Dehumidification monitoring system, in-aorta balloon pump system and dehumidification monitoring method

Abstract

The invention relates to the technical field of medical equipment, in particular to a dehumidification monitoring system, an in-aorta balloon pump system and a dehumidification monitoring method. The dehumidification monitoring system comprises a dehumidification module which is provided with a permeable membrane tube inner cavity and a permeable membrane tube outer cavity, one side of the permeable membrane tube inner cavity is connected with a balloon module, and the other side of the permeable membrane tube inner cavity is connected with a connector of a diaphragm disc shell to form a helium pipeline; the outer cavity of the permeable membrane tube is used for circulating purging gas; the helium and the purging gas can both circulate in two directions, the circulation directions of the helium and the purging gas are opposite, and the purging gas is used for dehumidifying the helium; the regulation and control module is used for regulating and controlling the purging direction of the purging gas and selectively connecting the outer cavity of the permeable membrane tube and the positive pressure pump head; or the outer cavity of the permeable membrane tube is connected with the negative pressure pump head and / or the positive pressure tank. According to the dehumidification monitoring system, the dehumidification efficiency is improved, meanwhile, the dead volume of a system pipeline is reduced, and the gas shuttling efficiency and the balloon expansion or contraction response efficiency are improved.

Description

Technical Field

[0001] The present application relates to the technical field of medical devices, and particularly to a dehumidification monitoring system, an intra-aortic balloon pump system, and a monitoring method. Background Art

[0002] An intra-aortic balloon pump is a pneumatic system that controls a special balloon catheter in an artery. Through electronic and gas source systems, the balloon is inflated during diastole and deflated during systole of the heart, so that the diastolic blood pressure in the aorta increases and the systolic blood pressure decreases, thereby achieving the purpose of increasing coronary artery blood supply and reducing the afterload of the heart. At present, the balloon or the tube body of the catheter used in the intra-aortic balloon pump is relatively thin. Therefore, during use, water vapor diffuses from the patient into the balloon or the catheter. If the water vapor concentration in the helium does not decrease, the water vapor will gradually condense into liquid water. During long-term use, the accumulated liquid water will hinder the flow rate of helium in the intra-aortic balloon pump system. Therefore, in order to remove the water vapor introduced into the intra-aortic balloon pump system, some water vapor drying technologies are required. At present, a thermoelectric cooler or a water molecule dialysis membrane is usually used to achieve the purpose of drying gas.

[0003] However, for the thermoelectric cooler method, the following problems will exist: 1. The metal block used as a cold trap needs to consume a large amount of power to maintain a long-term low temperature, which requires a larger system power supply, which will increase the volume of the intra-aortic balloon pump system and violate the design concept of becoming more miniaturized and portable; 2. When the water vapor meets the cold trap, it becomes condensed water and flows into the storage tank, and the storage tank needs to be emptied in time. Emptying the storage tank will interrupt the treatment process and cause loss of helium; 3. The recessed drill holes in the metal block will increase the dead volume of helium, thereby affecting the flow rate of helium, and further affecting the expansion and contraction efficiency at the balloon end. For the water molecule dialysis membrane method, the problems that will exist are: setting a small drying diaphragm disk at the end of the pipeline increases the dead volume of the helium pipeline, affects the flow rate of helium, and thus affects the expansion and contraction efficiency of the balloon. Summary of the Invention

[0004] Based on this, it is necessary to provide a dehumidification monitoring that can improve the dehumidification efficiency, reduce the volume of the balloon pump system, reduce the dead volume of helium flow, and reduce the interference with the normal operation of the balloon pump, an intra-aortic balloon pump system with better performance, and a dehumidification monitoring method for the intra-aortic balloon pump system.

[0005] The present application provides a dehumidification monitoring system from the first aspect, including:

[0006] The dehumidification module has an inner lumen of a permeable membrane tube and an outer lumen of the permeable membrane tube. One side of the inner lumen of the permeable membrane tube is connected to the balloon module, and the other side is connected to the interface of the diaphragm disc housing, forming a helium gas pipeline; the outer lumen of the permeable membrane tube is used for the circulation of the purge gas; both helium gas and the purge gas can flow bidirectionally and the flow directions of helium gas and the purge gas are opposite, and the purge gas is used for dehumidifying helium gas.

[0007] The regulation module is used to regulate the purge direction of the purge gas and is selectively connected to the outer lumen of the permeable membrane tube and the positive pressure pump head; or, it is connected to the outer lumen of the permeable membrane tube and the negative pressure pump head and / or the positive pressure tank.

[0008] In one embodiment, the pressure monitoring unit is arranged in the inner lumen of the permeable membrane tube and is used to monitor the gas pressure information in the inner lumen of the permeable membrane tube;

[0009] The humidity monitoring unit is arranged in the inner lumen of the permeable membrane tube and is used to monitor the gas humidity information in the inner lumen of the permeable membrane tube;

[0010] The helium concentration monitoring unit is arranged in the inner lumen of the permeable membrane tube and is used to monitor the helium concentration information in the inner lumen of the permeable membrane tube.

