152results about "Earplugs" patented technology

The utility model discloses a comfortable sound insulation type silica gel earplug, which relates to the technical field of silica gel earplugs, and comprises a first silica gel earplug and a second silica gel earplug, the first silica gel earplug and the second silica gel earplug are both fixedly provided with a fixed ear frame, and one end of the first silica gel earplug and one end of the second silica gel earplug are both provided with air holes. And a sealing plug is tightly attached to the interior of each air hole, a connecting frame is fixedly arranged at one end of each sealing plug, a connecting belt is tightly attached to each connecting frame, a connecting rope is fixedly arranged at the other end of each connecting belt, and a connecting mechanism is arranged at one end of each connecting rope. According to the utility model, through the arrangement of the fixed ear frames and the air holes, and the sealing plugs tightly attached to the interiors of the air holes, various choices can be provided for a user when the earplug is worn, and the first silica gel earplug and the second silica gel earplug can be conveniently connected through the connecting rope, so that the first silica gel earplug and the second silica gel earplug are convenient to store.

A faceplate (1) configured to be removably affixed to an outer face (20) of a retaining body (17) of an earpiece (2) configured to be disposed within the concha of an ear of a wearer. An earpiece (2) comprising a retaining body (17) configured to be disposed within the concha of an ear of a wearer, the retaining body having an outer face (20) opposite to an inner face (21) extending to a retaining body periphery (22), the retaining body including a projection element (18) configured to project into an ear canal opening of the wearer, the projection element (18) adapted to retain an earpiece tip (19) configured to engage an ear canal wall of the wearer, and a faceplate (1) configured to cover the outer face (20) of the retaining body (17), the retaining body and the faceplate including releasably engageable mateable parts to removably affix the faceplate to the retaining body.

A hearing protection device to be worn in ear provides communications of ambient sound to an in-ear speaker. Blast noise is detected and measured using either the in-ear speaker as a microphone or using a separate in-ear microphone.

The utility model provides a shading eyeshade which comprises an eyeshade body, an adjusting groove is formed in the outer surface of the eyeshade body, a light hole penetrating through the eyeshade body in the thickness direction is formed in the adjusting groove, and a shading piece used for shading the light hole is arranged in the adjusting groove. The anti-dazzling screen slides in the adjusting groove so that the light inlet amount of the eyeshade body can be adjusted by adjusting the covering rate of the anti-dazzling screen on the light transmitting hole. The adjusting groove is formed in the outer side of the eyeshade connecting band, the light hole penetrating through the wearing part and the shading part is formed in the groove, the shading piece in the adjusting groove slides to cover the area of the light hole so as to achieve stepless adjustment of the light inlet amount, and operation is easy.

An in-ear hearing protection device is provided. The in-ear hearing protection device includes a microphone (410) configured to receive an ambient sound. The in-ear hearing protection device also includes a processor (420) configured to perform an attenuation function on the received ambient sound to provide an attenuated sound. The in-ear hearing protection device also includes a speaker (440) configured to broadcast the attenuated sound. The in-ear hearing protection device also includes a communication module (430) configured to receive a second attenuation function detail from a second in-ear protection device. The processor is configured to calculate a first attenuation function detail and compare the first and second attenuation function details. The performed attenuation function is based on one of the first and second attenuation function details.

According to an embodiment, a method for designing of one or more virtual models of custom ear devices according to configuration requirements from a user input and according to component and / or material information that are associated with components and / or materials of a target product is provided. The method may comprise steps for displaying the designed one or more virtual models of custom ear devices together with meta data that comprise information on the designed one or more custom ear device's compatibility with the configuration requirements and the contained components. According to an embodiment, a computer-readable storage medium or computer program is provided, comprising commands, which when executed by a computer, causes the computer to execute and perform the method for designing and displaying the one or more virtual models of custom ear devices. According to an embodiment, a system for determining one or more virtual models of custom ear devices is further disclosed. The system may further be configured to display the determined one or more virtual models of custom ear devices together with associated meta data on a graphical user interface.

The present invention relates to a method for producing an individual device (10) for improving health conditions in a subject, comprising: scanning the geometry of the outer cars, producing a 3D-model of the individual device (10), and manufacturing the device (10) specifically adapted to the individual geometry of the outer cars of the subject, wherein the device (10) is specifically adapted to the individual geometry of the outer cars of the subject; to apply pressure to the external car in a way that the position of the pinna is changes; to exert pressure on acupressure points around to the external ear; and wherein the device (10) is flexible.

