CN113075666A - Portable ultrasonic imaging system and method - Google Patents
Portable ultrasonic imaging system and method Download PDFInfo
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- CN113075666A CN113075666A CN202110329936.9A CN202110329936A CN113075666A CN 113075666 A CN113075666 A CN 113075666A CN 202110329936 A CN202110329936 A CN 202110329936A CN 113075666 A CN113075666 A CN 113075666A
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- 238000003384 imaging method Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000000523 sample Substances 0.000 claims abstract description 18
- 230000000087 stabilizing effect Effects 0.000 claims description 20
- 230000003321 amplification Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000002592 echocardiography Methods 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims 2
- 238000011105 stabilization Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 238000012631 diagnostic technique Methods 0.000 description 2
- 238000012285 ultrasound imaging Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
- G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
Abstract
The invention discloses a portable ultrasonic imaging system and a method, relates to the technical field of medical ultrasonic imaging, and particularly relates to the technical field of portable ultrasonic imaging systems and methods. The system comprises: the device comprises an ultrasonic probe, a direct current voltage-stabilizing converter, a pulse generation controller, a variable gain amplifier, an envelope detector, a precise unbiased amplifier, an analog-to-digital converter, a digital image processor, a microcontroller, an LED display screen, a power supply, a power switch, a device shell, a shell baffle, a device bottom plate, a device panel, a grid sponge, a supporting base, a screen reserved area and a switch reserved area. The direct-current voltage-stabilizing converter and the pulse generation controller jointly form a high-voltage pulse generation device, and the variable gain amplifier, the envelope detector and the precise unbiased amplifier jointly form an analog processing device. The invention has the characteristics of convenient carrying, convenient use, good real-time performance and the like.
Description
Technical Field
The invention relates to the technical field of medical ultrasonic imaging, in particular to the technical field of a portable ultrasonic imaging system and a method.
Background
The ultrasonic diagnostic technique is an image diagnostic technique for detecting internal tissues of a human body by utilizing ultrasonic waves, has the advantages of high resolution, good real-time performance, non-invasiveness and the like, and is widely applied to clinical image diagnosis. With the development of ultrasonic image diagnostic technology and the improvement of performance requirements of people, the development trend of ultrasonic imaging systems is higher and higher safety and stronger functions, and meanwhile, with the improvement of living standard, the requirements of people on a noninvasive and portable medical system for ultrasonic imaging based on ultrasonic equipment are gradually improved.
Disclosure of Invention
The invention aims to provide a safe and portable ultrasonic imaging system which has the characteristics of small volume, easy carrying, convenient use, good real-time property, high integration level and the like;
to achieve the above object, the present invention provides a portable ultrasound imaging system and method, the system comprising: the device comprises an ultrasonic probe, a direct-current voltage-stabilizing converter, a pulse generation controller, a variable gain amplifier, an envelope detector, a precise unbiased amplifier, an analog-to-digital converter, a digital image processor, a microcontroller, an LED display screen, a power supply, a power switch, a device shell, a shell baffle, a device bottom plate, a device panel, a grid sponge, a supporting base, a screen reserved area and a switch reserved area;
the inside of the device shell is divided into a left part and a right part by a shell baffle, a device bottom plate is bonded and fixed at the bottom of the left half part in the device shell, and screw holes are reserved at four corners of the device bottom plate; the power supply is fixed on the rightmost side of the bottom plate of the device, the pulse generation controller is fixed on the left side of the power supply, the direct current voltage stabilizing converter is fixed on the left side of the pulse generation controller, the microcontroller is fixed below the pulse generation controller, the digital image processor is fixed on the left side of the microcontroller, the supporting base is fixed on the left sides of the direct current voltage stabilizing converter and the digital image processor, the LED display screen is arranged above the supporting base, the power switch is arranged on the upper left corner of the LED display screen, the variable gain amplifier is fixed on the left side of the supporting base, the analog-to-digital converter is fixed on the left side of the supporting base, the envelope detector is fixed on the left side of the variable gain amplifier, the precise unbiased amplifier is fixed below the envelope detector, screw holes are reserved at four corners of a device panel and are installed above a device bottom plate, the device panel is connected with the device bottom plate through lengthened nuts, and a screen reserved area and a switch reserved area are reserved on the device panel; the grid sponge is bonded and fixed at the bottom of the right half part in the shell of the device, a groove for placing an ultrasonic probe is reserved on the grid sponge, and a threading hole is reserved at one corner of a baffle of the shell;
