31 results about "Wound monitoring" patented technology

As may be implemented with one or more embodiments herein, aspects of the disclosure are directed to an apparatus having one or more sensor circuits and a wound-characterization circuit that generates data that characterizes a condition of the wound based on physiological characteristics detected by the sensors. A wireless communication circuit wirelessly transmits the characterization data, which can be carried out while the wound is covered. In various implementations, an integration circuit (e.g., connecting circuitry and / or a chip) includes the wound-characterization circuit and the sensor circuit, and further couples to a wound dressing for sensing the different physiological characteristics of the wound while the wound dressing covers a portion of the wound from which the different physiological characteristics are sensed.

The invention discloses a C-SF-FA flexible conductive film based on silk fibroin and a monitoring sensor made of the C-SF-FA flexible conductive film. The C-SF-FA flexible conductive film is preparedby the following steps of: 1) degumming silk, dissolving the silk in a salt-formic acid system to obtain a silk fibroin solution, performing drying to obtain silk fibroin, soaking the silk fibroin indeionized water, and dissolving the dried silk fibroin in formic acid again to obtain an SF-FA electrospinning solution; 2) dissolving dopamine in water, and adding carbon nanotubes to obtain a DA-CNTsolution; (3) preparing the SF-FA electrospinning solution into a flexible film through electrospinning, and spraying the DA-CNT solution onto the film for multiple times in the electrospinning process; airing the film to obtain a C-SF-FA conductive film; and 4) adding DA and CNT into an alkaline solution to obtain a PDA-CNT solution, soaking the C-SF-FA conductive film in the PDA-CNT solution, performing cleaning and drying, conducting soaking in an ethanol or methanol solution, and performing drying.

In some embodiments, a wound dressing that incorporates a number of sensors or sensors separate from the wound dressing can be utilized in order to monitor characteristics of a wound as it heals or toidentify one or more risk factors or conditions that may precipitate a wound. In some implementations, a wound dressing configured to be positioned in contact with a wound includes a substantially flexible substrate supporting one or more sensors. The one or more sensors can include temperature sensors, conductivity sensors, multispectral optical measurements sensors, pH sensors, pressure sensors, colorimetric sensors, optical sensors, ultraviolet (UV) sensors, or infrared (IR) sensors.

A non-invasive tissue oxygenation system for accelerating the healing of damaged tissue and to promote tissue viability is disclosed herein. The system is comprised of a lightweight portable electrochemical oxygen concentrator, a power management system, microprocessors, memory, a pressure sensing system, an optional temperature monitoring system, oxygen flow rate / oxygen partial pressure monitoring and control system, a display screen and key pad navigation controls as a means of providing continuous variably controlled low dosages of oxygen to a wound site and monitoring the healing process. A kink resistant oxygen delivery tubing, whereby the proximal end is removably connected to the device and the distal end with holes or a flexible, flat, oxygen-permeable tape is positioned at or near the wound bed as a means of applying near 100% pure oxygen to the wound site. The distal end of the tube is in communication with the electrochemical oxygen concentrator and wound monitoring system to communicate oxygen partial pressure and, where appropriate, temperature information. A moisture absorbent dressing is positioned over the distal end of the tubing at the wound site and a reduced moisture vapor permeable dressing system is positioned whereby covering the moisture absorbent dressing, distal end of tubing and wound site creating a restricted or occluded airflow enclosure. The restricted airflow enclosure allows the out-of-the-way control and display unit to provide a controlled hyperoxia and hypoxia wound site for accelerated wound healing.

A wound monitoring and / or therapy system can include a substantially stretchable substrate supporting a plurality of electronic components, including sensors, and a plurality of electronic connectionsthat connect at least some of the electronic components. The electronic components can also include a circuit board supporting at least one controller configured to control at least some of the sensors, the circuit board configured to operate without failure when the substrate is flexed as a result of strain. A calibration track can be positioned on the substrate and connected to a monitoring circuit configured to measure a change in resistance of the calibration track indicative of resistance change of at least some of the plurality of electronic connections. The system can include a controller with a circuit board supporting a plurality of electrical components and an antenna configured to communicate with the substrate, the antenna at least partially enclosing the circuit board.