An in-ear hearing protection device is provided. The in-ear hearing protection device includes a microphone (410) configured to receive environmental sound. The in-ear hearing protection device also includes a processor (420) configured to perform an attenuation function on the received environmental sound to provide an attenuated sound. The in-ear hearing protection device also includes a speaker (440) configured to play the attenuated sound. The in-ear hearing protection device also includes a communication module (430) configured to receive second attenuation function details from a second in-ear protection device. The processor is configured to calculate first attenuation function details and compare the first attenuation function details to the second attenuation function details. The attenuation function performed is based on one of the first attenuation function details and the second attenuation function details.

Described herein is a computer-implemented method for constructing a customized ear device in a virtual environment in the form of a design through a network automation process utilizing trained nerves. The described computer-implemented method is configured to allow for altering output from a neural network to create a change to an automatically generated custom ear device design. Further, a system is described herein that utilizes a processor running the methods described herein to automatically generate a virtual-constructed custom ear device that may be modified to adjust for any incorrect output generated by a neural network.

An ear plug includes an elongated body sized and shaped to be partially inserted into an ear canal of a wearer, in which the body includes a negative Poisson's ratio (NPR) polymer foam material having a Poisson's ratio of between 0 and −1. A mouth guard includes an arc-shaped element sized to be received into a mouth of a wearer. The arc-shaped element has an outer wall, an inner wall, and a biting wall connecting the outer wall and the inner wall. The outer wall, the inner wall, and the biting wall define a channel that is sized to receive upper teeth of the wearer or lower teeth of the wearer. The outer wall, the biting wall, or both includes a negative Poisson's ratio (NPR) material having a Poisson's ratio between 0 and −1.

The present invention relates to a polyurethane foam forming system comprising (A) an aqueous polymer dispersion containing a polymer that has a glass transition temperature (Tg) in the range of -5 to 20 ℃, and is prepared from at least one monomer (A1) which contains hydroxyl monomer (A1-1), wherein the hydroxyl monomer (A1-1) is in an amount of 3-30 wt. %, based on the total weight of monomer (A1); wherein the dispersion contains non-ionic surfactant (A2), in an amount of 0.5-9 wt. % based on the total weight of monomers; and wherein the solid content of the aqueous polymer dispersion is 3-80 wt. %, based on the total weight of the aqueous polymer dispersion; (B) an isocyanate composition comprising isocyanate prepolymers; and (C) optionally additives and / or auxiliaries. The invention also relates to polyurethane foam prepared from the said polyurethane foam forming system, and use thereof.

The present disclosure relates to an ear protection system (200) for a medical imaging device. The ear protection system comprises an ear protection device (210) adapted to be fitted around or in an ear of a patient (P) to be imaged and comprising at least a first communication interface (211) and at least one sensor device (212) adapted to determine a measurement of noise passing through the ear protection device (210) towards the ear of the patient. The system (200) further comprises a controllable signal emitter (230) adapted to output a proxy signal representing an expected imaging device noise and to be measured by the at least one sensor device (212), and a patient assistance device (220) adapted to assist the patient in fitting the ear protection device (210) and comprising at least a second communication interface. During a preparation phase of the patient prior to an imaging phase using the medical imaging device, the ear protection device (210) and the patient assistance device (220) are communicatively connected to each other via the first and second communication interfaces and the patient assistance device (220) generates an assistance instruction for the patient depending on an evaluation of the proxy signal and the measurement of noise passing through the ear protection device (210) determined by the sensor device (212).

The invention discloses a self-adaptive snore counteracting method and device based on personalized voiceprint training and a sleep earplug special for a patient, belongs to the technical field of intelligent noise reduction and sleep assistance, and aims to solve the problem that sleep of the patient is disturbed by snoring in a ward. The method comprises a personalized training stage and a real-time recognition and counteracting stage, in the training stage, snore audios of snore patients in a ward are collected, acoustic features are extracted, and a personalized voiceprint model is established after principal component analysis and dimensionality reduction; in the real-time stage, target snore is accurately recognized after dimensionality reduction is conducted through the same method, self-adaptive filtering is started to generate anti-phase sound waves to achieve physical counteracting, and meanwhile key sound of a ward is reserved. The earplugs are made of medical-grade materials, are comfortable to wear, easy to clean and stable in endurance, accurately counteract snore without excessive noise reduction hidden dangers, improve the sleep quality of the patients, and are suitable for hospital wards, rehabilitation centers and other scenes.