the shell of the device is similar to a portable suitcase, the grid sponge is provided with a groove for placing the ultrasonic probe, one corner of the shell baffle is provided with a threading hole, a data line of the ultrasonic probe can be connected with the pulse generation controller through the threading hole, the LED display screen can display through a screen reserved area on the panel of the device, and the power switch can be controlled through the switch reserved area on the panel of the device;
the power supply supplies power to the direct current voltage stabilizing converter, the microcontroller and the LED display screen respectively, the microcontroller performs data transmission with the direct current voltage stabilizing converter and the digital image processor respectively, the pulse generation controller is connected with the ultrasonic probe, the variable gain amplifier is connected with the envelope detector, the envelope detector is connected with the precise unbiased amplifier, and the precise unbiased amplifier is connected with the analog-to-digital converter;
furthermore, the direct current voltage stabilizing converter and the pulse generation controller jointly form a high-voltage pulse generation device, the direct current voltage stabilizing converter generates a high-voltage power supply, and the pulse generation controller generates a specific high-voltage pulse signal; the variable gain amplifier is used for compensating signal attenuation for a high-voltage pulse signal returned from the ultrasonic probe, the envelope detector is used for extracting a target signal from the compensated signal and transmitting the target signal to the analog-to-digital converter, the analog-to-digital converter is used for transmitting the processed digital signal to the digital image processor, and finally the digital image processor is used for displaying the processed ultrasonic image on the LED display screen.
Further, the work flow of the system is as follows:
step one, a microcontroller controls a direct current voltage stabilizing converter to generate a high-voltage power supply;
transmitting a high-voltage power supply generated by the direct-current voltage stabilizing converter to a pulse control generator to generate a pulse level and a duration which are accurately controlled;
step three, the ultrasonic probe emits high-voltage pulses generated by the pulse control generator, and transmits echoes to the variable gain amplifier for amplification;
step four, sending the amplified signal to an envelope detector to extract an envelope signal;
step five, the extracted envelope signal is transmitted to a precise unbiased amplifier to compensate signal attenuation;
step six, the compensated signals are transmitted to an analog-to-digital converter, and the analog signals are converted into digital signals;
step seven, transmitting the digital signals to a digital image processor, processing the digital signals to generate two-dimensional ultrasonic images, and displaying the two-dimensional ultrasonic images through an LED display screen;
the invention has the following beneficial effects:
the ultrasonic imaging system provided by the invention utilizes the portable ultrasonic equipment to carry out ultrasonic image imaging to replace the traditional desktop medical image imaging, has the characteristics of convenience in carrying, convenience in use, good real-time property and the like, and is suitable for large-scale popularization and use;
on the other hand, the ultrasonic imaging system provided by the invention meets the objective requirements of large ultrasonic image processing data volume and high frame rate requirement, and can assist doctors to make correct judgment to a certain extent; meanwhile, the system is simple in structure, meets the use requirements of a household user on the ultrasonic imaging system, and can provide some reference detection results for the user.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the system of the present invention
FIG. 2 is a schematic diagram of the external structure of the system of the present invention
FIG. 3 is a schematic diagram of the internal structure of the system of the present invention
FIG. 4 is a flow chart of the method of operation of the present invention
In the figure: the device comprises an ultrasonic probe 1, a direct current voltage stabilizing converter 2, a pulse generation controller 3, a variable gain amplifier 4, an envelope detector 5, a precise unbiased amplifier 6, an analog-to-digital converter 7, a digital image processor 8, a microcontroller 9, an LED display screen 10, a power supply 11, a power supply switch 12, a device shell 13, a shell baffle 14, a device bottom plate 15, a device panel 16, a grid sponge 17, a supporting base 18, a screen reserved area 19 and a switch reserved area 20.
