141 results about "Head circumference" patented technology

A system to identify a user in relation with television services comprising eyeglasses worn by said user, said eyeglasses having a pair of flexible temples taking on the shape of a portion of the circumference of the user's head, a television receiver device comprising a server module communicating wirelessly with sensors arranged on the eyeglasses. The system is characterized in that each of the flexible temples of the eyeglasses incorporates at least one sensor configured for measuring a value of deflection caused by the temple bending around a portion of the circumference of the user's head, said value being unique for each user is transmitted as biometric to the server module configured for determining the identity of the user according to the measured value of the portion of the user's head circumference.

The invention relates to a method for automatically measuring an ultrasound image of a fetus, comprising the steps of obtaining an ultrasound image; enhancing an edge gray scale of a head circumference or an abdominal circumference of the fetus; identifying a region of the head circumference or the abdominal circumference of the fetus; obtaining a single-pixel edge image; and calculating the length of the head circumference or the abdominal circumference of the fetus. Because automatic measurement is adopted, by means of the application of the method, the image region of the head circumference or the abdominal circumference of the fetus can be automatically identified, the edge of the head circumference or the abdominal circumference can be automatically detected and located and the circumferential length of the edge of the head circumference or the abdominal circumference can be automatically measured, therefore parameters of the fetus, such as a gestational age, a fetal weight and the like can be automatically estimated. Compared with a method for manually locating a line-drawing mark in manual measurement, the method disclosed by the invention is more accurate to measure and locate so that a measurement result of the fetus is more accurate; meanwhile, the repeated and boring works of a user can be reduced, the efficiency of an ultrasonic diagnosis system is increased and the method is more convenient and faster to use.

An opening type bone conduction earphone which eliminates headband and has a compact and simple structure comprising a magnetic body, which has an aeration hole, which is able to communicate with the outside world when wearing, at the center part of the axial direction, at least one or more dampers provided at the outer circumference of the magnetic body, and a coil bobbin, which is provided at the outer circumference of the magnetic body, accommodates the damper within a trunk part, and in which a coil is wound at the outer circumference of the trunk part, is provided.

The invention provides a measurement method for a fetus ultrasound image. The measurement method includes acquiring a fetus ultrasound image; establishing an Adaboost classifier of a head circumference or abdominal circumference of the fetus; performing rectangle scanning to the head circumference or abdominal circumference of the fetus according to a sliding-window detecting method, and acquiring a rectangle subimage of the head circumference or abdominal circumference; classifying the rectangle subimage based on the Adaboost classifier, and acquiring interested area of the head circumference or abdominal circumference; extracting edge features of the head circumference or abdominal circumference of the interested area; performing image match to the edge features, and acquiring an ellipse of the head circumference or abdominal circumference; and calculating the length of the ellipse of the head circumference or abdominal circumference. In the process of performing the rectangle scanning to the head circumference or abdominal circumference by adopting the sliding-window detecting method to acquire the rectangle subimage of the head circumference or abdominal circumference, Prior knowledge of the fetus and scanning depth and pixel number information during the clinical test are added, so that detecting speed and accuracy of the interested area of the head circumference or abdominal circumference are improved.

A cranial orthosis is contoured to match the curvature of the fronto-temporal, parietal and occipital areas of an infant's cranial vault to provide protection against the acquisition of postural cranial deformities as a result of the infant's sleeping in the supine position. The orthosis is designed to be of universal fit, as determined by the infant's fronto-occipital head circumference (FOC) measurement. Moreover, the interior dimensions of the orthosis can be enlarged to accommodate growth of the infant's head without requiring replacement. The orthosis is a molded plastic appliance in the form of a shell, headband or helmet having interior surfaces that are smoothly contoured to conform in shape to the surface curvature of the occipital, temporal and parietal areas of a healthy human infant having normal cranium size, shape and symmetry. The cavity is sized to provide a close, non-interfering fit of the conformed interior surfaces in facing relation to the occipital, fronto-temporal and parietal areas of the infant's cranial vault, thereby allowing the the infant's head weight forces to spread substantially uniformly across one or more of the conformed interior surfaces while the infant is resting on a sleep surface in the supine position.

A cranial orthosis includes a sensor to monitor one or more conditions of an infant wearing the cranial orthosis. The cranial orthosis is preferably contoured to match the curvature of the fronto-temporal, parietal and occipital areas of an infant's cranial vault to provide protection against the acquisition of postural cranial deformities as a result of the infant's sleeping in the supine position. The orthosis is designed to be of universal fit, as determined by the infant's fronto-occipital head circumference (FOC) measurement. The interior dimensions of the orthosis can be enlarged to accommodate growth of the infant's head without requiring replacement. The sensor may detect oxygen saturation, pulse, temperature, or any other measureable condition or combination of conditions. The system includes an alarm that is triggered when a sensed condition crosses a selected threshold level.

