An external counterpulsation pressurization system

Abstract

The embodiment of the present invention provides an extracorporeal counterpulsation pressurization system, comprising: a control panel, a computer control center, an air source pressure controller, an air source device, a counterpulsation sequential solenoid valve, an airbag device, and a sensor module. The control panel comprises a display module and a control module, the display module receives the airbag pressure information sent by the sensor module, and the control module sends the pressurization requirement set by the user to the computer control center. The computer control center is connected to the air source pressure controller and the counterpulsation sequential solenoid valve respectively, on the one hand, controls the gas delivered to the airbag by the air source device, and on the other hand, controls the inflation or exhaust state of the airbag through the counterpulsation sequential solenoid valve, so that the airbag pressure value is raised to the gradient pressure value at the highest; the gradient pressure value gradually increases according to the preset rules at every preset time, and stops increasing after reaching the preset terminal pressure value. During the remaining treatment time, the maximum pressure of the airbag in each counterpulsation cycle maintains the terminal pressure value. The sensor module collects the pressure value of the airbag device and transmits it to the control panel. The system can make the airbag pressure rise slowly and gradually to the set treatment pressure in a multi-step form according to the different physical conditions and tolerance differences of the patient, giving the patient a gradual adaptation process, and optimizing the patient's experience and treatment compliance.

Description

[Technical field]

[0001] The invention relates to the field of medical equipment, and in particular to an extracorporeal counterpulsation pressurization system. [Background technology]

[0002] EECP is a safe and effective non-invasive mechanical assisted circulation method. Its working principle is: the lower limbs and buttocks of the human body are wrapped with special airbags in sections. In the early stage of cardiac diastole, the airbags of each section are inflated and pressurized sequentially from far to near, driving the blood in the lower limbs and buttocks to flow back to the aorta, so as to increase the aortic diastolic pressure and blood volume, thereby improving the blood supply to important organs such as the heart, brain, kidneys and five senses; and before the cardiac systole, all the airbags are quickly and synchronously deflated, the compressed limb blood vessels suddenly open, the peripheral resistance drops sharply, the blood ejected from the left ventricle quickly flows into the limb arteries, and the heart afterload is reduced.

[0003] EECP has been used in clinic for more than 30 years and has treated a large number of patients with ischemic cardiovascular and cerebrovascular diseases. However, the existing EECP devices, after starting the gas source to start the treatment procedure, quickly increase the pressure in the airbag to the required treatment pressure according to the same rapid pressurization method, ignoring the physical conditions and tolerance differences of different patients, which seriously affects the patient's experience and treatment compliance. [Summary of the invention]

[0004] In view of this, an embodiment of the present invention provides an extracorporeal counterpulsation pressurization system, which can control the pressure in the airbag during the pressurization process according to the physical conditions and tolerance differences of different patients, so that the airbag pressure can slowly and gradually rise to the set treatment pressure in a multi-step form within a preset time, thereby improving the patient's comfort and treatment compliance.

[0005] The embodiment of the present invention provides an extracorporeal counterpulsation pressurization system, comprising: a control panel, a computer control center, an air source pressure controller, an air source device, a counterpulsation sequential solenoid valve, an air bag device, and a sensor module;

[0006] The control panel includes a display module and a control module;

[0007] The display module is used to receive the airbag pressure information sent by the sensor module, the sensor module is used to collect the airbag pressure information of the airbag device, and the airbag pressure information includes the airbag pressure value;

[0008] The control module is connected to the computer control center, and is used to generate the pressurization time and the maximum end pressure of the airbag according to the user's operation, and send the pressurization time and the maximum end pressure of the airbag to the computer control center;

[0009] The computer control center is connected to the gas source pressure controller and the counterpulsation sequential solenoid valve respectively, and is used to generate preset rules according to the pressurization time and the maximum end point pressure of the airbag, and send the preset rules to the gas source pressure controller, the gas source pressure controller is connected to the gas source device, and the gas source pressure controller is used to control the gas source device to provide gas for the airbag device according to the pressurization time and the maximum end point pressure of the airbag, and the computer control center is used to control the state switching of the counterpulsation sequential solenoid valve, so that the airbag pressure value will not increase after it reaches a preset gradient pressure value, the gradient pressure value increases according to the preset rules at preset time intervals, and the gradient pressure value stops increasing after reaching a preset end point pressure value;

[0010] The counterpulsation sequential solenoid valve is located at the connection between the air source device and the airbag device, and is used to control the inflation or exhaust state of the airbag device by switching the state.

