2571 results about "Sitting posture" patented technology

The invention discloses intelligent glasses and a method for monitoring movement, preventing shortsightedness and correcting sitting postures by utilizing the same. The intelligent glasses comprise a glasses frame, and an inertial sensor, a data processing module, an alarm display module and a power module which are arranged in the glasses frame; the inertial sensor, the alarm display module and the power module are all connected with the data processing module electrically; the inertial sensor adopts an accelerometer, or an angular velocity sensor, or an inertia measurement unit with single, double or three shaft combination of the accelerometer or the angular velocity sensor, or a navigation position reference system. The intelligent glasses are simple in structure, comprehensive in functions and good in ductility; by full-featured accurate detection on multiple factors influencing vision, including postures in two directions of the head of a user, viewing distance, viewing time and various lighting conditions, the eye health of the user under various conditions is ensured.

A modular standing frame is described herein. The modular standing frame has a chair module adapted to raise and lower a user between sitting and standing postures without inducing shear between the user and the seat and seat back of the chair module. The chair module may be selectively coupled to one of a glider module adapted to provide walking-type exercise to a standing user, a workstation module that provides a work surface for a sitting or standing user, and a mobility module that allows the standing frame to be moved about by a user much like a wheel chair.

Disclosed are methods and systems for monitoring and correcting sitting posture of a user and for discouraging sedentary behavior. The system comprises a processor, a portable seat cover with embedded pressure sensors and an angle sensor, a notification device, and a non-transitory storage medium for storing program code. The program code, when executed by the processor, causes the processor to initiate an idleness timer to count how long the user has been sitting, monitor the user's sitting posture by receiving real-time sensor measurements; identify a sitting posture by applying a posture identification rule, generate a posture correction notification through the notification device if the identified sitting posture is not ergonomically correct, determine whether a sedentary threshold has been reached and generate a stand notification if the sedentary threshold has been reached. Embodiments of the present invention help improve sitting posture and reduce sedentary behavior to minimize associated adverse health effects.

The invention provides an intelligent study desk and chair. The intelligent desk and chair are characterized by comprising a desk, a chair and an intelligent control unit. The desk includes a desktop which can vertically ascend and descend and tilt in the front-back direction. The chair comprises a chair face and a chair back, wherein the chair face can ascend and descend in the vertical direction, and the chair back can tilt in the front-back direction. The intelligent control unit comprises a sitting posture detection device, a data processing unit, an intelligent control device, an automatic desk and chair adjusting device, an automatic desktop lifting device, an automatic desktop tilting device, an automatic chair face lifting device and an automatic chair face tilting device. The sitting posture detection device is used for collecting data that a student sits in the front of the desk and chair and transmitting the collected data to the data processing unit. The data processing unit is used for processing the collected data and transmitting the processing result to the intelligent control device. The intelligent control device is used for correspondingly controlling the automatic desk and chair adjusting device according to the processing result of the data, so that chair is moved, or the desktop automatically ascends and descends, or the desktop automatically tilts, or the chair face automatically ascends and descends, or the chair back automatically tilts.

The present invention discloses a seat adjusting method and a seat adjusting system capable of actively adjusting a user's sitting posture and comfort according to the body weight of different users. Stress sensors are provided for detecting a stress distribution situation of a seat support surface. Airbags are buried into the support surface for actively changing the level of the support surface in order to increase a contact area between the support surface and the user, and the stress distribution situation can be matched with an expected ratio to provide the best ergonomic support effect to users.

An exercise assistive device to help a developmentally developed person, or a physically or neurologically impaired person, such as a child or adult, develop vestibular balance and muscle control, so that the person can learn to perform mobility activities, such as crawling, sitting upright, standing or walking. The device includes a support frame supporting a body suit that is moved longitudinally, and optionally transversely and rotationally. The body suit may be optionally spinally supported. The body suit is optionally suspended from either a hand-held frame, like a marionette, or from a floor-mounted, wall-mounted or ceiling mounted frame with a glidable support dolly. Flexible connector straps are provided between the body suit and body suit glidable support dolly and made of a material such as reinforced fabric, elastic or canvas. These connector straps are positioned in spaced-apart relation to one another about the body suit. The body suit is suspended from the seat-support leg by the connector straps that extend between the body suit and fasteners. The fasteners upon the body suit are strategically placed to assist the person assume various postural positions ranging from the upright sitting or standing position, such as at the shoulders, to oblique or horizontal crawling quadruped positions. The person may be encouraged to travel forward, backward or sideways by sensory attractive items, such as mirrors, toys, netting arrays or pull bars.

A transtibial patellar tendon bearing (PTB) prosthesis for below the knee amputees is disclosed. The prosthesis includes a socket, and a foot prosthesis attached to a modular shank component using a foot rotator device. Using the rotator device, the foot component of the prosthesis may be smoothly and axially rotated internally or externally ±150° with respect to the shank component about the axis of the shank component. The wide range of axial rotation enables a more even load distribution on the whole lower limb of an amputee and enables an amputee to comfortably assume a wide range of biomechanical positions, such as sitting or kneeling. A recoil spring, having a selectable tension, is positioned within the rotatable component and selectively limits and retains the relative rotation of the upper portion and the lower portions. A locking mechanism selectively prevents rotation when the foot component is engaged.

