WO2022145346A1 - 寝具システム - Google Patents
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- WO2022145346A1 WO2022145346A1 PCT/JP2021/047966 JP2021047966W WO2022145346A1 WO 2022145346 A1 WO2022145346 A1 WO 2022145346A1 JP 2021047966 W JP2021047966 W JP 2021047966W WO 2022145346 A1 WO2022145346 A1 WO 2022145346A1
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- A61G2203/00—General characteristics of devices
- A61G2203/30—General characteristics of devices characterised by sensor means
- A61G2203/34—General characteristics of devices characterised by sensor means for pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/30—General characteristics of devices characterised by sensor means
- A61G2203/46—General characteristics of devices characterised by sensor means for temperature
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
- A61G7/057—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor
- A61G7/05715—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with modular blocks, or inserts, with layers of different material
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
- A61G7/057—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor
- A61G7/0573—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with mattress frames having alternately movable parts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M21/00—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis
- A61M2021/0005—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis by the use of a particular sense, or stimulus
- A61M2021/0022—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis by the use of a particular sense, or stimulus by the tactile sense, e.g. vibrations
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M21/00—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis
- A61M2021/0005—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis by the use of a particular sense, or stimulus
- A61M2021/0066—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis by the use of a particular sense, or stimulus with heating or cooling
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3303—Using a biosensor
Definitions
- the present invention relates to a bedding system used by a user during sleep.
- sleep people's lives (daily activities) consist of social activities outside the home, which account for about 34 to 50% of the length, family life, which accounts for about 17 to 33%, and the remaining 33% of sleep time. It has been adjusted. During that time, sleep is fixed in memory and plays a major role in the maintenance of internal organ functions, and it has become clear that it is indispensable for improving productivity. In a sense, activities other than sleep time are supported by psychological and physical environment, that is, water intake, nutrition (reflecting digestion, absorption, metabolism, excretion, etc.), exercise, sleep, lifestyle, memory, and worth living. On the contrary, sleep depends on its quality and quantity, reflecting physical or psychological fatigue, stress, psychological state, other social activities, nutrition, exercise, lifestyle, etc.
- sleep has large individual differences such as changes in body temperature, calorific value (exercise amount, meal content, etc.) and balance of heat dissipation amount (sweating ability, etc.), and the climate of the area where you live, that is, temperature, humidity, sound, light. , Oxygen saturation, carbon dioxide concentration, carbon monoxide concentration, etc. are also known to be greatly affected by the environment.
- the temperature of each part of the body is First of all, things that lead to temperature rise 1 Heat transfer (mainly due to arterial blood) 2 Heat production (mainly muscle / internal organs (eg liver) and hyperemia, inflammatory reaction) 3 Heat convection (transfer of heat from a hot gas (or liquid) passing over exposed skin to the skin) 4 Heat conduction (transfer of heat from a surface (solid) that is hotter than the body temperature in direct contact to a body surface that is colder than the body temperature) 5 Suppression of heat convection conduction (obesity (reduced body surface area), heavy clothing, windshield)
- Heat radiation (mainly due to infrared rays, body surface area (thinness), and balance of autonomic nerves to reduce the temperature difference with the surrounding environment) 7 Evaporation (Example: Cooling by vaporization of sweat moisture) 8 Heat convection (transfer of heat to a cold gas (or liquid) through exposed skin: eg ventilation) 9 Heat conduction (conduction of heat from the body surface to a surface (solid) lower than the body surface temperature, or heat transfer from a hot surface in direct contact to a low temperature (eg, ischemic site) surface) 10 Heat transfer (mainly due to venous blood, cutaneous veins, capillaries and ischemia) It is defined by the balance such as.
- the head and neck has a dense distribution of sensory nerves as well as central nerves such as the cerebrospinal cord including the sleep center, and is also the most sensitive site.
- the carotid sinus also has a prominent cervical sleep specificity, with a central role in monitoring various changes in the blood.
- thermoregulatory function declines. In the supine position during sleep, the base of the tongue tends to fall back, the airway tends to narrow, and the lateral decubitus position may make it easier to secure the airway, so turning over is essential for a good night's sleep.
- Patent Document 1 discloses a bed system for assisting a user in changing his / her body position during sleep. Specifically, in Patent Document 1, the bed bottom is divided into a left half and a right half, and both the left half and the right half are tilted to assist the user in the lateral decubitus position.
- the bed bottom can be tilted only in a plane shape in the left half area and the right half area, respectively. That is, the bed bottom cannot be moved for each subdivided area. Further, in the configuration in which the surface is inclined, it does not match the body surface shape of each part of the body. Therefore, the weight load becomes non-uniform for each part, and it is unavoidable that the discomfort caused by the weight load of several times to 10 times or more in a limited part of the body each time the center of gravity moves. As described above, it is difficult to properly assist the sleeping user to change his / her body position. In consideration of the above circumstances, it is an object of the present invention to provide a bedding system that appropriately assists a sleeping user in changing his / her body position at any time.
- the bedding system of the present invention is a mechanism built into the bedding and the bedding to assist the change of the position of the user, and is a mechanism along the thickness direction of the bedding.
- An auxiliary mechanism that is long, can be individually moved along the thickness direction, and includes a plurality of pillar members arranged so as to be parallel to each other, and a first that controls the movement of each pillar member. It is equipped with a control unit.
- each pillar member can be individually moved along the thickness direction of the bedding, the bedding can be moved for each region corresponding to each pillar member. Is. Therefore, it is possible to appropriately assist the user during sleep to change his / her body position (specifically, to turn over comfortably). That is, it is possible to provide sleep optimized for each user. As a result, individual sleep optimization is achieved, individual sleep mass is drastically improved, and infectious diseases are achieved by a physical or environmental approach that does not depend on chemical substances or drugs and has relatively small individual differences. It is possible to improve the productivity of activities other than sleep as well as prevent various diseases including. In addition, by realizing comfortable sleep, it is possible to maintain cognitive function and extend healthy life expectancy.
- FIG. 1 is a plan view of the bedding system 100 according to the first embodiment.
- the bedding system 100 is a system related to bedding for assisting the sleep of the user U.
- the bedding system 100 includes a mattress 20A (example of "bedding"), an auxiliary mechanism 21, a temperature mechanism 22, a humidity mechanism 23, a processing device 30, and a sensor unit 40.
- the mattress 20A for the user U to lie down during sleep is exemplified as bedding.
- the thickness direction of the mattress 20A is referred to as the Z direction
- the direction orthogonal to the Z direction is referred to as the X direction
- the Z direction and the direction orthogonal to the X direction are referred to as the Y direction.
- the horizontal direction of the mattress 20A is the X direction
- the vertical direction of the mattress 20A is the Y direction
- FIG. 2 is a side view of the mattress 20A when viewed from the Y direction
- FIG. 3 is a side view of the mattress 20A when viewed from the X direction.
- the mattress 20A includes, for example, the housing K.
- the housing K is formed of, for example, a stretchable material.
- the housing K includes a surface (hereinafter referred to as “contact surface”) F on which the user U lies down.
- the contact surface F is the surface of the mattress 20A on the positive side in the Z direction.
- the auxiliary mechanism 21, the temperature mechanism 22, and the humidity mechanism 23 are built in the mattress 20A (accommodation body K).
- the auxiliary mechanism 21, the temperature mechanism 22, and the humidity mechanism 23 are not exposed on the outer surface of the mattress 20A, but in FIGS. 1 to 3, the auxiliary mechanism 21, the temperature mechanism 22, and the humidity mechanism 23 are shown for convenience. Is illustrated.
- the mattress 20A can withstand a load of up to 350 kg with the auxiliary mechanism 21, the temperature mechanism 22, and the humidity mechanism 23 built-in.
- FIG. 4 is a block diagram illustrating the function of the bedding system 100 according to the first embodiment.
- the sensor unit 40 is a detection device that generates detection signals S (S1, S2, S3) for identifying information about the living body of the user U (hereinafter referred to as “biological information”).
- biological information identifying information about the living body of the user U (hereinafter referred to as “biological information”).
- the sensor unit 40 of the first embodiment includes a first acquisition unit 41, a second acquisition unit 42, and a third acquisition unit 43.
- the first acquisition unit 41 is a sensor that generates a detection signal S1 that is displaced according to the load of the user U in the contact surface F.
- the piezoelectric element is exemplified as the first acquisition unit 41.
- the detection signal S1 is the position of the user U on the mattress 20A (contact surface F) (hereinafter referred to as “body position”) and the period elapsed since the user U most recently changed his / her position (hereinafter referred to as “change period”). It is used to identify with.
