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Rotary blood pump

A blood pump, centrifugal technology, applied in the field of rotary blood pump, can solve problems such as blood coagulation

Active Publication Date: 2020-03-31
卡迪亚卡西斯特股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of mechanical bearings is that they may transfer heat to the blood and possibly cause blood to coagulate

Method used

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  • Rotary blood pump
  • Rotary blood pump
  • Rotary blood pump

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Embodiment Construction

[0101] The accompanying drawings generally illustrate preferred and non-limiting examples of the apparatus and methods of the present disclosure. While this description presents various aspects of the device, it should not be construed in any way as limiting the present disclosure. In addition, those skilled in the art will interpret modifications, concepts and applications of the present disclosure including but not limited to the drawings and descriptions herein.

[0102] The following description is provided to enable those skilled in the art to make and use the described examples contemplated for practicing the disclosure. However, various modifications, equivalents, changes and substitutions are still apparent to those skilled in the art. Any and all such modifications, changes, equivalents and substitutions are intended to fall within the spirit and scope of the present disclosure.

[0103] For the purposes of the following description, the terms "upper", "lower", "rig...

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PUM

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Abstract

A centrifugal blood pump includes a housing having a pumping chamber, an inlet having an inlet axis, and an outlet having an outlet axis. The inlet and the outlet are in fluid communication with the pumping chamber. The pump further includes an impeller rotatably disposed within the pumping chamber, and a strut connected to the housing at the inlet. The strut is connected to the housing at a circumferential position about the inlet axis such that a major axis of the strut and the outlet axis define a predetermined angle in a cross-sectional plane perpendicular to the inlet axis. The circumferential position of the strut relative the outlet axis reduces or eliminates damage to blood flowing around the strut.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to U.S. Provisional Application No. 62 / 702,562, filed July 24, 2018, the disclosure of which is incorporated herein by reference. technical field [0003] The present disclosure relates generally to a rotary blood pump, and in particular, to a rotary blood pump having a support mechanism for supporting an impeller located within a pumping chamber and for rotatably driving an impeller located within a pumping chamber. The drive mechanism for the impeller in the pumping chamber. Background technique [0004] Rotary blood pumps have long been used to assist or supplement the function of the human heart. For example, rotary blood pumps assist heart function due to damage to the left ventricle, or are used for temporary heart bypass during heart surgery. Typically, rotary blood pumps have an impeller arranged in a pumping chamber of the pump housing. Blood is conveyed through the axial in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M1/10F04D13/02F04D29/048F04D29/22A61M60/113A61M60/232A61M60/422A61M60/814A61M60/825
CPCF04D29/046F04D29/4273A61M60/422A61M60/113A61M60/232A61M60/814A61M60/825A61M60/221F04D7/04F04D25/06F04D29/426
Inventor D·布施J·C·玛鲁斯三世A·S·麦科平R·G·斯维泰克
Owner 卡迪亚卡西斯特股份有限公司