JP2006102181A - Blood pressure measuring device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve problems that however it has been hard to effectively process when a blood pressure measuring device has not a means for processing the result measuring living body information such as a pulsation, a pulse wave, a cardioelectricity, a blood pressure, it is needed to make it easy to mount a sensor part on a human body in a blood pressure measuring device continuously measuring a blood pressure, in particular it is needed to reduce the size and weight of a sensor to mount the sensor part on the auricle of ear. <P>SOLUTION: In the blood pressure measuring device, the sensor part measuring the blood pressure and a body part including a driving system controlling the sensor and an arithmetic processing system for measuring the blood pressure are separated, and the sensor part and the body part are connected electric cables and hollow tubes. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a blood pressure measurement device that measures blood pressure with a part of a subject, particularly with an auricle.

  With the progress of aging, the response to lifestyle-related diseases such as hypertension in adults has become a major social issue. It is recognized that continuous collection of long-term blood pressure data is very important, especially for diseases related to high blood pressure.

  From such a viewpoint, a measuring apparatus that continuously measures biological information such as blood pressure has been developed. As a blood pressure measuring device generally used conventionally, there is a blood pressure measuring device that measures by wrapping a cuff around the upper arm, but in this case, the device is large and is not suitable for continuous measurement ( For example, see Patent Document 1.)

  Moreover, as an apparatus to be mounted on the ear canal, there is an emergency information apparatus that includes wireless communication means and includes an arterial blood oxygen saturation sensor, a body temperature sensor, an electrocardiogram sensor, and a pulse wave sensor (see, for example, Patent Document 2). ).

On the other hand, with regard to blood pressure measurement, blood pressure measurement devices based on blood vessel pulsation waveforms are prominent along with other methods such as cuff vibration method and volume compensation method (see Non-Patent Document 1, for example). It is recognized as a method for measuring blood pressure. In the present specification, the names of the outer ears are based on Non-Patent Documents 2 and 3.
JP-A-9-128203 JP-A-11-128174 Kenichi Yamakoshi, Tatsuo Togawa, “Biosensor and Measuring Device”, MM Japan Society / ME textbook series A-1, pages 39-52 Sobotta Illustrated Human Anatomy Volume 1 (Translation by Michio Okamoto), p. 126, Medical School, issued October 1, 1996 The Atlas of Human Body, p. 20, Kodansha Co., Ltd., published on January 29, 2004, 35th edition

  In the above conventional example, Japanese Patent Laid-Open No. 9-128203, infrared light irradiated on a living body or scattered light obtained by scattering visible light by the living body is received to measure biological information such as pulse, pulse wave, electrocardiogram, blood pressure, etc. However, it does not have means for efficiently processing the measured biological information. Furthermore, in the above-described conventional example, various sensors, a wireless transmission unit, a battery, and the like are mounted in the ear canal, but the feasibility is unknown from the viewpoint of size. For example, in a blood pressure measurement device that continuously measures blood pressure, it is necessary to make it easy to attach the sensor part to the human body. In particular, in order to attach the sensor part to the auricle, the sensor is reduced in size and weight. Planning is an issue.

  In order to solve the above problems, in the blood pressure measurement device of the present invention, a sensor part for measuring blood pressure is separated from a main body part including a driving system for controlling the sensor and a calculation processing system for blood pressure measurement, The main body portion is connected by an electric cable and a hollow tube. With this configuration, the sensor part can be easily attached to the human body. In particular, when the sensor portion is attached to the auricle, the sensor can be reduced in size and weight, and a blood pressure measurement device that enables continuous blood pressure measurement can be provided.

  Specifically, the present invention includes a pulse wave sensor that measures a pulse wave of a subject, a cuff that presses a part of the subject, and a holding mechanism that holds the pulse wave sensor and the cuff on the subject. , A pressure pump for supplying air to the cuff, a pressure reducing valve for limiting the amount of air exhausted from the cuff, a pressure sensor for measuring the pressure inside the cuff, and the pressurization An electronic circuit that controls the supply of pump air and the amount of air discharged from the pressure reducing valve, and calculates the blood pressure of the subject from the magnitude of the pulse wave measured by the pulse wave sensor at the pressure measured by the pressure sensor; A blood pressure calculation processing unit comprising: a display circuit for displaying a result calculated by an electronic circuit; and a battery for supplying power to the pulse wave sensor, the pressurizing pump, the pressure reducing valve, the electronic circuit, and the display circuit. A blood pressure measuring device comprising: The cuff of the blood pressure measurement unit and the pressurization pump, the pressure reducing valve, and the pressure sensor of the blood pressure calculation processing unit are connected by a hollow tube, and the pulse wave sensor of the blood pressure measurement unit and the blood pressure calculation processing unit The blood pressure measuring device is characterized in that the electronic circuit is connected by an electric cable, and the pulse wave sensor of the blood pressure measuring unit and the battery of the blood pressure calculation processing unit are connected by an electric cable.

  The present invention reduces the burden on the subject by attaching a small and lightweight blood pressure measurement unit to the blood pressure measurement part of the subject and attaching a relatively large blood pressure calculation processing unit to the waist of the subject. Blood pressure can be measured stably and continuously.

  In the present invention, the pulse wave sensor includes: a light emitting element that irradiates light to the subject; and a light receiving element that detects light irradiated by the light emitting element that is scattered by the subject or transmitted through the subject. May be.

  According to the present invention, since the pulse wave sensor can detect a pulse wave with high accuracy, blood pressure can be measured with high accuracy.

  In the present invention, the pulse wave sensor includes an ultrasonic wave generating element that irradiates an object with ultrasonic waves, and an ultrasonic wave that is irradiated by the ultrasonic wave generating element is scattered by the object or transmitted through the object. You may have an ultrasonic receiving element to detect.

  According to the present invention, since the pulse wave sensor can detect a pulse wave with high accuracy, blood pressure can be easily measured with high accuracy.

  In the present invention, the pulse wave sensor may include a vibration sensor that detects vibration from a subject.

  According to the present invention, since the pulse wave sensor can detect a pulse wave with low power consumption, blood pressure can be measured with low power consumption.

  In the present invention, the pulse wave sensor may include a microphone that detects sound waves from the subject.

  According to the present invention, since the pulse wave sensor can easily detect a pulse wave with low power consumption, blood pressure can be easily measured with low power consumption.

  In the present invention, the holding mechanism holds the pulse wave sensor and the cuff in an auricle of a living body as a subject, the pulse wave sensor measures a pulse wave of the auricle as a subject, A part of the auricle may be pressed as a part of the subject.

  According to the present invention, since the pulse wave sensor and the cuff are attached to the auricle and the pulse wave is measured, the blood pressure can be easily and continuously measured in daily life.

  In the present invention, the blood pressure calculation processing unit may further include a speaker that generates sound, and the sound from the speaker may be propagated from the speaker to the auricle through a hollow tube connected to the blood pressure measurement unit. Good.

  According to the present invention, the speaker of the blood pressure calculation processing unit can easily provide useful information such as the start of blood pressure measurement to the subject by propagating sound to the auricle through the hollow tube. It becomes possible to measure blood pressure accurately.

  In the present invention, the electronic circuit of the blood pressure calculation processing unit may send a calculated blood pressure information signal to the speaker.

  According to the present invention, by sending a signal of the calculated blood pressure information to the speaker, it is possible to report an emergency situation such as an abnormal increase in blood pressure, and it is possible to perform an emergency treatment associated with blood pressure measurement.

  In the present invention, the blood pressure calculation processing unit may further include a music recording / reproducing device that reproduces a music signal, and the music recording / reproducing device may send the reproduced music signal to the speaker.

