Title:
BLOOD PUMP AND AUXILIARY ARTIFICIAL HEART SYSTEM
Document Type and Number:
Japanese Patent JP2023110176
Kind Code:
A
Abstract:
To provide a blood pump that can be downsized while maintaining a stable operation of a motor, and to provide an auxiliary artificial heart system capable of reducing a load on a user.SOLUTION: A motor 14 of a blood pump 10 includes a shaft 32 that penetrates a pedestal part 17 and reaches a pump chamber R, a stator 30 wound with a coil 34, a permanent magnet 40 into which the stator 30 can be inserted, and a rotor 31 composed of a rotor frame 42 in which the permanent magnet 40 is fastened to the inner peripheral surface. The rotor 31 includes a lower fixed bearing 43 for pivoting a rear lid 21 side of the shaft 32 and an upper fixed bearing 44 for pivoting a pump chamber R side with the stator 30 in between with respect to the lower fixed bearing 43.SELECTED DRAWING: Figure 2
Inventors:
YAMATO ATSUSHI
Application Number:
JP2022011448A
Publication Date:
August 09, 2023
Filing Date:
January 28, 2022
Export Citation:
Assignee:
SAN MEDICAL GIJUTSU KENKYUSHO KK
International Classes:
A61M60/178; A61M60/232; A61M60/416; A61M60/824; A61M60/829
Attorney, Agent or Firm:
Mebuki Patent Attorneys Corporation
Seigo Matsuo
Seigo Matsuo
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