CN214632929U - External counterpulsation system - Google Patents
External counterpulsation system Download PDFInfo
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- CN214632929U CN214632929U CN202022667080.XU CN202022667080U CN214632929U CN 214632929 U CN214632929 U CN 214632929U CN 202022667080 U CN202022667080 U CN 202022667080U CN 214632929 U CN214632929 U CN 214632929U
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- 210000000689 upper leg Anatomy 0.000 claims description 55
- 244000309466 calf Species 0.000 claims description 11
- 210000001699 lower leg Anatomy 0.000 description 36
- 238000000034 method Methods 0.000 description 5
- 238000011282 treatment Methods 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 4
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 210000001217 buttock Anatomy 0.000 description 3
- 210000000709 aorta Anatomy 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000003414 extremity Anatomy 0.000 description 2
- 210000003141 lower extremity Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 208000026106 cerebrovascular disease Diseases 0.000 description 1
- 230000035487 diastolic blood pressure Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011337 individualized treatment Methods 0.000 description 1
- 230000000302 ischemic effect Effects 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 210000005240 left ventricle Anatomy 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000036581 peripheral resistance Effects 0.000 description 1
- 210000000697 sensory organ Anatomy 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
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- Control Of Fluid Pressure (AREA)
Abstract
The utility model discloses an external counterpulsation system, which comprises an air source device, a computer control terminal, a flow control device, a first air pressure sensor, a shank air storage tank, a shank air valve, a shank air bag, a second air pressure sensor, a shank air storage tank, a shank air valve, a shank air bag, a third air pressure sensor, a hip air valve and a hip air bag; the air outlet of the air source device is communicated with the air inlets of the air storage tanks; the air outlet of each air storage tank is communicated with the air inlet of the corresponding air bag; each air valve is respectively arranged between the corresponding air storage tank and the corresponding air bag; each air pressure sensor is connected with the computer control terminal and detects the air pressure of the corresponding air storage tank; the flow control device is connected with the computer control terminal and is used for controlling the air inlet state of each air storage tank. Through implementing the utility model discloses can improve the control precision to each gasbag atmospheric pressure.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to an external counterpulsation system.
Background
External counterpulsation is a safe and effective non-invasive mechanical auxiliary circulation method. The working principle is as follows: the lower limbs and the buttocks of a human body are wrapped by special air bags in sections, and in the early diastole, the air bags in each section are sequentially inflated and pressurized from far to near to drive the blood of the lower limbs and the buttocks to flow back to the aorta so as to improve the diastolic pressure and the blood volume of the aorta, thereby improving the blood supply of important organs such as the heart, the brain, the kidney, the five sense organs and the like; before the systole, all the air bags rapidly and synchronously exhaust air, the blood vessels of the pressed limbs are suddenly opened, the peripheral resistance is rapidly reduced, the blood ejected from the left ventricle rapidly flows into the arteries of the limbs, and the afterload of the heart is relieved. The external counterpulsation is applied to clinical treatment for more than 30 years, and a large number of patients with ischemic cardiovascular and cerebrovascular diseases are treated.
The prior external counterpulsation device mainly comprises the following components as shown in figure 1: the device comprises a power supply, a variable frequency controller, an origin device, a computer control system, an air pressure sensor, an air storage tank, a shank air valve, a shank air bag, a thigh air valve, a thigh air bag, a hip air valve and a hip air bag. The air pressure sensor detects the change condition of the pressure in the air storage tank, generates a corresponding pressure signal and transmits the pressure signal to the computer control system, the computer control system controls the air supply quantity of the air source device through the frequency conversion device according to the pressure signal, then controls the air pressure in the air storage tank, and the air valves of the three groups are matched to realize the control of the air pressure of the air storage tanks of the crus, the thighs and the buttocks air bags.
