CN107890355B - Method and device for adjusting ultrasonic wave transmitting power - Google Patents
Method and device for adjusting ultrasonic wave transmitting power Download PDFInfo
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Abstract
The invention provides a method for generating ultrasonic transmitting power, which comprises the following steps: acquiring a preset voltage value and a control parameter value list, wherein the control parameter value list comprises a transmitting waveform, a transmitting aperture, a scanning angle and a pulse repetition frequency; obtaining an output power value according to the preset voltage value and the transmitting waveform, the transmitting aperture, the scanning angle and the pulse repetition frequency in the control parameter value list; and when the output power value is determined to meet the preset condition, the output power value is the ultrasonic wave transmitting power. Firstly, the control parameter value list only contains parameters of four cores, when the output power value meets the preset condition, the ultrasonic wave transmitting power (namely the output power value) is obtained, and the method can generate the proper ultrasonic wave transmitting power and is simple.
Description
Technical Field
The invention relates to the technical field of ultrasonic scanning, in particular to a method and a device for adjusting ultrasonic wave transmitting power.
Background
Ultrasound scanning is widely used in medical diagnosis, especially in obstetrical examinations, and it is understood that if the transmission power of the ultrasonic wave is too large, it may cause damage to the human body (for example, when scanning the ultrasonic wave of a pregnant woman, the proper transmission power of the ultrasonic wave is required to prevent damage to the fetus, etc.). Meanwhile, the quality of an ultrasonic scanning image acquired by ultrasonic equipment is related to the ultrasonic wave transmitting power, the higher the power is, the stronger the penetrating power of the image is, the better the signal-to-noise ratio is, and the higher the sensitivity is; the resolution of the ultrasound scanning image is also power dependent, and can be divided into axial resolution and lateral resolution, that is: (1) the shorter the transmit pulse, the better the axial resolution, and the lower the corresponding power; (2) the larger the aperture of the emission, the better the lateral resolution and the higher the corresponding power. Therefore, it is necessary to set an appropriate ultrasonic wave transmission power for the ultrasonic apparatus.
Since the ultrasonic equipment has a plurality of working modes, the control parameter values required to be input in each working mode are different, so that the doctor can hardly modulate the proper ultrasonic wave transmitting power.
Therefore, it is an urgent problem to design a simple method for generating an appropriate ultrasonic wave transmission power.
Disclosure of Invention
The invention aims to provide a method and a device for adjusting ultrasonic wave transmitting power.
In order to achieve one of the above objects, an embodiment of the present invention provides a method for generating ultrasonic transmission power, including the steps of:
acquiring a preset voltage value and a control parameter value list, wherein the control parameter value list comprises a transmitting waveform, a transmitting aperture, a scanning angle and a pulse repetition frequency;
obtaining an output power value according to the preset voltage value and the transmitting waveform, the transmitting aperture, the scanning angle and the pulse repetition frequency in the control parameter value list;
and when the output power value is determined to meet the preset condition, the output power value is the ultrasonic wave transmitting power.
As a further improvement of an embodiment of the present invention, the obtaining an output power value according to the preset voltage value and the transmission waveform, the transmission aperture, the scanning angle, and the pulse repetition frequency in the control parameter value list includes:
As a further improvement of an embodiment of the present invention, the method further comprises the following steps: when the output power value is determined not to meet the preset condition, continuously obtaining an untested control parameter value list from a plurality of control parameter value lists to be tested, and obtaining the output power value according to the preset voltage value and the transmitting waveform, the transmitting aperture, the scanning angle and the pulse repetition frequency in the control parameter value list until the output power value meets the preset condition or the plurality of control parameter value lists to be tested are all tested, wherein when the output power value is determined to meet the preset condition, the output power value is the ultrasonic transmitting power.
As a further improvement of an embodiment of the present invention, the determining that the output power value satisfies a preset condition includes: when the output power value is determined to meet the mechanical index, the thermal index, the attenuated space peak value time average sound intensity and the overtemperature, the preset condition is met; the determining that the output power value does not satisfy a preset condition includes: and when the output power value is determined not to meet the mechanical index, the thermal index, the attenuated space peak value time average sound intensity and the overtemperature, the preset condition is not met.
