CN108014420B - Transcranial magnetic stimulation instrument capable of positioning gesture of hand - Google Patents
Transcranial magnetic stimulation instrument capable of positioning gesture of hand Download PDFInfo
- Publication number
- CN108014420B CN108014420B CN201610945178.2A CN201610945178A CN108014420B CN 108014420 B CN108014420 B CN 108014420B CN 201610945178 A CN201610945178 A CN 201610945178A CN 108014420 B CN108014420 B CN 108014420B
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- 238000011491 transcranial magnetic stimulation Methods 0.000 title description 6
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 239000003086 colorant Substances 0.000 claims description 3
- 210000004556 brain Anatomy 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000000638 stimulation Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 208000003443 Unconsciousness Diseases 0.000 description 1
- 230000002490 cerebral effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 230000002232 neuromuscular Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N2/00—Magnetotherapy
- A61N2/02—Magnetotherapy using magnetic fields produced by coils, including single turn loops or electromagnets
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N2/00—Magnetotherapy
- A61N2/004—Magnetotherapy specially adapted for a specific therapy
- A61N2/006—Magnetotherapy specially adapted for a specific therapy for magnetic stimulation of nerve tissue
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
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- Magnetic Resonance Imaging Apparatus (AREA)
- Magnetic Treatment Devices (AREA)
Abstract
The invention provides a magnetic stimulator, which comprises a sensing unit, a processing unit and a display unit, wherein the sensing unit is used for detecting the space relative angle of a handle of the stimulator and sending detection signals to the processing unit, the processing unit obtains the posture information of the handle according to the detection signals, and the display unit can be used for displaying the posture information of the handle. The magnetic stimulator can automatically position the posture of the handle, prevents an operator from aligning the handle with a patient in an incorrect posture, enables the part to be treated of the patient to be always right against the magnetic field area of the handle, and avoids medical accidents.
Description
Technical Field
The invention relates to the technical field of transcranial magnetic stimulation instruments, in particular to a transcranial magnetic stimulation instrument capable of positioning the posture of a hand.
Background
The transcranial magnetic stimulation instrument is a painless and noninvasive green treatment method, magnetic signals generated by the transcranial magnetic stimulation instrument can penetrate through skull bone without attenuation to stimulate cerebral nerves, the practical application is not limited to the stimulation of brain, and peripheral neuromuscular can be stimulated as well.
During the working process of the magnetic stimulator, the handle has a part with the strongest magnetic field, and the part is the position where the coil is positioned. Generally, a cross mark is marked on the surface of the shell on the side of the handle facing the patient to indicate the position of the strongest magnetic field, and in order to ensure the best treatment effect, a doctor needs to align the position of the strongest magnetic field with the position of the head of the patient to be treated. For example, when the head of a patient is treated by magnetic stimulation, according to different treatment requirements of the patient, the left brain area and the right brain area of the patient can be stimulated and treated in a targeted manner, because in the treatment process of the current magnetic stimulator, medical staff needs to hold the handle of the stimulator, the magnetic field area of the handle of the stimulator changes when aiming at the part of the patient due to fatigue or unconscious movement of arms, if the left brain area is stimulated, the right brain area is stimulated by mistake, or the right brain area is stimulated by mistake, and because the difference of the stimulation areas of the left brain and the right brain is huge in the magnetic stimulation treatment, if the effect of treatment can not be obtained by mistake in the stimulation areas, the patient is seriously injured, the result is very serious, and the current magnetic stimulator does not have the function of monitoring the posture of the handle.
Disclosure of Invention
The invention provides a magnetic stimulator, which is provided with a handle and is characterized in that the magnetic stimulator comprises: the sensing unit is used for detecting the space relative angle of the handle and sending an angle detection signal to the processing unit, and the processing unit obtains the gesture information of the handle according to the detection signal. And the processing unit calculates and obtains a relative angle value of the handle in space according to the received angle detection signal of the relative angle in space.
Further, the magnetic stimulator handle also has a display unit, which may be used to display posture information of the handle.
Further, the sensing unit is a gyroscope installed in a handle, and the posture information of the handle is relative angle values of the handle relative to three axes of a space XYZ.
