1558 results about "Skin surfaces" patented technology

A system that can deliver haptic feedback by applying an electrical stimulation to a first area of a user's body to induce a second area of the user's body to experience a level of natural sensation in response to an action occurring in a simulated remote environment and an intensity of the action is described. The system includes a controller to set parameters for the electrical stimulation based on the action occurring in the simulated remote environment and an intensity of the action. The system also includes a signal generator to generate the electrical stimulation comprising the parameters. The system also includes a skin surface electrode placed at a first location on a user's body remote from a second location on the user's body to deliver the electrical stimulation with the parameters to a nerve at or near the first area of the user's body.

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.

Provided are: a knitted fabric having excellent skin smoothness, heat retaining properties, and washability and wearing properties; and an excellent apparel comprising the knitted fabric. The present invention relates to a knitted fabric, and more specifically, to a knitted fabric having a single-side knitted structure in which courses of fibers (1) comprising short fiber yarns and courses of fibers (2) comprising long fibers are alternately and repeatedly present in the warp direction, the knitted fabric being characterized in that the ratio (D2 / D1) of the total fineness D2 of the fibers (2) to the total fineness D1 of the fibers (1) is in the range of 0.50-0.90, and the ratio (D2 / D1) of the total fineness D2 of the fibers (2) to the total fineness D1 of the fibers (1) is in the range of 0.50-0.90. The ratio (L2 / L1) of the filament length L2 of the fibers 2 to the filament length L1 of the fibers 1 per 100 wales is greater than 1.00.

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.

The invention relates to the technical field of intelligent medical assistance, in particular to a skin disease treatment electrode positioning system based on potential distribution. The system comprises a potential gradient severe region identification module, a lesion minimum surrounding region identification module, a similar potential region grouping module, an optimal electrode position prediction module, an electric field distribution calculation module, a sweat gland dense region identification module, an optimal electrode placement point screening module, an enhanced feature generation module and a final electrode position determination module. By fusing multi-source information such as skin surface potential distribution, lesion geometric characteristics, tissue conductivity, historical treatment data and the like, systematic optimization is performed on electrode positioning in skin disease treatment, the effectiveness of electrode stimulation is maximized on the premise of ensuring the treatment safety, and the treatment efficiency is improved. An accurate electrode placement scheme is provided for treatment of different types of skin diseases, and the method is suitable for accurate determination of the electrode placement position in electrical stimulation treatment.

The invention discloses an aircraft skin assembly control method and system, and the method comprises the following steps: segmenting a skin and a frame from an image based on a skin surface image through employing a deep learning segmentation model; registering and splicing the images captured by different spectrum cameras to obtain a complete skin image; based on the complete skin image, using a region expansion method to identify and track a skin surface deformation region; preprocessing the original skin model through a finite element method to obtain a corresponding grid model; estimating stress distribution in the current assembly state based on the force haptic image and a stress transfer model; and based on the deformation area and the stress distribution, generating an assembly path and a pressure adjustment instruction by adopting a self-adaptive control strategy, and controlling the assembly process. Through fusion of a multispectral vision technology and a high-precision force tactile perception technology and combination of a deep learning algorithm and a nonlinear mechanical model, accurate identification of skin surface features and accurate positioning of a deformation area are realized, and the assembly control precision is improved.

The invention relates to a feeding intolerance burst risk early warning method and device based on multi-modal dynamic monitoring. The method comprises the steps that a gastrointestinal tract peristaltic wave image sequence under the abdominal skin surface of a patient is collected; collecting borborygmus data; collecting physical sign physiological data of the patient; monitoring behavior and posture data of the patient in real time; tracking the infinitesimal displacement and deformation of the gastrointestinal wall in the gastrointestinal tract peristaltic wave image sequence, and extracting and quantifying the speed, direction and wave crest and trough change rate of the peristaltic wave and the regularity index of the peristaltic wave; calculating a physiological deviation degree between the fusion feature at the current moment and an expected normal mode generated by the physiological feature baseline model of the patient; and inputting the physiological deviation degree, the change rate of the physiological deviation degree in the time dimension and the accumulated deviation duration into a conditional variation risk assessment model, and outputting a potential spatial distance. Through the non-invasive and highly quantified feeding intolerance risk model, the early recognition capability and clinical intervention efficiency of feeding intolerance are remarkably improved.

