joint.
The constant-pressure drainage device for the blood perfusion apparatus comprises a pressure gauge, wherein the pressure gauge is arranged on the air inlet connector and is communicated with an air channel of the air inlet connector.
The constant-pressure drainage device for the hemoperfusion apparatus comprises a shell, wherein the shell comprises a base, a support and a cover plate, the support is in a frame structure arrangement, the base is arranged at the bottom of the support, the cover plate covers the support, and the cover plate is detachably connected with the support.
The constant-pressure drainage device for the blood perfusion apparatus comprises a support, wherein the support is provided with a plurality of thread fixing holes, the cover plate is provided with a plurality of matching holes corresponding to the thread fixing holes, and the thread fixing holes and the corresponding matching holes are connected through screws.
The positive effects of the technical scheme are as follows:
the constant-pressure drainage device of the hemoperfusion apparatus comprises a casing with an installation cavity, wherein an air inlet joint and an air outlet joint are arranged on the casing, a pressure debugging valve is arranged in the installation cavity, an inlet and an outlet of the pressure debugging valve are respectively connected with the air inlet joint and the air outlet joint, meanwhile, a pressure sensor is arranged between the outlet of the pressure debugging valve and the air outlet joint, the air inlet joint is connected with an air source, the gas exhausted by the air outlet joint is adjusted through the pressure debugging valve, the pressure of the gas exhausted by the air outlet joint is monitored through the pressure sensor, the stability of the pressure of the gas exhausted by the air outlet joint is ensured, so that when the air outlet joint is connected to a blood chamber of a dialyzer to be detected, the gas can be stably blown into the blood chamber of the dialyzer, the fluid medium in the blood chamber of the dialyzer can be stably and thoroughly guided out, and the accuracy of the volume measurement of the subsequent fluid medium is ensured, the accuracy of the volume measurement of the blood chamber of the dialyzer is ensured.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a constant pressure drainage device of a hemoperfusion apparatus according to the present invention;
FIG. 2 is a perspective view of the preferred embodiment of the present invention with the cover removed;
FIG. 3 is a block diagram of another perspective of the preferred embodiment of the present invention with the cover removed;
fig. 4 is a structural diagram of another view angle of the case according to a preferred embodiment of the present invention after the cover plate of the case is removed.
In the drawings: 1. a housing; 11. a base; 12. a support; 13. a cover plate; 121. a threaded fixing hole; 131. a mating hole; 2. an air inlet joint; 21. a pressure relief valve; 22. a pressure gauge; 3. an air outlet joint; 4. a pressure debugging valve; 41. an adjustment section; 5. a pressure sensor; 6. a shut-off valve; 7. a controller; 8. a control panel; 9. and a power interface.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the present invention easy to understand, the following embodiments specifically describe the technical solutions provided by the present invention with reference to fig. 1 to 4, but the following contents are not to be taken as limitations of the present invention.
FIG. 1 is a schematic diagram of an embodiment of a constant pressure drainage device of a hemoperfusion apparatus according to the present invention; FIG. 2 is a perspective view of the preferred embodiment of the present invention with the cover removed; FIG. 3 is a block diagram of another perspective of the preferred embodiment of the present invention with the cover removed; fig. 4 is a structural diagram of another view angle of the case according to a preferred embodiment of the present invention after the cover plate of the case is removed. As shown in fig. 1 to 4, the constant pressure drainage device of a hemoperfusion apparatus provided in this embodiment includes: the device comprises a shell 1, an air inlet connector 2, an air outlet connector 3, a pressure debugging valve 4 and a pressure sensor 5.
Specifically, casing 1 is package assembly, easy dismounting, and casing 1 has an installation cavity, provides installation space for the installation of structural component such as follow-up pressure debugging valve 4 through the installation cavity, can regard as the installation carrier promptly through casing 1, also can realize protecting structural component such as its inside pressure debugging valve 4, and structural design is more reasonable.
