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Equal phase two-dimensional array probe

A two-dimensional array and equal-phase technology, which is applied in the field of medical devices, can solve the problems that the sparse two-dimensional array cannot provide sufficient resolution and the echo signal channel is limited, so as to facilitate image reconstruction and improve beam resolution.

Active Publication Date: 2009-05-06
SONOSCAPE MEDICAL CORP
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Problems solved by technology

However, as mentioned above, the sparse 2D array scanning process does not provide sufficient resolution due to the limited channels used to scan and generate echo signals

Method used

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  • Equal phase two-dimensional array probe

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Embodiment Construction

[0026] figure 2 It is a perspective functional diagram of the isophase two-dimensional ultrasonic scanning system 100 of the present invention. The two-dimensional scanning system includes 16 transducer arrays 110-1 to 110-16 arranged along the Z-axis direction. Each column of the 16 transducer arrays contains 128 transducers, thus forming There are 128 rows of transducers along the X-axis direction. The scanning system 100 also includes a 64-channel bus (120-1 to 120-64) connected to the front end of the scanner for inputting row array control signals to the 64-channel beamformer. Signal control module 120 is a multiplexer that connects selected 128-element buses (140-1 to 140-128) to 64-channel buses, eg 120-1 to 120-64. Each of these 64 channel buses 120-i (wherein i=1~64) is connected to one or more columns of array elements 130-j and k simultaneously through 125-j, wherein j=1~16, k=1~128 . These column control lines 125 provide control signals to configure the colum...

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Abstract

The present invention relates to medical appliance technique field, and provides a system and method for scanning medical images using a 2D array probe. The system includes a 2D array probe, composed of transducer elements disposed in longitude and latitudinal directions; a multiplexer disposed in a first dimension along the longitude or the latitudinal directions, transmitting the transducer elements to system front-end channels, and summing signals from the transducer elements appointed along a second dimension to the first dimension. The system and method for scanning medical images can improve beam resolution, be convenient to rebuild images and provide accurate images with high quality.

Description

technical field [0001] The invention relates to the technical field of medical devices, and mainly uses an improved method and configuration to arrange three-dimensional imaging probes to complete a system and method for medical imaging processing. More specifically, the present invention improves the image acquisition method by arranging two-dimensional probes, thereby improving volumetric imaging, and the convenience of probe production. Background technique [0002] Although the image display technology has made great progress, it can be displayed with higher resolution, and the scanned image can be observed with three-dimensional images from different angles for more accurate diagnosis. However, the process of using two-dimensional array probes is still limited by technical limitations. difficulty. As an example, the sparse two-dimensional array probes disclosed in US Pat. Nos. 5,911,692 and 6,014,897 produce poor beam resolution images, which complicate the image const...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B19/00A61B8/00
CPCG01S7/5208G01S15/8925G10K11/346G10K11/345A61B8/483
Inventor 姚锦钟陈志强周文平
Owner SONOSCAPE MEDICAL CORP
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