  According to the present invention, the music recording / reproducing device of the blood pressure calculation processing unit can relieve the subject from tension and accurately measure the resting blood pressure by sending the reproduced music signal to the speaker. Become.

  In the present invention, the speaker of the blood pressure calculation processing unit may be configured such that the volume can be controlled.

  According to the present invention, since the speaker of the blood pressure calculation processing unit can control the volume, information can be transmitted with a comfortable volume according to, for example, a noisy place or a quiet place. It is possible to measure blood pressure accurately.

  In the present invention, the blood pressure calculation processing unit may further include a timer for measuring time, and the speaker may be configured such that the volume is controlled depending on the time measured by the timer.

  According to the present invention, by controlling the volume of the speaker depending on the time measured by the timer of the blood pressure calculation processing unit, for example, at night, the volume is reduced, so that it can be comfortably adapted to the life cycle of the subject. It becomes possible to measure blood pressure.

  In the present invention, at least one end of the hollow tube and the electric cable may be connected by a detachable connector.

  According to the present invention, the hollow tube and the electric cable and the blood pressure measurement unit or the blood pressure calculation processing unit can be attached and detached, and the blood pressure measurement unit and the blood pressure calculation processing unit can be easily attached to the subject, or Since removal in an emergency becomes easy, blood pressure can be easily measured.

  In this invention, you may further provide the clip which puts together the said hollow tube and an electric cable on clothes.

  According to the present invention, since the hollow tube and the electric cable can be collectively fastened to clothes, the amount of noise generated by vibration of the hollow tube and the electric cable is reduced, and the operation of the subject is not disturbed. It becomes possible to measure blood pressure stably.

  In this invention, you may further provide the adhesion part which puts together the said hollow tube and an electric cable on clothes.

  According to the present invention, since the hollow tube and the electric cable can be collectively fastened to clothes, the amount of noise generated by vibration of the hollow tube and the electric cable is reduced, and the operation of the subject is not disturbed. It becomes possible to measure blood pressure stably.

  In this invention, it is good also as a structure by which the outer skin of the said electrical cable and the said hollow tube are formed with the vibrational absorption material.

  According to the present invention, the amount of vibration generated in the electric cable and the hollow tube is reduced, and further, the amount of vibration transmitted to the blood pressure measurement unit and the blood pressure calculation processing unit is reduced. Since the generation amount and transmission amount of noise due to vibration are reduced, blood pressure can be accurately measured.

  In the present invention, the connection portion of the electric cable and the connection portion of the hollow tube may be formed of a vibration absorbing material.

  According to the present invention, the vibration of the outer sheath of the electric cable and the vibration of the hollow tube are prevented from being transmitted to the blood pressure measurement unit, so that the blood pressure can be accurately measured.

  According to the present invention, it is possible to provide a blood pressure measurement device that makes it easy to attach the sensor portion to a human body. In particular, when the sensor portion is attached to the auricle, a blood pressure measurement device that enables continuous blood pressure measurement can be provided by reducing the size and weight of the sensor.

Embodiments of the present invention will be described with reference to the accompanying drawings.
The embodiment described below is an example of the configuration of the present invention, and the present invention is not limited to the following embodiment.

  The blood pressure measurement device according to the present embodiment includes a pulse wave sensor that measures a pulse wave of a subject, a cuff that presses a part of the subject, and a holding mechanism that holds the pulse wave sensor and the cuff on the subject. A pressure pump for supplying air to the cuff, a pressure reducing valve for limiting the amount of air exhausted from the cuff, a pressure sensor for measuring the pressure inside the cuff, and the pressure sensor. An electronic circuit that controls the supply of pressure pump air and the amount of air discharged from the pressure reducing valve, and calculates the blood pressure of the subject from the magnitude of the pulse wave measured by the pulse wave sensor at the pressure measured by the pressure sensor; A blood pressure calculation processing unit comprising: a display circuit that displays a result calculated by the electronic circuit; and a battery that supplies power to the pulse wave sensor, the pressurizing pump, the pressure reducing valve, the electronic circuit, and the display circuit; A blood pressure measuring device comprising The cuff of the blood pressure measurement unit and the pressurization pump, the pressure reducing valve, and the pressure sensor of the blood pressure calculation processing unit are connected by a hollow tube, and the pulse wave sensor of the blood pressure measurement unit and the blood pressure calculation process The blood pressure measuring device is connected to the electronic circuit of the unit by an electric cable, and the pulse wave sensor of the blood pressure measuring unit and the battery of the blood pressure calculation processing unit are connected by an electric cable.

  FIG. 1 shows a configuration example of the blood pressure measurement device according to the present embodiment. In FIG. 1, the blood pressure measurement device 1 includes a blood pressure measurement unit 10, a blood pressure calculation processing unit 30, a hollow tube 61, and an electric cable 62.

The blood pressure measurement unit 10 includes a cuff 12, a pulse wave sensor 11, and a holding mechanism 13. Here, in the configuration example shown in FIG. 1, the pulse wave sensor 11 is provided in the cuff 12.
One end of the cuff 12 is connected to the holding mechanism 13. In the configuration example shown in FIG. 1, the cuff 12 has a cylindrical shape and is inserted into the ear canal of the auricle, and the surface of the cuff 12 is in contact with the subject 5 on the inner surface of the ear canal. Here, the holding mechanism 13 schematically shows a configuration in a case where the holding mechanism 13 is attached to the base of the auricle, and an example of a specific shape and an attachment state to the auricle will be described later.

  The blood pressure calculation processing unit 30 includes a pressurizing pump 31, a pressure reducing valve 32, a pressure sensor 33, an electronic circuit 41, a display circuit 42, a battery 43, a housing 40, an air pipe 34, a signal line 35, and a power line 36.

  The pressure pump 31, the pressure reducing valve 32, and the pressure sensor 33 are connected to each other by an air pipe 34, and the pressure pump 31, the pressure reducing valve 32, and the pressure sensor 33 are connected to the air pipe 34 and the hollow tube 61 outside the housing 40. Via the cuff 12.

  The electronic circuit 41 is connected to the display circuit 42 and the pressure sensor 33 by a signal line 35, and the electronic circuit 41 is further connected to the pulse wave sensor 11 via the signal line 35 and an electric cable 62 outside the housing 40. .

  The battery 43 is connected to the pressurizing pump 31, the pressure reducing valve 32, the pressure sensor 33, the electronic circuit 41, and the display circuit 42 by the power line 36, and the battery 43 is further connected to the power line 36 and the electric cable 62 outside the housing 40. The pulse wave sensor 11 is connected.

  Next, functions of each part constituting the blood pressure measurement device 1 will be described. The cuff 12 has a function of being supplied with air by the pressurizing pump 31 and compressing a part of the subject 5 with air pressure. In FIG. 1, the cuff 12 has a cylindrical outer shape, and shows an example of a configuration in which the cuff 12 is inserted into the ear canal of the subject 5 and inflated to compress the inner surface of the ear canal.

  The pulse wave sensor 11 has a function of detecting a pulse wave of an artery inside the subject 5 pressed by the cuff 12, converting the pulse wave into an electric signal, and transmitting the electric signal to the electronic circuit 41. The principle that the pulse wave sensor 11 detects the pulse wave of the subject 5 will be described later.

  The holding mechanism 13 has a function of fixing the cuff 12 in contact with the subject 5, and the holding mechanism 13 shown in FIG. 1 schematically shows a configuration example in the case where the cuff 12 is mounted so as to surround the root of the auricle. However, the specific shape will be described later.

  The pressurizing pump 31 has a function of supplying air to the cuff 12 through the air pipe 34 and the hollow tube 61 outside the housing 40.

