Title:
心室補助血流ポンプ
Document Type and Number:
Japanese Patent JP7004653
Kind Code:
B2
Abstract:
A pump for immersion in a fluid includes—an inductor having guide vanes to induce linear fluid flow; —a rotor with a central, flared body, this rotor being downstream of the inductor relative to the direction of fluid circulation; —a helical blade provided around the central body; this helical blade having a flared external profile and having turns with an increasing winding pitch, and the internal casing volume being complementary to the flared helical blade, —a casing around the rotor; —a diffuser having blades making the flow of fluid linear and disposed downstream of the rotor to evacuate the fluid from the rotor; and—a diffuser insert having blades and an outlet orifice with a diameter less than the inlet diameter of the diffuser insert, the blades directing the fluid from the diffuser towards the orifice to increase the orifice outlet pressure.
Inventors:
Huhdaddi, Muhammad
Application Number:
JP2018529717A
Publication Date:
January 21, 2022
Filing Date:
July 19, 2016
Export Citation:
Assignee:
FINEHEART
International Classes:
F04D3/02; A61M60/165; A61M60/221; A61M60/232; A61M60/237; A61M60/242; A61M60/416; A61M60/515; A61M60/523; A61M60/806; A61M60/812; F04D7/00; F04D29/18
Domestic Patent References:
| JP2012523875A | ||||
| JP2003515392A | ||||
| JP2010528797A | ||||
| JP5031423B2 |
Foreign References:
| US20140341726 | ||||
| US5851174 |
Attorney, Agent or Firm:
Kenjiro Yamaguchi
Hironori Nagayama
Kenichi Morita
Hironori Nagayama
Kenichi Morita