WO2018003127A1 - 嚥下訓練装置 - Google Patents
嚥下訓練装置 Download PDFInfo
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- WO2018003127A1 WO2018003127A1 PCT/JP2016/069723 JP2016069723W WO2018003127A1 WO 2018003127 A1 WO2018003127 A1 WO 2018003127A1 JP 2016069723 W JP2016069723 W JP 2016069723W WO 2018003127 A1 WO2018003127 A1 WO 2018003127A1
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- swallowing
- subject
- unit
- breathing
- sound
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Images
Classifications
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- G16H20/00—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance
- G16H20/30—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to physical therapies or activities, e.g. physiotherapy, acupressure or exercising
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Definitions
- the present invention relates to a swallowing training apparatus for performing swallowing training.
- Patent Document 1 discloses a system for performing swallowing training. In this system, at or near the middle of expiration, a swallowing cue for the subject is initiated and the subject's response to this cue is stored in the system.
- Patent Document 1 Since a cue for swallowing is given to the subject, the subject can grasp the timing of swallowing, but trains whether swallowing performed according to the cue was performed at an ideal timing. Difficult to check inside. In particular, it is extremely difficult for an elderly person to determine at which timing during respiration the person is aware of his / her breathing motion. For this reason, swallowing training cannot be effectively advanced only by giving a swallowing signal.
- the present invention has been made in view of such circumstances, and an object thereof is to provide a swallowing training apparatus that enables a subject to effectively advance swallowing training.
- the main aspect of the present invention relates to a swallowing training apparatus for swallowing training.
- the swallowing training apparatus includes a respiration detecting unit for detecting a breathing motion of a subject, a swallowing guiding unit that gives a trigger for swallowing guidance to the subject based on a detection result from the respiration detecting unit, A swallowing detection unit for detecting that swallowing has been performed by the subject, and determining whether swallowing detected by the swallowing detection unit is at an appropriate timing with respect to the breathing motion detected by the breathing detection unit A swallowing determination unit; and a result output unit that outputs information indicating a determination result to the outside according to the determination made by the swallowing determination unit.
- the swallowing training apparatus According to the swallowing training apparatus according to this aspect, information indicating whether or not the swallowing performed by the subject according to the trigger for swallowing was ideal is output to the outside each time swallowing. For this reason, the test subject can confirm at any time during the swallowing training whether or not the swallowing performed by himself / herself was at an ideal timing. In addition, a speech hearing person or the like can also check at any time whether or not the subject swallowed at an ideal timing during the breathing motion. Thus, the subject can proceed with swallowing training smoothly and effectively while receiving guidance from himself or a speech auditor.
- the swallowing training apparatus may further include a respiratory output unit that outputs information indicating the respiratory motion of the subject to the outside based on a detection result from the respiratory detection unit.
- a respiratory output unit that outputs information indicating the respiratory motion of the subject to the outside based on a detection result from the respiratory detection unit.
- the swallowing training apparatus further includes a display unit for displaying information
- the respiratory output unit includes first operation information indicating whether the breathing operation is in expiration or inspiration
- a call Breath and second movement information indicating the progress of breathing may be configured to be displayed on the display unit as information indicating the breathing movement.
- the respiratory output unit may be configured to make the display of at least one of the first motion information and the second motion information different between the case of the exhalation and the case of the inhalation.
- the subject can more clearly grasp whether the current breathing action is in exhalation or inspiration, and can advance swallowing more smoothly according to the trigger.
- the respiratory output unit may be configured to make the display color of at least one of the first motion information and the second motion information different between the case of the exhalation and the case of the inspiration.
- the subject can intuitively grasp whether the current breathing operation is in expiration or inspiration by color.
- the respiratory output unit sets the color of the display in the case of exhalation to a color (for example, green) indicating that it is suitable for swallowing, and the color of the display in the case of inhalation is not suitable for swallowing It is preferable to set a color indicating that (for example, red). In this way, the subject can intuitively grasp whether or not the breathing period is suitable for swallowing by color, and can advance swallowing more smoothly.
- the respiratory output unit displays the intensity of exhalation on the display unit with an indicator that changes in the first direction as the second motion information, and the intensity of inspiration
- the display unit may be configured to display the height with a sign that changes in a second direction opposite to the first direction.
- the respiration output unit may be configured to display, on the display unit, an image in which a respiration waveform is superimposed on a straight line that separates exhalation and inspiration as the second operation information.
- the subject can easily grasp the state of his / her breathing together with the transition of breathing, and can easily match swallowing with the trigger for swallowing guidance.
- the result output unit may be configured to display a determination result of swallowing suitability on the display unit together with the first motion information and the second motion information.
- the subject refers to the first motion information and the second motion information displayed on the display unit and proceeds with swallowing training, and at the same time, whether or not the timing of the last swallowing was ideal. Can be confirmed by the determination result displayed on the display unit. Therefore, the test subject can advance swallowing training smoothly and effectively.
- the swallowing training apparatus may further include a sound output unit for outputting a sound
- the result output unit may be configured to cause the sound output unit to output a sound indicating a determination result of swallowing suitability.
- the swallowing training apparatus may further include a swallowing output unit that displays information indicating the occurrence of swallowing on the display unit in response to the swallowing detection unit detecting the swallowing.
- a swallowing output unit that displays information indicating the occurrence of swallowing on the display unit in response to the swallowing detection unit detecting the swallowing.
- the subject refers to the first motion information and the second motion information displayed on the display unit, grasps his / her breathing motion, and determines at which timing during the breathing motion he / she swallowed. Can be confirmed.
- the test subject can confirm whether or not he / she swallowed at an ideal timing each time swallowing, and can further promote swallowing training.
- the swallowing guide unit may be configured to give the trigger to the subject at a predetermined timing in the first half of the exhalation period.
- the swallowing performed by the subject in response to the trigger is easily settled during the expiration period. Therefore, the subject can easily perform swallowing at an ideal timing with respect to the breathing action during training.
- the swallowing guide unit gives the trigger to the subject by making the display form of the second motion information in an ideal swallowing period during the expiration period different from the display form of other breathing periods. May be configured. In this way, the subject can grasp his / her breathing motion from the second motion information and can receive a swallowing trigger at the same time.
