CN106859697B - Method for measuring distance by ultrasonic diagnostic apparatus - Google Patents
Method for measuring distance by ultrasonic diagnostic apparatus Download PDFInfo
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- CN106859697B CN106859697B CN201710076710.6A CN201710076710A CN106859697B CN 106859697 B CN106859697 B CN 106859697B CN 201710076710 A CN201710076710 A CN 201710076710A CN 106859697 B CN106859697 B CN 106859697B
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- 238000002604 ultrasonography Methods 0.000 description 3
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- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
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- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
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Abstract
The invention discloses a method for measuring distance by an ultrasonic diagnostic apparatus, which comprises the following steps: moving a preset scale to a target area to be measured; adjusting the length and the angle of the scale to enable two end points to be measured of the target to be measured to fall on the scale; and rapidly judging the distance between the two end points to be measured of the target to be measured by naked eyes according to the length of the scale, and automatically calculating the accurate value of the distance between the two end points to be measured of the target to be measured by the system. The technical scheme provided by the invention can more conveniently and quickly obtain the distance between two end points to be measured of the target to be measured, and simultaneously ensure the accuracy, thereby quickly and accurately evaluating the illness state of the patient and improving the diagnosis and treatment quality.
Description
Technical Field
The invention relates to the field of medical ultrasonic diagnosis, in particular to a method for measuring distance by an ultrasonic diagnostic apparatus.
Background
With the development of medicine, clinicians are increasingly required to make an early and rapid assessment of patients' conditions, especially patients with emergency, surgical, or anesthetic conditions that are subject to rapid changes and/or unknown medical history. Ultrasonic diagnosis is an imaging method for clinical rapid assessment and auxiliary participation in diagnosis and treatment. In the past conventional diagnostic procedures, a patient requiring an ultrasound examination must be sent to a sonographer for examination; with the development of microelectronic technology, the ultrasonic instrument tends to be more portable, and critical patients can obtain the bedside ultrasonic examination of an ultrasonic doctor without moving; due to the need of rapidly evaluating the illness state of the patient, more and more clinicians (emergency treatment, operation, anesthesia, etc.) begin to carry out rapid ultrasonic examination on the patient, so that the condition of the patient can be prevented from being delayed due to the arrival of the ultrasonic physicians. Non-ultrasonic professional doctors are becoming mature to carry out emergency ultrasonic examination work. The critical patients have a constantly changing disease condition, the ultrasonic evaluation is rapidly completed, and the acquisition of important information related to the disease condition is the basic requirement of a clinician on the ultrasonic examination. In the course of an ultrasound examination, many cases involve measuring the distance between two points.
When the distance between two points is measured in the ultrasonic diagnosis in the prior art, the distance between the two points can be obtained only after two endpoints to be measured are selected by a mouse through pure mouse operation; or the distance between the two points is judged by the experience of the sonographer completely by adopting a visual observation method. It is clear that the second method, although fast, is not highly accurate; the first method, although accurate, is still tedious and complicated when the critical patient needs to be rescued in time and seconds.
Disclosure of Invention
The invention aims to provide a method for measuring distance by an ultrasonic diagnostic apparatus, which can more conveniently and quickly obtain the distance between two end points to be measured of a target to be measured, and can ensure the accuracy of the distance, thereby quickly and accurately evaluating the illness state of a patient and improving the diagnosis and treatment quality.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
moving a preset scale to a target area to be measured; adjusting the length and the angle of the scale to enable two end points to be measured of the target to be measured to fall on the scale; and rapidly judging the distance between the two end points to be measured of the target to be measured by naked eyes according to the length of the scale, and automatically calculating the accurate value of the distance between the two end points to be measured of the target to be measured by the system.
According to the method for measuring the distance by the ultrasonic diagnostic apparatus provided by the embodiment of the invention, by adopting a mode of combining naked eye judgment and system automatic calculation, the actual experience of a doctor is added into ultrasonic diagnosis, and meanwhile, the system obtains the accurate values of two end points, which is equivalent to simultaneous calculation by a human and a machine. Especially when the critical patient needs to be rescued in time sharing, the method can highlight the advantages.
In a preferred mode, the method for automatically calculating the accurate value of the distance between the two end points to be measured by the system comprises the following steps: identifying two end points to be measured of the target to be measured and the gray level of a surrounding image; determining the accurate positions of the two end points according to the difference of the gray levels; and calculating the accurate value of the distance between the two end points according to the accurate positions of the two end points.
The distance is calculated by adopting the gray difference between the two end points and the surrounding image, so that the distance between the two end points can be calculated more quickly and accurately.