  The pressure reducing valve 32 has a function of reducing the air pressure inside the cuff 12 by exhausting the air inside the cuff 12.

  The pressure sensor 33 has a function of measuring the air pressure inside the cuff 12 through the air pipe 34 and the hollow tube 61 outside the housing 40.

  The air pipe 34 circulates air between the pressure pump 31, the pressure reducing valve 32, and the pressure sensor 33, and further, each of the pressure pump 31, the pressure reducing valve 32, the pressure sensor 33 and the cuff 12 through the hollow tube 61. It has the function of circulating air between.

  The electronic circuit 41 calculates the blood pressure of the subject 5 by a predetermined method from the pressure value at which the cuff 12 presses the subject 5 and the pulse wave sensor 11 that detects the pulse wave of the subject 5 and converts it into an electrical signal. It has the function to do.

  The display circuit 42 has a function of displaying blood pressure information related to blood pressure calculated by the electronic circuit 41.

  The battery 43 has a function of supplying power to the pulse wave sensor 11, the electronic circuit 41, the display circuit 42, the pressurizing pump 31, the pressure reducing valve 32, and the pressure sensor 33.

  The housing 40 has a function of holding and protecting each part constituting the blood pressure calculation processing unit 30.

  The hollow tube 61 has a function of circulating air between the cuff 12 and the air pipe 34, and allowing air to flow between the cuff 12, the pressure pump 31, the pressure reducing valve 32, and the pressure sensor 33.

  The electric cable 62 has a function of transmitting power between the battery 43 and the pulse wave sensor 11 via the power line 36, and further transmits a signal between the pulse wave sensor 11 and the electronic circuit 41 via the signal line 35. Has the function of

  Next, the operation of the blood pressure measurement device 1 of the present embodiment will be described. The pressurization pump 31 supplies air to the cuff 12 via the air pipe 34 and the hollow tube 61, and the cuff 12 compresses the subject 5 with a pressure rising by the supplied air, or the cuff 12 is subject to the subject. In the process in which the pressure inside the cuff 12 is exhausted by the pressure reducing valve 32 and the pressure at which the cuff 12 presses the subject 5 decreases from the state in which the blood pressure of the cuff 12 stops at a high pressure. Detects the pulse wave of the subject 5, converts it into an electrical signal, and transmits it to the electronic circuit 41 via the electrical cable 62.

  The electronic circuit 41 calculates the blood pressure of the subject 5 from the electrical signal corresponding to the pulse wave received from the pulse wave sensor 11 and the pressure value of the cuff 12 measured by the pressure sensor 33 by a predetermined method. Is transmitted to the display circuit 42, and the display circuit 42 displays the received blood pressure information.

  In the above blood pressure measurement process, a series of operations such as the start and end of blood pressure measurement or the operation of the pressurization pump 31, the pressure reducing valve 32, and the pressure sensor 33 may be controlled manually, or the electronic circuit 41. The electronic circuit 41, the pressurizing pump 31, the pressure reducing valve 32, and the pressure sensor may be connected by a signal line for control.

  In the above description, the case where the cuff 12 is inserted into the external auditory canal has been described. However, the cuff 12 is formed in two rectangular parallelepiped shapes and is held in contact with the holding mechanism 13 so as to be sandwiched between the auricles of the auricle. Then, blood pressure may be measured, and details will be described later.

  As described above, in the blood pressure measurement device 1 according to the present embodiment, the small and light blood pressure measurement unit 10 is attached to the auricle of the subject 5, for example, and the relatively large blood pressure calculation processing unit 30 is attached to the waist or the like. As a result, the burden on the subject can be reduced and blood pressure can be measured stably and continuously.

  As described above, the blood pressure measurement device of the present invention can provide a blood pressure measurement device that can reduce the burden on the subject and can stably and continuously measure blood pressure.

  In the blood pressure measurement device according to the present embodiment, the pulse wave sensor detects a light emitting element that irradiates light to a subject, and light that is emitted from the light emitting element is scattered by the subject or transmitted through the subject. It is good also as a structure which has a light receiving element to perform.

  The blood pressure measurement device according to the present embodiment is a case where the pulse wave sensor 11 is configured by the light emitting element and the light receiving element in the blood pressure measurement device 1 described with reference to FIG. The blood pressure measurement device 1 described with reference to FIG. 1 will be described as the blood pressure measurement device according to the present embodiment.

  Functions and operations of portions other than the pulse wave sensor 11 of the blood pressure measurement device 1 of the present embodiment are the same as those of the blood pressure measurement device 1 described with reference to FIG.

  2A and 2B show a configuration example of the pulse wave sensor of the blood pressure measurement device 1 according to the present embodiment. 2A and 2B, the pulse wave sensor 11 includes a light emitting element 18 and a light receiving element 20, and is provided in the cuff 12. Here, in FIG. 2A and FIG. 2B, portions that can be realized by a normal technique such as a driving circuit of the light emitting element 18, a receiving amplifier of the light receiving element 20, and a power supply line are not shown.

  The cuff 12 shown in FIG. 2A is a case where the light emitting element 18 and the light receiving element 20 are provided on one cuff 12, and one surface of the cuff 12 is in contact with the subject 5.

  In the cuff 12 shown in FIG. 2A, the light emitting element 18 is provided at a position where the irradiation light 19 is irradiated to the subject 5 in contact with the cuff 12, and the light receiving element 20 has the irradiation light 19 in the artery inside the subject 5. 6 is provided at a position for receiving scattered light 21 scattered by blood cells 6 or blood cells inside the artery 6.

  The light emitting element 18 has a function of irradiating the irradiation light 19, and the light receiving element 20 receives the scattered light 21, which is scattered by the blood cells inside the artery 6 of the subject 5 or the blood cells inside the artery 6. It has a function of converting it into a signal and transmitting it to the electronic circuit 41 through the electric cable 62 shown in FIG.

  The light emitting element 18 irradiates the subject 5 with the irradiation light 19 in contact with the cuff 12, and the light receiving element 20 scatters the irradiation light 19 scattered by the wall surface of the artery 6 inside the subject 5 or the blood cells inside the artery 6. The light 21 is received, the pulsation of the artery 6 or the pulsation of the blood flow inside the artery 6 is detected from the change in wavelength due to the Doppler effect received by the scattered light 21, and the detected pulse wave is converted into an electrical signal. It may be converted and transmitted to the electronic circuit 41 via the electric cable 62.

  In the cuff 12 shown in FIG. 2B, the light emitting element 18 is provided at a position in one cuff 12 where the irradiation light 19 is irradiated to the subject 5 in contact with the cuff 12, and the light receiving element 20 is the other cuff 12. And is provided at a position for receiving scattered light 21 scattered by the wall surface of the artery 6 or blood cells inside the artery 6 in the process in which the irradiation light 19 passes through the inside of the subject 5.

  The light emitting element 18 has a function of irradiating the irradiation light 19, and the light receiving element 20 is scattered by the wall surface of the artery 6 of the subject 5 or blood cells inside the artery 6 in the process of the irradiation light 19 passing through the subject 5. The scattered light 21 received is converted into an electric signal, and transmitted to the electronic circuit 41 by the electric cable 62 shown in FIG.

  The light emitting element 18 irradiates the subject 5 with the irradiation light 19 in contact with the cuff 12, and the light receiving element 20, while the irradiation light 19 passes through the subject 5, the wall surface of the artery 6 inside the subject 5 or the artery 6. The scattered light 21 scattered by the blood cells inside is received, and the pulse wave corresponding to the pulsation of the artery 6 or the pulsation of the blood flow inside the artery 6 is detected from the change in wavelength due to the Doppler effect received by the scattered light 21. Alternatively, the detected pulse wave may be converted into an electrical signal and transmitted to the electronic circuit 41 via the electrical cable 62.