The present disclosure provides communication systems and devices for use in noise environments, such as during magnetic resonance imaging (MRI). In some embodiments, a communication headrest is provided that consists of a headrest that supports a patients' head, an optional bone conduction microphone, and one or more vibration actuators. The headset makes contact with noise-isolating earplugs worn by the subject such that vibrations generated by the vibration actuators are transferred through the earplug, via acoustic conduction, to enable the patient to hear audio content while the earplugs provide passive noise protection by occluding the ear canal. In other embodiments, active earplug devices are provided in which an acoustic transducer is contacted and supported by a noise isolating earplug, such that when the earplug is inserted into the ear canal, the acoustic transducer is brought into acoustic conductive communication with tissue surrounding the ear canal, facilitating acoustic communication through bone conduction.

An enhanced earplug device for noise suppression and entertainment lighting comprises a tubular housing with a removable tip portion for ear canal insertion and a visible light element. The device incorporates a quartz acoustic filter for high-fidelity sound preservation while reducing volume, and a vibration sensor detecting musical beats in the 20-250 Hz range for music-reactive lighting patterns. Bluetooth connectivity enables inter-device synchronization and mobile app control. A tap sensor integrated into the housing exterior provides intuitive gesture-based mode switching between static color, music-reactive, and synchronized operational modes. The system includes RF capabilities for professional venue integration via centralized controllers with DMX / MIDI connectivity, enabling coordinated lighting displays across multiple users in entertainment environments.

The invention discloses an earplug capable of adjusting noise reduction performance. The earplug comprises an earplug body and a plug head used for being plugged into an ear canal. The earplug main body is provided with a mounting cavity and a sound outlet communicated with the mounting cavity, the plug head is mounted at the sound outlet, and a sound inlet gap is formed in the earplug main body and used for enabling sound in the environment to enter the mounting cavity; the earplug main body is provided with a noise reduction adjusting structure, and the noise reduction adjusting structure is used for partially or completely sealing a channel between the mounting cavity and the sound outlet; the noise reduction adjusting structure is provided with at least three gears, and under the first gear, a channel between the mounting cavity and the sound outlet is completely closed; in the second gear, the channel between the mounting cavity and the sound outlet is completely opened or partially opened; under other gears, a channel between the mounting cavity and the sound outlet is partially opened, and the opening degree is between the first gear and the second gear.

The invention belongs to the technical field of sound insulation earmuffs. In order to solve the problems that the examination time is prolonged, the examination efficiency is reduced and the noise reduction effect is poor due to noise reduction of an existing nuclear magnetic resonance noise reduction protection device, the invention provides a medical nuclear magnetic resonance noise reduction protection device which comprises an MRI examination bed, an examination pillow, two noise reduction enhancing earmuffs and an earmuff attaching assembly. And each enhanced noise reduction earmuff is connected with the examination pillow and the ear fitting assembly. The distance between the two noise reduction earmuffs can be automatically adjusted through the earmuff attaching assembly according to the head weights of different patients, manual adjustment of the distance between the noise reduction earmuffs is not needed, the examination efficiency is improved, the noise reduction earmuffs can be further attached to the ears of the patients in the use process, the ear canals can be blocked, and the examination efficiency is improved. Double noise reduction sealing of the ear and the ear canal is achieved, and the noise reduction effect of the whole device is improved.

The present invention provides a metal-detectable earplug and a preparation method therefor. The metal-detectable earplug comprises an earplug body primarily composed of polyurethane or thermoplastic rubber. Metal powder accounting for 0.5%-15% of the weight of the earplug body is uniformly distributed in the earplug body. By uniformly distributing the metal powder in the polyurethane or TPR, the metal-detectable earplug of the present invention can be detected by a metal detector without compromising the sound isolation efficacy and wearing comfort of the earplug.