Preferably, the length of the scale is adjusted to be an integral multiple of a unit length set in advance. Further, the scale is provided with a mark of the unit length.
Further, the initial length of the scale is set according to the length of the target to be measured.
Further, the length of the scale is synchronously adjusted according to the ultrasonic depth and the ultrasonic image magnification scale.
Preferably, a rocker or trackball function key is used to move the scale.
Further, the method of the present invention further comprises: and displaying the precise value of the distance between the two end points on an ultrasonic screen.
By adopting the further technical scheme, the arrangement of the scale can be more standard, so that the distance between two points can be calculated more quickly and accurately.
Drawings
FIG. 1 is a flow chart of a method for measuring distance of an ultrasonic diagnostic apparatus according to the present invention;
FIG. 2 is a schematic view of a 2cm scale in the method for measuring distance of the ultrasonic diagnostic apparatus according to the present invention;
FIG. 3 is a schematic view of a 4cm scale in the method for measuring distance of the ultrasonic diagnostic apparatus according to the present invention;
FIG. 4 is a schematic diagram of the distance between two points obtained by placing the scale on the target to be measured according to the present invention.
In the figure: 1 is a 2cm scale, 2 is a 4cm scale, 3 is one end point of the object to be measured, and 4 is the other end point of the object to be measured.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings.
Fig. 1 is a flow chart of a method for measuring distance of an ultrasonic diagnostic apparatus of the present invention.
in the invention, the initial length of the scale is preset according to the length of the target to be measured, and the initial length of the scale is different when the target to be measured is different. For example: when the heart is subjected to ultrasonic diagnosis, the initial length of the ruler can be set to be 5 cm; when ultrasonic diagnosis is performed on the abdomen, the initial length of the ruler can be set to be 10 cm; the ultrasonic diagnosis of other parts can set corresponding initial lengths according to the clinical common value. Therefore, the length of the scale is prevented from being further adjusted in the measuring process, and the initial length approximately matched with the target to be detected can be obtained only by selecting the ultrasonic part, so that the diagnosis speed is accelerated.
In addition, in the invention, the length of the naked eye of the ruler is synchronously adjusted according to the ultrasonic depth and the ultrasonic image magnification ratio. When different ultrasonic depths and ultrasonic image magnification scales are set, the length of the ruler is changed along with the change of the ultrasonic depths and the ultrasonic images, but the actual length represented by the ruler is unchanged, namely the length represented by the ruler is always the real length of the measured object.
Preferably, a rocker type or a trackball type function key is adopted to move the scale, so that the operation is more convenient, and the scale can be moved to any position on the screen.
in the invention, the length and the angle of the scale can be adjusted at will. Preferably, the length of the scale is adjusted according to an integral multiple of a preset unit length, and the scale is provided with the mark of the unit length. For example, if the unit length is set to 1cm, 2cm is two unit lengths, 4cm is 4 unit lengths, and so on, and the unit length of 1cm is increased or decreased, as shown in fig. 2 and 3, the end point of each unit length is displayed on the scale, so that the length of the scale can be more intuitively represented, and the approximate length of the target to be measured can be quickly known. In addition, when the angle of the scale can be adjusted at will, the distance between any two points in the target to be measured can be measured.
And 103, rapidly judging the distance between the two end points to be measured of the target to be measured by naked eyes according to the length of the scale, and automatically calculating the accurate value of the distance between the two end points to be measured of the target to be measured by the system.
In the invention, when the length and the angle of the scale are adjusted to ensure that two end points to be measured of the target to be measured fall on the scale and the length of the scale is approximately equal to the distance between the two end points to be measured of the target to be measured, the distance between the two end points can be quickly judged by naked eyes by using the scale as a reference object to obtain an estimated value. At the same time, the system will automatically calculate the exact value of the distance between the two points. Preferably, the precise distance measurement is completed by adopting the principle that the gray levels of the target to be measured and the surrounding image are different in the ultrasonic image. Specifically, the system firstly identifies two end points to be measured of the target to be measured and the gray levels of surrounding images, then determines the accurate positions of the two end points according to the difference of the gray levels, and finally calculates the accurate value of the distance between the two end points according to the accurate positions of the two end points. Generally, in an ultrasound image, the gray scale difference between the target to be measured and the surrounding image is obvious, so that the positions of the two end points can be accurately identified. The specific gray difference value can be automatically identified by the system and can be set, and a user can set different identifiable gray differences according to different devices and different measurement targets, so that different user requirements are met.
Further, the method of the invention can also comprise the following steps: and displaying the precise value of the distance between the two end points on an ultrasonic screen. When the system automatically calculates the accurate values of the two end points, the numerical value is displayed beside the target to be measured, and the system is more convenient and visual.