- body position the position of the user U on the mattress 20A (contact surface F)
- change period the period elapsed since the user U most recently changed his / her position
- the detection signal S1 generated by the first acquisition unit 41 corresponding to the position where the user U is located in the contact surface F among the plurality of first acquisition units 41 fluctuates. Therefore, it is possible to estimate the body position according to the detection signal S1. Further, since the detection signal S1 generated by the first acquisition unit 41 is displaced when the user U moves, it is possible to detect a change in the body position of the user U.
- the body position and change period are examples of biological information.
- an arbitrary sensor is used for the first acquisition unit 41.
- a radio wave sensor, an acceleration sensor, or an optical sensor may be used as the first acquisition unit 41.
- the first acquisition unit 41 continuously generates the detection signal S1. That is, a change over time in the load of the user U is detected.
- the second acquisition unit 42 is a sensor that generates a detection signal S2 representing the body temperature of the user U.
- the detection signal S2 is used to identify the body temperature (an example of biological information) of the user U.
- any known body temperature sensor for example, an infrared sensor
- the second acquisition unit 42 is attached (attached) to, for example, the body surface of a plurality of parts (torso, both hands, both feet, head, neck, etc.) of the body of the user U.
- the non-contact type body temperature sensor may be used as the second acquisition unit 42.
- the second acquisition unit 42 continuously generates the detection signal S2.
- the third acquisition unit 43 is a sensor that generates a detection signal S3 that represents the humidity of the body surface of the user U.
- the detection signal S3 is used to identify the humidity (an example of biological information) on the body surface of the user U.
- any known humidity sensor is used as the third acquisition unit 43.
- the third acquisition unit 43 is, for example, mounted at the same position as the second acquisition unit 42 on the body surface of the user U. If it is possible to generate the detection signal S3 indicating the humidity of the body surface of the user U, the non-contact type humidity sensor may be used as the third acquisition unit 43. Further, a device in which the second acquisition unit 42 and the third acquisition unit 43 are integrated may be used.
- the second acquisition unit 42 continuously generates the detection signal S2. Further, the number of the second acquisition unit 42 and the third acquisition unit 43 is arbitrary.
- the auxiliary mechanism 21 is a mechanism for assisting the change of the posture of the user U lying down on the mattress 20A (typically, turning over of the user U during sleep).
- the auxiliary mechanism 21 includes a plurality of pillar members 211.
- Each pillar member 211 is a long columnar member along the Z direction (thickness direction of the mattress 20A).
- the plurality of pillar members 211 are closely arranged so as to be parallel to each other.
- the plurality of pillar members 211 are arranged so as to cover the entire mattress 20A in a plan view.
- the pillar member 211 is, for example, a regular hexagonal prism.
- the diameter of the pillar member 211 (the length of the diagonal line of the regular hexagon) is, for example, 20 to 40 mm.
- the column member 211 is not limited to a regular hexagonal column.
- a polygonal column (for example, a square column) other than a cylinder or a regular hexagonal column may be used as the column member 211.
- the pillar member 211 of the first embodiment is hollow. In other words, the pillar member 211 has a cylindrical shape. That is, a through hole along the Z direction is formed in the column member 211.
- the plurality of pillar members 211 can be individually moved along the Z direction. Specifically, each pillar member 211 can move from a predetermined position (initial position) to a positive side and a negative side (vertical direction) in the Z direction within a predetermined range. Each pillar member 211 is movable so that the position of the user U can be changed. Arbitrary various actuators are appropriately used for moving each pillar member 211.
- the pillar member 211 is made of an arbitrary material that can be reduced in weight and has durability.
- each pillar member 211 of the auxiliary mechanism 21 is controlled according to the biological information.
- the movement of the pillar member 211 is controlled according to the body position and the interest change period. That is, in the first embodiment, the auxiliary mechanism 21 is controlled according to the two biological information.
- the change in body position is typically turning over.
- the temperature mechanism 22 is a mechanism for adjusting the temperature of the mattress 20A. Therefore, it is possible to adjust the body temperature of the user U.
- the temperature mechanism 22 includes a liquid whose temperature can be changed (hereinafter referred to as “adjusting liquid”) and an adjusting device 213.
- the conditioning fluid is filled throughout the interior of the enclosure K.
- the adjusting liquid is filled in the gap between the pillar member 211 and the pillar member 211, the inside of the pillar member 211, and above and below the pillar member 211. Therefore, each pillar member 211 can move in the vertical direction and the lateral direction by buoyancy.
- the mode in which the adjusting liquid is filled in the container K is arbitrary. For example, a tube filled with the adjusting liquid, a resin bag, or the like is housed in the container K.
- the adjusting device 213 includes a temperature adjusting unit (not shown) and a circulating unit (not shown).
- the adjusting device 213 is located below the pillar member 211 (on the positive side in the Z direction).
- the temperature adjusting unit is a device capable of changing (cooling or heating) the temperature of the adjusting liquid.
- the temperature control unit is composed of a plurality of Pelche elements capable of cooling the adjusting liquid and a heater capable of heating the adjusting liquid. Then, the temperature of the adjusting liquid is changed by indirectly contacting the temperature adjusting unit with the adjusting liquid.
- the circulation unit (for example, a pump) is a device that circulates the adjusting liquid so as to circulate inside the housing K.
- the temperature mechanism 22 is preferably configured such that the temperature can be adjusted for each of a plurality of regions corresponding to a plurality of parts (trunk, limbs, neck, head) of the body of the user U in the mattress 20A. If the temperature of the mattress 20A can be adjusted, the specific configuration of the temperature mechanism 22 is arbitrary.
- the temperature mechanism 22 is controlled according to biological information.
- the temperature mechanism 22 is controlled according to the body temperature of the user U.
- a part of the temperature mechanism 22 (for example, the adjusting device 213) may be provided outside the mattress 20A.
- the humidity mechanism 23 is a mechanism for absorbing or humidifying moisture.
- the humidity mechanism 23 is composed of a plurality of blowers (for example, a compressor or a fan) capable of sending out air whose humidity is adjusted (dehumidified or humidified).
- the humidity mechanism 23 is installed at an arbitrary position inside the housing K.
- the blower is installed at a position where the sent wind hits the user U from the contact surface. Therefore, it is possible to adjust the humidity of the body surface of the user U by blowing air from the humidity mechanism 23.
- the humidity mechanism 23 is preferably configured so that the humidity can be adjusted for each of a plurality of parts of the body of the user U on the mattress 20A. If the humidity of the mattress 20A can be adjusted, the specific configuration of the humidity mechanism 23 is arbitrary.
- Humidity mechanism 23 is controlled according to biological information.
- the humidity mechanism 23 is controlled according to the humidity of the body surface of the user U.
- a part of the humidity mechanism 23 may be provided outside the mattress 20A.
- the processing device 30 of FIG. 4 is a device that controls the auxiliary mechanism 21, the temperature mechanism 22, and the humidity mechanism 23.
- the processing device 30 of the first embodiment is realized by a computer system including a control device 31 and a storage device 32.
- a control device 31 for example, an information terminal such as a personal computer or a tablet is used as the processing device 30.
- the control device 31 is composed of a single or a plurality of processing circuits such as a CPU (Central Processing Unit), and controls each element of the processing device 30 in an integrated manner.
- the storage device 32 is a single or a plurality of memories composed of a known recording medium such as a magnetic recording medium or a semiconductor recording medium, and stores a program executed by the control device 31 and various data used by the control device 31.
- the control device 31 of the first embodiment functions as a determination unit 311, a first control unit 321, a second control unit 322, and a third control unit 323.
- the determination unit 311 determines whether or not the change period exceeds a predetermined threshold value Z. That is, it is determined whether or not a predetermined period (threshold value Z) has elapsed since the user U changed his / her body position (turns over) with the savings.
- the change period is specified from the detection signal S1 generated by the first acquisition unit 41.
- the first control unit 321 controls the movement of each pillar member 211 in the auxiliary mechanism 21 according to the biological information (change period and body position). Specifically, the timing at which each pillar member 211 moves and the position at which each pillar member 211 moves are controlled according to the biological information.
- the first control unit 321 controls the timing at which each pillar member 211 moves according to the change period. Specifically, the first control unit 321 moves each pillar member 211 when the determination unit 311 determines that the change period exceeds the threshold value Z. That is, when the posture is not changed for a predetermined period, each pillar member 211 moves (the posture of the user U is changed).
- the threshold value Z is set to, for example, 20 to 30 minutes from the viewpoint that it is effective to turn over every 30 minutes in order to prevent snoring, sleep apnea and congestion, muscle stiffness, and the like.
- the first control unit 321 controls the position where each pillar member 211 moves according to the body position.
- the body position is estimated according to the detection signal S1 generated by the first acquisition unit 41.
- the body position is, for example, the position of the body axis of the user U.
