CN111048168A - Doppler ultrasonic diagnosis quality tracing system - Google Patents
Doppler ultrasonic diagnosis quality tracing system Download PDFInfo
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- CN111048168A CN111048168A CN201911167327.7A CN201911167327A CN111048168A CN 111048168 A CN111048168 A CN 111048168A CN 201911167327 A CN201911167327 A CN 201911167327A CN 111048168 A CN111048168 A CN 111048168A
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- 238000003745 diagnosis Methods 0.000 title claims abstract description 30
- 238000001228 spectrum Methods 0.000 claims abstract description 10
- 238000004458 analytical method Methods 0.000 claims description 26
- 238000005070 sampling Methods 0.000 claims description 20
- 230000003595 spectral effect Effects 0.000 claims description 10
- 238000002604 ultrasonography Methods 0.000 claims description 10
- 238000003702 image correction Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 238000013500 data storage Methods 0.000 claims description 5
- 230000010354 integration Effects 0.000 claims description 5
- 238000002592 echocardiography Methods 0.000 claims description 4
- 238000002405 diagnostic procedure Methods 0.000 claims description 3
- 238000003384 imaging method Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 3
- 239000000523 sample Substances 0.000 description 12
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H10/00—ICT specially adapted for the handling or processing of patient-related medical or healthcare data
- G16H10/60—ICT specially adapted for the handling or processing of patient-related medical or healthcare data for patient-specific data, e.g. for electronic patient records
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H30/00—ICT specially adapted for the handling or processing of medical images
- G16H30/20—ICT specially adapted for the handling or processing of medical images for handling medical images, e.g. DICOM, HL7 or PACS
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H30/00—ICT specially adapted for the handling or processing of medical images
- G16H30/40—ICT specially adapted for the handling or processing of medical images for processing medical images, e.g. editing
Abstract
The invention relates to Doppler ultrasonic diagnosis, in particular to a Doppler ultrasonic diagnosis quality tracing system, which comprises a controller and a waveform image generating unit, wherein the waveform image generating unit is used for generating a Doppler waveform image, comprises a waveform image generating module and a waveform image correcting unit, the waveform image generating module generates a corresponding waveform image according to a frequency spectrum result, and the waveform image correcting unit is used for correcting the waveform image generated by the waveform image generating module; the technical scheme provided by the invention can effectively overcome the defects of insufficient imaging accuracy and incapability of tracing the diagnosis process in the prior art.
Description
Technical Field
The invention relates to Doppler ultrasonic diagnosis, in particular to a Doppler ultrasonic diagnosis quality tracing system.
Background
The medical ultrasonic imaging diagnostic equipment obtains the ultrasonic characteristic information of human tissues and organ structures by using the transmission of ultrasonic waves in a human body. The current ultrasonic imaging diagnostic equipment usually adopts a multi-array element probe, high-voltage pulse waves are loaded on each array element probe, and array elements are excited to generate high-frequency ultrasonic waves so as to form transmitting beams to enter a human body. The probes of each array element receive the scattered or reflected echo of the human tissue structure to form a receiving beam, and the ultrasonic diagnosis system extracts the information in the ultrasonic echo to form various imaging.
Pulse wave spectral Doppler imaging (PW imaging for short) transmits ultrasonic pulse signals at fixed time intervals through an ultrasonic front end to enter human target tissues, Doppler frequency shift information of the ultrasonic pulse signals is detected, the frequency spectrum of the ultrasonic pulse signals is acquired in real time, and a Doppler frequency spectrogram containing information related to motion of the human tissues or blood flow is finally displayed.
However, the imaging of the existing doppler ultrasound imaging diagnosis system has certain errors, is not accurate enough, cannot record the current diagnosis process, cannot trace back the patient during the patient re-diagnosis, and is inconvenient for a doctor to quickly and effectively master the patient's condition.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects in the prior art, the invention provides the Doppler ultrasonic diagnosis quality tracing system, which can effectively overcome the defects of inaccurate imaging and incapability of tracing the diagnosis process in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
the Doppler ultrasonic diagnosis quality tracing system comprises a controller and a waveform image generating unit for generating a Doppler waveform image, wherein the waveform image generating unit comprises a waveform image generating module for generating a corresponding waveform image according to a frequency spectrum result, and a waveform image correcting unit for correcting the waveform image generated by the waveform image generating module;
the diagnostic device comprises a waveform image generation module, a video acquisition module and an audio acquisition module, wherein the waveform image generation module is used for generating a waveform image and a diagnostic picture, the video acquisition module is used for acquiring a dialog in a diagnostic process, the video acquisition module and the audio acquisition module are connected with a data coding module used for coding data, the controller is connected with a data storage module used for storing the data coded by the data coding module, and the controller is connected with a data uploading module used for uploading the data coded by the data coding module.