- the swallowing training apparatus includes a sound detection unit that detects sound of the larynx of the subject, and the swallowing detection unit is detected by the respiratory information detected by the respiration detection unit and the sound detection unit. It may be configured to detect the swallowing based on sound information.
- a sound detection unit that detects sound of the larynx of the subject
- the swallowing detection unit is detected by the respiratory information detected by the respiration detection unit and the sound detection unit. It may be configured to detect the swallowing based on sound information.
- the swallowing training apparatus further includes a displacement detection unit that detects a displacement of the larynx of the subject, and the swallowing detection unit is detected by the respiratory information detected by the respiratory detection unit and the sound detection unit.
- the swallowing may be detected based on the sound information and the displacement information detected by the displacement detector.
- the detection accuracy of swallowing can be further increased by further detecting swallowing with reference to the displacement information.
- FIG. 1 is a diagram illustrating an external configuration of a swallowing training apparatus according to an embodiment.
- FIG. 2 is a block diagram illustrating a configuration of the swallowing training apparatus according to the embodiment.
- FIG. 3A is a flowchart showing output processing according to the embodiment.
- FIG. 3B is a flowchart illustrating swallowing detection processing according to the embodiment.
- FIG. 4A is a flowchart showing determination output processing according to the embodiment.
- FIG. 4B is a flowchart showing swallowing guidance processing according to the embodiment.
- FIG. 5 is a schematic diagram of a respiratory waveform referred to in the description of the method for setting swallowing guidance timing according to the embodiment.
- FIGS. 6A and 6B are schematic diagrams of respiratory waveforms that are referred to in the description of another method for setting swallowing induction timing according to the embodiment, respectively.
- FIGS. 7A to 7D are diagrams showing transition of images displayed on the display unit during the swallowing exercise according to the embodiment.
- FIGS. 8A to 8D are diagrams showing transition of images displayed on the display unit during the swallowing exercise according to the embodiment.
- FIGS. 9A to 9D are diagrams showing transition of images displayed on the display unit during the swallowing exercise according to the embodiment.
- FIG. 10 is a diagram illustrating an external configuration of the swallowing training apparatus according to the first modification.
- FIG. 11 is a block diagram illustrating a configuration of the swallowing training device according to the first modification.
- FIG. 12 is a diagram illustrating an external configuration of the swallowing training apparatus according to the second modification.
- FIG. 13 is a block diagram illustrating a configuration of the swallowing training device according to the second modification.
- FIGS. 14A and 14B are diagrams illustrating a configuration of an image displayed on the display unit according to the third modification.
- 14C and 14D are diagrams illustrating the configuration of an image displayed on the display unit according to the fourth modification.
- FIG. 15 is a flowchart showing swallowing guidance processing according to the fifth modification.
- FIG. 16 is a flowchart illustrating the determination output process according to the fifth modification.
- 17A to 17D are diagrams illustrating the configuration of an image displayed on the display unit according to the fifth modification.
- FIGS. 18A to 18D are diagrams illustrating the configuration of an image displayed on the display unit according to the sixth modification.
- the present invention is applied to a swallowing training apparatus for training so that swallowing is performed at an ideal timing for breathing.
- aspiration is likely to occur if inhalation is performed immediately before or after swallowing. Therefore, the ideal timing of swallowing with respect to breathing is the timing when both immediately before and immediately after swallowing are included in the expiration period.
- the swallowing training apparatus according to the present embodiment is for training so that the subject can swallow both at the timing when both immediately before and immediately after are included in the expiration period.
- FIG. 1 is a diagram showing an external configuration of a swallowing training apparatus 100 according to the present embodiment.
- the swallowing training device 100 includes a terminal device 110, a nasal cannula 120, and a detection unit 130.
- the terminal device 110 includes a display unit 111 and an input unit 112.
- the terminal device 110 is configured to be small and lightweight so that the subject can easily carry it.
- the subject inputs an instruction to the terminal device 110 through the input unit 112 while confirming the display on the display unit 111.
- the input unit 112 includes buttons, keys, and the like.
- the nasal cannula 120 includes a mounting part 121 having a pair of cylindrical members, and tubes 122 connected to both ends of the mounting part 121.
- the pair of cylindrical members of the mounting portion 121 are inserted into the nasal cavity of the subject, and the other end of the tube 122 is connected to the terminal device 110.
- the detection unit 130 includes a thin and flexible pad 131 and a cable 132.
- the pad 131 is affixed to the subject's larynx.
- FIG. 2 is a block diagram showing a configuration of the swallowing training apparatus 100.
- the terminal device 110 includes a sound output unit 113, a pressure sensor 114, an A / D conversion unit 115, a control unit 116, and a storage unit 117.
- a sound output unit 113 In addition to the display unit 111 and the input unit 112 shown in FIG. 1, the terminal device 110 includes a sound output unit 113, a pressure sensor 114, an A / D conversion unit 115, a control unit 116, and a storage unit 117.
- the sound output unit 113 includes a buzzer and a speaker, and outputs a predetermined sound to the outside under the control of the control unit 116.
- the pressure sensor 114 detects the flow of air guided from the tube 122 of the nasal cannula 120 as a pressure, and outputs the detected analog pressure signal to the A / D converter 115.
- the detection unit 130 includes a sound sensor 131a and a displacement sensor 131b.
- the sound sensor 131 a detects the sound near the subject's larynx and outputs the detected analog sound signal to the A / D converter 115.
- the displacement sensor 131 b detects the deformation of the subject's larynx as a displacement of the hyoid bone, and outputs the detected analog displacement signal to the A / D conversion unit 115.
- the A / D converter 115 samples the pressure signal, the sound signal, and the displacement signal output from the pressure sensor 114, the sound sensor 131a, and the displacement sensor 131b, respectively, and controls digital data corresponding to each sampling signal. To the unit 116.
- digital data obtained by A / D converting pressure signals, sound signals, and displacement signals will be referred to as pressure data, sound data, and displacement data, respectively.
- the control unit 116 controls each unit of the terminal device 110 according to a program stored in the storage unit 117.