[0011] In one embodiment, the regulation module includes a forward purge branch and a reverse purge branch. One end of the forward purge branch is connected to the negative pressure pump head and / or the positive pressure tank, and the other end is connected to the outer lumen of the permeable membrane tube; one end of the reverse purge branch is connected to the positive pressure pump head, and the other end is connected to the outer lumen of the permeable membrane tube; both the forward purge branch and the reverse purge branch are provided with two-position two-way solenoid valves.

[0012] In one embodiment, the regulation module includes: a flow limiter arranged on the main paths of the forward purge branch and the reverse purge branch, which is used to control the air flow pressure of the purge gas and enhance the flow rate of the purge gas.

[0013] In one embodiment, either the forward purge branch or the reverse purge branch is connected.

[0014] In a second aspect, the present application provides an intra-aortic balloon pump system, which includes the dehumidification monitoring system of the first aspect, and further includes: a balloon module arranged at the intervention site of the target object, which is used to expand or contract under the control of the balloon pump system to achieve the purpose of assisting medical treatment;

[0015] The power source module is used to provide the power supply and the gas source power required by the system;

[0016] The drive control module is connected to the power source module and is arranged in the output pipeline of the power source module, and is used to control the input and output of the power source module to control the expansion and contraction of the balloon;

[0017] The diaphragm disc module is arranged between the drive control module and the dehumidification monitoring system. The diaphragm disc module includes a diaphragm disc housing and a diaphragm disc inner membrane, and the diaphragm disc inner membrane makes a reciprocating motion under the pressure change.

[0018] A helium filling module, connected to the dehumidification monitoring system, is used to fill helium into the inner cavity of the permeable membrane tube to control the helium concentration.

[0019] In one embodiment, the power source module includes: a double-headed pump compressor, a negative pressure tank, and a positive pressure tank. The double-headed pump compressor is used to inhale or discharge gas in the atmospheric environment to provide cavity pressure. The double-headed pump compressor includes a negative pressure pump head and a positive pressure pump head, and the negative pressure pump head and the positive pressure pump head are independently controlled. The negative pressure pump head is connected to the negative pressure tank, and the positive pressure pump head is connected to the positive pressure tank.

[0020] In one embodiment, the drive control module includes: a negative pressure pipeline control unit, one end of which is connected to the negative pressure tank and the other end is connected to the inner cavity of the permeable membrane tube, and is used to control the gas flow in the negative pressure pipeline; a positive pressure pipeline control unit, one end of which is connected to the positive pressure tank and the other end is connected to the inner cavity of the permeable membrane tube, and is used to control the gas flow in the positive pressure pipeline; a branch pressure monitoring unit, which is arranged in the drive branch of the drive control module and is used to monitor the gas pressure in the drive branch.

[0021] In one embodiment, the helium filling module includes: a storage unit for storing the helium required by the system;

[0022] A pressure reducing unit for reducing the pressure of the helium output by the helium filling module.

[0023] In a third aspect, the present application provides a dehumidification monitoring method for an intra-aortic balloon pump, and the method includes the following steps:

[0024] In response to the start of the target device, obtain the pipeline pressure information of the target device and fill the target device with consumable gas;

[0025] In response to the pipeline pressure information meeting the preset pressure target value, obtain the helium monitoring information of the target device. The helium monitoring information includes helium concentration, helium humidity, or helium pressure;

[0026] If the helium monitoring information meets the preset gas replacement constraint condition, the target device enters the working state;

[0027] In response to the target device entering the working state, obtain the characteristic monitoring information of the target object. The characteristic monitoring information includes electrocardiogram monitoring data and blood pressure monitoring data, and control the target device based on the characteristic monitoring information.

[0028] The above dehumidification monitoring system for an intra-aortic balloon pump, deduced through the technical features in the claims, can achieve the following beneficial effects for the technical problems proposed in the corresponding background technology:

[0029] The present application provides a dehumidification monitoring system, including a dehumidification module, which has an inner cavity and an outer cavity of a permeable membrane tube. One side of the inner cavity of the permeable membrane tube is connected to a balloon module, and the other side is connected to an interface of a diaphragm disc housing, forming a helium gas pipeline; the outer cavity of the permeable membrane tube is used for circulating a purge gas; both helium gas and the purge gas can flow bidirectionally and the flowing directions of the helium gas and the purge gas are opposite, and the purge gas is used for dehumidifying the helium gas; a regulation module, which is used for regulating the purge direction of the purge gas, and is selectively connected to the outer cavity of the permeable membrane tube and a positive pressure pump head; or, connected to the outer cavity of the permeable membrane tube and a negative pressure pump head and / or a positive pressure tank.