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 and examples.
Referring to fig. 1, the present embodiment provides a portable ultrasound imaging system and a method thereof, where the system includes: the device comprises an ultrasonic probe 1, a direct current voltage stabilizing converter 2, a pulse generation controller 3, a variable gain amplifier 4, an envelope detector 5, a precise unbiased amplifier 6, an analog-to-digital converter 7, a digital image processor 8, a microcontroller 9, an LED display screen 10, a power supply 11, a power supply switch 12, a device shell 13, a shell baffle 14, a device bottom plate 15, a device panel 16, a grid sponge 17, a supporting base 18, a screen reserved area 19 and a switch reserved area 20;
in the portable ultrasonic imaging system and method of the embodiment, the inside of the device shell 13 is divided into a left part and a right part by the shell baffle 14, the device bottom plate 15 is bonded and fixed at the bottom of the left part 15 in the device shell 13, and screw holes are reserved at four corners of the device bottom plate 15; the power supply 11 is fixed on the rightmost side of the device bottom plate 15, the pulse generation controller 3 is fixed on the left side of the power supply 11, the direct current voltage stabilizing converter 2 is fixed on the left side of the pulse generation controller 3, the microcontroller 9 is fixed below the pulse generation controller 3, the digital image processor 8 is fixed on the left side of the microcontroller 9, the supporting base 19 is fixed on the left sides of the direct current voltage stabilizing converter 2 and the digital image processor 8, the LED display screen 10 is installed above the supporting base 19, the power switch 12 is installed on the upper left corner of the LED display screen 10, the variable gain amplifier 4 is fixed on the left side of the supporting base 19, the analog-to-digital converter 7 is fixed on the left side of the supporting base 19, the envelope detector 5 is fixed on the left side of the variable gain amplifier 4, the precise unbiased amplifier 6 is fixed below the envelope detector 5, screw holes are reserved, a screen reserved area 20 and a switch reserved area 21 are reserved on the device panel 16; the grid sponge 18 is fixed at the bottom of the right half part in the device shell 13 in an adhering way, a groove for placing the ultrasonic probe 1 is reserved on the grid sponge 18, and a threading hole is reserved at one corner of the shell baffle 14;
in the portable ultrasonic imaging system and method of the embodiment, the power supply 11 supplies power to the direct current voltage stabilizing converter 2, the microcontroller 9 and the LED display screen 10 respectively, the microcontroller 9 performs data transmission with the direct current voltage stabilizing converter 2 and the digital image processor 8 respectively, the pulse generation controller 3 is connected with the ultrasonic probe 1, the variable gain amplifier 4 is connected with the envelope detector 5, the envelope detector 5 is connected with the precise unbiased amplifier 6, and the precise unbiased amplifier 6 is connected with the analog-to-digital converter 7;
the system workflow of the portable ultrasonic imaging system and method of the embodiment is as follows:
step one, a microcontroller 9 controls a direct current voltage stabilizing converter 2 to generate a high-voltage power supply;
step two, transmitting the high-voltage power supply generated by the direct-current voltage-stabilizing converter 2 to the pulse control generator 3 to generate the pulse level and the duration time which are accurately controlled;
step three, the ultrasonic probe 1 emits high-voltage pulses generated by the pulse control generator 3 and transmits echoes to the variable gain amplifier 4 for amplification;
step four, sending the amplified signal to an envelope detector 5 to extract an envelope signal;
step five, the extracted envelope signal is transmitted to a precise unbiased amplifier 6 to compensate the signal attenuation;
step six, the compensated signals are transmitted to an analog-to-digital converter 7, and the analog signals are converted into digital signals;
step seven, transmitting the digital signals to a digital image processor 8, processing the digital signals to generate two-dimensional ultrasonic images, and displaying the two-dimensional ultrasonic images through an LED display screen 10;
the direct current voltage stabilizing converter 2 and the pulse generation controller 3 jointly form a high-voltage pulse generating device, the direct current voltage stabilizing converter 2 generates a high-voltage power supply, and the pulse generation controller 3 generates a specific high-voltage pulse signal; the variable gain amplifier 4, the envelope detector 5 and the precise unbiased amplifier 6 jointly form an analog processing device, the variable gain amplifier 4 performs compensation signal attenuation on a received high-voltage pulse signal returned by the ultrasonic probe 1, the envelope detector 5 extracts a target signal from the compensated signal and transmits the target signal to the analog-to-digital converter 7, the analog-to-digital converter 7 transmits a processed digital signal to the digital image processor 8, and finally the digital image processor 8 displays the processed ultrasonic image on the LED display screen 10.
