巴西专利BR112014009281B1 DEVICE TO SOOTH/ASSIST A CHILD'S SLEEP

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专利摘要:
device to calm/assist the child's sleep and method of use. The present invention relates to a device to calm/assist the child's sleep which includes a main movable platform that moves in an alternating manner and an actuator that actuates the reciprocating movement of the main movable platform. the movable head platform is connected to the main movable platform and at least one of a motion sensing device and a sound sensing device are at or near a movable head platform which is hingedly connected to the main movable platform. a logic circuit connects at least one of the movement and sound detection device of the device to calm/assist sleep of the child to the main mobile platform, through which the signals have detected the modular movement of the main mobile platform. a sound generating device is connected to the logic circuit.
公开号:BR112014009281B1
申请号:R112014009281-8
申请日:2012-10-19
公开日:2021-08-03
发明作者:Harvey Neil Karp；Matthew R. Berlin；Jesse V. Gray；Bill Walter Washabaugh；Deb Kumar Roy
申请人:Happiest Baby, Inc；
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RELATED ORDER
[001] This application claims the benefit of U.S. Provisional Application No. 61/549,627, filed October 20, 2011. The full teachings of the above application are incorporated herein by reference. BACKGROUND OF THE INVENTION
[002] Persistent crying and lack of sleep in children are constant and common causes of parental frustration. During the first months of life, babies make noise/cry on average about 2 hours/day and wake up about 2-3 times a night. One in six children are taken to a medical professional for assessment of sleep/crying problems.
[003] The baby's crying and the parents' exhaustion are often demoralizing and lead to marital conflicts, anger towards the baby and impaired performance at work. In addition, they are the primary trigger for a cascade of serious/fatal health sequelae, including postpartum depression (which affects about 15% of all mothers and about 25 to about 50% of their partners), failure in breastfeeding, child abuse and neglect, suicide, SIDS/asphyxia, maternal obesity, smoking, excessive medical visits, overtreatment of children with medication, car accidents, dysfunctional attachment and perhaps childhood obesity.
[004] Traditional parenting practices have used engagement, rhythmic movement and certain sounds to calm babies' agitation and promote sleep (reducing sleep latency and increasing sleep efficiency). "Sleep latency" is defined as the length of time between going to bed and sleeping. "Sleep latency" is defined as the ratio between the time spent sleeping (the total sleep time) and the amount of time spent in bed. Wrapping in cloths, rhythmic movement, and certain sounds mimic the sensory elements of the baby's womb and activate a set of brainstem reflexes, the calming reflex. Cloth wrapping is a method of wrapping your arms together on the baby's side. This mimics the baby's experience of confinement in the womb. Wrapping in cloths also inhibits frights and falls, which often interrupt sleep and start/aggravate crying.
[005] Rhythmic movement replicates the experience of movement of the fetus when the mother is walking. The movement stimulates the vestibular apparatus in the semicircular canals of the inner ear. A rumbling noise of a specific low frequency mimics the sound created by the turbulence of blood flowing through the uterine and umbilical arteries. In utero, the sound level the baby hears was measured between 72 and 92 dB. Each baby has a unique and distinct blend of movement and sound that most efficiently activates their calming reflex. This preferred mix remains consistent through the first few months of life (ie, babies who respond better to more moving cloth wrapping continue to respond to these modalities over time and do not abruptly change their preference for cloth wrapping. more sound).
[006] The calming reflex has several constant features. It is triggered by a stereotyped sensory input; produces stereotyped behavior output; demonstrates a threshold phenomenon (ie, stimuli that are too light may not be enough to trigger a response); it has a threshold that varies between individuals (that is, it is higher or lower, for any child); the threshold varies by state (eg, agitation and crying raise the level of stimulation needed to cross threshold and bring about reflex activation).
[007] Since the nominal level of a stimulus required to reach the calming reflex trigger threshold differs from one child to another, failure to not exceed a specific child's threshold often results in a total absence of a response. soothing. For example, gentle, slow movement can soothe a sad child, and it can be too subdued to soothe another. Likewise, moderately loud sound can reach the calming threshold for one child but not another. Once triggered, the stereotyped output of the calming reflex is a reduction in engine power and state. The intensity of sound and movement required to elicit any particular baby's calming reflex is much greater than the levels needed to keep the calming reflex activated. The "state" describes the child's level of attention and interaction with the environment. Children experience six states: silent sleep, active sleep, drowsiness, silent alertness, agitation, and crying.
[008] However, despite the convenience and availability of cloths, movement and rhythmic sound, these methods fail to calm and promote sleep in a large portion of the infant population because they are not being applied correctly. To reduce the baby's crying and promote sleep, parents often take the baby to their own bed. However, this is problematic as bed-sharing with a parent has been shown to increase a child's risk of developing sudden infant death syndrome (SIDS) and accidental asphyxia (which has been increasing by 14% per year for approximately 20 years). The danger of sharing a bed is even higher if the parent is extremely tired. For example, drunkenness, tiredness reduces the adult's judgment and responsiveness. More than 50% of new parents report sleeping less than 6 hours/night, the level shown in adults simulating a level of attention impairment comparable to drunkenness. For this reason, sleeping with an exhausted parent further increases the risk of SIDS associated with bed-sharing and further increases the risk of suffocation (eg, from accidental superimposition of the parent's body over the baby's head).
[009] Other behaviors that deplete parents involved in calming crying and promoting sleep also directly increase the risk of SIDS and suffocation (eg, falling asleep with the baby on a couch, putting the baby on the tummy for sleep). Medical authorities recommend that parents avoid bed-sharing and put babies to sleep in cribs. However, cribs are problematic. Babies who sleep on their backs in cribs are at increased risk of plagiocephaly (flattening of the skull), and may need expensive and inconvenient medical treatment, which can result in a permanent deformity. In addition, the non-moving, flat and quiet surface of a crib is devoid of wrapping cloths, rhythmic movement and sound that reduce crying, reduce sleep latency and increase sleep efficiency.