  As described above, the blood pressure measurement device 1 according to the present embodiment comprises the pulse wave sensor 11 with the light emitting element 18 and the light receiving element 20, thereby detecting the pulse wave with high accuracy and measuring the blood pressure with high accuracy. be able to.

  Therefore, the electrical signal corresponding to the pulse wave detected by the pulse wave sensor 11 is calculated by the electronic circuit 41 as in the blood pressure measurement device 1 of the embodiment described with reference to FIG. 1, and the blood pressure is measured.

  In the blood pressure measurement device according to the present embodiment, the pulse wave sensor includes an ultrasonic wave generating element that irradiates a subject with ultrasonic waves, and the ultrasonic wave irradiated by the ultrasonic wave generating element is scattered by the subject or the subject. It is good also as a structure which has an ultrasonic receiving element which detects the ultrasonic wave which permeate | transmitted.

  The blood pressure measurement device according to the present embodiment is a case in which the pulse wave sensor 11 includes the ultrasonic light emitting element and the ultrasonic light receiving element in the blood pressure measurement device 1 described with reference to FIG. Since the configuration is the same as that of the blood pressure measurement device 1 described with reference to FIG. 1, the blood pressure measurement device 1 described with reference to FIG. 1 will be described as the blood pressure measurement device of the present embodiment.

  Functions and operations of portions other than the pulse wave sensor 11 of the blood pressure measurement device 1 of the present embodiment are the same as those of the blood pressure measurement device 1 described with reference to FIG.

  FIGS. 3A and 3B show a configuration example of the pulse wave sensor of the blood pressure measurement device according to the present embodiment. 3A and 3B, the pulse wave sensor 11 includes an ultrasonic wave generating element 22 and an ultrasonic wave receiving element 24, and is provided in the cuff 12. Here, in FIGS. 3A and 3B, portions that can be realized by a normal technique such as a driving circuit of the ultrasonic wave generation element 22, a reception amplifier of the ultrasonic wave reception element 24, and a power supply line are illustrated. Not shown.

  The cuff 12 shown in FIG. 3A is a case where the ultrasonic wave generating element 22 and the ultrasonic wave receiving element 24 are provided on one cuff 12, and one surface of the cuff 12 is in contact with the subject 5. ing.

  In the cuff 12 shown in FIG. 3A, the ultrasonic wave generating element 22 is provided at a position where the irradiated ultrasonic wave 23 is irradiated to the subject 5 in contact with the cuff 12, and the ultrasonic wave receiving element 24 is irradiated with the irradiated ultrasonic wave 23. It is provided at a position to receive the scattered ultrasound 25 scattered by the wall surface of the artery 6 inside the specimen 5 or the blood cells inside the artery 6.

  The ultrasonic generation element 22 has a function of irradiating the irradiation ultrasonic wave 23, and the ultrasonic reception element 24 is a scatter in which the irradiation ultrasonic wave 23 is scattered by the wall surface of the artery 6 of the subject 5 or blood cells inside the artery 6. The ultrasonic wave 25 is received, converted into an electric signal, and transmitted to the electronic circuit 41 through the electric cable 62 shown in FIG.

  The ultrasonic wave generation element 22 irradiates the subject 5 in contact with the cuff 12 with the irradiation ultrasonic wave 23, and the ultrasonic wave reception element 24 applies the irradiation ultrasonic wave 23 to the wall surface of the artery 6 inside the subject 5 or inside the artery 6. Receiving scattered ultrasonic waves 25 scattered by blood cells, detecting a pulse wave corresponding to the pulsation of the artery 6 or the pulsation of the blood flow inside the artery 6 from the change in wavelength due to the Doppler effect received by the scattered ultrasonic wave 25; The detected pulse wave may be converted into an electric signal and transmitted to the electronic circuit 41 via the electric cable 62.

  In the cuff 12 shown in FIG. 3B, the ultrasonic wave generating element 22 is provided in a position where the irradiated ultrasonic wave 23 is irradiated on the subject 5 in contact with the cuff 12 in one cuff 12, and the ultrasonic wave receiving element 24. Is provided in the other cuff 12 and receives the scattered ultrasound 25 scattered by the wall surface of the artery 6 or blood cells inside the artery 6 in the process in which the irradiated ultrasound 23 passes through the subject 5. Provided.

  The ultrasonic generation element 22 has a function of irradiating the irradiation ultrasonic wave 23, and the ultrasonic reception element 24 is a process of passing the irradiation ultrasonic wave 23 through the subject 5, or the wall surface of the artery 6 of the subject 5 or the artery 6. 1 has a function of receiving the scattered ultrasonic waves 25 scattered by the blood cells inside and converting them into electric signals and transmitting them to the electronic circuit 41 by the electric cable 62 shown in FIG.

  The ultrasonic wave generation element 22 irradiates the subject 5 in contact with the cuff 12 with the irradiation ultrasonic wave 23, and the ultrasonic wave reception element 24 passes through the subject 5 and the artery 6 inside the subject 5 in the process of passing the irradiation ultrasonic wave 23. The scattered ultrasonic waves 25 scattered by the blood cells inside the wall or the artery 6 are received, and the pulsation of the artery 6 or the pulsation of the blood flow inside the artery 6 from the change in wavelength due to the Doppler effect received by the scattered ultrasound 25 The detected pulse wave may be detected, converted into an electric signal, and transmitted to the electronic circuit 41 via the electric cable 62.

  As described above, the blood pressure measurement device 1 according to the present embodiment can detect a pulse wave with high accuracy by configuring the pulse wave sensor 11 with the ultrasonic wave generating element 22 and the ultrasonic wave receiving element 24.

  Therefore, the electric signal corresponding to the pulse wave detected by the pulse wave sensor 11 is calculated by the electronic circuit 41 in the same manner as the blood pressure measurement device 1 of the embodiment described with reference to FIG. 1, and the blood pressure is measured with high accuracy. .

  In the blood pressure measurement device according to the present embodiment, the pulse wave sensor may include a vibration sensor that detects vibration from a subject.

  The blood pressure measurement device according to the present embodiment is a case where the pulse wave sensor 11 is configured by the vibration sensor in the blood pressure measurement device 1 described with reference to FIG. 1, and the blood pressure measurement device described with reference to FIG. 1 is described as the blood pressure measurement device of the present embodiment.

  Functions and operations of portions other than the pulse wave sensor 11 of the blood pressure measurement device 1 of the present embodiment are the same as those of the blood pressure measurement device 1 described with reference to FIG.

  FIG. 4 shows a configuration example of the pulse wave sensor of the blood pressure measurement device according to the present embodiment. In FIG. 4, the pulse wave sensor 11 includes a vibration sensor 26 and is provided in the cuff 12. Here, in FIG. 4, portions that can be realized by a normal technique such as a receiving amplifier and a power supply line of the vibration sensor 26 are not shown.

  In FIG. 4, one surface of the cuff 12 shows a state in contact with the subject 5.

  The vibration sensor 26 detects a pulse wave from vibration generated by the pulsation of the artery 6 inside the subject 5 in contact with the cuff 12, converts the detected pulse wave into an electric signal, and passes through the electric cable 62 to the electronic circuit 41. Send to.

  As described above, the blood pressure measurement device 1 according to the present embodiment can detect the pulse wave with low power consumption and measure the blood pressure with low power consumption by configuring the pulse wave sensor 11 with the vibration sensor 26. it can.

