JPS60168465A - Asthma fit control method and apparatus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] The present invention relates to a method and apparatus for suppressing asthma attacks.

In humans, information from various receptors in the respiratory system enters the central nervous system, and the breathing rhythm is controlled by the central nervous system. It is also carried out by motor nerve reflexes from the dorsal spinal cord.

In other words, when a person breathes, various receptors in the respiratory system act as sensors to optimize breathing movements, whether consciously or unconsciously. The cause of asthma attacks is thought to be a reflex response caused by abnormal excitation of these receptors.

Therefore, in order to suppress asthma attacks, drugs are administered to suppress the hypersensitive response of the receptors, and bronchodilators are administered to suppress the airway constriction that occurs during an attack. However, all of these drugs tend to be addictive and have side effects9, which limits their frequent use. During a severe seizure, the amount of medication needed to suppress the attack increases, which poses a problem.

There are various causes of asthma attacks, but once an attack is triggered, the attack continues even if the cause is removed.

This is because once the overly sensitive receptors are stimulated and excited, the rhythm of breathing is disrupted and you feel extremely suffocated, causing you to gasp for air. will continue to do so.

The inventor investigated this suffocation problem and repeatedly conducted various experiments and prototypes, and the following results were obtained.

In other words, during a seizure, the excitement of each muscle spindle, which is a receptor in the intercostal muscles that perform respiratory movements, increases.

The intercostal muscles that perform self-intention are located between the 2nd and 3rd intercostals, and the intercostal muscles that perform exhalation are located between the 7th and 9th intercostals, and the muscle spindles in both of these intercostal muscles are greatly excited.

The excitation of the muscle spindle is transmitted to the dorsal spinal cord via the cardiac nerve, and the excitation is transmitted to the motor nerve by the α motor neuron in the dorsal spinal cord, increasing the contraction of the muscle with the excited muscle spindle. In other words, the excitation of muscle spindles causes muscle contraction by reflex from the dorsal spinal cord, causing continuous muscle contraction and making breathing difficult.

Furthermore, the excitation of muscle spindles is transmitted to the dorsal spinal cord and also to the central nervous system. The respiratory rhythm is controlled centrally, and it is only necessary to transmit the excitement of the muscle spindles in each intercostal muscle during exhalation, which is synchronized with this, but during a seizure, each muscle spindle transmits continuous excitement. The patient will feel extremely breathless due to the movement of the respiratory intercostal muscles that do not match the breathing rhythm.

The cause of breathlessness is that the central nervous system senses that the excitement accompanying the contraction of the inspiratory and expiratory muscles, which does not match the breathing rhythm, is transmitted to the central nervous system, and that the central nervous system detects that a reaction that does not follow the control system is taking place. It is judged when it is felt. For this reason, it is thought that by synchronizing the excitation of muscle spindles in the intercostal muscles of consciousness and exhalation with the breathing rhythm, it is possible to stop the shortness of breath during an attack. Muscle spindles are called vibration receptors, and are excited by movements associated with muscle contraction and extension. Taking advantage of this property, it is possible to excite muscle spindles by applying mechanical vibration stimulation from the body surface.

This is a tonic vibration reflex.
nRef Iex 2 TVR) is called tail.

During inspiration, this type of vibration stimulation stimulates the second intercostal muscle.
- It is sufficient to add it to the muscle spindle of the third intercostal muscle, and during expiration, to the muscle spindle of the seventh to ninth intercostal muscles, which are expiratory intercostal muscles. Muscle contraction occurs reflexively due to the excitation of muscle spindles, but the muscle stretches as a result of the contraction of opposing muscles. In other words, when we stimulate the spindles of our involuntary muscles and the spindles of our expiratory muscles in synchronization with the breathing rhythm, the muscles that resist, the intercostal muscles of our will and the intercostal muscles of expiration, contract weakly during the period when they are not stimulated. In the middle part, a change occurs in which muscle contraction is strengthened, and muscle contraction and muscle extension occur rapidly in synchronization with the breathing rhythm. When breathing becomes normal, the excitement of muscle spindles synchronized with consciousness is transmitted in the central nervous system, which is unlike what we felt before. The unsightliness that had been associated with it disappeared, and my asthma attacks were suppressed.