A head circumference adjustment device of a helmet includes: a main body formed with a cavity; an annular strap having a first end and a second end passing through the cavity, each of the first and second ends being formed with a rack section, a thumb section and a shoulder section; and a controller mounted in the cavity. The controller has a gear engaged with the rack sections of the strap. By means of rotating the controller, the position of the strap can be adjusted to adjust the head circumference. The head circumference adjustment device can be easily operated and truly fixed to overcome the shortcomings existing in the conventional adjustment device that the strap is likely to slip and the position of the strap can be hardly truly adjusted and the strap is likely to detach from the adjustment device.

The inventive protective helmet (1) consists of a deformable cap (7), a plurality of scales (9) and connecting means which is made of a flexible material and joints the scales (9) therebetween. Said scales (9) are distributed through the cap (7) in such a way that at least one dome scale (9a), at least one occipital scale and a plurality of transversal side scales (9c) are formed. The scales (9) and connecting means are connected to the cap (7) in such a way that a slight sliding is enabled between the cap (7) and at least one part of the scales (9). In the preferred embodiment, the inventive helmet (1) also comprises an element (14) for adjusting a head circumference of the helmet (1) and optimising a user comfort.

The invention discloses a wearable bioelectric signal acquisition helmet which comprises a peripheral fixing ring, a rigid fixing assembly and an adjustable strip, wherein the rigid fixing assembly isprovided with a plurality of electrode mounting holes; strip clamping grooves are arranged outside the electrode mounting holes; peripheral fixing ring clamping grooves are connected with the strip clamping grooves in the peripheries of electrode fixing holes by the adjustable strip; electrodes are fixed in the electrode mounting holes; and the peripheral fixing ring is further provided with a tightness adjusting device. The wearable bioelectric signal acquisition helmet adopts modular design, is formed by splicing the rigid fixing assembly with the adjustable strip, and is provided with a tightness adjusting knob, so as to adapt to electroencephalogram records of different tested head circumferences while maintaining stable contact of the electrodes and the to-be-tested skin and reliablesignal records.

The invention provides a head band structure, in particular to a head band structure of a face mask. The head band structure comprises a head top restraint part used for being attached to the top of the head of a wearer when the face mask is worn, a head circumference restraint part used for being attached to the forehead and the back side of the head when the face mask is worn and a middle connection part connected between the head top restraint part and the head circumference restraint part, wherein the head top restraint part is provided with at least two mutually spaced telescopic bands, each telescopic band can be controlled to be automatically stretched out and drawn back relative to the middle connection part, the head circumference restraint part comprises a front restraint band used for being attached to the forehead and a rear restraint band used for being attached to the back side of the head, and the front restraint band and the rear restraint band can be controlled to be automatically stretched out and drawn back relative to the middle connection part. The invention further relates to the face mask with the head band structure.

The invention discloses an anesthesia positioner. The anesthesia positioner comprises a bed board, a long-strip-shaped hole which is formed in the width direction of the bed board is formed in the end, in the length direction, of the bed board, an appropriate supporting plate is selected according to the head circumference size of an infant and arranged in the middle of the long-strip-shaped hole, a pillow is arranged on the supporting plate, telescopic rods stretch out and drive two arc-shaped clamping plates to stretch out of the upper surface of the bed board by starting two bottom oil cylinders, the positions of the two bottom oil cylinders are adjusted by starting side oil cylinders, then the distance between the two arc-shaped clamping plates is adjusted, non-woven fabric layers of the arc-shaped clamping plates make contact with one side of the head of the infant, and then the condition that in the infant anesthesia process, the anesthesia position is inaccurate due to the fact that the head shakes at will is avoided; the distance between two connecting plates is adjusted by sliding the connecting plates to enable the non-woven fabric layers of the clamping plates to make contact with the side of a body of the infant, then the body of the infant is positioned, and anesthesia position inaccuracy caused by body swinging is avoided.

A headgear for neck rehabilitation and weight training includes first and second straps forming a loop for wrapping a forehead of a user, an upper strap device abutting a top of a head of the user, and a lower strap abutting a chin of the user. The second strap is coupled to the first strap and is adjustable in length to fit the head circumference of the user. The upper strap device is adjustable in length to fit the spacing between the forehead and the top of the head of the user. The lower strap is coupled to the loop formed by the first and second straps and is adjustable in length to fit the chin of the user. The headgear can be assembled with one of two rehabilitation accessories in a rehabilitation mode or assembled with a weight training accessory in a weight training mode.

