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Method and system for measuring mechanical parameters of heart tissue

A technology of mechanical parameters and heart tissue, applied in the field of medical imaging, can solve problems such as low accuracy, difficulty in making a correct and comprehensive diagnosis of mechanical properties, missing information, etc., and achieve the effect of facilitating diagnosis and benefiting clinical diagnosis

Pending Publication Date: 2022-07-08
SHENZHEN INSIGHTSONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, it is difficult to make a correct and comprehensive diagnosis by only measuring the mechanical properties at a certain moment in the heartbeat cycle, and may even miss information
Not very accurate

Method used

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  • Method and system for measuring mechanical parameters of heart tissue
  • Method and system for measuring mechanical parameters of heart tissue
  • Method and system for measuring mechanical parameters of heart tissue

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] This embodiment proposes a method for measuring mechanical parameters of cardiac tissue, which can accurately and rapidly measure the mechanical parameters of cardiac tissue. The flow chart of the mechanical parameter measurement method is attached to the manual figure 1 As shown, the specific scheme is as follows:

[0051] A method for measuring mechanical parameters of cardiac tissue, comprising the following steps:

[0052] 101. Insert the ultrasound imaging catheter connected with the probe into the heart along the blood vessel, and perform real-time B-mode imaging inside the heart;

[0053] 102. Adjust the position of the probe to obtain the area to be imaged inside the heart;

[0054] 103. Set the acquisition period and imaging parameters of the preset multimodal imaging acquisition based on the heartbeat period, perform multimodal imaging acquisition in the area to be imaged, and obtain the ultrasound signal acquired by the probe;

[0055] 104. Combine the tim...

Embodiment 2

[0093] This embodiment provides a system for measuring mechanical parameters of cardiac tissue, which systematizes the method for measuring mechanical parameters of cardiac tissue in Embodiment 1 to make it more practical. The structural block diagram of the system is attached to the manual. Image 6 As shown, the specific scheme is as follows:

[0094] A mechanical parameter measurement system of cardiac tissue, the system includes the following:

[0095] The detection unit A1 is used for inserting the ultrasound imaging catheter connected with the probe into the heart along the blood vessel, and performing real-time B-mode imaging on the inside of the heart;

[0096] The area acquisition unit A2 is used to adjust the position of the probe to acquire the area to be imaged inside the heart;

[0097] The multimodal imaging unit A3 is configured to set the acquisition period and imaging parameters of the preset multimodal imaging acquisition based on the heartbeat cycle, perfo...

Embodiment 3

[0102] This embodiment provides a device for measuring mechanical parameters of cardiac tissue, which can measure the mechanical parameters of the first embodiment. The schematic diagram of the structure of the device is shown in the appendix of the description. figure 2 As shown, the specific scheme is as follows:

[0103] A device for measuring mechanical parameters of cardiac tissue, comprising the following:

[0104]The ultrasonic imaging catheter system 1 includes a probe 11 and an ultrasonic imaging catheter 12 connected to each other, an ultrasonic transducer 111 is arranged on the probe 11; the ultrasonic imaging catheter 12 and the probe 11 are inserted into the heart along the blood vessel, and the ultrasonic transducer 111 emits and The received signal performs real-time B-mode imaging on the inside of the heart; the ultrasound imaging catheter 12 is connected to the steering control mechanism 13 , and the steering control mechanism 13 is connected to the connectio...

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Abstract

The invention provides a heart tissue mechanical parameter measuring method and system, and the method comprises the steps: inserting an ultrasonic imaging catheter connected with a probe into a heart along a blood vessel, and carrying out the real-time B-mode imaging; the position of the probe is adjusted, and a to-be-imaged area in the heart is obtained; setting an acquisition period and imaging parameters of preset multi-modal imaging acquisition based on the heartbeat period, and performing multi-modal imaging acquisition on the to-be-imaged area; the collected ultrasonic signals are processed, and two-dimensional mechanical parameters related to the heart tissue are obtained; and calculating the mechanical parameters of the heart tissue of the to-be-imaged area in combination with a time sequence acquired by multi-modal imaging. According to the scheme, on the basis of a special ultrasonic imaging sequence, ultrasonic strain imaging and shear wave elasticity imaging can be conducted on the heart tissue, and the mechanical parameters of the heart tissue are obtained according to the collected ultrasonic signals.

Description

technical field [0001] The invention relates to the field of medical imaging, in particular, to a method and system for measuring mechanical parameters of cardiac tissue. Background technique [0002] Ultrasound elasticity imaging is a series of methods that use ultrasound to directly or indirectly measure the elasticity (or stiffness) of soft heart tissue. Common ultrasound elastography such as shear wave elastography (Shear Wave Elastography), strain imaging (Strain imaging) and so on. Thanks to its safety and real-time characteristics, ultrasound elastography has been widely used to characterize the mechanical properties of various biological soft cardiac tissues, and to evaluate cardiac tissue and body health accordingly. [0003] The pathological changes and functional imbalances of the heart are closely related to the mechanical properties of the cardiac tissue (including the myocardium and heart valves), and the mechanical properties of the cardiac tissue are also cl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B8/12A61B8/08A61B8/00
CPCA61B8/12A61B8/0883A61B8/4411A61B8/52A61B8/5207A61B8/5246A61B8/485A61B8/4483
Inventor 王亚华陈明心
Owner SHENZHEN INSIGHTSONICS CO LTD
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