Elastography device and method
AssigneeEchosens
InventorsLaurent Sandrin, Stéphane Audière, Véronique Miette
Life of this patent
Estimating the term…
Abstract
An elastography method implemented by an elastography device, the method including obtaining a respiratory signal related to a respiratory activity of a subject; and acquiring a plurality of measurements of a mechanical property of a region of a body of the subject, the region being a part of a liver or a spleen of the subject, wherein each measurement among at least a subset of the plurality of measurements of the mechanical property is acquired at a same moment of a respective respiratory cycle determined from the respiratory signal.
Claims20
An elastography method implemented by an elastography device including an elastography probe, the method comprising:
- obtaining, using a respiratory sensor separate from the elastography probe, a respiratory signal related to a respiratory activity of a subject;
- and
- acquiring, using the elastography probe of the elastography device, a plurality of measurements of a mechanical property of a region of a body of the subject, the region being a part of a liver or a spleen of the subject;
- wherein each measurement among at least a subset of the plurality of measurements of the mechanical property is acquired at a same moment of a respective respiratory cycle determined from the respiratory signal.
An elastography method implemented by an elastography device, the method comprising:
- obtaining, using a respiratory sensor, a respiratory signal related to a respiratory activity of a subject;
- acquiring, using an elastography probe of an elastography device, a plurality of measurements of a mechanical property of a region of a body of the subject, the region being a part of a liver or a spleen of the subject, and
- for, each measurement of the plurality of measurements, detecting an event in the respiratory signal, said event corresponding to a beginning of an inspiration, an end of an inspiration, a beginning of an expiration, or an end of an expiration, and acquiring the measurement upon the detection of the event,
- wherein each measurement among at least a subset of the plurality of measurements of the mechanical property is acquired at a same moment of a respective respiratory cycle determined from the respiratory signal, and
- wherein each measurement of the plurality of measurements is acquired at a respective time corresponding to a time at which a cardiac signal is detected delayed by a predefined temporal offset.
An elastography system comprising an elastography probe and an electronic unit including a processing circuit, the electronic unit being configured to:
- receive a respiratory signal, from a respiratory sensor separate from the elastography probe, related to a respiratory activity of a subject, and
- acquire a plurality of measurements of a mechanical property of a region of a body of the subject, the region being a part of a liver or a spleen of the subject;
- wherein each measurement among at least a subset of the plurality of measurements of the mechanical property is acquired at a same moment of a respective respiratory cycle determined from the respiratory signal.
A non-transitory computer readable storage medium, having stored thereon a computer program comprising program instructions, the computer program being loadable into a data-processing unit and adapted to cause the data-processing unit to carry out the steps of an elastography method using an elastography device including an elastography probe when the computer program is run by the data-processing device, the elastography method comprising
- obtaining, using a respiratory sensor separate from the elastography probe, a respiratory signal related to a respiratory activity of a subject;
- and
- acquiring, using the elastography probe of the elastography device, a plurality of measurements of a mechanical property of a region of a body of the subject, the region being a part of a liver or a spleen of the subject;
- wherein each measurement among at least a subset of the plurality of measurements of the mechanical property is acquired at a same moment of a respective respiratory cycle determined from the respiratory signal.
An elastography method implemented by an elastography device, the method comprising:
- obtaining, using a respiratory sensor, a respiratory signal related to a respiratory activity of a subject;
- and
- acquiring, using an elastography probe of an elastography device, a plurality of measurements of a mechanical property of a region of a body of the subject, the region being a part of a liver or a spleen of the subject;
- wherein each measurement among at least a subset of the plurality of measurements of the mechanical property is acquired at a same moment of a respective respiratory cycle determined from the respiratory signal, and
- wherein the respiratory signal is received by a control unit of the elastography device, the control unit being configured to trigger the measurement among the at least a subset of the plurality of measurements upon detection of an upward peak or a downward peak in the respiratory signal.
An elastography system comprising an elastography probe and an electronic unit including a processing circuit, the electronic unit being configured to:
- receive a respiratory signal, from a respiratory sensor, related to a respiratory activity of a subject, and
- acquire a plurality of measurements of a mechanical property of a region of a body of the subject, the region being a part of a liver or a spleen of the subject;
- wherein each measurement among at least a subset of the plurality of measurements of the mechanical property is acquired at a same moment of a respective respiratory cycle determined from the respiratory signal, and
- wherein the elastography system further comprises a control unit configured to receive the respiratory signal, the control unit being configured to trigger the measurement among the at least a subset of the plurality of measurements upon detection of an upward peak or a downward peak in the respiratory signal.
Dependencies are inferred from the claim text.