KR20160114487A - Elasticity measurement apparatus and method thereof - Google Patents
Elasticity measurement apparatus and method thereof Download PDFInfo
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- KR20160114487A KR20160114487A KR1020150078240A KR20150078240A KR20160114487A KR 20160114487 A KR20160114487 A KR 20160114487A KR 1020150078240 A KR1020150078240 A KR 1020150078240A KR 20150078240 A KR20150078240 A KR 20150078240A KR 20160114487 A KR20160114487 A KR 20160114487A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/48—Diagnostic techniques
- A61B8/485—Diagnostic techniques involving measuring strain or elastic properties
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/46—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/46—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient
- A61B8/467—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient characterised by special input means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/52—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/5215—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of medical diagnostic data
- A61B8/5238—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of medical diagnostic data for combining image data of patient, e.g. merging several images from different acquisition modes into one image
- A61B8/5246—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of medical diagnostic data for combining image data of patient, e.g. merging several images from different acquisition modes into one image combining images from the same or different imaging techniques, e.g. color Doppler and B-mode
- A61B8/5253—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of medical diagnostic data for combining image data of patient, e.g. merging several images from different acquisition modes into one image combining images from the same or different imaging techniques, e.g. color Doppler and B-mode combining overlapping images, e.g. spatial compounding
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Abstract
A method comprising: obtaining a plurality of elastic data for an object; obtaining a plurality of measurement values from each of the plurality of elastic data; displaying the plurality of measurement values; Selecting at least one of the plurality of measurements and displaying a selected one of the selected at least one measured value or the plurality of measured values, and displaying the calculated result based on the selected at least one measured value A method of operating an ultrasonic diagnostic apparatus comprising the steps of:
Description
The present invention relates to an apparatus and method for measuring elasticity using ultrasonic waves. And more particularly, to an apparatus and method for measuring elasticity of a target object using an ultrasonic diagnostic apparatus.
The ultrasound diagnostic apparatus irradiates an ultrasound signal generated from a transducer of a probe to a target object, receives information of an echo signal reflected from the target object, and transmits the echo signal to a site (e.g., soft tissue or blood stream) To obtain at least one image. In particular, the ultrasonic diagnostic apparatus is used for medical purposes such as observation of an object, foreign object detection, and injury measurement. Such an ultrasonic diagnostic apparatus is more stable than a diagnostic apparatus using X-ray, has an advantage that it can display images in real time, and is safe because there is no radiation exposure. Accordingly, the ultrasonic diagnostic apparatus is widely used with other imaging apparatuses including a computed tomography (CT) apparatus, a magnetic resonance imaging (MRI) apparatus, and the like.
According to one embodiment, there is provided a method and apparatus for more easily providing a user with an elasticity to a subject.
According to an aspect of the present invention, there is provided a method of operating an ultrasonic diagnostic apparatus, including: obtaining a plurality of elastic data for a target object; Obtaining a plurality of measurement values from each of the plurality of elastic data; Displaying the plurality of measured values; Selecting at least one of the plurality of measurement values; Displaying the selected at least one measurement value or an unselected measurement value among the plurality of measurement values; And displaying the calculated result based on the selected at least one measurement value.
According to another embodiment, the plurality of measured values each include an elasticity value obtained from the plurality of elasticity data, and the step of displaying the plurality of measured values comprises: Determining at least one reference value that is determined based on a degree value; And displaying a graph indicating the determined at least one reference value and the plurality of measured values.
According to another embodiment, the reference value may include at least one of a median, a first quartile, and a third quartile for the plurality of elasticity values.
According to another embodiment, the graph to be displayed may include at least one reference line indicating the magnitude of the reference value.
According to another embodiment, the resultant value includes at least one of a median value, an average value, a confidence value, a standard deviation, and a ratio of an InterQuair Range (IQR) to a median value for the selected at least one measurement value .
According to yet another embodiment, the step of displaying the graph may further comprise displaying an indicator indicating a deviation for each of the plurality of elasticity values.
According to another embodiment, the step of selecting the at least one measurement value may include comparing the plurality of measured values with the obtained at least one reference value, respectively; And selecting the at least one measured value based on the comparison result.
According to another embodiment, the at least one reference value comprises a first quartile and a third quartile for the plurality of elasticity values, and the step of selecting the at least one measurement value comprises: And selecting at least one measurement value including an elasticity value that is not less than the quartile and less than or equal to the third quartile.
According to another embodiment, the operating method of the ultrasonic diagnostic apparatus further includes calculating reliability values for each of the plurality of elasticity values, and the graph may further include the calculated reliability values have.