However, the air inlets of the three air valves in the above technical scheme are all connected to the same air storage tank, that is, the driving pressure provided by the three valves cannot be independently controlled, so that the air pressure of the air bag at a certain position cannot be accurately controlled, the accurate treatment cannot be favorably carried out, and the individualized treatment scheme cannot be carried out on the patient with special conditions. For example, clinically, patients who often suffer from serious waist diseases or have performed lumbar surgery need to accurately control the air pressure of the hip air bags when receiving external counterpulsation treatment, so that the air pressure of the hip air bags is stabilized at a lower level, but the air inflation and exhaust of the air bags of thighs, calves and even upper limbs are ensured, and the air pressure of the thighs and the calves air bags is stabilized at a higher level. At this time, the control of such differential air pressure cannot be realized by adopting the existing technical scheme.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide an external counterpulsation system can improve the control precision to each gasbag atmospheric pressure.
To achieve the above object, an embodiment of the present invention provides an external counterpulsation system, which comprises
The device comprises an air source device, a computer control terminal, a flow control device, a first air pressure sensor, a shank air storage tank, a shank air valve, a shank air bag, a second air pressure sensor, a thigh air storage tank, a thigh air valve, a thigh air bag, a third air pressure sensor, a hip air storage tank, a hip air valve and a hip air bag;
the air outlet of the air source device is respectively communicated with the air inlet of the shank air storage tank, the air inlet of the thigh air storage tank and the air inlet of the hip air storage tank;
the air outlet of the shank air storage tank is communicated with the air inlet of the shank air bag, the air outlet of the thigh air storage tank is communicated with the air inlet of the thigh air bag, and the air outlet of the hip air storage tank is communicated with the air inlet of the hip air bag;
the shank air valve is arranged between an air outlet of the shank air storage tank and an air inlet of the shank air bag, the thigh air valve is arranged between an air outlet of the thigh air storage tank and an air inlet of the thigh air bag, and the hip air valve is arranged between an air outlet of the hip air storage tank and an air inlet of the hip air bag;
the first air pressure sensor, the second air pressure sensor and the third air pressure sensor are respectively connected with the computer control terminal, and the first air pressure sensor is used for detecting the air pressure of the shank air storage tank; the second air pressure sensor is used for detecting the air pressure of the thigh air storage tank; the third air pressure sensor is used for detecting the air pressure of the hip air storage tank;
the flow control device is connected with the computer control terminal and is used for controlling the air inlet states of the shank air storage tank, the thigh air storage tank and the hip air storage tank.
Further, the flow control device comprises a first flow controller, a second flow controller and a third flow controller;
the first flow controller is arranged between the air source device and the shank air storage tank and is used for controlling the air inlet state of the shank air storage tank;
the second flow controller is arranged between the air source device and the thigh air storage tank and is used for controlling the air inlet state of the thigh air storage tank;
the third flow controller is arranged between the air source device and the hip air storage tank and is used for controlling the air inlet state of the hip air storage tank.
Further, the first air pressure sensor is arranged at an air outlet of the shank air storage tank; the second air pressure sensor is arranged at an air outlet of the thigh air storage tank; the third air pressure sensor is arranged at an air outlet of the hip air storage tank.
Further, the shank air valve, the thigh air valve and the hip air valve are all electromagnetic valves; the shank air valve, the thigh air valve and the hip air valve are all connected with the computer control terminal.
Further, the system also comprises a variable frequency controller, wherein the variable frequency controller is respectively connected with the computer control terminal and the air source device.
Through implementing the embodiment of the utility model provides a have following beneficial effect:
the embodiment of the utility model provides an external counterpulsation system compares with prior art the utility model discloses set up independent gas holder separately to every gasbag to set up corresponding baroceptor and come to detect the atmospheric pressure of each gas holder, and then realize the independent control to every gasbag. The working principle of the external counterpulsation system provided by the utility model is as follows: in the using process, the first air pressure sensor detects air pressure data of the shank air storage tank, the second air pressure sensor detects air pressure data of the thigh air storage tank, the third air pressure sensor detects air pressure data of the hip air storage tank, the computer control terminal receives the air pressure data of the air pressure sensors to generate a control instruction corresponding to each air storage tank and sends the control instruction to the flow control device, and the flow control device controls the air inlet state, such as air inlet amount, of each air storage tank according to the control instruction corresponding to each air storage tank. Therefore, the difference control of the air pressure in each air storage tank is realized, and the difference control of the air pressure of each air bag is further realized.
Drawings
Fig. 1 is a schematic diagram of the control principle of external counterpulsation in the prior art.
