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Extended volume ultrasound data display and measurement

A technology of ultrasonic data and volume, applied in measuring devices, radio wave measurement systems, ultrasonic/sonic/infrasonic diagnosis, etc., can solve problems such as inaccuracy

Inactive Publication Date: 2009-02-04
SIEMENS MEDICAL SOLUTIONS USA INC
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  • Summary
  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, relative position information and associated data alignment may be imprecise compared to scans using multidimensional or wobbler transducers

Method used

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  • Extended volume ultrasound data display and measurement
  • Extended volume ultrasound data display and measurement
  • Extended volume ultrasound data display and measurement

Examples

Experimental program
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Embodiment Construction

[0018] One-dimensional or two-dimensional correlation, tracking or other position determination processes determine the relative position of the three-dimensional volume. Two-dimensional processing may be more computationally efficient than three-dimensional correlation or tracking. Two or more degrees of freedom can be determined by performing one- or two-dimensional correlations along different axes or two-dimensional planes. Two two-dimensional planes can be used to determine six degrees of freedom: three-dimensional translation and rotation.

[0019] The precision of one- or two-dimensional position processing can lead to an extended field of view in three dimensions, providing precise calculations. Determining the relative position of data associated with the same portion of the menstrual cycle can provide greater accuracy. The relative positions are used to form a three-dimensional expanded view and / or to form two or more two-dimensional expanded views from two or more...

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Abstract

Three-dimensional ultrasound data acquisition is provided for extended field of view imaging or processing. The relative position of two or more three-dimensional volumes (40, 42) is determined using two-dimensional processes. For example, differences in position along two non-parallel planes (72, 74) are determined. By combining the vectors from the two differences, a relative position of the three-dimensional volumes (40, 42) is determined. Other features include calculating a value, such as a volume or distance, as a function of a relative position of two or more volumes, generating (38) a two-dimensional extended field of view or multiplanar reconstruction as a function of a relative position without necessarily forming a three-dimensional extended field of view, and accounting for physiological phase for determining (34) relative position or combining (36) data representing different volumes.

Description

Background technique [0001] This embodiment relates to three-dimensional imaging. In particular, three-dimensional ultrasound imaging of large or elongated regions of a patient is provided. [0002] Commercially available ultrasound systems perform three-dimensional (3D) and four-dimensional (4D) volumetric imaging. Some 3D and 4D ultrasound systems use one-dimensional transducers to scan in a given plane. The transducers are translated or moved to different positions without constraint, resulting in a stack of planes with different relative spatial relationships to represent the volumetric region of the patient. However, the relative position information and associated data alignment may be imprecise compared to scanning using multidimensional or wobbler transducers. [0003] With volume imaging transducers such as multi-dimensional array or oscillator transducers, ultrasound energy is transmitted and received along scan lines within a volumetric region or within a patient...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B8/00
CPCA61B8/00G01S7/52065A61B8/483A61B8/4254G01S15/8993
Inventor L·隋A·蒂鲁马莱
Owner SIEMENS MEDICAL SOLUTIONS USA INC
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