[0010] In an attempt to improve infant sleep in the crib, parents have used several methods (sleeping on their stomachs, bands, rocking motion, sound), but each one is problematic. For example, the prone position is associated with a 3- to 4-fold increase in the risk of SIDS. Babies wrapped in swaddling clothes can roll into the stomach (prone) position, which is associated with an 8 to 19 times greater risk of SIDS. Swing motion delivery systems (eg swings, cribs and hammocks) all present problems. When sitting on a swing, a baby's head can roll forward and create an airway obstruction. Cribs and hammocks require parents to be a source of power for movement and therefore movement can be done for only a limited part of the sleep period. Sound management devices (eg fans, air filters, hair dryers, sound machines, and noise CDs) can be complicated and expensive, and the volume, quality, or frequency profile of the sound they produce they may be excessive or too different from the sound in the uterus to be effective.
[0011] Over the past twenty years, attempts have been made to manipulate technological methods for creating baby sleep/soothing devices to provide sound and movement more conveniently. One such device, a motorized crib, is designed to rock sleeping babies in an arc along the head-to-foot axis. This product allows the crib to be at an angle, in a partial rocking position, which has resulted in several infant deaths. Another device, designed to simulate a car at around 55 kilometers per hour, is made up of two parts: a vibrating motor, which attaches to the underside of the cradle, and a speaker that attaches to the side wall. Yet another device has a motorized cradle that moves back and forth (about 10 cm in each direction along the head-to-foot axis, each lasting to oscillate about 1.8 seconds). A sensor fires the device's motor for a limited period of time when it detects the baby's cry. Still other devices have introduced sound machines or mats that vibrate for short periods of time to be placed under the baby to encourage sleep.
[0012] These and other current infant calming/sleep devices produce fixed and unchanging sound and movement. This is a problem because each baby has a different combination of sound and movement that more efficiently calms the child and promotes sleep. For example, some babies respond better to more movement cloth wrapping, others to more sound cloth wrapping. Another problem with infant motion calming/sleep devices and fixed, unchanging sound is that each baby has a unique level of motion and sound that more efficiently induces calm and sleep. For example, slow swing can reduce sleep latency for one child, but also be overwhelmed to do it for another child. And, calm sound may be enough to increase sleep efficiency for one baby but not another. In addition, the intensity of sound and movement that the baby needs to trigger the calming reflex is far greater than the levels needed to keep the calming reflex activated.
[0013] Yet another problem with infant motion calming/sleep devices and fixed and unchanging sound is that the intensity of stimuli needed to activate the calming reflex and induce calm and sleep varies substantially as the state of a child changes. For example, the most agitated babies require the most vigorous rocking motion (with rapid acceleration and deceleration) and more vigorous sound inputs (as loud as a vacuum cleaner; 75 to 80 dB). On the other hand, babies who are calm and sleepy need less vigorous intakes. Also, current infant calming/sleeping devices do not continue throughout the night; do not release sound and optimal movement to trigger the calming reflex; do not increase and decrease their sensory input in a gradual way to vary the intensity of sensory stimuli to give the baby the most effective level of stimulation; they do not have the ability to reduce sensory input over time to wean a baby from stimuli as he grows.
[0014] Therefore, there is a need for an infant calming/sleep system that overcomes or minimizes the aforementioned problems. SUMMARY OF THE INVENTION
[0015] The invention relates, in general, to a method to help calm and sleep a baby.
[0016] In one embodiment, the invention is a device to calm/assist the child's sleep that includes an alternately moving main motion platform. An actuator triggers reciprocating motion of the main motion platform and a movable head platform attached to the main motion platform alternates in response to reciprocating motion of the main motion platform. In a preferred embodiment, at least one of a motion sensing device and a sound sensing device are respectively on or near the moving head platform. A logic circuit connecting at least one of the motion detecting device and the sound detecting device to the main mobile platform, whereby signals detected by at least one of the motion detecting device or the sound detecting device make with which the logic circuit modulates the movement of the main mobile platform.
[0017] In another embodiment, the device to calm/assist the child's sleep includes a rigid base and a main movement link or a bearing that extends from the base. The main movement platform is mounted on the main movement link or the bearing, whereby the main movement platform is movable on the main movement link or bearing with respect to the base. An actuation assembly that controls movement of the main motion platform around the main motion link or bearing relative to the rigid base includes an actuator mounted to the rigid base.
[0018] In another embodiment, the invention is a method to help calm a restless child or a child's sleep, comprising the step of moving the baby alternately on an axis that crosses the baby at an angle of 90° at a main plane of the surface that supports the baby.
[0019] In another embodiment, the invention is an adaptive method to help calm and sleep, which includes the steps of moving the baby alternately about an axis that crosses the baby and is orthogonal to a principal plane of the supporting surface. the baby. At least one of a sound generated by a sound generating device and an alternating movement is updated and adaptively modulated by a logic circuit-controlled actuation in response to at least one of the baby's sound and the movement of the platform.
[0020] The present invention has many advantages. For example, the system and method of the invention provide for the modulation of alternating movement of an infant in an up-to-date and adaptive manner. The rapid alternating movement and acceleration and deceleration of the device which causes the baby's head to accelerate and decelerate over a short distance in a safe and controlled manner specifically induces the baby's natural calming reflex. The specifically designed motion and sound device, along with its adaptive control system, reduces irritability during waking hours and improves children's sleep (specifically reducing irritability during sleep periods, reducing sleep latency and increasing sleep efficiency. sleep) for babies up to about twelve months old. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 is a perspective view of an embodiment of the device to calm/assist the sleep of the child of the invention, with a representation of a baby sleeping inside the device.