Preferably, the waveform image generating unit further includes an ultrasonic beam transmitter connected to the controller, a high-frequency data receiving module for receiving high-frequency data generated by ultrasonic echoes emitted by the ultrasonic beam transmitter, a complex data generating module connected to the controller for receiving the high-frequency data and generating complex data, and a first frequency analyzing module and a second frequency analyzing module connected to the controller for performing spectrum result analysis on the complex data by using a first frequency and a second frequency, respectively.
Preferably, the first frequency analysis module performs frequency analysis on the complex data from a first starting point by using a first frequency, and the second frequency analysis module performs frequency analysis on the complex data from a second starting point.
Preferably, the second frequency analysis module performs frequency analysis on at least one set of complex data of a predetermined number of sample points from the second starting point.
Preferably, the second starting point comprises a sample point that is earlier in time by a prescribed number than the first starting point, and a sample point that is later in time by a prescribed number than the first starting point.
Preferably, the waveform image correction unit includes a frequency shift information acquisition module connected to the waveform image generation module and configured to acquire a frequency shift change of the waveform image, a frequency shift information determination module connected to the frequency shift information acquisition module and configured to determine whether the frequency shift change exceeds a threshold, a sampling point determination module connected to the controller and configured to determine a central point and a central area where the frequency shift change exceeds the threshold on the original waveform image according to a determination result of the frequency shift information determination module, a sampling area determination module, and a waveform image integration module connected to the waveform image generation module and configured to integrate the secondarily generated waveform image with the original waveform image.
Preferably, when the frequency shift information determining module determines that the frequency shift change exceeds the threshold, the controller drives the ultrasonic beam emitter to emit an ultrasonic beam according to the determination results of the sampling point determining module and the sampling region determining module, and regenerates the waveform image of which the frequency shift change exceeds the threshold.
Preferably, the frequency shift information determining module compares the characteristic values of the latest N doppler spectral lines with the characteristic values of the previous N doppler spectral lines, and uses the compared difference as the doppler shift change.
Preferably, the characteristic value is a function of the power or velocity values of N doppler lines, N being a positive integer.
Preferably, the data uploading module uploads the data encoded by the data encoding module to the medical diagnostic machine through a wireless communication module.
(III) advantageous effects
Compared with the prior art, the Doppler ultrasonic diagnosis quality tracing system provided by the invention has the following beneficial effects:
1. the frequency shift information acquisition module acquires frequency shift change of a waveform image generated by the waveform image generation module, the frequency shift information judgment module judges whether the frequency shift change exceeds a threshold value, the sampling point judgment module and the sampling region judgment module respectively determine a central point and a central region of the original waveform image, in which the frequency shift change exceeds the threshold value, according to the judgment result of the frequency shift information judgment module, and the waveform image integration module integrates a secondarily generated waveform image with the original waveform image, so that a region with large frequency shift change can be found out on the original waveform image, and a waveform image newly generated by the part is integrated with the original waveform image, thereby effectively improving the imaging accuracy;
2. the video acquisition module acquires waveform images and diagnosis pictures generated by the waveform image generation module, the audio acquisition module acquires a dialogue in a diagnosis process, the data coding module codes the video acquisition module, the data acquired by the audio acquisition module, the data storage module stores the data coded by the data coding module, the data uploading module uploads the data coded by the data coding module to the medical diagnosis machine through the wireless communication module, and therefore the medical diagnosis machine not only is convenient for doctors to perform current rapid diagnosis, but also can record the current diagnosis process, and can perform effective tracing when patients are subjected to re-diagnosis, and the doctors can conveniently and effectively master the conditions of the patients.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic diagram of the system of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The doppler ultrasound diagnostic quality tracing system, as shown in fig. 1, includes a controller, and a waveform image generating unit for generating a doppler waveform image, the waveform image generating unit includes a waveform image generating module for generating a corresponding waveform image according to a spectrum result, and also includes a waveform image correcting unit for correcting the waveform image generated by the waveform image generating module;
the diagnostic device also comprises a video acquisition module for acquiring the waveform image and the diagnostic picture generated by the waveform image generation module and an audio acquisition module for acquiring dialogue in the diagnostic process, wherein the video acquisition module and the audio acquisition module are connected with a data coding module for data coding, the controller is connected with a data storage module for storing data coded by the data coding module, and the controller is connected with a data uploading module for uploading data coded by the data coding module.
