Title:
PISTON PUMP FOR SINGLE-/DUAL-CHAMBER TYPE BLOOD PUMP
Document Type and Number:
Japanese Patent JPS6012070
Kind Code:
A
Abstract:
A redundant, pneumatic driver for a blood pump in which a pair of pistons are contained in a common cylinder and their stroke rates and lengths are selectively controlled by a controller which non-invasively senses the circulatory system requirements of the patient in which the blood pump is implanted. The controller varies the stroke rates and lengths to meet such requirements and further is able to selectively switch driving functions from one piston to the other to provide a redundant driving capability.
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Inventors:
HORUSUTOOPETERU HAIMUSU
Application Number:
JP9007484A
Publication Date:
January 22, 1985
Filing Date:
May 04, 1984
Export Citation:
Assignee:
FUORUSHIYUNGUSU G FUYUURU BAIO
International Classes:
A61M60/122; A61M60/258; A61M60/427; F04B9/12; A61M60/531; A61M60/89; F04B43/067; (IPC1-7): A61M1/10; F04B9/12; F04B43/06
Domestic Patent References:
| JPS52103897A | 1977-08-31 |
Attorney, Agent or Firm:
Yuzo Yamazaki