The invention relates to the technical field of skin lesion area reconstruction, in particular to a skin lesion area reconstruction system based on multi-modal image fusion. The system comprises a deep multi-scale feature extraction module, a skin thermal anomaly feature extraction module, a hemodynamic feature extraction module, a depth and boundary feature extraction module, a skin surface feature extraction module, a fluorescence intensity distribution and morphological feature extraction module, a first feature fusion module, a second feature fusion module and a lesion area reconstruction module. According to the method, appearance, heat, blood flow, structure and surface features are extracted from the multi-modal data, then the multi-modal image data are integrated, finally, comprehensive representation and reconstruction of skin lesion appearance, function and structure information are achieved according to the synergistic effect of the multi-modal information, and the accuracy and clinical reference value of lesion area reconstruction are effectively improved.

A physiological signal monitoring device includes a base, a biosensor mounted to the base, a transmitter, and a sealing unit. The base is adapted to be mounted to a skin surface of a host. The biosensor includes a mounting seat and a sensing member that is mounted to the mounting seat. The sensing member is adapted to be partially inserted underneath the skin surface of the host for measuring an analyte of the host and to send a corresponding physiological signal. The transmitter is for receiving and transmitting the physiological signal, and has a bottom portion. The transmitter covers the base while the bottom portion faces the base. The sensing member is coupled to the transmitter. The sealing unit is used to seal paths through which a liquid possibly penetrates into an interior of the physiological signal monitoring device so as to avoid damage of the device.

The invention provides a skin texture depth measuring method and system based on image analysis, electronic equipment and a storage medium, and relates to the technical field of image analysis, and the method comprises the steps: collecting a visible light image, a near-infrared image and a cross polarized light image of the skin surface of a target object, and forming a multi-modal image; performing spatial alignment on the multi-modal image, and performing fusion processing on the multi-modal image after spatial alignment to obtain an initial composite feature map including epidermal texture, subcutaneous blood vessel and grease distribution; on the basis of a generative adversarial network, super-resolution reconstruction is carried out on features of pixels of which the quality values are lower than a preset quality threshold in the initial composite feature map, and a target composite feature map is obtained; the features in the target composite feature map are screened through the front-stage screening unit of the cascade classifier, and three-dimensional analysis is performed through the rear-stage analysis unit of the cascade classifier based on the screened features, so that the skin texture depth is measured, and the accuracy and comprehensiveness of skin texture depth measurement are improved.

The invention discloses a method for promoting skin repair by assisting exosome transdermal delivery through a sponge spicule. The method comprises the following steps: pretreating skin by using a composition containing the sponge spicule; mixing the exosome vesicle freeze-dried powder with a redissolving medium at 5-40 DEG C, and then applying the mixture to the skin; the exosome vesicle freeze-dried powder is obtained by performing membrane fusion on exosome and liposome to obtain exosome vesicles and then performing freeze drying. According to the invention, the skin is pretreated by using the composition containing the sponge bone needle, the skin barrier resistance is reduced, the skin repair response is stimulated, and then the exosome vesicles are re-dissolved and then applied to the skin surface, so that the transdermal utilization rate of exosome contents is promoted. The exosome vesicle provided by the invention has good in-vitro storage stability, and after the exosome vesicle is stored at 0-5 DEG C for 180 days, the activity retention rate after redissolution is 80% or above.

The preparation method comprises the following steps: mixing and stirring polyvinyl alcohol and deionized water, cooling, adding glycerol and hyaluronic acid, stirring, adjusting the pH value to be acidic, cooling, adding a modified additive, stirring, injecting into a mold, repeatedly freezing and thawing, and carrying out vacuum drying to obtain the anti-wrinkle and anti-aging polymer hydrogel mask. In the using process of the hydrogel mask, when the internal modified additive makes contact with the skin surface, due to the weak acidity of the skin, an iron organic frame structure on the surface of the modified additive is attacked by hydrogen ions, coordinate bonds of the modified additive are damaged, and a skeleton is partially or completely dissociated; the active substances can be slowly released under the action of the modified additive, advanced oxidation caused by too fast release of the active substances is prevented, and the modified additive also contains a nano silicon dioxide structure, so that the mask has certain air permeability, the strength, elasticity and toughness of the mask are improved, and the mask cloth is prevented from being easily torn.