[0022] Figure 2 is a perspective view of the device to calm/assist the child's sleep of Figure 1 with fastening bands for bandaging and without a fastener;
[0023] Figure 3 is a perspective view of the device to calm/assist the sleep of the child of Figure 2, showing the apparatus below the main movement platform in broken lines;
[0024] Figure 4 is a plan view of the apparatus that supports the main movement platform of the device to calm/assist the sleep of the child of Figure 3, with the rigid base and the main movement platform shown in outline;
[0025] Figure 5 is a side view of the device to calm/assist the child's sleep shown in Figure 4, taken along line 5-5;
[0026] Figure 6 is a side view of the device to calm/assist the child's sleep shown in Figure 4;
[0027] Figure 7 is a perspective view of yet another embodiment of the device to calm/assist sleep of the invention, showing the components of the device below the main movement platform in dashed lines;
[0028] Figure 8 is a plan view of the apparatus that supports the main movement platform of the device to calm/assist sleep of Figure 7, with the rigid base and main movement platform shown in outline;
[0029] Figure 9 is a side view of the embodiment of the device shown in Figure 7;
[0030] Figure 10 is a schematic representation of an embodiment of a software control system of the invention, along with inputs and outputs of the software control system;
[0031] Figure 11 is a schematic representation of an embodiment of a cry detection module of the invention;
[0032] Figure 12 is a schematic representation of an embodiment of a motion analysis module of the invention.
[0033] Figure 13 is a schematic representation of an embodiment of a behavior state machine module of the invention;
[0034] Figure 14 is a schematic representation of an embodiment of an audio generation module of the invention;
[0035] Figure 15 is a schematic representation of a motion generation module of the invention;
[0036] Figure 16 is a schematic representation of a motion generation module of the invention. DETAILED DESCRIPTION OF THE INVENTION
[0037] In one embodiment of the invention, shown in Figures 1 to 6, the device to calm/assist the child's sleep 10 includes the envelope 12 around the baby 14. The envelope 12 surrounds the main movement platform 16. How can To be seen in Figure 2, the main movement platform 16 includes the base 18, the head movement platform 19, the upholstery 20 and the fabric covering 22. The wrap-around fastening straps 24 extend from the main movement platform 16 to hold the baby 14 in suitable wrapping fabrics 26. The head pillow insert 28 supports the baby's head 14. Preferably, the head pillow insert 28 includes a gel in order to reduce the risk of plagiocephaly. Handles 30 extend laterally from main movable platform 16. From main movable platform 16 is supported and pivots around a main support shaft (not shown), which is fixed to rigid base 32. The control panel 34, which includes speed control buttons 35, status lights 37, and controls 39 for microphone 38. Electronic rigid base controls 36 include device trigger electronics to calm/assist the child's sleep 10.
[0038] In another representative view of device to calm/assist the sleep of the child 10 of Figure 2, shown in Figure 3, the main movement platform 16 is supported by the main support shaft 40 on the main rotation bearing 42. The platform of head rotation 19 supports the head pillow insert 28 and is swivel about the head rotation bearing 46 to the arm 48 which extends between the head rotation bearing 46 and the head rotation platform 19 The motion detection device 50, such as an accelerometer, on the head movement platform 44 detects the movement of the head movement platform 19. The microphones 38 on the head movement platform 19 detect the sound emitted by the child (not shown ), when supported by the infant sleep aid device 10. The speakers 52, supported by brackets 54 mounted on a rigid base 18, are located directly below the d motion platform. and head 19. Springs 56 connecting both sides of the head movement platform 19 and the main movement platform 16 damp movement of the head movement platform 19 relative to the main movement platform 16 during reciprocating movement of the platform. of head movement 19 induced by the reciprocating movement of the main movement platform 16.
[0039] The reciprocating movement of the main movement platform 16 on the main support rod 36 is around an axis that is orthogonal to a main plane of the main movement platform 16. The reciprocating movement of the main movement platform 16 is driven by the actuator assembly 58.
[0040] In some modalities, the baby's body and head may be out of phase. For example, at relatively low speeds, the baby's head movement may be in the same direction as the baby's upper body movement. At relatively high speeds, the alternating movement of the child's head may be in the opposite direction, like the baby's upper body. In another embodiment of the invention (not shown), the alternating movement of the child's head may be in any other direction, such as in orthogonal relation to the plane of the main support platform.
[0041] The actuator assembly 58 includes drive motor 60 mounted on rigid base 32 and gear set 62 connected to drive motor 60 and also mounted on rigid base 32. The actuation of drive motor 60 causes the set to gear 62 rotate to drive eccentric drive plate 64 about an axis normal to a main plane of rigid base 32. Eccentric drive plate 64 is connected to swing arm plate 66 of actuator assembly 58, which extends from from eccentric drive plate 64 to end of rod 68 of screw 70 and is pivotally mounted to end of rod 68 of screw 70. Screw 70 is mounted in amplitude modulation assembly 72. The modulation assembly of amplitude 72 includes the amplitude modulating motor 74, the nut 76 mounted on the nut frame 78, which rotates on the rotation bearing 80 mounted on the rigid base 32. The axis of rotation of the nut frame 78 on the rotation bearing 80 is , with like that of eccentric drive plate 64, normal to a main plane of rigid base 32. Actuation of amplitude modulation assembly modulation assembly 72 causes movement of screw 70 along its main longitudinal axis to thus do with that rod 68 is closer or less close to amplitude modulation assembly 72. Arm 82 extends from an end of bolt 70 opposite the end of rod 68 to elastic actuator capture bracket 84, which is mounted on base 18 of the main movable platform 16. The arm 82 extends through an opening defined by the elastic actuator capture bracket 84 and is connected to the main movement platform 16 by springs 86, 88 held in place on both sides of the actuator capture bracket. elastic actuator 84 by nuts 90, 92, respectively.
