33 results about "Pressure sensation" patented technology

An article of footwear and insert for an article of footwear are provided with means for stimulating cutaneous pressure sensation from the perimeter of the plantar surface (sole) of the foot. Increasing cutaneous sensation from the perimeter of the plantar foot surface provides the central nervous system of the wearer of the footwear with an increased ability to detect and react to shifts of the body's center of gravity toward the edges of the feet which, if left uncorrected, could result in a loss of balance or a fall. An insole is disclosed which is provided with an elongate member or a series of protrusions which form a narrow ridge in close proximity to the perimeter of the insole, the ridge being adapted to protrude upwardly against the plantar foot surface along at least a portion of the perimeter thereof.

A method and apparatus for determining the specific gravity of a monophasic or polyphasic fluid flowing in a conduit. The apparatus employs an square wave shaped tube known for its effectiveness in differential pressure measurements. The apparatus is configured such that the differential pressure is measured in crosswise manner Pressure taps comprising high and low pressure taps for a respective pressure sensing device are associated with a different leg. The apparatus has also been found to be effective for determining flow rate of the fluid in the conduit using differential pressure measurements.

A compression device is used to increase intra-luminal pressure within the upper esophageal sphincter of a patient in order relieve an impact of an abnormal or defective upper esophageal sphincter anatomy, physiology, or functionality. In one implementation, the compression device is used in conjunction with an external pressure sensing device to determine the external pressure that is to be applied to the cricoid for a specific patient. The compression device can be a means for the management and / or treatment of abnormal upper esophageal sphincter functionality, or a means for strengthening an esophageal sphincter of a subject, or a means for curing esophageal reflux disease of a subject, or a means for improving vocal function in a subject, or a means for managing lung aspiration, or a means for applying cricoid pressure during anesthesia intubation, or a means for stabilizing body structures such as during medical imaging or radiation treatment.

This invention belongs to the area of sensor technology; concretely it is an organic pressure transmitter and the application method. This sensor's sensitive material adopts the organic material, including the organic conjugate small member semi conducting material, the small molecular material adulterant and so on. This pressure transmitter is sensible, its volume is small, the weight is light, the cost is low, and especially suitable to make the curving pressure transmitter array. This invention may be used in robot's pressure sensation, the sense of touch as well as in the industry automatic control relates to pressure transmitter and the array, the application prospect is broad.

A touch position determining apparatus and method thereof are provided. The touch position determining apparatus is adapted to a sphere. The touch position determining apparatus includes a pressure sensing array and a processing unit. The pressure sensing array is coupled below the sphere and includes a plurality of pressure sensing nodes. The pressure sensing array generates a pressure deformation area in response to a touch operation performed on a surface of the sphere, and generates a pressure signal set by the pressure sensing nodes corresponding to the pressure deformation area. The processing unit is connected to the pressure sensing array and determines a touch position of the touch operation performed on the surface of the sphere according to the pressure signal set.

A closed hydraulic system for transmitting a compressive force from a distal site of origin to a proximal site is disclosed. The system having a distal balloon located at the distal site, a distal transmission tube connected to the distal balloon, an exchanger connected to one end of the distal transmission tube, a proximal transmission tube connected to one end of the exchanger, and a proximal balloon connected to one end of the proximal transmission tube; the distal balloon, distal transmission tube, exchanger, proximal transmission tube and the proximal balloon, which is installed in a suitable confined space on a person and hydrostatically connected such that when the compressive force is applied to the distal balloon at the distal site, the compressive force is conveyed to the proximal balloon at the proximal site stimulating a proportional pressure sensation there in the user.

The invention discloses a bus passenger number monitoring system which comprises at least one terminal detection unit and a vehicle-mounted control module, wherein the terminal detection unit comprises at least one pressure sensation element and a signal preprocessing module; at least one pressure sensation element is arranged on a chair of a bus and is used for sensing pressure of the chair and transmitting an electric signal; the signal preprocessing module is connected with the at least one pressure sensation element and is used for processing the electric signal transmitted from the at least one pressure sensation element; the vehicle-mounted control module is used for detecting processed electric signals at a preset time interval and used for outputting detection results. The bus passenger number monitoring system is simple in structure, the number of bus passengers can be accurately counted by correspondingly processing and detecting electric signals output from the pressure sensation elements, and thus the system is high in reliability and relatively low in cost.