The invention discloses a sitting posture detecting method and device, aiming at realizing sitting posture detection on a target user and reminding the target user of maintaining a standard sitting posture. The sitting posture detecting method provided by the invention comprises the following steps: acquiring an image of the target user, and detecting a face tilt angle, area of an eye region, and a head shoulder curve according to the image of the target user; comparing the detected result with preset standard values to obtain a comparison result; and sending a prompt message to the target user when the sitting posture of the target user is determined to be not consistent with the standard according to the comparison result.

A reversible orthopedic seat cushion can include a right leg support channel, a left leg support channel, a rear cutout, and a front contoured protuberance, which can allow a person sitting in the cushion to experience reduced pressure on the persons coccyx, while having support and guidance to the position of the legs. The seat cushion can also be used in a reversed position. The features of the cushion may promote a healthy sitting posture, and proper spine alignment, and may reduce or prevent back pain. Also disclosed is a method for configuring a support contour of a cushion.

The invention discloses a multifunctional wheelchair and belongs to the technical field of wheelchairs. The multifunctional wheelchair comprises a bottom frame, front wheels and rear wheels, a folding backward-moving cushion, a turnover lifting backrest and underarm supporting arms, wherein the front wheels are arranged on the front portion of the bottom frame, the rear wheels are arranged on the rear portion of the bottom frame, the turnover lifting backrest is connected with the bottom frame through a turnover mechanism and is used for adjustment of the angle of the backrest and switching between the lying posture and the sitting posture, the underarm supporting arms are arranged on the turnover lifting backrest and are used for supporting the weight of the human body and lifting the human body along with rising and falling of the turnover lifting backrest, the folding backward-moving cushion comprises a front cushion body and a rear cushion body, the front cushion body is connected with the rear cushion body through a hinge, a folding driving device is arranged between the front cushion body and the rear cushion body, the rear cushion body is connected with the bottom frame in a sliding mode, and a horizontal-movement device is arranged between the rear cushion body and the bottom frame. According to the multifunctional wheelchair, the sitting function, the lying function, the walking assisting function, the pedestal pan function, the electric walking function and the like are achieved, all the functions supplement one another, the structural design is ingenious, using is convenient, and the labor intensity of nurses is greatly relieved.

An exercise assistive device to help a developmentally developed person, such as a child, develop vestibular balance and muscle control, so that the child can learn to perform mobility activities, such as crawling, sitting upright, standing or walking. The device includes a support frame having an upstanding base legs with a connecting frame extending therebetween. A body suit glidable support dolly is mounted upon the frame, and travels longitudinally, traversely and rotationally thereupon. The body suit is suspended from the suit glidable support dolly. Flexible connector straps are provided between the body suit and body suit glidable support dolly and made of a material such as reinforced fabric or canvas. These connector straps are positioned in spaced-apart relation to one another about the body suit glidable support dolly. The body suit is suspended from the seat-support leg by the connector straps that extend between the body suit and fasteners. The fasteners upon the body suit are strategically placed to assist the child assume various postural positions ranging from the upright sitting or standing position, such as at the shoulders, to oblique or horizontal crawling quadruped positions.

Device and method for encouraging and urging an occupant in a sitting means to have optimum sitting posture, in which one or a plurality of sensors are provided to the seat member and/or the back member of the sitting means to which the thighs, hip, spine, shoulder blades and/or ribs, and/or the head of an occupant are contacting when the occupant sits in the sitting means in right sitting posture, said sensors generate/send signals to the microcomputer when an occupant on the sitting means contacts or activates said sensors, upon receiving the signals, the microcomputer orders the responding means either to produce responding signal or not, according to predetermined program, and when the responding means responds, the occupant, upon recognizing the responding signal, tries to contact or activate all the sensors in order to stop the response by correcting his/her sitting posture.

The invention discloses an intelligent seat with a function of sitting posture correction. The intelligent seat comprises a backrest (1), a seat body (3) and chair legs (4), wherein pressure sensors (2) are arranged on the contact surface of the backrest (1); two alarm devices (6) are arranged at the two sides of the backrest (1); the top of the backrest (1) is provided with a man-computer interaction screen (8); pressure sensors (2) are arranged on the contact surface of the seat body (3); the bottom of the seat body (3) is provided with a processor and a timer; the pressure sensors (2), the man-computer interaction screen (8) and the timer are connected with the processor. When the sitting posture of a user is not correct, the intelligent seat shakes at a certain amplitude and an alarm is given to remind the user.

A bionic and posture-correcting desk and chair, including a desk and chair or stool, which are separate or combined. The bottoms of desk legs are connected with a footrest, and a chair back is connected between supports of the chair back. At the upper and lower parts of the desk and chair are disposed with a posture-correcting device and a mechanism for fixing the posture-correcting device. The posture-correcting device allows users to maintain the correct “forward sitting position” and “backward sitting position” or a sitting position therebetween all the time. The bionic and posture-correcting desk and chair ensures sitting positions which are comfortable and unlikely to cause fatigue and are easily adjusted.