As a further improvement of an embodiment of the present invention, the method further comprises the following steps: when the output power value is determined not to meet the preset condition, continuously obtaining untested power factors from the plurality of power factors to be tested, and obtaining the output power value according to the preset voltage value, the power factors and the transmitting waveform, the transmitting aperture, the scanning angle and the pulse repetition frequency in the control parameter value list until the output power value meets the preset condition or the plurality of power factors to be tested are all tested, and when the output power value is determined to meet the preset condition, the output power value is the ultrasonic transmitting power.
As a further improvement of an embodiment of the present invention, the determining that the output power value satisfies a preset condition includes: when the output power value is determined to meet the power supply voltage limit, a preset condition is met; the determining that the output power value does not satisfy a preset condition includes: and when the output power value is determined not to meet the power supply voltage limit, the preset condition is not met.
An embodiment of the present invention provides an apparatus for generating ultrasonic transmission power, including the following modules:
the device comprises an acquisition module, a control module and a control module, wherein the acquisition module is used for acquiring a preset voltage value and a control parameter value list, and the control parameter value list comprises a transmitting waveform, a transmitting aperture, a scanning angle and a pulse repetition frequency;
the calculation module is used for obtaining an output power value according to the preset voltage value and the transmitting waveform, the transmitting aperture, the scanning angle and the pulse repetition frequency in the control parameter value list;
and the judging module is used for determining that the output power value meets the preset condition, and the output power value is the ultrasonic wave transmitting power.
An embodiment of the present invention provides a method for adjusting ultrasonic wave transmission power of an ultrasonic apparatus, including the steps of:
acquiring a plurality of working modes of the ultrasonic probe;
when the number of the working modes is determined to be 1, calling the method for generating the ultrasonic transmitting power to obtain the ultrasonic transmitting power;
and when the number of the working modes is more than 1, calling the method for generating the ultrasonic wave transmitting power to obtain the ultrasonic wave transmitting power corresponding to each working mode.
The invention provides a device for adjusting ultrasonic wave transmitting power of ultrasonic equipment, which comprises the following modules:
the working mode acquisition module is used for acquiring a plurality of working modes of the ultrasonic probe;
the first transmission power calculation module is used for calling the method for generating the ultrasonic transmission power to obtain the ultrasonic transmission power when the number of the working modes is determined to be 1;
and the second transmitting power calculation module is used for calling the method for generating the ultrasonic transmitting power to obtain the ultrasonic transmitting power corresponding to each working mode when the number of the working modes is determined to be more than 1.
An embodiment of the present invention provides an ultrasound apparatus, which is characterized in that the above-mentioned means for generating ultrasonic wave transmission power or the above-mentioned means for adjusting ultrasonic wave transmission power of the ultrasound apparatus is installed.
Compared with the prior art, the invention has the technical effects that: the embodiment of the invention provides a method for generating ultrasonic transmitting power, which comprises the following steps: acquiring a preset voltage value and a control parameter value list, wherein the control parameter value list comprises a transmitting waveform, a transmitting aperture, a scanning angle and a pulse repetition frequency; obtaining an output power value according to the preset voltage value and the transmitting waveform, the transmitting aperture, the scanning angle and the pulse repetition frequency in the control parameter value list; and when the output power value is determined to meet the preset condition, the output power value is the ultrasonic wave transmitting power. Firstly, the control parameter value list only contains parameters of four cores, when the output power value meets the preset condition, the ultrasonic wave transmitting power (namely the output power value) is obtained, and the method can generate the proper ultrasonic wave transmitting power and is simple.
Drawings
FIG. 1 is a schematic flow diagram of a method of generating ultrasonic transmit power in an embodiment of the invention;
fig. 2 is a transmission waveform of a 2D waveform in an embodiment of the present invention;
FIG. 3 is a transmit waveform of a CFI waveform in an embodiment of the present invention;
FIG. 4 is a transmit waveform of a PWD waveform in an embodiment of the present invention;
fig. 5 is a transmit waveform of a CWD waveform in an embodiment of the present invention;
FIG. 6 is a schematic diagram of a transmit aperture in an embodiment of the invention;
FIG. 7 is a schematic view of a scanning angle in an embodiment of the invention;
fig. 8 is a flowchart illustrating a method of adjusting ultrasonic wave transmission power of an ultrasonic apparatus according to an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.