Meissner's Corpuscles (MCs) are touch-pressure sensation receptors in glabrous skin. They are imaged by reflectance confocal microscopy to provide a non-invasive, in vivo quantification of their density or size to allow screening for, diagnosis or monitoring of sensory neuropathy and other peripheral nervous system disorders related to diabetes, HIV, or other conditions.

An active exercise and therapeutic system for promoting physical motion, balance and coordination and importantly a variety of therapeutic modalities to a user's foot or feet. The system comprises a training apparatus having a stationary base member operatively interconnected with first and second rotating platforms mounted thereon. The first and second rotating platforms are adapted to receive, respectively, the foot of an individual to stand thereon such that each foot can rotate independently about a separate axis. Stationary base member with rotating platforms mounted thereon can further be positioned upon a specialized mount operative to impart a further range of motion or specific orientation. In further embodiments, the rotating platforms may be provided with a variety of functional modalities, such as calorie counting, distance travelled, and the like, or a therapeutic modality, such as heat, cold or pressure sensation to impart a therapeutic effect to the user's feet.

Exemplary systems and methods for providing a sensation rehabilitation training system and its implementation which solves the problems of existing sensation rehabilitation training device like large size, poor training results and high cost. The rehabilitation training system include the CPU as well as sensation training device (STD), pressure sensation training device (PSTD) and feedback device (FD) separately connected with the CPU, where the STD and PSTD are connected. The invention is characterized in rational design, high integration, brand-new training mode, wide range of application, easy operation and significant training effect, thus it is appropriate for promotion and application.

An existing commercialized prosthetic hand system has developed a more attractive appearance and enough driving degrees of freedom, and can meet the daily life of amputated patients, however, the existing commercialized prosthetic hand system generally lacks an effective sensory feedback function, and prosthetic hand equipment cannot be incorporated into proprioceptive mapping. On one hand, a disabled patient is easy to generate a control fatigue feeling and a psychological conflict emotion in the use process, so that the phenomenon that the use frequency of dexterous hand equipment is greatly reduced or the dexterous hand equipment is abandoned is caused; and on the other hand, the deficiency of multiple sensory feedback such as pressure sensation and position sensation also causes that the patient cannot make fine actions such as pinching, grasping and touching in real time, which becomes a key technical link urgently needing to be solved in the current artificial hand research field. The invention provides a multi-channel electrical stimulation system and stimulation method for dexterous hand touch sense and position sense feedback, which can output multi-channel portable electrical stimulation equipment with high real-time performance and wide frequency, and specially designs a multi-channel gating circuit for expanding the number of constant voltage source stimulation channels. The contradiction between the oversize circuit size and the portability requirement of an artificial hand system is solved; meanwhile, a current monitoring circuit is designed in a matched mode, and the current gathering phenomenon caused by skin impedance change or electrode falling is prevented.

The invention relates to the field of medical technology, in particular to an automatic acupoint-applied directly-pressurizing micro-needle and an application method thereof. The automatic acupoint-applied directly-pressurizing micro-needle comprises a skin feeling and contact piece and an assembly housing structure. The bottom of the skin feeling and contact piece is adhered to a micro-needle positioning piece. One side, departing from the skin feeling and contact piece, of the micro-needle positioning piece is adhered to a button positioning piece. A viscous force connecting piece is arranged between the micro-needle positioning piece and the button positioning piece. One side of connection between the viscous force connecting piece and the micro-needle positioning piece is equipped witha medical adhesive tape. The middle part of the medical adhesive tape is equipped with a micro-needle structure in an adhering manner. The middle part of one side, departing the micro-needle positioning piece, of the button positioning piece is equipped with a pressure button in an embedding manner. By pressing the pressure button on the adhesive tape, a needle point vertically pierces at one time and is closely adhered and fixed by the adhesive tape. Before the needle point pierces, the skin feeling and contact piece touching the skin excites a pressure sensation nerve receptor and inhibitsa pain sensation receptor in order to relieve pains. After the adhesive tape is attached to the skin, the adhesive tape automatically separates from the micro-needle. The operation step of imbedding aneedle during treatment is simplified.