Further, the display unit may display a three-dimensional model of the handle, the three-dimensional model having three rotation amounts corresponding to relative angle values of the handle with respect to three axes of the space XYZ, respectively.
Further, the processing unit sets a threshold range for the relative angle values of the handle in space relative to the three axes XYZ respectively, and judges whether the handle is in a correct posture according to whether the obtained relative angle values of the handle are within the angle threshold range.
Further, the display unit displays at least one display model, and prompts whether the posture of the handle is correct or not through the color change of the display model.
Further, the display model is a two-dimensional plane view of a two-dimensional cross, square, round, oval or handle, or a three-dimensional model of a three-dimensional cube, cylinder, cross, sphere, ellipsoid or handle.
Further, the magnetic stimulator further comprises a voice unit, wherein the voice unit can prompt an operator through voice on the judgment result of whether the posture of the handle is correct or not, and can guide the operator to correct the posture of the handle through voice.
Further, the processing unit may initialize an angle threshold, the processing unit allows an arbitrary posture of the handle to be used as an initial posture, sets angle threshold ranges according to relative angle values of the handle in space relative to three axes of XYZ under the initial posture, and judges whether the handle is in a correct posture according to whether the obtained relative angle values of the handle are within the angle threshold ranges.
Further, the magnetic stimulator comprises an alarm unit, and the alarm unit alarms when the processing unit judges that the posture of the handle is wrong.
The magnetic stimulator can automatically position the posture of the handle, prevents an operator from aligning the handle with a patient in an incorrect posture, enables the part to be treated of the patient to be always right against the magnetic field area of the handle, and avoids medical accidents.
Drawings
FIG. 1 is a schematic view of a magnetic stimulator handle of the present invention on a side facing a patient;
wherein, handle 1, cross sign 2.
Detailed Description
The invention will be further described with reference to the following specific embodiments.
In one embodiment, the handle of the magnetic stimulator of the present invention has a location of the strongest magnetic field, which is typically the location of the coil, marked with a cross on the housing on the patient facing side of the handle. The magnetic stimulator includes: the sensing unit is used for detecting the space relative angle of the handle and sending detection signals to the processing unit, and the processing unit calculates posture information of the handle according to the detection signals, for example, the posture information is a relative angle value of the handle in space. The processing unit can be a host processor of the magnetic stimulator, and can also be a small-sized processor, such as a singlechip, a DSP or an MCU unit.
In one embodiment, the magnetic stimulator handle further has a display unit, such as a liquid crystal display screen disposed on an upper surface of the handle, where the display unit may be configured to display posture information of the handle, and in particular, the display screen is configured to display the relative angle value of the handle in space calculated by the processing unit.
In a further embodiment, the sensing unit is a three-axis gyroscope installed in the handle, the gyroscope detects the relative angle of the handle relative to three axes of the space XYZ, and sends detection signals to the processing unit, and the processing unit calculates the posture information of the handle to obtain the relative angle value of the handle relative to the three axes of the space XYZ.
In many cases, if the operator only sees the relative angle values of the handle displayed by the display screen relative to the three axes of the space XYZ, the operator cannot clearly know whether the current posture of the handle is correct, and whether the posture of the handle is displaced during the process of holding the handle is unclear, because the attention of the operator is at the part to be treated of the patient, the posture of the handle cannot be intuitively judged immediately for the angle values displayed on the display screen, and the calculated angle values need to be further converted by the processing unit. In one embodiment, the processing unit may determine whether the posture of the handle is correct, specifically, the processing unit sets a threshold range for the relative angle values of the handle in space with respect to three axes XYZ, determines whether the handle is in a correct posture by determining whether the calculated relative angle values of the handle are within the angle threshold range, for example, the set relative angle values of the handle in a correct posture with respect to three axes XYZ are (45 °, 60 °), and the threshold values set by the processing unit for the three angle values are all ±3°, that is, if the calculated relative angle values of the handle in real time with respect to three axes XYZ are within the threshold ranges of (45 ° ± 3 °, 60 ° ± 3 °), the processing unit determines that the handle is in a correct posture, otherwise, the handle is in an incorrect posture. The display unit displays the judging result in a mode of intuitively informing an operator whether the posture of the handle is correct or not. In an alternative embodiment, the display unit may display the angle value in different colors, green when the angle is correct, and red when the angle is incorrect; in an alternative embodiment, the display unit may indicate in text that a certain angle value is incorrect. In other embodiments, the magnetic stimulator includes an alarm unit, when the processing unit determines that the gesture of the handle is wrong, the alarm unit gives an alarm, the alarm may be a buzzer or a warning sound prompt, or a warning light prompt, and the number of the warning lights may be three, and the warning lights respectively aim at three relative angle values.