- the control unit 116 is provided with functions of a respiration detection unit 116a, a respiration output unit 116b, a swallowing guidance unit 116c, a swallowing detection unit 116d, and a determination output unit 116e by the program stored in the storage unit 117.
- the respiration detection unit 116a performs processing such as noise removal on the pressure data input from the A / D conversion unit 115, and acquires respiration data reflecting the respiration motion of the subject.
- the respiration data is sequentially stored in the storage unit 117.
- the respiration output unit 116b Based on the respiratory data acquired by the respiration detection unit 116a, the respiration output unit 116b includes first operation information indicating whether the current respiration operation belongs to exhalation or inspiration, and exhalation and inspiration Second display information indicating the progress is displayed on the display unit 111.
- the swallowing guidance unit 116c causes the sound output unit 113 to output a sound (trigger) that prompts the subject to swallow at an ideal swallowing timing with respect to the breathing action based on the respiration data acquired by the respiration detecting unit 116a.
- the swallowing detection unit 116d detects swallowing performed by the subject based on the respiration data acquired by the respiration detection unit 116a and the sound data and displacement data input from the A / D conversion unit 115, and swallowing is performed. Information indicating this is displayed on the display unit 111.
- the determination output unit 116e determines whether or not the swallowing detected by the swallowing detection unit 116d is an ideal timing for the breathing motion based on the breathing data. Further, the determination output unit 116e causes the display unit 111 to display the determination result as an image, and causes the sound output unit 113 to output the determination result as sound.
- FIG. 3A is a flowchart showing an output process for outputting various information to the outside during the operation of the swallowing training apparatus 100.
- the processing of S11 and S12 is executed by the respiratory output unit 116b.
- the respiration output unit 116b displays information (first operation information) indicating whether the current respiration operation belongs to exhalation or inspiration based on the respiration data acquired by the respiration detection unit 116a. To display.
- the respiration output unit 116b displays information (second operation information) indicating the progress of expiration and inspiration on the display unit 111 based on the respiration data (S12).
- the swallowing guidance unit 116c executes the swallowing guidance process of S13.
- a trigger that encourages swallowing is given to the subject at a predetermined timing during the breathing motion.
- the swallowing guidance process (S13) will be described later with reference to FIGS. 4B, 5 and 6A, 6B.
- the processing of S11 to S13 is repeatedly executed until the operation of the swallowing training apparatus 100 is completed (S17: YES). Meanwhile, the processes of S14 and S15 are executed by the swallowing detection unit 116d.
- the swallowing detection unit 116d determines whether swallowing has been detected. When swallowing is detected (S14: YES), the swallowing detection unit 116d causes the display unit 111 to display information indicating the occurrence of swallowing in S15.
- the swallowing detection process (S14) will be described later with reference to FIG.
- the determination output process of S16 is executed by the determination output unit 116e in response to detection of swallowing.
- the determination output unit 116e determines whether or not the detected swallowing is appropriate, and outputs the determination result to the outside via the display unit 111 and the sound output unit 113.
- the determination output process (S16) will be described later with reference to FIG.
- FIG. 3B is a flowchart showing swallowing detection processing (S14 in FIG. 4A).
- the swallowing detection unit 116d refers to the respiration data, and determines whether or not the respiration of the subject has stopped for a certain period (for example, 400 msec or more). If the determination in S21 is YES, in S22, the swallowing detection unit 116d determines from the A / D conversion unit 115 whether or not a sound corresponding to the swallowing sound has been detected within the apnea period determined in S21. The determination is made based on the output sound data. Further, in S23, the swallowing detection unit 116d determines whether or not the hyoid bone displacement corresponding to the deformation of the larynx during swallowing is detected within the apnea period determined in S21. The determination is made based on the displacement data output from 115. Only when the determinations in S21 to S23 are all YES, the swallowing detection unit 116d determines in S24 that swallowing has occurred.
- a certain period for example, 400 msec or more
- the detection accuracy of swallowing can be increased by including the determination of S21 in the condition for occurrence of swallowing.
- S22 for example, the frequency analysis of the sound data is performed, and it is determined whether the sound based on the sound data corresponds to the swallowing sound based on the intermittentness and continuity of the sound.
- the detection accuracy of swallowing can be enhanced by determining the presence or absence of swallowing using the intermittent and continuous sounds as parameters.
- the determination in S23 may be omitted. In this case, the displacement sensor 131b is removed from the detection unit 130.
- FIG. 4A is a flowchart showing the determination output process (S16 in FIG. 3A).
- the determination output unit 116e extracts the respiration data for a predetermined period before and after swallowing from the storage unit 117.
- the determination output unit 116e determines whether the timing immediately before and immediately after swallowing detected by the swallowing detection unit 116d is included in the expiration period. If the determination in S32 is YES, the determination output unit 116e acquires a determination result that the swallowing is performed at an ideal timing for breathing in S33. When the determination in S32 is NO, the determination output unit 116e acquires a determination result that the swallowing has not been performed at an ideal timing for breathing in S34.
- the determination output unit 116e causes the display unit 111 to display information based on the acquired determination result. Furthermore, in S36, the determination output unit 116e causes the sound output unit 113 to output sound based on the acquired determination result.
- FIG. 4B is a flowchart showing the swallowing guidance process (S13 in FIG. 3A).
- the swallowing guidance unit 116c refers to the respiratory data and determines whether or not the timing of swallowing guidance has arrived. If the determination in S41 is YES, the swallowing guidance section 116c causes the sound output section 113 to output a sound for prompting the subject to swallow in S42. The swallowing guidance unit 116c repeats the processes of S41 and S43 until the end operation of the training operation is detected in S43.
- an interval is generated from when the subject recognizes the guiding sound until the subject actually swallows.
- this interval is likely to be long, and in particular, the older the subject is, the longer this interval becomes.
- the timing of swallowing guidance is in the first half of the expiration period.
- a guide sound is output from the sound output unit 113 at a predetermined timing in the first half of the expiration period.
- FIG. 5 is a diagram illustrating a method for setting swallowing guidance timing.
- this setting method the timing at which the exhalation in the first half of the exhalation period peaks is set as the timing of swallowing guidance.
- FIG. 5 shows a respiration waveform graph based on respiration data.