Fig. 2 is a control schematic diagram of the external counterpulsation system according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 2, the utility model provides an external counterpulsation system, which comprises: the device comprises an air source device, a computer control terminal, a flow control device, a first air pressure sensor, a shank air storage tank, a shank air valve, a shank air bag, a second air pressure sensor, a thigh air storage tank, a thigh air valve, a thigh air bag, a third air pressure sensor, a hip air storage tank, a hip air valve and a hip air bag;
the air outlet of the air source device is respectively communicated with the air inlet of the shank air storage tank, the air inlet of the thigh air storage tank and the air inlet of the hip air storage tank;
the air outlet of the shank air storage tank is communicated with the air inlet of the shank air bag, the air outlet of the thigh air storage tank is communicated with the air inlet of the thigh air bag, and the air outlet of the hip air storage tank is communicated with the air inlet of the hip air bag;
the shank air valve is arranged between an air outlet of the shank air storage tank and an air inlet of the shank air bag, the thigh air valve is arranged between an air outlet of the thigh air storage tank and an air inlet of the thigh air bag, and the hip air valve is arranged between an air outlet of the hip air storage tank and an air inlet of the hip air bag;
the first air pressure sensor, the second air pressure sensor and the third air pressure sensor are respectively connected with the computer control terminal, and the first air pressure sensor is used for detecting the air pressure of the shank air storage tank; the second air pressure sensor is used for detecting the air pressure of the thigh air storage tank; the third air pressure sensor is used for detecting the air pressure of the hip air storage tank;
the flow control device is connected with the computer control terminal and is used for controlling the air inlet states of the shank air storage tank, the thigh air storage tank and the hip air storage tank.
The control principle of the external counterpulsation system is as follows:
in the using process, the first air pressure sensor detects air pressure data of the shank air storage tank, the second air pressure sensor detects air pressure data of the thigh air storage tank and air pressure data of the third air pressure sensor, and the computer control terminal receives the air pressure data of the air pressure sensors to generate a control instruction corresponding to each air storage tank. And the control command is sent to the flow control device, and the flow control device controls the air inlet state of each air storage tank, such as the air inlet amount, according to the control command corresponding to each air storage tank. Therefore, the difference control of the air pressure in each air storage tank is realized, and the difference control of the air pressure of each air bag is further realized.
Taking the control of the calf air bag as an example, assuming that when the air pressure of the calf air bag is to be stabilized at a pascal, the air pressure of the calf air tank needs to reach B pascal, the current air pressure of the calf air tank detected by the first air pressure sensor is C pascal, and at the moment, C pascal is smaller than B pascal, at the moment, the air pressure data of the calf air tank received by the computer control terminal is C pascal and is smaller than a manually input set value of B pascal, at the moment, the computer control terminal sends a control instruction for increasing the air inflow of the calf air tank to the flow control device, and after receiving the control instruction, the flow control controller increases the air inflow of the calf air tank.
It should be noted that, the control methods related to the computer terminal and the flow controller are the prior art, and the present invention does not make any improvement on the methods.
In a preferred embodiment, the flow control device comprises a first flow controller, a second flow controller and a third flow controller; the first flow controller is arranged between the air source device and the shank air storage tank and is used for controlling the air inlet state of the shank air storage tank; the second flow controller is arranged between the air source device and the thigh air storage tank and is used for controlling the air inlet state of the thigh air storage tank; the third flow controller is arranged between the air source device and the hip air storage tank and is used for controlling the air inlet state of the hip air storage tank. In order to achieve a better independent control effect, the flow control device of the utility model is specifically divided into 3 flow controllers, and the air inlet state of each air storage tank is respectively controlled by each flow controller; preferably, the air intake state includes any one or more of the following combinations: the intake air amount and the intake air speed.
In a preferred embodiment, the first air pressure sensor is arranged at an air outlet of the lower leg air storage tank; the second air pressure sensor is arranged at an air outlet of the thigh air storage tank; the third air pressure sensor is arranged at an air outlet of the hip air storage tank.
In a preferred embodiment, the calf air valve, the thigh air valve and the hip air valve are all solenoid valves; the shank air valve, the thigh air valve and the hip air valve are all connected with the computer control terminal.