[0030] In implementation, the regulation module controls the purge direction of the purge gas according to the shuttling direction of the helium gas. The reverse circulation operation can dehumidify the helium gas with the highest efficiency; the inner cavity and the outer cavity of the permeable membrane tube are arranged in a double-cavity manner, and the inner and outer cavities are respectively connected to different pipelines. The inner and outer cavity bodies are smoothly arranged without any additional holes or grooves. This technical solution can reduce the dead volume of the system pipeline on the premise of ensuring normal water vapor exchange, thereby improving the gas shuttling efficiency and the corresponding efficiency of balloon inflation or contraction. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0032] Figure 1 It is a schematic diagram of the architecture of an intra-aortic balloon pump system provided in an embodiment of the present application;

[0033] Figure 2 It is a schematic diagram of the structure of an intra-aortic balloon pump system in a negative pressure pumping state before operation provided in an embodiment of the present application;

[0034] Figure 3 It is a schematic diagram of the structure of an intra-aortic balloon pump system in a helium filling state before operation provided in an embodiment of the present application;

[0035] Figure 4 It is a schematic diagram of the structure of an intra-aortic balloon pump system in a balloon inflation state during operation provided in an embodiment of the present application;

[0036] Figure 5 It is a schematic diagram of the structure of an intra-aortic balloon pump system in a balloon contraction state during operation provided in an embodiment of the present application.

[0037] Figure 6Schematic diagram of the method flow of a dehumidification monitoring method for an intra-aortic balloon pump system provided in an embodiment of the present application. Detailed implementation manners

[0038] To facilitate the understanding of the present application, the present application will be described more comprehensively below with reference to the relevant drawings. Embodiments of the present application are shown in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided so that the disclosure of the present application is thorough and comprehensive.

[0039] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs. The terms used herein in the description of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application.

[0040] It can be understood that the terms "first", "second", etc. used in the present application can be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish the first element from another element. For example, without departing from the scope of the present application, the first resistor can be called the second resistor, and similarly, the second resistor can be called the first resistor. Both the first resistor and the second resistor are resistors, but they are not the same resistor.

[0041] It can be understood that "connection" in the following embodiments should be understood as "electrical connection", "communication connection", etc. if there is an electrical signal or data transmission between the connected circuits, modules, units, etc.

[0042] It can be understood that "at least one" means one or more, and "a plurality" means two or more. "At least part of an element" means part or all of the element.

[0043] As used herein, the singular forms "a", "an" and "the" may also include the plural forms unless the context clearly dictates otherwise. It should also be understood that the terms "comprises / comprising" or "has / including" etc. specify the presence of the stated features, wholes, steps, operations, components, parts or combinations thereof, but do not preclude the presence or addition of one or more other features, wholes, steps, operations, components, parts or combinations thereof. At the same time, the term "and / or" used in this specification includes any and all combinations of the related listed items.

[0044] An embodiment of the present application provides a dehumidification monitoring system 400. See Figure 1, comprising: a dehumidification module having a lumen 411 of a permeable membrane tube and an outer cavity 412 of the permeable membrane tube. One side of the lumen 411 of the permeable membrane tube is connected to a balloon module 600, and the other side is connected to an interface 301b of a diaphragm disc housing 301 to form a helium gas pipeline. The outer cavity 412 of the permeable membrane tube is used for circulating a purge gas. Both helium gas and the purge gas can flow bidirectionally and the flow directions of the helium gas and the purge gas are opposite. The purge gas is used for dehumidifying the helium gas; a regulation module for regulating the purge direction of the purge gas, selectively connected to the outer cavity 412 of the permeable membrane tube and a positive pressure pump head 112; or, connected to the outer cavity 412 of the permeable membrane tube and a negative pressure pump head 111 and / or a positive pressure tank 130.

[0045] Exemplarily, the permeable membrane tube cavity 410 includes a lumen 411 of the permeable membrane tube and an outer cavity 412 of the permeable membrane tube. The lumen 411 of the permeable membrane tube is preferably a nafion tube cavity manufactured by Perma-Pure Inc. The 411a side of the lumen 411 of the permeable membrane tube is connected to the 301b interface of the diaphragm disc housing 301 in the diaphragm disc module 300. The outer cavity 412 of the permeable membrane tube can be customized with acrylic. Holes are opened on the outer cavity surface near the 411a side to connect a pipeline from the intake port 1 of the reverse purge solenoid valve S4 and the outlet port 2 of the forward purge solenoid valve S5. At the same time, a flow restrictor FR is connected in series on the main pipeline to further increase the flow rate of the purge gas, and can quickly blow away the water vapor permeated from the lumen 411 of the permeable membrane tube cavity from the surface to enhance the dehumidification and drying effect. By providing the permeable membrane tube cavity 410, it helps the moisture in the helium gas to permeate and precipitate through the permeable membrane tube cavity, so that the water vapor can be separated and blown away from the surface, further enhancing the dehumidification and drying effect.

