Title:
BLOOD PURIFICATION DEVICE
Document Type and Number:
Japanese Patent JP2023114026
Kind Code:
A
Abstract:
To confirm that air is not entering a measuring bag during priming while suppressing an increase in the number of components by not installing a pressure sensor in the measuring bag.SOLUTION: A control unit executes a first step S1 for closing a vein side on-off valve while operating a replacement fluid pump during priming in which priming fluid is supplied to an artery side blood circuit, a blood purifier, and a vein side blood circuit from a priming fluid pipeline, executes a second step S2 for determining whether or not an amount of increase in an artery side measurement value or a vein side measurement value after the vein side on-off valve is closed in the first step S1 exceeds a threshold within a fixed time, executes the first step S1 again after executing a fourth step S4 for temporarily opening the vein side on-off valve when the amount of increase in the artery side measurement value or the vein side measurement value exceeds the threshold in the second step S2, and executes a third step S3 for stopping the replacement fluid pump when the amount of increase in the artery side measurement value or the vein side measurement value is the threshold or less in the second step S2.SELECTED DRAWING: Figure 3
Inventors:
ISHII HIROSHI
SHINOKAWA MITSUMASA
NAKAMURA SHOTA
MURAKAMI MASAKI
KANEKAWA TAKAO
SHINOKAWA MITSUMASA
NAKAMURA SHOTA
MURAKAMI MASAKI
KANEKAWA TAKAO
Application Number:
JP2022016084A
Publication Date:
August 17, 2023
Filing Date:
February 04, 2022
Export Citation:
Assignee:
NIPRO CORP
International Classes:
A61M1/16; A61M60/113; A61M60/37
Attorney, Agent or Firm:
Patent Attorney Fukami Patent Office