As a result of the experiment, the vibration frequency of the vibration stimulation applied to the muscle spindle was 10.
It was found that around Hz is suitable.

In view of the above points, the present invention provides vibrational stimulation of the voluntary costal muscle spindles located in the voluntary intercostal muscles during inhalation, and the expiratory articulation spindles located within the expiratory intercostal muscles during exhalation in synchronization with breathing. This invention also includes a respiratory transducer, and a method for converting changes in inhalation and exhalation into electrical signals as square waves of different polarity with respect to the respiratory flow rate of the respiratory transducer. and an output switch for switching the oscillator output according to the polarity of the square wave signal from the flowmeter, and the oscillation output of the oscillator is applied alternately by switching the output switch.

This is an asthma attack suppressing device characterized in that it is equipped with a vibrator for generating vibratory stimulation and a vibrating vibrator for exhalation so as to apply vibrational stimulation in synchronization with breathing.

Next, the present invention will be described in detail with reference to the figures.

FIG. 1 is a configuration circuit block diagram showing an outline of the device of the present invention, FIGS. 2a and 2b are a vertical cross-sectional view and an oblique view of the blade shaker according to the present invention, and FIG. 3 is a modified version of FIG. A simplified diagram showing how the shaker is mounted, and FIGS. 4A to 4D are timing charts.

6- First, to explain Fig. 1, 1 is a respiratory flow rate transducer, that is, a converter for measuring changes in the patient's breathing.
It is worn to cover the patient's face, especially the mouth. This is a flow meter for converting the respiratory flow rate of the respiratory flow rate transducer 1 into an electrical signal, and within this flow meter 2 changes in inhalation and exhalation are converted into square waves of different polarity. Since there is no need to specify the polarity of diffused air and exhaled air, in one embodiment, exhaled air is considered to have a (+) polarity, and intake air is considered to have a (-) polarity.

Further, 5 is an oscillator for generating vibration waves for stimulation.

4 is an oscillator 5 according to the polarity of the square wave signal from the flowmeter 2.
This is an output switch for switching the output of the

Reference numerals 5 and 6 indicate a heating device and a breath exciter, respectively, and in one practical example, they are constructed from commercially available small speakers and convert electrical signals into mechanical vibration waves.

FIG. 2 particularly shows the structure of these heaters 5.6, in which a is a sectional view and b is a perspective view. In the figure, 7 is a small speaker that converts electrical signals into mechanical vibration waves, and 8.8'
9 is a signal input line that enters from the output switch 4, and 9 is an adhesive for fixing the skin surface 10 of a human body as an object to be tested and the vibrator 5 or 6, which may be a disposable circular tape.
In addition, for actual use, I prepared 5 and 2 vibrators.

It is preferable to use the breather 6 by attaching it to the chest wall surface of the human body 10, as shown in FIG. FIG. 4 is a chart for driving each vibrator 516, where A shows the change in the patient's respiratory flow rate, with exhalation polarity (+) and inspiration polarity (-).
) Displayed as polarity.

B is the output of the flowmeter 2 and indicates the drive signal of the output switching device 4. Further, C indicates the vibration operating state of the vibrator 5 prepared by us,
D shows the vibration operating state of the exhalation exciter 6. In this way, it is possible to vibrationally stimulate the inward intercostal costal muscle spindles and the expiratory intercostal costal muscle spindles in synchronization with the patient's breathing. In use, when the breathing transducer 1 is placed in the mouth and the device is turned on, the flow meter 2 converts it into an electrical signal and then converts it into a square wave with a different polarity depending on the inhalation and exhalation. Then, the output of the oscillator 5 is applied to the exciter 5 through the signal input line 8.