  Therefore, the electrical signal corresponding to the pulse wave detected by the pulse wave sensor 11 is calculated by the electronic circuit 41 as in the blood pressure measurement device 1 of the embodiment described with reference to FIG. 1, and the blood pressure is measured.

  In the blood pressure measurement device according to the present embodiment, the pulse wave sensor may include a microphone that detects sound waves from the subject.

  The blood pressure measurement device according to the present embodiment is a case where the pulse wave sensor 11 is configured by the microphone in the blood pressure measurement device 1 described with reference to FIG. 1, and the blood pressure measurement device 1 described with reference to FIG. The blood pressure measurement device 1 described with reference to FIG. 1 will be described as the blood pressure measurement device of the present embodiment.

  Functions and operations of portions other than the pulse wave sensor 11 of the blood pressure measurement device 1 of the present embodiment are the same as those of the blood pressure measurement device 1 described with reference to FIG.

  FIG. 5 shows a configuration example of the pulse wave sensor of the blood pressure measurement device according to the present embodiment. In FIG. 5, the pulse wave sensor 11 includes a microphone 28 and is provided in the cuff 12. Here, in FIG. 5, portions that can be realized by a normal technique such as a receiving amplifier and a power supply line of the microphone 28 are not shown.

  In FIG. 5, one surface of the cuff 12 shows a state in contact with the subject 5.

  The microphone 28 detects a pulse wave from a sound wave generated by the pulsation of the artery 6 inside the subject 5 in contact with the cuff 12, converts the detected pulse wave into an electric signal, and passes the electric cable 62 to the electronic circuit 41. Send.

  As described above, the blood pressure measurement device 1 according to the present embodiment includes the microphone 28 as the pulse wave sensor 11 to easily detect a pulse wave with low power consumption and easily measure blood pressure with low power consumption. can do.

  Therefore, the electrical signal corresponding to the pulse wave detected by the pulse wave sensor 11 is calculated by the electronic circuit 41 as in the blood pressure measurement device 1 of the embodiment described with reference to FIG. 1, and the blood pressure is measured.

  In the blood pressure measurement device according to the present embodiment, the holding mechanism holds the pulse wave sensor and the cuff in the pinna of the living body as the subject, and the pulse wave sensor measures the pulse wave of the pinna as the subject. And the said cuff is good also as a structure which presses a part of pinna as a part of said subject.

  The blood pressure measurement device according to the present embodiment is a case where the pulse wave sensor 11 and the cuff 12 are attached to the auricle in the blood pressure measurement device 1 described with reference to FIG. 1, and the configuration of the blood pressure measurement device according to the present embodiment is illustrated in FIG. The blood pressure measurement device 1 described with reference to FIG. 1 will be described as the blood pressure measurement device of the present embodiment.

  6A and 6B show an example of a state where the blood pressure measurement unit 10 of the blood pressure measurement device 1 of the present embodiment is attached to the auricle.

  In the wearing example of the blood pressure measurement unit 10 shown in FIG. 6A, the cuff 12 is inserted into the ear canal of the auricle, and the holding mechanism 13 holds the cuff 12 and has a ring shape surrounding the base of the ear ring 8. In addition, the cuff 12 is stably held. The hollow tube 61 and the electric cable 62 are connected to a blood pressure calculation processing unit (not shown) below FIG.

  In the mounting example of the blood pressure measurement unit 10 shown in FIG. 6 (B), the cuff 12 is composed of two pieces, the two cuffs 12 are attached so as to sandwich the auricle tragus 7 from both sides, and the holding mechanism 13 is While holding the two cuffs 12 and having a ring shape surrounding the root of the ear ring 8, the cuff 12 is stably fixed. The hollow tube 61 and the electric cable 62 are connected to a blood pressure calculation processing unit (not shown) below FIG.

  As described above, the cuff 12 of the blood pressure measurement device 1 of the present embodiment has a characteristic shape for measuring blood pressure in the auricle, and the holding mechanism 13 has a mechanism for mounting on the auricle. Is a feature.

  The basic operation of the blood pressure measurement device 1 of the present embodiment is the same as that of the blood pressure measurement device 1 of the embodiment described with reference to FIG. 1, but the blood pressure measurement device of the present embodiment has the blood pressure measurement unit 10 attached to the auricle. However, it is characterized by measuring blood pressure in the pinna.

  As described above, the blood pressure measurement device according to the present embodiment can easily and continuously measure blood pressure in daily life by attaching the blood pressure measurement unit 10 to the auricle.

  In the blood pressure measurement device according to the present embodiment, the blood pressure calculation processing unit further includes a speaker that generates sound, and the sound from the speaker is transmitted from the speaker through a hollow tube connected to the blood pressure measurement unit. It is good also as a structure propagated through.

  FIG. 7 shows a configuration example of the blood pressure measurement device according to the present embodiment. 7, in the blood pressure measurement device 1 of the present embodiment, a speaker 44 is added to the blood pressure calculation processing unit 30 of the blood pressure measurement device 1 shown in FIG. 1, and the speaker 44 and the electronic circuit 41 are connected by a signal line 35. The sound output portion of the speaker 44 is connected to the cuff 12 by an air pipe 34. The signal line 35 connected to the speaker 44 and the electronic circuit 41 and the portions other than the air pipe 34 connected to the speaker 44 are shown in FIG. This is the same as the blood pressure measurement device 1 shown. Here, in order to avoid the complexity of the drawing, portions that can be realized by a normal technique such as a power cable of the speaker 44 are not shown.

  The speaker 44 has a function of generating sound under the control of the electronic circuit 41.

  In the operation of the blood pressure measurement device 1 according to the present embodiment shown in FIG. 7, the operations other than the speaker 44 are the same as those of the blood pressure measurement device 1 described with reference to FIG. 1, and the speaker 44 is the blood pressure measurement device described with reference to FIG. In the blood pressure measurement process similar to 1, the electronic circuit 41 is controlled to emit a sound that informs useful information such as the start of blood pressure measurement, and transmits the sound to the auricle via the air pipe 34 and the hollow tube 61. .

  As described above, the blood pressure measurement device 1 according to the present embodiment further includes a speaker that generates sound, and can easily provide useful information such as the start of blood pressure measurement in the process of blood pressure measurement. Accurate blood pressure can be measured.

  The blood pressure measurement device according to the present embodiment may be configured such that the electronic circuit of the blood pressure calculation processing unit sends a calculated blood pressure information signal to the speaker.

  Since the configuration of the blood pressure measurement device according to the present embodiment is the same as that of the blood pressure measurement device 1 according to the embodiment described with reference to FIG. 7, the blood pressure measurement device 1 according to the embodiment described with reference to FIG. It will be described as a measuring device.

  The operation of the blood pressure measurement device 1 according to the present embodiment is the same as the blood pressure measurement device 1 described with reference to FIG. 7 except for the operation of the electronic circuit 41. The electronic circuit 41 is the same as the blood pressure measurement device 1 described with reference to FIG. In the process of blood pressure measurement, a signal of blood pressure information related to the calculated blood pressure is transmitted to the speaker 44, and the speaker 44 emits the received blood pressure information as sound and is transmitted to the subject 5 through the air pipe 34 and the hollow tube 61. To do.

  As described above, the blood pressure measurement device 1 according to the present embodiment transmits the blood pressure information signal calculated by the electronic circuit 41 to the speaker 44, and the speaker 44 emits the received blood pressure information as sound and transmits it to the subject 5. So you can report emergency situations such as abnormal blood pressure rises.

  Therefore, the blood pressure measuring device of the present invention can provide useful blood pressure information such as an emergency situation to a subject and provide a blood pressure measuring device capable of emergency treatment.