- the vertical axis is pressure, and the horizontal axis is time.
- T11, T21, T31, T41, T51, and T61 are timings when exhalation is started.
- T12, T22, T32, T42, T52, and T62 are timings when the exhalation peaks.
- ⁇ T1 to ⁇ T6 are the differences between the timing when exhalation starts and the timing when exhalation peaks.
- the average value ⁇ T of the difference from that time to the timing when the exhalation reaches a peak is based on the difference ⁇ Tn from that time to 5 times before. Predicted.
- the difference Tn is sequentially stored in the storage unit 117.
- an average value ⁇ T of the difference from this timing is obtained by averaging the differences ⁇ T1 to ⁇ T5. Then, the timing when the average time ⁇ T has elapsed from the expiration time T61 is predicted as the timing when the expiration becomes a peak, and at that timing, a guide sound for inducing swallowing is output. Thereafter, similarly, when the start time of exhalation is acquired, a guidance sound is output at the timing when the average value ⁇ T of the difference ⁇ Tn from that time to five times has passed. Thus, the timing of swallowing guidance is set in the first half of the exhalation period, and a guidance sound is output.
- the range of exhalation to be averaged is not limited to exhalation up to 5 times before the current exhalation, but other ranges such as exhalation up to 10 times before the current exhalation May be set.
- the method for obtaining ⁇ T is not limited to averaging, and other methods may be used.
- 6 (a) and 6 (b) are diagrams for explaining another setting method of swallowing guidance timing.
- the timing at which a time ⁇ T ⁇ corresponding to a predetermined ratio ⁇ (for example, 1/3) of the expiration period P1 has elapsed from the start of expiration is set as the timing of swallowing guidance. Also in this case, as in the case of FIG. 5, the average value of the time ⁇ T ⁇ n obtained for each exhalation up to five times before the current exhalation is acquired as the time ⁇ T ⁇ for the current exhalation.
- the timing at which the time ⁇ T ⁇ corresponding to a predetermined ratio ⁇ (for example, 1/8) of the breathing period P2 has elapsed from the start of expiration is set as the timing of swallowing guidance. Also in this case, as in the case of FIG. 5, the average value of the time ⁇ T ⁇ n obtained for each breath up to five times before the current breath is acquired as the time ⁇ T ⁇ for the current breath.
- the timing at which the exhalation peaks is predicted based on the past difference ⁇ Tn. Instead, swallowing is performed at the timing when the exhalation peak is detected based on the exhalation data. Sound may be output. In addition, a guide sound for inducing swallowing may be output immediately after expiration starts.
- FIG. 7 (a) to 9 (d) are diagrams showing transition of images displayed on the display unit 111 by the output process of FIG. 3 (a).
- the screen D1 displays regions R11 and R12 indicating whether the breathing operation is in exhalation or inhalation, regions R21 and R22 indicating the progress of exhalation and inhalation, and occurrence of swallowing and propriety of swallowing A region R31 for performing the operation.
- the first operation information described above is displayed in the regions R11 and R12. Further, the above-described second operation information is displayed by the regions R21 and R22.
- a character “OUT” indicating that the breathing motion is exhalation is written
- a character “IN” indicating that the breathing motion is inspiration is written.
- the background of the region R11 is displayed in a color indicating that it is suitable for swallowing.
- the color indicating that the background of the region R12 is not suitable for swallowing Is displayed.
- the background display color of the region R11 is set to green
- the background display color of the region R12 is set to red.
- the display color of the background of the region R11 may be blue.
- an identifier (bar meter B1) for displaying the strength of expiration is displayed when the breathing motion is exhalation, and in the region R22, when the breathing motion is inspiration, the inspiration of the breathing motion is displayed.
- An identifier for displaying the strength is displayed.
- the bar meter B1 is displayed so as to extend stepwise in the right direction from the boundary between the regions R21 and R22 according to the strength of expiration.
- the bar meter B2 is displayed so as to extend stepwise in the left direction from the boundary between the regions R21 and R22 according to the intensity of inspiration.
- the bar meters B1 and B2 are composed of a plurality of segments arranged in the left-right direction, and the bar meters B1 and B2 expand and contract by controlling lighting of each segment.
- segments are indicated by broken lines in the regions R21 and R22.
- a mark M1 for displaying the occurrence of swallowing is displayed.
- the mark M2 is displayed when the detected timing of swallowing is ideal for respiration, and the mark M3 is displayed when the timing of swallowing is not ideal.
- the background of the region R12 is displayed in red
- the bar meter B2 is displayed in the region R22.
- the bar meter B2 extends in the direction of the broken line arrow according to the inhalation intensity and the inhalation intensity becomes maximum, the state shown in FIG. Thereafter, as the inhalation intensity decreases from the maximum, the bar meter B2 contracts in the direction of the broken line arrow as shown in FIG.
- the screen D1 enters the state shown in FIG. Thereafter, when exhalation proceeds, as shown in FIG. 8B, the background of the region R11 is displayed in green, and the bar meter B1 is displayed in the region R21. If the bar meter B1 extends in the direction of the broken line arrow according to the exhalation intensity and the exhalation intensity becomes maximum, the state shown in FIG. Around this timing, a guidance sound for prompting the subject to swallow is output.
- a mark M1 indicating the occurrence of swallowing is displayed.
- a mark M2 indicating the determination result is displayed.
- a mark M2 indicating that the timing of swallowing was ideal is displayed.
- a sound (first sound) indicating that swallowing was ideal is output.
- the display of the marks M1, M2, and M3 and the output of the guidance sound, the first sound, and the second sound are performed for a predetermined time (for example, about 1 second) that can be confirmed by the subject.
- the screen D1 enters the state shown in FIG. Thereafter, when inhalation proceeds, the background of the region R12 is displayed again in red as shown in FIG. 9B, and the bar meter B2 is displayed in the region R22. If the bar meter B2 extends in the direction of the broken line arrow according to the intensity of inspiration and the intensity of inspiration is maximized, the state shown in FIG. 9C is obtained.
- a mark M1 indicating the occurrence of swallowing is displayed, and further, the suitability of swallowing is determined by the process of FIG. 4 (a). Determined.
- the mark M3 is displayed.