[0046] In one embodiment, the dehumidification monitoring system 400 further includes: a pressure monitoring unit disposed in the lumen 411 of the permeable membrane tube for monitoring the gas pressure information in the lumen 411 of the permeable membrane tube; a humidity monitoring unit disposed in the lumen 411 of the permeable membrane tube for monitoring the gas humidity information in the lumen 411 of the permeable membrane tube; a helium concentration monitoring unit disposed in the lumen 411 of the permeable membrane tube for monitoring the gas helium concentration information in the lumen 411 of the permeable membrane tube.

[0047] In this embodiment, a pressure monitoring unit, a humidity monitoring unit, and a helium concentration monitoring unit are provided in the dehumidification monitoring system 400. Exemplarily, the pressure monitoring unit, the humidity monitoring unit, and the helium concentration monitoring unit can be respectively set as a pressure sensor X2, a humidity sensor Rh1, and a helium concentration sensor C1, which helps to monitor the helium in the helium pipeline, helps to timely detect and handle abnormal conditions such as abnormal water vapor and helium concentration in the pipeline, thereby reducing the excessive use of helium caused by timed automatic helium filling, resulting in too high consumable usage costs, or insufficient helium usage leading to a decrease in the response efficiency of balloon expansion and contraction, affecting the auxiliary gain effect during the interventional treatment of the target object. On the other hand, it can also avoid misjudging air leakage or helium loss based on balloon pressure at high heart rates. It helps to improve the response efficiency of the system and the stability of operation.

[0048] In one embodiment, the regulation module includes a forward purge branch and a reverse purge branch. One end of the forward purge branch is connected to the negative pressure pump head 111 and the positive pressure tank 130, and the other end is connected to the outer cavity 412 of the permeable membrane tube; one end of the reverse purge branch is connected to the positive pressure pump head 112, and the other end is connected to the outer cavity 412 of the permeable membrane tube; both the forward purge branch and the reverse purge branch are provided with two-position two-way solenoid valves. In other embodiments, it can be set that one end of the forward purge branch is connected to the negative pressure pump head 111, and the other end is connected to the outer cavity 412 of the permeable membrane tube, or one end of the forward purge branch is connected to the positive pressure tank 130, and the other end is connected to the outer cavity 412 of the permeable membrane tube.

[0049] Exemplarily, the forward purge branch is provided with a forward purge solenoid valve S5. The port 1 of S5 is connected to the negative pressure pump head 111 and the positive pressure tank 130, and the port 2 of S5 is connected to the outer cavity 412 of the permeable membrane tube; the reverse purge branch is provided with a reverse purge solenoid valve S4. The port 1 of S4 is connected to the outer cavity 412 of the permeable membrane tube, and the port 2 of S4 is connected to the positive pressure pump head 112. Both the forward purge solenoid valve S5 and the reverse purge solenoid valve S4 are two-position two-way solenoid valves. The side of the outer cavity 412 of the permeable membrane tube close to the balloon module 600 is communicated with air.

[0050] The forward purge branch and the reverse purge branch function alternately. When the purge gas flows in the direction close to the balloon module 600, the port 1 and port 2 of the forward purge solenoid valve S5 are communicated, and the reverse purge solenoid valve S4 is disconnected; when the purge gas flows in the direction away from the balloon module 600, the port 1 and port 2 of the reverse purge solenoid valve S4 are communicated, and the forward purge solenoid valve S5 is disconnected.

[0051] In one embodiment of the present invention, the dehumidification monitoring system 400 further includes a flow limiter 420, which is arranged on the main paths of the forward purge branch and the reverse purge branch. The flow limiter helps to control the air flow pressure in the purge gas pipeline, thereby further enhancing the gas flow rate and helping to enhance the dehumidification and drying treatment effect.

[0052] This application provides a dehumidification monitoring system. The permeable membrane lumen of the dehumidification module is set with a double lumen. Helium gas flows through the inner lumen of the permeable membrane tube, and purge gas flows through the outer lumen of the permeable membrane tube. And this dehumidification monitoring system always ensures that the flow directions of helium gas and purge gas are opposite. Since the flow direction of helium gas changes in real time, the purge gas will also change with the change of the flow direction of helium gas. When helium gas flows towards the side close to the balloon module, the purge gas flows towards the side away from the balloon module; when helium gas flows towards the side away from the balloon module, the purge gas flows towards the side close to the balloon module. By setting the purge gas in the direction opposite to the flow direction of helium gas, the dehumidification efficiency of helium gas can be maximally improved. In addition, the dehumidification monitoring system is also provided with a regulation module. The regulation module is connected to the dehumidification module, and the regulation module adjusts the purge direction of the purge gas according to the flow direction of helium gas. The regulation module is provided with a forward purge branch and a reverse purge branch, and a forward purge solenoid valve S5 and a reverse purge solenoid valve S4 are respectively arranged on the forward purge branch and the reverse purge branch. Both solenoid valves are two-position two-way solenoid valves. The purge direction of the purge gas is adjusted by adjusting the opening and closing of the two solenoid valves. By implementing the above dehumidification monitoring system, the following beneficial effects can be achieved:

[0053] For the dehumidification monitoring system 400 of this application, both the inner and outer cavities of the dehumidification module extend along the axial direction of the helium gas flow, and the inner wall of the inner lumen 411 of the permeable membrane tube is smoothly arranged. The tube wall surface extends continuously along the axial direction and does not have a branch passage perpendicular to the axial direction, and no grooves are arranged on the tube wall surface. This design ensures that helium gas always flows along the axial direction, that is, it has no dead volume and no liquid droplets will accumulate in this pipeline. This can greatly improve the shuttle efficiency of helium gas, reduce the amount of helium gas used, reduce the economic cost of use, and improve the response efficiency of balloon inflation or deflation. In addition, this application only uses two solenoid valves to control the flow direction of the purge gas. On the one hand, it can regulate the purge gas to flow forward and backward respectively. Compared with the purge gas that can only flow in one direction, it can greatly increase the contact area between the purge gas and helium gas and improve the dehumidification efficiency; on the other hand, there is no need to additionally set a cooling system, which reduces the volume of the dehumidification monitoring system used and reduces energy consumption.

[0054] The embodiment of this application also provides an intra-aortic balloon pump system, which includes a dehumidification monitoring system 400, and also includes a balloon module 600, a power source module 100, a drive control module 200, a diaphragm disc module 300, and a helium filling module 500.

[0055] Among them, the balloon module 600 is arranged at the intervention site of the target object and is used to expand or contract under the control of the balloon pump system to achieve the purpose of assisting medical treatment.

[0056] Among them, the power source module 100 is used to provide the power supply and gas source power required by the balloon pump system.

[0057] Among them, the drive control module 200 is connected to the power source module 100 and is arranged in the output pipeline of the power source module 100, and is used to control the input and output of the power source module 100 to control the expansion and contraction of the balloon 610.

[0058] Among them, the diaphragm disc module 300 is arranged between the drive control module 200 and the dehumidification monitoring system 400. The diaphragm disc module 300 includes a diaphragm disc housing 301 and a diaphragm disc inner membrane 302, and the diaphragm disc inner membrane 302 reciprocates under pressure changes.

[0059] The helium filling module 500 is connected to the dehumidification monitoring system 400 and is used to fill helium into the lumen 411 of the permeable membrane tube to control the concentration of the helium.

[0060] In one embodiment, the power source module 100 may include a double-headed diaphragm / plunger pump compressor 110, a negative pressure tank 120, a positive pressure tank 130, a filter PF1, and a silencer SM1. The double-headed diaphragm / plunger pump compressor 110, as the core component of the power source module 100, is responsible for inhaling or discharging gas in the atmospheric environment to provide chamber pressure. More specifically, the double-headed diaphragm / plunger pump compressor 110 has two independently operating pump heads, namely a negative pressure pump head 111 and a positive pressure pump head 112. The intake port side 111b (i.e., inhaling gas into the compressor) of the negative pressure pump head 111 is connected to the 120a port of the negative pressure tank 120 to provide a stable chamber pressure below 150 mmHg absolute pressure for the negative pressure tank 120. The outlet side 112b (i.e., the compressor discharging gas) of the positive pressure pump head 112 is connected to the 130a port of the positive pressure tank 130 to provide positive pressure for the positive pressure tank 130. At the same time, the positive pressure tank 130 is equipped with a pressure stabilizing valve RG1 to stabilize the pressure in the positive pressure tank at 390 mmHg ± 10 mmHg gauge pressure and discharge the gas with excess pressure. The outlet 111a of the negative pressure pump head 111 and the intake port 112a of the positive pressure pump head 112 are connected in parallel and then connected in series with the silencer SM1 and discharged into the atmosphere. The silencer SM1 facilitates noise reduction and helps to improve the usage experience of the balloon pump system.

[0061] In one of the embodiments, the drive control module includes:

[0062] The negative pressure pipeline control unit is connected to the negative pressure tank at one end and the inner cavity of the permeable membrane tube at the other end, and is used to control the gas flow in the negative pressure pipeline; the positive pressure pipeline control unit is connected to the positive pressure tank at one end and the inner cavity of the permeable membrane tube at the other end, and is used to control the gas flow in the positive pressure pipeline; the branch pressure monitoring unit is arranged in the driving branch of the driving control module 200 and is used to monitor the gas pressure in the driving branch. It helps to improve the efficiency of branch control, thereby improving the overall stability of the system.