The invention provides infant head circumference and weight measuring equipment, which comprises a mechanical unit, a circuit unit and an infant elastic cap, wherein the mechanical unit at least comprises a base, a top cover, a crossed support frame, a tray and a camera; the circuit unit comprises a power interface, a circuit board and a serial port; the circuit board is fixedly arranged in the base; the power supply interface and the serial port are both fixed to one side of the base; a pressure sensor connected with the circuit board is further arranged in the base; the base is covered with the top cover; an opening is formed in a position, corresponding to the pressure sensor, on the top cover; the pressure sensor is exposed out of the opening. The infant head circumference and weight measuring equipment provided by the invention can be used for measuring the weight and the head circumference of an infant at the same time, is high in measuring accuracy, and can be used for measuring intelligently.

The invention discloses a full-automatic head circumference measuring method and device based on an ultrasonic image for a fetus. The method comprises the steps of S1, acquiring a two-dimensional ultrasound image of the head of the fetus; S2, constructing a full convolution neural network, carrying out semantic segmentation on the two-dimensional ultrasonic image of the head of the fetus accordingto the full convolution neural network, and preliminarily segmenting out an ROI region from the two-dimensional ultrasonic image; S3, acquiring the outline of the ROI region; S4, carrying out ellipsefitting on the outline of the ROI region of the head of the fetus; S5, calculating the head circumference length of the fetus according to the ellipse. The method is realized on the basis of a deep learning method and an image processing technology, the skull of the fetus in the ultrasonic image can be rapidly and accurately integrated, and the head circumference of the fetus can be calculated according to the corresponding relationship between pixels and actual length.

A noise and light occluding sleep-enhancing device 10 is disclosed, the device having an elongated pillow portion 12 with attachment members 16, 18 disposed on opposite ends of said elongated pillow portion. When in use, the sleep-enhancing device surrounds a user's head, thereby suppressing both noise and light and providing a user with a comfortable pillow for the full lateral circumference of the user's head.

The invention relates to an infant head circumference automatic measurer which comprises a head circumference frame, an inner left airbag, an inner right airbag, an outer left airbag, an outer right airbag, a double-throw switch, a code scanner, a data conversion and acquisition unit and a data processing and display unit, wherein the inner left airbag and inner right airbag are embedded to the inside of the head circumference frame and connected with an inner inflation unit; the outer left airbag and outer right airbag are embedded to the outside of the head circumference frame and connectedwith an outer inflation unit; the measurement output end of the double-throw switch is connected with the inner inflation unit and data conversion and acquisition unit; the backup output end of the double-throw switch is connected with the outer inflation unit; and the signal output ends of the data conversion and acquisition unit and code scanner are connected with the corresponding signal receiving end of the data processing and display unit. Compared with the existing manual measurement method, the invention has the advantages of higher measurement speed, higher measurement accuracy and accurate and reliable result, and enhances the efficiency for physical examination of infants.

To achieve high fit corresponding to variation in dimensions and shapes in a section of a human body and high return-promoting-effect.The cylindrical bandage (1) has increase and decrease in the number of stitches of row on one circle of a wale side to reflect a variation in circumference of a section of a human body in human body circumference dates m1, m2, m3, . . . . This bandage includes depression part (exterior convex part (42) where stitch shows convexity on the outside and concavity on the inside) and projection part (interior convex part (41) where stitch show concavity on the outside and convexity on the inside) on the inside being in contact with a wear part. The depression part and projection part are alternatively and continuously arranged in parallel in a circumferential direction. This bandage has continuous unevenness in the cross-section by knitting.

A cranial orthosis is contoured to match the curvature of the fronto-temporal, parietal and occipital areas of an infant's cranial vault to provide protection against the acquisition of postural cranial deformities as a result of the infant's sleeping in the supine position. The orthosis is designed to be of universal fit, as determined by the infant's fronto-occipital head circumference (FOC) measurement. The interior dimensions of the orthosis can be enlarged to accommodate growth of the infant's head without requiring replacement.

The invention provides a welding mask headband structure comprising the following portions: a forehead band portion making contacts with the forehead of a wearer; a head shroud portion rotatably connected with the forehead band portion and making contacts with the head girth of the wearer; and at least three top band portions making contacts with the head top of the wearer, wherein two ends of each top band portion are rotatably connected with the head shroud portion. The invention also comprises a welding mask having the headband structure.