[0042] The actuation of the drive motor of the actuation assembly 60 causes the rotation of the eccentric drive plate 64 around an axis normal to a main plane of the rigid base 32 which, in turn, causes the reciprocating movement of the platen. swing arm 66 more or less along a major longitudinal axis of swing arm plate 66. Such reciprocating movement of swing arm plate 66 causes the end of rod 68 to move in an alternating movement from side to side of a large longitudinal axis of bolt 70 which causes alternating rotation of nut frame 80 about an axis normal to main plane rigid base 18 and side-by-side movement of the opposite end of bolt 70 opposite the end of shank 68 of bolt 70. Such movements from side to side the opposite end of screw 70 cause reciprocating longitudinal movement of arm 82 which extends through the opening defined by elastic actuator catching bracket 84. Resistance to such movement The reciprocating movements of the arm 82 cause the reciprocating compression and relaxation of the springs 86, 88, which thus cause the reciprocating movement of the main movement platform 16 about the main support shaft 40 connecting the main movement platform 16 to the rigid base. 32.
[0043] The alternating range of motion of the main mobile platform 16 around the main support rod 40 is controlled by the position of the screw 70 relative to the amplitude modulation assembly 72. For example, if the actuation of the amplitude modulation assembly end 70 causes rod 68 to be closer to amplitude modulation assembly 70, side-by-side movement of the opposite end of screw 70 will be greater, thus causing reciprocal amplification of main mobile platform 16 around the main support rod 40 lengthen. On the other hand, actuation of the amplitude modulation assembly 72 causes the end of the rod 68 of the screw 70 to be further away from the amplitude modulation assembly 72 to decrease side-to-side movement of the opposite end of the screw 70, thereby reducing the reciprocating range of motion of the main motion platform main motion platform 16 around the moving support shaft 40.
[0044] The reciprocating motion of main motion platform 16 causes a delayed reciprocating movement of the head motion platform 44 around the head rotation bearing 46. The reciprocating motion of the head motion platform 44, although delayed, has greater amplitude around the main support shaft 40 because of the rotation of the head movement platform 44 around the head rotation bearing 46. However, the alternating range of motion of the head movement platform head movement platform 44 around the head rotation bearing 46 is dampened by springs 56. However, the reciprocal movement of the main movement platform 16 and the head movement platform 44 around the main support shaft 40 is measured by the sensing device. movement 50 on the head movement platform 44. The measurements by the movement detection device 50 are transmitted back to the control panel 34 and the controls. Rigid base electronics 36, which alone, or optionally in conjunction with external computer software programming, modulate the motor drive actuator assembly 60 and the amplitude modulation motor 74. Motion detection by the motion detection device 50 can also optionally modulate computer programming to affect the selection and volume of sound emitted by the speakers 52. The microphones 38, in addition to, or optionally, receive the acoustic signals that can be fed back through the rigid base electronic controls 36, or/and from the control panel 34 to the software, either on-board or remote from the device to calm/assist the child's sleep 10, which still modulates the drive motor of the set actuator 60, the amplitude modulation motor 74, and/or the sounds emitted from the speakers 52. The algorithms associated with the modulation of the actuator set drive motor 60, with the amplitude modulation motor itude 74 and speakers 52 will be discussed in more detail below.
[0045] In one modality, the device allows reciprocating motion in 0.5 to 1.5 cps excursions of ~ 5.08 cm (2"), but if the baby is agitated, the device responds by providing a short excursion duration (eg < 2.54 cm (1")) at a faster speed (~2 to 4.5 cps). This quick, small movement provides the specific degree of accelerating and decelerating force to the semicircular canals in the vestibular mechanism of the inner ear that is needed to activate the calming reflex.
[0046] In addition, reciprocating motion typically has a maximum amplitude of less than one centimeter during the rapid motion phase (~2 to 4.5 cps), continuing to ensure the child's safety.
[0047] In another embodiment, as shown in Figures 7 through 9, the soothing/sleep aid device 100 includes actuator assembly 102, which replaces actuator assembly 58 of the mode shown in Figures 2 through 6. Specifically, as shown in Figures 7 to 9, the drive motor 104 of the tranquilizer/sleep aid device 100 is connected to the bearing 106 which, in turn, leads to the eccentric drive plate 108. The eccentric drive plate 108 is connected to push/pull rod 110 which extends through an opening defined by elastic actuator catch bracket 112. Springs 114 around push/pull rod 110 connect push/pull rod 110 to main movement platform 16 through elastic actuator catch bracket 112. Springs 114 are a series of elastic actuator push springs; they transfer force from actuator assembly 102 to support bracket 112. Balance dampers 115 under push/pull rod 110 damp motion of main motion platform 16. Springs 117 are balance springs; they pull on bracket 112 in parallel with balance dampers 115 to create the desired smooth sinusoidal motion of main motion platform 16 at low frequencies and fast accelerating motion at high frequencies.
[0048] The actuation of the drive motor 104 causes the reciprocating longitudinal movement of the push/pull rod 110 through the opening defined by the elastic actuator catch bracket 112 and translates this alternating movement into reciprocating movement of the main mobile platform 16 over the bearing of main rotation 42, as well as reciprocating movement of arm 82 through elastic actuator capture bracket 84 of the embodiment as shown in Figures 2 to 6. Other components of the embodiments shown in Figures 7 to 9 operate in the same manner as those of the device for soothe/assist the baby's sleep 10 represented in Figures 2 to 6.
[0049] As shown in Figure 10, the software control system 120, processes the microphone inputs and generates the outputs for the speakers represented in Figures 2 to 9, also processes the speed control knob inputs 121, also shown in Figures 2 to 9 and, from the three-axis USB accelerometer 123, represented as the motion detection device, in Figures 2 to 9. In addition, the software control system 120 generates an output signal for the multi-channel USB motor controller 122, which controls the actuator assembly drive motor 60 (not shown) and the amplitude modulation motor 74 (not shown) or, alternatively, as shown in Figures 7 to 9, the drive motor 104 (not shown). Status lights, such as USB tri-color LEDS 121, are represented as lights 37 in Figures 2 through 9. Software control system modules 120 can be located onboard or remotely from device modalities to calm/assist the device. baby sleep 10, 100 shown in Figures 2-9. The modules include a cry detection module 124 that receives data from microphones 125, represented as microphones 38 in Figures 2-9, and relays for a machine module of behavior state 126 whether a baby on the baby's sleep calming/aiding device is crying or not. Depending on the input received by the behavior state machine module 126, the output signals will control the control motion generation module 128 or the audio generation module 130. The drive of the motion generation module 128 will modulate the sets of actuator of the embodiments shown in Figures 2 to 9. Alternately, or in addition, outputting signals from the behavior state machine module 16 will modulate the generation of the audio output data from the audio generating module 130 to speakers 131, represented as speakers 52 in Figures 2-9.
