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Ultrasonic, opto-acoustic and opto-acoustic spectrometry tri-modal imaging system and method

An imaging system and imaging method technology, applied in ultrasonic/sonic/infrasonic Permian technology, ultrasonic/sonic/infrasound image/data processing, organ motion/change detection, etc., can solve the problem of inability to obtain spatial photoacoustic spectrum information and other problems, to achieve the effect of perfect evaluation of the organization, consistent proportion, and exclusion of different positions

Active Publication Date: 2016-03-16
TONGJI UNIV
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Problems solved by technology

At present, photoacoustic imaging requires the original data of photoacoustic signals. Generally, single-array ultrasonic sensors are used to collect and analyze tissue data, and spatial photoacoustic spectral information cannot be obtained. Dual-modal imaging systems with ultrasound and photoacoustics have not become organic. overall system

Method used

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  • Ultrasonic, opto-acoustic and opto-acoustic spectrometry tri-modal imaging system and method
  • Ultrasonic, opto-acoustic and opto-acoustic spectrometry tri-modal imaging system and method
  • Ultrasonic, opto-acoustic and opto-acoustic spectrometry tri-modal imaging system and method

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Embodiment

[0031] Such as figure 2 As shown, the present invention combines ultrasonic imaging, photoacoustic imaging and photoacoustic spectral imaging technologies to establish a three-mode in-situ imaging system. Through the synchronous control of ultrasonic sensors and pulsed lasers, the time delay of ultrasonic echo signals and photoacoustic signal acquisition Control, the spectral analysis of the raw data of the photoacoustic signal, realized the synchronous in situ imaging of ultrasound, photoacoustic and photoacoustic spectrum, reflecting the tissue structure, light absorption distribution information, tissue molecular composition content and size information,

[0032] Such as figure 1 As shown, the present invention discloses a three-modal imaging method of ultrasonic photoacoustic photoacoustic spectroscopy, comprising the following steps:

[0033] Step 1, the array ultrasonic sensor emits ultrasonic waves to irradiate the tissue to be identified;

[0034] Step 2, emitting u...

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Abstract

The invention relates to an ultrasonic, opto-acoustic and opto-acoustic spectrometry tri-modal imaging system, which is applied to identification of ingredient content and dimension equivalent of a tissue. The system comprises a host machine, a pulse laser, as well as an array ultrasonic sensor, a data acquisition module, a data processing and image reconstruction module and a display module which are sequentially connected, wherein the host machine is connected to the array ultrasonic sensor and the pulse laser; the array ultrasonic sensor clings to the tested tissues; and the pulse laser is opposite to the tested tissues. Compared with the prior art, the imaging system disclosed by the invention has the advantages of achieving tri-modal imaging as well as synchronous and equal-proportion imaging and the like.

Description

technical field [0001] The present invention relates to the field of three-mode cooperative imaging of ultrasonic imaging, photoacoustic imaging and photoacoustic spectrum imaging, and in particular to an ultrasonic photoacoustic photoacoustic spectrum three-mode imaging system and method. Background technique [0002] Ultrasound imaging for medical diagnosis is widely used in medical diagnosis due to its advantages of non-ionizing radiation, high-resolution imaging of anatomical structures, and low cost. However, ultrasound imaging is generally sensitive to tissue structures with differences in acoustic impedance and blood flow with movement speed, and is not specific to other physical and chemical properties of tissues, so the diagnostic function is limited. In many medical clinical diagnoses, ultrasound imaging needs to be combined with other diagnostic methods to provide doctors with more specific information about the lesion. [0003] Photoacoustic imaging is a medical...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B8/08
Inventor 程茜陈域迪刘国涛徐峥
Owner TONGJI UNIV
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