The present invention discloses applications of porous silicon particles in visualization monitoring of the wound pH value. According to the present invention, biological non-toxic porous silicon particles exhibit different fluorescence luminescent kinetic characteristics under different pH value environments, wherein different fluorescence luminescent characteristics under different pH value conditions are exhibited so as to be visible to naked eyes, the visualization monitoring is achieved, and the complex signal transmission equipment is not required so as to provide practicality and convenience; and the fluorescent material has the nano-scale pore channel structure and has the drug loading function, such that the drug can be released to treat the wound during the degradation of the material so as to simultaneously achieve the drug loading and the wound monitoring.

In some embodiments, a wound monitoring and / or therapy apparatus can include a wound dressing configured to be positioned over a wound. The wound dressing can support one or more sensors. The one or more sensors can include an optical sensor array cluster, which can include an optical sensor and single light source. In some embodiments, the wound dressing can include a substantially stretchable wound contact layer that includes a wound facing side and a non-wound facing side opposite the wound facing side, the wound facing side configured to be positioned in contact with a wound. The non-woundfacing side of the wound contact layer can support a plurality of electronic components and a plurality of electronic connections that connect at least some of the plurality of the electronic components. The electronic components can include one or more sensors configured to obtain measurements of the wound or the periwound, or both.

A wound bleeding monitoring system (10) and method, for use in a smart monitoring terminal (1) worn on the body of a wounded patient, the smart monitoring terminal (1) being wirelessly connected to a smart gauze (2). The present wound bleeding monitoring system (10) and method can monitor in real time the wound bleeding condition and the physical state of the wounded patient, can assess the amount of bleeding of the wounded patient on the basis of the wound bleeding condition and the physical state of the wounded patient, and can produce different levels of warning information on the basis of the wound bleeding condition of the wounded patient. The monitoring system (10) and method can implement real-time monitoring of the wound bleeding condition, facilitating early detection of blood loss and reducing the risk to the patient due to blood loss; the wound monitoring workload of medical staff is reduced and the utilisation rate of medical staff is improved; and timely monitoring of the internal bleeding condition of a wounded patient improves the likelihood of internal bleeding being discovered.

In some cases, a wearable wound monitoring and / or treatment system can include a substantially flexible substrate configured to be positioned in a wound of a patient, the substantially flexible substrate supporting at least one of a sensor configured to monitor a physiological parameter of the wound or a transducer configured to treat the wound. The system can include a power source configured to provide power to the at least one of the sensor or transducer. The power source can be separated from a nearest electrically conductive part of a plurality of electrically conductive parts at least by a first minimum distance measured along a surface of insulating material at least partially supporting the power source and the plurality of electrically conductive parts, and the power source separated from the nearest electrically conductive part by a second minimum distance measured through air.

The invention relates to the technical field of wound surface repairing, in particular to a self-adaptive wound surface monitoring and repairing system which comprises an ultrasonic module, a dressing body, a control module, a cloud platform and an intelligent terminal, the ultrasonic module is used for wound surface detection and wound surface sterilization treatment, and a detection module is installed in the dressing body; the detection module comprises a humidity unit, a temperature unit, a microorganism unit and an oxygen content unit, output information of the detection module is transmitted to the control module, and the control module comprises an information collection module, a storage module, a matching module, a processing module, an arrangement module and an information transmission module. The invention aims to provide the self-adaptive wound monitoring and repairing system which has the advantages of observing the wound condition after dressing and self-upgrading and perfecting.

The subject invention provides sensor systems that can detect biomarkers related to wound healing (e.g., uric acid, adenosine, arginine and / or xanthine). In one embodiment, the subject invention pertains to materials and methods for monitoring biomarkers non-invasively in a wound and a biofluid (e.g., sweat) in the proximity of the wound, optionally, including other physiological fluids. Skin based, non-invasive enzymatic electrochemical biosensor on a wearable platform (e.g., sweat patch) that can evaluate the healing of wounds through assessment of its biomarker levels are provided. This non-invasive detection from physiologically biofluids can reduce or eliminate occlusion effects.

Devices and methods for encapsulating a portion of a wound dressing with a coating are disclosed. In some embodiments, a method can comprise positioning a substantially flexible wound contact layer of the wound dressing on a perforated plate. The wound contact layer can include a first side supporting a plurality of electronic components protruding from a surface of the first side and a second side opposite the first side. The second side can be substantially smooth. The method can further comprise applying a vacuum to the wound contact layer through perforations in the perforated plate to hold the wound contact layer against the perforated plate and coating the wound contact layer with a coating.