182 results about "Layers skin" patented technology

Biocompatible materials are propelled at the skin with sufficient velocity to cause desired resurfacing of skin layers to the desired penetration depth. The materials, such as dry ice or water ice, are harmonious with the human body and thus eliminate foreign body reactions. Various materials may be used in combination, including local anesthetics and vasoconstrictors in solid or liquid form. The biocompatible solid or liquid particles are suspended in a cold carrier fluid and propelled through an insulated delivery system to the surface of the skin. The treatment of diseased skin lesions may be accomplished using the present invention as a drug delivery system.

Systems, devices and methods for determining the concentration of physiological fluid analytes are provided. The subject systems have a plurality of biosensor devices present on a disposable cartridge. Each biosensor device includes a biosensor and a skin penetration means. In practicing the subject methods, a movement means of the device is used to move each biosensor device in a first direction that provides for penetration of the skin-piercing means into a skin layer followed by movement of the biosensor in a second direction that provides for removal of the skin-piercing means from the skin layer, where this movement profile provides for physiological fluid access and analyte concentration determination by the analyte sensor means. The subject systems, devices and methods for using the same find use in determining the concentration of a variety of different physiological fluid analytes, and are particularly suited for use in detection of physiological fluid glucose concentration.

An instrument and technique for the removal of epidermal layers in a controlled manner utilizing a hand-held instrument with a working end that (i) a vacuum aspiration system, (ii) a source for delivery of a sterile fluids or pharmacological agents to the skin; and (iii) a skin interface surface in the working end that has specially shape structure for abrading surface layers of the patient's epidermis as the working end is moved over the patient's skin while at the same time causing rapid penetration of the fluids into the skin for therapeutic purposes. Movement of the working end across the skin causes abrasion of the surface layers in a path over the patient's skin. The method of the invention may be used in a periodic treatment for the removal of superficial skin layers that enhances the synthesis of dermal collagen aggregates by inducing the body's natural wound healing response. The method of the invention creates more normal dermal architectures in skin with limited depths of skin removal by the series of superficial treatments that may be comparable to the extent of neocollagenesis caused by a deep skin removal treatment (e.g., CO2 laser skin removal).

The present invention is based on the development of a method for cosmetic delivery of L-ascorbic acid-containing compositions to the layer of the skin wherein collagen formation takes place to enhance production of collagen and thereby combat some of the effects of aging and oxy-radical damage on skin. Sufficient electric pulses applied to a region of skin surface temporarily create new pathways through the lipid skin barrier, thereby delivering an L-ascorbic acid-containing composition through the lipid skin barrier and enhancing production of collagen in the region of the skin so treated. A handheld electrical pulser apparatus, optionally table-top adaptable, and methods of use for cosmetic treatment of degenerative skin conditions are provided by the invention.

A number of integrated floor structures made of lightweight composite materials for use in an aircraft are disclosed. Generally, each of such floors includes a top-layer skin, a bottom-layer skin disposed below the top-layer skin and a first structural core disposed between the top-layer skin and the bottom-layer skin, the first structural core being composed of a honeycomb composite material. One or more denser structural cores can also be incorporated at strategic locations.

The invention discloses combined deicing system and method based on detection of ice layer-skin surface bonding state. The combined deicing system and method based on detection of ice layer-skin surface bonding state are used for removing ice accumulated on the surfaces of aircraft wings. The combined deicing system bonding state sensors arranged on inner skin of wings, heating units, an icing sensor and excitation modules and correspondingly comprises, a heating control unit, a signal conditioning unit, an excitation control unit and the like. According to signals from the bonding state sensors and temperature sensors, the information of the ice layer-skin surface bonding state can be obtained, and the appropriate deicing time can be mastered according. By adopting the method combining heating and excitation, a safe and efficient deicing with low energy consumption is achieved. Compared with a pure electric-heating deicing method, energy consumption is low, and the exciting force for exciting deicing is smaller than the exciting force of pure exciting deicing, therefore, damage to wing skin materials is small, and the effect on the aircraft aerodynamic shape is smaller.

An analyzer apparatus and method of use thereof is configured to dynamically interrogate a sample. For example, an analyzer using light interrogates a tissue sample using a temporal resolution system on a time scale of less than about one hundred nanoseconds. Optionally, near-infrared photons are introduced to a sample with a known illumination zone to detection zone distance allowing calculation of parameters related to photon pathlength in tissue and / or molar absorptivity of an individual or group through the use of the speed of light and / or one or more indices of refraction. Optionally, more accurate estimation of tissue properties are achieved through use of: knowledge of incident photon angle relative to skin, angularly resolved detector positions, anisotropy, skin temperature, environmental information, information related to contact pressure, blood glucose concentration history, and / or a skin layer thickness, such as that of the epidermis and dermis.