According to the swinging shaving device with the locking structure, the swinging connecting piece is arranged between the tool bit assembly and the machine body, the swinging function of the tool bit assembly on the machine body is achieved, the tool bit assembly can be better attached to different skin surface contours, and the shaving effect and comfort are improved. When a part with an uneven skin surface is encountered, the tool bit assembly can flexibly swing under the support of the swing connecting piece, so that the tool bit is always in close contact with the skin, and the hair is shaved cleanly. Due to the fact that the tool bit assembly is rotationally connected with the swing connecting piece, the flexibility of the tool bit is further enhanced, and the tool bit can adapt to different shaving angles.

The invention discloses a hyaluronic acid moisturizing and repairing composition and a preparation method thereof, belongs to the field of cosmetics, and specially meets the requirement of dry skin. The composition consists of a core moisturizing component, an auxiliary functional component and the balance of purified water, the core moisturizing component comprises hyaluronic acid components with oligomeric, low, medium and high molecular weights and sodium hyaluronate cross-linked polymer microbeads with gradient particle sizes; the auxiliary functional components comprise bionic liposome, a nonionic emulsifier, polyol, a natural penetration enhancer, a retardant and a preservative. The gradient microbeads and HA with different molecular weights achieve all-around water replenishing and locking from the surface layer to the deep layer of the skin, the bionic lipidosome promotes component permeation and repairs the skin barrier, the composition is good in stability, mild and free of irritation, the problems that the deep layer of the dry skin is dry, water is continuously deficient, and the barrier is fragile can be effectively solved, and the composition has wide cosmetic application prospects.

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.

Apparatuses for use in applying TTFields are disclosed. An apparatus comprises an electrode subassembly including at least one electrode element having a skin-facing side and a skin-facing surface. The apparatus further includes a skin contact subassembly comprising a skin contact conductive adhesive or gel configured to contact skin of a subject. One of the electrode subassembly or the skin contact subassembly comprises an electrically conductive polymer layer, and the other of the electrode subassembly or the skin contact subassembly comprises a second conductive adhesive or gel. The electrically conductive polymer layer is disposed against, and removably coupled to, the second conductive adhesive or gel, thereby removably coupling the electrode subassembly to the skin contact subassembly so that the skin contact conductive adhesive or gel is electrically coupled to the at least one electrode element.

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 integrated conductive surface EMS beauty instrument comprises an electric control board, an EMS assembly and a conductive part, the EMS assembly and the conductive part are electrically connected with the electric control board, the conductive part comprises a crystal with a contact surface and a conductive film arranged on the contact surface of the crystal, and the conductive part is arranged at the contact end, making contact with a human body, of the beauty instrument. And the electric control board controls the conductive piece to generate EMS current to act on a human body. The conductive piece formed by combining the crystal and the conductive film is adopted to achieve an integrated conductive face, hardware or plastic electroplating electrode points do not need to be manufactured independently, the conductive piece serves as the contact end of the beauty instrument and the skin, the surface of the conductive piece is free of electrode point steps and gaps, the conductive piece can be well attached when making contact with the surface of the skin, and the hand scraping feeling is avoided; the body feeling of the surface is more comfortable; due to the adoption of the integrated contact end without the electrode point gap, no dirt is generated when gel is smeared on the surface of the contact end, the waterproof and anti-gel sealing effects are better, and the cleaning is more convenient.

The present invention relates to the technical field of temperature measurement and control, and in particular to a skin temperature measurement and control method for a wearable smart ring. The method comprises the following steps: collecting a temperature change signal of the skin surface of a user in real time by means of a skin temperature sensor integrated inside a wearable smart ring to obtain a real-time skin surface temperature change signal; transmitting the real-time skin surface temperature change signal to an internal processing unit of the wearable smart ring, and performing dynamic temperature calibration and compensation on the real-time skin surface temperature change signal by means of the internal processing unit to obtain real-time skin surface temperature calibration data; and using a temperature regulation and control device of the wearable smart ring to perform temperature anomaly control feedback on the real-time skin surface temperature calibration data to generate a skin surface temperature anomaly control feedback response signal, so as to execute a corresponding skin surface temperature anomaly control and regulation operation. The present invention can realize high-precision, real-time and personalized skin temperature monitoring and regulation.