[0063] Exemplarily, the driving control module 200 may include a negative pressure solenoid valve S2, a positive pressure solenoid valve S3, and a driving branch pressure sensor X1. The air inlet 120c of the negative pressure tank 120 is connected to the air outlet port 2 of the negative pressure solenoid valve S2, the air outlet 130c of the positive pressure tank 130 is connected to the air inlet port 1 of the positive pressure solenoid valve S3, the air inlet port 1 of the negative pressure solenoid valve S2 and the air outlet port 2 of the positive pressure solenoid valve S3 are connected in parallel and then connected in series with the driving branch pressure sensor X1, and are connected to the driving side port 301a of the diaphragm disc housing 301 in the diaphragm disc module 300. Both the negative pressure solenoid valve S2 and the positive pressure solenoid valve S3 are two-position two-way solenoid valves, and can adjust their own startup and disconnection according to the operating conditions of the intra-aortic balloon pump system. The negative pressure solenoid valve S2 and the positive pressure solenoid valve S3 alternately play roles in the intra-aortic balloon pump system.

[0064] Exemplarily, the diaphragm disc module 300 includes a diaphragm disc housing 301 and a diaphragm disc inner membrane 302. The diaphragm disc housing 301 can be made of metal aluminum or high molecular plastic to reduce the weight of the whole machine. The diaphragm disc inner membrane 302 can be made of soft membrane materials such as polyurethane, and can respond quickly during the reciprocating operation of the diaphragm according to the pressure change, and will not deform or break during long-term use.

[0065] In one embodiment, the helium filling module includes:

[0066] A storage unit for storing the helium required for the system;

[0067] A decompression unit for decompressing the helium output by the helium filling module. By setting the decompression unit, it helps to improve the stability of the helium output by the helium filling module and improve the control accuracy.

[0068] Exemplarily, the helium filling module 500 may include a helium gas cylinder 501, a secondary pressure reducing valve RG2, and a three-position three-way solenoid valve S1. The gas cylinder may be filled with 99.99% medical-grade helium gas, with a pressure of 2200 psi and a volume of 1 L. The gas pressure is reduced to 6 PSI through the secondary pressure reducing valve RG2, and then connected to the inlet port 1 of the three-position three-way solenoid valve S1. The outlet port 2 of the three-position three-way solenoid valve S1 is connected to the outlet end 301b of the diaphragm disc housing 301 of the diaphragm disc 300 and the inlet end 411a of the lumen 411 of the permeable membrane tube of the dehumidification monitoring system 400. The working port 3 of the three-position three-way solenoid valve S1 is connected to the inlet port 120b of the negative pressure tank 120 of the power source module 100. The solenoid valve S1 can control the connection between port 2 and port 3 or the connection between port 1 and port 2. When port 2 and port 3 are connected, the positive pressure tank 120 is connected to the lumen 411 of the permeable membrane tube, and the intra-aortic balloon pump system is in a vacuum state, and the balloon 610 contracts; when port 1 and port 2 are connected, the helium gas cylinder 501 is connected to the lumen 411 of the permeable membrane tube, and the intra-aortic balloon pump system is in a helium filling state, and the balloon 610 expands.

[0069] Further, the balloon module 600 includes a balloon 610 and a gas extension tube 612. One end of the gas extension tube 612 is connected to the balloon 610 through a port 612b, and the other end is connected to the port 411b of the lumen 411 of the permeable membrane tube in the dehumidification monitoring system 400 through a standard Luer connector.

[0070] Based on the same inventive concept, the embodiment of the present application also provides a dehumidification monitoring method for an intra-aortic balloon pump, as Figure 6 shown, including:

[0071] Step 302: In response to the start of the target device, obtain the pipeline pressure information of the target device, and fill the target device with consumable gas;

[0072] Step 304: In response to the pipeline pressure information meeting a preset pressure target value, obtain the helium monitoring information of the target device, where the helium monitoring information includes helium concentration, gas humidity, and helium pressure;

[0073] Step 306: If the helium monitoring information meets a preset gas replacement constraint condition, the target device enters a working state;

[0074] Step 308: In response to the target device entering the working state, obtain the characteristic monitoring information of the target object, where the characteristic monitoring information includes electrocardiogram monitoring data and blood pressure monitoring data, and control the target device based on the characteristic monitoring information.

[0075] Exemplarily, when the device is started and runs, it first enters the helium replacement state, that is, alternately cycles steps 302 and 304.