- a sound (second sound) indicating that swallowing was not ideal is output.
- swallowing training is performed on the subject in the same manner.
- the process of FIG. 3A ends, and the display on the display unit 111 ends.
- information (marks M2 and M3) indicating whether or not the swallowing performed by the subject in response to the guidance sound (trigger) was ideal is displayed on the display unit 111 each time swallowing. Is displayed. For this reason, the test subject can confirm at any time during the swallowing training whether or not the swallowing performed by himself / herself was at an ideal timing.
- a speech hearing person or the like can also check at any time whether or not the subject swallowed at an ideal timing during the breathing motion.
- the subject can proceed with swallowing training smoothly and effectively while receiving guidance from himself or a speech auditor.
- the first motion information indicating whether the breathing motion is in exhalation or inspiration is displayed in the regions R11 and R12.
- Second operation information indicating the progress of inspiration is displayed in regions R21 and R22.
- the background color of the region R11 and the background color of the region R12 are set to different colors.
- the subject can intuitively grasp whether the current breathing operation is in exhalation or inhalation by color, and can advance swallowing more smoothly according to the guidance sound (trigger).
- the background color of the region R11 indicating exhalation is set to a color (green) indicating that it is suitable for swallowing, and the background color of the region R12 indicating inspiration is not suitable for swallowing.
- the color shown (red) is set.
- a bar meter B1 indicating the intensity of exhalation is displayed in the area R21
- a bar meter B2 indicating the intensity of inspiration is displayed in the area R22.
- marks M2 and M3 indicating the determination result of swallowing propriety are the first motion information displayed in the regions R11 and R12 and the second motion information displayed in the regions R21 and R22. At the same time, it is displayed on the display unit 111. As a result, the subject proceeds with swallowing training with reference to the first motion information and the second motion information displayed on the display unit 111, and at the same time, the timing of swallowing performed immediately before is ideal. This can be confirmed by the marks M2 and M3 displayed on the display unit 111. Therefore, the test subject can advance swallowing training smoothly and effectively.
- sounds first sound and second sound
- sounds indicating the result of determining whether swallowing is appropriate are output.
- a mark M1 indicating the occurrence of swallowing is displayed on the display unit 111 in response to the detection of swallowing.
- the subject refers to the first motion information and the second motion information displayed on the display unit 111, grasps his / her breathing motion, and at which timing during the breathing motion he / she swallowed himself / herself. Can be confirmed.
- the test subject can confirm whether or not he / she swallowed at an ideal timing each time swallowing, and can further promote swallowing training.
- a guide sound (trigger) is output at a predetermined timing in the first half of the exhalation period.
- the swallowing performed by the subject in response to the guidance sound (trigger) is easily settled during the expiration period. Therefore, the subject can easily perform swallowing at an ideal timing with respect to the breathing action during training.
- swallowing is detected based on the respiration data acquired by the respiration detection unit 116a and the sound data detected by the sound sensor 131a.
- the detection accuracy of swallowing can be increased.
- swallowing is detected in consideration of the displacement data detected by the displacement sensor 131b that detects the displacement of the subject's larynx. For this reason, the detection accuracy of swallowing can be further enhanced.
- the propriety of swallowing is notified by both the display (marks M2, M3) and the sound (first sound, second sound), but the propriety of swallowing is indicated by either the display or the sound. You may be notified.
- the breathing motion of the subject may be indicated by any one of the display of the background color in the regions R11 and R12 and the display of the bar meters B1 and B2 in the regions R21 and R22.
- sound indicating the occurrence of swallowing may be output in response to detection of swallowing.
- FIG. 10 is a diagram illustrating an external configuration of the swallowing training apparatus 100 according to the first modification.
- the detection band 140 is used instead of the nasal cannula 120.
- the detection band 140 is made of a stretchable belt-like member, and includes a stretchable strain sensor 140a inside.
- a detection signal from the strain sensor 140 a is supplied to the terminal device 110 via the cable 141.
- fasteners 140b such as hook-and-loop fasteners are provided.
- the detection band 140 is attached to the subject with both ends joined by the fasteners 140b while being wound around the chest of the subject.
- the strain sensor 140a expands and contracts with the breathing, and a detection signal corresponding to the expansion and contraction is supplied to the terminal device 110. Based on this detection signal, the respiration of the subject is detected.
- FIG. 11 is a block diagram showing a configuration of the swallowing training apparatus 100 according to the first modification.
- the detection signal from the strain sensor 140a is input to the A / D conversion unit 115.
- the A / D converter 115 converts the detection signal input from the strain sensor 140a into digital data.
- the converted digital data becomes respiration data reflecting the respiration of the subject, as in the case of using the nasal cannula 120 of the above embodiment. Based on the respiration data generated in this way, the same processing as in the above embodiment is performed, and the same display and sound output are performed.
- the same effect as that of the above embodiment can be obtained.
- the detection band 140 is attached to the subject instead of the nasal cannula 120, the subject can perform a breathing motion more smoothly during swallowing training. The feeling of strangeness given to the subject can be alleviated. Therefore, the subject can perform swallowing training more smoothly and comfortably.
- FIG. 12 is a diagram illustrating an external configuration of the swallowing training apparatus 100 according to the second modification.
- a thermistor type respiratory detector 150 is used in place of the nasal cannula 120.
- the respiration detector 150 includes a detection unit 151 and a cable 152.
- the detection unit 151 includes two rod-shaped support portions 151a that are inserted into the two nostrils, respectively, and a rod-shaped support portion 151b that extends to the mouth of the subject.
- Temperature sensors 151c are respectively installed at the tips of the two support portions 151a, and temperature sensors 151d (see FIG. 13) are also installed at the tips of the support portions 151b. Detection signals from the temperature sensors 151 c and 151 d are supplied to the terminal device 110 via the cable 152.
- the respiratory detector 150 is attached to the subject in the same manner as the nasal cannula 120.
- exhalation and a detection signal corresponding to the inhalation are supplied to the terminal device 110.