- the first control unit 321 controls the position of each pillar member 211 so as to turn over to a position different from the current body position.
- 5 to 8 are explanatory views illustrating an example of movement of the pillar member 211 when viewed from the Y direction. 5 to 8 show the state of the pillar member 211 when the user U changes his / her body position (turns over) from the supine position to the lateral position.
- the movement of the pillar member 211 is controlled so as to transition from the state A1 ⁇ the state A2 ⁇ the state A3 ⁇ the state A4.
- the user U changes his / her posture from the supine position to the lateral decubitus position (turns over).
- Body positions are continuously identified from state A1 to state A4.
- the movement of the pillar member 211 from the state A1 to the state A4 is performed by specifying the body position.
- the tip (the end on the positive side in the Z direction) of one or more pillar members 211 corresponding to either the left or right side of the user U when viewed from the Y direction among the plurality of pillar members 211 is lowered. Then, let the user U turn over.
- the state A1 in FIG. 5 is the state of the pillar member 211 when the user U is in the supine position.
- the positions in the Z direction at the tips of all the pillar members 211 are the same.
- the state A1 the case where the positions in the Z direction at the tips of all the pillar members 211 are the same is illustrated as the state A1.
- the tips of the pillar members 211 may be located at different positions so that there is no burden depending on the body of the user U.
- the column member 211 is lowered (moved to the negative side in the Z direction).
- the pillar member 211 is moved so as to be inclined from the body position side to the positive end and the negative end in the X direction.
- the pillar members 211 located at the positive end and the negative end in the X direction have their tips lowered by, for example, about 50 mm as compared with the pillar members 211 corresponding to the body position.
- FIG. 7 illustrates a case where one or more pillar members 211 located on the right side (positive side in the X direction) of the user U are further lowered from the state A2. For example, the end on the positive side in the X direction is lowered from the state A2 by about 50 mm.
- the pillar member 211 may be moved so that the position corresponding to the right shoulder portion of the user U is the lowest.
- one or more pillar members 211 located on the left side (negative side in the X direction) of the user U are raised (for example, about 100 mm) from the state A2. If the end on the positive side in the X direction is within 60 mm from the state A2, the lowering distance is arbitrary. Similarly, if the positive end in the X direction is within 60 mm from the state A2, the raising distance is arbitrary.
- one or more pillar members 211 located on the right side of the user U are further lowered, and one or more pillar members 211 located on the left side of the user U are further raised. ..
- one or more pillar members 211 located on the right side of the user U descend by about 60 to 100 mm from the state A1, and one or more pillar members 211 located on the left side of the user U. It rises by about 60 to 100 mm. That is, a height difference of about 120 to 200 mm occurs in the plurality of pillar members 211.
- one or more pillar members 211 on either the left or right side (right side in the first embodiment) of the user U when viewed from the Y direction among the plurality of pillar members 211 are lowered. It moves so that one or more pillar members 211 on the other side (left side in the first embodiment) rise. That is, the inclination of the user U from one side to the other side when viewed from the Y direction among the plurality of pillar members 211 is made to be a gentle slope. Since the posture of the user U is changed according to the movement of the plurality of pillar members 211, it is possible to change the posture (turn over) from the supine position to the lateral decubitus position.
- one or more pillar members 211 on the lowering side have pillar members 211 having a width (about 400 mm) exceeding the shoulder width on the lowering side when viewed from the Y direction. Lower it.
- the side of the plurality of column members 211 to be raised when viewed from the Y direction has a width as small as possible (length in the X direction).
- the specific example of the movement of the pillar member 211 when the body position of the user U is changed from the supine position to the lateral position is not limited to the above. If it is possible to make the user U turn over by lowering the tip of one or more pillar members 211 on either the left or right side of the user U when viewed from the Y direction among the plurality of pillar members 211, the pillars
- the method of moving the member 211 is arbitrary.
- the change in the position is not limited to the above example.
- the pillar member 211 may be moved so that the user U changes from the supine position to the lateral decubitus position, or the pillar member 211 may be moved so as to change from one supine position to the other supine position. ..
- the second control unit 322 controls the temperature mechanism 22 according to the body temperature (biological information) of the user U.
- the body temperature biological information
- the method for controlling the temperature mechanism 22 is not limited to the above examples.
- the second control unit 322 provides a temperature mechanism 22 so that the body temperature of each part of the body (trunk, limbs, neck and head) is maintained at the target body temperature (hereinafter referred to as “target body temperature”). Control.
- the body temperature of each part of the body is specified from the detection signal S2 acquired by the second acquisition unit 42.
- the second control unit 322 has a temperature mechanism so that the target body temperature of the trunk and limbs is 26.0 ° C, the neck is 25.0 ° C, and the head is 18.0 ° C.
- the temperature mechanism 22 is controlled so that the target body temperature of each part rises (+0.25 to 0.5 ° C./hour) over time.
- the temperature mechanism 22 it is not essential to control the temperature mechanism 22 so that the target body temperature changes over time.
- the temperature of the adjusting liquid of the temperature mechanism 22 is controlled to be higher, and when the body temperature specified by the detection signal S2 is higher than the target body temperature. Is controlled so that the temperature of the adjusting liquid of the temperature mechanism 22 becomes low.
- the third control unit 323 controls the humidity mechanism 23 according to the humidity of the body surface of the user U.
- the method for controlling the humidity mechanism 23 is not limited to the above examples.
- the third control unit 323 has, for example, a temperature so that the humidity of the body surface of each part of the body (trunk, limbs, neck and head) is maintained at the target humidity (hereinafter referred to as “target humidity”).
- the mechanism 22 is controlled.
- the humidity of each part of the body is specified from the detection signal S3 acquired by the third acquisition unit 43.
- the third control unit 323 controls the humidity mechanism 23 so that the target humidity of each part of the body is 50% or less.
- the humidity mechanism 23 is controlled to blow humid air, and the humidity specified by the detection signal S3 is higher than the target humidity. In some cases, the humidity mechanism 23 is controlled to blow dry air.
- the method of setting the target body temperature and the target humidity is arbitrary.
- the user U may set the target body temperature and the target humidity for each part by the input device (not shown) of the processing device 30. Further, the target body temperature and the target humidity may be changed over time, for example.
- each of the plurality of pillar members 211 moves individually, it is possible to move the mattress 20A for each region corresponding to each pillar member 211. That is, the mattress 20A can be moved in units of subdivided regions. Therefore, it is possible to appropriately assist the user U during sleep in changing his / her body position. As a result, the user U can change his / her posture without taking an unreasonable posture.
- the movement of the plurality of pillar members 211 is controlled by the biological information, it is possible to assist the change of the body position according to the user U. That is, it is possible to provide sleep optimized for each user U.
- the movement of the plurality of pillar members 211 is controlled according to the body position and the change period, it is possible to individually assist each user in changing the optimum position.
- the body temperature and humidity of the user U should be maintained appropriately. Is possible. That is, while adjusting the temperature and humidity, it is possible to appropriately assist the sleeping user to change his / her body position at any time. As understood from the above description, according to the bedding system 100 of the first embodiment, it is possible to provide a comfortable sleep to the user.
- the pillow 20B is exemplified as bedding. Other components are the same as those in the first embodiment except that the types of bedding are different.
- FIG. 9 is a plan view of the bedding according to the second embodiment. Similar to the first embodiment, the bedding system 100 according to the second embodiment also includes a bedding, an auxiliary mechanism 21, a temperature mechanism 22, a humidity mechanism 23, a processing device 30, and a sensor unit 40.
- FIG. 10 is a side view of the pillow 20B (a side view when the positive in the X direction is entwined).
- the pillow 20B is also provided with the accommodating body K in the same manner as the mattress 20A.
- the housing K includes a surface (contact surface F) on which the head is placed when the user U lies down.
- the auxiliary mechanism 21, the temperature mechanism 22, and the humidity mechanism 23 are installed inside the pillow 20B as in the first embodiment.
- the auxiliary mechanism 21 according to the first embodiment includes a plurality of pillar members 211 as in the first embodiment.
- the diameter of the pillar member 211 (the length of the diagonal line of the regular hexagon) is, for example, 10 to 20 mm.
- the temperature mechanism 22 of the second embodiment is a mechanism for adjusting the temperature of the pillow 20B. Therefore, it is possible to adjust the temperature at the head of the user U.
- the temperature mechanism 22 includes the adjusting liquid and the adjusting device 213 as in the first embodiment. It fills the entire interior of the containment K in pillow 20B.
- the adjusting liquid is filled in the gap between the pillar member 211 and the pillar member 211, the inside of the pillar member 211, and above and below the pillar member 211.
- the buoyancy as large as possible is provided.
- a liquid with a large specific gravity is used as the adjusting liquid so that it can be realized.