Some embodiments provide a method including applying high-intensity focused ultrasound energy to a skin treatment area with simultaneous movement of the transducer body across the skin treatment area to form a pattern of treatment lines in tissue at a first depth below the surface of the skin. For example, the pattern of treatment lines may be formed by the movement of the transducer body during one or more treatment cycles. A preferred pattern of treatment lines includes treatment lines that intersect. Furthermore, the method may further include applying the high-intensity focused ultrasound energy to the skin treatment area with simultaneous movement of the transducer body across the skin treatment area to form a second pattern of treatment lines in tissue at a second depth below the surface of the skin and a third pattern of treatment lines in tissue at a third depth below the surface of the skin.

Systems and methods utilizing RF energy to treat a patient's skin (e.g., dermis and hypodermis) or other target tissue including at a depth below a tissue surface (e.g., skin surface, mucosal surfaces of the vagina or esophagus) are provided herein. In various aspects, the methods and systems described herein can provide a RF-based treatment in which the deposition of RF energy can be selectively controlled to help ensure heating uniformity during one or more of body sculpting treatment (lipolysis), skin tightening treatment (laxity improvement), cellulite treatment, vaginal laxity or rejuvenation treatment, urinary incontinence treatment, fecal incontinence treatment, all by way of non-limiting examples. In various aspects, the systems can comprise one or more sources of RF energy (e.g., a RF generator), a treatment applicator comprising one or more electrode arrays configured to be disposed in contact with a tissue surface, and a return electrode (e.g., a neutral pad) to the tissue surface.

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 invention provides a target tracking compensation control method and system for a surgical robot in a dynamic breathing environment, and the method comprises the steps: collecting an ultrasonic image of a patient in real time, and carrying out the self-adaptive admittance control algorithm based on force feedback; force control output is adjusted in a self-adaptive mode according to the contact force between the ultrasonic probe and the skin surface and the change of the displacement and speed state of the ultrasonic probe, rigidity parameters of an admittance control model are adjusted in real time, constant contact force between the ultrasonic probe and the skin surface is kept, and it is ensured that the ultrasonic probe and the body surface keep stable contact force and meanwhile adapt to the dynamic change of the body surface; a focus is continuously identified and positioned by utilizing a real-time ultrasonic image through template matching and a dynamic template updating algorithm, real-time position information of an internal focus target spot is obtained and serves as a target pose, the motion compensation amount of a puncture mechanical arm is calculated, the track of a puncture needle point and the motion of the target spot are kept synchronous, and the target pose is accurately positioned. And target tracking and compensation control in a dynamic breathing environment are realized. Target tracking compensation control of the surgical robot can be carried out.

The invention discloses lactobacillus pentosus capable of converting various substances of dendrobium officinale to generate rich active small molecules and improving skin health, and belongs to the technical field of microorganisms. The lactobacillus pentosus (Lactobacillus pentosus) CCFM1482 obtained by screening can be used for producing various active substances by fermenting dendrobium officinale and regulating and controlling the synthesis of skin collagen factors, such as HSF cells (human skin fibroblasts), MDA (malondialdehyde), Nrf2 (nuclear factor E2 related factor 2) and HaCaT cells (human keratinocytes). Therefore, the lactobacillus pentosus CCFM1482 fermented dendrobium officinale kimura ex migo fermentation liquor has a huge application prospect in the preparation of products for preventing or treating the skin quality, and the dendrobium officinale kimura ex migo fermentation liquor can be used for preparing the products for preventing or treating the skin quality.

The invention relates to the technical field of intelligent identification, and particularly discloses an extravasation early warning system and method in an injection process based on a sensor and intelligent identification. The system is provided with an individualized initial monitoring threshold determination module, an intelligent monitoring patch index analysis module, an injection pump linkage index analysis module, an in-injection-process extravasation risk analysis module, a multi-level alarm and linkage intervention response module and an injection process closed-loop tracking module. The problems that a traditional infusion pump block alarm is not sensitive and unclear to exosmosis detection, an existing exosmosis detection device is tedious in operation, difficult to detect early-stage exosmosis or prone to generating false alarms, mainly depends on manual observation of skin surface signs, is low in accuracy, has technical shortages and is poor in safety and the like are solved. And non-contact optical detection equipment is possibly interfered by skin pigments, ambient light and the like, so that the detection stability is poor.

