Blood purification device

Details Blood purification device Blood purification device

2005-09-26

2009-08-18

Deak, Leslie R (Department: 3761)

Surgery

Blood drawn and replaced or treated and returned to body

C604S005010, C422S044000

Reexamination Certificate

active

07575562

ABSTRACT:
A blood purification device allows controlling a false alarm and allows detecting accurately an abnormality in a patient who is undergoing a blood purification treatment or in the device which is running. The hemodialysis equipment includes blood circuit made of an arterial blood circuit having an arterial needle at its end and a venous blood circuit having a venous needle at its end; a blood pump; a dialyzer purifying the blood flowing in blood circuit; a venous blood pressure sensor which can detect pressure of a patient's blood flowing in the venous blood circuit; a venous blood pressure monitoring means for comparing a base value of the pressure measured by the venous blood pressure sensor or pressure predicted to be measured with a predetermined alarm-threshold. The device also has a venous blood pressure monitoring means allows updating the predetermined alarm threshold at a predetermined period of time.

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patent: 2001/0012917 (2001-08-01), Inukai
patent: 2002/0193691 (2002-12-01), Sato

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