According to yet another embodiment, the step of selecting the at least one measurement comprises: receiving a user input for the plurality of measurements; And selecting the at least one measurement value excluding some of the plurality of measurement values based on the user input.
According to an aspect of the present invention, there is provided an ultrasonic diagnostic apparatus comprising: a plurality of elasticity data acquisition means for acquiring a plurality of elasticity data for a target object and acquiring a plurality of measurement values from each of the plurality of elasticity data; A control unit; And a display unit for displaying the plurality of measured values, wherein the control unit selects at least one of the plurality of measured values, and selects an unselected measurement value or the selected at least one measured value among the plurality of measured values And the calculated result based on the selected at least one measurement value may be displayed through the display unit.
According to another embodiment, the plurality of measured values each include an elasticity value obtained from the plurality of elasticity data, and the control unit determines, based on the elasticity value obtained from the plurality of elasticity data, And the display unit displays a graph indicating the determined at least one reference value and the plurality of measured values.
According to another embodiment, the reference value may include at least one of a median, a first quartile, and a third quartile for the plurality of elasticity values.
According to another embodiment, the graph to be displayed may include at least one reference line indicating the magnitude of the reference value.
According to another embodiment, the resultant value includes at least one of a median value, an average value, a confidence value, a standard deviation, and a ratio of an InterQuair Range (IQR) to a median value for the selected at least one measurement value .
According to another embodiment, the display unit may further display an indicator indicating a deviation of each of the plurality of elasticity values.
According to another embodiment, the control unit may compare the obtained at least one reference value with the plurality of measured values, respectively, and select the at least one measured value based on the comparison result.
According to another embodiment, the at least one reference value includes a first quartile and a third quartile for the plurality of elasticity values, It is possible to select at least one measurement value including an elasticity value that is equal to or smaller than a percentile.
According to another embodiment, the control unit further calculates reliability values for each of the plurality of elasticity values, and the graph displayed on the display unit may further include the calculated reliability values.
According to yet another embodiment, the ultrasonic diagnostic apparatus further comprises an input device for receiving a user input for the plurality of measured values, and the control unit is operable to determine, based on the user input, And selecting the at least one measurement value excluding the measurement value.
A computer-readable recording medium according to an embodiment may be characterized in that a program for executing the method is recorded.
According to the above-mentioned problem solving means, the user can more easily obtain the elasticity value desired by the user.
The present invention may be readily understood by reference to the following detailed description and the accompanying drawings, in which reference numerals refer to structural elements.
1 is a block diagram showing a configuration of an ultrasonic diagnostic apparatus according to an embodiment.
2 is a block diagram showing the configuration of a wireless probe according to an embodiment.
FIG. 3 is a block diagram showing the ultrasonic diagnostic apparatus according to an embodiment.
4 is a flowchart showing an operation process of the ultrasonic diagnostic apparatus according to one embodiment.
5 is a view for explaining a shear wave.
6 is a view for explaining a shear wave generated in a target object.
FIG. 7 is a view for explaining a method of displaying an ultrasound image and an elasticity according to an embodiment.
8 and 9 are diagrams illustrating a user interface displayed according to an embodiment.
10 is a diagram illustrating a user interface displayed according to another embodiment.
11-13 illustrate a user interface for allowing a user to select an elasticity value according to yet another embodiment.
FIG. 14 is a diagram illustrating a user interface for allowing a user to select a measurement value using an automatic inspection according to another embodiment.
15 and 16 illustrate a user interface for allowing a user to select a measurement value according to another embodiment.
17 is a graph showing a graph including information related to a measured value according to an embodiment.
18-20 are diagrams illustrating a user interface for displaying information related to measurements in accordance with another embodiment.
21 is an exemplary diagram showing an indicator included in a graph according to another embodiment.
22 is a flowchart showing an operation process of the ultrasonic diagnostic apparatus according to another embodiment.
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will be readily apparent to those skilled in the art. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.
While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not limited to the disclosed embodiments. Also, in certain cases, there may be a term selected arbitrarily by the applicant, in which case the meaning thereof will be described in detail in the description of the corresponding invention. Therefore, the term used in the present invention should be defined based on the meaning of the term, not on the name of a simple term, but on the entire contents of the present invention.
Throughout the specification, when a part is referred to as being "connected" to another part, it includes not only "directly connected" but also "electrically connected" with another part in between . In addition, the term " "... Module " or the like means a unit for processing at least one function or operation, which may be implemented in hardware or software, or a combination of hardware and software. Also, when an element is referred to as "comprising ", it means that it can include other elements as well, without departing from the other elements unless specifically stated otherwise.