The embodiment of the invention provides a method for generating ultrasonic wave transmitting power, which can be executed by a control system in an ultrasonic scanning device; as shown in fig. 1, the method of generating ultrasonic transmission power includes the steps of:
step 101: acquiring a preset voltage value and a control parameter value list, wherein the control parameter value list comprises a transmitting waveform, a transmitting aperture, a scanning angle and a pulse repetition frequency; here, when the ultrasound apparatus is operated, a power supply needs to be provided to supply power to the ultrasound apparatus, and it is understood that the output voltage value of the power supply has an upper limit value, and the preset voltage value is less than or equal to the upper limit value.
Typical ultrasound device core control parameters include: transmit waveform, transmit aperture, sweep angle, and Pulse Repetition Frequency (PRF); the transmit waveforms include a transmit Frequency (Frequency) and a number of Pulse cycles (Cycle), and the transmit waveforms are different in different working modes, and are mainly classified into a 2D (Two-dimensional) waveform, a CFI (Color Flow Imaging) waveform, a PWD (Pulse Wave Doppler) waveform, and a CWD (continuous Wave Doppler) waveform, where the 2D waveform generally includes: B-Wave (fundamental Wave), Harmonics (harmonic), and the like. Here, fig. 2 shows a transmission waveform of a 2D waveform, fig. 3 shows a transmission waveform of a CFI waveform, fig. 4 shows a transmission waveform of a PWD waveform, fig. 5 shows a transmission waveform of a CWD waveform, fig. 6 shows a transmission aperture, and fig. 7 shows a scanning angle.
Step 102: obtaining an output power value according to the preset voltage value and the transmitting waveform, the transmitting aperture, the scanning angle and the pulse repetition frequency in the control parameter value list;
step 103: and when the output power value is determined to meet the preset condition, the output power value is the ultrasonic wave transmitting power.
In steps 101 to 103, four core parameters are selected from a plurality of control parameters of the ultrasound apparatus to obtain an output power value, and when the output power value satisfies a preset condition, the ultrasound transmission power (i.e., the output power value) is obtained.
Preferably, the obtaining an output power value according to the preset voltage value and the transmission waveform, the transmission aperture, the scanning angle, and the pulse repetition frequency in the control parameter value list includes:
Preferably, the method further comprises the following steps: when the output power value is determined not to meet the preset condition, continuously obtaining an untested control parameter value list from a plurality of control parameter value lists to be tested, and obtaining the output power value according to the preset voltage value and the transmitting waveform, the transmitting aperture, the scanning angle and the pulse repetition frequency in the control parameter value list until the output power value meets the preset condition or the plurality of control parameter value lists to be tested are all tested, wherein when the output power value is determined to meet the preset condition, the output power value is the ultrasonic transmitting power. Here, a plurality of control parameter value lists can be set according to long-term use experience of doctors, and then each control parameter value list is tested one by one until a proper output power value is obtained, or all the control parameter value lists are tested, but the proper output power value is still not obtained; optionally, when the appropriate output power value is not obtained, the user may be prompted to input the appropriate control parameter.
Preferably, the determining that the output power value satisfies a preset condition includes: when the output power value is determined to meet the mechanical index, the thermal index, the space peak time average sound intensity (Ispta.3) after attenuation and overtemperature, meeting a preset condition; the determining that the output power value does not satisfy a preset condition includes: and when the output power value is determined not to meet the mechanical index, the thermal index, the space peak time average sound intensity (Ispta.3) after attenuation and overtemperature, the preset condition is not met. Here, in the long-term practice of the inventors, it was found that when an ultrasonic wave is emitted at an output power value when the output power value satisfies a mechanical index, a thermal index, a space-peak time-averaged sound intensity after attenuation, and an overtemperature, the ultrasonic wave does not cause damage to a human body group, and the penetration, the signal-to-noise ratio, and the sensitivity of the obtained ultrasonic scan image all meet requirements.
