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Dialysis system and its operation method

A dialyzer and dialysate technology, applied in the field of dialysis system, can solve problems such as troublesome operation of dialysis system, achieve the safety of extracorporeal circulation and blood purification, and realize the effect of saving operation, time and labor

Inactive Publication Date: 2002-10-09
NIPRO CORP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As soon as any contamination is found in these parts, adequate disinfection must be performed immediately, but this treatment makes the operation of the dialysis system cumbersome

Method used

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  • Dialysis system and its operation method
  • Dialysis system and its operation method

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Embodiment Construction

[0029] refer to figure 1 , which shows a schematic diagram illustrating one embodiment of the dialysis system of the present invention. exist figure 1 In , reference numeral 10 denotes a dialyzer or purifier for blood purification of a known structure, which includes, for example, a cylindrical housing and a semi-permeable hollow filter membrane located in the housing.

[0030] One end of the dialyzer 10 is connected to a blood inflow tube 12 for drawing blood from a patient, and the other end is connected to a blood outflow tube 14 for returning purified blood to the patient. In other words, the blood flow tube includes a blood inflow tube 12 for drawing blood from a patient, a blood flow portion in the dialyzer 10, and a blood outflow tube 14 for returning purified blood to the patient. The blood inflow line 12 has a blood pump 16 for flowing blood through the blood inflow line 12 , the dialyzer 10 and the blood outflow line 14 . On the other hand, the blood outflow tube ...

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Abstract

A dialysis system includes a dialyzer 10 and an ultrafiltration regulating unit 24 for regulating dialysate flow into or out of the dialyzer 10 to regulate ultrafiltration. The dialysis system is used to determine the dialysate pressure detected by the pressure sensor 28 without using a special tube for pressure measurement of the blood flow tube and avoiding the blood leakage of the blood flow tube when the ultrafiltration is temporarily stopped. blood pressure.

Description

technical field [0001] The present invention relates to a dialysis system and a method of operating the system. In particular, the present invention relates to an improved dialysis system that removes waste products from the blood by contacting the blood through a semipermeable membrane with dialysate and ultrafiltration, and to a system for operating the dialysis system. method. Background technique [0002] In recent years, many kinds of blood purification have been developed and used in practical applications. They purify the blood drawn from the patient's body and return the purified blood to the patient. for treatment. For this purpose, a dialysis system is widely used, which generally includes a dialyzer for passing blood and dialysate flowing into and out of the dialyzer through a blood flow line and a dialysate flow line, respectively, through a semipermeable membrane (i.e. Dialysis membranes), such as hollow fiber membranes of fiber, cuprammonium rayon, polysulfo...

Claims

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Application Information

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IPC IPC(8): A61M1/16A61M1/36
CPCA61M1/16A61M1/3639A61M2230/30A61M1/1605A61M2205/3331A61M1/3403A61M2205/3334
Inventor 高井一郎
Owner NIPRO CORP
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