In a preferred embodiment, the system further comprises a variable frequency controller, and the variable frequency controller is respectively connected with the computer control terminal and the air source device. The frequency conversion controller controls the total gas production amount of the gas source device by receiving a control instruction of the computer control terminal, so that more accurate control is realized.
In a preferred embodiment, the device further comprises a noise reduction and heat dissipation device, and the noise reduction and heat dissipation device is arranged between the air source device and the flow control device. The noise reduction and heat dissipation device is added, so that the noise influence of the gas source during gas production can be eliminated, and heat dissipation is performed.
Through implementing the utility model discloses an embodiment can realize improving the precision to each atmospheric pressure control to the difference control of every gasbag, and then makes above-mentioned external counterpulsation device can be applicable to multiple treatment scene, improves treatment.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (5)
1. An external counterpulsation system, comprising: the device comprises an air source device, a computer control terminal, a flow control device, a first air pressure sensor, a shank air storage tank, a shank air valve, a shank air bag, a second air pressure sensor, a thigh air storage tank, a thigh air valve, a thigh air bag, a third air pressure sensor, a hip air storage tank, a hip air valve and a hip air bag;
the air outlet of the air source device is respectively communicated with the air inlet of the shank air storage tank, the air inlet of the thigh air storage tank and the air inlet of the hip air storage tank;
the air outlet of the shank air storage tank is communicated with the air inlet of the shank air bag, the air outlet of the thigh air storage tank is communicated with the air inlet of the thigh air bag, and the air outlet of the hip air storage tank is communicated with the air inlet of the hip air bag;
the shank air valve is arranged between an air outlet of the shank air storage tank and an air inlet of the shank air bag, the thigh air valve is arranged between an air outlet of the thigh air storage tank and an air inlet of the thigh air bag, and the hip air valve is arranged between an air outlet of the hip air storage tank and an air inlet of the hip air bag;
the first air pressure sensor, the second air pressure sensor and the third air pressure sensor are respectively connected with the computer control terminal, and the first air pressure sensor is used for detecting the air pressure of the shank air storage tank; the second air pressure sensor is used for detecting the air pressure of the thigh air storage tank; the third air pressure sensor is used for detecting the air pressure of the hip air storage tank;
the flow control device is connected with the computer control terminal and is used for controlling the air inlet states of the shank air storage tank, the thigh air storage tank and the hip air storage tank.
2. The extracorporeal counterpulsation system of claim 1, wherein said flow control means comprises a first flow controller, a second flow controller, and a third flow controller;
the first flow controller is arranged between the air source device and the shank air storage tank and is used for controlling the air inlet state of the shank air storage tank;
the second flow controller is arranged between the air source device and the thigh air storage tank and is used for controlling the air inlet state of the thigh air storage tank;
the third flow controller is arranged between the air source device and the hip air storage tank and is used for controlling the air inlet state of the hip air storage tank.
3. The extracorporeal counterpulsation system of claim 1, wherein said first pneumatic pressure sensor is disposed at an air outlet of said shank reservoir; the second air pressure sensor is arranged at an air outlet of the thigh air storage tank; the third air pressure sensor is arranged at an air outlet of the hip air storage tank.
4. The extracorporeal counterpulsation system of claim 1, wherein said calf valve, thigh valve and said hip valve are all solenoid valves; the shank air valve, the thigh air valve and the hip air valve are all connected with the computer control terminal.
5. The external counterpulsation system according to claim 1, further comprising a variable frequency controller, said variable frequency controller being connected to said computer control terminal and said gas source device, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022667080.XU CN214632929U (en) | 2020-11-17 | 2020-11-17 | External counterpulsation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022667080.XU CN214632929U (en) | 2020-11-17 | 2020-11-17 | External counterpulsation system |
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| Publication Number | Publication Date |
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| CN214632929U true CN214632929U (en) | 2021-11-09 |
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| CN202022667080.XU Active CN214632929U (en) | 2020-11-17 | 2020-11-17 | External counterpulsation system |
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- 2020-11-17 CN CN202022667080.XU patent/CN214632929U/en active Active
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