1287 results about "Human skin" patented technology

The invention discloses a closed-loop noninvasive spinal cord electrical stimulation regulation and control method and system based on motion data, and the system is provided with a flexible electrode array patch which is attached to the skin surface of a to-be-tested human body; the sensing module is used for collecting electromyographic signals or acceleration signals of a user; the signals are processed, and characteristic values related to actions and motions are extracted; the closed-loop feedback module compares the characteristic value with a model set characteristic / threshold value, and judges whether to start stimulation site and stimulation parameter adjustment or not; automatically selecting an optimal electrode unit and a corresponding stimulation parameter based on a judgment result; the dynamic regulation and control module controls the optimal electrode unit to output stimulation current, and regulates the activity of corresponding spinal cord neurons; and continuously performing closed-loop adjustment on the electrode unit and the stimulation parameters according to the motion feedback data. According to the method and system, precise stimulation and closed-loop regulation and control based on the motion response of the patient are achieved, and the problems that stimulation target positioning depends on artificial experience, parameter adjustment is not timely, and individualized and closed-loop feedback capacity is lacked are solved.

The invention provides a mosquito detection and cooperative killing system and method.The mosquito detection and cooperative killing system comprises a bionic multi-mode sensor array and a dynamic feedback killing device, and the bionic multi-mode sensor array comprises an infrared sensing module used for simulating human skin radiation characteristics; the CO2 concentration gradient sensor is used for detecting the change of the concentration of carbon dioxide and activating the directional scanning of the infrared sensing module; the odor molecule release device is used for triggering a mosquito approaching behavior; the dynamic feedback killing device is used for starting the laser mosquito killing module and killing mosquitoes through infrared positioning coordinates. According to the technical scheme, the mosquito killing effect is improved.

A system for detecting an anomalous biologic event in a person includes a wearable device for monitoring skin surface sites of a person. The wearable device includes an electrode for contacting skin sites, an electronic stimulus source with a surface area to provide stimulus, and a sensor placed adjacent the skin sites to sense physiological data. A processor is coupled to the wearable device and is configured to: cause the stimulus source to generate a stimulus; excite the electrode to trigger monitoring the skin sites; cause operation of the sensor; receive bioelectrical data from each skin site; receive physiological data from the sensor; continuously compute a difference in the received bioelectrical data for a duration; compute a difference in the received physiological data at time intervals; and generate, based on the computation, an assessment including a likelihood of occurrence of the anomalous biologic event.

The invention discloses a respiration monitoring system based on a flexible strain sensor and a monitoring analysis method, and belongs to the technical field of sensors and respiration monitoring equipment. The respiration monitoring system comprises a flexible strain sensor, a connecting line, a data acquisition card and an upper computer; the flexible strain sensor is a band-aid type flexible strain sensor and can be directly adhered to the skin surface of a human body, and the deformation of muscles related to respiration is monitored and converted into the change of a resistance signal. And the flexible strain sensor is connected with the data acquisition card through a connecting line. And the data acquisition card is connected with the upper computer and is used for transmitting the acquired resistance signals to the upper computer. The quantitative breathing mode judgment standard is provided through dynamic measurement of the respiratory muscle group, and the defect that judgment is mainly conducted through naked eyes of doctors for a long time can be overcome; the relation between the respiratory muscle group deformation and the lung function parameters is associated, and the problem that the actual respiration condition of part of patients does not conform to the detection condition in conventional lung function detection can be solved.

The invention provides a recombinant humanized elastin with high biological activity as well as a preparation method and application thereof, and belongs to the technical field of genetic engineering and biological materials. 100% of the amino acid sequence of the elastin is derived from human elastin and is prepared by expression of genetically engineered bacteria; the protein has a typical beta-spiral hydrophobic structural domain and a lysine-rich hydrophilic structural domain, has a good bionic structure and functional characteristics, can significantly promote proliferation, adhesion and migration of human skin fibroblasts, also has excellent antioxidant, anti-wrinkle and anti-aging activities, and can be used for preparing a biomimetic protein. The hydrogel can be widely applied to the fields of skin repair dressings, injection implants, artificial skin, biomedical materials, functional skin care products and the like; in addition, the elastin is good in solubility, high in stability, mature in expression system and suitable for large-scale production.