The waveform image generating unit further comprises an ultrasonic beam emitter connected with the controller, a high-frequency data receiving module used for receiving high-frequency data generated by ultrasonic echoes emitted by the ultrasonic beam emitter, a complex data generating module connected with the controller and used for receiving the high-frequency data and generating complex data, and a first frequency analyzing module and a second frequency analyzing module which are connected with the controller and respectively use the first frequency and the second frequency to analyze the frequency spectrum result of the complex data.
The first frequency analysis module performs frequency analysis on the complex data from a first starting point by using a first frequency, and the second frequency analysis module performs frequency analysis on the complex data from a second starting point.
The second frequency analysis module performs frequency analysis on at least one group of complex data with a preset number of sample points from a second starting point.
The second starting point includes a sample point that is earlier in time by a prescribed number than the first starting point, and a sample point that is later in time by a prescribed number than the first starting point.
The waveform image correction unit comprises a frequency shift information acquisition module connected with the waveform image generation module and used for acquiring frequency shift change of the waveform image, a frequency shift information judgment module connected with the frequency shift information acquisition module and used for judging whether the frequency shift change exceeds a threshold value, a sampling point judgment module and a sampling area judgment module which are connected with the controller and used for determining a central point and a central area where the frequency shift change on the original waveform image exceeds the threshold value according to the judgment result of the frequency shift information judgment module, and a waveform image integration module connected with the waveform image generation module and used for integrating a secondarily generated waveform image with the original waveform image.
When the frequency shift information judgment module judges that the frequency shift change exceeds the threshold value, the controller drives the ultrasonic beam emitter to emit ultrasonic beams according to the judgment results of the sampling point judgment module and the sampling region judgment module, and waveform images with the frequency shift change exceeding the threshold value region are regenerated.
And the frequency shift information judgment module compares the characteristic values of the latest N Doppler spectral lines with the characteristic values of the previous N Doppler spectral lines, and takes the compared difference value as the Doppler frequency shift change.
The characteristic value is a function of the power or velocity values of the N doppler lines, N being a positive integer.
The data uploading module uploads the data coded by the data coding module to the medical diagnostic machine through the wireless communication module.
The high-frequency data receiving module receives high-frequency data generated by ultrasonic echoes emitted by the ultrasonic beam emitter, the complex data generating module receives the high-frequency data and generates complex data, the first frequency analyzing module and the second frequency analyzing module respectively utilize the first frequency and the second frequency to carry out spectrum result analysis on the complex data, and the waveform image generating module generates a corresponding waveform image according to the spectrum result.
The first frequency analysis module performs frequency analysis on the complex data from a first starting point by using a first frequency, and the second frequency analysis module performs frequency analysis on the complex data from a second starting point.
The second frequency analysis module performs frequency analysis on at least one group of complex data with a preset number of sample points from a second starting point. The second starting point includes a sample point that is earlier in time by a prescribed number than the first starting point, and a sample point that is later in time by a prescribed number than the first starting point.
The frequency shift information acquisition module acquires frequency shift change of a waveform image generated by the waveform image generation module, the frequency shift information judgment module judges whether the frequency shift change exceeds a threshold value, the sampling point judgment module and the sampling region judgment module respectively determine a central point and a central region of the original waveform image, in which the frequency shift change exceeds the threshold value, according to the judgment result of the frequency shift information judgment module, and the waveform image integration module integrates a secondarily generated waveform image with the original waveform image, so that a region with large frequency shift change can be found out on the original waveform image, and a waveform image newly generated by the secondary generation module is integrated with the original waveform image, thereby effectively improving the imaging accuracy.
When the frequency shift information judgment module judges that the frequency shift change exceeds the threshold value, the controller drives the ultrasonic beam emitter to emit ultrasonic beams according to the judgment results of the sampling point judgment module and the sampling region judgment module, and waveform images with the frequency shift change exceeding the threshold value region are regenerated.
And the frequency shift information judgment module compares the characteristic values of the latest N Doppler spectral lines with the characteristic values of the previous N Doppler spectral lines, and takes the compared difference value as the Doppler frequency shift change. The characteristic value is a function of the power or velocity values of the N doppler lines, N being a positive integer.
