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Single-supporting-point magnetic power driven type centrifugal pump

A centrifugal pump and magnetic power technology, which is applied in the field of single fulcrum magnetic power driven centrifugal pump and its driving components, can solve problems such as low reliability and unstable rotation

Pending Publication Date: 2018-02-23
SHANGHAI CHILDRENS MEDICAL CENT AFFILIATED TO SHANGHAI JIAOTONG UNIV SCHOOL OF MEDICINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The combination of the single fulcrum support and the axial support force provided by the first magnetic component can overcome the defects of rotation instability and low reliability caused by the conventional single fulcrum support

Method used

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  • Single-supporting-point magnetic power driven type centrifugal pump
  • Single-supporting-point magnetic power driven type centrifugal pump

Examples

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Embodiment Construction

[0023] figure 1 Shown is a single pivot magnetodynamically driven centrifugal pump including a pump assembly and a drive assembly. The pump assembly may include components such as an impeller assembly 1 and a housing assembly. The drive assembly may include a power unit 2 and a transmission unit, etc. Wherein, the power unit 2 is preferably a motor.

[0024] figure 2 An embodiment of the impeller assembly 1 is shown. The impeller assembly 1 includes a first support assembly 11, a third magnetic assembly 12, blades, etc., wherein the blade is arranged between the first support assembly 11 and the third magnetic assembly 12 for driving fluid. The first support assembly 11 includes a first fulcrum 111 located on the central axis of the impeller assembly 1 , and the first fulcrum 111 is connected to the blade through a connecting piece. Preferably, the first fulcrum 111 is disposed in the central through hole of the first supporting component 11, wherein the fluid can flow i...

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PUM

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Abstract

In order to improve shortcomings of existing centrifugal pumps, the invention provides a single-supporting-point magnetic power driven type centrifugal pump. A driving component of the centrifugal pump comprises a transmission unit which is connected to a power unit, wherein the transmission unit comprises a rotary transmission head; the transmission head is at least provided with a first magneticcomponent and a second magnetic component; the transmission unit can be connected to a pump component; the first magnetic component is in charge of offering axial supporting force to an impeller component of the centrifugal pump; and the second magnetic component is used for providing radial driving force to the impeller component. The centrifugal pump has the characteristics of being good in warming-up performance, simple in structure and high in reliability.

Description

technical field [0001] The invention relates to a single fulcrum magnetic power driven centrifugal pump and its drive assembly, in particular to a single fulcrum magnetic power driven centrifugal pump and its drive assembly for ventricular assist devices. Background technique [0002] Ventricular assist devices have successively experienced different development stages of the first-generation volumetric blood pump, the second-generation continuous-flow impeller blood pump, and the third-generation suspension blood pump. The first-generation blood pump is a volumetric blood pump that simulates the function of the heart. It squeezes the pump chamber pneumatically or electrically, and pumps out blood through the change of the volume of the pump chamber. Although the first-generation blood pump is closer to the natural heart, it generally has the defects of complex structure, large size, easy formation of thrombus, and difficult implantation in the body. Moreover, the blood sto...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M1/12
CPCA61M2210/122A61M2205/04A61M60/82A61M60/205A61M60/40A61M60/148A61M2210/005
Inventor 韩露王伟张前庆朱剑铭俞晓青
Owner SHANGHAI CHILDRENS MEDICAL CENT AFFILIATED TO SHANGHAI JIAOTONG UNIV SCHOOL OF MEDICINE
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