The invention relates to a wearing device for a helmet of a firefighter for urban rescue. The wearing device is composed of an ear drawstring, a lateral drawstring, a chin support, an adjusting component, a nape comfort pad, a chin strap, a helmet ring, a helmet edge comfort pad, a helmet hoop, a buffering cushion, a width-adjusting rope and a buffering belt, wherein a slot is arranged on the helmet ring; the helmet ring is connected with the helmet hoop by plugging a pin into the slot; one end of the width-adjusting rope passes through four belt holes of the buffering belt in turn; two ends of the width-adjusting rope are fastened into a knot; the two ends of the buffering belt respectively pass through four slotted holes in the helmet ring and are arrayed in a 90-degree crossing mode; the buffering belt and the buffering cushion are fixed by using a magic hasp; and a linkable adjusting system is formed by the ear drawstring and the lateral drawstring through a drawstring-dividing piece. During the process of tightening a head girth, the center of gravity of the helmet has a trend of gradually moving backward, thereby being beneficial to the balancing of the problem of the forward inclined center of gravity of a helmet system caused by a goggle and a floodlight mounted on the front part, and being beneficial to the promotion of wearing stability; a clearance between a top pad and a helmet shell can be adjusted along the vertical direction by adjusting the tightness degree of the width-adjusting rope; the height of the helmet for the firefighter can be adjusted for adapting to different head size of the firefighter; and the wearing stability and comfort are increased.

The invention relates to the technical field of medical instruments, in particular to an intracranial lesion positioning and puncture device. The device comprises a supporting frame, at least three positioning blocks slidably connected to the supporting frame, a puncture mechanism movably connected to the supporting frame, positioning reference pins movably and separably arranged on the positioning blocks and a first locking assembly fixedly locking the positioning blocks on the supporting frame. The intracranial lesion positioning and puncture device has the advantages that the puncture angleand puncture distance of the puncture mechanism are determined through the relative positions of the positioning blocks and lesion point, the operation is simple, complicated calculation is not required when the intracranial lesion of a patient is positioned, and the positioning accuracy is higher. The invention also provides a skull drilling and positioning device. The device comprises the intracranial lesion positioning and puncture device and a head circumference sleeve, wherein the outer wall of the head circumference sleeve is provided with a plurality of marking lines which are parallelto one another, and the marking lines are coated with reflective coatings; each marking line is provided with at least three positioning holes used for containing skull nails. The skull drilling andpositioning device is simple to operate and high in positioning precision.

The invention discloses a special bed for physical examination of infants and young children, and relates to the technical field of young children physical examination. The bed comprises a bed body, asoft cushion, a head circumference measuring mechanism, a water replenishing mechanism and an inflation pillow, the soft cushion is slidably connected with the top of the bed body, the head circumference measuring mechanism is fixedly installed on the side, away from the soft cushion, of the bed body, the water replenishing mechanism is fixed to the left side of the bed body, the inflation cushion is fixedly connected with the left side of the top of the soft cushion, and the head circumference measuring mechanism comprises a panel body, a ring body, an annular groove, a rotary ring, clampingteeth, a gear and the like. The bed has the advantages that a contacting member is arranged in the head circumference measuring mechanism, the operation time of the water replenishing mechanism is increased, the adjusting effect on the contacting member is achieved, warm water is added to the water replenishing mechanism, so that the part, contacting with the infants and young children, of the contacting part is warmer, the irritation on the skin of the infants and young children is reduced, and the crying of the infant and young children is avoided.

The invention provides a head shaping pillow, and relates to daily necessaries, in particular to a baby product. The head shaping pillow comprises a pillow body and two positioning bodies. The positioning bodies are connected to the left and right sides of the pillow body through elastic hook and loop fasteners with a positioning function, and the distance between the two positioning bodies can be adjusted by adjusting the pasting positions of the positioning hook and loop fasteners and can be controlled to be within 10-40 cm. The head shaping pillow has the advantages that the head of a baby can be easily fixed between the two positioning bodies, the positions of the positioning bodies can be adjusted according to the head circumference, head skewness formed in sleeping of a baby can be corrected, the situation that the ears are pressed to deform after the head skewness is formed in sleeping can be avoided, and an attractive head shape can be easily formed.

The invention discloses a method for cutting out garments according to a figure based on millimeter waves. The method comprises the specific steps that 1, a measured person stands according to a certain standing posture rule, three-dimensional data of the human body is obtained, the data matrix size is (Nz, Nx, Ny), and the data is normalized; 2, the data, in the X direction and the Y direction, of the human body is obtained through a positive projection, such as the body height, the arm length, the shoulder width and the head circumference; 3, the circumference data of the human body is obtained through a lateral projection, such as the hip circumference, the waist circumference, the waist height, the chest circumference and the abdomen circumference. In the method, the good characteristics of the millimeter waves are fully utilized, by using a micro-wave imaging technology, it is achieved that the contactless three-dimensional data of the human body is obtained, the related dimensions of the human body are quickly analyzed, and it is achieved that the garments are cut out according to the figure; the overall speed of obtaining and calculating original image data is high, and thewhole figure measuring process is completed within 5 seconds.