A number of integrated floor structures made of lightweight composite materials for use in an aircraft are disclosed. Generally, each of such floors includes a top-layer skin, a bottom-layer skin disposed below the top-layer skin and a first structural core disposed between the top-layer skin and the bottom-layer skin, the first structural core being composed of a honeycomb composite material. One or more denser structural cores can also be incorporated at strategic locations.

The invention relates to a composite material pi-type lug interface and integral co-curing forming method. The pi-type lug interface comprises an embedded composite material framework and an outer-layer composite material skin coated on the framework. A lamination plane of the embedded composite material framework is parallel to a load direction, and is mainly used for bearing in-plane bending and shearing load. The lamination plant of the outer-layer composite material skin is along with a tangential direction of the outer surface of the embedded framework. The interface is formed with a prepreg-RTM co-curing process. The paving direction of the embedded framework is coplanar with bending and transverse shearing load, such that a characteristic of high composite material in-plane strength can be developed. With the outer-layer skin, the blocked embedded framework is coated into a whole, such that the interface structure is provided with better integrity, and defects of low transmission efficiency and easy stratification at corner joints when a traditional pi-typed interface bears outer-plane load are overcome.

The present invention provides a formula of a moisturizing lipstick. The formula of the moisturizing lipstick comprises hydrogenated cocoglycerides, tridecyl alcohol trimellitate, ethylhexyl palmitate, polyisobutylene, isononyl acid isononyl ester, hydrogenated polydecene, polyethylene, isohexadecane, diisostearyl malate pentaerythritol tetraisostearate, etc. The above raw materials are mixed according to a specific ratio, so that the formula of the moisturizing lipstick improves a skin moisturizing effect of the lipstick. Besides, a good viscosity control is conducted to improve moisture retention of lips by the lipstick, and the lipstick repairs deep layer skin and also is improved in gloss, clear and transparent in appearance, bright in color and luster, moisturized and smooth, good inmoisturizing performances and non-toxic and non-irritating to the skin of the lips.

The invention discloses a 32-degree-of-freedom bionic compliant internal skeleton dexterous hand. The dexterous hand uses an anatomy structure of a human hand for reference, a hand portion is of an inner skeleton type, and the outer surface is suitable for being covered with a flexible bionic skin layer with a certain thickness; a joint adopts double-driver antagonistic type drive, so that the compliance operation and the robustness are both taken into account; a tendon coupling piece and a tendon sheath fixing piece are adopted, so that the hand portion and a wrist portion can be easily disassembled and assembled; metacarpophalangeal joints of five fingers all have convolution degrees of freedom so that the fingers can automatically and compliantly adapt to a complex curved surface; a carpometacarpal joint of a thumb has two degrees of freedom of bending-stretching and annular rotation, a metacarpophalangeal joint of the thumb has the degree of freedom of side sway, carpometacarpal joints of a ring finger and a small finger have degrees of freedom of bending-stretching and inward retracting-outward stretching, an opposing action can be performed so that complex pinching operationcan be executed; the axes of all the degrees of freedom of the multi-degree-of-freedom joint are orthogonal, so that control and motion planning calculation is facilitated; and the dexterous hand is very suitable for compliantly operating objects of complex shapes, so that production, disassembly, assembly and maintenance are facilitated.

The invention discloses a high-speed electroless copper plating solution and a copper plating process thereof. The high-speed electroless copper plating solution comprises 5-50 g / L of copper chloride dihydrate, 10-80 g / L of mixed complexing agent, 5-20 g / L of sodium hydroxide, 1-15 g / L of reducing agent, 1-200 mg / L of stabilizer and 1-100 mg / L of surface active agent. According to the high-speed electroless copper plating solution, a high copper plating rate, high bath solution stability and high environmental protection property can be maintained, a copper plating layer skin membrane compared to copper electroplating can be provided, the copper plating layer skin membrane is flat, dendritic growth is avoided, crystals are exquisite and bright, moreover, the copper plating production efficiency can be improved, and the copper plating time can be shortened. The copper plating process includes the following steps that a, the high-speed electroless copper plating solution is prepared; b, copper plating pre-treatment is performed; c, soaking in the electroless copper plating solution is performed; and d, cleaning and drying are performed. By means of the copper plating process, copper plating processing can be efficiently achieved through the high-speed electroless copper plating solution.