The invention discloses a net-shaped ventilated wide-narrow knitted tape and a manufacturing method thereof. The net-shaped ventilated wide-narrow knitted tape comprises a knitted tape main body; the knitted tape main body is provided with a narrow entity section and a wide net hole section; the width of the wide net hole section is greater than that of the narrow entity section; the narrow entity section and the wide net hole section are integrally crocheted in a crocheting machine of the same knitting electronic driving guide bar; and the narrow entity section and the wide net hole section are connected end to end and are circularly arranged. The net-shaped ventilated wide-narrow knitted tape can effectively alleviate pressure sensation on human bodies and is comfortable to wear.

An improved pressure sensory threshold testing instrument comprised of a filamentous testing element (132) mounted on a head member (102) that is pivotally attached to a handle member (100) with a nonelectrical power assist pivot mechanism. The power assist pivot mechanism aids in actively biasing the head member (102) into either an open, testing position or a closed, storage position. The power assist mechanism and geometry resist accidental opening that could expose and damage the filament. The design facilitates one-handed operation with no change in grasp needed throughout the whole process of retrieval, testing, and storage. This singular grasp allows for increased ease and efficiency of the testing procedure. The configuration speeds the testing process while protecting the filament more securely in an instrument that is portable in a pocket. The design also minimizes the potentially threatening appearance of this type of medical testing device.

The invention relates to a tactile feedback exoskeleton device based on vibration and pneumatic combination. The tactile feedback exoskeleton device comprises a simulated palm and five simulated fingers; the finger roots of the five simulated fingers are movably connected with a steering engine through a transmission shaft; one degree of freedom is set at each knuckle of each of the five simulatedfingers, the fingertip of each of the simulated fingers is movably connected with a finger sleeve, and a vibrating sheet is fixedly arranged on each finger sleeve; the simulated palm is provided witha cavity structure, a first gas inlet communicating with the cavity is formed in the simulated palm, a gas jetting opening is formed in each finger sleeve, and a gas guiding pipe is arranged on eachsimulated finger; and one end of each gas guiding pipe communicates with the cavity of the simulated palm, and the other end of each gas guiding pipe communicates with the corresponding gas jetting opening. According to the tactile feedback exoskeleton device, by simulating the fingers to limit the hand movement to display the pressure sensation, a more realistic tactile sensation is provided fora wearer; and meanwhile, by simulating the tactile sense of the human skin by using the gas flow vortex and vibration, the tactile feedback exoskeleton device has the characteristics of being small insize, easy to carry and real in simulation of the tactile sense of the human body.

The invention relates to a mask and belongs to the technical field of daily commodities. The mask comprises a mask body which fits in with the nose and mouth and belts for hanging the mask body on the ears. The belts are arranged on the two sides of the mask body. The mask further comprises breathing equipment and a jasmine Chinese medicine powder device which are both arranged on the mask body. The belts are arranged on the two sides of the mask body, the breathing equipment comprises a first cavity used for storing the mixture of diatom pure and nanometer mineral crystal and a first fabric isolated layer used for sealing the first cavity, the first fabric isolated layer is sewn or fixedly connected in an adhering mode to the mask body, the jasmine Chinese medicine powder device comprises a second cavity for storing jasmine Chinese medicine powder and a second fabric isolated layer for sealing the second cavity, the second fabric isolated layer is sewn or fixedly connected in an adhering mode to the mask body. The mask is capable of preventing dust and haze and releasing the negative oxygen ions, so the pressure sensation of breathing can be eased when the human body wears the mask, meanwhile the jasmine Chinese medicine powder takes effect and human health can be protected more effectively.

A tactile sensation presenting device includes: a pressure sensation generating unit configured to present pressure information; and a tactile sensation generating unit arranged on the pressure sensation generating unit. The tactile sensation generating unit includes a vibrating element configured to present vibration information; a warmth / coldness presenting element provided above the vibrating element and configured to present warm / cold information. The vibration information, the warm / cold information, and the pressure information are presented to an operating part in contact with a tactile sensation presentation surface of the tactile sensation generating unit.

