RFID passive sensing-based infusion liquid level monitoring system and working method thereof

A technology of liquid level monitoring and RFID tags, which is applied in the field of RFID passive sensing, can solve problems such as troublesome maintenance, inability to provide early warning, and inability to detect accidents of venous swelling, so as to facilitate preparation and reduce maintenance costs

Pending Publication Date: 2018-08-07
苏州森石智能科技有限公司
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  • Abstract
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Problems solved by technology

This method cannot provide early warning, cannot detect unexpected events such as venous swelling...

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  • RFID passive sensing-based infusion liquid level monitoring system and working method thereof
  • RFID passive sensing-based infusion liquid level monitoring system and working method thereof
  • RFID passive sensing-based infusion liquid level monitoring system and working method thereof

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Embodiment Construction

[0035] figure 1 It is an architecture diagram of an infusion liquid level monitoring system based on RFID passive sensing, which is mainly composed of a liquid level sensing all-in-one machine, a liquid level sensing label, a server platform, and a client. Among them, the liquid level sensing label is a passive sensor based on RFID, which consists of at least two passive RFID tags to form a label array. The RFID tags can be composed of multiple side by side, and the liquid level detection system of the present invention can also be applied to various In the liquid level measurement scene; in order to facilitate the explanation of its principle, this embodiment uses two RFID tags to detect the liquid level in the infusion tank, and the RFID tags are pasted on the outer wall of the infusion container; the liquid level sensing all-in-one machine is the liquid level sensing The receiver of label feedback signal, built-in RFID reader and antenna, as well as embedded processor and n...

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Abstract

The invention discloses an RFID passive sensing-based infusion liquid level monitoring system and a working method thereof. The system comprises liquid level sensing labels attached with RFID tags, aliquid level sensing integrated machine, a server platform, and a liquid level sensing client; each liquid level sensing label is a tag array composed of a plurality of passive RFID tags arranged on the outer wall of an infusion container; the liquid level sensing integrated machine transmits continuous wave signals through a reader antenna so as to continuously communicate with the liquid level sensing labels through the continuous wave signals to obtain label ID information and signal characteristics returned by the liquid level sensing labels, identifies a corresponding infusion container through an embedded processor, adjusts the power of the reader through adopting a two-stage power stepping algorithm, judges whether a highest liquid level position reaches a designated position on thebasis of the acquired label signal characteristics and continuously uploads monitored liquid level statuses to the server platform; and the liquid level sensing client continuously obtains the liquidlevel statuses of the plurality of infusion containers by accessing the server, and performs early warning once the liquid level of a certain infusion container reaches the designated position.

Description

technical field [0001] The invention relates to RFID passive sensing technology, in particular to an RFID passive sensing-based infusion liquid level monitoring system and a working method thereof. Background technique [0002] Intravenous infusion is currently a main clinical treatment method. During the infusion process, it is necessary to monitor the infusion status (such as water level, flow rate, etc.) in time to prevent accidents such as blood backflow and venous swelling caused by changes in water level and flow rate. ACCIDENT. However, at present, the monitoring of infusion is mainly realized through regular inspections by medical staff or active feedback from patients, and there are few intelligent and automated technical means to achieve accurate and real-time infusion perception. The current intravenous infusion solutions mainly include the following types: 1) Weight-based measurement monitoring: monitor the water level of infusion bottles and infusion bags based...

Claims

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Application Information

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IPC IPC(8): G16H20/17G16H40/20G06K17/00
CPCG16H20/17G06K17/0029G16H40/20
Inventor 谢磊
Owner 苏州森石智能科技有限公司
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