The term "ultrasound image " in the entire specification refers to an image of an object obtained using ultrasound. In addition, the subject may comprise a person or an animal, or a part of a person or an animal. For example, the subject may comprise at least one of the following: liver, heart, uterus, brain, breast, organs such as the abdomen, and blood vessels. Also, the object may be a phantom, and the phantom may refer to a material that is very close to the density and the effective atomic number of the organism and very close to the volume of the organism. For example, the phantom may be a spherical phantom having characteristics similar to the human body.
Also, throughout the specification, the term "user" may be a medical professional such as a doctor, a nurse, a clinical pathologist, a medical imaging specialist, or the like, but is not limited thereto.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
1 is a block diagram showing the configuration of an ultrasound
The ultrasonic
The
The
The receiving
The
The B mode processing unit 1212 included in the
Similarly, the
The
The
The
The
The
The short-
The
The
The
The
The
The
Some or all of the
2 is a block diagram showing the configuration of a
The
The
FIG. 3 is a block diagram further illustrating the structure of the ultrasonic
The ultrasound
The
The
The
The
Also, the
The
The
The
4 is a flowchart showing an operation process of the ultrasonic diagnostic apparatus according to one embodiment.
In step S410, the ultrasonic
In step S420, the ultrasonic
Thereafter, in step S430, the ultrasonic
After step S410, the ultrasonic
In step S440, the ultrasound
In step S450, the ultrasound
The graph displayed on the
5 is a view for explaining a shear wave.
Referring to FIG. 5, when a force of a point impulse is applied in the Z-axis direction, a p-wave as a longitudinal wave, an s-wave as a transverse wave, and a ps wave coupled with two waves are generated. Here, the shear wave is a wave that oscillates in the direction of wave propagation from a vibration source applied with a force and propagates in the Y-axis direction, which means s wave.
6 is a view for explaining a shear wave generated in a target object.
6, the ultrasound
In this case, a
FIG. 7 is a view for explaining a method of displaying an ultrasound image and an elasticity according to an embodiment.
The ultrasound
8 and 9 are diagrams illustrating a user interface displayed according to an embodiment.
The ultrasonic
If the user selects at least one indicator 810-8, 810-9, the ultrasound
10 is a diagram illustrating a user interface displayed according to another embodiment.
In FIGS. 8 and 9, the elasticity values are indicated by dots, but the elasticity values may be variously displayed according to the embodiment. 10, a plurality of elasticity values may be displayed using a graph 900-1 including a
11-13 illustrate a user interface for allowing a user to select an elasticity value according to yet another embodiment.
11, the ultrasonic
12, the ultrasound
In addition, the ultrasound
FIG. 14 is a diagram illustrating a user interface for allowing a user to select a measurement value using an automatic inspection according to another embodiment.
14, the
When the user selects a
15 and 16 illustrate a user interface for allowing a user to select a measurement value according to another embodiment.
Referring to FIG. 15, the
The
17 is a graph showing a graph including information related to a measured value according to an embodiment.
According to one embodiment, any one of the elasticity values (e.g., indicator 810-6) included in graph 800-8 based on user input entered via
18-20 are diagrams illustrating a user interface for displaying information related to measured values according to another embodiment.
In addition, the
The
22 is a flowchart showing an operation process of the ultrasonic diagnostic apparatus according to another embodiment.
In step S2210, the ultrasonic
Then, in step S2220, the ultrasonic
Thereafter, in step S2230, the ultrasonic
In step S2240, the ultrasound
In step S2250, the ultrasonic
In step S2250, the ultrasound
Although an ultrasonic diagnostic apparatus and method for measuring elasticity values using shear waves have been described throughout the present specification, the embodiments described herein are not limited to the time-intensity enhancement intensity changes in ultrasonic diagnosis using a contrast agent A time-intensity curve measurement, a strain measurement, or an interleaved amount measurement.
One embodiment of the present invention may also be embodied in the form of a recording medium including instructions executable by a computer, such as program modules, being executed by a computer. Computer readable media can be any available media that can be accessed by a computer and includes both volatile and nonvolatile media, removable and non-removable media. In addition, the computer-readable medium can include both computer storage media and communication media. Computer storage media includes both volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data. Communication media typically includes any information delivery media, including computer readable instructions, data structures, program modules, or other data in a modulated data signal such as a carrier wave, or other transport mechanism.