- the temperature detected by the temperature sensor 151c or the temperature sensor 151d is increased by the breath released from the body, and in the inhalation period, the air taken into the body from the outside, The temperature detected by the temperature sensor 151c or the temperature sensor 151d decreases. This change in temperature is reflected in detection signals from the temperature sensor 151c and the temperature sensor 151d. Based on this detection signal, the respiration of the subject is detected.
- FIG. 13 is a block diagram showing a configuration of the swallowing training device 100 according to the second modification.
- detection signals from the temperature sensors 151c and 151d are input to the A / D converter 115.
- the A / D converter 115 converts the detection signals input from the temperature sensors 151c and 151d into digital data.
- the converted digital data becomes respiration data reflecting the respiration of the subject, as in the case of using the nasal cannula 120 of the above embodiment.
- processing similar to that in the above embodiment is performed based on the respiration data generated in this way, and similar display and audio output are performed. Therefore, also in the modified example 1, the same effect as the above-described embodiment can be achieved.
- FIGS. 14A and 14B are diagrams illustrating the configuration of the screen D1 displayed on the display unit 111 according to the third modification.
- the color of the bar meter B1 is set to the same green as the background color of the region R21
- the color of the bar meter B2 is set to the same red as the background color of the region R22. Is set.
- the subject since not only the background colors of the regions R11 and R12 but also the colors of the bar meters B1 and B2 are set to green and red, respectively, the subject more clearly calls his / her breathing motion. You can know whether you are in breath or inspiration. Therefore, the subject can proceed with swallowing training so as to perform swallowing more effectively at an ideal timing for breathing.
- the display of the background colors of the regions R11 and R12 may be omitted, or the background colors of the regions R11 and R12 may be omitted.
- the same color may be used.
- the subject can grasp his / her breathing movement more clearly. it can.
- ⁇ Modification 4> 14C and 14D are diagrams illustrating the configuration of the screen D1 displayed on the display unit 111 according to the modification example 4.
- the swallowing timing in the breathing motion is displayed to the subject by adjusting the display of the segment group constituting the bar meters B1 and B2. More specifically, among the segment group displayed in the regions R21 and R22 at the timing when swallowing is detected, the segment that is farthest from the boundary of the regions R21 and R22 has a color different from the other segments in a certain period (for example, Displayed for about 1 second).
- swallowing is detected at the timing when the bar meter whose segment at the right end is the segment B11 is displayed in the region R21.
- the state of exhalation at the present time is indicated by the length and moving direction of the bar meter B1 (excluding the segment B11) currently displayed in the region R21.
- swallowing is detected at the timing when the bar meter whose segment at the left end is the segment B21 is displayed in the region R21.
- the current state of inspiration is indicated by the length and moving direction of the bar meter B2 (excluding the segment B21) currently displayed in the region R22.
- the timing of swallowing performed by the subject immediately before can be confirmed by displaying the segments B11 and B21. Therefore, the subject can proceed with swallowing training more effectively while sequentially clearly confirming the timing of swallowing with respect to breathing.
- the color of the bar meter B1 displayed in the region R21 is changed between the first half and the second half of the expiration period.
- the color of the bar meter B1 is set to green
- the color of the bar meter B1 is set to yellow
- the color of the bar meter B2 is set to red.
- the subject is given a swallowing trigger by adjusting the colors of the bar meters B1 and B2. That is, the period during which the bar meter B1 is displayed in green (the first half of the expiration period) is the best period for swallowing.
- the bar meter B1 is displayed in green, the subject receives a swallowing trigger and is induced to swallow.
- the period during which bar meter B1 is displayed in yellow is a period during which there is a risk of inspiration after swallowing, and the period during which bar meter B2 is displayed in red (inhalation period) is suitable for swallowing There are no periods (high risk of aspiration).
- the average value of the expiration period P1 (see FIG. 6A) obtained for each expiration up to five times before the current expiration is acquired as the expiration period for the current expiration.
- the period from when the start of exhalation is detected until the half period of this average has elapsed is set to the first half of the exhalation period, and the period from the end of the first half to the end of exhalation is the period of the exhalation period. Set in the second half.
- FIG. 15 is a flowchart showing swallowing guidance processing according to the fifth modification.
- the swallowing guidance unit 116c determines whether or not the current breathing motion is included in the first half of the expiration period based on the breathing data. When the determination in S51 is YES, the swallowing guidance unit 116c sets the color of the bar meter B1 to green in S52. When the determination in S51 is NO, the swallowing guidance unit 116c determines in S53 whether or not the current breathing motion is included in the second half of the expiration period. If the determination in S53 is YES, the swallowing guidance section 116c sets the color of the bar meter B1 to yellow in S54. If the determination in S53 is NO, the swallowing guidance section 116c sets the color of the bar meter B2 to red in S55. The swallowing guidance unit 116c repeats the processes of S51 to S55 until it is determined in S56 that a swallowing training end operation has been input.
- FIG. 16 is a flowchart showing a determination output process according to the fifth modification.
- S33 in the flowchart of FIG. 4A is replaced with S37 to S39.
- the determination output unit 116e further includes both immediately before and immediately after swallowing in the first half of the expiration period in S37. It is determined whether or not.
- the determination output unit 116e acquires a determination result that the swallowing is performed at the most ideal timing for breathing in S38.
- the determination output unit 116e acquires a determination result that the swallowing is performed at an ideal timing for breathing in S39.
- the determination output unit 116e acquires a determination result that the swallowing has not been performed at an ideal timing for breathing in S34.
- the determination output unit 116e performs display based on the determination result.
- FIGS. 17A to 17D are diagrams showing the configuration of the screen D1 displayed on the display unit 111 according to the fifth modification.
- the region R31 includes a mark M4 indicating that the swallowing is the most ideal, but also a mark M4 indicating that the swallowing is the most ideal, in addition to the mark M2 indicating that the swallowing is the most ideal.
- the mark M3 is a mark indicating that swallowing is not appropriate.
- the bar meter B2 is displayed in red in the region R22 in the same manner as the background color of the region R12.
- the mark M1 and the mark M3 are displayed in the region R31.
- the bar meter B1 is displayed in green in the region R21 in the same manner as the background color of the region R11.
- the mark M1 and the mark M2 are displayed in the region R31 as shown in FIG.
- the bar meter B1 is displayed in yellow different from the background color of the region R11 in the region R21.