- the temperature mechanism 22 is preferably configured so that the temperature can be adjusted for each of a plurality of regions corresponding to the plurality of parts of the head of the user U in the pillow 20B.
- the gap between the pillar members 211 is filled with the adjusting liquid. Therefore, as illustrated in FIG. 10, the buoyancy of the adjusting liquid causes the position of the tip of each pillar member 211 to follow the shape of the body surface according to the difference in the distribution of the body load. As described above, each pillar member 211 moves under the control of the first control unit 321 and also moves according to the load of the user U. The same configuration can be adopted in the first embodiment.
- the humidity mechanism 23 is a BR> mechanism for absorbing or humidifying, as in the first embodiment.
- the humidity mechanism 23 is installed at an arbitrary position inside the housing K in the pillow 20B.
- the humidity mechanism 23 is composed of a plurality of blowers (for example, a compressor or a fan) capable of sending wind whose temperature and humidity are adjusted.
- the blower is installed at a position where the sent wind hits the head (particularly the neck) of the user U from the contact surface. Therefore, it is possible to adjust the humidity of the head of the user U by blowing air from the humidity mechanism 23.
- the sensor unit 40 of the second embodiment includes a first acquisition unit 41, a second acquisition unit 42, and a third acquisition unit 43, as in the first embodiment.
- the first acquisition unit 41 is a sensor used for specifying the body position and the change period, as in the first embodiment.
- the body position of the second embodiment is the position of the head (for example, the center of gravity) of the user U on the contact surface.
- the first acquisition unit 41 generates a detection signal S1 that is displaced according to the load of the head of the user U in the contact surface F, as in the first embodiment.
- the detection signal S1 is used to identify the body position and the change period, as in the first embodiment.
- a plurality of first acquisition units 41 are provided at predetermined intervals in the area on the contact surface F side inside the pillow 20B (accommodation body K).
- the second acquisition unit 42 is a sensor that generates a detection signal S2 representing the body temperature of the user U, as in the first embodiment.
- the second acquisition unit 42 is attached (attached) to, for example, a plurality of locations on the head and neck of the user U.
- the third acquisition unit 43 is a sensor that generates a detection signal S3 indicating the humidity of the body surface of the user U, as in the first embodiment.
- the third acquisition unit 43 is, for example, mounted at the same position as the second acquisition unit 42 on the body surface of the user U.
- the first control unit 321 controls the movement of each pillar member 211 in the auxiliary mechanism 21 according to the change period and the body position, as in the first embodiment. First, the first control unit 321 controls the timing at which each pillar member 211 moves according to the change period. Specifically, the first control unit 321 moves each pillar member 211 when the determination unit 311 determines that the change period exceeds the threshold value Z. Secondly, the first control unit 321 controls the position where each pillar member 211 moves according to the body position.
- the second control unit 322 controls the temperature mechanism 22 according to the body temperature (biological information) of the user U, as in the first embodiment.
- the third control unit 323 controls the humidity mechanism 23 according to the humidity of the body surface on the head of the user U, as in the first embodiment.
- FIGS. 12 to 14 are explanatory views illustrating an example of movement of the pillar member 211 when viewed from the Y direction.
- FIGS. 12 to 14 the state of the pillar member 211 when the user U changes his / her body position (turns over) from the supine position to the lateral position will be described.
- the movement of the pillar member 211 is controlled so as to transition from the state B1 to the state B2 to the state B3 to the state B4.
- the user U changes his / her posture from the supine position to the lateral decubitus position (turns over).
- Body positions are continuously identified from state B1 to state B4.
- the movement of the pillar member 211 from the state B1 to the state B4 is performed by specifying the body position.
- the states B1 to B4 correspond to the states A1 to A4 in the first embodiment.
- the state B1 in FIG. 11 is the state of the pillar member 211 when the user U is in the supine position.
- one or more pillar members 211 corresponding to predetermined widths on the left and right sides (negative side and positive side in the X direction) of the head of the user U among the plurality of pillar members 211 are lowered ( Move to the negative side in the Z direction).
- the pillar member 211 is moved so as to be inclined from the body position side to the positive end and the negative end in the X direction.
- the pillar members 211 located at the positive end and the negative end in the X direction have their tips lowered by, for example, about 15 mm as compared with the pillar members 211 corresponding to the body position.
- one or more pillar members 211 corresponding to a predetermined width located on either the left or right side of the head of the user U among the plurality of pillar members 211 are further lowered.
- the pillar member 211 on the side where the head of the user U has voluntarily moved is further lowered.
- FIG. 13 illustrates a case where one or more pillar members 211 located on the right side (positive side in the X direction) of the head are further lowered from the state B2.
- the end on the positive side in the X direction is lowered from the state B2 by about 15 mm.
- one or more pillar members 211 located on the left side (negative side in the X direction) of the user U and corresponding to a predetermined width are raised (for example, about 15 mm) from the state B2. If the end on the positive side in the X direction is within 15 mm from the state B2, the lowering distance is arbitrary. Similarly, if the positive end in the X direction is within 15 mm from the state B2, the raising distance is arbitrary.
- one or more pillar members 211 located on the right side of the head of the user U are further lowered, and one or more pillar members 211 located on the left side of the user U are moved. Raise it further.
- one or more pillar members 211 located on the right side of the user U descend by about 30 to 60 mm from the state B1, and one or more pillar members 211 located on the left side of the user U. It rises by about 30 to 60 mm. That is, a height difference of about 60 to 120 mm occurs in the plurality of pillar members 211.
- one or more pillar members 211 on either the left or right side (right side in the first embodiment) of the user U when viewed from the Y direction among the plurality of pillar members 211 are lowered. It moves so that one or more pillar members 211 on the other side (left side in the first embodiment) rise. That is, the inclination of the user U from one side to the other side when viewed from the Y direction among the plurality of pillar members 211 is made to be a gentle slope. Since the posture of the user U is changed according to the movement of the plurality of pillar members 211, it is possible to change the posture (turn over) from the supine position to the lateral decubitus position.
- the change period is used to control the timing of moving the pillar member 211, but the biological information used to control the timing of moving the pillar member 211 is not limited to the above examples. For example, the following various information is used to control the timing of moving the pillar member 211.
- the information about snoring is, for example, the volume of snoring of user U.
- the first acquisition unit 41 (for example, a microphone) collects the snoring of the user U and generates the detection signal S1 corresponding to the sound.
- the determination unit 311 identifies the volume of snoring represented by the detection signal S1 and compares the volume with a predetermined threshold value.
- the first control unit 321 moves the pillar member 211 when the determination unit 311 determines that the volume of snoring exceeds a predetermined threshold value.
- the information about snoring is not limited to the volume of snoring. For example, the frequency of snoring may be used as information on snoring.
- the information regarding respiration is, for example, the respiratory rate of user U.
- the first acquisition unit 41 is an arbitrary sensor capable of detecting the respiration of the user U, and generates a detection signal S1 representing the respiration of the user U.
- the determination unit 311 identifies the respiratory rate in a predetermined period from the detection signal S1 and compares the respiratory rate with the predetermined threshold value.
- the first control unit 321 moves the pillar member 211 when the determination unit 311 determines that the respiratory rate is below a predetermined threshold value.
- the period of apnea may be used as information on breathing.
- the determination unit 311 identifies a period of apnea from the detection signal S1 and compares the period with a predetermined threshold value.
- the first control unit 321 moves the pillar member 211 when the determination unit 311 determines that the period exceeds a predetermined threshold value.
- the information on respiration is not limited to the respiratory rate and the period of apnea.
- the information about the heart rate is, for example, the heart rate of the user U.
- the first acquisition unit 41 is an arbitrary sensor capable of detecting the heart rate of the user U, and generates a detection signal S1 representing the heart rate of the user U.
- the determination unit 311 identifies the heart rate in a predetermined period from the detection signal S1 and compares the heart rate with the predetermined threshold value.
- the first control unit 321 moves the pillar member 211 when the determination unit 311 determines that the respiratory rate exceeds (or falls below) a predetermined threshold value.
- the occurrence of arrhythmia may be used as information on heartbeat.
- the determination unit 311 detects the occurrence of an arrhythmia from the detection signal S1.
- the first control unit 321 moves the pillar member 211 when the determination unit 311 detects an arrhythmia.
- the biological information used for controlling the timing of moving the pillar member 211 is arbitrary.
- the biological information used for controlling the timing of moving the pillar member 211 is not limited to the above examples.
- various information such as body temperature, body movement, and humidity on the body surface are exemplified as biological information used for controlling the timing of moving the pillar member 211.
- a plurality of types of biological information may be combined and used to control the timing of moving the pillar member 211.
- the biological information used to control the position where each pillar member 211 moves is not limited to the body position.