[0050] The data received from the accelerometer 123 is processed by the motion analysis module 132 to thus modulate the actuator assembly through motion generation module 128 and/or audio generation module 130 to thus control the sets of actuators or speakers, respectively. In addition, the motion analysis module 132 controls the status light module 134 to alert, via the status lights, whether the movements of the main motion platform and the head platform are nominal or non-nominal, or alternatively, through feedback, calming or not calming the baby. "Nominal", as the term is defined herein, refers to any and all motion for which the filtered acceleration signal does not exceed a specified, or predetermined, maximum motion threshold for a specified period of time. The process by which the motion analysis module classifies motion as nominal or non-rated is detailed in Figure 12 and the text below.
[0051] In one modality, the alternating rotation rate is in the range of between about two and about four and a half cycles per second and an alternating range of motion at a center of a child's head is in a range of between about 0.51 cm (0.2 inches) and about 2.54 cm (1.0 inches). In another embodiment, the reciprocating motion rate is in a range of between about 0.5 and about 1.5 cycles per second and an alternating range of rotation at a center of the child's head is in a range of between about about 1.27 cm (0.5 inches) and about 5.08 cm 2.0 inches).
[0052] The software for weaning the baby off the device by incorporating the baby's age as a variable used by the behavior module's state control system, in which the modulation is still controlled by at least one of the child's weight, the age of the child, and the duration of the detected sounds made by the child.
[0053] Referring to Figure 11, the cry detection module 124 receives the audio data from the microphones of the devices to calm/assist the sleep of the baby 10, 100, which are processed through the digital low pass filter 136 to generate the filtered audio data. Power based threshold 138 receives the filtered audio data to determine if the audio power is over threshold or under threshold. The time-based filter 140 receives threshold data based on energy 138 to provide an indication of whether the baby is crying or not. Information, as discussed above with respect to software control system 120 (Figure 10), is received from cry detection module 124 by behavior state machine module 126 which then modulates or the motion generation module 128 or the audio generation module 130.
[0054] The motion analysis module 132, shown and represented in more detail in Figure 12, receives a signal from the motion detection device of the devices to calm/assist the baby's sleep 10, 10, by the filter bank digital 142. Digital filter bank 142 filters the signal to generate a range of motion evaluation, which is used as input to motion generation module 128 (Figure 10a). In addition, the filtered range of motion assessment passes through an interval check 144 to determine if the movement is within a known calming range. The time-based filter 146 receives the interval check data 144 to provide an indication as to whether a movement is calming or not. Data from the filtered motion sensor, or accelerometer, from the digital filter bank 142 also passes through the motion frequency evaluator based on the 148 cross limit. through interval checking 144 to indicate whether or not motion is calming, and also provide input to motion generation module 128 (Figure 10). The accelerometer data filtered by digital filter bank 142 is also processed to determine whether or not acceleration is greater than a specific maximum movement limit 150 and, depending on the result, processes the data through time-based filter 152 to provide an indication as to whether the move is nominal or unrated. This indication that motion is nominal or not nominal is used as the input to motion generation module 128 (Figure 10), and is additionally used to control status lights 37 (Figure 2) via the status light module 134 (Figure 10).
[0055] As can be seen in a Figure 13, the behavior state machine module 126 receives the information from the crying detection module 124 (Figure 11) to know whether the child is in a crying state or not. This information is used by machine state transition rules 156 to select an active state from a state library 154, thereby outputting a desired motion state, a desired audio track, and/or the desired volume/equalizer settings. of the audio generation module 130 (Figure 10).
[0056] The audio generation module 130, shown in Figure 14, receives the signals of a desired audio track and the desired volume/equalizer settings from the behavior state machine module 126 (Figure 10) and the signals of motion analysis, specifically, whether motion is nominal or not, from motion analysis module 132 (Figure 10). The audio generation module 130 includes a library of "calming" audio tracks 160, a digital volume/equalizer control 162 and an alarm sound 164. Upon receipt of a new command from the motion analysis module 132 (Figure 10), the audio generation module 130 will cross-fading for an audio track and volume, and cross-fading for the desired EQ settings. If the movement is not nominal then an alarm signal will be issued to replace the audio signal with an alarm. The audio signal from the audio generation module is output to the device's speakers to soothe/help the child's sleep 10, 100.
[0057] At baseline, the audio generator will produce a low-pitched sound output at about 65dB to about 70dB. Upon receipt of a new command from the cry detection module 124 (Figure 11), the audio generation module 130 will cross-fading to a higher frequency, higher volume audio range, by about 75dB at about 80dB.