In accordance with an embodiment, there is provided a method for designing one or more virtual models of a custom ear device in accordance with configuration requirements from user input and in accordance with component and / or material information associated with components and / or materials of a target product. The method may include a step for displaying one or more virtual models of the designed custom ear device along with metadata including information in compatibility of the designed one or more custom ear devices with configuration requirements and contained components. In accordance with an embodiment, a computer-readable storage medium or computer program is provided that includes commands that, when executed by a computer, cause the computer to execute and implement a method for designing and displaying one or more virtual models of a customized ear device. In accordance with an embodiment, a system for determining one or more virtual models of a customized ear device is also disclosed. The system may also be configured to display the determined one or more virtual models of the customized ear device on the graphical user interface along with the associated metadata.

The invention discloses a self-adaptive springback polyurethane sound insulation earplug with low oppression sense and belongs to the technical field of polyurethane, the polyurethane sound insulation earplug is of a bullet-shaped or bell-shaped structure and comprises a front section and a rear section from the top end to the bottom in the axial direction, the front section is made of self-adaptive springback antibacterial modified polyurethane, and the rear section is made of self-adaptive springback antibacterial modified polyurethane. The rear section is high-density hydrophobic modified polyurethane, and the front section layer adopts a disulfide bond-containing polyether polyol and resveratrol modified system, so that the synergism of antibiosis, antioxidation and self-adaptive resilience is realized; the rear section layer is made of high-density hydrophobic polyurethane, and supporting and stain-resistant functions are provided. The two layers form an integrated structure through in-situ chemical bonding, mild alkali treatment is performed for deprotection after molding, free phenolic hydroxyl groups of resveratrol are recovered, and lasting antibacterial activity is endowed.

An ear system having at least one main component which can be positioned in a person's ear canal, said main component having a core and an adaptable structure, the adaptable structure being arranged on the core in connection therewith and being configured for adaptation to a surface of the person's ear canal and / or eardrum in a location in which the main component can be properly positioned.

The utility model discloses a visual washbasin, which belongs to the technical field of washing and nursing, solves the problem that people cannot soak the face for a long time, and comprises a basin body and a neck protection pad arranged above the front side surface of the basin body, a round hole and a straight notch are formed in the inner wall of the bottom of the basin body in a penetrating manner, and the round hole is communicated with the straight notch. The center of the circular hole and the center of the straight notch are both located on the vertical center face, parallel to the side face where the neck protection pad is located, of the basin body, a breathing assembly is fixed to the circular hole through a bolt, a transparent plate is arranged at the straight notch, and an eye protection visible assembly is fixedly assembled on the inner wall, above the transparent plate, of the basin body. The water temperature regulation and control assembly is fixedly assembled on the outer side of the side face, opposite to the side face where the neck protection pad is located, of the tub body, the water temperature regulation and control assembly is connected with a temperature control panel, and the temperature control panel is fixedly assembled on the outer side of the side face, where the neck protection pad is located, of the tub body; and the earplug and nasal plug storage devices are fixed on the side surfaces of the left side and the right side of the basin body in pairs.

The present disclosure teaches a pair of safety goggles or glasses with elastic earplug attachments. Wherein, the pair of safety goggles or glasses may be a standard pair of safety goggles or glasses, with no modification or customization required. Wherein, the elastic earplug attachment may include an earplug, an elastic band, and a pocket. Wherein, the elastic band and the pocket may be made as one integrated piece and of an elastic material. Wherein, the size and shape of the pocket may match those of an end of temples of the pair of safety goggles or glasses. Wherein, a user may attach the elastic earplug attachment to the end by encasing the end with the pocket, and detach the elastic earplug attachment from the end by uncovering the end from the pocket. Friction between an inner surface of the pocket and the end may hold the earplug attachment in place.

The present disclosure relates to a hearing protection device (10, 10′, 10″) with an indication unit (40a, 40b) and a detection unit (30, 30′, 30″) to send a first detection signal, to assign a distance value based on a second detection signal of an external device (50, 50′) representing the physical distance to the external device (50, 50′) and to control the indication unit (40a, 40b) to provide an indication to the user (100) if the assigned distance value is at or below a predetermined threshold distance value. Thus, a collision may easily and reliably be prevented by providing an indication to the user (100), so that the risk of missing relevant sound of a moving person or object is overcome. A collision warning system comprising such a hearing protection device (10, 10′, 10″) and an external device is also provided. Furthermore, a method of retrofitting a hearing protection device (10′″) with such a detection unit (30, 30′, 30″) is provided.