- various information such as body temperature, body movement, and humidity on the body surface are exemplified as biological information used for controlling the position where the pillar member 211 moves.
- a plurality of types of biological information may be combined and used to control the position where the pillar member 211 moves.
- biometric information is a general term for information used for controlling the auxiliary mechanism 21.
- a sensor corresponding to the type of biological information is appropriately adopted in the first acquisition unit 41.
- the biological information used for controlling the temperature mechanism 22 is not limited to the body temperature of the user U.
- various other biological information may be used for controlling the temperature mechanism 22.
- the biological information used for controlling the humidity mechanism 23 is not limited to the humidity on the body surface of the user U.
- a configuration in which the user U evaluates the degree of good sleep (for example, 10-step evaluation) when sleeping using the bedding system 100 is also adopted.
- User U inputs the evaluation using the input device.
- the second control unit 322 may set the target body temperature in consideration of the evaluation by the user U.
- the third control unit 323 may set the target humidity in consideration of the evaluation by the user U. That is, the second control unit 322 and the third control unit 323 may feedback control the temperature mechanism 22 and the humidity mechanism 23 based on the evaluation by the user U.
- the second control unit 322 sets the target body temperature (the target temperature at which the user U can be estimated to have the best sleep) by using the learned model that learned the relationship between the degree of good sleep and the target body temperature.
- You may.
- a trained model that learns the relationship between the degree of good sleep and various other parameters temperature, body temperature, humidity, psychological state, stool, urination, barometric pressure, season, etc.
- the target humidity the target humidity that can be estimated that the user U can sleep the most
- a trained model that learns the relationship between the degree of good sleep and various other parameters temperature, body temperature, humidity, psychological state, stool, urination, barometric pressure, season, etc.
- the trained model is a statistical inference model generated by machine learning.
- Various statistical inference models such as decision trees or neural networks, are suitably used as trained models.
- the trained model is realized by a combination of a program that causes the control device 31 to execute an operation for generating output data from input data (for example, a program module constituting artificial intelligence software) and a plurality of coefficients applied to the operation.
- the plurality of coefficients are set by machine learning (particularly deep learning) using a large number of teacher data and held in the storage device 32.
- the target humidity is set to 50% or less (43% to 50%) and the trunk. -Set the target temperature to, for example, 26.0 ° C for the limbs, 25.0 ° C for the neck, and 18.0 ° C for the head. Then, over time, the degree of good sleep when waking up when the target temperature is set to rise at 0.25 to 0.5 ° C / hour while keeping the target humidity at 50% or less at all parts of the body is used.
- Person U evaluates. As described above, a configuration in which an evaluation for each part of the body is input can also be adopted. However, it is not essential to control the humidity mechanism 23 and the temperature mechanism 22 for each part.
- the first control unit 321 may control the movement of the pillar member 211 of the auxiliary mechanism 21 in consideration of the evaluation by the user U. For example, the first control unit 321 controls the movement of the pillar member 211 by using a learned model that has learned the relationship between the degree of good sleep and the movement (for example, timing and position of movement) of the pillar member 211.
- the temperature mechanism 22 and the humidity mechanism 23 are controlled using the trained model, it is possible to individually optimize the target temperature and the target humidity for each user U. As a result, it is possible to promote a comfortable sleep for the user U.
- the bedding in which the mattress 20A and the pillow 20B are integrated may be used for the bedding system 100.
- the components and the control method of the auxiliary mechanism 21, the temperature mechanism 22, and the humidity mechanism 23 are the same as those in each of the above-described forms.
- the bedding is portable (it can also be used with a storage battery).
- the material of the bedding container K is washable.
- the maximum length is about 700 to 900 mm from the top of the head to below the shoulder blade, and the width is also 700 to 900 mm.
- the length shall be from the top of the head to the top of the neck, about 250 to 350 mm, and the width shall exceed the shoulder width, and shall be about 450 to 600 mm.
- the height is the length that makes it easy to turn over from the lateral decubitus position, the shoulder width minus the length from the center of the body axis (rotation), the center of the neck to the temporal region (considering personal comfort, slightly).
- the width should be increased according to the individual physique.
- the auxiliary mechanism 21, the temperature mechanism 22, and the humidity mechanism 23 may be controlled in consideration of the weight, height, age, gender, each medical history, and the like of the user U.
- the first control unit 321 may move the pillar member 211 at predetermined intervals according to the biological information.
- the material of the bedding is preferably a hygroscopic material, and further, it is particularly effective against dew condensation and static electricity when the target temperature of the temperature mechanism 22 is lowered. Choose with care.
- the method for controlling the auxiliary mechanism 21, the temperature mechanism 22, and the humidity mechanism 23 may be as follows.
- the second control unit 322 has 20 to 24 heads and necks when falling asleep, based on the finding that a comfortable low temperature head cold helps to lower the temperature of the brain that has risen due to overheating during the day and makes sleep comfortable.
- the temperature mechanism 22 is controlled so that the temperature is 10 ° C or higher and lower than the body temperature, and the temperature is 28 ° C, which is 7 ° C or lower than the trunk body temperature, even in the morning when the body temperature rises endocrine toward waking up.
- each pillar member 211 of the auxiliary mechanism 21 may be controlled so as to decrease to 0 to 5 degrees.
- the interval between the bathing time and the sleeping time is also significant. That is, it is desirable to go to bed after about 5 to 10 minutes of bathing in a loose-eyed half-body bath at 39 to 40 ° C, when the body temperature drops and sleepiness is likely to occur, preferably 1.5 hours later. It is necessary to input such daily contents in order to realize comfortable sleep.
- the initial set temperature of the part (adjustment liquid) corresponding to the upper body part of the temperature mechanism 22 is also lowered than usual when it is difficult to adjust the room temperature, and the drowsiness becomes stronger. To do so.
- the starting temperature is set to 1 to 2 ° C or more lower than the initial setting, for example, 20 to 22 ° C for the head and neck and 22 to 24 ° C for the chest.
- the temperature of the lower half of the body is set to 24-26 ° C, and the changes over time in the target body temperature and target humidity up to the scheduled wake-up time are reset, and when wake-up, comfortable sleep and comfortable awakening at the initially set wake-up temperature are realized.
- the temperature of the temperature mechanism 22 is raised toward the scheduled wake-up time, and at the same time, the lighting device provided on the side surface of the bedding system 100 makes it brighter with the passage of time from 30 to 60 minutes before wake-up. In terms of light and sound from indirect lighting, it also promotes awakening, and at the same time, it has a function that doubles as an alarm clock with sound that is not unpleasant due to the acoustic equipment provided in the bedding system 100. Furthermore, if the person does not wake up after the scheduled time (when the weight load on the bedding does not disappear), a vibrating device that increases with time is also activated to promote wakeup.
- ⁇ Pillow 20B> First of all, for comfortable sleep, not only is it easy to fall asleep, but whether the ratio of deep sleep (the ratio of NREMst3) can be secured at 20 to 25% or more, whether it is easy to turn over, and whether it was a natural awakening when waking up. Please, there is a feeling of recovery from fatigue, a feeling of good sleep / satisfaction, no headache, headache, pain in various parts of the body, fever / fatigue / fatigue, mental / psychological depression, and a positive feeling toward work. There is also a big thing.
- the target body temperature and the target humidity are not always constant values, but may be changed over time or may be changed due to various factors.
- FIG. 16 is a block diagram of the humidity mechanism 23 according to the modified example.
- the humidity mechanism 23 includes a compressor, an ultraviolet irradiation device, a hygroscopic layer, and an activated carbon layer.
- the air sent from the compressor is sent to the bedding 20 (20A, 20B) via the tube.
- An ultraviolet irradiation device, a hygroscopic layer, and an activated carbon layer are provided between the compressor and the bedding.
- the air sent from the compressor first passes through the ultraviolet irradiation device, and the ultraviolet irradiation device includes, for example, a constant temperature bath and a UVC lamp (germicidal lamp).
- the tube is placed in a constant temperature bath set to a predetermined temperature (for example, can be set every 1 ° C. at 18 ° C. to 28 ° C.), and the tube is irradiated with a UVC lamp.
- irradiation with a UVC lamp is performed for 10 seconds or more, which shows a sufficient effect of killing microorganisms such as viruses and bacteria.
- the humidity can be set to a predetermined humidity (for example, it can be set every 2% at 40% to 52%).
- the air that has passed through the ultraviolet irradiation device passes through a moisture absorbing layer (for example, silica gel) whose humidity can be further adjusted, and is sent to the activated carbon layer.
- a moisture absorbing layer for example, silica gel
- ozone generated in the ultraviolet irradiation device is collected. Then, the air that has passed through the activated carbon layer is sent to a position corresponding to each part of the bedding.
