Dialysate temperature measuring system and method, temperature control system and hemodialysis machine

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By using a dual-temperature sensor system and computing equipment in the hemodialysis machine to compensate for heat loss in the dialysate tubing, the problem of inaccurate dialysate temperature measurement was solved, and precise control of dialysate temperature was achieved.

CN122440918APending Publication Date: 2026-07-24ANHUI WAYEE SCI & TECH CO LTD

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Patent Information

Application Number: CN202610914335.7
Authority / Receiving Office: CN · China
Patent Type: Applications(China)
Current Assignee / Owner
Filing Date: 2026-06-24
Publication Date: 2026-07-24

Application Information

Patent Timeline

24 Jun 2026

Application

CN202610914335.7

24 Jul 2026

Publication

CN122440918A

IPC: A61M1/16; G05D23/20

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Application Domain

Temperatue control Dialysis systems

Technology Topics

Temperature control Kidney machines

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AI Technical Summary

Technical Problem

Existing hemodialysis machines suffer from inaccurate measurements due to heat loss in dialysate temperature control, which affects the accuracy of dialysate temperature control.

Method used

A dual-temperature sensor system is used to measure the temperature of the dialysate line and the dialysate waste line respectively. The calculation device compensates for the heat loss of the dialysate line temperature sensor based on the temperature of the dialysate waste line to obtain the accurate dialysate temperature at the dialyzer.

Benefits of technology

It enables accurate measurement and control of dialysate temperature, improving the precision of dialysate temperature control.

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Abstract

The invention discloses a dialysate temperature measuring system and method, a temperature control system and a hemodialysis machine, and relates to the technical field of dialysis. The system comprises a first temperature sensor which is configured to detect the temperature of first dialysate in a dialysate pipeline of the hemodialysis machine when the hemodialysis machine works; the second temperature sensor is configured to detect the temperature of dialysis waste liquid in a dialysis waste liquid pipeline of the hemodialysis machine synchronously with the first temperature sensor when the hemodialysis machine works; the computing device is connected with the first temperature sensor and the second temperature sensor, and the computing device is used for obtaining the second dialysate temperature in the dialyzer according to the first dialysate temperature and the dialysis waste liquid temperature. Therefore, the undistorted dialysate temperature in the dialyzer can be obtained, and accurate dialysate temperature control is realized.

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