The invention particularly provides a multifunctional wheelchair controlled by postures of a disabled person, and a control method. The multifunctional wheelchair comprises a vehicle body, a seat, driven wheels and a driving wheel, the seat is arranged on the vehicle body, the driven wheels are arranged at the rear part of the vehicle body, the driving wheel is arranged at the front part of the vehicle body, the bottom of the seat is connected with the vehicle body through support springs and a knuckle bearing at the end of an angular ball joint, and is provided with two sets of space angle sensors x1 and y1, and two sets of space angle sensors x2 and y2 are arranged in the vehicle body. According to the multifunctional wheelchair controlled by postures of the disabled person, the inclination of the human body is measured by using space angles, the movement of the wheelchair is controlled through the sitting postures of the human body, and the wheelchair is turned to the left by inclining leftwards and to the right by inclining rightwards, advances by inclining forwards, and retreats by inclining afterwards, so that great convenience is brought to people with injured limbs.

The embodiment of the invention relates to the field of smart home, in particular to a sitting posture identification method and a smart seat. The sitting posture identification method is applied to the smart seat. The smart seat comprises a backrest and a seat cushion and is provided with multiple pressure sensors. The method comprises the steps that pressure applied to the pressure sensors by auser is collected; the valid pressure sensors are positioned from the pressure sensors; according to the valid pressure sensors, valid areas are determined; the area and pressure of the valid areas are acquired, and according to the area change and pressure change of the valid areas, a sitting posture of the user is identified. In this way, according to the sitting posture identification method and the smart seat, the sitting posture of the user can be precisely identified, and the user is reminded to correct the sitting posture according to the sitting posture problem of the user.

The invention relates to a man-machine interaction intelligent device based on sitting posture identification and application thereof. The device comprises a group of pressure sensors, a wireless transmitting-receiving module, a group of feedback devices, a control circuit, at least one battery and a microcontroller, wherein the group of pressure sensors at least have one pressure sensing function, the wireless transmitting-receiving module is used for wireless communication, the group of feedback devices are used for warning users at the right time, the control circuit responds to change of pressure of the pressure sensor and controls the startup or stop of the feedback devices; the at least one battery supplies power to the device, the microcontroller is connected with the pressure sensor group through the control circuit, and the microcontroller is connected with a PC (personal computer) through the wireless transmitting-receiving module. The application of the device comprises the following steps of: enabling the microcontroller to be in a monitoring mode, obtaining pressure distribution data, judging whether a user uses the device or not, if the user uses the device, entering into an operating mode so as to carry out sitting posture identification; otherwise, maintaining the monitoring mode and the like. Compared with the prior art, the device and the application provided by the invention have the advantages of high identification efficiency, lower cost, high practicability, wide scope of application and the like.

The invention provides an auxiliary standing device, which comprises a support frame, a seat frame, a backrest frame, a leg supporting frame, a pedal frame, a first connecting rod mechanism, a second connecting rod mechanism and a third connecting rod mechanism, wherein the two ends of the seat frame are hinged to the leg supporting frame and the backrest frame; the pedal frame can vertically move along the leg supporting frame; a seat cushion is fixed on the seat frame; a backrest cushion is arranged on the backrest frame; the backrest cushion can vertically slide along the backrest frame; a first driving element is arranged between the support frame and the seat cushion and drives the seat frame to act; a second driving element is arranged between the seat frame and the backrest frame and drives the backrest frame to rotate relative to the seat frame; the first connecting rod mechanism is connected between the support frame and the leg supporting frame; the second connecting rod mechanism is connected between the support frame and the seat frame; and the third connecting rod mechanism is connected between the seat frame and the backrest cushion. Through the first driving element, the second driving element, the first connecting rod mechanism, the second connecting rod mechanism and the third connecting rod mechanism, the auxiliary standing device can help people with lower limb dysfunction to perform nursing and rehabilitation training; and the conversion from the sitting posture to the standing posture is realized.

The invention provides a measuring system for sitting-posture spine correction of cerebral palsy patients, comprising a sitting-posture spine correction brace simulation part and a pressure measurement part, wherein the sitting-posture spine correction brace simulation part simulates the force applying way of the spine correction brace and simulates the spine correction effect of the spine correction brace on the cerebral palsy patients via the effect of the applied force; and the pressure measurement part realizes measurement of the distributed pressures of the corrected parts and the hip and carries out analysis and evaluation to provide mechanical basis for designing the personalized sitting-posture spine correction brace for cerebral palsy patients. The system can simulate the correction function of the sitting-posture spine correction brace for cerebral palsy patients, measure the distributed pressures of the correct parts and the hip, realize quantitative biomechanics measurement analysis of sitting-posture spine correction of the cerebral palsy patients and provide mechanical basis for designing the personalized sitting-posture spine correction brace for cerebral palsy patients.