- the hygroscopic layer is not essential.
- an ultraviolet irradiation device may be provided for each part of the body.
- the humidity mechanism 23 may be provided entirely inside the bedding, or may be partially provided outside the bedding.
- FIG. 16 the configuration in which the humidity control device includes one ultraviolet irradiation device is illustrated, but the number of ultraviolet irradiation devices is arbitrary and can be appropriately changed according to the length of the tube. From the viewpoint of obtaining a sufficient killing and extinguishing effect regardless of the number of ultraviolet irradiation devices, a configuration capable of irradiating with a UVC lamp for 10 seconds or longer as a whole is preferable.
- the temperature and humidity in the humidity mechanism 23 are expected to change before reaching each part of the body. Therefore, the relationship between the temperature and humidity in the humidity mechanism 23 and the temperature and humidity in each part, including the outside air temperature / humidity and weather, the user's body temperature, and the physical condition including inflammation in each part, etc.
- the trained model may be trained by machine learning. Then, the temperature and humidity in the humidity mechanism 23 may be set by using the trained model.
- the movement of the external auxiliary mechanism 21 (pillar member 211) that blocks the voluntary movement of the person who is too large may hinder a good sleep. .. Therefore, first, for the purpose of exploring the voluntary movement of the body axis, center of gravity, breathing, etc. of the user U, set an arbitrary initial target temperature and target humidity, and after use 1 (normal) to 2 (shift work, etc.) In the case of), in a flat state for a week, monitor various parameters such as weight, heartbeat, respiration, sneezing, and body temperature changes over time, such as the person's limbs / body movements, turning over, etc. under atmospheric pressure, temperature / humidity, etc.
- the person's feeling of good sleep, satisfaction, etc. are fed back and the target temperature.
- the time lapse setting of the target humidity is set to the comfortable mode, and various parameters such as weight, breathing, sneezing, and body temperature change are monitored and recorded over time for the person's limbs / body movement, turning over, etc. Record and grasp temporal, physical or geographical changes as temporal changes on three-dimensional coordinate axes, and utilize them for initial conditions at the time of full-scale use or for assisting in changing body position.
- the good sleep checklist for example, the treatment may be changed in a plurality of stages as follows. 8 score or less 9-14 score as it is Needed to be adjusted by the person in charge of the device 15-20 score Needs instructions such as changing the prescription of the attending physician 21 score or more Needs medical treatment by a sleep specialist or a psychiatrist
- auxiliary mechanism 21, the humidity mechanism 23, and the temperature mechanism 22 may be controlled by adding the following various information at the time of explanation before use.
- Family composition including stress, care status, etc.), height / weight (BMI), history (especially heart disease such as stroke and arrhythmia), complications (chronic tonsillitis, sinusitis, etc.) (Including) ⁇ Current symptoms (including heart disease such as hypertension, diabetes, heart failure, cerebrovascular disorder, asthma, pulmonary emphysema, liver disease, depression, etc.) ⁇ Family history, life history (sleep habits (mainly posture during sleep (mainly)) Lying, right side, left side) / Sleep time (including nap and double sleep), bathing (including time / temperature, sauna, etc.), coffee (time (daytime, after evening), amount, etc.) In addition, smoking (past smoking, current smoking / passive smoking) / drinking (frequency, amount, blush / no), allergy history (including pollinosis / asthma), normal blood pressure / pulse, including luxury items, etc.
- BMI height / weight
- history especially heart disease such as stroke and arrhythmia
- complications chronic tonsillitis, sinusit
- the user U is made to input the AHI value, etc. at the time of diagnosis of sleep apnea syndrome by the input device.
- the user U is asked to input the sleep time and contents (including the number of times of waking up and the number of toilets at night), the physical condition at the time of waking up, the symptoms such as a feeling of good sleep, headache, and dryness, and the state and malfunction of the device. ..
- items related to subjective symptoms include daytime sleepiness (for example, when you are about to fall asleep, when you are sitting and reading newspapers or books, when you are sitting and watching TV, during a meeting or in a movie theater. ⁇
- daytime sleepiness for example, when you are about to fall asleep, when you are sitting and reading newspapers or books, when you are sitting and watching TV, during a meeting or in a movie theater.
- Bedding is not limited to mattress 20A and pillow 20B.
- the present invention may be applied to chair-type bedding.
- chair-type bedding include reclining chairs, massage chairs, and chairs for users with various diseases (for example, persons with disabilities, severely obese persons, sarcopenia, etc.).
- the second control unit 322 controls the temperature mechanism 22 so that the temperature of the bedding (particularly the mattress 20A) changes with time while the user U is sleeping. It is preferably adopted. In the above configuration, it is preferable that the bedding system 100 is provided with an arbitrary known sensor that measures whether or not the user has fallen asleep and the time elapsed since the user fell asleep.
- the second control unit 322 lowers the temperature of the temperature mechanism 22 so that the deep body temperature of the trunk together with the head and neck is lowered so that the excited state of the sympathetic nerve can be accommodated and the sleep can be smoothly fallen. ..
- the core body temperature of the trunk continues to decrease during sleep time, it becomes hypothermic and the functions of internal organs and tissues such as the five viscera and six limbs deteriorate, and fatigue cannot be recovered, and fatigue and fatigue are felt after waking up. There is a risk that you will not feel refreshed or positive. Therefore, the second control unit 322 raises the temperature of the temperature mechanism 22 gradually with the passage of time from after falling asleep to before waking up.
- An increase in core body temperature also results in a gradual increase in the temperature of blood flow to the brain.
- it is suitable to surely secure a good sleep by raising the temperature of the head and neck from, for example, 30 minutes before waking up.
- the second control unit 322 controls the temperature mechanism 22 so that the temperature of the portion (region) of the bedding corresponding to the body portion changes with time so that the core body temperature of the user U described above changes with time.
- the second control unit 322 controls the temperature mechanism 22 so that the part of the bedding corresponding to the head and neck does not significantly reduce brain function and cerebral circulation, and sufficient deep sleep (stage 3 of non-rem sleep) can be obtained. do.
- the second control unit 322 may control the temperature mechanism 22 according to the sleep depth of the user U.
- the second control unit 322 is in the REM sleep state at the time of midway awakening or early morning awakening due to nighttime urination, the user U is in stages 1 and 2 of non-REM sleep, or one hour before the scheduled wake-up time after falling asleep.
- the temperature mechanism 22 is controlled so that the core body temperature decreases, deeper sleep (non-REM sleep stage3) is increased, and the balance of the autonomic nerve is improved, and the user U is in the REM sleep state within 1 hour of the scheduled wake-up time. If so, the temperature mechanism 22 is controlled so that the core body temperature rises.
- the bedding system 100 has a sensor for detecting the sleep state of the user U, or that the bedding system 100 is provided with a sensor for inputting the degree of good sleep when waking up, and feedback is given to AI for learning and improvement.
- Growth hormone which is mostly secreted during deep sleep within 3 hours after falling asleep, is known to play an important role in maintaining internal organs and maintaining hair, so 3 hours after falling asleep. It is necessary to secure a deep sleep time within.
- the second control unit 322 in addition to controlling the temperature mechanism 22 over time, has a mental and physical condition (for example, an environment such as work / home, overwork, stress, etc.) and a living condition (for example, work / home environment, overwork, stress, etc.) of the user U before sleep.
- a mental and physical condition for example, an environment such as work / home, overwork, stress, etc.
- a living condition for example, work / home environment, overwork, stress, etc.
- the temperature mechanism 22 may be controlled according to individual circumstances such as bathing, exercise, ingestion of luxury items, etc.) and the presence or absence of a disease.
- the third control unit 323 controls the humidity mechanism 23 so that the humidity of the bedding changes with time while the user U is sleeping is preferably adopted.
- the bedding system 100 has the following configuration from the viewpoint that the temperature control of the trunk and limbs is insufficient only by controlling the temperature of the head and brain, the core body temperature required for falling asleep is lowered, and the bedding is naturally turned over. May be adopted.
- the sensible temperature has a great relationship with the humidity. Specifically, the temperature and humidity that change with the passage of time during sleep are greatly affected by the amount of sweating (affected by sweating ability, water intake, amount of exercise, etc.) as well as the external humidity. Therefore, in order to realize a comfortable sleep, it is preferable to control the humidity, the wind, and the like together with the temperature in addition to controlling the temperature during sleep.
- the sensible temperature of each part of the body during sleep, the humidity around the body, and turning over also change depending on the physical and mental conditions during the day, physical activity, diet, hydration, temperature and humidity of the environment spent. Therefore, it is preferable to use AI for controlling the temperature and humidity during sleep. Further, it is more preferable to control the feedback by using the information as to whether or not a feeling of good sleep is obtained.