The invention provides a traditional Chinese medicine fermentation extracting solution and a preparation method and application thereof, and relates to the technical field of traditional Chinese medicine cosmetics. A traditional Chinese medicine composition which is composed of sophora flower bud, clove, honeysuckle, citron, astragalus membranaceus, houttuynia cordata, turmeric, emblic leafflower fruit, rehmannia and roselle and has an anti-aging effect is reasonably combined, and the traditional Chinese medicine fermented extract is obtained after the traditional Chinese medicine composition is fermented for multiple times by utilizing compound probiotics. The traditional Chinese medicine fermentation extract has a strong free radical scavenging effect, has an obvious improvement effect on cell activity, can obviously inhibit matrix protease activity, can obviously improve MDA content in serum of an aging mouse model and indexes of SOD, CAT, GSH-Px activity and the like, and has obvious anti-oxidation and anti-aging effects. The traditional Chinese medicine fermentation extracting solution provided by the invention can be used for preparing anti-aging cosmetics or functional foods, is safe and non-irritant when being used for human skin, and has an obvious improvement effect on the elasticity, wrinkles and smoothness of the human skin.

The invention discloses a moisturizer prepared from a lysate extract produced by fermentation of bacillus subtilis. The hydroxydecyl ubiquinone is identified in Y-3FLE, and the yield of the hydroxydecyl ubiquinone is 0.45 mu g / g after the hydroxydecyl ubiquinone is cultured for 4 days, so that the quinone substances are identified in the Halophilic bacteria in the Yuncheng Salt Lake for the first time. The Y-3FLE is prepared by adopting absolute ethyl alcohol as a solvent, the oxidation resistance of the Y-3FLE is investigated through an in-vitro experiment, and a result shows that the Y-3FLE is relatively high in reducing capacity and relatively high in oxidation resistance. A human body closed patch test result shows that the Y-3FLE has no obvious irritation to human skin. The method is applied to the moisturizer, and human body efficacy evaluation is carried out through a multi-probe skin tester. Results show that the moisturizer added with 1% of Y-3FLE has multiple remarkable effects of moisturizing, repairing, nourishing and the like.

The invention discloses a lie detection system and method based on AC excitation multi-frequency skin electric signals, and belongs to the technical field of psychological and physiological detection and signal processing. According to the system, a multi-frequency AC excitation signal is applied to human skin, skin complex impedance is measured by adopting a four-electrode method, and the problems of electrode polarization and baseline drift of direct current excitation are solved. A high-dimensional feature vector is formed by extracting the amplitude, phase and differential ratio of multi-frequency impedance and Cole-Cole relaxation model parameters, and an individualized baseline is established. Feature changes are analyzed through a machine learning algorithm, and lie judgment is achieved. The method has the advantages of strong anti-interference capability, abundant information dimensions, high measurement accuracy and good safety.

Provided are methods and composition for treating skin barrier functions and associated disorders. Formulated compositions may be applied on human skin to maintain a desired skin surface pH over an extended period of time without irritating the skin. Maintaining the desired surface pH aids in treatment of eczema, in addition to other skin conditions.

The invention discloses a multifunctional printing and dyeing dye and application thereof in outdoor clothes, and belongs to the technical field of nylon printing and dyeing, the multifunctional printing and dyeing dye comprises 1-3% (o.w.f) of an acid dye, 1.5-3.5 g / L of a dyeing auxiliary agent, and 0.6-1 g / L of an auxiliary agent cross-linking agent; the dyeing auxiliary agent is a core-crosslinked star-shaped polymer prepared by an arm-first method; dyeing can be changed into color fixation by adjusting the pH value and the bath ratio of the dye bath without additionally preparing a color fixation solution, so that the additional water consumption required by color fixation is reduced; the adopted dyeing auxiliary is a core cross-linked star-shaped polymer prepared by an arm method, and the ultraviolet light absorber is coated in a core, so that the light stability and washability of the ultraviolet light absorber are improved, the mobility is reduced, and the problem of sensitive skin stimulation caused by long-term contact with human skin after the ultraviolet light absorber is migrated to the surface of the fabric is prevented.