It will be understood by those skilled in the art that the foregoing description of the present invention is for illustrative purposes only and that those of ordinary skill in the art can readily understand that various changes and modifications may be made without departing from the spirit or essential characteristics of the present invention. will be. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. For example, each component described as a single entity may be distributed and implemented, and components described as being distributed may also be implemented in a combined form.
The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents are to be construed as being included within the scope of the present invention do.
Claims (21)
Obtaining a plurality of elasticity data for the object;
Obtaining a plurality of measurement values from each of the plurality of elastic data;
Displaying the plurality of measured values;
Selecting at least one of the plurality of measurement values;
Displaying the selected at least one measurement value or an unselected measurement value among the plurality of measurement values; And
And displaying the calculated result based on the selected at least one measured value.
The plurality of measured values may include:
And an elasticity value obtained from the plurality of elasticity data,
Wherein the displaying of the plurality of measured values comprises:
Determining at least one reference value determined based on an elasticity value obtained from the plurality of elasticity data; And
And displaying a graph representing the determined at least one reference value and the plurality of measured values.
Wherein,
A median value for the plurality of elasticity values, a first quartile, and a third quartile.
The displayed graph may include:
And at least one reference line representing the magnitude of the reference value.
The above-
A ratio of a median value, an average value, a confidence value, a standard deviation, and an Interquired Range (IQR) to a median value for the selected at least one measurement value.
Wherein displaying the graph comprises:
Further displaying an indicator indicative of a deviation for each of the plurality of elasticity values.
Wherein the selecting of the at least one measurement value comprises:
Comparing the obtained at least one reference value and the plurality of measured values, respectively; And
And selecting the at least one measured value based on the comparison result.
Wherein the at least one reference value comprises a first quartile and a third quartile for the plurality of elasticity values,
Wherein selecting the at least one measurement comprises selecting at least one measurement comprising an elasticity value that is greater than or equal to the first quartile and less than or equal to the third quartile.
The method comprises:
Further comprising calculating reliability values for each of the plurality of elasticity values,
In the graph,
And further comprising the calculated confidence values.
Wherein the selecting of the at least one measurement value comprises:
Receiving user input for the plurality of measurements; And
Selecting the at least one measurement value excluding some of the plurality of measurement values based on the user input.
A control unit configured to acquire a plurality of elasticity data for an object and to obtain a plurality of measured values from each of the plurality of elasticity data; And
And a display unit for displaying the plurality of measured values,
Wherein the control unit selects at least one of the plurality of measured values and displays an unselected measurement value or the selected at least one measured value among the plurality of measured values, and calculates, based on the selected at least one measured value, And the resultant value is displayed through the display unit.
The plurality of measured values may include:
And an elasticity value obtained from the plurality of elasticity data,
Wherein,
Determining at least one reference value that is determined based on the elasticity value obtained from the plurality of elasticity data,
The display unit includes:
And displays a graph indicating the determined at least one reference value and the plurality of measured values.
Wherein,
And a median value, a first quartile, and a third quartile of the plurality of elasticity values.
The displayed graph may include:
And at least one reference line indicating the magnitude of the reference value.
The above-
Wherein the at least one measured value comprises at least one of a median, an average value, a confidence value, a standard deviation, and a ratio of an InterQuair Range (IQR) to a median value.
The display unit includes:
And further displays an indicator indicating a deviation for each of the plurality of elasticity values.
Wherein,
And compares the obtained at least one reference value with the plurality of measured values, respectively, and selects the at least one measured value based on the comparison result.
Wherein the at least one reference value comprises a first quartile and a third quartile for the plurality of elasticity values,
Wherein the controller selects at least one measurement value including an elasticity value that is equal to or greater than the first quartile and equal to or less than the third quartile.
Wherein,
Further calculating reliability values for each of the plurality of elasticity values,
The graph displayed on the display unit includes:
And further comprising the calculated reliability values.
The ultrasonic diagnostic apparatus includes:
Further comprising an input device for receiving a user input for the plurality of measurements,
Wherein,
And selects the at least one measurement value excluding a part of the plurality of measurement values based on the user input.
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US14/987,836 US20160278741A1 (en) | 2015-03-24 | 2016-01-05 | Apparatus and method of measuring elasticity using ultrasound |
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US201562137424P | 2015-03-24 | 2015-03-24 | |
US62/137,424 | 2015-03-24 |
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KR20220050372A (en) * | 2020-10-16 | 2022-04-25 | 한국과학기술연구원 | Deep vein thrombosis diagnosis device |
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