  The blood pressure measurement device according to the present embodiment may be configured such that the blood pressure calculation processing unit further includes a music recording / reproducing device that reproduces a music signal, and the music recording / reproducing device sends the reproduced music signal to the speaker. Good.

  FIG. 8 shows a configuration example of the blood pressure measurement device according to the present embodiment. In FIG. 8, the blood pressure measurement device 1 according to the present embodiment has a blood pressure calculation processing unit 30 of the blood pressure measurement device 1 described with reference to FIG. The configuration is the same as that of the blood pressure measurement device 1 shown in FIG. Here, in order to avoid the complexity of the drawings, the parts that can be realized by a normal technique such as the power cable of the music recording / reproducing machine 45 are not shown.

  The music recording / reproducing machine 45 of the blood pressure measurement device 1 according to the present embodiment has a function of recording and reproducing music.

  In the operation of the blood pressure measurement device 1 of the present embodiment shown in FIG. 8, the operations other than the music recording / reproducing device 45 are the same as those of the blood pressure measuring device 1 described with reference to FIG. In the blood pressure measurement process similar to that of the blood pressure measurement device 1 described in FIG. 7, music recorded in advance is transmitted and transmitted to the speaker 44, and the speaker 44 receives the reproduced music through the air pipe 34 and the hollow tube 61. To communicate. Here, the operation of the music recording / reproducing device 45 may be controlled manually, or a control circuit is mounted on the electronic circuit 41, and the electronic circuit 41 and the music recording / reproducing device 45 are connected by a signal line, so that the electronic circuit The operation of the music recording / reproducing machine 45 may be controlled by 41.

  As described above, the blood pressure measurement device 1 according to the present embodiment reproduces music recorded in advance by the music recording / reproducing device 45 and transmits the reproduced music to the subject 5, thereby releasing the subject from tension, Resting blood pressure can be accurately measured.

  Therefore, the blood pressure measurement device of the present invention can provide a blood pressure measurement device that can accurately measure a resting blood pressure.

  The blood pressure measurement device according to the present embodiment may be configured such that the speaker of the blood pressure calculation processing unit can control the volume.

  FIG. 9 shows a configuration example of the blood pressure measurement device according to the present embodiment. In FIG. 9, the blood pressure measurement device 1 according to the present embodiment has a configuration in which a volume controller 46 connected to a speaker 44 through a signal line 35 is added to the blood pressure calculation processing unit 30 of the blood pressure measurement device 1 described with reference to FIG. 8. The configuration other than the volume controller 46 is the same as that of the blood pressure measurement device 1 described with reference to FIG. Here, in order to avoid the complexity of the drawing, a portion that can be realized by a normal technique such as a power cable of the volume controller 46 is not shown.

  The volume controller 46 of the blood pressure measurement device 1 of the present embodiment has a function of controlling the volume emitted by the speaker 44.

  In the operation of the blood pressure measurement device 1 of the present embodiment shown in FIG. 9, the operations other than the volume controller 46 are the same as the operations of the blood pressure measurement device 1 described with reference to FIG. In the process of blood pressure measurement similar to the blood pressure measurement apparatus 1 described, the volume of the speaker 44 is controlled to an appropriate volume according to a noisy place or a quiet place. Here, the volume controller 46 may be controlled manually, or the electronic circuit 41 is equipped with a control circuit, the electronic circuit 41 and the volume controller 46 are connected by a signal line, and the volume control is performed by the electronic circuit 41. The device 46 may be controlled.

  As described above, in the blood pressure measurement device 1 according to the present embodiment, since the volume controller 46 appropriately controls the volume of the speaker 44, for example, a comfortable volume according to a noisy place or a quiet place. Can transmit information and measure blood pressure comfortably and accurately.

  Therefore, the blood pressure measurement device of the present invention can provide a blood pressure measurement device that can transmit information to a subject at an appropriate volume and can measure blood pressure comfortably and accurately.

  The blood pressure measurement device according to the present embodiment may be configured such that the blood pressure calculation processing unit further includes a timer for measuring time, and the speaker controls the volume depending on the time measured by the timer.

  FIG. 10 shows a configuration example of the blood pressure measurement device according to the present embodiment. 10, the blood pressure measurement device 1 according to the present embodiment has a configuration in which a timer 47 connected to a volume controller 46 by a signal line 35 is added to the blood pressure calculation processing unit 30 of the blood pressure measurement device 1 described with reference to FIG. The configuration other than the timer 47 is the same as that of the blood pressure measurement device 1 described with reference to FIG. Here, in order to avoid the complexity of the drawing, portions that can be realized by a normal technique such as a power cable of the timer 47 are not shown.

  The timer 47 of the blood pressure measurement device 1 of the present embodiment has a function of measuring the time and controlling the sound volume emitted by the speaker 44 by controlling the sound volume controller 46 depending on the measured time.

  In the operation of the blood pressure measurement device 1 of the present embodiment shown in FIG. 10, the operations other than the timer 47 are the same as those of the blood pressure measurement device 1 described with reference to FIG. 9, and the timer 47 measures the blood pressure described with reference to FIG. In the process of blood pressure measurement similar to the apparatus 1, the time is measured, and the sound volume emitted by the speaker 44 is controlled by controlling the sound volume controller 46 depending on the measured time. Here, the timer 47 may be controlled manually, or a control circuit is mounted on the electronic circuit 41, the electronic circuit 41 and the timer 47 are connected by a signal line, and the timer 47 is controlled by the electronic circuit 41. Also good.

  As described above, in the blood pressure measurement device 1 according to the present embodiment, the timer 47 reduces the volume of the speaker 44 at night, for example, and appropriately controls the volume of the speaker 44 according to the life cycle of the subject. Blood pressure can be measured comfortably and accurately.

  Therefore, the blood pressure measurement device of the present invention can provide a blood pressure measurement device that can transmit information to the subject at an appropriate volume in accordance with the life cycle of the subject and can measure blood pressure comfortably and accurately.

  The blood pressure measurement device according to the present embodiment may be configured such that at least one end of the hollow tube and the electric cable is connected by a detachable connector.

  FIG. 11 shows a configuration example of the blood pressure measurement device according to the present embodiment. In FIG. 11, the blood pressure measurement device 1 according to the present embodiment connects the hollow tube 61 and the electric cable 62 of the blood pressure measurement device 1 described with reference to FIG. 10 and at least one of the blood pressure measurement unit 10 and the blood pressure calculation processing unit 30. In this configuration, at least one of the connector 15 and the connector 51 is added, and the configuration other than the connector 15 and the connector 51 is the same as that of the blood pressure measurement device 1 described with reference to FIG. Here, FIG. 11 shows a configuration in which both the connector 15 and the connector 51 are provided.

  Each of the connector 15 and the connector 51 of the blood pressure measurement device 1 according to the present embodiment is detachable between the hollow tube 61 and the electric cable 62 and the blood pressure measurement unit 10 and the blood pressure calculation processing unit 30. It has a function of connecting while maintaining distribution and electrical conductivity.

  In the example shown in FIG. 11, the connector corresponding to each of the hollow tube 61 and the electric cable 62 is shown as the connector 15 and the connector 51, but the connectors of the hollow tube 61 and the electric cable 62 are individually provided. May be provided separately.

  In the operation of the blood pressure measurement device 1 of the present embodiment shown in FIG. 11, the operations other than the connector 15 and the connector 51 are the same as those of the blood pressure measurement device 1 described with reference to FIG. 10. In the blood pressure measurement process of the blood pressure measurement device 1 described, when the blood pressure measurement device 1 is attached to the subject 5 or when the blood pressure measurement device 1 is removed in an emergency during blood pressure measurement, the blood pressure measurement device 1 can be easily used. It is easy to attach to or remove from the subject 5.