1. Name of the design product: Phototherapy Beauty Instrument (HY-80R). 2. Use of the design product: For phototherapy and beauty treatment of human skin. 3. Design key points of the design product: Lies in the shape. 4. Picture or photo that best shows the design key points: Perspective view.

The invention discloses a double-structural-domain recombinant human fibronectin, the sequence of which is shown as SEQ ID NO.3, and the double-structural-domain recombinant human fibronectin is formed by fusing a collagen binding structural domain and a cell binding structural domain of human fibronectin. The invention also provides a recombinant expression vector containing the protein coding gene and a host cell. The protein is efficiently expressed through eukaryotic cells and engineering bacteria escherichia coli, and a fermentation and purification process suitable for an industrial scale is established in a matched manner. Functional experiments prove that compared with commercially available fibronectin products with a single structural domain, the double-structural domain recombinant human chemical fibronectin disclosed by the invention can remarkably promote proliferation, migration, adhesion and differentiation activity of human skin fibroblasts, and has wide application potential in the fields of skin repair, skincare and biomedical materials.

The invention provides a neutral electrode heat effect test method and system, and relates to the field of neutral electrode detection. The invention relates to a neutral electrode heat effect test method, which comprises the following steps of: attaching a neutral electrode to a contact unit of one or more of a plurality of test modules; the contact units are conducted with the corresponding direct connection units; determining at least part of the plurality of test modules as initial effective test modules; acquiring an attachment safety threshold value of the neutral electrode, and selecting at least part of the initial effective test modules as final effective test modules according to the attachment safety threshold value; the contact unit of the final effective test module is conducted with the corresponding human body skin impedance unit; and after the first current is continuously applied to the neutral electrode within the first time period, temperature rise temperature data of each final effective test module is obtained, and the heat effect data comprises the temperature rise temperature data.

Disclosed is a method of generating a relighted image based on an object image according to various embodiments of the present invention for realizing the problems described above. The method includes acquiring a source original image, acquiring image characteristic information based on the source original image, and generating the relighted image based on the source original image, the image characteristic information, and target lighting information, in which the relighted image is an image reflecting a realistic human skin tone, texture, and a shadow effect under the target lighting conditions, and is an image whose a lighting effect is changed compared to the source original image.

The invention discloses simulated skin simulating human body temperature and a humanoid robot thereof, and belongs to the technical field of robots. The simulation skin comprises an outer layer simulation material; the temperature control system is arranged under the outer-layer simulation material and divided into a plurality of independent temperature control areas, the temperature control system comprises a flexible heating element, a temperature sensor, a supporting substrate and a temperature control module, and the temperature control module is used for adjusting the power of the flexible heating element and achieving that the skin surface temperature is within a preset range; and the main control system communicates with the temperature control module and is used for transmitting the predefined scene to the temperature control module. The human body skin texture is simulated through the outer layer material, the temperature is dynamically adjusted in combination with the temperature control system, and the dynamic temperature sensing effect imitating the human body temperature is finally achieved.

Method for reconstructing ECG signals through imaging for arrhythmia detection and its detection system, wherein the method for reconstructing ECG signals through imaging for arrhythmia detection involves receiving images of the human skin, which contain color changes on the skin surface caused by heartbeats and heart rhythms. The method comprises performing noise reduction on these color changes and analyzing the color variations to extract a remote photoplethysmographic (rPPG) signal that corresponds to the heart rates and heart rhythms. Frequency domain analysis is conducted to identify the frequency features within the rPPG signal, and feature extraction is performed on these frequency characteristics to obtain a photoplethysmographic (PPG) signal. The PPG signal undergoes feature extraction to derive time domain features and frequency domain features, which are then fused to output a reconstructed ECG signal. Finally, the waveform characteristics of the reconstructed ECG signal are interpreted, allowing for the identification of classifications corresponding to arrhythmias based on these waveform features.