[0011] Optionally, the sensor module is connected to the airbag device and the display module of the control panel respectively;

[0012] The sensor module is used to collect the airbag pressure information and send the airbag pressure value in the airbag pressure information to the display module. The display module is used to receive the airbag pressure value and display the airbag pressure value.

[0013] Optionally, the airbag device includes an air inlet and an air outlet, and each of the air inlet and the air outlet is provided with a counterpulsation sequential solenoid valve. The computer control center is used to control the counterpulsation sequential solenoid valve on the air inlet to inflate the airbag device, and the computer control center is used to control the counterpulsation sequential solenoid valve on the air outlet to deflate the airbag device.

[0014] Optionally, the display module includes an LED display device.

[0015] Optionally, the control module includes buttons and / or a touch screen.

[0016] Optionally, the sensor module is arranged inside the airbag device or at the part of the airbag device that contacts the human body.

[0017] Optionally, the air pressure in the air source device is greater than the maximum air pressure in the airbag device.

[0018] An extracorporeal counterpulsation pressurization system provided by an embodiment of the present invention comprises: a control panel, a computer control center, an air source pressure controller, an air source device, a counterpulsation sequential solenoid valve, an airbag device, and a sensor module. The control panel comprises a display module and a control module. The display module is used to receive airbag pressure information sent by the sensor module. The sensor module is used to collect airbag pressure information of the airbag device. The airbag pressure information comprises an airbag pressure value. The control module is connected to the computer control center and is used to generate a pressurization time and a maximum airbag endpoint pressure according to a user's operation, and sends the pressurization time and the maximum airbag endpoint pressure to the computer control center. The computer control center is respectively connected to the air source pressure controller and the counterpulsation sequential solenoid valve , used to generate preset rules according to the pressurization time and the maximum end pressure of the airbag, and send the preset rules to the air source pressure controller, the air source pressure controller is connected to the air source device, the air source pressure controller is used to control the air source device to provide gas for the airbag device according to the pressurization time and the maximum end pressure of the airbag, the computer control center is used to control the state switching of the counterpulsation sequential solenoid valve, so that the airbag pressure value will not increase after it reaches the preset gradient pressure value, the gradient pressure value will increase according to the preset rules every preset time, and the gradient pressure value will stop increasing after reaching the preset end pressure value, the counterpulsation sequential solenoid valve is located at the connection between the air source device and the airbag device, and is used to control the inflation or exhaust state of the airbag device through state switching. This set of extracorporeal counterpulsation pressurization system can control the pressure in the airbag during the pressurization process by setting the pressurization time and the maximum end pressure of the airbag according to the physical conditions and tolerance differences of different patients, so that the pressure value in the airbag can be gradually increased to the set treatment pressure in multiple stages, giving the patient a gradual adaptation process, and optimizing the patient's experience and treatment compliance.

Brief Description of the Drawings

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 A schematic diagram of the overall structure of an external counterpulsation and pressurization system provided by an embodiment of the present invention;

[0021] Figure 2 A schematic diagram of the structure of an external counterpulsation airbag provided in an embodiment of the present invention;

[0022] Figure 3 A schematic diagram of a pressurization method of an external counterpulsation pressurization system provided in an embodiment of the present invention. [Specific implementation method]

[0023] In order to better understand the technical solution of the present invention, the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0024] It should be clear that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] The terms used in the embodiments of the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. The singular forms "a", "said" and "the" used in the embodiments of the present invention and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings.

[0026] It should be understood that the term "and / or" used in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0027] The existing EVCP device can basically reach the set treatment pressure in about 30 seconds after the gas source is activated to start the treatment procedure. Generally, the treatment pressure is between 0.03 and 0.04 MP. Such pressure values ​​act on the buttocks and abdomen of the lower limbs of the human body, which will cause a strong sense of oppression for patients who are first exposed to EVCP treatment. Some patients will have fear, or find it difficult to tolerate the sharply increased pressure and cannot complete the EVCP treatment, or even develop a rejection mentality towards EVCP, which seriously affects the patients' persistence in completing the treatment and benefiting from it.

