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Magnetic suspension pump

A magnetic levitation and magnet technology, applied in the field of medical equipment, can solve problems such as poor economy and waste of resources, and achieve the effects of reducing waste of resources, improving economy, and reducing use costs

Active Publication Date: 2022-02-15
SHENZHEN CORE MEDICAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Since blood needs to be passed into the fluid cavity, in order to avoid cross-infection, a blood pump is usually only used by one patient, especially for short-term treatment of extracorporeal circulation, which is not economical and consumes a lot of resources Waste, although the use of separate pump heads is currently proposed, the economy is still poor, and the resulting waste of resources is still relatively large

Method used

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Embodiment Construction

[0054] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many other different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0055] It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0056] It is to be understood that the terms "length", "width", "top", "bottom", "front",...

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Abstract

The invention belongs to the field of medical instruments, and particularly relates to a magnetic suspension pump, which comprises a pump shell, a fixed magnet, an impeller, a movable magnet, a rotor magnet, a driving part and a magnetic part, the impeller is arranged around the fixed magnet and can rotate around a central column, the movable magnet and the rotor magnet are both fixedly connected to the impeller, the movable magnet is arranged around the fixed magnet, a first magnetic force exists between the movable magnet and the fixed magnet, the rotor magnet is arranged around the central column, the stator of the driving part can generate a rotating magnetic field for driving the rotor magnet to rotate, attraction force exists between the stator and the rotor magnet, the magnetic part is arranged between the stator and the impeller, the magnetic part and the movable magnet are oppositely arranged, and a second magnetic action exists between the magnetic part and the movable magnet. The attractive force, the first magnetic action, and the second magnetic action can act together to suspend the impeller within a fluid chamber. The magnetic suspension pump is good in economical efficiency, and resource waste can be reduced.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a magnetic levitation pump. Background technique [0002] Artificial heart (or blood pump) is a medical device that uses biomechanical means to partially or completely replace the blood pumping function of the heart and maintain blood circulation throughout the body. Artificial hearts can be divided into extracorporeal and implantable according to the implantation position. Implantable artificial hearts are used in patients with end-stage chronic heart failure to replace their heart function for a long time. The extracorporeal artificial heart (short- and medium-term extracorporeal circulation auxiliary equipment) is used for the transitional treatment of patients with acute heart failure, and plays the role of replacing the heart function in the short and medium term, so that the patient can pass the dangerous period and help the patient recover. [0003] The blood ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M60/216A61M60/226A61M60/232A61M60/419A61M60/804A61M60/81
CPCA61M60/216A61M60/226A61M60/804A61M60/81A61M60/419A61M60/232
Inventor 娄厦周彦余顺周
Owner SHENZHEN CORE MEDICAL TECH CO LTD