The invention provides an external application medicine for incontinent dermatitis and a preparation method thereof. The composition is prepared from active ingredients such as a radix sophorae flavescentis extract, calamine, vitamin E, ceramide, a herba portulacae extract, glycyrrhizic acid, chitosan and colloidal oat powder according to a specific proportion. Moisturizing matrixes such as sodium hyaluronate and glycerol and functional components such as tea tree essential oil are supplemented. And through a preparation process of matching high-speed shearing with ultrasonic dispersion, uniform dispersion and stability of each component are ensured. Experimental results show that the composition shows a remarkable synergistic effect in the aspects of anti-inflammation, antibiosis, skin barrier repair and the like, the comprehensive relieving and repairing effect of the composition is superior to that of a conventional drug control, and all the components and a special preparation process are necessary for achieving the optimal effect. The product has no irritation to human skin, is good in safety, can be prepared into various dosage forms such as cream, hydrogel or spray, and is suitable for nursing and repairing sensitive skin.

The invention relates to a preparation method, a product and application of a whitening and antioxidant litchi peel extract. The preparation method comprises the following steps: (1) mixing litchi peel powder with water, and carrying out ultrasonic extraction to obtain a litchi peel crude extract; (2) mixing the litchi peel crude extract with a compound enzyme, carrying out an enzymatic hydrolysis reaction, and carrying out enzyme deactivation treatment after the reaction to obtain an enzymatic hydrolysate; (3) performing cation exchange resin purification on the enzymatic hydrolysate to obtain a litchi pericarp extract; the compound enzyme in the step (2) comprises papain, bromelain and neutral protease. The litchi pericarp extract prepared by the invention has excellent antioxidant capacity and whitening effect, is safe and non-irritant, and is more beneficial to absorption by the human skin surface.

The invention relates to the technical field of biological polypeptides, in particular to cyclic pentapeptide-4, a preparation method thereof and a polypeptide cosmetic. The cyclic pentapeptide-4 has a chemical structural formula as shown in a formula I in the specification. Compared with the existing palmitoyl pentapeptide-4, the cyclopentapeptide-4 provided by the invention has good ability to penetrate through an epidermal barrier, so that the cyclopentapeptide-4 can penetrate into skin tissues more deeply, thereby significantly improving the anti-wrinkle and anti-aging ability of the skin. Meanwhile, the expression level of anti-aging genes in human skin fibroblasts can be remarkably improved. Therefore, the cyclic pentapeptide-4 disclosed by the invention can be used for preparing an anti-aging preparation so as to improve the expression level of an anti-aging gene in human skin fibroblasts and further relieve skin aging. # imgabs0 #

The invention discloses intelligent tongue muscle pressure detection equipment, and relates to the technical field of tongue muscle pressure detection. Comprising an array type sensing assembly, and the array type sensing assembly comprises an array type Hall sensor, a middle elastic body and a magnetic film which are sequentially connected from bottom to top; the array type Hall sensor comprises a substrate layer, a plurality of graphene active parts are uniformly arranged on the substrate layer in an array mode, and metal electrodes are arranged on the peripheral sides of the graphene active parts. The device further comprises a handheld assembly, and the handheld assembly is connected with the array type sensing assembly. The array type sensing assembly is integrally soft and can fully combine with the deformation characteristic of human skin, and the multiple graphene active parts are arranged in an array and matched with the vertical periodic magnetization magnetic film, so that the force resolution, the sensitivity, the linearity, the hysteresis and the like are greatly improved; and a basis is provided for subsequent clinical experiments such as tongue muscle pressure test and marketization application.

The invention discloses a multi-mode tactile sensor based on cross-shaped array design, the sensor is provided with five sensing units which are arranged in a cross-shaped array form, and each sensing unit is composed of a stress loading layer, a piezoelectric sensing layer, an isolation layer, a piezoresistive sensing layer and an electrode layer. The area of a perceptible region of the sensor is increased due to array type distribution, and the spatial resolution of the sensor is improved. Wherein the piezoresistive sensing layer and the piezoelectric sensing layer respectively simulate the characteristics that an SA receptor in human skin senses low-frequency pressure and an FA receptor senses dynamic vibration. The piezoresistive sensing unit and the electrode unit form a planar resistance structure, so that the sensor is sensitive to the direction of a loading force, and the design can be used for representing the magnitude and direction of the loading force, thereby realizing three-dimensional static force detection. The piezoelectric sensing unit utilizes the direct piezoelectric effect of a PVDF piezoelectric film to realize tiny vibration detection and is used for representing high-frequency vibration when the piezoelectric sensing unit is in contact with an object.