It should be noted that the above is only a specific embodiment of the present invention, and the scope of the present invention cannot be limited by this, and in the above embodiments, as long as the technical solutions can be arranged and combined, a person skilled in the art can exhaust all possibilities according to the mathematical knowledge of the arrangement and combination, therefore, the present invention does not describe the arranged technical solutions one by one, but it should be understood that the arranged technical solutions have been disclosed by the present invention.
Claims (3)
1. A portable ultrasonic imaging system and method, characterized in that the system comprises: the device comprises an ultrasonic probe (1), a direct-current voltage-stabilizing converter (2), a pulse generation controller (3), a variable gain amplifier (4), an envelope detector (5), a precise unbiased amplifier (6), an analog-to-digital converter (7), a digital image processor (8), a microcontroller (9), an LED display screen (10), a power supply (11), a power switch (12), a device shell (13), a shell baffle (14), a device bottom plate (15), a device panel (16), a grid sponge (17), a supporting base (18), a screen reserved area (19) and a switch reserved area (20);
the device is characterized in that the interior of the device shell (13) is divided into a left part and a right part by a shell baffle (14), a device bottom plate (15) is fixedly bonded to the bottom of the left half part in the device shell (13), and screw holes are reserved at four corners of the device bottom plate (15); the power supply (11) is fixed on the rightmost side of a device bottom plate (15), the pulse generation controller (3) is fixed on the left side of the power supply (11), the direct-current voltage stabilization converter (2) is fixed on the left side of the pulse generation controller (3), the microcontroller (9) is fixed below the pulse generation controller (3), the digital image processor (8) is fixed on the left side of the microcontroller (9), the supporting base (19) is fixed on the left sides of the direct-current voltage stabilization converter (2) and the digital image processor (8), the LED display screen (10) is installed above the supporting base (19), the power supply switch (12) is installed at the upper left corner of the LED display screen (10), the variable gain amplifier (4) is fixed on the left side of the supporting base (19), the analog-to-digital converter (7) is fixed on the left side of the supporting base (19), the envelope detector (5) is fixed on the left, the precise unbiased amplifier (6) is fixed below the envelope detector (5), screw holes are reserved at four corners of the device panel (16) and are arranged above the device bottom plate (15), the device panel (16) is connected with the device bottom plate (15) through lengthened nuts, and a screen reserved area (20) and a switch reserved area (21) are reserved on the device panel (16); the mesh sponge (18) is fixed at the bottom of the right half part in the device shell (13) in an adhering mode, a groove for placing the ultrasonic probe (1) is reserved in the mesh sponge (18), and a threading hole is reserved in one corner of the shell baffle (14).
2. A portable ultrasonic imaging system and a method are characterized in that a power supply (11) supplies power to a direct current voltage stabilizing converter (2), a microcontroller (9) and an LED display screen (10) respectively, the microcontroller (9) performs data transmission with the direct current voltage stabilizing converter (2) and a digital image processor (8) respectively, a pulse generation controller (3) is connected with an ultrasonic probe (1), a variable gain amplifier (4) is connected with an envelope detector (5), the envelope detector (5) is connected with a precise unbiased amplifier (6), and the precise unbiased amplifier (6) is connected with an analog-to-digital converter (7).