[0028] In order to solve the above problems, the present invention provides an external counterpulsation pressurization system, the overall structural schematic diagram of which is shown in FIG. Figure 1 The system includes: a control panel 1, a computer control center 2, an air source pressure controller 3, an air source device 4, a counterpulsation sequential solenoid valve 5, an air bag device 6, and a sensor module 7.

[0029] The control panel 1 includes a display module 1b and a control module 1a. The display module 1b is used to receive the airbag pressure information sent by the sensor module 7. The sensor module 7 is used to collect the airbag pressure information of the airbag device 6. The airbag pressure information includes the airbag pressure value.

[0030] In one embodiment, the display module includes an LED display device.

[0031] In one embodiment, the sensor module is disposed inside the airbag device or at a portion of the airbag device that contacts a human body.

[0032] The control module 1a is connected to the computer control center 2, and is used to generate the pressurization time and the maximum end pressure of the airbag according to the user's operation, and send the pressurization time and the maximum end pressure of the airbag to the computer control center 2;

[0033] The computer control center 2 is connected to the gas source pressure controller 3 and the counterpulsation sequential solenoid valve 5 respectively, and is used to generate a preset rule according to the pressurization time and the maximum end pressure of the airbag, and send the preset rule generation instruction to the gas source pressure controller 3. The gas source pressure controller 3 is connected to the gas source device 4, and the gas source device 4 is used to control the gas source device 4 to provide gas to the airbag device 6 according to the pressurization time and the maximum end pressure of the airbag. The computer control center 2 is used to control the state switching of the counterpulsation sequential solenoid valve 5, so that the airbag pressure value will not increase after it reaches the preset gradient pressure value, and the gradient pressure value will increase according to the preset rule every preset time, and the gradient pressure value will stop increasing after reaching the preset end pressure value;

[0034] The counterpulsation sequential solenoid valve 5 is located at the connection between the air source device 4 and the airbag device 6, and is used to control the inflation or exhaust state of the airbag device 6 by switching the state.

[0035] In one embodiment, the sensor module 7 is respectively connected to the airbag device 6 and the display module 1b of the control panel 1, and is used to collect airbag pressure information and send the airbag pressure value in the airbag pressure information to the display module 1b. The display module 1b is used to receive the airbag pressure value and display the airbag pressure value.

[0036] In one embodiment, if Figure 2 The figure shows a schematic diagram of an extracorporeal counterpulsation airbag structure provided by an embodiment of the present invention. The sensor module 7 is disposed inside the airbag device 6 or at the part of the airbag device that contacts the human body. The airbag device 6 includes three parts: upper, middle and lower. The upper airbag is disposed on the buttocks of the human body, the middle airbag is disposed on the thigh of the human body, and the lower airbag is disposed on the calf of the human body. The air pressure in the airbag devices at different parts is kept synchronized. The airbag device is used to drive the blood in the lower limbs and buttocks to flow back to the aorta when inflated, so as to increase the aortic diastolic pressure and blood volume; when venting, the compressed limb blood vessels suddenly open, and the peripheral circulation resistance drops sharply;

[0037] The counterpulsation sequential solenoid valve 5 is connected to the airbag device 6. The counterpulsation sequential solenoid valve 5 is used to control the inflation and deflation of the airbag device 6 by switching the state, and the state can be an inflation state or a deflation state. In one embodiment, the counterpulsation sequential solenoid valve 5 includes a valve core, a valve core sleeve, a drive coil, a magnetic conductor reset spring, a combined sealing ring, an air intake connector, an exhaust muffler, and a valve seat.

[0038] The airbag device 6 includes an air inlet and an air outlet, and each of the air inlet and the air outlet is provided with a counterpulsation sequential solenoid valve 5. When in the inflation state, the computer control center 2 sends a signal to the counterpulsation sequential solenoid valve 5a on the air inlet to open it; at the same time, it sends a signal to the counterpulsation sequential solenoid valve 5b on the air outlet to close it, so as to inflate the airbag device 6; when in the deflation state, the computer control center 2 sends a signal to the counterpulsation sequential solenoid valve 5a on the air inlet to close it; at the same time, it sends a signal to the counterpulsation sequential solenoid valve 5b on the air outlet to open it, so as to deflate the airbag device 6.

