536results about "Dressings" patented technology

The invention discloses a drug electric controlled release hydrogel patch for wound healing, and belongs to the technical field of biomedical materials, the hydrogel patch comprises sheet electrodes, conductive hydrogel, a liquid storage tank and a flexible circuit, the two sheet electrodes are respectively attached to two side surfaces of the conductive hydrogel to form a sandwich structure, and a hole is formed in the middle of one sheet electrode; the two sheet electrodes are connected to the flexible circuit through wires, and the flexible circuit controls the two sheet electrodes to generate voltage difference. The liquid storage tank is used for storing a medicine solution and comprises a liquid storage tank cavity and a liquid storage tank hole, the conductive hydrogel and the liquid storage tank cavity form a closed space through the liquid storage tank hole, one part of the conductive hydrogel is exposed outside, and the other part of the conductive hydrogel is in the liquid storage tank cavity; the conductive hydrogel is exposed outside, and the surface, attached with the sheet-shaped electrode with a hole in the middle, of the conductive hydrogel is a treatment surface facing a wound surface. The hydrogel patch can realize long-term continuous supplement of drugs in hydrogel and program-controlled drug release, and wound healing is promoted through cooperation of electrical stimulation and drug release.

According to some embodiments, a patch for organ and / or tissue application is provided which comprises a biocompatible polymeric material having an auxetic architecture and further matching a stiffness ratio and / or Poisson's ratio of an organ or tissue to which the patch is applied. According to some further embodiments, biocompatible patches and methods of making the same are provided comprising providing a layer of hydrogel and forming an auxetic architecture by selectively crosslinking areas of the hydrogel via exposure to light, wherein the auxetic architecture is selected to match a stiffness ratio and Poisson's ratio of an organ to which the biocompatible patch is applied.

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.

A filter assembly for an enclosure, particularly for an ostomy bag, is described having an enclosure side, a first layer which is gas permeable, and an adsorbent layer comprising adsorbent particles dispersed in a fine fiber web. The enclosure side of the filter assembly includes an adhesive zone in which adhesive is present having an outer adhesive perimeter and a weld area surrounding at least a portion of the adhesive zone, where the filter assembly is heat-sealable to the enclosure at the weld area. A method of assembly is also described.

A filter assembly for an enclosure, particularly for an ostomy bag, is described having an enclosure side, a first layer which is gas permeable, and an adsorbent layer comprising adsorbent particles dispersed in a fine fiber web. The enclosure side of the filter assembly includes an adhesive zone in which adhesive is present having an outer adhesive perimeter and a weld area surrounding at least a portion of the adhesive zone, where the filter assembly is heat-sealable to the enclosure at the weld area. A method of assembly is also described.

A system for determining, the pressure beneath a compression garment applied around a circumference of a body part, comprises an imaging device to produce image data representing a part of the garment at a measured location and a processing device, arranged to analyse the image data. The processing device uses the data to determine the circumference of the body part at the measured location and a tension in the part of the garment and thus derives a value for the pressure based on the circumference and tension.

A wound dressing for active continuous debridement of devitalized tissues in non-healing wounds including diabetic ulcers, pressure ulcers, burn injuries and other etiologies, includes an active ingredient, such as collagenase, which serves to debride wounds in-situ. In one example, purified Collagenase (90% pure) was deposited onto several wound dressing materials. A key feature of this invention is that the activity level of the Collagenase used was substantially preserved.

The present disclosure provides a method, performed in an accessory device, for communicating a leakage state of an ostomy appliance, wherein the accessory device comprises an interface configured to communicate with one or more devices of an ostomy system, the one or more devices comprising a monitor device, and / or the ostomy appliance configured to be placed on a skin surface of a user. The method comprises obtaining monitor data from the one or more devices, the monitor data being indicative of presence of fluid at a proximal side of a first adhesive layer of the ostomy appliance towards the skin surface; determining a leakage state at the proximal side of the first adhesive layer of the ostomy appliance based on the monitor data, and communicating the leakage state of the ostomy appliance via the interface.