The utility model discloses a sound production unit and a head-mounted sound production device, the sound production unit comprises a housing assembly, and a bone conduction sound production device and an air conduction sound production device which are arranged in the housing assembly, the housing assembly comprises a contact surface which is used for contacting with human skin and a sound outlet hole through which sound of the air conduction sound production device is sent out; the sounding unit is provided with a middle surface perpendicular to the width direction of the sounding unit, and the gravity center of the bone conduction sounding device and the gravity center of the air conduction sounding device are located on the two sides of the middle surface respectively; the distance D16 between the gravity center of the bone conduction sound production device and the middle surface is smaller than the distance D17 between the gravity center of the air conduction sound production device and the middle surface, so that the vibration sense generated when the bone conduction sound production device works is closer to the middle area of the surface cover, and the use comfort is better.

The present disclosure provides a composition containing a purified population of plant-derived exosome-like nanoparticles isolated from tissue of a vascular plant, wherein the exosome-like nanoparticles comprise a tuned cargo comprising a protein signature and an miRNA signature, wherein the tuned cargo of the plant-derived exosome-like nanoparticles is a result of exposure of the plant to combinations of abiotic stress conditions that cause the plant to modulate its signaling pathways and metabolism to ensure its survival in a challenging environment. The tuned cargo of the plant-derived exosome-like nanoparticles can modulate bioactivities of mammalian cells directly or indirectly. The present disclosure also provides a method for improving appearance of human skin and human hair health, including eyelashes and eyebrows, comprising applying a composition comprising the abiotically stressed plant-derived exosome-like nanoparticles containing the tuned cargo and a carrier; and applying the composition topically.

The invention relates to the technical field of daily chemicals, in particular to a collagen composition suitable for sensitive skin and having multiple effects and application of the collagen composition. The composition comprises the following components: a haw fruit extract, a ginseng root extract, an artemisia annua extract and a centella asiatica extract. The collagen face cream with multiple effects on sensitive skin provided by the invention is mild and skin-friendly, is suitable for people with sensitive skin, selects a low-irritation emulsification system and high-skin-friendly grease, does not contain alcohol, sensitization essence and high-sensitization preservative, has the pH value regulated between 5.2 and 6.0, is close to the slightly acidic environment of human skin, and has the advantages of mild skin-friendly effect, mild skin-friendly effect and good skin-care effect. The irritation and burden on sensitive skin are effectively reduced.

The invention provides a self-adaptive assistance system and method for adjusting an exoskeleton based on a sweat sensor, and the system comprises a sweat amount detection chip which is embedded into the surface of wearable flexible clothes, is in contact with the skin of a human body, and is used for converting the detected sweat amount into an electric signal, and further converting the electric signal into a control signal; the knapsack comprises a control system, a driving system and a sensing system, and is worn on the trunk of the human body after being connected with the wearable flexible clothing; the power assisting device comprises a power assisting boot which is worn on the foot of the human body and connected with the driving system through a Bowden cable; and the specific output value of the power assisting device is controlled through the control signal. Dynamic matching of exercise intensity and mechanical assistance is achieved through an amplification control mechanism driven by sweat amount, gait phase compensation fed back by plantar pressure is combined, the energy utilization efficiency is improved by 20% or above, the problem that a traditional exoskeleton physiological-physical interface is disjointed is effectively solved, and the energy utilization rate is increased by 20% or above. The assisting synchronism is improved, and meanwhile the wearing comfort degree and the motion freedom degree are remarkably improved.

The utility model provides a neuromuscular low-frequency electrical stimulator, which relates to the field of low-frequency electrical stimulators, and comprises a miniature low-frequency electrical stimulator, the outer surface of the miniature low-frequency electrical stimulator is fixedly connected with a connecting piece, the output end of the miniature low-frequency electrical stimulator is fixedly provided with a movable block, and the bottom surface of the movable block is provided with an electrode plate. The electrode plate is made of a soft material, the miniature low-frequency electrical stimulator is electrically connected with the electrode plate, and an adhesive layer is arranged on the bottom surface of the electrode plate and is used for adhering to the skin of a human body. According to the neuromuscular low-frequency electrical stimulator, the arranged electrode plate is made of a soft material, the bottom surface of the electrode plate is provided with the adhesive layer, the adhesive layer can be adhered to the skin of a human body, and the miniature low-frequency electrical stimulator acts specific low-frequency impulse current on the human body through the electrode plate, so that the purpose of muscle contraction is achieved; the miniature low-frequency electrical stimulator can be fixed to legs and arms of a human body for use, is small in size, and can meet the requirement of temporary use.