[0058] Two variations of the motion generation module are represented in Figures 15 and 16. In the first mode, shown in Figure 12, the motion generation module 128 receives a desired input of the motion state from the state machine module. behavior 126 (Figure 10), a motion frequency/amplitude signal from motion analysis module 132 (Figure 10), a desired speed signal from speed control knob system 121 (Figure 10), and a signal to know whether a move is nominal or unrated. The "desired system speed" is the setting of the speed control knob 121 whereby the operator can limit the movements allowed by the device to calm/assist the child's sleep 10, 100. The desired movement state signal goes search within motion generation module 128, which issues a reference motor command based on a desired motion state. If the currently active motor commands are close to the reference motor commands, then the motor commands are actively adjusted within an allowable envelope through an uphill gradient based on the observed frequency of motion and amplitude. If the actual motor commands are not close to the reference motor commands, then the motion generation module will define the desired motor commands through trajectory planning in a motor command space. The "planning trajectory" transitions engine tweaks to desired engine settings by inserting intermediate motor tweaks as needed by virtue of nest dynamics to ensure motion remains in a desirable range during the transition. If the desired system speed is less than "full", then a signal is sent to adjust the desired motor commands in proportion to the desired system speed. "Full" is the fully turned-on position of the button, and means that the child's sleep calming/aid device 10, 100 is not being limited by this button and is allowed to perform all movements it determines to be relevant. If speed control knob 121 is turned down from "full", the child's sleep calming/aid device movements 10, 100 start to be restricted, so speed control knob 121 acts as an operator to override the child's normal sleep calming/aiding device behavior 10, 100. If not, then the comparison is made to see if the observed movement is nominal. If not rated then the motor output is disabled. If nominal, then a desired motor command output signal is given to drive the positions and actuator speeds of the multi-channel USB motor controller.
[0059] In an alternative embodiment of the motion generation module 128, shown in Figure 16, there is no receipt by the module of signals related to the frequency and range of motion. Therefore, it is only necessary to define the desired motor commands by interpolating from a command stream based on a look-up table of motor commands based on a desired motion state, in response to receiving a signal in in relation to the desired state of motion. All motion generation components are the same as depicted in Figure 15. EXPERIMENTAL MATERIALS SECTION
[0060] Two versions of the device to calm/assist the child's sleep, as shown in Figures 2 to 9 of the invention, were created, with microphones to detect the baby's cry, movement and sound actuators, a system of involvement of cloth to keep the baby in the ideal position and a gel cushion to reduce pressure on the back of the skull that predisposes to plagiocephaly. The device also features a logic board to perform two tasks; perform specially designed sound interventions and to deliver the movement created by two platforms connected to a motor and the actuator rod (as well as a series of springs and dampers to modulate the activity). This platform acted alternately around an axis that crosses the child and was orthogonal to a principal plane of the child's support surface to provide a movement ranging from slow, smooth (0.5 to 1.5 cps) rocking to keep baby calm and promote sleep... ramping up to a smaller, faster "swing" movement (2 to 4.5 cps) with a "bouncing" waveform to release an abrupt acceleration and deceleration action of enough way to stimulate the inner ear's vestibular mechanism, trigger the calming reflex, and soothe the baby when he is crying (head rocking back and forth in excursions of less than 1 inch (1”)). on the device is also designed to respond to baby's crying by initiating an especially loud, harsh, high-pitched designed sound and then quieting the sound for several minutes.The device is specifically designed to gradually reduce ("weaning") the sound intensity and the movement over several months.
[0061] The device worked as follows:
[0062] The baby was placed in a cloth wrapping bag (with arms in or out) fixed to the mattress of the device and firmly established around it. The device produced a low-frequency basal level, sound noise at approximately 65 dB, and the base movement of a smooth surface, rocking from side to side (5.08 cm (2 inch) excursions to each side). When the baby cried for more than ~10 seconds, the device responded by playing a specially designed sound that was harsher, higher pitched, with multiple frequencies (75-80 dB) to mimic the intensity of the sound the baby hears inside the baby's womb. mother in the prenatal period. (This sound can be measured in situ up to 92 dB). If crying continues for more than ~10 seconds (despite the sound), accelerated movement for faster action, faster head sway (2 to 4.5 cps, but no more than 2.54 cm (1 in) inch) for the head excursions on each side). The combination of quick movements released with sufficient vigor, the loud, harsh sound, and the secure cloth wrapping bag all worked together to activate the calming reflex in most irritable babies and induce calm or sleep. The device responded to the baby's crying in a way that gradually increased step by step and then to a maximum movement level. After the baby had calmed down, the movement and sound of the device was gradually reduced in a specific step-by-step fashion back to baseline activity. individuals
[0063] The device has been tested on over twenty babies (12 girls, 10 boys) who were on the device. Babies ranged from 5 weeks to 6 months of age. Their weights ranged from 3.7 to 8.2 kg (8 to 18 pounds). METHODS AND PROCEDURES
[0064] Subjects were tested to record their rest and sleep on the device. Testing usually started when the baby was hungry and tired (just before his usual nap). Parents were introduced to the device and a brief demonstration of how it worked. The baby's last feeding and nap was recorded and then the baby was placed in the cloth wrapping bag and the baby was placed in the device. The session was observed and filmed. In addition, data were collected from three accelerometers and a camera mounted on the device to detect the vigor of the activity and measure the exact excursions of the baby's head. Each test started with the device set at its lowest level for sound and movement. It was observed that the device responded to the baby's cries. O quickly advanced through each of its steps as the crying increased. After the baby has calmed down, the movement of the device would gradually slow down, and the loudness and pitch of the sound gradually decreased. This format was repeated 2 to 4 times during sessions with each individual. The first set of studies was performed using a prototype with a dual motion actuator and the second set of studies was performed using a prototype with a single motion actuator. RESULTS
[0065] As shown in the attached table, during twenty-one tests, 19 babies significantly calmed down or slept with the device (absence of calming was due to hunger). Most of the calm and sleep occurred within 2 minutes of placing the baby on the device.
[0066] The hypothesis is that a device can be built that responded to the baby's needs,