The invention discloses a natural sea salt beauty treatment and skin care product by using sea salt as the principal raw material as well as other nourishment and beauty treatment factors in accordance with the real needs. The product can be prepared into the forms of beauty treatment mud or beauty treatment salt whose functions include cleaning deep layer skin, removing dead skins, and providing nourishing component needed by the skins.

Provided is a microporous membrane which has an asymmetric structure and which exhibits higher permeability while keeping a high particle rejection. This microporous membrane is an asymmetric microporous membrane that is provided with: a skin layer in which micropores have been formed; and a support layer which supports the skin layer and in which pores larger than the micropores have been formed. The material of the microporous membrane is a polyvinylidene fluoride-based resin. In the skin layer, multiple spherical bodies (1) are present, and multiple linear joining parts (2) extend three-dimensionally from each of the spherical bodies (1), each pair of adjacent spherical bodies (1) being linked to each other by one or more of the linear joining parts (2). Thus, the skin layer has a three-dimensional network structure wherein the spherical bodies (1) act as nodes.

The invention discloses a polyethyleneimine-loaded straw adsorbent as well as a preparation method and application thereof. The preparation method comprises the following steps: (1) removing outer layer skins from crop straws, cutting the crop straws into sections, and drying the crop straw sections for later use; (2) adding 1 to 10 percent of a PEI solution according to a ratio that each gram of straw contains 50 to 70 mL of the solution, and performing oscillating immersion to enable the PEI to be loaded on the straws; (3) at the end of the immersion, taking out the straws, and repeatedly washing the straws till the pH is 8 to 9; (4) draining water from the straws, and then drying the straws, thus obtaining the polyethyleneimine-loaded straw adsorbent. After rice straws are directly immersed in the PEI, the inner and outer surfaces of the straws are loaded with the PEI; in the cross sectional direction, the PEI on the outer side is more than that on the inner side, thus forming a novel chelated material, and the adsorption performance of the straws is greatly improved. An obtained adsorption material is of a ring shape, and is adjustable in length-to-diameter ratio, high in fluid mechanics and mechanical strength and convenient to use. The obtained composite adsorption material is good in effect of treating gallic acid wastewater and tannic acid wastewater, and is high in capacity of adsorbing and removing heavy metal cations such as Cu<2+>, Zn<2+> and Cd<2+> and PO4<3->.

The invention relates to means and methods for the disinfection of an insertion channel to prevent in particular catheter sepsis, which significantly reduces the carry-over of germs even out of deeper skin layers by means of medical instruments, such as catheters, to be introduced into non-natural openings and also permits the decontamination of perioperatively contaminated medical instruments. The disinfection of the insertion channel is achieved by means of a method for the perioperative coating of a medical instrument to be inserted into an invasively produced bodily opening before use, comprising the application of a preferably viscous or foam-like composition containing at least one anti-infective compound, preferably a gel having octenidine, by means of an applicator, such that when said gel is used, the composition is also specifically effective in the first millimeters of the insertion channel. Furthermore, an immediate disinfecting action is provided over the entire coated surface.

A system and method for treating cellulite tissue and related conditions comprising apparatus configured to transmit shear and other vibration modes beneath a patient's skin sufficient to break down connective tissue so that pocketing and dimpling of adjacent skin is ameliorated.

The invention relates to a skin care product with anti-blue light effect, wherein the skin care product comprises prebiotics, mung bean seed fermentation broth, water-locking magnet, carnosine, doublenanometer coenzyme Q10 and sunflower bud extract. When the skin care product is applied on the skin, and massage is used, the product increases the activity of cells in the skin layer, so as to enhance the filtering ability of skin to blue light, block the generation of infrared infrared blue light free radicals, reduce and prevent the damage of blue light to skin, prevent the loss of skin density caused by exposure to sunlight, promote the generation of skin collagen, maintain skin elasticity, protect skin and reduce photoaging. At the same time, sunflower bud extract can activate peroxidase-activated receptor (PPAR), PPAR has anti-apoptosis effect, can ensure enough living keratinocytes to participate in the reformation and migration of wound epidermis, so it has skin wound healing andanti-inflammatory effect.

