Acquisition control for elasticity ultrasound imaging

An elastic ultrasound and imaging technology, applied in the acquisition control system, the acquisition control field of elastic ultrasound imaging, can solve the problem that the movement may not be optimal

Inactive Publication Date: 2015-09-30
SIEMENS MEDICAL SOLUTIONS USA INC
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such use of predetermined settings regarding elastography fixation should not account for changes in motion and may not be optimal for the motion present

Method used

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  • Acquisition control for elasticity ultrasound imaging
  • Acquisition control for elasticity ultrasound imaging
  • Acquisition control for elasticity ultrasound imaging

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Embodiment Construction

[0012] Automatic determination of the acquisition frame rate in acoustic radiation force pulse imaging, shear wave imaging, or other elastography. Automatically determines the appropriate acquisition time given the detected motion. Adjust the acquisition parameters in elastography accordingly to obtain the best image under the current motion conditions.

[0013] In one embodiment, transducer and / or tissue motion is determined while imaging. The system calculates the appropriate ARFI or shear wave frame rate for the amount of motion presented and automatically adjusts the acquisition parameters (e.g. line spacing, acoustic output, number of parallel receive channels or beams, number of push pulses, number of tracking pulses, quiet time and / or number of B-mode base frames) to achieve the desired frame rate. In another embodiment, the system automatically varies ARFI or shear wave acquisition parameters to provide optimal temporal resolution, spatial resolution and / or image qua...

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Abstract

Acquisition settings for elasticity imaging are controlled (28) based on detected motion (26). Rather than rely solely on user settings, one or more acquisition parameters are automatically set (28) based on the detected motion (26). For example, the settings provide for a more rapid frame rate with less resolution in elasticity imaging for times associated with greater motion and for less rapid frame rate with greater resolution for times associated with lesser motion.

Description

Background technique [0001] This embodiment relates to elastic ultrasound imaging. Elastography includes Acoustic Radiation Force Impulse (ARFI) imaging, shear wave imaging, strain imaging and / or strain rate imaging. Elasticity is a parametric imaging measurement of tissue characteristics. Tissues with different characteristics respond to stress differently. Measuring tissue response to stress. Ultrasound can be used to displace tissue directly or via shear or longitudinal wave generation, for example, by sending ARFI push pulses. An additional ultrasound scan can be used to measure the displacement induced by the push pulse. Where displacement in response to this longitudinal wave is measured, ARFI imaging is provided. In cases where the displacement in response to the shear wave is measured, shear imaging is provided. [0002] Push pulses are repeated to measure displacement at different laterally spaced positions. However, the repetition of ARFI pulses can lead to un...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B8/08
CPCA61B8/485A61B8/5276A61B8/52A61B8/54G01S7/52042G01S7/52022A61B8/00A61B8/08A61B8/5223A61B8/0883A61B8/14G01S7/52046G01H17/00A61B8/0833G01S15/8945G06T7/0012
Inventor P·D·弗赖伯格N·M·伊万瑟维克L·范
Owner SIEMENS MEDICAL SOLUTIONS USA INC
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