[0039] The computer control center 2 is used to control the state switching of the counterpulsation sequential solenoid valve 5, and at the same time control the air source pressure controller 3 to adjust the airbag pressure so that the airbag pressure value increases gradiently according to a preset rule at preset time intervals, and the gradient pressure value is not greater than the preset end point pressure value.

[0040] In one embodiment, the control module 1a includes buttons and / or a touch screen. In a specific implementation, the user can set the desired airbag endpoint pressure and pressurization time within a certain range through the buttons on the control panel 1 or the touch screen according to the patient's own condition.

[0041] In the embodiment of the present invention, Figure 3 As shown: the initial pressure of the airbag device 6 is the maximum pressure applied by the inflation of the first counterpulsation cycle. After each gradient interval, the maximum pressure applied by the airbag during a counterpulsation cycle increases by one gradient step unit. After a certain period of time, the maximum pressure of the airbag increases to the end pressure and no longer increases. During the remaining treatment time, the maximum pressure of the airbag in each counterpulsation cycle maintains the end pressure value. Sending a stop command to the control panel 1 can end the gradient mode.

[0042] As an optional solution, the user inputs the end pressure value and the pressurization time into the control panel 1 , and the control panel 1 transmits the information to the computer control center 2 .

[0043] As an optional solution, after receiving the request from the control panel 1, the computer control center 2 automatically calculates the pressure adjustment step and the adjustment time interval, and controls the gas source pressure controller and the counterpulsation sequential solenoid valve.

[0044] As an optional solution, the endpoint pressure value is set to 0.03MPa, and the pressurization time is 10 minutes. The initial pressure of the airbag (i.e., the maximum pressure applied during the first counterpulsation cycle) is 0.005MPa, the gradient interval is 2 minutes, and a gradient step unit is 0.005MPa. After each gradient interval, the maximum pressure applied during the inflation of the airbag during a counterpulsation cycle increases by one gradient step unit. After a certain period of time (after 10 minutes), the maximum pressure of the airbag increases to 0.03MPa and no longer increases. During the remaining treatment time, the maximum pressure of the airbag in each counterpulsation cycle maintains the endpoint pressure value.

[0045] As an optional solution, the endpoint pressure value is set to 0.035MPa, and the pressurization time is 30 minutes. The maximum pressure applied by the first counterpulsation cycle is 0.005MPa, the gradient interval is 5 minutes, and a gradient step unit is 0.005MPa. The maximum pressure applied by the airbag in each counterpulsation cycle is a gradient interval. The maximum pressure applied by the airbag in a counterpulsation cycle increases by one gradient step unit. After a certain period of time (after 30 minutes), the maximum pressure of the airbag increases to 0.035MPa and no longer increases. During the remaining treatment time, the maximum pressure of the airbag in each counterpulsation cycle maintains the endpoint pressure value.

[0046] As an optional scheme, the air pressure inside the air source device 4 is greater than the maximum air pressure inside the airbag device 6. When the air inlet pipeline of the airbag device 6 is opened, the gas automatically enters the airbag device 6 from the air source device 4. The minimum air pressure inside the airbag device 6 is greater than or equal to the external air pressure. When the air outlet pipeline of the airbag device 6 is opened, the gas automatically flows out of the airbag device 6 to the outside.

[0047] In one embodiment, the sensor module 7 can be arranged inside the airbag device 6 or at the contact part of the airbag device 6 with the human body. The sensor module 7 is connected to the airbag device 6 and the control panel 1 respectively; the sensor module 7 collects the airbag pressure value of the airbag device 6, and sends the airbag pressure value to the control panel 1 and then to the computer control center 2, and the computer control center 2 adjusts the air source pressure controller 3 and the counterpulsation sequential solenoid valve 5 according to the airbag pressure value.