According to the method for measuring the distance by the ultrasonic diagnostic apparatus provided by the embodiment of the invention, by adopting a mode of combining naked eye judgment and system automatic calculation, the actual experience of a doctor is added into ultrasonic diagnosis, and meanwhile, the system obtains the accurate values of two end points, which is equivalent to simultaneous calculation by a human and a machine. Especially when the critical patient needs to be rescued in time sharing, the method can highlight the advantages.
Those skilled in the art will appreciate that all or part of the steps in the method for implementing the above embodiments may be implemented by instructing the relevant hardware to implement the program, and the program may be stored in a computer-readable storage medium, such as a ROM/RAM, a magnetic or optical disk, and the like.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention.
Claims (1)
1. A method for measuring distance by an ultrasonic diagnostic apparatus, comprising:
moving a preset scale to a target area to be measured; the initial length of the scale is set according to the length of the target to be measured;
adjusting the length and the angle of the scale to enable two end points to be measured of the target to be measured to fall on the scale; the length of the scale is adjusted according to integral multiple of preset unit length;
rapidly judging the distance between two end points to be measured of the target to be measured by naked eyes according to the length of the scale, and automatically calculating the accurate value of the distance between the two end points to be measured of the target to be measured by a system;
the method for automatically calculating the accurate value of the distance between the two end points to be measured of the target to be measured by the system comprises the following steps:
identifying two end points to be measured of the target to be measured and the gray level of a surrounding image;
determining the accurate positions of the two end points according to the difference of the gray levels;
calculating an accurate value of the distance between the two end points according to the accurate positions of the two end points;
the length of the naked eye of the scale is synchronously adjusted according to the ultrasonic depth and the ultrasonic image magnification ratio;
the scale is provided with a mark of the unit length;
a rocker type or track ball type function key is adopted to move the scale;
the method further comprises the following steps: and displaying the precise value of the distance between the two end points on an ultrasonic screen.
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| CN201710076710.6A CN106859697B (en) | 2017-02-13 | 2017-02-13 | Method for measuring distance by ultrasonic diagnostic apparatus |
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| CN201710076710.6A CN106859697B (en) | 2017-02-13 | 2017-02-13 | Method for measuring distance by ultrasonic diagnostic apparatus |
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| CN106859697B true CN106859697B (en) | 2020-10-20 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08299341A (en) * | 1995-05-08 | 1996-11-19 | Aloka Co Ltd | Ultrasonic volume calculation device |
| CN102151149A (en) * | 2010-12-24 | 2011-08-17 | 深圳市理邦精密仪器股份有限公司 | Method and system for automatically measuring ultrasound image of fetus |
| CN102761700A (en) * | 2011-04-29 | 2012-10-31 | 国际商业机器公司 | Shooting device and method for obtaining distance between different points on shot object |
| CN103505218A (en) * | 2013-10-10 | 2014-01-15 | 南京普派医疗科技有限公司 | Method for measuring focus tissue size through endoscope |
| CN103791841A (en) * | 2012-11-02 | 2014-05-14 | 深圳市亚美斯达科技有限公司 | Magnification measurement method for handheld electronic terminal with imagery function |
| CN105376355A (en) * | 2014-08-07 | 2016-03-02 | Lg电子株式会社 | Mobile terminal having smart measuring tape and length measuring method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150310586A1 (en) * | 2012-12-10 | 2015-10-29 | Koninklijke Philips N.V. | Digital Ruler and Reticule for Renal Denervation |
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2017
- 2017-02-13 CN CN201710076710.6A patent/CN106859697B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08299341A (en) * | 1995-05-08 | 1996-11-19 | Aloka Co Ltd | Ultrasonic volume calculation device |
| CN102151149A (en) * | 2010-12-24 | 2011-08-17 | 深圳市理邦精密仪器股份有限公司 | Method and system for automatically measuring ultrasound image of fetus |
| CN102761700A (en) * | 2011-04-29 | 2012-10-31 | 国际商业机器公司 | Shooting device and method for obtaining distance between different points on shot object |
| CN103791841A (en) * | 2012-11-02 | 2014-05-14 | 深圳市亚美斯达科技有限公司 | Magnification measurement method for handheld electronic terminal with imagery function |
| CN103505218A (en) * | 2013-10-10 | 2014-01-15 | 南京普派医疗科技有限公司 | Method for measuring focus tissue size through endoscope |
| CN105376355A (en) * | 2014-08-07 | 2016-03-02 | Lg电子株式会社 | Mobile terminal having smart measuring tape and length measuring method thereof |
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