Specifically, the housing 1 and the sidewall of the housing 1 are provided with the air inlet connector 2, that is, the air inlet connector 2 is fixedly installed on the sidewall of the housing 1. And, the access connection of air inlet joint 2 has outside air supply, and the export of air inlet joint 2 extends to the installation intracavity through first pipeline for the unstable gas of atmospheric pressure that outside air supply output was come can enter into the installation intracavity of casing 1 through air inlet joint 2 and first pipeline, provides the condition for follow-up pressure adjustment through pressure debugging valve 4 in the installation intracavity.
Specifically, still be provided with the joint 3 of giving vent to anger on casing 1 and being located the lateral wall of casing 1, realized the installation of the joint 3 of giving vent to anger promptly through the lateral wall of casing 1 and fixed. At this time, the outlet of the outlet connector 3 is connected with the gas-using equipment, so that the gas with stable pressure obtained by adjusting the pressure adjusting valve 4 in the installation cavity of the housing 1 can be blown out through the outlet connector 3, thereby facilitating the connection with the external gas-using equipment.
Specifically, the pressure adjusting valve 4 is disposed in the installation cavity of the housing 1, at this time, an inlet of the pressure adjusting valve 4 is connected to one end of the first pipeline extending into the installation cavity, so that the gas with unstable air pressure entering through the air inlet connector 2 and the first pipeline can enter into the pressure adjusting valve 4, the adjustment of the gas pressure is realized through the pressure adjusting valve 4, in addition, an outlet of the pressure adjusting valve 4 is connected to a second pipeline, and the second pipeline is connected to an inlet of the air outlet connector 3, so that the gas with stable pressure adjusted by the pressure adjusting valve 4 can be led out through the second pipeline and the air outlet connector 3, thereby ensuring that the pressure of the gas adjusted by the pressure adjusting valve 4 is more stable, providing conditions for subsequently leading the adjusted gas into the blood chamber of the dialyzer to be detected through the air outlet connector 3 and leading out the stability and the thorough derivation of the fluid medium in the blood chamber of the dialyzer, the accuracy of detection is guaranteed, and the structural design is more reasonable. Meanwhile, the pressure debugging valve 4 is provided with the adjusting part 41, and the adjusting part 41 extends out of the shell 1, so that the pressure debugging valve 4 can be conveniently adjusted by an operator through the adjusting part 41, and the operation is simpler.
Specifically, still be provided with pressure sensor 5 in the installation cavity of casing 1, pressure sensor 5 sets up on the second pipeline for the stable pressure's that obtains after pressure debugging valve 4 adjusts when flowing to outlet joint through the second pipeline, can carry out pressure detection through pressure sensor 5, guaranteed the stability of gas pressure output, also provide the reference basis for the operator to the regulation of pressure debugging valve 4 simultaneously, and structural design is more reasonable.
More specifically, still be provided with the shut-off valve 6 in the installation cavity of casing 1, this moment, shut-off valve 6 sets up on the first pipeline of air inlet joint 2 and pressure debugging valve 4 intercommunication, has controlled the break-make of the first pipeline that air inlet joint 2 and pressure debugging valve 4 are connected promptly through shut-off valve 6 to the break-make of whole gas circuit has been controlled, and the safety guarantee nature is higher, and structural design is more reasonable.
More specifically, a controller 7 is further disposed in the mounting cavity of the housing 1, and at this time, the controller 7 is electrically connected to the pressure sensor 5, so that a pressure signal detected by the pressure sensor 5 can be transmitted to the controller 7, and a condition is provided for subsequent pressure display through the controller 7.
More specifically, the block valve 6 arranged in the installation cavity of the shell 1 is an electromagnetic valve, and meanwhile, the block valve 6 is electrically connected to the controller 7, namely, the control over the block valve 6 can be realized through the controller 7, so that an operator can control the on-off of the air circuit through the controller 7, the operation is more convenient, and the structural design is more reasonable.
More specifically, inlay on the lateral wall of casing 1 and be equipped with control panel 8, control panel 8 installs fixedly through the lateral wall of casing 1 promptly, and simultaneously, control panel 8 is connected with controller 7 electricity, and operator's accessible control panel 8 controls controller 7 promptly to realize pressure display and the disconnected regulation of gas circuit, further made things convenient for the use.