The embodiment of the invention discloses a bionic skin, which comprises a uniform humidity layer, a third detection layer and a heating layer which are stacked, the third detection layer is arranged between the uniform humidity layer and the heating layer, the third detection layer is used for detecting the surface pressure of the bionic skin, the uniform humidity layer is used for uniformizing the surface humidity of the bionic skin, and the heating layer is used for heating the heating layer. The heating layer is used for adjusting the actual temperature value of the surface of the bionic skin, and the heating layer can deform. Therefore, through cooperation of the third detection layer, the humidity equalizing layer and the heating layer, multiple functions of pressure sensing, humidity adjusting and temperature adjusting can be achieved, and therefore the complex and diversified functions of human skin can be simulated. Compared with a single simulation function, the bionic skin provided by the invention can realize simulation of multiple functions, so that the real state of the human skin after the wearable product is worn can be better simulated, the wearable product can be improved, and the use comfort of a user of the wearable product can be improved.

The utility model provides a massage component, massage machine core structure and massager, massage component includes the shoulder and neck massage arm that is used for massaging human body shoulder and neck, the lower end of shoulder and neck massage arm is equipped with the annular embedding surface that joins with the eccentric wheel set, massage component also includes the deflection restraint rod, the eccentric wheel set is equipped with the annular embedding surface that joins with the eccentric wheel set, and the deflection restraint rod is equipped with the annular embedding surface. The deflection restraining rods are connected to the lower ends of the shoulder and neck massage arms, the deflection restraining rods are obliquely arranged at the lower ends of the shoulder and neck massage arms, restraining sliding grooves matched with the inclination directions of the deflection restraining rods are formed in the inner wall of the massager bottom shell, and the deflection restraining rods are slidably connected to the restraining sliding grooves. Compared with a vertically-arranged deflection restraining rod, the obliquely-arranged deflection restraining rod can integrally reduce the height of the massage arm set, and therefore the overall thickness of the machine core is reduced. The rotatable massage head is stressed to roll during massage, so that the bad experience that the massage head is directly in sliding friction with the skin of a human body without rolling and the skin is rubbed and painful is avoided, and the service life of the massage head can be prolonged.

Some embodiments are directed to a skin treatment system that contains a laser generating device. A hydrogel patch may include a region, at a first side of the hydrogel patch, to be in contact with a person's skin. The region may contain an adsorbing medium (e.g., carbon black or any other substance that would have a similar effect) that, when receiving a laser beam from the laser generating device, results in Extracorporeal Shock Wave Therapy (“ESWT”) being applied to the person's skin to treat a dermatologic condition such as an epidermal or dermal tissue structure irregularity, cellulite, a stretch mark, a scar, scar-tissue, a hypertrophic scar, an acne scar, etc.

The invention is applicable to the field of intelligent wearable products, and provides intelligent glasses with a wearing detection function and a wearing detection method.The intelligent glasses comprise a glasses frame and two glasses legs, a circuit board is arranged in at least one glasses leg, and at least one processor and at least one sensor connected with the processor are installed on the circuit board; the tail end of the at least one glasses leg is fixedly connected with a metal tail pin, and the metal tail pin is electrically connected to the sensor through an FPC (Flexible Printed Circuit); the sensor is used for collecting capacitance parameters of equivalent capacitance formed by the metal tail needle and the skin of a user; and the processor is used for judging whether the intelligent glasses are in a wearing state or not according to the capacitance parameters and controlling the working state of the intelligent glasses according to a judgment result. The whole detection process does not need user intervention, automatic judgment is achieved through electric signal changes generated by physical contact of the metal tail needle and the human skin, and then the working state of the intelligent glasses is automatically controlled according to the judgment result.