- the mark M1 and the mark M4 are displayed in the region R31.
- the color of the bar meter B1 is set to green in the first half of the exhalation period where the timing of swallowing is most ideal, and the color of the bar meter B1 is set to yellow in the other exhalation periods Is done.
- the subject can grasp his / her breathing motion from the bar meters B1 and B2 (second motion information) and can simultaneously receive a swallowing trigger by the color of the bar meter B1.
- the subject can grasp whether or not his / her swallowing was performed at the most ideal timing by using the marks M2 and M4.
- FIGS. 18A to 18D are diagrams showing the configuration of the screen D1 displayed on the display unit 111 according to Modification 6.
- the regions R21 and R22 are replaced with the region R23.
- the respiration output unit 116b displays an image in which the respiration waveform B3 of the subject is superimposed on the straight line L1 that separates exhalation and inspiration in the region R23.
- the breathing waveform B3 transitions with the subject's breathing motion.
- the swallowing detection unit 116d displays a mark S1 that indicates the timing at which swallowing is detected with a broken line, superimposed on the respiratory waveform B3.
- the mark S1 also changes with the respiratory waveform B3 along with the subject's breathing motion.
- a mark M5 for inducing swallowing is displayed instead of the mark M1 indicating the occurrence of swallowing.
- the swallowing guidance unit 116c displays the mark M5 in the region R31 at the swallowing guidance timing.
- the mark M5 continues to be displayed in the entire period from the start of expiration to the end of the first half of the expiration period.
- the marks M2 to M4 are displayed by the same processing as in the case of FIGS.
- a mark M5 is displayed in response to the start of exhalation. Thereby, swallowing is guided to the subject. As shown in FIG. 18D, when the first half of the expiration period ends, the mark M5 is not displayed. When the subject performs swallowing in the second half of the exhalation period, as shown in FIG. 18 (d), a mark S1 indicating the timing of swallowing is displayed over the respiration waveform B3, and a mark M4 is further displayed in the region R31. .
- the subject since the respiration waveform B3 is displayed, the subject can easily grasp his / her respiration state along with the respiration transition, and can easily adjust swallowing to the swallowing induction trigger (display of the mark M5). . Therefore, the test subject can smoothly advance swallowing training.
- respiration may be detected by other methods. For example, you may make it detect respiration with a test subject's breathing sound.
- the swallowing induction sound may be a monotonous sound such as a buzzer sound, or a word prompting swallowing may be output by voice.
- the 1st sound which notifies that swallowing is appropriate is an audio
- the first sound and the second sound may also be sounds for notifying the propriety of swallowing in words.
- the contents and layout of the screen D1 are not limited to the above.
- the breathing state may be displayed by the rotation of the pointer.
- exhalation and inhalation may be notified by sound similar to exhalation sound and inspiration sound, or other sounds.
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Abstract
Description
本実施の形態によれば、以下の効果が奏され得る。
図10は、変更例1に係る嚥下訓練装置100の外観構成を示す図である。
図12は、変更例2に係る嚥下訓練装置100の外観構成を示す図である。
上記実施の形態では、図7(a)~図9(d)に示す画面D1の表示において、領域R21、R22に表示されるバーメータB1、B2の色が同じ色に設定されたが、バーメータB1、B2の色は、領域R11、R12と同様、互いに異なる色であってもよい。
図14(c)、(d)は、変更例4に係る表示部111に表示される画面D1の構成を示す図である。
変更例5では、呼息期間の前半と後半とで、領域R21に表示されるバーメータB1の色が変えられる。呼息期間の前半では、バーメータB1の色が緑色に設定され、呼息期間の後半では、バーメータB1の色が黄色に設定される。吸息期間は全期間において、バーメータB2の色が赤色に設定される。
図18(a)~(d)は、変更例6に係る表示部111に表示される画面D1の構成を示す図である。
呼吸の検出方法を実施の形態とともに変更例1、2において説明したが、さらに他の方法により呼吸を検出してもよい。たとえば、被験者の呼吸音により呼吸を検出するようにしても良い。
111 … 表示部
113 … 音出力部
114 … 圧力センサ(呼吸検出部)
116 … 制御部
116a … 呼吸検出部
116b … 呼吸出力部
116c … 嚥下誘導部
116d … 嚥下検出部
116e … 判定出力部(嚥下判定部、結果出力部)
120 … 鼻カニューレ(呼吸検出部)
131a … 音センサ(音検出部)
131b … 変位センサ(変位検出部)
140 … 検出バンド(呼吸検出部)