[0076] In the process of step 302, refer to Figure 2 , by switching the three-position three-way solenoid valve S1, the port 3 and the port 2 are connected, and the gas in the dehumidification monitoring system 400 and the balloon module 600 is continuously pumped away by the negative pressure tank 120 through the air inlet 120b until the gas pressure X2 in the dehumidification monitoring system 400 and the balloon module 600 reaches the target pressure of 150 mmHg and stops. In the process of step 304, refer to Figure 3 , by switching the three-position three-way solenoid valve S1, the port 1 and the port 2 are connected, and the helium gas in the helium gas cylinder 501 enters the dehumidification monitoring system 400 and the balloon module 600 through S1. When the gas pressure X2 in the dehumidification monitoring system 400 and the balloon module 600 reaches the target inflation pressure, read whether the helium concentration sensor C1 reaches the corresponding target value. If the corresponding target value is not reached, steps 302 and 304 are repeated. If the corresponding target value is reached, it indicates that the helium replacement state is completed. At this time, the 1 port and the 2 port of the solenoid valve S1 are disconnected. By continuously monitoring the helium concentration and helium pressure, the usage amount of helium can be minimized as much as possible, rather than the fixed number of cycles under the past conservative estimate. Therefore, the cost of helium consumables can be effectively saved and the number of replacements of helium gas cylinders can be reduced.

[0077] Subsequently, the device enters the balloon working state. Refer to Figure 4 , during the balloon working process, under the electrocardiogram monitoring and blood pressure monitoring of the device, the time to turn on the positive pressure solenoid valve S3 next time is predicted through T-wave prediction or arterial pressure trigger threshold. The solenoid valve S3 is turned on, and the air in the positive pressure tank 130 enters the diaphragm disc 300 through the solenoid valve S3, prompting the inner membrane 302 of the diaphragm disc to move towards the side close to the balloon module 600, causing the balloon to expand, and then prompting the blood to flow towards the coronary artery at the root of the aortic valve and the downstream of the descending aorta, improving the cardiac output. At the same time, the reverse purge solenoid valve S4 is turned on simultaneously. When the helium gas flows from the diaphragm disc 300 to the balloon 610, the 112a port of the positive pressure pump head 112 continuously pumps away the air outside the permeable membrane tube outer cavity 412, realizing that the flow direction of the purge gas is opposite to the flow direction of the helium gas, maximizing the drying efficiency. The positive pressure solenoid valve S3 usually has an opening time between 100 ms and 180 ms to achieve a stable state of helium gas flow, while the opening time of the reverse purge solenoid valve S4 runs through the entire balloon inflation stage to cover the purge gas flow in the complete stage.

[0078] Refer to Figure 5, during operation, under electrocardiogram monitoring and blood pressure monitoring, the device predicts the time to turn on the negative pressure solenoid valve S4 through R-wave prediction or arterial pressure trigger threshold. The solenoid valve S2 is turned on, and the negative pressure pump head 111 sucks out the air in the diaphragm disc 300 through the solenoid valve S2, causing the inner membrane 302 of the diaphragm disc to move away from the balloon module 600, making the balloon contract. The cavitation effect effectively reduces the afterload pressure for opening the aortic valve and alleviates problems such as reduced cardiac output caused by insufficient cardiac contractility in heart failure patients. At the same time, the reverse purge solenoid valve S5 is turned on synchronously. When helium flows from the balloon 610 to the diaphragm disc 300, the 130b port of the positive pressure tank 130 and the 111a port of the negative pressure pump head 111 continuously blow away the air in the outer cavity 412 of the membrane-penetrating tube, making the flow direction of the purge gas opposite to the flow direction of helium and maximizing the drying efficiency. The negative pressure solenoid valve S2 usually has an opening time of 250 ms to achieve a stable state of helium flow, while the forward purge solenoid valve S5 runs through the entire balloon contraction stage to cover the purge gas flow in the complete stage.

[0079] When S3 is turned on in each round and the balloon is in the inflated state, the value of the helium concentration sensor C1 is read. If it exceeds the reasonable allowable range, it automatically enters the helium replacement state. When the balloon is in the contracted state in each round of S4, the humidity sensor Rh1 is read. If it exceeds the reasonable allowable range, it automatically enters the helium replacement state.

[0080] The device continuously runs in a loop throughout the process until the user presses the standby button.

[0081] It can be understood that the above dehumidification monitoring system and monitoring method of an intra-aortic balloon pump can also adopt other forms, not limited to the forms already mentioned in the above embodiments, as long as it can achieve the functions of improving the response efficiency of the dehumidification monitoring system and reducing the interference with the normal operation of the balloon pump.

[0082] In the description of this specification, the descriptions referring to terms such as "some embodiments", "other embodiments", etc. mean that the specific features, structures, materials, or features described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic descriptions of the above terms do not necessarily refer to the same embodiment or example.

[0083] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as within the scope described in this specification.

[0084] The above-described embodiments merely represent several implementation manners of the present application. The description thereof is relatively specific and detailed, but it should not be construed as a limitation to the scope of the present application. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, several modifications and improvements can still be made, and these all fall within the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.