The invention belongs to the technical field of medical equipment, and particularly relates to a medical double-layer structure type earplug which comprises a first double-layer earplug body, a second double-layer earplug body, a third double-layer earplug body and a developing silica gel rod, and the first double-layer earplug body, the second double-layer earplug body and the third double-layer earplug body are connected through the developing silica gel rod. The first double-layer earplug, the second double-layer earplug and the third double-layer earplug are each composed of an outer-layer umbrella cover and an inner-layer umbrella core, the outer-layer umbrella covers are made of medical silica gel, and the inner-layer umbrella cores are made of medical polymer hydrogel materials. Through the double-layer structure that the outer-layer umbrella cover is physically blocked and the medical polymer hydrogel of the inner-layer umbrella core is actively sealed when meeting liquid, and the three umbrella-shaped earplugs which are longitudinally arranged, double protection inside and outside the ear canal is achieved, external liquid is effectively prevented from invading, and residual disinfectant in the ear canal is absorbed; meanwhile, by means of a developing silica gel rod with a built-in developing line and an external developing pull line, the earplug can be stably connected during an operation, and the taking-out condition can be confirmed and taken out quickly and completely through an image.

A noise-reduction and sound-insulation earplug for being placed in the ear canal to isolate external sound. The earplug comprises: a housing (10), provided with a ventilation chamber (11) therein and an interface (20) in communication with the ventilation chamber (11); an ear cap (30), disposed at the interface (20) and provided with a channel (31), wherein, when the noise-reduction and sound-insulation earplug is in a wearing state, the ventilation chamber (11) is in communication with the ear canal sequentially via the interface (20) and the channel (31); and a noise-reduction enhancement member, disposed in the ventilation chamber (11) and / or the interface (20) and comprising a zeolite material. The noise-reduction and sound-insulation earplug can solve the problem of existing sound-insulation earplugs not being able to provide simultaneously a noise reduction effect and wearing comfort.

The utility model relates to the technical field of protective appliance especially is concerned on a kind of noise reduction goggles, including mirror frame and temple, the both ends of mirror frame are hinged respectively with temple, mirror frame is equipped with goggles lens, temple is equipped with noise reduction pendant, noise reduction pendant is equipped with adjusting mechanism, cotton thread and noise reduction earplug, one end of cotton thread is connected in adjusting mechanism, its other end is connected in noise reduction earplug, adjusting mechanism is installed in temple, and the length of cotton thread is adjusted, to release or retract noise reduction earplug. From the above, the efficient integration of the goggles and the noise reduction earplug is achieved, providing one-key retracting and automatic indexing function, significantly improving user experience and operation convenience, while ensuring the stability and safety of the equipment, suitable for a variety of high-noise scenes, meeting the user's needs in protecting eyes and hearing, also improving the practicability and aesthetics of the product.

The utility model discloses a balloon earplug which comprises an earplug air bag, an earplug body, a catheter, an air bag and a one-way valve. A closed earplug air bag is arranged on the earplug body and connected with an air outlet of the catheter, a one-way valve used for one-way air inlet is arranged on an air inlet of the air bag, and an air outlet of the air bag is connected with an air inlet of the catheter. According to the utility model, the earplug air bag and the air bag which are communicated with each other are arranged, and the air inlet amount in the earplug air bag can be manually controlled by extruding or loosening the air bag, so that the fitness between the earplug air bag and ear canals with different sizes is controlled; the auditory meatus can be suitable for patients with auditory meatus of different sizes.

An adjustable earplug is provided, comprising an outer ear portion and a plug to be fitted into the ear canal of the ear, the outer ear portion having at least one acoustic inlet, the plug having a passageway and an acoustic outlet, an acoustic mesh being provided in the passageway, the outer ear portion being adjustable between at least two adjustment positions, the at least two adjustment positions being selected from at least three adjustment positions, wherein: in the first adjustment position, the at least one acoustic inlet is in acoustic communication with the passageway via a first acoustic tube; in the second adjustment position, the at least one acoustic inlet or the second acoustic inlet is in acoustic communication with the passageway via a second acoustic tube and a membrane; and in the third adjustment position, the passageway is at least substantially closed.

The invention provides a method for manufacturing a polymer product, comprising the steps of: forming one or more intermediate polymer products from an elastomeric polymer; one or more intermediate polymer products are barreled with an abrasive in the presence of a liquid.