Purge-free miniature rotary pump

A - Human Necessities – 61 – M

Patent

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Details

A61M 1/10 (2006.01) A61M 1/12 (2006.01)

Patent

CA 2704196

Methods and systems are provided for the circulation of blood using a purge- free miniature pump. In one embod-iment, a pump (100) is provided that may comprise a housing (200) including a rotor (400) and a stator (300) within a drive unit (210). In this embodiment, the pump (100) may establish a primary blood flow (240) through the space between the drive unit (210) and the housing (200) and a secondary blood flow (255) between the rotor (400) and stator (300). In another embodiment, a method is provided for introducing the pump (100) into the body and circulating blood using the pump (100).

Des procédés et des systèmes permettent de faire circuler du sang au moyen d'une pompe miniature sans purge. Dans un mode de réalisation, une pompe est apportée qui peut comprendre un corps comprenant un rotor et un stator à l'intérieur d'une unité d'entraînement. Dans ledit mode de réalisation, la pompe peut établir un flux sanguin principal à travers l'espace situé entre l'unité d'entraînement et le corps, et un flux sanguin secondaire entre le rotor et le stator. Dans un autre mode de réalisation, il est apporté un procédé d'introduction de la pompe dans le corps et de circulation du sang au moyen de la pompe de l'invention.

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