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blood purification device

A technology for blood purification and blood pump, which is applied in the direction of control device, circulation auxiliary device, blood circulation treatment, etc., can solve the problem of lack of existing technical literature information, etc., and achieve the effect of suppressing the error of the discharge volume and suppressing the error.

Active Publication Date: 2020-07-28
NIKKISO COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, since the prior art does not involve the technology of the invention known in the literature, there is no prior art literature information that should be recorded

Method used

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Embodiment Construction

[0045] Embodiments of the present invention will be specifically described below with reference to the drawings.

[0046] The blood purification device of the first embodiment is used to perform extracorporeal circulation of the patient's blood for blood purification treatment (for example, hemodialysis treatment), such as figure 1 As shown, it includes: a blood circuit 1, which has an arterial side blood circuit 1a and a venous side blood circuit 1b, and an arterial side puncture needle (not shown in the figure) can be connected to the front end 1aa of the arterial side blood circuit 1a. Shown), at the front end 1ba of this venous side blood circuit 1b, can connect venous side puncture needle (not shown in the figure), this blood circuit 1 can make patient's blood carry out extracorporeal circulation; Dialyzer 2 (blood purification mechanism ), the dialyzer 2 is respectively connected to the base ends of the arterial side blood circuit 1a and the venous side blood circuit 1b,...

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PUM

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Abstract

SUMMARY OF THE INVENTION An object of the present invention is to provide a blood purification device capable of suppressing variations in discharge volume due to fluctuations in suction pressure of a blood pump. A blood purification device, the blood purification device comprising: a blood circuit (1), the blood circuit (1) can make the patient's blood extracorporeal circulation; a dialyzer (2), the dialyzer (2) and the arterial blood circuit respectively (1a) is connected to the base end of the blood circuit (1b) on the venous side, and the blood in the extracorporeal circulation is purified through the blood circuit (1); the extruded tube (C) is connected to the arterial side The blood circuit (1a) is connected; the blood pump (3), which compresses the extruded tube (C) in the radial direction and squeezes it in the longitudinal direction, can make the extruded tube (C) internal liquid flow; pressure detection mechanism (10), the pressure detection mechanism (10) is installed in the front end side (1aa) of the installation position of the blood pump (3) in the arterial side blood circuit (1a) position, can detect the suction pressure of the blood pump (3), the blood purification device includes a control mechanism (12), the control mechanism (12) corresponds to the suction pressure of the blood pump (3) detected by the pressure detection mechanism (10) , to control the driving speed of the blood pump (3).

Description

technical field [0001] The present invention relates to a blood purification device, which comprises: a blood circuit, the blood circuit includes an arterial side blood circuit and a venous side blood circuit to which a puncture needle can be connected at the front end, and the blood circuit can circulate blood of a patient extracorporeally; Blood purification mechanism, the blood purification mechanism is respectively connected with the base ends of the arterial side blood circuit and the venous side blood circuit, through the blood circuit, the blood undergoing extracorporeal circulation is purified; the blood pump, the blood pump compresses the blood in the radial direction through one side The extruded tube connected to the arterial side blood circuit, while squeezing it in the longitudinal direction, can make the liquid inside the extruded tube flow; the pressure detection mechanism, the pressure detection mechanism is installed in the arterial side blood circuit The suct...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M1/36A61M1/10
CPCA61M2205/3334A61M1/3639A61M60/113A61M60/279A61M60/892A61M60/894A61M60/546A61M60/37A61M60/853A61M60/43A61M60/531A61M1/1603A61M1/267A61M1/3638A61M1/3626A61M2205/3317A61M2205/3331A61M2205/3337A61M2205/3365A61M2205/3375
Inventor 德永诚秋田邦彦
Owner NIKKISO COMPANY
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