733results about "Plasters" patented technology

The present invention discloses a burn plastic surgery negative pressure wound debridement and healing promotion device, characterized in that it comprises a patch, a double-shaped connection component and a negative pressure suction unit, the negative pressure suction unit comprises a base, a hollow column, a rotary drive mechanism and a negative pressure machine, a mounting cavity is arranged in the base, a plurality of tracheal joints are arranged longitudinally on the base, the hollow column is vertically mounted on the base, a plurality of negative pressure holes connected to the interior are evenly spaced along the circumferential direction on the hollow column, the negative pressure holes correspond to the tracheal joints one by one, and the negative pressure holes on the hollow column are connected in sequence with the corresponding inner ports of each tracheal joint in a clockwise direction; the present invention aims to promote blood circulation and healing of burn plastic surgery wounds through dynamic negative pressure technology, reduce infection risks, improve treatment effects and patient comfort, and at the same time realize repeatable disassembly and assembly of the patch.

The invention belongs to the technical field of battery dressings, and particularly relates to a wearable magnesium battery self-powered dressing for chronic wound healing and a preparation method and application thereof. A flexible conductive carbon cloth coated with a viologen-based covalent organic framework material is used as a battery positive electrode, a magnesium sheet is used as a negative electrode, polyacrylamide hydrogel is used as a solid electrolyte, and the flexible wearable self-powered dressing is assembled. The formed electrode can effectively input electrical stimulation to the wound surface, the dressing can simulate an endogenous electric field in the wound, induce migration of fibroblasts, regulate the immune microenvironment of the wound and inhibit inflammatory response, polyacrylamide is used as gel electrolyte, and the dressing has good hygroscopicity, can absorb exudate at the wound surface and keep a wet healing environment, and can be applied to the wound healing. The chronic wound healing of the rat is effectively promoted. The self-powered dressing prepared by the invention provides a reliable electrotherapy method for chronic wound healing.

The present disclosure relates generally to antimicrobial gels. In particular, the present disclosure relates to an antimicrobial gel comprising a eutectic solvent and a gelling agent which can be used as a drug delivery vehicle for antimicrobial agents, including for the topical delivery of antimicrobial agents to the skin of a subject. The present disclosure also relates to processes for preparing the antimicrobial gel, and to methods, uses and compositions comprising the antimicrobial gel.

The invention relates to an intelligent dynamic negative pressure and phototherapy integrated burn wound treatment device, and belongs to the technical field of medical instruments, the device comprises a contact layer, a conduction layer and a honeycomb support layer, the contact layer drains exudate, the conduction layer is integrated with an optical fiber network and a self-adaptive deformation mechanism, and the honeycomb support layer is connected with an intelligent negative pressure chamber and a gradient sterilization system. The pressure of the negative pressure chamber is dynamically adjusted through a corrugated air bag and a rhombic telescopic unit, and the photo-thermal assembly irradiates the wound surface in a time-sharing mode and maintains the constant temperature. And the sterilization system adopts ultraviolet pulse and a multi-stage filter screen to cooperatively purify the percolate. The intelligent regulation and control module optimizes treatment parameters in real time through a multi-mode sensing network, and full-closed-loop cooperation of negative pressure, phototherapy and sterilization is achieved. According to the device, the limitation of traditional treatment is broken through through integrated design, the wound repairing quality and the anti-infection capacity are remarkably improved, meanwhile, the medical care burden is reduced through modular expansion and a non-invasive monitoring function, and an efficient and safe intelligent solution is provided for burn management.

In some aspects, a flexible circuit structure is provided, comprising a carrier of a flexible insulating material, conductive tracks and one or more electrodes formed on at least one of a first surface of the carrier and a second surface of the carrier opposite the first surface, and connection terminals formed on the first surface and electrically coupling to the electrodes via at least some of the conductive tracks. The flexible circuit substrate further comprises a fluid collector system formed on the carrier with the fluid collector system comprising at least one microchannel formed in the second surface. Herein, at least one of the conductive tracks is formed so as to at least partially extend within the at least one microchannel. This flexible circuit structure may be used in a wearing arrangement, such as a bandage, or as a transducer of a biosensor.