Preferably, the method further comprises the following steps: when the output power value is determined not to meet the preset condition, continuously obtaining untested power factors from the plurality of power factors to be tested, and obtaining the output power value according to the preset voltage value, the power factors and the transmitting waveform, the transmitting aperture, the scanning angle and the pulse repetition frequency in the control parameter value list until the output power value meets the preset condition or the plurality of power factors to be tested are all tested, and when the output power value is determined to meet the preset condition, the output power value is the ultrasonic transmitting power. Here, a plurality of power factors can be set according to long-term use experience of a doctor, and then each power factor is tested one by one until a proper output power value is obtained, or all the power factors are tested, but the proper output power value is still not obtained; optionally, when the appropriate output power value is not obtained, the user may be prompted to input an appropriate power factor.
Preferably, the determining that the output power value satisfies a preset condition includes: when the output power value is determined to meet the power supply voltage limit, a preset condition is met; the determining that the output power value does not satisfy a preset condition includes: and when the output power value is determined not to meet the power supply voltage limit, the preset condition is not met. In practice, a power supply is needed to supply electric energy to the ultrasonic apparatus, and the ultrasonic transmission power of the ultrasonic apparatus is usually determined by the input voltage, so the input voltage value corresponding to the output power value must be less than or equal to the voltage of the power supply, i.e. the limit of the power supply voltage needs to be satisfied.
The embodiment of the invention also provides a device for generating the ultrasonic transmitting power, which comprises the following modules:
the device comprises an acquisition module, a control module and a control module, wherein the acquisition module is used for acquiring a preset voltage value and a control parameter value list, and the control parameter value list comprises a transmitting waveform, a transmitting aperture, a scanning angle and a pulse repetition frequency;
the calculation module is used for obtaining an output power value according to the preset voltage value and the transmitting waveform, the transmitting aperture, the scanning angle and the pulse repetition frequency in the control parameter value list;
and the judging module is used for determining that the output power value meets the preset condition, and the output power value is the ultrasonic wave transmitting power.
The embodiment of the invention provides a method for adjusting the ultrasonic wave transmitting power of ultrasonic equipment, which comprises the following modules:
step 801: acquiring a plurality of working modes of the ultrasonic probe;
step 802: when the number of the working modes is determined to be 1, calling the method for generating the ultrasonic transmitting power to obtain the ultrasonic transmitting power;
step 803: and when the number of the working modes is more than 1, calling the method for generating the ultrasonic wave transmitting power to obtain the ultrasonic wave transmitting power corresponding to each working mode.
In practice, an ultrasound apparatus may have one or more operation modes, and therefore, an appropriate ultrasonic wave transmission power needs to be generated for each operation mode; for example: B-Wave (fundamental), HAR (Harmonics), CF (Color Flow), PWD (Pulse Wave Doppler), PDI (Power Doppler Imaging), TVI (Tissue Velocity Imaging), TD (Tissue Doppler), M (anatomical mode), CM (Color Flow M, Color anatomical mode), CWD (continuous Doppler mode), 3D (Three Dimension), Stic 3D (Static Three Dimension), 4D (Four Dimension), CBI (Contrast B Imaging), angiography), EI (Elastic Imaging), and the like.
The embodiment of the invention also provides a device for adjusting the ultrasonic wave transmitting power of the ultrasonic equipment, which comprises the following modules:
the working mode acquisition module is used for acquiring a plurality of working modes of the ultrasonic probe;
the first transmission power calculation module is used for calling the method for generating the ultrasonic transmission power to obtain the ultrasonic transmission power when the number of the working modes is determined to be 1;
and the second transmitting power calculation module is used for calling the method for generating the ultrasonic transmitting power to obtain the ultrasonic transmitting power corresponding to each working mode when the number of the working modes is determined to be more than 1.