The present invention relates to a method of modeling a tactile sensation using a nerve spike pattern, a tactile sensation model, and a method of generating a tactile sensation using a nerve spike pattern and may include generating a nerve spike pattern by sequentially arranging action potential spike time points of a nerve responding to a specific pressure and modeling a pressure sensation for the pressure on the basis of the generated nerve spike pattern. According to the present invention, by checking how tactile sensation information is reflected in a nerve spike pattern, it is possible to provide a method capable of modeling various tactile sensations using the nerve spike pattern.

The invention relates to a table tennis exercise system based on active radio frequency tag reading positioning. The system consists of a table tennis table, a table tennis net, table tennis bats, a table tennis ball and a server, wherein the table tennis table is provided with an active radio frequency tag reader; the table tennis net is provided with another active radio frequency tag reader; the table tennis bats are provided with pressure sensors; the table tennis ball is provided with an active radio frequency tag; the server is used for calculating positions according to the active radiofrequency tag; the active radio frequency tag readers on the table tennis table and the table tennis net are used for acquiring radio frequency signals transmitted from the table tennis ball with theactive radio frequency tag, used for receiving signal receiving start moments, and used for transmitting the signal receiving start moments to the server for calculating the positions according to the active radio frequency tag; the pressure sensors on the bat surfaces are used for acquiring pressure sensation data, and used for transmitting data of the pressure sensors to the server for calculating the positions according to the active radio frequency tag. By adopting the table tennis exercise system, the problem that a conventional table tennis exercise system based on Internet of Things has no function of calculating the position of the table tennis ball in real time is solved.

The invention discloses a corneal perception instrument. The corneal perception instrument comprises a handle kit and a lateral pressing adjusting kit, wherein the handle kit comprises a handle and a fiber filament sleeved in the handle; the lateral pressing adjusting kit is used for moving the handle kit, so that the front end of the fiber filament and the horizontal sight line of a patient form an included angle alpha, the eyes of the patient are pressed downwards for measurement, and the included angle alpha is 10-80 degrees. With the corneal perception instrument, a doctor can judge the sensitivity of the corneal perception of the patient according to the pressure feeling of the patient to the tip end of the fiber filament, compared with the prior art, the operation consistency, the measurement accuracy and the safety are improved, and meanwhile, the possibility of false positive is reduced.

The invention relates to the technical field of simulation trainers, in particular to a simulation trainer for invasive arterial puncture catheterization skill. The simulation trainer comprises a machine body, wherein a display screen is arranged at the position, close to the left edge, of the top of the machine body, and a simulation blood storage tank is arranged at the position, close to the right edge, of the top of the machine body; a power line, a brachial artery simulation blood connecting pipe, a simulation blood vessel connecting pipe and a radial artery simulation blood connecting pipe are sequentially arranged at the position, close to the bottom edge, of the right side of the machine body from left to right; and a power switch is arranged at the position, close to the top edge,of the right side of the machine body. The simulation trainer for invasive arterial puncture catheterization skill disclosed by the invention can simulate the real touch feeling and pressure feelingby pressing a skin arm model and built-in radial artery, brachial artery and simulation blood vessel; the corresponding data can be directly displayed through a first pressure sensor, a second pressure sensor, a photoelectric sensor and the display screen, the observation of the user is convenient, and the user can train the invasive arterial puncture catheterization skill.

The invention provides a rotating disc type pulse valve for an intelligent closestool. The rotating disc type pulse valve comprises a pulse shell, a flow dividing disc and a pulse valve element. In the process that the pulse valve element rotates relative to the pulse shell, the disc body and the water passing opening alternately correspond to the flow dividing openings in the upper portion of the flow dividing disc so that the flow dividing openings in the upper portion of the flow dividing disc can be alternately in the blocking state or the open state, and the flow dividing disc can be blocked or opened by combining the remaining flow dividing openings in the open state in the flow dividing disc. The flow area of the water flow channel is periodically reduced or increased, so that the pressure of the water flow which flows out of the rotating disc type pulse valve and is used for flushing is alternately increased or decreased, a user obtains gradually-changed pressure feeling and impact feeling in the using process, the massage comfort degree is achieved, and the use experience of the user is improved.