  As described above, the blood pressure measurement apparatus 1 according to the present embodiment can easily measure blood pressure because the connector 15 and the connector 51 facilitate attachment and removal to the subject 5.

  Therefore, the blood pressure measurement device of the present invention can be easily attached to and detached from the subject, and a blood pressure measurement device that can easily measure blood pressure can be provided.

  The blood pressure measurement device according to the present embodiment may further include a clip that holds the hollow tube and the electric cable together on a clothes.

  FIG. 12 shows the configuration of the blood pressure measurement device according to the present embodiment. In FIG. 12, the blood pressure measurement device 1 of the present embodiment has a configuration in which a clip 63 is added to the hollow tube 61 and the electric cable 62 of the blood pressure measurement device 1 described with reference to FIG. This is the same as the blood pressure measurement device 1 described above.

  The clip 63 of the blood pressure measurement device 1 according to the present embodiment has a function of gathering the hollow tube 61 and the electric cable 62 together and fastening them to the subject 5.

  In the operation of the blood pressure measurement device 1 of the present embodiment shown in FIG. 12, the operations other than the clip 63 are the same as those of the blood pressure measurement device 1 described with reference to FIG. 11, and the clip 63 is the blood pressure measurement device 1 described with reference to FIG. In the blood pressure measurement process, the hollow tube 61 and the electric cable 62 can be collectively held on the clothes of the subject 5.

  As described above, the blood pressure measurement device 1 according to the present embodiment can hold the hollow tube 61 and the electric cable 62 together with the clip 63 on the clothes of the subject 5. The blood pressure is stably measured without reducing the amount of noise generated by the vibration of the tube 61 and the electric cable 62 and without disturbing the operation of the subject 5. In particular, when the blood pressure measurement unit 10 is attached to the auricle, the generation of noise due to the movement of the subject 5 interferes with blood pressure measurement, so the function of preventing excessive vibration of the hollow tube 61 and the electric cable 62 is as described above. Very important in blood pressure measurement.

  As described above, the blood pressure measurement device of the present invention has a small amount of noise generation and can stably measure blood pressure without disturbing the operation of the subject.

  The blood pressure measurement device according to the present embodiment may further include a pressure-sensitive adhesive unit that collectively holds the hollow tube and the electric cable on clothes.

  FIG. 13 shows the configuration of the blood pressure measurement device according to the present embodiment. In FIG. 13, the blood pressure measurement device 1 of the present embodiment has a configuration in which an adhesive portion 64 is added to the hollow tube 61 and the electric cable 62 of the blood pressure measurement device 1 described with reference to FIG. 11. This is the same as the blood pressure measurement device 1 described with reference to FIG.

  The adhesive part 64 of the blood pressure measurement device 1 according to the present embodiment has a function of gathering the hollow tube 61 and the electric cable 62 together and fastening them to the clothes of the subject 5.

  In the operation of the blood pressure measurement device 1 of the present embodiment shown in FIG. 13, the operations other than the adhesive unit 64 are the same as those of the blood pressure measurement device 1 described with reference to FIG. 11, and the adhesive unit 64 measures the blood pressure described with reference to FIG. In the process of blood pressure measurement of the apparatus 1, the hollow tube 61 and the electric cable 62 can be put together on the clothes of the subject 5.

  As described above, the blood pressure measurement device 1 according to the present embodiment can collectively hold the hollow tube 61 and the electric cable 62 on the clothes of the subject 5 by the adhesive portion 64. Therefore, in the blood pressure measurement process, The amount of noise generated by vibration of the hollow tube 61 and the electric cable 62 can be reduced, and the blood pressure can be measured stably without interfering with the operation of the subject 5. In particular, when the blood pressure measurement unit 10 is attached to the auricle, the generation of noise due to the movement of the subject 5 interferes with blood pressure measurement, so the function of preventing excessive vibration of the hollow tube 61 and the electric cable 62 is as described above. Very important in blood pressure measurement.

  Therefore, the blood pressure measurement device of the present invention can provide a blood pressure measurement device that can measure blood pressure stably without generating a small amount of noise and without interfering with the operation of the subject.

  The blood pressure measurement device according to the present embodiment may be configured such that the outer sheath of the electric cable and the hollow tube are formed of a vibration absorbing material.

  The blood pressure measurement device according to the present embodiment has the same configuration as the blood pressure measurement device 1 described with reference to FIGS. 1 to 13. In the blood pressure measurement device 1 shown in FIGS. 1 to 13, the outer sheath of the electric cable 62 and the hollow tube Since 61 is a case made of a vibration absorbing material, the blood pressure measurement device 1 shown in FIG. 13 will be representatively described as the blood pressure measurement device of the present embodiment.

  The outer sheath of the electric cable 62 and the hollow tube 61 of the blood pressure measurement device 1 according to the present embodiment, in addition to the protection of the electric wires that transmit electric signals and the function of circulating air, generate vibration of the electric cable 62 and the hollow tube 61. It has a function of reducing the amount and further reducing the amount of propagation of the generated vibration.

  In the operation of the blood pressure measurement device 1 of the present embodiment, the operations other than the outer skin of the electric cable 62 and the hollow tube 61 are the same as those of the blood pressure measurement device 1 described with reference to FIG. In the blood pressure measurement process of the blood pressure measurement device 1 described with reference to FIG. 13, the generation amount of vibration of the electric cable 62 and the hollow tube 61 is reduced, and the vibration is transmitted to the blood pressure measurement unit 10 and the blood pressure calculation processing unit 30. By reducing the amount, the amount of noise generated and the amount of transmission due to the vibration of the electric cable 62 and the hollow tube 61 are reduced.

  As described above, the blood pressure measurement device 1 according to the present embodiment forms the outer skin of the electric cable 62 and the hollow tube 61 with the vibration absorbing material, thereby generating noise generated by vibration of the electric cable 62 and the hollow tube 61. The amount of transmission can be reduced and blood pressure can be accurately measured. In particular, when the blood pressure measurement unit 10 is attached to the auricle, noise caused by the movement of the subject 5 interferes with blood pressure measurement, so the function of preventing excessive vibration of the hollow tube 61 and the electric cable 62 is Very important in blood pressure measurement.

  Therefore, the blood pressure measuring device of the present invention can provide a blood pressure measuring device that can measure blood pressure accurately with less noise.

  The blood pressure measurement device according to the present embodiment may be configured such that the connection portion of the electric cable and the connection portion of the hollow tube are formed of a vibration absorbing material.

  The configuration example of the blood pressure measurement device according to the present embodiment is the same as the blood pressure measurement device 1 described with reference to FIGS. 1 to 13. In the blood pressure measurement device 1 shown in FIGS. 1 to 13, the electric cable 62 and the hollow tube are used. 61, the blood pressure measurement unit 10 and the blood pressure calculation processing unit 30 are formed of a vibration absorbing material. As a representative example, the blood pressure measurement device 1 shown in FIG. The blood pressure measuring device will be described.

  The connection part of the electrical cable 62 and the hollow tube 61, the connector 15 and the connector 51 of the blood pressure measurement device 1 of the present embodiment is formed of a vibration absorbing material, and the connection part is the electrical cable 62 and the hollow tube. 61 has a function of reducing the amount of vibration generated and reducing the amount of propagation of the generated vibration.

