Opto-acoustic and ultrasonic bimodal synchronous imaging system and method

A technology for synchronous imaging and imaging methods, which is applied in ultrasonic/sonic/infrasonic Permian technology, ultrasonic/sonic/infrasonic image/data processing, medical science, etc. There are many problems such as missing frames, unable to reflect organizational information, etc., to achieve the effect of perfect evaluation and elimination of different bits

Active Publication Date: 2016-03-16
TONGJI UNIV +1
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

This is due to the closure of the hardware and algorithm interfaces of existing ultrasound imaging equipment: on the one hand, the work repetition frequency of ultrasound excitation and pulsed laser excitation is different, so the synchronization between ultrasound images and photoacoustic images is poor, and the phenomenon of frame loss and frame leakage is relatively hi

Method used

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  • Opto-acoustic and ultrasonic bimodal synchronous imaging system and method
  • Opto-acoustic and ultrasonic bimodal synchronous imaging system and method
  • Opto-acoustic and ultrasonic bimodal synchronous imaging system and method

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Embodiment

[0032] The invention combines ultrasonic imaging and photoacoustic imaging to establish a dual-mode synchronous in-situ imaging system, and realizes ultrasonic and photoacoustic Simultaneous, in situ and isometric imaging. Such as figure 1 As shown, the present invention discloses a photoacoustic ultrasound dual-mode synchronous imaging system, according to figure 2 As shown in the timing sequence, the working steps of the system include the following steps:

[0033] Step 1, the host computer outputs an excitation electrical signal to the multi-channel ultrasonic probe, and at the same time sends a synchronization signal to the pulse laser. The host computer has a synchronization signal output function, which can realize the synchronization of the laser and the ultrasonic probe. The interval between one synchronization signal and the next synchronization signal is an imaging cycle;

[0034] Step 2: The multi-channel ultrasonic probe emits ultrasonic waves to irradiate the ...

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Abstract

The invention relates to an opto-acoustic and ultrasonic bimodal synchronous imaging system, which is applied to diagnostic imaging of tested tissues in the medical field. The imaging system comprises a host machine, a pulse laser, as well as a multi-channel ultrasonic probe, 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 multi-channel ultrasonic probe and the pulse laser; the multi-channel ultrasonic probe 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 being synchronous, precise, consistent in proportion and the like.

Description

technical field [0001] The invention relates to the fields of photoacoustic imaging and ultrasonic imaging, in particular to a photoacoustic ultrasonic dual-mode synchronous 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 and blood flow movements with differences in acoustic impedance, 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 radiological diagnostic methods such as MRI, CT or X-ray to provide doctors with more specific information about the lesion. [0003] Photoacoustic imaging is a medical imaging method newly developed in recent years. It can provid...

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Application Information

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IPC IPC(8): A61B5/00A61B8/08
CPCA61B5/0035A61B5/0095A61B5/7221A61B8/08
Inventor 程茜蒋勇易勇刘国涛陈域迪刘颖斌
Owner TONGJI UNIV
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