such that a child's disturbances would be alleviated by vigorous stimulation to activate the calming reflex, followed by a decrease in stimuli to help keep the calming reflex on and keep the baby in a calm state and/or promote sleep (or that is, reducing sleep latency and increasing sleep efficiency.

[0067] ("Sleep latency" is defined as the length of time between going to bed and falling asleep. "Sleep efficiency" is defined as the ratio between the time spent sleeping, the total sleep time, and the amount of sleep of time spent in bed). CONCLUSION
[0068] It was possible to promote the baby's calm and sleep with the use of cloth wrapping plus very specific sound and movement stimuli to activate the calming reflex. EQUIVALENTS
[0069] While this invention has been particularly shown and described with references to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes in form and detail can be made without departing from the scope of the invention encompassed by the appended claims.
[0070] The relevant teachings of all references cited herein are incorporated by reference in their entirety.

权利要求:
Claims (20)
[0001]
1. A device to calm/assist a child's sleep comprising: a) a rigid base (32); b) a main movement or bearing connection (42) extending from the rigid base (32); c) a movable main platform (16) mounted on the main movement link or bearing (42), wherein the main movable platform (16) is movable over the main movement link or bearing (42) relative to the rigid base (32); and d) a drive assembly (58, 102) which controls the movement of the main mobile platform (16) with respect to the main movement link or bearing (42) with respect to the rigid base (32), the drive assembly (58, 102) including an actuator (60, 104) mounted on the rigid base (32); and the drive assembly (58, 102) being operable to move the child in an alternating manner about an axis that intersects the child at a 90° angle to a principal plane of a surface that supports the child; the rate and amplitude of alternating rotation are controlled by a logic circuit in response to signals obtained from a motion detection device (50, 123) which is connected to the logic circuit and which detects disturbances caused by the child during alternating rotation and /or in response to sounds detected by at least one sound detection device (38, 125) connected to the logic circuit.
[0002]
2. Device to calm/assist a child's sleep, according to claim 1, CHARACTERIZED by the fact that it also includes: a) a mobile head platform (44); and b) a head or bearing movement link (48) mounted on the main movable platform (16), the head or bearing movement link (48) connecting the main movable platform (16) to the movable head platform (44).
[0003]
3. Device to calm/assist a child's sleep, according to claim 1, CHARACTERIZED by the fact that it further includes a sound generating device that includes a speaker (131) to generate a desired audio track in response to signals detected by at least one of a motion sensing device (50, 123) and a sound sensing device (38, 125) monitoring a child.
[0004]
4. Device to calm/assist a child's sleep, according to claim 1, CHARACTERIZED by the fact that the motion detection device (50, 123) includes an accelerometer (123) and the sound detection device ( 38, 125) includes a microphone (38, 125).
[0005]
5. Device to calm/assist a child's sleep, according to claim 4, CHARACTERIZED by the fact that it also includes an amplitude modulator motor (74), in which the amplitude modulator motor (74) controls the amplitude of alternating rotation of the main movable platform (16) about the main movement link or bearing (42).
[0006]
6. Device to calm/assist a child's sleep, according to claim 5, CHARACTERIZED by the fact that the drive assembly includes a drive motor (60, 104), and the device further includes means for controlling the motor the drive motor (60, 104), and the means for controlling the amplitude modulator motor (74), and wherein the means for controlling the drive motor (60, 104) and the means for controlling the amplitude modulator motor (74) are connected by the logic circuit.
[0007]
7. Device to calm/assist a child's sleep, according to claim 6, CHARACTERIZED by the fact that at least one of the accelerometer (123) or microphone (38, 125) are connected to the drive motor ( 60,104) and to the amplitude modulator motor (74) through the logic circuit.
[0008]
8. Device to calm/assist a child's sleep, according to claim 7, CHARACTERIZED by the fact that both the accelerometer (123) and the microphone (38, 125) are connected to the drive motor (60, 104) through the logic circuit.
[0009]
9. Device to calm/assist a child's sleep, according to claim 1, CHARACTERIZED by the fact that the device further includes means (24) to keep the child safe positioned in a bandaged safety bag (26) on the platform main furniture (16).
[0010]
10. Device to calm/assist a child's sleep, according to claim 1, CHARACTERIZED by the fact that the logic circuit controls the frequency and amplitude of the alternating rotation in response to signals obtained from the motion detection device (50, 123) connected to the logic circuit.
[0011]
11. Device to calm/assist a child's sleep, according to claim 9 or 10, CHARACTERIZED by the fact that the logic circuit controls the frequency and amplitude of the alternating rotation in response to the sounds detected by the sound detection device (38, 125) connected to the logic circuit.
[0012]
12. Device to calm/assist a child's sleep, according to claim 1, CHARACTERIZED by the fact that, in one mode, the frequency of alternating rotation is in a range of between about two and about four cycles and half a second with an alternating range of rotation at a center of a child's head that is in a range of between about 0.51 cm (0.2 inch) and about 2.54 cm (1.0 inch).
[0013]
13. Device to calm/assist a child's sleep, according to claim 1, CHARACTERIZED by the fact that, in one mode, the frequency of alternating rotation is in a range of between about 0.5 and about 1 .5 cycles per second with an alternating range of rotation at a center of a child's head that is in a range of between about 1.27 cm (0.5 inches) and about 3.81 cm (1.5 inches) ).
[0014]
14. Device to calm/assist a child's sleep, according to claim 1, CHARACTERIZED by the fact that the logic circuit is operable to control the frequency of alternating rotation initially to be within a range between about 0.5 and about 1.5 cycles per second with a corresponding amplitude of alternating rotation at a center of a child's head that is in a range between about 1.27 cm (0.5 inches) and about 3.81 cm ( 1.5 inches) and, if a child is not calmed, then the frequency of alternating rotation is subsequently controlled to be within a range of between about two and about four and a half cycles per second with a corresponding amplitude of rotation alternating to a center of a child's head that is in a range between about 0.508 cm (0.2 inches) and about 2.54 cm (1 inch).
[0015]
15. Device to calm/assist a child's sleep, according to claim 1, CHARACTERIZED by the fact that the logic circuit is operable to detect whether a child is being calmed by the alternating rotation of the device, and then reduce the Alternate rotation of the device in a step-by-step manner.
[0016]
16. Device to calm/assist a child's sleep, according to claim 1, CHARACTERIZED by the fact that it further includes a sound generating device that includes a speaker (52) to generate a desired audio track in response to the signals detected by at least one of a motion detection device (50, 123) and a sound detection device (38, 125) monitoring a child; and if the logic circuit detects that a child is not being calmed by the device, then the logic circuit is operable to increase a volume and frequency tone of the generated audio track.
[0017]
17. Device to calm/assist a child's sleep, according to claim 16, CHARACTERIZED by the fact that if the logic circuit detects that a child is being calmed by the device, then the logic circuit controls the sound generating device to reduce the volume of the generated audio track in a step-by-step fashion.
[0018]
18. Device to calm/assist a child's sleep, according to claim 1, CHARACTERIZED by the fact that the alternating rotation is controlled according to the child's age, and that at a predetermined age of the child, the rotation alternating is reduced.
[0019]
19. Device to calm/assist a child's sleep, according to claim 1, CHARACTERIZED by the fact that the alternating rotation is controlled by at least one of the child's weight, child's age, a duration of detected sound made by the child, or a duration of detected movement of the child.
[0020]
20. Device to calm/assist the child's sleep, according to claim 1, CHARACTERIZED by the fact that the main mobile platform (16) is movable at least in a plane substantially parallel to a main plane of the rigid base (32) .