Claims

1. A dehumidification monitoring system, characterized in that: include: The dehumidification module comprises a permeable membrane tube inner cavity and a permeable membrane tube outer cavity, one side of the permeable membrane tube inner cavity is connected to the balloon module, and the other side is connected to the interface of the diaphragm disk shell to form a helium pipeline; the permeable membrane tube outer cavity is used for circulating the purge gas; the helium and the purge gas can both circulate in two directions and the circulation directions of the helium and the purge gas are opposite, and the purge gas is used to dehumidify the helium; The control module is used to control the purge direction of the purge gas, and can selectively connect the outer cavity of the transmembrane tube with the positive pressure pump head; or connect the outer cavity of the transmembrane tube with the negative pressure pump head and / or the positive pressure tank.

2. A dehumidification monitoring system according to claim 1, characterized in that: Also includes: A pressure monitoring unit, disposed in the inner cavity of the permeable membrane tube, for monitoring the gas pressure information in the inner cavity of the permeable membrane tube; A humidity monitoring unit, disposed in the inner cavity of the permeable membrane tube, for monitoring the humidity information of the gas in the inner cavity of the permeable membrane tube; The helium concentration monitoring unit is arranged in the inner cavity of the permeable membrane tube and is used to monitor the helium concentration information in the inner cavity of the permeable membrane tube.

3. A dehumidification monitoring system according to claim 1, characterized in that: The control module includes a forward purge branch and a reverse purge branch, one end of the forward purge branch is connected to the negative pressure pump head and / or the positive pressure tank, and the other end is connected to the outer cavity of the transmembrane tube; one end of the reverse purge branch is connected to the positive pressure pump head, and the other end is connected to the outer cavity of the transmembrane tube; the forward purge branch and the reverse purge branch are both provided with a two-position two-way solenoid valve.

4. A dehumidification monitoring system according to claim 3, characterized in that: The control module includes: The flow limiter is arranged in the main path of the forward purge branch and the reverse purge branch, and is used to control the airflow pressure of the purge gas and enhance the flow rate of the purge gas.

5. A dehumidification monitoring system according to claim 3, characterized in that: Either the forward purge branch or the reverse purge branch is connected.

6. An intra-aortic balloon pump system, comprising the dehumidification monitoring system according to any one of claims 1 to 5, characterized in that: Also includes: a balloon module, disposed at the intervention site of the target object, for expanding or contracting under the control of the system to achieve auxiliary medical purposes; A power source module, used to provide the electrical power and gas power required by the system; A drive control module, connected to the power source module and disposed in an output pipeline of the power source module, for controlling the input and output of the power source module to control the expansion and contraction of the balloon; A diaphragm disc module is provided between the drive control module and the dehumidification monitoring system, wherein the diaphragm disc module comprises a diaphragm disc outer shell and a diaphragm disc inner membrane, and the diaphragm disc inner membrane performs reciprocating motion under pressure change; A helium filling module is connected to the dehumidification monitoring system and is used to fill the inner cavity of the permeable membrane tube with helium to control the concentration of the helium.

7. An intra-aortic balloon pump system according to claim 6, characterized in that: The power source module comprises: A double-head pump compressor, a negative pressure tank and a positive pressure tank, wherein the double-head pump compressor is used to inhale or discharge gas from the atmospheric environment to provide cavity pressure, and the double-head pump compressor includes a negative pressure pump head and a positive pressure pump head, wherein the negative pressure pump head and the positive pressure pump head are independently controlled, the negative pressure pump head is connected to the negative pressure tank, and the positive pressure pump head is connected to the positive pressure tank.

8. An intra-aortic balloon pump system according to claim 6, characterized in that: The drive control module comprises: A negative pressure pipeline control unit, one end of which is connected to the negative pressure tank and the other end of which is connected to the inner cavity of the membrane-permeable tube, for controlling the gas flow in the negative pressure pipeline; A positive pressure pipeline control unit, one end of which is connected to the positive pressure tank and the other end of which is connected to the inner cavity of the membrane-permeable tube, for controlling the gas flow in the positive pressure pipeline; The branch pressure monitoring unit is arranged in the driving branch in the driving control module and is used to monitor the gas pressure in the driving branch.

9. The intra-aortic balloon pump system according to claim 6, characterized in that: The helium filling module comprises: A storage unit, used for storing helium required for use by the system; The decompression unit is used to decompress the helium output by the helium filling module.

10. A dehumidification monitoring method for an intra-aortic balloon pump system, characterized in that: The method comprises the following steps: In response to the start-up of the target device, obtaining pipeline pressure information of the target device, and charging the target device with consumable gas; In response to the pipeline pressure information satisfying a preset pressure target value, obtaining helium monitoring information of the target device, the helium monitoring information including helium concentration, helium humidity or helium pressure; If the helium monitoring information satisfies the preset gas replacement constraint condition, the target device enters a working state; In response to the target device entering the working state, characteristic monitoring information of the target object is acquired, the characteristic monitoring information includes electrocardiogram monitoring data and blood pressure monitoring data, and the target device is controlled based on the characteristic monitoring information.

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