More specifically, still install power source 9 on the lateral wall of casing 1, power source 9 installs fixedly through the lateral wall of casing 1 promptly, and simultaneously, power source 9 is connected with controller 7 electricity, has made things convenient for external power source's connection promptly through power source 9, provides the electric energy for the work of power consumption structural component such as controller 7 and block valve 6, has guaranteed the normal operating of equipment. In addition, power source 9 is connected to the external power source through the detachable plug power line, and is convenient to store and transport.
More specifically, be provided with relief valve 21 on the air inlet joint 2, at this moment, relief valve 21's pressure release passageway and air inlet joint 2's gas passage intercommunication for when the device closes or the in-process that uses dangerous condition such as the pressure of air supply is too high, the automatic pressure release of relief valve 21 on the accessible air inlet joint 2, the safety guarantee nature is higher.
More specifically, still be provided with manometer 22 on the air inlet joint 2, at this moment, manometer 22 and air inlet joint 2's gas passage intercommunication can monitor the pressure of the gas in the gas passage through air inlet joint 2 promptly through manometer 22 to make things convenient for the operator to control the pressure of air supply output, guaranteed the normal operating of device, further improved the security, structural design is more reasonable.
More specifically, casing 1 that has the installation cavity includes base 11, support 12 and apron 13 again, and at this moment, support 12 is the frame construction and arranges, provides the condition for forming the installation cavity, and simultaneously, base 11 sets up in the bottom of support 12, and apron 13 lid is on support 12, seals the support 12 different faces through base 11 and apron 13 promptly, forms the installation cavity. And, set up apron 13 and support 12 to be connected for dismantling, made things convenient for the dismouting of apron 13 on support 12 to make things convenient for and provided the condition with structural mounting in the lateral wall of casing 1 or installation intracavity such as air inlet connector 2, give vent to anger and connect 3, pressure debugging valve 4 and pressure sensor 5, do benefit to the assembly of manufacturing and the maintenance and repair in later stage.
More specifically, a plurality of thread fixing holes 121 have been seted up on the support 12 of casing 1, a plurality of mating holes 131 that correspond with thread fixing holes 121 have been seted up to apron 13, and when installing apron 13 on support 12, be the screwed connection between thread fixing hole 121 and the mating holes 131 that correspond, realized the threaded connection of apron 13 and support 12, and processing technology is simple, and the dismouting is more convenient, has made things convenient for the dismouting of the structural component in casing 1, and structural design is more reasonable.
Preferably, the control panel 8 is provided with a display, and the pressure data detected by the pressure sensor 5 is displayed through the display, so that a more intuitive data reference is provided for an operator, and the structural design is more reasonable.
Preferably, the air inlet connector 2 is arranged on one side, away from the operator, of the shell 1, the air outlet connector 3 is arranged on one side, close to the operator, of the shell 1, so that the air inlet connector 2 which is not frequently dismounted is located on one side, away from the operator, the air outlet connector 3 which is frequently dismounted is close to one side of the operator, operation is more convenient, and structural design is more reasonable. Similarly, control panel 8 sets up in the casing 1 one side that is close to the operator, and power source 9 is located the casing 1 one side of keeping away from the operator, can realize structural protection equally, improves the security, can make things convenient for the operator to control again, and structural design is more reasonable.
