A blood collection tube inversion and mixing method and a mixing control system

By using a blood collection tube inversion mixing method and a repeated cycle with specific rotation speeds and pause times, the problem of incomplete mixing of whole blood samples left to stand for a long time was solved, achieving a highly efficient fully automated mixing effect and improving the accuracy of test results and equipment efficiency.

CN122399631APending Publication Date: 2026-07-17SHENZHEN WEIGONG BIOTECHNOLOGY CO LTD
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Patent Information

Application Number
CN202610843651.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-06-11
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing technologies cannot effectively solve the problem of blood cells settling tightly due to prolonged standing, resulting in poor mixing of whole blood samples, which affects the accuracy of test results and the efficiency of automated equipment.

Method used

The method of inverting and mixing blood collection tubes is adopted. By limiting specific rotation speed, flipping angle and rest time, a step-by-step automated mixing process of low-speed progressive flipping and high-speed reverse fragmentation is combined. This includes a repetitive cycle of motion rotation-pause-return to achieve low-speed progressive flipping and high-speed reverse fragmentation of blood collection tubes.

Benefits of technology

It significantly improves the homogenization and stability of whole blood samples, completely solving the problem of incomplete cell aggregation in traditional methods, ensuring the accuracy of test results and the efficient operation of automated equipment.

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Abstract

本申请涉及临床检验技术领域,具体公开了一种采血管颠倒混匀方法及混匀控制系统。本申请提供的采血管颠倒混匀方法,包括以下步骤:将载有样本的采血管以10‑90° / s的速度从直立初始位置朝倒立方向运动旋转;当运动旋转至90°‑180°停止,并在该状态下停顿0.5‑10s;停顿结束后,采血管以180°‑270° / s的速度反向回转至直立初始位置;重复循环上述“运动旋转‑停顿‑回转”动作5‑15次,完成混匀。本申请提供的采血管颠倒混匀方法能够实现对长时间静置或高粘稠度全血样本的高效混匀,进而能保障全血样本检测的全自动化及检测结果的准确性。
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