The invention provides a physical manipulation apparatus that is engageable with a skin surface of a human or animal subject. The apparatus may include a skin-engageable pad configured to conform to the morphology of a physical manipulation member such as a digit of a human therapist or a stylus tip of a chiropractic adjustment instrument. The skin-engageable pad may include a friction-inducing component in the form of a biomimetic dry adhesive. The apparatus may include a digit cover (110, 120, 130) configured at least partially to cover a human digit. Instead, the apparatus may be configured as a skin patch having two release liners superimposed, respectively, on opposite sides of the skin-engageable pad. The skin patch may include indicia arranged to indicate a required orientation of the skin patch relative to a targeted anatomical feature such as a spinal segment, or a required direction of movement of the manipulation member.

The utility model relates to the technical field of medical diagnostic tools, in particular to a medical stethoscope, a stethoscope head is provided with a stethoscope end face, the stethoscope end face is used for abutting against and being attached to the skin surface of a human body, a marking inner shell is in sliding fit with the outer side wall of the stethoscope head, and the bottom end of the marking inner shell is coated with medical dye. The marking inner shell is in sliding fit with the inner wall of the shielding outer shell, the multiple connecting pieces are connected between the shielding outer shell and the auscultation head, and the elastic piece is configured to drive the marking inner shell to have the trend of moving towards the position away from the auscultation head all the time, so that the bottom end of the marking inner shell does not exceed the auscultation end face. In the auscultation process, when auscultation marking is needed, a doctor presses the marking inner shell to overcome the elastic force of the elastic pieces, so that the bottom end of the marking inner shell coated with medical dye extends out of the auscultation end face and makes contact with the skin surface to complete marking, and the convenience of auscultation marking is effectively improved; and the accuracy and repeatability of auscultation diagnosis are further improved.

Techniques for conduction-based contact detection for physiological sensors are described. In an example, a wearable device includes a contact-based sensor configured to collect physiological data of a user and at least one electrode positioned proximate to the contact-based sensor, such that a contact status of the electrode corresponds to a contact status of the sensor. The wearable device includes a contact detection circuit that is configured to determine a contact condition of the contact-based sensor that indicates whether the sensor is in sufficient contact with the skin surface based on an electrical characteristic of a conduction path between the at least one electrode and a skin surface of the user. In this way, the techniques described herein support reliable detection of sensor contact quality through conduction-based measurements, which enables wearable devices to ensure accurate physiological data collection while optimizing power consumption and improving an overall user experience.

The invention provides a sleep apnea and hypopnea intelligent monitoring and auxiliary diagnosis system and method based on a flexible sensor, and belongs to the technical field of sensors and respiration monitoring equipment. The system comprises a resistive flexible strain sensor, a wireless data acquisition card and a portable data processing terminal, a resistance-type flexible strain sensor is adhered to the skin surface of a main muscle group and an auxiliary muscle group related to human respiration, resistance signals related to the respiration frequency and amplitude are obtained, respiration data of a patient are collected in real time, and further, self-adaptive amplitude alarm upper and lower limits are constructed through statistical modeling of the individual resting respiration amplitude, so that the respiration alarm accuracy is improved. Therefore, the individual adaptability and robustness of the respiration detection system are improved.

Disclosed are an ultrasonic therapeutic system, a control method thereof and an ultrasonic therapeutic apparatus, and relates to the field of ultrasonic therapy. The ultrasonic therapeutic system includes a linear-type handpiece and a point-type handpiece, and the control method includes the following steps: controlling at least one of a linear-type handpiece and a point-type handpiece to apply ultrasonic energy inside a treatment area; the linear-type handpiece is configured to apply multiple focuses of the ultrasonic energy in line at one shot, being capable of discretely moving at a preset interval along a skin surface of the treatment area; and the point-type handpiece is configured to apply one focus of the ultrasonic energy at one shot, being capable of continuously sliding and overlapping for a preset time along the skin surface of the treatment area.