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Device and method for detecting the falling off of excitation electrode sheet on body surface of three-dimensional mapping system

A technology of excitation electrodes and excitation current, applied in the field of three-dimensional mapping, can solve the problems of numerical delay and large error, the inability to apply three-dimensional mapping system body surface excitation electrodes, and the inability to obtain the accurate state of electrode sheets, etc., to achieve reliable real-time monitoring Effect

Active Publication Date: 2020-11-24
SICHUAN JINJIANG ELECTRONICS SCI & TECH CO LTD
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Problems solved by technology

However, the electrode shedding alarm and protection system of this scheme not only cannot be applied to the body surface excitation electrodes in the 3D mapping system, but also depends on the delay and error of the value obtained by the AD circuit, which cannot be accurately and timely obtained The exact state of the electrodes

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  • Device and method for detecting the falling off of excitation electrode sheet on body surface of three-dimensional mapping system
  • Device and method for detecting the falling off of excitation electrode sheet on body surface of three-dimensional mapping system
  • Device and method for detecting the falling off of excitation electrode sheet on body surface of three-dimensional mapping system

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Embodiment Construction

[0026] In the following, the present invention will be further described in detail in conjunction with the accompanying drawings and embodiments, so as to make the purpose, technical solutions and advantages of the present invention more clear. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0027] figure 1 Shown is a device for detecting detachment of body surface excitation electrodes in a three-dimensional mapping system according to an embodiment of the present invention, which includes: a detachment signal detection circuit, a detachment signal processing module, and a human-computer interaction interface. Among them, the shedding signal detection circuit is connected with the excitation source of the three-dimensional mapping system, and is used to collect the shedding signal from the excitation current; the shedding signal processing module is connected with the sh...

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Abstract

The invention discloses a device and method for detecting the falling off of the surface excitation electrode sheets of a three-dimensional mapping system. With the device and method adopted, the accurate monitoring of the surface excitation electrode sheets can be realized stably and accurately, and an alarm can be issued in time when the surface excitation electrode sheets fall off. The device comprises a falling-off signal detecting circuit, a falling-off signal processing module, and a human-computer interaction interface; the falling-off signal detecting circuit is connected with the excitation source of the three-dimensional navigation system and is used for collecting falling-off signals from excitation current; and the falling-off signal processing module is connected with the falling-off signal detecting circuit so as to receive the falling-off signals, is connected with the excitation switching controller of the three-dimensional navigation system so as to receive synchronization signals, and is used for generating a falling-off alarm according to the falling-off signals and the synchronization signals; and the human-machine interaction interface performs falling-off alarm prompting.

Description

technical field [0001] The invention relates to the technical field of three-dimensional mapping, in particular to a device and method for detecting the detachment of a body surface excitation electrode sheet in a three-dimensional mapping system. Background technique [0002] The three-dimensional cardiac mapping system belongs to the electrocardiographic medical equipment. The purpose is to establish a three-dimensional model of the heart during catheter-based cardiac surgery, and at the same time display the position of the catheter in real time, which is convenient for doctors to perform operations. The system includes a constant current excitation source, which generates three sinusoidal signals in time division, and outputs them to three pairs of body surface excitation electrodes, forming an orthogonal electric field in the human body. The three-dimensional positioning is to use the electrodes of the catheter to collect the excitation signal, and after the system proc...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V3/02A61B5/06
CPCA61B5/068A61B2560/0276G01V3/02
Inventor 朱力可朱显钊
Owner SICHUAN JINJIANG ELECTRONICS SCI & TECH CO LTD
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