Ultrasonic imaging probe
A technology of ultrasonic imaging and laser ultrasound, applied in ultrasonic/sonic/infrasonic image/data processing, ultrasonic/sonic/infrasonic diagnosis, ultrasonic/sonic/infrasonic Permian technology, etc. Tangential resolution, etc.
Active Publication Date: 2021-07-09
BEIHANG UNIV
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Problems solved by technology
[0005] Based on this, it is necessary to provide an improved ultrasound imaging probe for the problem that the traditional all-optical in vivo ultrasound imaging technology is difficult to improve the tangential resolution of all-optical ultrasound imaging
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[0026] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.
[0027] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical", "horizontal", "left", "right", "upper", "lower", "front", "rear", "circumferential" and...
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Abstract
The invention relates to an ultrasonic imaging probe. The ultrasonic imaging probe comprises: a shell; a laser ultrasonic transducer which is arranged in the shell, wherein the laser ultrasonic transducer is provided with a concave surface, and the laser ultrasonic transducer is configured to convert the first laser incident along the first light path into ultrasonic waves through a photoacoustic effect and outwards project and focus the ultrasonic waves to a preset area in a life body; and an acoustic lens is arranged in the shell and is configured to focus ultrasonic echoes in a preset area to a detection area of the echo detection assembly, wherein the echo detection assembly is configured to modulate the second laser incident along the second light path in response to the ultrasonic echo of the preset area, and orient the modulated second laser to the third light path for imaging. According to the ultrasonic imaging probe, a double-focusing mode of forming the focal region in the preset region in the life body and forming the focal region in the detection region of the echo detection assembly is adopted, so that the sensitivity and the imaging resolution of ultrasonic imaging are improved, and the imaging quality of all-optical in-vivo ultrasonic imaging of the life body is further improved.
Description
technical field [0001] The invention relates to the technical field of endoscopic imaging, in particular to an ultrasonic imaging probe. Background technique [0002] At present, intravascular ultrasound imaging can qualitatively and quantitatively provide grayscale images of arterial wall microstructure, which is of great significance for the study of cardiovascular diseases such as coronary atherosclerosis and stenosis. [0003] All-optical ultrasound imaging uses optically excited ultrasound and optically detected ultrasound to perform intravascular ultrasound imaging. It is a new type of ultrasound imaging technology with the advantages of high resolution, large detection depth, high sensitivity, and strong anti-interference ability. All-optical ultrasound imaging can solve the shortcomings of the current intravascular ultrasound imaging based on piezoelectric ultrasound transducers: low sensitivity of ultrasound detection, strong influence by electromagnetic interferenc...
Claims
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Patent Timeline
Login to View More IPC IPC(8): A61B5/00A61B8/00A61B8/08A61B8/12
CPCA61B5/0095A61B8/4416A61B8/0891A61B8/5261A61B8/12A61B5/0084A61B5/0035A61B8/4444A61B8/4483
Inventor 王璞王磊马丁昽
Owner BEIHANG UNIV