The invention discloses an electroactive dressing used for promoting bone cell differentiation and bone regeneration and used for negative pressure therapy and a manufacturing method. The manufacturing method of the electroactive dressing comprises the steps that S1, a PLLA / BG spinning solution is prepared; s2, preparing a PLLA / BG nanofiber membrane through electrostatic spinning; s3, vacuum drying; s4, PAMAM-NH2 surface modification, the negative pressure treatment dressing relates to the technical field of negative pressure treatment dressings, when mechanical deformation is generated during negative pressure work, the piezoelectric biological film generates continuous electric stimulation, and the electric stimulation has positive and beneficial effects on osteoblasts and bone tissue physiological processes. The generated electric effect continuously collects functional electrolyte in surrounding tissues, and the functional electrolyte is separated in the wound by the dendrimer PAMAM-NH2, so that excessive exudation caused by negative pressure treatment is effectively made up. Meanwhile, the flow of the electrolyte further strengthens a local electric signal, so that cell migration and osteoblast proliferation and differentiation are effectively promoted.

Disclosed herein are several embodiments of a negative pressure appliance and methods of using the same in the treatment of wounds. Some embodiments are directed to improved fluidic connectors or suction adapters for connecting to a wound site, for example using softer, kink-free conformable suction adapters.

The invention discloses a polyurethane foam dressing plaster, which comprises a dressing plaster main body, a pasting expansion wing is arranged on the dressing plaster main body, an isolation layer is arranged on the pasting expansion wing, and easy-to-tear lines are respectively arranged on the dressing plaster main body and the isolation layer; the dressing paste body comprises an absorption layer and first release paper which are arranged up and down, the easy-to-tear line is arranged on the side, close to the hip crack, of the absorption layer, and the two pasting expansion wings are arranged on the absorption layer. The easy-to-tear line is additionally arranged on the dressing paste main body, and the extension wings and the isolation layer are pasted on the dressing paste main body, so that the hip crack part with large tension of the dressing paste main body is improved, the hip crack part of the dressing paste main body can be torn, the pasting freedom degree of the dressing paste main body is expanded, the hip crack part of the dressing paste main body can be smoother, and the extrusion pressure is reduced; the covering area can be increased after the dressing paste body is torn open through the pasting expansion wings, the torn part of the dressing paste body can be better attached to the skin of a patient, and the dressing paste is particularly suitable for a large patient (an obese patient).

The invention relates to the technical field of medical instruments, in particular to a craniocerebral postoperative cap type air bag pressurizing device which comprises a cold compress part, an air bag head sleeve and a fixing part. The cold compress piece can press a wound on the head of a patient; when the air bag head sleeve is inflated and expanded, the cold compress piece can be pushed, and the cold compress piece is pushed to be close to the head of a patient so as to press a wound. The fixing piece is used for fixing the airbag hood on the head of a patient; the air bag head cover comprises at least two sub-air bags, the adjacent sub-air bags are connected with each other, and different sub-air bags can be independently inflated. In the application, the air bag head cover can better fit the curved surface of the head of the patient, so that the wound on the head of the patient can be fully pressed to ensure the binding effect. The air bag head cover comprises at least two sub-air bags, and different sub-air bags can be independently inflated, so that the device can be flexibly adjusted according to head sizes and wound positions of different patients, and the adaptability is improved.

A saphenous vein compression system(s) and methods of use including a wound bolster applied over the saphenous vein, a compression liner or stocking applied over the wound bolster, and a thigh therapeutic compression garment applied over both with the thigh therapeutic compression garment inflated for compression therapy on the thigh and saphenous vein of a user.

