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Automatic blood dialyzer and dialyzing method

A hemodialysis and dialysis device technology, applied in the field of hemodialysis devices, can solve the undisclosed secondary pollution and other problems

Inactive Publication Date: 2003-08-13
JMS CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this system can reverse-filter the purified dialysate and replace normal saline as washing liquid and even rehydration fluid, but it has not been disclosed so far that it will not cause secondary pollution due to the retention of dialysate, and it can be supplied simply during start-up and treatment. Rehydration loop system for reverse filtration of dialysate for rehydration

Method used

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  • Automatic blood dialyzer and dialyzing method
  • Automatic blood dialyzer and dialyzing method
  • Automatic blood dialyzer and dialyzing method

Examples

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Embodiment Construction

[0043] The console (M) for hemodialysis is a dialysate flow regulating device and also a blood flow regulating device. This console (M) for hemodialysis is equipped with a general performance with a closed system as a dialysate infusion mechanism.

[0044] The console (M) is equipped with a third infusion means (hereinafter also referred to as water removal / replenishment pump (P4)) in the dialysate drainage line, which can remove water from the blood circulation system that is reversely filtered by the hemodialyzer. Function of water / rehydration.

[0045] Regarding the water removal / replenishment pump (P4), as shown in Figure 1, the water removal / replenishment pump can be set on the second bypass line L6 on the dialysate drainage line L5 side, or it can be placed on the dialysate The liquid supply pipeline L4 side is connected between the upstream side and the downstream side of the dialysate drainage pump (P2) to form a bypass pipeline, and a water removal / replenishment pump...

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Abstract

An automatic dialyzer for purifying blood brought into contact with a dialysate via a semi-impermeable membrane, comprising at least a blood circulating system and a dialysate supply / discharge system, characterized in that the blood line of the blood circulating system is connected to an overflow line having a reversibly-rotatable blood pump and also having a blood chamber and an open / close means for overflowing of liquid from the blood chamber to the outside of the blood line, and liquid supply means, for supplying liquid in both forward and reverse directions and being able to regulate the supply amount of the dialysate for water removing / liquid replenishing, are provided to a first bypass line and / or a second bypass line, the supply speed of the liquid supply means and the supply speed of the blood pump being regulatable in conjunction with each other; and a dialyzing method using the automatic dialyzer.

Description

technical field [0001] The present invention relates to a hemodialysis apparatus and a hemodialysis method which can automate a series of operations such as hemodialysis which has been performed manually up to now and its preparation and recovery, and save labor as much as possible. Background technique [0002] The hemodialysis device is a medical device for blood purification of patients with renal insufficiency and drug poisoning. The mechanism of hemodialysis therapy usually consists of three parts: a hemodialyzer (Dialyzer), a blood circulation circuit that circulates blood, and a dialysate supply system. The blood circuit directly connected to the two places in the blood vessel maintains the extracorporeal circulation, and at the same time, the blood flows into the metabolic area on the side of the hollow fiber lumen of the hemodialyzer connected in the middle of the blood circuit. [0003] On the other hand, in the metabolic region outside the hollow fiber of the hem...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M1/14A61M1/16A61M1/34A61M1/36
CPCA61M2001/1645A61M2001/3649A61M2001/3465A61M2001/3646A61M2001/3427Y10S128/03A61M1/16A61M1/3643A61M1/1645A61M1/3427A61M1/3465A61M1/3646A61M1/3649A61M1/3644
Inventor 金成泰田冈正宏山本千惠子山中邦彦正冈胜则
Owner JMS CO LTD
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