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Method and system for rapidly constructing human body organ inner bore three-dimensional geometric model

A technology of three-dimensional geometry and human organs, which is applied in the field of rapidly constructing three-dimensional geometric models and systems of the inner cavity of human organs, can solve problems such as insufficient overall construction functions, and achieve the effect of diagnosis and operation assistance.

Active Publication Date: 2008-08-20
SHANGHAI MICROPORT EP MEDTECH CO LTD
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Problems solved by technology

This method is suitable for the construction of a lumen similar to a sphere, but for the lumen with pulmonary vein branches in the left atrium, its overall construction function is insufficient, and the left atrium and pulmonary vein need to be constructed separately

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  • Method and system for rapidly constructing human body organ inner bore three-dimensional geometric model
  • Method and system for rapidly constructing human body organ inner bore three-dimensional geometric model

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Embodiment Construction

[0055] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0056] figure 1 The flow chart of a preferred embodiment of the method for rapidly constructing a three-dimensional geometric model of a human organ lumen according to the present invention is shown. See figure 1 , the following is a detailed description of each step in the method.

[0057] Step S10: Insert the catheter with the three-dimensional positioning sensor installed on the head into the inner cavity of the human body organ.

[0058] There may be one or more three-dimensional positioning sensors installed on the catheter head, and the positioning methods include electromagnetic induction positioning or electric field positioning.

[0059] The spatial position information collected by the three-dimensional positioning sensor installed on the catheter head is the three-dimensional position information relative to a certain reference point in sp...

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Abstract

The invention discloses a rapid construction method and system for human organ-intracavity three-dimensional geometry model, which is suitable for the rapid construction of complex cavities. The technical proposal is that: (1) one or more sensing elements are introduced into the intracavity; (2) in the intracavity the sensing elements are moved to collect the spatial location information of the intracavity to know the position or range of the intracavity; (3) according to the position or range of the intracavity, the intracavity surface three-dimensional geometry model is constructed. The rapid construction method and system for human organ-intracavity three-dimensional geometry model are applied in the field of organ model construction.

Description

technical field [0001] The present invention relates to a method and a system for rapidly constructing a three-dimensional geometric model of a human organ lumen, and in particular to a method and a system for rapidly constructing a three-dimensional geometric model of a human organ lumen by using a three-dimensional positioning sensor installed on a catheter head. Background technique [0002] Atrial fibrillation is an irregular heartbeat that originates in the atria, usually causing the heart to beat faster than 300 beats per minute. There are approximately 2.2 million patients with atrial fibrillation in the United States, and the number of new cases of atrial fibrillation reached 200,000 in 2006, while the number of patients with atrial fibrillation in China is more than 10 million. According to relevant data in China, the risk of stroke in patients with atrial fibrillation is 6 times that of normal people, and patients with atrial fibrillation often feel palpitations, c...

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Application Information

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IPC IPC(8): A61B5/05G06T17/00
CPCA61B5/103G06T7/60G06T17/10
Inventor 孙毅勇刘道志
Owner SHANGHAI MICROPORT EP MEDTECH CO LTD
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