- the bedding system 100 according to the present invention is also suitably used for, for example, a bedridden user. By having the user turn over with the bedding system 100, it is possible to prevent acne and economy syndrome.
- a moving mechanism for example, a hydraulic pump for moving each pillar member 211 in the vertical direction and the lateral direction.
- a movement mechanism for example, a hydraulic pump
- the positions of the pillar members 211 in the vertical direction and the lateral direction are adjusted by the moving mechanism to change the shape of the bedding 20, so that the bedding 20 can be turned over smoothly, which leads to a better sleep, and the sleep is shallow.
- postures that lead to sleep such as correction of the back of a cat, it is also possible to assist when waking up from sleep, that is, from the lying position to the sitting position and further to the standing position.
- the shape is changed as follows.
- the center of gravity (tail portion) of the mattress 20A is recessed, and the direction of the body is changed at right angles from the long axis direction of the mattress 20A to the following out-of-bed portion.
- the part of the mattress 20A from the center of gravity to the part away from the mattress 20A is dented, and the mattress 20A is transformed into a shape like a chair with a handrail. Let me. Therefore, it is possible to facilitate the user to get up. As a result, it is possible to reduce the burden on the caregiver.
- the mattress 20A when moving from the standing position to the mattress 20A, the mattress 20A is deformed into a shape like a chair with a handrail to reduce the burden of caregiving, and the center of gravity (buttocks) is further recessed.
- the direction of the body should be in the direction of the long axis of the mattress 20A. Therefore, it is possible to reduce the burden of caregiving even when going to bed.
- the bedding system 100 according to the present invention is also suitably used to promote a good night's sleep of a user U located in an extreme environment such as a spacecraft or a deep-sea submarine.
- Beds also have great implications for the quality and quantity of sleep.
- Water pressure once popular in the United States, bears the weight load of the body relatively evenly over a wide contact area, albeit with some subduction, even with a strong tendency to become obese.
- the specific heat of water is relatively large, and it has advantages for sleep, such as absorbing body temperature and reducing temperature changes.
- recent findings have revealed that when the mattress is nearly flat, it becomes a burden on breathing during sleep in the case of circulatory failure or respiratory failure.
- Most medical beds such as smart beds are those that raise the upper body, and are also used in some household beds. However, in terms of surface correspondence, it is far from the shape of the body surface, and it is difficult to ideally disperse the weight load.
- the body temperature during sleep differs depending on the part, as it is conventionally called head cold foot temperature. This cannot be achieved with water beds or smart beds. Furthermore, it is known that the inflamed area is accompanied by an increase in temperature, which interferes with sleep. As a result of recent whole-body MRI examination analysis, not only the blood flow is increased in the part where the brain function is active, but also the blood flow is increased and the body temperature is increased, including digestion and absorption in the digestive tract other than the brain. It is known to be accompanied by.
- the lower right lateral decubitus position or the left lateral decubitus position is close to 50%, such as when there is an underlying disorder. Rolling over may require extra force if the pillow sinks under the weight of the head. Therefore, it is necessary to select a material that does not sink and has a relatively large specific heat while widely supporting the head and neck in a necessary and sufficient surface.
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- Signal Processing (AREA)
- Automation & Control Theory (AREA)
- General Physics & Mathematics (AREA)
- Pain & Pain Management (AREA)
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Abstract
Description
先ずは、温度上昇に繋がるもの
1 熱の移入(主に動脈血による)
2 熱産生 (主に筋肉・内臓(例:肝臓)及び充血、炎症反応)
3 熱対流 (露出した皮膚上を通る温度の高い気体(又は液体)から皮膚への熱の伝達)
4 熱伝導 (直接接触している体温よりも高温の表面(固体)から低温の体表面への熱の伝達)
5 熱対流伝導の抑制 (肥満(体表面積減少)、厚着、遮風)
6 熱放出放射 (主に周辺環境との温度差を小さくすべく赤外線、体表面積(痩せ)、自律神経のバランスが影響)
7 蒸発 (例:汗 水分の気化による冷却)
8 熱対流 (露出した皮膚上を通る温度の低い気体(又は液体)への熱の伝達:例:風通し)
9 熱伝導 (体表面から体表面温度よりも低温の表面(固体)への熱の伝導、或いは直接接触している高温の表面から低温(例:虚血部位)の表面への熱の伝達)
10 熱の移出(主に、静脈血・皮静脈・毛細血管による及び虚血)
などのバランスにより規定される。
図1は、第1実施形態に係る寝具システム100の平面図である。寝具システム100は、利用者Uの睡眠を補助するための寝具に関するシステムである。図1に例示される通り、寝具システム100は、マットレス20A(「寝具」の例示)と補助機構21と温度機構22と湿度機構23と処理装置30とセンサユニット40とを具備する。第1実施形態では、利用者Uが睡眠の際に横臥するためのマットレス20Aを寝具として例示する。
図4は、第1実施形態に係る寝具システム100の機能を例示するブロック図である。図4に例示される通り、センサユニット40は、利用者Uの生体に関する情報(以下「生体情報」という)を特定するための検出信号S(S1,S2,S3)を生成する検出機器である。第1実施形態のセンサユニット40は、第1取得部41と第2取得部42と第3取得部43とを具備する。
補助機構21は、マットレス20Aに横臥する利用者Uの***の変更(典型的には睡眠時の利用者Uの寝返り)を補助するための機構である。具体的には、補助機構21は、複数の柱部材211を含む。各柱部材211は、Z方向(マットレス20Aの厚さ方向)に沿って長尺な柱状の部材である。複数の柱部材211は、相互に平行になるように密接して配置される。複数の柱部材211は、平面視においてマットレス20Aの全体にわたるように配置される。
温度機構22は、マットレス20Aの温度を調整するための機構である。したがって、利用者Uの体温を調整することが可能である。例えば、温度機構22は、温度を変更可能な液体(以下「調整液」という)と、調整装置213とを具備する。調整液は、収容体Kの内部の全体にわたり充填される。例えば、柱部材211と柱部材211の隙間、柱部材211の内部、および、柱部材211の上方および下方などに調整液が充填される。したがって、各柱部材211は上下方向および横方向にも浮力により移動が可能になる。なお、調整液を収容体K内に充填する態様は任意である。例えば、調整液を充填させたチューブや樹脂製の袋体等を収容体Kに収容する。
湿度機構23は、吸湿または加湿するための機構である。具体的な、湿度機構23は、湿度を調整(除湿または加湿)した風を送出することが可能な複数の送風装置(例えばコンプレッサーまたはファン)で構成される。湿度機構23は、収容体Kの内部の任意の位置に設置される。例えば、送出された風が接触面から利用者Uに当たるような位置に送風装置が設置される。したがって、湿度機構23からの送風により利用者Uの体表の湿度を調整することが可能である。湿度機構23は、マットレス20Aにおいて利用者Uの身体の複数の部位毎に湿度を調整可能な構成が好適である。なお、マットレス20Aの湿度を調整することが可能であれば、湿度機構23の具体的な構成は任意である。