In other embodiments, the magnetic stimulator of the present invention may intuitively present the posture information of the handle in other ways, without having to display only the relative angle values of the handle with respect to three axes of the space XYZ. In one embodiment, the display unit may display a three-dimensional model of the handle, which has three rotation amounts, corresponding to the relative angle values of the handle with respect to three axes of the space XYZ, respectively, or the display unit may display a two-dimensional model of the handle, display different areas of the three-dimensional model or the two-dimensional model in different colors representing different angle values, for example, the model is displayed in blue as a whole when the handle is in a correct posture, if the handle is tilted left, the left side of the handle is close to the patient, the right side is far away from the patient, the left part of the model is displayed in red, and the right part is displayed in yellow, the operator sees the change of the model color, which not only intuitively recognizes that the handle is in an incorrect posture, but also quickly knows the correction direction, i.e. lets the red part of the handle be far away from the patient, and the yellow part is close to the patient. In an alternative embodiment, the display unit may select a simpler way, for example the display unit may display at least one display model, which by a color change of the display model indicates whether the handle is in the correct position, i.e. the display model is displayed in a safe color, preferably blue or green, and when the handle is in an incorrect position the display model is displayed in a warning color, preferably red, yellow or orange, further the display model may be displayed partly in a warning color and partly in a safe color. The display model is a two-dimensional cross, square, round or oval, or a three-dimensional cube, cylinder, cross, sphere or ellipsoid. Further, the color intensity of the change represents the magnitude of the difference between the current relative angle value of the handle relative to the three axes of the space XYZ and the set value, taking a two-dimensional cross as an example, the cross is displayed in green as a whole when the handle is in a correct posture, if the handle is tilted left, the left side of the handle is close to a patient, the right side is far away from the patient, the left part of the cross is displayed in red, the right part of the handle is displayed in yellow, an operator can intuitively recognize that the handle is in an incorrect posture, and can quickly know the correction direction, namely, the red part on the left side of the handle is far away from the patient, the yellow part on the right side of the handle is close to the patient, and the handle is kept static in the upper direction and the lower direction. If the degree of red is deeper, it represents the degree of deviation of the left side of the handle from the correct position, and thus the operator is guided by posture correction, it will be appreciated that this way of informing the posture information of the handle by a color change is applicable to any of the display models described above.
Further, the magnetic stimulator further comprises a voice unit, wherein the voice unit can prompt an operator through voice on the judgment result of whether the posture of the handle is correct or not, and can guide the operator to correct the posture of the handle through voice.