The video acquisition module acquires waveform images and diagnosis pictures generated by the waveform image generation module, the audio acquisition module acquires a dialogue in a diagnosis process, the data coding module codes the video acquisition module, the data acquired by the audio acquisition module, the data storage module stores the data coded by the data coding module, the data uploading module uploads the data coded by the data coding module to the medical diagnosis machine through the wireless communication module, and therefore the medical diagnosis machine not only is convenient for doctors to perform current rapid diagnosis, but also can record the current diagnosis process, and can perform effective tracing when patients are subjected to re-diagnosis, and the doctors can conveniently and effectively master the conditions of the patients.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (10)
1. Doppler ultrasonic diagnosis quality tracing system, its characterized in that: the Doppler waveform image correction device comprises a controller, a waveform image generation unit and a waveform image correction unit, wherein the waveform image generation unit is used for generating a Doppler waveform image, comprises a waveform image generation module for generating a corresponding waveform image according to a frequency spectrum result, and further comprises a waveform image correction unit for correcting the waveform image generated by the waveform image generation module;
the diagnostic device comprises a waveform image generation module, a video acquisition module and an audio acquisition module, wherein the waveform image generation module is used for generating a waveform image and a diagnostic picture, the video acquisition module is used for acquiring a dialog in a diagnostic process, the video acquisition module and the audio acquisition module are connected with a data coding module used for coding data, the controller is connected with a data storage module used for storing the data coded by the data coding module, and the controller is connected with a data uploading module used for uploading the data coded by the data coding module.
2. The doppler ultrasound diagnostic quality traceability system of claim 1, wherein: the waveform image generating unit further comprises an ultrasonic beam emitter connected with the controller, a high-frequency data receiving module used for receiving high-frequency data generated by ultrasonic echoes emitted by the ultrasonic beam emitter, a complex data generating module connected with the controller and used for receiving the high-frequency data and generating complex data, and a first frequency analyzing module and a second frequency analyzing module which are connected with the controller and respectively utilize a first frequency and a second frequency to analyze the frequency spectrum result of the complex data.
3. The doppler ultrasound diagnostic quality traceability system of claim 2, wherein: the first frequency analysis module performs frequency analysis on the complex data from a first starting point by using a first frequency, and the second frequency analysis module performs frequency analysis on the complex data from a second starting point.
4. The doppler ultrasound diagnostic quality traceability system of claim 3, wherein: the second frequency analysis module performs frequency analysis on at least one group of complex data of a preset number of sample points from the second starting point.
5. The doppler ultrasound diagnostic quality traceability system of claim 3, wherein: the second starting point includes a sample point that is earlier in time by a prescribed number than the first starting point, and a sample point that is later in time by a prescribed number than the first starting point.
6. The doppler ultrasound diagnostic quality traceability system of claim 1, wherein: the waveform image correction unit comprises a frequency shift information acquisition module, a frequency shift information judgment module, a sampling point judgment module and a sampling area judgment module, wherein the frequency shift information acquisition module is connected with the waveform image generation module and used for acquiring frequency shift change of a waveform image, the frequency shift information judgment module is connected with the frequency shift information acquisition module and used for judging whether the frequency shift change exceeds a threshold value, the sampling point judgment module and the sampling area judgment module are connected with the controller and used for determining a central point and a central area of the original waveform image, which are over the threshold value, according to the judgment result of the frequency shift information judgment module, and the waveform image integration module is connected with the waveform image generation module and used for integrating a waveform image generated secondarily with the original waveform.
7. The doppler ultrasound diagnostic quality traceability system of claim 6, wherein: when the frequency shift information judging module judges that the frequency shift change exceeds the threshold value, the controller drives the ultrasonic beam emitter to emit ultrasonic beams according to the judgment results of the sampling point judging module and the sampling area judging module, and waveform images with the frequency shift change exceeding the threshold value area are regenerated.
8. The doppler ultrasound diagnostic quality traceability system of claim 6, wherein: and the frequency shift information judgment module compares the characteristic values of the latest N Doppler spectral lines with the characteristic values of the previous N Doppler spectral lines, and takes the compared difference value as the Doppler frequency shift change.
9. The doppler ultrasound diagnostic quality traceability system of claim 8, wherein: the characteristic value is a function of the power or velocity values of the N doppler spectral lines, N being a positive integer.
10. The doppler ultrasound diagnostic quality traceability system of claim 1, wherein: and the data uploading module uploads the data coded by the data coding module to the medical diagnostic machine through a wireless communication module.
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| JPH0775639A (en) * | 1993-09-08 | 1995-03-20 | Toshiba Corp | Ultrasonic diagnostic device |
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Application publication date: 20200421 |