The vibration shown in Fig. 4C is applied to the muscle spindles in the intercostal muscles, and in the case of expiration, the output of the oscillator 5 is transmitted through the signal input line 8' by switching the output converter 4 to the exhalation exciter 6. give the fourth
The imaging shown in Figure d can be applied to the muscle spindles in the intercostal muscles of expiration, and the muscle spindles in the intercostal muscles of expiration and the muscle spindles in the intercostal muscles of expiration can be alternately stimulated by vibration in synchronization with the patient's breathing. can. Therefore, the excitement of the muscle spindles that occurs in synchronization with breathing is transmitted to the central nervous system, which issues commands to cause breathing movements, and when the information from peripheral muscle spindles is matched to the central command to breathe out, the feeling of breathlessness disappears. However, it can act to calm down all opinions.

In addition, the excitement of this muscle spindle increases the motor nerve reflex from the dorsal spinal cord and promotes muscle contraction, resulting in deep and slow breathing, which returns the gasping breathing during asthma to normal breathing and suppresses asthma attacks. can do.

[Brief explanation of the drawing]

9- Fig. 1 is a schematic block circuit configuration diagram of an embodiment of the device of the present invention, Figs. 2 a and b are side cross sections of the exciter in Fig. 1,
The perspective view, 3rd @ is a schematic diagram when the vibrator is attached to a human body, and 4th figures A, B, O, and D are time charts of electric signal waveforms. In the figure, 1 is a transducer, 2 is a flowmeter, 3 is an oscillator,
4 is an output switch, 5 is a vibration exciter, and 6 is a breath vibration exciter. -10- Za → - Button Kuni Senba 1 (G) ○ Written amendment to oral proceedings (spontaneous) March 7, 1980 Mr. Kazuo Wakasugi, Commissioner of the Patent Office 1, Indication of the case, 1989 Patent Application No. 24788 2, Name of the invention: Method for suppressing sudden seizures and relation to the case involving the person who corrects the suppression device 3 Patent applicant address (residence) 5-15-11 Shinkitano, Yodoyo-ku, Osaka Name (name) Representative director of Minato Medical Science Co., Ltd. Kensho Minato 4, agent residence: 2-4-9 Toranomon, Minato-ku, Tokyo, Showa
Day 6: Scope of Claims of the Specification Subject to Amendment Column of Detailed Description of the Invention of the Specification Contents of the Amendment (1) The claims of the present application are amended as shown in the attached sheet. (2) In the present specification, page 3, lines 15 and 16, page 4, line 1, page 9, line 14, "dorsal spinal cord" is corrected to "wo marrow." (3) ``Unsightly [-'', line 14, page 5] is corrected to ``Difficulty breathing LJ.'' (4) ``Muscle,'' the last line of page 5, is corrected to ``muscle.'' (5) On page 6, line 6, "flow meter" is corrected to "flow meter." (6) On page 7, lines 15 and 16, “heater” was changed to “7J1”.
1 shake machine”. (7) ``Wading spindle'' on page 9, line 11 is corrected to ``swivel spindle.'' Scope of Patent Claims (1) Vibration stimulation can be applied to the voluntary costal muscle spindles in the voluntary intercostal muscles when breathing, and to the expiratory costal muscle spindles in the expiratory intercostal muscles during exhalation, in synchronization with breathing. A method for suppressing sudden seizures characterized by: (2) A respiratory transducer, a flowmeter and an oscillator for converting changes in the respiratory flow rate of the respiratory transducer between inhalation and exhalation into electrical signals as square waves with different polarities, and the polarity of the square wave signal from the flowmeter. It is equipped with an output switching device for switching the oscillator output according to the output switching device, and a self-control exciter and a breathing camera for generating vibration stimulation by alternately applying the oscillation output of the oscillator by switching the output switching device. A total motion suppression device characterized by applying vibration stimulation in synchronization with breathing.

Claims (2)

[Claims] (1) The inspiratory muscle spindles in the inspiratory intercostal muscles during intentional stimulation and the expiratory muscle spindles in the expiratory intercostal muscles during exhalation can be stimulated in synchronization with breathing. A distinctive method for suppressing asthma attacks. (2) A respiratory transducer, a rheometer and an oscillator for converting changes in the respiratory flow rate of the respiratory transducer between inhalation and exhalation into electrical signals as square waves with different polarities, and the polarity of the square wave signal from the flowmeter. an output switcher for switching the oscillator output according to An asthma attack suppressing device characterized by being equipped with the device to generate vibration stimulation in synchronization with breathing.