In the above embodiment, the operator usually aligns the handle to a certain portion of the patient and holds the handle for a period of time, and because the patient is fat or thin, sits high, and has different body states and portions to be treated, when determining whether the posture of the handle is correct, the relative angle value of the handle in space with respect to three axes XYZ obtained by calculation in real time needs to be compared with a threshold range, if the relative angle value is correct within the threshold range, but the initial positions of the handle are different, the operator does not know the relative angle values of the handle in space with respect to three axes XYZ at each initial position, and therefore it is difficult to determine whether the handle is in the correct posture by setting the threshold range. In one embodiment, the processing unit may initialize the relative angle values of the handle in space with respect to the three axes XYZ, and the processing unit allows any posture of the handle to be taken as an initial posture, sets threshold ranges of the relative angle values according to the relative angle values of the handle in space with respect to the three axes XYZ in the initial posture, and judges whether the handle is in a correct posture or not according to whether the relative angle values of the handle calculated in real time are within the threshold ranges of the angles. For example, the handle is provided with an initializing device, which can be a hardware key or a key of a touch screen, when an operator operates, the posture of the handle is adjusted firstly, after the adjustment is finished, the operator presses the key, the processing unit takes the relative angle values (45 DEG, 45 DEG and 60 DEG) of the handle in space relative to three XYZ axes at the moment as the reference value of the handle in the initializing posture, the threshold range is set to be (45 DEG + -3 DEG, 45 DEG + -3 DEG and 60 DEG + -3 DEG), and if the relative angle values of the handle in space relative to the three XYZ axes calculated by the processing unit in real time are within the threshold range in the treatment process, the handle is judged to be in a correct posture, otherwise, the handle is in an incorrect posture. The function of customizing the initial posture of the handle in the embodiment allows an operator to take the posture of any handle as the initial posture and monitor the degree of the handle deviating from the initial posture, so that the practicability of the handle is greatly enhanced.
The foregoing is merely a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art will recognize that changes and substitutions are within the scope of the present invention.
Claims (6)
1. A magnetic stimulator having a handle, the magnetic stimulator comprising: the sensing unit is used for detecting the space relative angle of the handle and sending a detection signal to the processing unit, and the processing unit obtains the gesture information of the handle according to the detection signal; the sensing unit is a gyroscope arranged in a handle, and the posture information of the handle is the relative angle value of the handle relative to three axes of a space XYZ;
the magnetic stimulator handle is also provided with a display unit which can be used for displaying the gesture information of the handle;
the processing unit sets threshold ranges for the relative angle values of the handle in space relative to the three XYZ axes respectively, and judges whether the handle is in a correct posture according to whether the obtained relative angle values of the handle are within the angle threshold ranges; the display unit displays at least one display model, and different colors are displayed in different areas of the display model to show whether the gesture of the handle is correct.
2. The magnetic stimulator according to claim 1, wherein the display unit is capable of displaying a three-dimensional model of the handle, the three-dimensional model having three rotational amounts corresponding to relative angular values of the handle with respect to three axes of space XYZ, respectively.
3. The magnetic stimulator of claim 1, wherein the display model is a two-dimensional cross, square, circle, oval, two-dimensional model of a handle, or a three-dimensional cube, cylinder, cross, sphere, ellipsoid, three-dimensional model of a handle.
4. The magnetic stimulator according to claim 1, further comprising a voice unit for prompting an operator by voice of a judgment result of whether the posture of the handle is correct or not, and guiding the operator to correct the posture of the handle by voice.
5. The magnetic stimulator according to claim 2, wherein the processing unit is capable of initializing an angle threshold, the processing unit allows any posture of the handle to be used as an initial posture, and sets an angle threshold range according to relative angle values of the handle in space relative to three axes XYZ in the initial posture, and judges whether the handle is in a correct posture according to whether the obtained relative angle values of the handle are within the angle threshold range; the handle is provided with an initialization key, and when the key is pressed, the processing unit takes the relative angle value of the handle in space relative to three axes XYZ as a reference value of the handle in the initialization posture.
6. The magnetic stimulator according to claim 1, wherein the magnetic stimulator includes an alarm unit that alarms when the processing unit determines that the posture of the handle is wrong.
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| CN201610945178.2A CN108014420B (en) | 2016-11-02 | 2016-11-02 | Transcranial magnetic stimulation instrument capable of positioning gesture of hand |
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| CN201610945178.2A CN108014420B (en) | 2016-11-02 | 2016-11-02 | Transcranial magnetic stimulation instrument capable of positioning gesture of hand |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110124201A (en) * | 2019-04-04 | 2019-08-16 | 北京大学（天津滨海）新一代信息技术研究院 | Magnetic stimulation coil attitude measuring device |
| CN110812700A (en) * | 2019-12-04 | 2020-02-21 | 麦克斯(郑州)医疗科技有限公司 | Device for repeatedly positioning transcranial magnetic stimulation coil and using method |
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