Compression garment systems and methods may deliver fluid to one or more fluid cells using a target pressure and an adjustable manifold pressure that may be adjusted to, for example, deliver an amount of fluid to the one or more fluid cells to achieve the desired target pressure. Further, the compression garment systems and methods may provide a graphical user interface depicting a human-shaped graphical element and a compression therapy graphical indication about the human-shaped graphical element. The compression therapy graphical indication may indicate, or show, where on the human-shaped graphical element the compression therapy may be delivered to. Still further, the compression garment systems and methods may include or use a communication interface to determine or identify a compression garment to be used therewith. The identity of the compression garment can be used to configure compression therapy for the compression garment.

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.

This invention describes a wound dressing product for active continuous debridement of devitalized tissues in non-healing wounds including diabetic ulcers, pressure ulcers, burn injuries and other etiologies. The present invention pertains to the principle of continuous wound debridement which makes necrotic tissue more susceptible for removal and hence enhances progressive wound healing. The dressing contains an active ingredient, such as collagenase which serves to debride wounds in-situ. In the present invention purified Collagenase (90% pure) was deposited onto several wound dressing materials. A key feature of this invention is that the activity level of the Collagenase used was substantially preserved.

Disclosed embodiments relate to apparatuses and methods for a skin perfusion pressure determination device. In some embodiments, a skin perfusion pressure determination device can include a sensor module having a first sensor for sensing a first parameter associated with a pressure exerted on a target area by the sensor module and a second sensor for sensing a second parameter associated with an amount of blood perfusion at the target area. In some embodiments, the first sensor and the second sensor can be arranged such that, when the sensor module is pressed against the target area the first sensor produces an output corresponding to the sensed first parameter and the second sensor produces an output corresponding to the sensed second parameter.

The present invention relates to a mobile pressure measuring unit for measuring the pressure of a medical compression bandage on an extremity, such as a leg. In particular, the mobile pressure measuring unit is suitable for measuring the pressure during a compression treatment. The mobile pressure measuring unit contains two pressure sensors and supports the wireless transmission of measured values to a reader. A bandage containing the pressure measuring unit is also described. A further component of the invention is a method for producing the mobile pressure measuring unit.

The invention provides an absorber of a novel environment-friendly composite fiber sanitary napkin as well as a preparation method and application, and belongs to the technical field of hygienic products, the absorber of the novel environment-friendly composite fiber sanitary napkin comprises at least three layers of fiber net structures, an upper surface layer and a lower surface layer are made of ES fibers, a middle layer is made of bamboo-based modified viscose yarns, and the middle layer is made of bamboo-based modified viscose yarns. All the layers form a tightly connected structure through microwave crosslinking, and according to the sequence of the upper surface layer, the middle layer and the lower surface layer, the pore diameter is of a continuous gradient pore structure with gradually reduced pore diameter. The absorber of the prepared environment-friendly composite fiber sanitary towel has excellent water absorption, reverse osmosis resistance and antibacterial durability, and efficient, comfortable and reliable nursing can be provided for a user in the menstrual period.

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.

A wound dressing system includes a control / monitor subsystem with a microprocessor configured for optimizing, wound healing based on wound condition parameters and medication concentrations. An intelligent, wound dressing includes: an inner, patient contact layer; and intermediate reservoir layer configured for retaining a quantity of medication; and an outer cover layer. The control / monitor subsystem can utilize artificial intelligence for optimizing, wound healing outcomes, and can interface with the wound dressing via a hardwired connection, a wireless (RF) connection or via the Internet (cloud).

The invention relates to the technical field of binding detection equipment, and discloses an intelligent binding pressurization pressure measuring device, which comprises a pressurization bandage, a flexible base layer card, a sensor array, a wireless transmission module and an alarm terminal, and is characterized in that the flexible base layer card comprises a flexible card strip and a plurality of flexible cards, and the sensor array comprises a plurality of temperature sensors and a plurality of pressure sensors; the pressurizing bandage can surround the body of a patient together with the flexible clamping strip for binding, and the multiple temperature sensors and the multiple flexible clamping sheets are distributed in a staggered mode in the length direction of the flexible clamping strip. Through the dynamic fitting design of the flexible clamping strip and the pressurizing bandage, self-adaptive binding of the curved surface of the binding part of the human body is achieved, a traditional tourniquet can be replaced in the surgical operation, the temperature sensors are embedded into the flexible clamping strip at equal intervals in the length direction of the pressurizing bandage, and the pressure sensors are integrated on the detachable flexible clamping strip; and the plurality of pressure sensors and the plurality of temperature sensor arrays form a distributed monitoring network covering key parts.