The invention relates to an interactive generation method for a realistic virtual incarnate model based on a component library, comprising the steps: firstly, according to gender parameters, body height parameters, age parameters, hairstyle parameters, clothing parameters and equipment parameters appointed by a user, a corresponding skeleton model and a corresponding outer layer skin model are respectively generated based on the component library, and a virtual incarnate model with the realistic characteristic is established in a superposition way; secondly, characteristic points of left eye, right eye, nose, mouth, chin, left ear and right ear on a human face photo are selected in an interaction way, the photo is mapped onto a face grid of the incarnate model by adopting a texture mapping technology, thereby the virtual incarnate model with the reality is generated. On the basis of the prior technical scheme, the invention can save a great deal of time and resources by fully utilizing the prior component library data, can increase the reality of the incarnate model without changing geometric data of the model by customizing face textures of the incarnate model in the interaction way, and increases the immersive characteristic to develop common activities among multiple users in a subsequent virtual environment.

The invention discloses photo-crosslinking / electrostatic spinning preparation and an application of a hydrogel composite scaffold with a double-layer skin structure. According to the composite scaffold, a gelatin electrostatic spinning fiber membrane is used as a substrate, and cylindrical gelatin hydrogel is prepared on one surface of the gelatin electrostatic spinning fiber membrane through a photo-crosslinking effect, so that the hydrogel composite scaffold with the double-layer skin structure is obtained. The composite scaffold has a double-layer structure, the fiber membrane is equivalentto the epidermal layer of the skin, foreign matter and pathogen invasion can be blocked, and tissue fluid loss can be prevented; the patterned cylindrical gelatin not only can support cell viabilityand cell adhesion, but also can promote cell migration and proliferation and promote regeneration and formation of skin tissues; due to the unique shape, the composite scaffold has good air permeability, large porosity and pore diameter while good fitness with wounds is guaranteed, transportation of oxygen and nutrient substances of the wounds is facilitated, generation of blood vessels at the wounds can be promoted, the degradation speed of the composite scaffold is close to the wound healing period, and wound healing is facilitated.

Embodiments of a system and methods for skin detection and pose determination of a hand in an image are generally described herein. A method for may include detecting skin pixels in an image using a multi- layer skin filter and classifying the skin pixels into a set of foreground skin pixels and a set of background skin pixels. The method may include storing information about the set of background skin pixels in a persistent memory. The method may include determining a set of features from the set of foreground skin pixels, and clustering features from the set of features to create a set of hand pose descriptors. The method may include determining a set of candidate hand pose region descriptors and a set of candidate hand pose contour descriptors that match the set of hand pose descriptors and detecting a valid hand pose using the sets of candidate descriptors.

The invention provides a micro floating raft array skin having functions of reducing resistance and noise. Through the adoption of the micro floating raft array skin disclosed by the invention, the functions of reducing fluid resistance and noise of an underwater vehicle can be realized. The micro floating raft array skin comprises an inner layer skin, an outer layer skin, and an intermediate layer, wherein the inner layer skin and the outer layer skin are made of organic polymer materials; and the intermediate layer is formed by a plurality of micro floating raft array units through an arraymanner, and is fixed between the thin flexible inner layer skin and the thin flexible outer layer skin through super glue to form the micro floating raft array skin having the functions of reducing fluid resistance and noise.

The invention provides a secondary-generation fingerprint identification method, aiming at overcoming the state that the existing optical fingerprint identification system can only scan the surface of finger skin or scan the dead skin layer, instead of penetrating into the dermal layer because light can not penetrate the surface of the skin (dead skin layer). The method realizes the accuracy of the process of the optical fingerprint identification method.

The invention belongs to the technical field of tissue engineering and discloses tissue engineering full-layer skin and a preparing method thereof. The tissue engineering full-layer skin comprises epidermal cells, dermal cells and a biological scaffold material. The skin is obtained by compounding the dermal cells in the biological scaffold material, inoculating the surface with the epidermal cells and carrying out culturing and preparing. The tissue engineering full-layer skin is provided with a dermis layer and an epidermal layer which are provided with activity cells, the epidermal layer contains stratum corneum and is approximate to the normal skin, after transplanting is carried out, complete human skin with a function can be regenerated, the regenerated skin has skin appendant organs such as hair and the sebaceous gland, and the skin can be used for treating skin defects caused by inflammation, ulcer, burns, scalds and the like, and can also be used for preparing a skin model for disease study, medicine testing and screening, cosmetic testing and the like.