The invention discloses a blood pressure measurement device and a method of blood pressure measurement. The blood pressure measurement device comprises a case, a first electrode and a stress sensor. The case includes a first surface and a second surface. The first electrode is disposed on the first surface, and the stress sensor is disposed on the second surface. The blood pressure measurement device is operated on a part of a body of a user. The part of the body has a blood vessel inside. Upon measurement of the blood pressure, the first electrode, the stress sensor and the blood vessel at least partially overlap in one projection orientation. Therefore, the stress sensor is able to be pressed on the part of the body when the user touches the first electrode. A method of blood pressure measurement is also disclosed.

The invention is suitable for a somatosensory education system, which can be suitable for somatic sensation and is a sensing technology similar to tactile sensation, pressure sensation, proprioceptionand the like. The system relates to high-end technologies such as optics and electromagnetics, and can be combined with technologies such as 3G technology, brain wave detection, Internet of Things and the like. The system senses physical parameters of limb actions of a user, and is applied to mechanics perception teaching, electromagnetism cognition teaching and rotation perception teaching. Theoptical sensing technology enables limb actions of human body images to be interacted with contents in a game. The inertia and optical combined sensing technology can be applied to simulation driving,collision test and simulation test operation. According to the system, a training mode that theoretical explanation and student experience are carried out at the same time and students are taken as main roles and teachers as auxiliary roles is carried out, and education courses are developed in a classroom in a scene experience mode, so that real-time interaction between the teachers and the students and among the students can be realized. The classroom efficiency is improved, the education becomes diversified, the education content is enriched, and the education has a more practical effect.

The present invention relates to a method of modeling a tactile sensation using a nerve spike pattern, a tactile sensation model, and a method of generating a tactile sensation using a nerve spike pattern and may include generating a nerve spike pattern by sequentially arranging action potential spike time points of a nerve responding to a specific pressure and modeling a pressure sensation for the pressure on the basis of the generated nerve spike pattern. According to the present invention, by checking how tactile sensation information is reflected in a nerve spike pattern, it is possible to provide a method capable of modeling various tactile sensations using the nerve spike pattern.

A touch display device includes a touch panel, a liquid crystal display module and a pressure sensation layer. One face of the liquid crystal display module is correspondingly attached to a bottom of the touch panel. The liquid crystal display module corresponds to a touch section of the touch panel. The pressure sensation layer is disposed on the other face of the liquid crystal display module. The touch display device can provide both plane touch and pressure sensation touch effects and the operation of the touch display device is diversified and facilitated.

A compression device is used to increase intra-luminal pressure within the upper esophageal sphincter of a patient in order relieve an impact of an abnormal or defective upper esophageal sphincter anatomy, physiology, or functionality. In one implementation, the compression device is used in conjunction with an external pressure sensing device to determine the external pressure that is to be applied to the cricoid for a specific patient. The compression device can be a means for the management and / or treatment of abnormal upper esophageal sphincter functionality, or a means for strengthening an esophageal sphincter of a subject, or a means for curing esophageal reflux disease of a subject, or a means for improving vocal function in a subject, or a means for managing lung aspiration, or a means for applying cricoid pressure during anesthesia intubation, or a means for stabilizing body structures such as during medical imaging or radiation treatment.

The invention discloses a display device, which comprises a display module and a pressure sensing module, wherein the pressure sensing module comprises a reference electrode, a first insulating layer, a first sensing electrode, a second insulating layer and a second sensing electrode which are sequentially stacked; the display module comprises an electric conductor; the reference electrode is any electric conductor in the display module; the first insulating layer and the second insulating layer both have elasticity; the first insulating layer comprises a plurality of bumps which are arranged at intervals; a gap is formed in the position, corresponding to each bump, of the second insulating layer; the reference electrode, the first insulating layer and the first sensing electrode are matched to form a first capacitor; the first sensing electrode, the second insulating layer and the second sensing electrode are matched to form a second capacitor; and the display device carries out pressure sensing according to changes of capacitance values of the first capacitor and the second capacitor.