140a … 歪みセンサ
150 … 呼吸検出器(呼吸検出部)
151c、151d … 温度センサ(呼吸検出部)
B1、B2 … バーメータ(標示子)
Claims (15)
- 嚥下訓練のための嚥下訓練装置において、
被験者の呼吸動作を検出するための呼吸検出部と、
前記呼吸検出部からの検出結果に基づいて嚥下誘導のためのトリガを前記被験者に与える嚥下誘導部と、
被験者により嚥下がなされたことを検出するための嚥下検出部と、
前記嚥下検出部により検出された嚥下が前記呼吸検出部により検出された呼吸動作に対して適正なタイミングであったか否かを判定する嚥下判定部と、
前記嚥下判定部により判定がなされたことに応じて判定結果を示す情報を外部に出力する結果出力部と、を備える、
ことを特徴とする嚥下訓練装置。
- 請求項1に記載の嚥下訓練装置において、
前記呼吸検出部からの検出結果に基づいて前記被験者の呼吸動作を示す情報を外部に出力する呼吸出力部をさらに備える、
ことを特徴とする嚥下訓練装置。
- 請求項2に記載の嚥下訓練装置において、
情報を表示するための表示部をさらに備え、
前記呼吸出力部は、前記呼吸動作が呼息と吸息の何れにあるかを示す第1の動作情報と、呼息および吸息の進行状況を示す第2の動作情報とを、前記呼吸動作を示す情報として、前記表示部に表示させる、
ことを特徴とする嚥下訓練装置。
- 請求項3に記載の嚥下訓練装置において、
前記呼吸出力部は、前記第1の動作情報および前記第2の動作情報の少なくとも一方の表示を、前記呼息の場合と前記吸息の場合とで相違させる、
ことを特徴とする嚥下訓練装置。
- 請求項4に記載の嚥下訓練装置において、
前記呼吸出力部は、前記第1の動作情報および前記第2の動作情報の少なくとも一方の表示の色を、前記呼息の場合と前記吸息の場合とで相違させる、
ことを特徴とする嚥下訓練装置。
- 請求項5に記載の嚥下訓練装置において、
前記呼吸出力部は、前記呼息の場合の前記表示の色を緑色に設定し、前記吸息の場合の前記表示の色を赤色に設定する、
ことを特徴とする嚥下訓練装置。
- 請求項3ないし6の何れか一項に記載の嚥下訓練装置において、
前記呼吸出力部は、前記第2の動作情報として、呼息の強さを第1の方向に変化する標示子で前記表示部に表示させ、吸息の強さを前記第1の方向と反対の第2の方向に変化する標示子で前記表示部に表示させる、
ことを特徴とする嚥下訓練装置。
- 請求項3ないし6の何れか一項に記載の嚥下訓練装置において、
前記呼吸出力部は、前記第2の動作情報として、呼息と吸息を区分する直線に呼吸の波形を重ねた画像を前記表示部に表示させる、
ことを特徴とする嚥下訓練装置。
- 請求項3ないし8の何れか一項に記載の嚥下訓練装置において、
前記結果出力部は、嚥下適否の判定結果を、前記第1の動作情報および前記第2の動作情報とともに、前記表示部に表示させる、
ことを特徴とする嚥下訓練装置。
- 請求項9に記載の嚥下訓練装置において、
音を出力するための音出力部をさらに備え、
前記結果出力部は、嚥下適否の判定結果を示す音を前記音出力部に出力させる、
ことを特徴とする嚥下訓練装置。
- 請求項3ないし10の何れか一項に記載の嚥下訓練装置において、
前記嚥下検出部が前記嚥下を検出したことに応じて嚥下の発生を示す情報を前記表示部に表示させる嚥下出力部をさらに備える、
ことを特徴とする嚥下訓練装置。
- 請求項1ないし11の何れか一項に記載の嚥下訓練装置において、
前記嚥下誘導部は、呼息期間前半の所定のタイミングにおいて前記トリガを前記被験者に与える、
ことを特徴とする嚥下訓練装置。
- 請求項3ないし11の何れか一項に記載の嚥下訓練装置において、
前記嚥下誘導部は、呼息期間中の理想的な嚥下期間における前記第2の動作情報の表示形態をその他の呼吸期間の表示形態に対して相違させることにより、前記トリガを前記被験者に与える、
ことを特徴とする嚥下訓練装置。
- 請求項1ないし13の何れか一項に記載の嚥下訓練装置において、
前記被験者の喉頭部の音を検出する音検出部を備え、
前記嚥下検出部は、前記呼吸検出部により検出された呼吸情報と前記音検出部により検出された音情報とに基づいて前記嚥下を検出する、
ことを特徴とする嚥下訓練装置。
- 請求項14に記載の嚥下訓練装置において、
前記被験者の喉頭部の変位を検出する変位検出部をさらに備え、
前記嚥下検出部は、前記呼吸検出部により検出された呼吸情報と、前記音検出部により検出された音情報と、前記変位検出部により検出された変位情報とに基づいて前記嚥下を検出する、
ことを特徴とする嚥下訓練装置。
Priority Applications (8)
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JP2018524711A JP6792846B2 (ja) | 2016-07-01 | 2016-07-01 | 嚥下訓練装置 |
KR1020197000927A KR102217155B1 (ko) | 2016-07-01 | 2016-07-01 | 연하 훈련 장치 |
SG11201900019VA SG11201900019VA (en) | 2016-07-01 | 2016-07-01 | Swallowing training apparatus |
CN201680087213.XA CN109414371B (zh) | 2016-07-01 | 2016-07-01 | 吞咽训练装置 |
EP16907360.8A EP3479811A4 (en) | 2016-07-01 | 2016-07-01 | SWALLOW EXERCISE DEVICE |
PCT/JP2016/069723 WO2018003127A1 (ja) | 2016-07-01 | 2016-07-01 | 嚥下訓練装置 |
TW106120345A TWI653039B (zh) | 2016-07-01 | 2017-06-19 | 吞嚥訓練裝置 |
US16/232,222 US20190125243A1 (en) | 2016-07-01 | 2018-12-26 | Swallowing training apparatus |
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PCT/JP2016/069723 WO2018003127A1 (ja) | 2016-07-01 | 2016-07-01 | 嚥下訓練装置 |
Related Child Applications (1)
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US16/232,222 Continuation US20190125243A1 (en) | 2016-07-01 | 2018-12-26 | Swallowing training apparatus |
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US (1) | US20190125243A1 (ja) |
EP (1) | EP3479811A4 (ja) |
JP (1) | JP6792846B2 (ja) |
KR (1) | KR102217155B1 (ja) |
CN (1) | CN109414371B (ja) |
SG (1) | SG11201900019VA (ja) |
TW (1) | TWI653039B (ja) |
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KR102437655B1 (ko) | 2020-09-10 | 2022-08-29 | (재)예수병원유지재단 | 후드 강화를 위한 텐션형 훈련장치 |
WO2024177517A1 (en) * | 2023-02-22 | 2024-08-29 | Swallowing Technologies Limited | A wearable device, a method, and a system for providing a swallowing exercise and for providing feedback during a swallowing exercise |
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TWI653039B (zh) | 2019-03-11 |
CN109414371A (zh) | 2019-03-01 |
TW201803538A (zh) | 2018-02-01 |
JP6792846B2 (ja) | 2020-12-02 |
JPWO2018003127A1 (ja) | 2019-04-18 |
SG11201900019VA (en) | 2019-02-27 |
EP3479811A1 (en) | 2019-05-08 |
KR102217155B1 (ko) | 2021-02-18 |
US20190125243A1 (en) | 2019-05-02 |
CN109414371B (zh) | 2021-07-09 |
EP3479811A4 (en) | 2020-02-26 |
KR20190017944A (ko) | 2019-02-20 |
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