3. A portable ultrasonic imaging system and method are characterized in that the system has the following working procedures:
step one, a microcontroller (9) controls a direct current voltage stabilizing converter (2) to generate a high-voltage power supply;
step two, transmitting a high-voltage power supply generated by the direct-current voltage-stabilizing converter (2) to a pulse control generator (3) to generate a pulse level and a duration which are accurately controlled;
step three, the ultrasonic probe (1) emits high-voltage pulses generated by the pulse control generator (3), and transmits echoes to the variable gain amplifier (4) for amplification;
step four, sending the amplified signal to an envelope detector (5) to extract an envelope signal;
step five, the extracted envelope signal is transmitted to a precise unbiased amplifier (6) to compensate signal attenuation;
step six, the compensated signals are transmitted to an analog-to-digital converter (7), and the analog signals are converted into digital signals;
and step seven, transmitting the digital signals to a digital image processor (8), processing the digital signals to generate two-dimensional ultrasonic images, and displaying the two-dimensional ultrasonic images through an LED display screen (10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110329936.9A CN113075666A (en) | 2021-03-26 | 2021-03-26 | Portable ultrasonic imaging system and method |
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| CN202110329936.9A CN113075666A (en) | 2021-03-26 | 2021-03-26 | Portable ultrasonic imaging system and method |
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| CN113075666A true CN113075666A (en) | 2021-07-06 |
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Citations (7)
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|---|---|---|---|---|
| CN2170735Y (en) * | 1993-05-29 | 1994-07-06 | 清华大学 | High resolving power, low dose, potable B ultrasonic image display instrument |
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| CN104546005A (en) * | 2015-01-28 | 2015-04-29 | 声泰特（成都）科技有限公司 | Ultrasonic nonlinear imaging method and ultrasonic nonlinear imaging system |
| US20160317123A1 (en) * | 2013-04-08 | 2016-11-03 | Universidad De Chile | Manual, portable ultrasonography device, with centralized control and processing in the hardware and with display outputs, which operates in real time with a high image refresh rate |
| CN107106124A (en) * | 2014-11-18 | 2017-08-29 | C·R·巴德公司 | The ultrasonic image-forming system presented with automated graphics |
| CN112050906A (en) * | 2020-09-27 | 2020-12-08 | 上海荣汉自动化仪表有限公司 | Device and method for detecting fire-fighting agent amount based on time domain and V-shaped coupling |
-
2021
- 2021-03-26 CN CN202110329936.9A patent/CN113075666A/en active Pending
Patent Citations (7)
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|---|---|---|---|---|
| CN2170735Y (en) * | 1993-05-29 | 1994-07-06 | 清华大学 | High resolving power, low dose, potable B ultrasonic image display instrument |
| CN1189217A (en) * | 1995-06-29 | 1998-07-29 | 垓技术公司 | Portable ultrasound imaging system |
| CN1636151A (en) * | 2002-02-20 | 2005-07-06 | 皇家飞利浦电子股份有限公司 | Portable 3D ultrasound system |
| US20160317123A1 (en) * | 2013-04-08 | 2016-11-03 | Universidad De Chile | Manual, portable ultrasonography device, with centralized control and processing in the hardware and with display outputs, which operates in real time with a high image refresh rate |
| CN107106124A (en) * | 2014-11-18 | 2017-08-29 | C·R·巴德公司 | The ultrasonic image-forming system presented with automated graphics |
| CN104546005A (en) * | 2015-01-28 | 2015-04-29 | 声泰特（成都）科技有限公司 | Ultrasonic nonlinear imaging method and ultrasonic nonlinear imaging system |
| CN112050906A (en) * | 2020-09-27 | 2020-12-08 | 上海荣汉自动化仪表有限公司 | Device and method for detecting fire-fighting agent amount based on time domain and V-shaped coupling |
Non-Patent Citations (1)
| Title |
|---|
| 武奇: "基于FPGA的三维超声成像检测系统", 中国优秀硕士学位论文全文数据库工程科技Ⅱ辑, no. 2021, 15 February 2021 (2021-02-15), pages 030 - 279 * |
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