类似技术:

公开号 | 公开日 | 专利标题

BR112014009281B1|2021-08-03|DEVICE TO SOOTH/ASSIST A CHILD'S SLEEP

US11123515B2|2021-09-21|Infant calming/sleep-aid, SIDS prevention device, and method of use

US10463168B2|2019-11-05|Infant calming/sleep-aid and SIDS prevention device with drive system

CA2977390C|2021-02-16|Infant calming/sleep-aid and sids prevention device with drive system

US20170245555A1|2017-08-31|Sleep sack for infant calming/sleep aid

同族专利:

公开号 | 公开日

JP2014530722A|2014-11-20|

AU2017213453B2|2019-04-18|

KR102137657B1|2020-07-24|

AU2012325947B2|2017-08-31|

US20140250592A1|2014-09-11|

KR20140089379A|2014-07-14|

BR112014009281A8|2017-06-20|

US10827851B2|2020-11-10|

HK1206223A1|2016-01-08|

AU2012325947A1|2014-05-15|

RU2607760C2|2017-01-10|

ES2744197T3|2020-02-24|

EP2768345A1|2014-08-27|

CA2852696A1|2013-04-25|

EP2768345B1|2019-05-15|

CN107411433A|2017-12-01|

CN104470405B|2017-06-20|

AU2017213453A1|2017-08-31|

PL2768345T3|2019-12-31|

US20160166081A1|2016-06-16|

RU2014120178A|2015-11-27|

BR112014009281A2|2017-06-13|

CN107411433B|2021-04-27|

MX369214B|2019-10-31|

KR20190104227A|2019-09-06|

JP6053056B2|2016-12-27|

WO2013059625A1|2013-04-25|

SG11201401533VA|2014-09-26|

CN104470405A|2015-03-25|

MX2014004648A|2015-03-23|

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法律状态:
2018-04-24| B25D| Requested change of name of applicant approved|Owner name: HAPPIEST BABY, INC. (US) |

2018-12-04| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|

2019-11-19| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|

2021-02-09| B06A| Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette]|

2021-06-01| B350| Update of information on the portal [chapter 15.35 patent gazette]|

2021-07-13| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|

2021-08-03| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 19/10/2012, OBSERVADAS AS CONDICOES LEGAIS. |

优先权:

申请号 | 申请日 | 专利标题

US201161549627P| true| 2011-10-20|2011-10-20|

US61/549,627|2011-10-20|

PCT/US2012/061069|WO2013059625A1|2011-10-20|2012-10-19|Infant calming/sleep-aid device and method of use|

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