[0048] In the technical solution provided by the embodiment of the present invention, the system includes a control panel, a computer control center, an air source pressure controller, an air source device, a counterpulsation sequential solenoid valve, an airbag device, and a sensor module. The control panel includes a display module and a control module. The display module receives the pressure information sent by the sensor module. The control module sends a control signal to the computer control center. The computer control center controls the air source pressure controller to adjust the airbag pressure, and at the same time controls the counterpulsation sequential solenoid valve to determine the inflation or exhaust state of the airbag. The air source device provides gas to the airbag device, and the sensor module collects the pressure value of the airbag device and transmits it to the control panel. The system allows the airbag pressure to slowly and gradually rise to the set treatment pressure in a multi-step form, giving the patient a gradual adaptation process, thereby enhancing the patient experience and improving the patient's compliance with external counterpulsation therapy.

[0049] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

[0050] The above is a preferred embodiment of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications are also considered to be within the scope of protection of the present application.

[0051] A person skilled in the art can understand that all or part of the processes in the above-mentioned embodiments can be implemented by instructing the relevant hardware through a computer program, and the program can be stored in a computer-readable storage medium, and when the program is executed, it can include the processes of the embodiments of the above-mentioned methods. The storage medium can be a disk, an optical disk, a read-only memory (ROM) or a random access memory (RAM), etc.

Claims

1. An external counterpulsation pressurization system, characterized in that: include: Control panel, computer control center, gas source pressure controller, gas source device, counterpulsation sequential solenoid valve, air bag device, sensor module; The control panel includes a display module and a control module; The display module is used to receive the airbag pressure information sent by the sensor module, the sensor module is used to collect the airbag pressure information of the airbag device, and the airbag pressure information includes the airbag pressure value; The control module is connected to the computer control center, and is used to generate the pressurization time and the maximum end pressure of the airbag according to the user's operation, and send the pressurization time and the maximum end pressure of the airbag to the computer control center; The computer control center is connected to the gas source pressure controller and the counterpulsation sequential solenoid valve respectively, and is used to generate preset rules according to the pressurization time and the maximum end point pressure of the airbag, and send the preset rules to the gas source pressure controller, the gas source pressure controller is connected to the gas source device, and the gas source pressure controller is used to control the gas source device to provide gas for the airbag device according to the pressurization time and the maximum end point pressure of the airbag, and the computer control center is used to control the state switching of the counterpulsation sequential solenoid valve, so that the airbag pressure value will not increase after it reaches a preset gradient pressure value, the gradient pressure value increases according to the preset rules at preset time intervals, and the gradient pressure value stops increasing after reaching a preset end point pressure value; The counterpulsation sequential solenoid valve is located at the connection between the air source device and the airbag device, and is used to control the inflation or exhaust state of the airbag device by switching the state; Among them, the preset rules are specifically as follows: the initial pressure of the airbag device is the maximum pressure applied by the inflation of the first counterpulsation cycle, and after each gradient interval, the maximum pressure applied by the airbag during inflation of a counterpulsation cycle increases by one gradient step unit. After a certain period of time, the maximum pressure of the airbag increases to the endpoint pressure and no longer increases. During the remaining treatment time, the maximum pressure of the airbag in each counterpulsation cycle maintains the endpoint pressure value.

2. The system according to claim 1, characterized in that The sensor module is respectively connected to the airbag device and the display module of the control panel; The sensor module is used to collect the airbag pressure information and send the airbag pressure value in the airbag pressure information to the display module. The display module is used to receive the airbag pressure value and display the airbag pressure value.

3. The system according to claim 1, characterized in that The airbag device includes an air inlet and an air outlet, and each of the air inlet and the air outlet is provided with a counterpulsation sequential solenoid valve. The computer control center is used to control the counterpulsation sequential solenoid valve on the air inlet to inflate the airbag device, and the computer control center is used to control the counterpulsation sequential solenoid valve on the air outlet to deflate the airbag device.

4. The system according to claim 2, characterized in that The display module includes an LED display device.

5. The system according to claim 2, characterized in that The control module includes buttons and / or a touch screen.

6. The system according to claim 1, characterized in that The sensor module is arranged inside the airbag device or at a portion of the airbag device that contacts a human body.

7. The system according to claim 1, characterized in that The air pressure in the air source device is greater than the maximum air pressure in the airbag device.

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