The invention provides a double-layer skin wave-absorbing composite material sandwich structure and a preparation method thereof. The double-layer skin wave-absorbing composite material comprises a first skin layer M1, a wave-transmitting layer T1, a second skin layer M2, a plurality of wave-transmitting layers T2, a plurality of wave-absorbing layers X and a reflecting layer F in the form of M1-T1-M2-T2-X-T2-X-T2... X-T2-F in the propagation direction of electromagnetic waves, wherein the thickness of the first skin layer M1 and the thickness of the second skin layer M2 range from 0.2 mm to 1mm, and the thickness of the wave-transmitting layer T1 ranges from 0.5 mm to 1.5 mm. Through the double-layer skin design, the wave absorbing performance of the high-frequency (Ka) waveband of the wave-absorbing composite material sandwich structure can be greatly improved, and the defect that when the skin is thick (larger than 0.2 mm), the wave absorbing foam sandwich structure is difficult toobtain a satisfactory wave absorbing effect in the high-frequency (Ka) waveband is overcome.

The invention provides a double-layer skin wave-absorbing honeycomb sandwich structure and a preparation method thereof. The structure is formed by overlapping a first skin layer, a wave-transmittinglayer, a second skin layer, a plurality of wave-absorbing layers and a reflecting layer in sequence in the electromagnetic wave propagation direction, wherein the thickness of the first skin layer andthe thickness of the second skin layer are 0.2 mm-1mm respectively, the wave-transmitting layer is a honeycomb structure layer, the thickness of the wave-transmitting layer is 0.5 mm-1.5mm, and any one of the wave-absorbing layers is a wave-absorbing honeycomb layer. Through the double-layer skin design, the wave-absorbing performance of the wave-absorbing honeycomb sandwich structure in the high-frequency (Ka) waveband can be greatly improved, and the defect that when the skin is thick (larger than 0.2 mm), the wave-absorbing honeycomb sandwich structure is difficult to obtain a satisfactorywave-absorbing effect in the high-frequency (Ka) waveband is overcome.

The present invention relates to a stuffed potato meat ball and a processing technology thereof. The stuffed potato meat ball includes outer layer skin material and filling material wrapped by the outer layer skin material. The stuffed potato meat ball is characterized in that the outer layer skin material and the filling material are chosen from the following two ingredients: the raw materials of ingredient A include lean meat, tilapia skin, water, phosphate, edible salt, tapioca starch and seasonings and the mass ratio of the lean meat and tilapia skin is 60-75 : 25-40; the raw materials of ingredient B include potatoes, potato starch and edible salt, and the mass ratio of the potato starch and potatoes are 0-15%; when one of the ingredients is selected to be used as the outer layer skin material, the other ingredient is thus used as the filling material. Compared with the traditional meat balls, the provided stuffed potato meat balls have a traditional meat ball flavor and a fresh potato flavor, and are reasonable in nutrition ratio, better in mouthfeel, moderate in hardness, relative good in chewiness, and richer in flavor.

The invention concerns a thermoplastic resin-based composition, for making single-layer or multilayer skins (or composite structures), having a speckled appearance, and a method for obtaining same. Said composition comprises: 10 to 99 wt. % of a compound or “matrix” of a polyvinyl chloride thermoplastic (PVC) resin; 0.5 to 90 wt. % of at least a compound or “inclusion” of a thermoplastic resin containing at least one colouring pigment: 0.5 to 20 wt. % of speckling agents selected among colouring pigments, metal particles or decorative flakes, glass beads, polymeric particles.

The invention discloses a medicine for accelerating the repair of stratum epidermis and the regeneration of skin appendages. The medicine consists of epidermal stem cells, bone marrow mesenchymal stem cells and a medicine carrier, wherein the epidermal stem cells and the bone marrow mesenchymal stem cells are adhered to the medicine carrier, namely each cubic millimeter of the medicine carrier contains (0.3-1)*104 epidermal stem cells and (0.3-1)*104 bone marrow mesenchymal stem cells. The medicine has an obvious effect in aspects of promoting the regeneration of the stratum epidermis, promoting the regeneration of dermis, enhancing the mechanical strength of regenerated skin, promoting the content of collagen of the regenerated skin, promoting revascularization, promoting the regeneration of hair follicles and the like, so that wounds can be repaired within a short time and the regeneration of the skin appendages can be accelerated. The invention also discloses a method for preparing the medicine for accelerating the repair of the stratum epidermis and the regeneration of the skin appendages, and the method is simple, high in controllability, high in operability and high in repeatability.