Fast opto-acoustic three-dimensional imaging device

A three-dimensional imaging and generation device technology, which is applied in the directions of acoustic wave diagnosis, infrasonic wave diagnosis, ultrasonic/sonic wave/infrasonic wave diagnosis, etc., can solve the problems of slow imaging speed and achieve the effect of solving the slow imaging speed

Active Publication Date: 2012-03-28
SONOSCAPE MEDICAL CORP +1
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Problems solved by technology

[0005] In order to solve the above technical problems, the present invention provides a fast photoacoustic three-dimensional imaging device to so

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Embodiment Construction

[0033] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described The embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0034] Such as figure 1 As shown, the embodiment of the present invention provides a fast photoacoustic three-dimensional imaging device, including: a laser generating device 100, an optical mask 200, a programmable logic array module 300, a photoacoustic signal receiving device 400, and a photoacoustic signal processin...

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Abstract

The invention discloses a fast opto-acoustic three-dimensional imaging device which comprises a laser generating device, an optical mask, a programmable logic array module, an optical signal receiving device, an opto-acoustic signal processing device and a three-dimensional image reconstruction module. According to the fast opto-acoustic three-dimensional imaging device, the connection and disconnection of all micro lenses in the optical mask can be controlled by the programmable logic array module, and further laser beams are controlled to irradiate areas on a tested object through the optical mask, so that opto-acoustic signals are generated and are reconstructed into a three-dimensional image. According to the fast opto-acoustic three-dimensional imaging device, since the change of theconnection and disconnection of all the micro lenses in the optical mask is extremely rapid, the areas irradiated by the laser beams on the tested object can be changed rapidly, further enough opto-acoustic signals can be received in extremely-short time and can be reconstructed into the three-dimensional image, and the problem that the imaging speed of the existing opto-acoustic three-dimensional imaging device is low is solved.

Description

Technical field [0001] The invention relates to the technical field of three-dimensional imaging, in particular to a fast photoacoustic three-dimensional imaging device. Background technique [0002] Photoacoustic imaging technology is a new type of non-destructive medical imaging technology. It uses short-pulse laser as the excitation source to detect the ultrasound signal of the biological tissue to be tested and uses the ultrasound signal as the information carrier to reconstruct the interior of the tissue through the corresponding image reconstruction algorithm Structure and function information. [0003] Current photoacoustic three-dimensional imaging devices are mostly array detectors, which use a combination of mechanical scanning and electronic scanning to scan the biological tissue to be tested. Specifically, the current photoacoustic 3D imaging device collects photoacoustic signals in a two-dimensional XY plane in a rotating scanning mode, reconstructs a two-dimensional ...

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Application Information

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IPC IPC(8): A61B8/00
Inventor 沈毅周文平孙明健冯乃章唐艳红
Owner SONOSCAPE MEDICAL CORP
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