The constant-pressure drainage device of the blood perfusion device provided by the embodiment comprises a shell 1, an air inlet connector 2, an air outlet connector 3, a pressure debugging valve 4 and a pressure sensor 5; the casing 1 with the installation cavity is provided with the air inlet connector 2 and the air outlet structure, the installation cavity is internally provided with the pressure debugging valve 4 and the pressure sensor 5, the air inlet connector 2 is connected with an external air source and an inlet of the pressure debugging valve 4, the air outlet connector 3 is connected with an outlet of the pressure debugging valve 4 and the gas using equipment, meanwhile, the pressure sensor 5 is arranged between the outlet of the pressure debugging valve 4 and the air outlet connector 3, so that the air source with unstable pressure can obtain gas with stable pressure after being regulated by the pressure debugging valve 4, the gas with stable pressure is led out to the gas using equipment through the air outlet connector 3, and monitoring is carried out through the pressure sensor 5, so that when the air outlet connector 3 is connected to a blood chamber of a dialyzer to be detected, the gas can be stably blown into the blood chamber of the dialyzer, and fluid media in the blood chamber of the dialyzer can be stably and thoroughly led out, therefore, the accuracy of measurement when the volume of the fluid medium is measured subsequently is ensured, and the volume of the blood chamber of the dialyzer is measured more accurately.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.
Claims (10)
1. A constant-pressure drainage device of a hemoperfusion apparatus is characterized by comprising:
a housing having a mounting cavity;
the air inlet joint is arranged on the shell, an inlet of the air inlet joint is connected with an external air source, and an outlet of the air inlet joint extends into the mounting cavity through a first pipeline;
the air outlet joint is arranged on the shell, and an outlet of the air outlet joint is connected with air using equipment;
the pressure debugging valve is arranged in the installation cavity, an inlet of the pressure debugging valve is connected with one end, extending into the installation cavity, of the first pipeline, an outlet of the pressure debugging valve is connected with a second pipeline, the second pipeline is connected with an inlet of the air outlet joint, and meanwhile, the pressure debugging valve is provided with an adjusting part which extends out of the shell;
and the pressure sensor is arranged in the mounting cavity and arranged on the second pipeline.
2. The constant pressure drainage device of a hemoperfusion cartridge as claimed in claim 1, further comprising a shut-off valve, wherein the shut-off valve is disposed in the installation cavity, and the shut-off valve is disposed on the first pipeline through which the air inlet joint and the pressure regulating valve communicate.
3. The constant pressure drainage device according to claim 2, further comprising a controller disposed in the mounting chamber, the controller being electrically connected to the pressure sensor.
4. The constant pressure drainage device according to claim 3, wherein the shut-off valve is a solenoid valve, and the shut-off valve is electrically connected to the controller.
5. The constant pressure drainage device according to claim 3, further comprising a control panel disposed on the housing, the control panel being electrically connected to the controller.
6. The constant pressure drainage device according to claim 3, further comprising a power interface disposed on the housing, wherein the power interface is electrically connected to the controller.
7. The constant-pressure drainage device of the hemoperfusion apparatus according to claim 1, wherein a pressure relief valve is arranged on the air inlet joint, and a pressure relief channel of the pressure relief valve is communicated with a gas channel of the air inlet joint.
8. The constant-pressure drainage device of the hemoperfusion apparatus according to claim 1, wherein a pressure gauge is arranged on the air inlet connector, and the pressure gauge is communicated with a gas channel of the air inlet connector.
9. The constant-pressure drainage device of a hemoperfusion apparatus as claimed in claim 1, wherein the casing comprises a base, a bracket and a cover plate, the bracket is arranged in a frame structure, the base is arranged at the bottom of the bracket, the cover plate covers the bracket, and the cover plate is detachably connected with the bracket.
10. The constant-pressure drainage device of a hemoperfusion apparatus as claimed in claim 9, wherein the bracket is provided with a plurality of threaded fixing holes, the cover plate is provided with a plurality of matching holes corresponding to the threaded fixing holes, and the threaded fixing holes and the corresponding matching holes are connected by screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122496937.0U CN216571020U (en) | 2021-10-18 | 2021-10-18 | Constant-pressure drainage device of hemoperfusion apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122496937.0U CN216571020U (en) | 2021-10-18 | 2021-10-18 | Constant-pressure drainage device of hemoperfusion apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216571020U true CN216571020U (en) | 2022-05-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122496937.0U Active CN216571020U (en) | 2021-10-18 | 2021-10-18 | Constant-pressure drainage device of hemoperfusion apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216571020U (en) |
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2021
- 2021-10-18 CN CN202122496937.0U patent/CN216571020U/en active Active
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