The invention relates to a breast pad with good air permeability. The breast pad comprises a top piece, a water absorption layer, a bottom piece and a surface layer which are sequentially laminated, folding the surface layer by taking the center line of the surface layer as a folding line, jointing the laminated materials at the two ends of the folding line of the surface layer to form a joint angle, then adhering one outer side surface of the surface layer to one side of the center line of the top sheet, and enabling the folding line of the surface layer to be on the center line of the top sheet; then the wrapping body is folded and extruded towards one side of the top piece, so that the other outer side face of the surface layer is bonded with the top piece; a region of the facing layer adjacent the joint angle is not bonded to the topsheet. When the breast pad is unfolded, the area, close to the joint angle, of the surface layer tilts towards the direction away from the top piece, so that the whole surface layer is in a bowl shape or a dish shape. During use, the breast pads cover breasts, a pair of cavities which are opened outwards is formed between the area, close to the joint angles, of the surface layer and the top piece, air penetrates through the area, close to the joint angles, of the surface layer to reach the skin close to nipples, ventilation is achieved, and the use comfort of the product is improved.

Provided herein are devices and methods for the treatment of skin conditions. A skin treatment apparatus according to the present disclosure generally includes a treatment head defining a treatment space, the treatment head having a body forming said treatment space. The body is further configured to contact the treatment space to a treatment surface containing a lesion. A treatment media is disposed within the treatment space. The skin treatment apparatus also includes a heating element configured to heat the treatment media.

This disclosure includes wound dressings and systems with remote oxygen generation for topical wound therapy and related methods. Some systems include a dressing for facilitating delivery of oxygen to the target tissue, the dressing having: a first manifold that defines a plurality of gas passageways and is configured to allow communication of oxygen to the target tissue; a gas-occlusive layer configured to be disposed over the first manifold and coupled to tissue surrounding the target tissue such that: an interior volume is defined between the gas-occlusive layer and the target tissue; and the gas-occlusive layer limits escape of oxygen from the interior volume between the gas-occlusive layer and the tissue surrounding the target tissue; a container outside the interior volume, the container having a sidewall that defines a chamber configured to be in fluid communication with the interior volume; and an oxygen-generating material disposed within the chamber of container and configured to release oxygen when exposed to water.

A wound / bandage protector configured as a wrap, a sock / mitten, or a bandage may be made out of stretchable material. The wrap may have one or more fastening straps as well as possibly a first catch fastening surface. The sock / mitten may have a fastening strap and a sheath. The wrap, the sock / mitten, and the bandages may have apertures and aperture covers. In addition, the wound / bandage protectors as well as the bandages may have diamond or triangular gauze configurations with the gauze pad having three or four primary corners, the primary corners of the gauze pad in most instances being oriented towards edges of the body portion or length of width tangents of the body portion, preferably mid-points or mid-sections of the length or width tangents or body portion edges.

The invention discloses a micron-sized absorbable gelatin fiber non-woven fabric and a preparation method and application thereof, and the preparation method comprises the following steps: (a) preparation and in-situ crosslinking of a gelatin solution: dissolving or dispersing gelatin in a volatile acid solution to obtain the gelatin solution, adding a crosslinking agent into the gelatin solution, and carrying out an in-situ crosslinking reaction to obtain a mixed solution; (b) centrifugal spinning forming: carrying out centrifugal spinning on the mixed solution obtained in the step (a) to prepare a micron-sized gelatin fiber membrane; (c) treatment and crosslinking of the multiple layers of fiber membranes: drying the multiple layers of gelatin fiber membranes, stacking and fixing to form a non-woven fabric with a certain thickness and structure; and performing physical crosslinking and / or chemical crosslinking treatment on the non-woven fabric to obtain the micron-sized absorbable gelatin fiber non-woven fabric. The process is simplified, the production efficiency is high, and large-scale production is facilitated.

A surgical dressing is disclosed. The surgical dressing may have a dressing element, a connection element, and a tube element. The dressing element may be applied to a wound site of an organic body. The dressing element and tube element may be coupled at opposing ends of the connection element. The tube element may be coupled to a tube extending from the wound site. A secondary layer may be coupled to the connection element to retain the connection element in a stretched condition. The secondary layer may be removed from the connection element to enable the connection element to stretch or retract in response to forces applied to or removed from the tube.