図4の処理装置30は、補助機構21と温度機構22と湿度機構23とを制御する装置である。第1実施形態の処理装置30は、制御装置31と記憶装置32とを具備するコンピュータシステムで実現される。例えばパーソナルコンピュータやタブレット等の情報端末が処理装置30として利用される。
本発明の第2実施形態を説明する。なお、以下に例示する各形態において作用または機能が第1実施形態と同様である要素については、第1実施形態の説明で使用した符号を流用して各々の詳細な説明を適宜に省略する。
以上に例示した各形態は多様に変形され得る。具体的な変形の態様を以下に例示する。以下の例示から任意に選択された2以上の態様を適宜に併合することも可能である。
いびきに関する情報は、例えば利用者Uのいびきの音量である。第1取得部41(例えばマイク)は、利用者Uのいびきを収音し、当該音に応じた検出信号S1を生成する。判定部311は、検出信号S1が表すいびきの音量を特定し、当該音量と所定の閾値とを比較する。第1制御部321は、いびきの音量が所定の閾値を上回ると判定部311が判定した場合に、柱部材211を移動させる。なお、いびきに関する情報は、いびきの音量には限定されない。例えば、いびきの頻度等をいびきに関する情報としてもよい。
呼吸に関する情報は、例えば利用者Uの呼吸数である。第1取得部41は、利用者Uの呼吸を検出可能な任意のセンサであり、利用者Uの呼吸を表す検出信号S1を生成する。判定部311は、検出信号S1から所定の期間における呼吸数を特定し、当該呼吸数と所定の閾値とを比較する。第1制御部321は、呼吸数が所定の閾値を下回ると判定部311が判定した場合に、柱部材211を移動させる。
心拍に関する情報は、例えば利用者Uの心拍数である。第1取得部41は、利用者Uの心拍数を検出可能な任意のセンサであり、利用者Uの心拍数を表す検出信号S1を生成する。判定部311は、検出信号S1から所定の期間における心拍数を特定し、当該心拍数と所定の閾値とを比較する。第1制御部321は、呼吸数が所定の閾値を上回る(または下回る)と判定部311が判定した場合に、柱部材211を移動させる。
第2制御部322は、快適な低温による頭寒が、日中過熱気味で高まった脳の温度を下げるのに役立ち、眠りを快適にするという知見から、入眠時には頭部や頚部を20~24℃と体温から10℃以上、下とし、内分泌的に起床に向け体温上昇する朝方でも28℃と体幹部体温よりも7℃以下になるように温度機構22を制御する。
まず快適な睡眠には、入眠しやすいだけでなく、深い睡眠の割合(NREMst3の割合が)が20~25%以上確保できるかどうか、寝返りが打ちやすいかどうか、また起床時に自然な目覚めであったかどうか、疲労回復感、快眠感・充足感があり、頭重、頭痛、身体各部位の疼痛、発熱・疲労感・倦怠感や精神・心理的に憂鬱傾向がなく、仕事に向けての前向き感があることも大きい。
8スコア以下 現状のまま
9~14スコア 装置担当者による調整が必要
15~20スコア 主治医の処方変更などの指示が必要
21スコア以上 睡眠専門医あるいは精神神経科専門医の診療が必要
頭、脳の温度制御だけでは、体幹部・四肢の温度制御が不十分で、入眠に必要な深部体温の低下、および、寝返りを自然に行わせる観点から、寝具システム100において以下のような構成を採用してもよい。
比熱が比較的大きく、体温を吸収して、温度変化を小さくするなど、睡眠にとって利点もあった。しかし、総重量が大きくなる上、最近の知見では、マットレスが平坦に近い状態では、循環不全・呼吸不全などの場合には、かえって、睡眠時の呼吸に負担となることも分かってきた為、スマートベッドなど医療用ベッドでは、上半身を起こすものが主流で、一部の家庭用ベッドにも採用されている。しかし、面での対応では、体表の形状とかけ離れており、体重の負荷の理想的な分散は困難である。
20B :枕
21 :補助機構
22 :温度機構
23 :湿度機構
30 :処理装置
31 :制御装置
32 :記憶装置
40 :センサユニット
41 :第1取得部
42 :第2取得部
43 :第3取得部
100 :寝具システム
211 :柱部材
311 :判定部
321 :第1制御部
322 :第2制御部
323 :第3制御部
F :接触面
K :収容体
S1 :検出信号
S2 :検出信号
S3 :検出信号
T :チューブ
U :利用者
Claims (12)
- 寝具と、
前記寝具に内蔵され、前記利用者の***の変更を補助するための機構であって、当該寝具の厚さ方向に沿って長尺であり、当該厚さ方向に沿って個別に移動可能であり、相互に平行になるように配置される複数の柱部材を含む補助機構と、
前記各柱部材の移動を制御する第1制御部と
を具備する寝具システム。 - 前記第1制御部は、前記利用者の生体情報に応じて前記各柱部材の移動を制御する
請求項1の寝具システム。 - 前記生体情報は、前記利用者の***の変更、いびき、呼吸、心拍に関する情報であり、 前記第1制御部は、前記生体情報に応じて、前記各柱部材が移動するタイミングを制御する
請求項2の寝具システム。 - 前記生体情報は、前記寝具における利用者の位置であり、
前記第1制御部は、前記生体情報に応じて、前記各柱部材が移動する位置を制御する
請求項2の寝具システム。 - 前記寝具に内蔵され、当該寝具の温度を調整するための温度機構と、
前記利用者の体温に応じて前記温度機構を制御する第2制御部とを具備する
請求項1から請求項4の何れかの寝具システム。 - 前記第2制御部は、前記利用者の体温が目的とする体温に維持されるように前記温度機構を制御する
請求項5の寝具システム。 - 前記寝具に内蔵され、当該寝具の温度を調整するための温度機構と、
前記利用者が睡眠中の間において経時的に前記寝具の温度が変化するように前記温度機構を制御する第2制御部とを具備する
請求項5の寝具システム。 - 前記寝具に内蔵され、吸湿または加湿するための湿度機構と、
前記利用者の体表の湿度に応じて前記湿度機構を制御する第3制御部とを具備する
請求項1から請求項7の何れかの寝具システム。 - 前記第3制御部は、前記利用者の体表の湿度が目的とする湿度に維持されるように前記湿度機構を制御する
請求項8の寝具システム。 - 前記寝具は、マットレス、枕、または、マットレスおよび枕が一体型の寝具である
請求項1から請求項8の何れかの寝具システム。 - 前記柱部材は、正六角柱である
請求項1から請求項9の何れかの寝具システム。 - 前記柱部材は、筒状である
請求項1から請求項10の何れかの寝具システム。
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KR1020237019639A KR20230129225A (ko) | 2020-12-28 | 2021-12-23 | 침구 시스템 |
AU2021415432A AU2021415432A1 (en) | 2020-12-28 | 2021-12-23 | Bedding system |
EP21915206.3A EP4268675A1 (en) | 2020-12-28 | 2021-12-23 | Bedding system |
IL303635A IL303635A (en) | 2020-12-28 | 2021-12-23 | Bedding set |
MX2023006921A MX2023006921A (es) | 2020-12-28 | 2021-12-23 | Sistema de cama. |
CN202180084155.6A CN116634906A (zh) | 2020-12-28 | 2021-12-23 | 寝具*** |
CA3204089A CA3204089A1 (en) | 2020-12-28 | 2021-12-23 | Bedding system |
JP2022573043A JPWO2022145346A1 (ja) | 2020-12-28 | 2021-12-23 | |
US18/266,691 US20240042164A1 (en) | 2020-12-28 | 2021-12-23 | Bedding system |
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Citations (5)
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JP2006516925A (ja) * | 2003-02-04 | 2006-07-13 | ハイルディング アンダーズ インターナショナル アクチボラゲット | ベッドの物理特性を制御する装置と方法 |
JP2007144007A (ja) * | 2005-11-30 | 2007-06-14 | Mitsubishi Electric Corp | マットレス |
JP2014061053A (ja) * | 2012-09-20 | 2014-04-10 | Tokai Rubber Ind Ltd | マットレスおよびその制御方法 |
JP2016067429A (ja) | 2014-09-26 | 2016-05-09 | 株式会社ミツバ | 可動ベッドシステム |
US20190320808A1 (en) * | 2018-04-23 | 2019-10-24 | Casper Sleep Inc. | Temperature-Regulating Mattress |
-
2021
- 2021-12-23 EP EP21915206.3A patent/EP4268675A1/en active Pending
- 2021-12-23 CA CA3204089A patent/CA3204089A1/en active Pending
- 2021-12-23 JP JP2022573043A patent/JPWO2022145346A1/ja active Pending
- 2021-12-23 AU AU2021415432A patent/AU2021415432A1/en active Pending
- 2021-12-23 CN CN202180084155.6A patent/CN116634906A/zh active Pending
- 2021-12-23 US US18/266,691 patent/US20240042164A1/en active Pending
- 2021-12-23 WO PCT/JP2021/047966 patent/WO2022145346A1/ja active Application Filing
- 2021-12-23 MX MX2023006921A patent/MX2023006921A/es unknown
- 2021-12-23 KR KR1020237019639A patent/KR20230129225A/ko unknown
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JP2006516925A (ja) * | 2003-02-04 | 2006-07-13 | ハイルディング アンダーズ インターナショナル アクチボラゲット | ベッドの物理特性を制御する装置と方法 |
JP2007144007A (ja) * | 2005-11-30 | 2007-06-14 | Mitsubishi Electric Corp | マットレス |
JP2014061053A (ja) * | 2012-09-20 | 2014-04-10 | Tokai Rubber Ind Ltd | マットレスおよびその制御方法 |
JP2016067429A (ja) | 2014-09-26 | 2016-05-09 | 株式会社ミツバ | 可動ベッドシステム |
US20190320808A1 (en) * | 2018-04-23 | 2019-10-24 | Casper Sleep Inc. | Temperature-Regulating Mattress |
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IL303635A (en) | 2023-08-01 |
CN116634906A (zh) | 2023-08-22 |
MX2023006921A (es) | 2023-08-08 |
AU2021415432A1 (en) | 2023-06-29 |
CA3204089A1 (en) | 2022-07-07 |
US20240042164A1 (en) | 2024-02-08 |
EP4268675A1 (en) | 2023-11-01 |
KR20230129225A (ko) | 2023-09-07 |
JPWO2022145346A1 (ja) | 2022-07-07 |
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