The present invention relates to a moisture sensor comprising a support substrate having a first face and a second face, geometrically opposite to the first face, and wherein: the first face is provided with a plurality of pairs of electrodes configured to be in contact with a liquid, and the second face comprises a plurality of means of detection connected to each other in parallel, and each means of detection comprises a transistor associated to a pair of electrodes, and the moisture sensor is sensitive to an equivalent resistance of the plurality of means of detection.

The negative pressure drainage dressing comprises a dressing body, a flexible sealing film used for covering the dressing body to form sealing is arranged on the dressing body, a negative pressure assembly which is communicated with the dressing body and generates negative pressure is arranged on the flexible sealing film, and a notch is formed in the position, at the application wound surface, of the bottom of the dressing body. The dressing has the advantages of avoiding adhesion between the dressing and a wound surface and relieving pain.

A wrap-around bandage for body tips, including fingers, toes, and other similar-shaped body parts wherein at least one section of the bandage wraps around the body-part to secure the bandage.

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 present invention relates to a mobile pressure measuring unit for measuring the pressure of a medical compression bandage on an extremity, such as a leg. In particular, the mobile pressure measuring unit is suitable for measuring pressure during compression therapy. Furthermore, it is used in sports to accelerate regeneration and enhance performance through compression. A further component of the invention is a method for manufacturing the mobile pressure measuring unit.

The present invention discloses an intelligent, bioengineered wound dressing device that utilizes honey bee-derived therapeutic compounds integrated into a programmable, multi-layered delivery structure designed for sustained antimicrobial release and dynamic wound healing modulation. The device features microencapsulated honey, propolis, and beeswax components embedded within a biocompatible hydrogel matrix, supported by a control technique that processes real-time wound data acquired through embedded biosensors. The technique classifies healing phases, detects wound anomalies, and modulates therapeutic release through actuators based on environmental cues such as pH, temperature, and exudate levels. The system further includes a logic control unit capable of adaptive learning, remote data transmission, and wound trajectory logging, ensuring precise, patient-specific therapeutic delivery. By integrating natural antimicrobial agents with intelligent sensing and release architectures, the invention provides a responsive, self-optimizing wound care platform that enhances healing outcomes, reduces dressing intervention frequency, and improves clinical oversight through real-time therapeutic intelligence.

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 invention relates to a medical gauze wrapped cotton pad dressing and a preparation method thereof, and belongs to the technical field of medical dressings. The medical gauze wrapping cotton pad dressing comprises a cotton pad, the cotton pad comprises a cotton block and wrapping cotton gauze wrapping the cotton block, and the cotton pad further comprises a water-repellent film arranged between one surface of the cotton block and the wrapping cotton gauze; the medical gauze wrapped cotton pad dressing further comprises a gauze bandage used for fixing the cotton pad. The water-repellent film is arranged between one surface of the cotton block and the cotton wrapping gauze, so that the surface of the dressing can be kept dry; and secondly, the dressing is compressed and plastically packaged, so that the problem of large occupied space during storage and transportation of the dressing is solved, and the vacuum plastic packaging also has a good antibacterial effect.

A composition comprising Cutibacterium acnes (also known as Propionibacterium acnes or Corynebacterium parvum), C. acnes culture supernatant and / or a bioactive extract or metabolite obtainable from C.

An article and a method of making the article. The article can include a conformable matrix comprising a mixture of collagen, bioactive glass, and an additive selected from cellulose and / or alginate; wherein the article is a conformable wound dressing. Methods of making articles and methods of using articles to treat wounds are described.

Provided herein are therapeutic and cosmetic methods that utilize an in situ gelling agaroid composition in the form of a water reactive agaroid. The composition described herein is applicable in the fields of wound healing, tissue bulking, bone grafting, and drug delivery.

A more robust packaging structure for maintaining the integrity of compressible biologically active materials during storage and especially during transportation is provided. These containers protect the materials from shock, vibration, deformation, or separation from agitation. The compressible materials may be in the form of synthetic fibers, and may include a composite of fibers and beads or granules. Suitable materials that may benefit from such a robust packaging structure include synthetic materials that comprise a biologically active ceramic or glass.