The invention belongs to the technical field of medical sensing, and relates to a wound monitoring bandage and method based on flexible passive inductance-capacitance resonance sensing. Comprising a contact wound dressing; the sensor assembly comprises a first transparent dressing packaging layer, a second transparent dressing packaging layer and an LC resonance sensor, the first transparent dressing packaging layer and the second transparent dressing packaging layer are arranged in a stacked mode, the LC resonance sensor is packaged between the first transparent dressing packaging layer and the second transparent dressing packaging layer, and the LC resonance sensor is of a planar spiral structure; the second transparent dressing packaging layer is arranged at the top of the contact wound dressing; and the transparent dressing fixing layer covers and fixes the sensor assembly and the contact wound dressing. The problems that in the prior art, wound healing state evaluation depends on subjective experience, continuous real-time monitoring cannot be achieved, the healing environment is prone to being damaged and infection is caused by frequent dressing replacement are solved, and the dual functions of objective, continuous and non-invasive monitoring on the wound healing process and active healing promotion are achieved.

The invention discloses a multifunctional wound patch combined with electrical stimulation therapy and a preparation method and application thereof, and relates to the technical field of medical materials, and the multifunctional wound patch comprises a double-layer electrostatic spinning fiber membrane, a conductive ink layer and a conductive hydrogel layer. S-shaped concentric circle conductive electrode pairs written by conductive ink are integrated on the surface (directly in contact with the wound) of the hydrophobic fiber layer, and square conductive ports with corresponding sizes can be drawn at the tail ends of the two electrodes as required. And the surface of the conductive electrode pair is packaged by conductive hydrogel with an antibacterial function. An external electric signal can be transmitted to the electrode pair of the patch through the conductive port of the electrode pair, and then acts on a wound through the conductive hydrogel layer, so that on-demand electrical stimulation treatment on the wound is realized. According to the multifunctional wound patch combined with the electrical stimulation therapy, discharge of redundant seepage can be achieved, and it is guaranteed that the wound environment is good; the curcumin-loaded medicine has the effects of resisting bacteria, resisting oxidation and promoting healing on wounds.

Dry eye treatment apparatus and methods which include one or more patches or strips affixed to the skin of the upper and / or lower eyelids to deliver heat or other forms of energy, pressure, drugs, moisture, etc. (alone or in combination) to the one or more meibomian glands contained within the underlying skin. The one or more patches or strips may allow for the subject to blink naturally without restriction from the one or more patches or strips. The one or more patches or strips may be shaped to follow a location of one or more meibomiam glands contained within the underlying region of skin.

The invention relates to the technical field of biomedical engineering and pharmacology and relates to, but is not limited to, a method for the composition and production of a wound dressing for the healing of complete and chronic skin wounds.

The present invention relates to dressings, such as bandages or tapes, that have improved stretch and conformability to human skin and joints.

A dermatologic treatment apparatus (1) comprising a light emitting part (2), for emitting light for dermatological treatment. The apparatus (1) further comprises a skin treatment dressing (3). The skin treatment dressing (3) is a bioactive dressing and is arranged to adhere to a user's skin, during use. The skin treatment dressing (30 is arranged with the light emitting part (2) such that, in use, light from the light emitting part (2) passes to the skin treatment dressing (3). The skin treatment dressing (3) is configured such that the light from the light emitting part (2) passes through the skin treatment dressing (3) to a user's skin (2).

The present invention relates to a wound dressing composition for use as or in a wound dressing and to methods of making the wound dressing composition. The wound dressing composition comprises wicking material, and superabsorbent material that is punched into the wicking material. The action of punching the superabsorbent material into the wicking material acts to significantly increase the rate of absorption of the combination materials.