  In the operation of the blood pressure measurement device 1 according to the present embodiment, the operation of the electrical cable 62 and the hollow tube 61, and the connector 15 and the connector 51 other than the connection portion are the same as those of the blood pressure measurement device 1 described with reference to FIG. The connection part of the electrical cable 62 and the hollow tube 61, the connector 15 and the connector 51 of the blood pressure measurement device 1 of the present embodiment is the same as the operation, and the blood pressure measurement of the blood pressure measurement device 1 described with reference to FIG. In this process, the generation amount of vibration of the electric cable 62 and the hollow tube 61 is reduced, and further, the amount of vibration transmitted to the blood pressure measurement unit 10 and the blood pressure calculation processing unit 30 is reduced, so that the electric cable 62 and the hollow tube 61 are reduced. Reduces the amount of noise generated and transmitted due to the vibrations.

  As described above, the blood pressure measurement device 1 according to the present embodiment includes the electric cable 62 and the hollow tube 61, and the connector 15 and the connector 51 that are formed of the vibration absorbing material. The amount of noise generated and the amount of transmission due to the vibration of the hollow tube 61 can be reduced, and the blood pressure can be measured accurately. In particular, when the blood pressure measurement unit 10 is attached to the auricle, the generation of noise due to the movement of the subject 5 interferes with blood pressure measurement, so the function of preventing excessive vibration of the hollow tube 61 and the electric cable 62 is as described above. Very important in blood pressure measurement.

  Therefore, the blood pressure measuring device of the present invention can provide a blood pressure measuring device that can measure blood pressure accurately with less noise.

  Since the blood pressure measuring device of the present invention can continuously and stably measure blood pressure for a long time, it can also be applied as a means for knowing physical condition and body activity state.

It is a figure which shows the structure of the blood pressure measuring device of embodiment of this invention. It is a figure which shows the structure of the pulse wave sensor of embodiment of this invention. It is a figure which shows the structure of the pulse wave sensor of embodiment of this invention. It is a figure which shows the structure of the pulse wave sensor of embodiment of this invention. It is a figure which shows the structure of the pulse wave sensor of embodiment of this invention. It is a figure which shows the mounting state to the subject of the blood-pressure measurement part of embodiment of this invention. It is a figure which shows the structure of the blood pressure measuring device of embodiment of this invention. It is a figure which shows the structure of the blood pressure measuring device of embodiment of this invention. It is a figure which shows the structure of the blood pressure measuring device of embodiment of this invention. It is a figure which shows the structure of the blood pressure measuring device of embodiment of this invention. It is a figure which shows the structure of the blood pressure measuring device of embodiment of this invention. It is a figure which shows the structure of the blood pressure measuring device of embodiment of this invention. It is a figure which shows the structure of the blood pressure measuring device of embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Blood pressure measuring device 5 Subject 6 Artery 7 Tragus 8 Ear ring 9 Concha 10 Blood pressure measurement part 11 Pulse wave sensor 12 Cuff 13 Holding mechanism 15 Connector 18 Light emitting element 19 Irradiation light 20 Light receiving element 21 Scattered light 22 Ultrasonic wave generation element 23 Ultrasonic wave irradiation 24 Ultrasonic wave receiving element 25 Scattering ultrasonic wave 26 Vibration sensor 28 Microphone 30 Blood pressure calculation processing part 31 Pressure pump 32 Pressure reducing valve 33 Pressure sensor 34 Air pipe 35 Signal line 36 Power line 40 Housing 41 Electronic circuit 42 Display circuit 43 battery 44 speaker 45 music recording / reproducing machine 46 volume controller 47 timer 51 connector 61 hollow tube 62 electric cable 63 clip 64 adhesive part

Claims (16)

A pulse wave sensor for measuring the pulse wave of the subject;
A cuff for pressing a part of the subject;
A blood pressure measurement unit comprising: a holding mechanism that holds the pulse wave sensor and the cuff on a subject;
A pressure pump for supplying air to the cuff;
A pressure reducing valve for limiting the amount of air exhausted from the cuff;
A pressure sensor for measuring the pressure inside the cuff;
An electronic circuit that controls the supply of air from the pressurizing pump and the amount of air discharged from the pressure reducing valve, and calculates the blood pressure of the subject from the magnitude of the pulse wave measured by the pulse wave sensor at the pressure measured by the pressure sensor. When,
A display circuit for displaying a result calculated by the electronic circuit;
A blood pressure measuring device comprising: a blood pressure calculation processing unit comprising: the pulse wave sensor, the pressurizing pump, the pressure reducing valve, the battery that supplies power to the electronic circuit, and the display circuit,
The cuff of the blood pressure measurement unit and the pressurization pump, the pressure reducing valve, and the pressure sensor of the blood pressure calculation processing unit are connected by a hollow tube, and the pulse wave sensor of the blood pressure measurement unit and the blood pressure calculation processing unit The blood pressure measuring apparatus, wherein the electronic circuit is connected by an electric cable, and the pulse wave sensor of the blood pressure measuring unit and the battery of the blood pressure calculation processing unit are connected by an electric cable.   The pulse wave sensor includes: a light emitting element that irradiates light to a subject; and a light receiving element that detects light that is irradiated by the light emitting element is scattered by the subject or transmitted through the subject. The blood pressure measurement device according to claim 1.   The pulse wave sensor includes an ultrasonic wave generation element that irradiates a subject with ultrasonic waves, and an ultrasonic wave that detects ultrasonic waves that the ultrasonic wave irradiated by the ultrasonic wave generation element is scattered by the subject or transmitted through the subject. The blood pressure measuring device according to claim 1, further comprising a receiving element.   The blood pressure measurement device according to claim 1, wherein the pulse wave sensor includes a vibration sensor that detects vibration from a subject.   The blood pressure measurement device according to claim 1, wherein the pulse wave sensor includes a microphone that detects sound waves from a subject.   The holding mechanism holds the pulse wave sensor and the cuff on the auricle of a living body as a subject, the pulse wave sensor measures a pulse wave of the auricle as a subject, and the cuff is a part of the subject. The blood pressure measuring device according to any one of claims 1 to 5, wherein a part of the auricle is pressed as a part.   The blood pressure calculation processing unit further includes a speaker that generates sound, and propagates sound from the speaker to the auricle through a hollow tube connected to the blood pressure measurement unit from the speaker. Item 7. The blood pressure measurement device according to item 6.   The blood pressure measurement device according to claim 7, wherein the electronic circuit of the blood pressure calculation processing unit sends a signal of the calculated blood pressure information to the speaker.   8. The blood pressure measurement according to claim 7, wherein the blood pressure calculation processing unit further includes a music recording / reproducing device for reproducing a music signal, and the music recording / reproducing device sends the reproduced music signal to the speaker. apparatus.   The blood pressure measurement device according to claim 7, wherein a volume of the speaker of the blood pressure calculation processing unit can be controlled.   The blood pressure measurement device according to claim 10, wherein the blood pressure calculation processing unit further includes a timer for measuring time, and the volume of the speaker is controlled depending on the time measured by the timer.   The blood pressure measurement device according to any one of claims 1 to 11, wherein at least one end of the hollow tube and the electric cable is connected by a detachable connector.   The blood pressure measurement device according to any one of claims 1 to 12, further comprising a clip that collectively holds the hollow tube and the electric cable on clothes.   The blood pressure measurement device according to any one of claims 1 to 12, further comprising an adhesive portion that collectively holds the hollow tube and the electric cable on clothes.   The blood pressure measuring device according to any one of claims 1 to 14, wherein the outer sheath of the electric cable and the hollow tube are formed of a vibration absorbing material. The blood pressure measuring device according to any one of claims 1 to 15, wherein the connecting portion of the electric cable and the connecting portion of the hollow tube are formed of a vibration absorbing material.

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