Electromagnetic orbital external counterpulsation device

Abstract

The invention belongs to the technical field of external counterpulsation, in particular to an electromagnetic track-type external counterpulsation device, which includes a binding belt wrapped around a patient's limb, and the two ends of the binding belt are respectively connected with an electromagnetic track and a bearing slider; The track includes two parallel and spaced carrier plates, the opposite surfaces of the two carrier plates are provided with spaced permanent magnets and the magnetic properties of the adjacent or opposite permanent magnets on the two carrier plates are different; The carrying slider is arranged in the electromagnetic track, and at least two opposite-sex electromagnets adjacent to the interval are arranged on the side adjacent to the carrier plate; wherein, the special-shaped electromagnet on the carrying slider is connected with three-phase frequency modulation and amplitude modulation power and Drive it to move along the direction defined by the two carrier plates; by controlling the magnetic direction and strength of the opposite sex electromagnets on both sides of the carrier slider, the movement direction of the carrier slider in the electromagnetic track is realized, and the tightening or tightening of the binding belt is realized. Relax, squeeze or release the patient's limbs to achieve the therapeutic effect of counterpulsation.

Description

technical field [0001] The invention belongs to the technical field of external counterpulsation, in particular to an electromagnetic track type external counterpulsation device. Background technique [0002] Counterpulsation is a method of assisting circulation by mechanically reducing systolic blood pressure and increasing diastolic blood pressure in the aorta to assist the heart to work, improve blood circulation, and increase blood perfusion of the heart, brain, kidneys and other organs . Counterpulsation increases the blood supply of the coronary arteries by increasing the diastolic pressure of the aorta, rescues the ischemic myocardium, and improves the pumping function of the heart. Commonly used counterpulsation methods include intra-aortic balloon counterpulsation and external counterpulsation. [0003] External counterpulsation is a method of non-invasively pressing the lower body outside the body to reduce and eliminate the symptoms of angina pectoris and improv...

AI Technical Summary

Problems solved by technology

[0004] However, the traditional airbag inflation and pressurization method is not precise enough to control the extrusion force, and the speed response is slow

Specifically, the process of air bag inflation and pressurization is the process of gas compression transfer, that is, the movement of gas in the gas path is a process of pressure equalization under the condition of pressure difference. Compared with contact mechanical extrusion, this process The response speed is slow; at the same time, due to the non-linear pressure change of the gas path, the control is more complicated

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