The invention discloses a breast pad. The breast pad comprises a functional material layer which is combined on the surface of one side, facing a main body, of a top layer and comprises microcapsules, the microcapsule wraps the core material containing wool fat, the ratio D / d of the average particle size (D) of the microcapsule to the average pore diameter (d) of the bearing surface of the top layer is 1.2: 1-5: 1, and through the collaborative design of the specific sandwich structure and the size, the microcapsule can be stably stored, and the core material is released under the body temperature and soft pressure in the lactation period, so that the microcapsule can directionally and efficiently penetrate through the top layer to act on the skin, and the skin is protected. Therefore, while moistening and protecting are achieved, the greasy feeling is remarkably avoided, and the original absorption dryness of the breast pad is kept.

A dressing material for puncture of the present invention includes a support film, a frame sheet, and a release liner, which are laminated from an upper side in this order. An adhesive is used to bond the support film and the frame sheet, and bond the frame sheet and the release liner. The support film is a base material having a thickness of from 10 μm to 80 μm. The adhesive has a mass per unit area of from 30 g / m2 to 80 g / m2.

A method for synergistically promoting wound healing by means of moderate-intensity pulse ultrasonic waves and zinc oxide nanoparticle-type-I collagen hydrogel comprises the following steps that zinc oxide nanoparticles and type-I collagen hydrogel are physically mixed and crosslinked in advance and applied to a chronic infected wound, and then the wound is accelerated to heal through multiple times of MIPUS stimulation. The effect of the ZNP-COL hydrogel is enhanced through MIPUS, immune cell polarization can be activated, and the proportion of anti-inflammatory M2 type macrophages is increased; wherein ZNP is capable of releasing zinc ions and reactive oxygen substances and has antibacterial activity; meanwhile, ZNP can generate current and an electric field under stimulation of MIPUS, calcium ions on the surface of a cell membrane are activated to flow inwards, and proliferation of anti-inflammatory M2 type macrophages is promoted; the COL hydrogel is used as a medium to transmit ultrasonic waves and fix the ZNP, and the function of the ZNP at the local position is enhanced. The method solves the problems of bacterial infection and chronic inflammation at the same time, is safe, simple and reusable, and can be widely applied to infection of other parts besides the application.

Disclosed embodiments relate to apparatuses and methods for wound treatment with ultrasound. In certain embodiments, a therapeutic ultrasound wound treatment apparatus includes a wound dressing configured to be positioned over a wound to provide a substantially fluid impermeable seal over the wound and a transducer to deliver therapeutic ultrasound to tissue. The therapeutic ultrasound wound treatment apparatus may further include a wound contact layer configured to be positioned in contact with the wound, a transmission layer positioned above the wound contact layer, an absorbent layer positioned above the transmission layer and configured to absorb wound fluid, and a backing layer positioned above the absorbent layer and including an orifice. Also disclosed are multiple parameters for the therapeutic ultrasound signal.

The present disclosure generally relates to a medical dressing (100) comprising an absorbent foam layer (101) having a first side (101a) and a second side (101b), the medical dressing (100) comprising a support layer (102) facing the first side (101a) of the absorbent foam layer (101) and an adhesive skin-contact layer (103) facing the second side (101b) of the absorbent foam layer (101), the first side (101a) of the absorbent foam layer (101) comprising a plurality of compressed depressions (104a), the support layer (102) being positioned in direct contact with the first side (101a) of the absorbent foam layer (101). The present disclosure also relates to a method of manufacturing the medical dressing.

The present invention relates to a light-guiding adhesive patch which can be stably adhered to the surface of an organic material and can effectively transmit light to an adhesion site.

The present invention concerns extensible absorbent wound dressings. The wound dressing has a wound contact layer having a proximal surface facing toward the wound and a distal surface facing away from the wound, and a backing layer having a proximal surface facing toward the wound and a distal surface facing away from the wound, the backing layer having an absorbent region located on a proximal surface thereof, the absorbent region comprising a plurality of discrete absorbent members, wherein the backing layer is configured to be positioned over the wound contact layer, such that the absorbent region is located adjacent to the distal surface of the wound contact layer, and wherein the absorbent region and the wound contact layer are configured to be detached at least in an area inside a perimeter of the absorbent region. The absorbent wound dressings of the present invention can be used to dress so-called truly three-dimensional anatomical areas, such as for example a knee or an elbow.