The embodiment of the invention also provides ultrasonic equipment which is provided with the device for generating the ultrasonic wave transmitting power or the device for adjusting the ultrasonic wave transmitting power of the ultrasonic equipment. In the ultrasonic equipment, after the ultrasonic wave transmitting power corresponding to each working mode is obtained, when the ultrasonic equipment works in the working mode, the power of the transmitted ultrasonic wave is equal to the ultrasonic wave transmitting power.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (8)
1. A method of generating ultrasonic transmit power, comprising the steps of:
acquiring a preset voltage value and a control parameter value list, wherein the control parameter value list only comprises a transmitting waveform, a transmitting aperture, a scanning angle and a pulse repetition frequency;
obtaining an output power value according to the preset voltage value and the transmitting waveform, the transmitting aperture, the scanning angle and the pulse repetition frequency in the control parameter value list;
when the output power value is determined to meet the preset condition, the output power value is the ultrasonic wave transmitting power;
the obtaining of the output power value according to the preset voltage value and the emission waveform, the emission aperture, the scanning angle and the pulse repetition frequency in the control parameter value list comprises:
2. The method of generating ultrasonic transmit power of claim 1, further comprising the steps of:
when the output power value is determined not to meet the preset condition, continuously obtaining an untested control parameter value list from a plurality of control parameter value lists to be tested, and obtaining the output power value according to the preset voltage value and the transmitting waveform, the transmitting aperture, the scanning angle and the pulse repetition frequency in the control parameter value list until the output power value meets the preset condition or the plurality of control parameter value lists to be tested are all tested, wherein when the output power value is determined to meet the preset condition, the output power value is the ultrasonic transmitting power.
3. The method of generating ultrasonic transmit power of claim 1,
the determining that the output power value satisfies a preset condition includes: when the output power value is determined to meet the mechanical index, the thermal index, the attenuated space peak value time average sound intensity and the overtemperature, the preset condition is met;
the determining that the output power value does not satisfy a preset condition includes: and when the output power value is determined not to meet the mechanical index, the thermal index, the attenuated space peak value time average sound intensity and the overtemperature, the preset condition is not met.
4. The method of generating ultrasonic transmit power of claim 1, further comprising the steps of:
when the output power value is determined not to meet the preset condition, continuously obtaining untested power factors from the plurality of power factors to be tested, and obtaining the output power value according to the preset voltage value, the power factors and the transmitting waveform, the transmitting aperture, the scanning angle and the pulse repetition frequency in the control parameter value list until the output power value meets the preset condition or the plurality of power factors to be tested are all tested, and when the output power value is determined to meet the preset condition, the output power value is the ultrasonic transmitting power.
5. The method of generating ultrasonic transmit power of claim 4,
the determining that the output power value satisfies a preset condition includes: when the output power value is determined to meet the power supply voltage limit, a preset condition is met;
the determining that the output power value does not satisfy a preset condition includes: and when the output power value is determined not to meet the power supply voltage limit, the preset condition is not met.
6. A method of adjusting ultrasonic transmit power of an ultrasonic device, comprising the steps of:
acquiring a plurality of working modes of an ultrasonic probe;
when the number of the working modes is determined to be 1, calling the method for generating the ultrasonic transmitting power of any one of claims 1-5 to obtain the ultrasonic transmitting power;
when the number of the plurality of working modes is determined to be more than 1, calling the method for generating the ultrasonic wave transmitting power of any one of claims 1-5 to obtain the ultrasonic wave transmitting power corresponding to each working mode.
7. An apparatus for adjusting ultrasonic wave transmitting power of an ultrasonic device, comprising:
the working mode acquisition module is used for acquiring a plurality of working modes of the ultrasonic probe;
a first transmission power calculating module, configured to, when it is determined that the number of the plurality of operating modes is 1, call the method for generating ultrasonic transmission power according to any one of claims 1 to 5 to obtain ultrasonic transmission power;
a second transmission power calculating module, configured to, when it is determined that the number in the multiple operation modes is greater than 1, invoke the method for generating ultrasound transmission power according to any one of claims 1 to 5 to obtain ultrasound transmission power corresponding to each operation mode.
8. An ultrasonic apparatus characterized by being equipped with the device for adjusting ultrasonic wave transmission power of an ultrasonic apparatus according to claim 7.
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| CN108828927B (en) * | 2018-05-31 | 2020-11-10 | 出门问问信息科技有限公司 | Intelligent watch and decontamination method |
| CN113017685A (en) * | 2021-02-01 | 2021-06-25 | 聚融医疗科技(杭州)有限公司 | Single-power-supply multi-mode waveform pulse width modulation method and system for ultrasonic equipment |
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