31 results about "Wound monitoring" patented technology

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 to identify 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.

An apparatus for monitoring neural response and / or providing treatment includes an electrical stimulator configured to apply electrical stimulation, and one or more processors configured to analyze stimulation response. The one or more processors can be further configured to operate the electrical stimulator, adjust the electrical stimulation, and determine one or more wound characteristics based at least in part on at least one of the electrical stimulation or the stimulation response, e.g. a movement of a patient, a color absorption characteristic, or other physiological responses. An indication of the one or more wound characteristics can be provided.

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.

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.

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.

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.

The invention provides a separate wound monitoring system based on medical dressings, which comprises a data acquisition module, a data transmission cable and a data processing module. The data acquisition module based on a flexible circuit board and the data processing module are respectively placed on the two sides of a medical dressing, and are connected through the data transmission cable penetrating the medical dressing. By separating the data acquisition module based on a flexible circuit board from the data processing module, the data processing efficiency can be improved, the rate of finished products can be improved, and the manufacture cost can be reduced. The attachment area of the monitoring device on a wound is reduced, and the discomfort of patients is alleviated. Moreover, various wound indicators can be monitored, which is conducive to the accurate monitoring of the recovery of a wound and helps doctors to make diagnosis in time.

In some embodiments, a wound monitoring and / or therapy apparatus includes a wound dressing configured to be positioned in contact with a wound, the wound dressing comprising one or more sensors configured to obtain measurement data of at least one of the wound or periwound. The apparatus can also include a controller configured to maintain a device clock indicative of a non-real time clock, receive measurement data obtained by the one or more sensors, and transmit measurement data to a remote computing device according to a security protocol, the security protocol comprising including the device clock associated with the measurement data in the transmission.

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 connections that 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 invention discloses a nursing device used for hand wound monitoring treatment, and belongs to the technical field of medical instruments. The nursing device used for hand wound monitoring treatment mainly comprises a box, a medicine mixing device, a wound detecting device, a wound disinfection treatment device, a control device and a power supply device. The wound detecting device comprises ahand supporting block, a wound ultrasonic detection instrument and a connection block, and the wound disinfection treatment device comprises a wound disinfection device and a drying device. Accordingto the nursing device used for hand wound monitoring treatment, a wound of a patient is disinfected and cleaned by means of the wound disinfection treatment device, the drying device dries the hand wound of the patient, a wound detecting hood is used for conducting comprehensive scanning detection on the hand wound of the patient, and the wound is treated according to a scanning result. The nursing device used for hand wound monitoring treatment is simple in structure, convenient to operate, and suitable for a large number of popularization.

The invention discloses a wound monitoring method and device. Thus, a wound image isolated by a binding material is more suitable for being observed by human eyes and suitable for subsequent diagnosing, tracking and early warning. Wound image data is monitored through the binding material of a permeable nylon or mixed cotton fabric, a gray-level-enhanced image is obtained by preprocessing the infrared wound image through a gray level enhancing method, finally clearness treatment is conducted on the image, an algorithm is simple, the anti-noise capacity is high, fuzzy shadows generated by uneven infrared reflection can be well removed, the original style of the wound image can be well kept, the image is clearer in details, features in the image are well enhanced, the visual effect is more satisfactory, and the visual effect of the infrared image is greatly enhanced.

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-wound facing 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.

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.

Embodiments of apparatuses and methods for determining an emplacement of sensors in a wound dressing are disclosed. In some embodiments, a wound dressing includes a plurality of sensors configured tomeasure wound or patient characteristics. One or more processors are configured to receive wound or patient characteristics data as well as emplacement data. The received data can be used to determinean emplacement of the plurality of sensors, the wound dressing, or a wound. The sensors can include a set of nanosensors. The wound dressing can include pH sensitive ink which can be utilized for determining a placement of the wound dressing and determining a pH associated with the wound. The wound dressing can be used in a negative pressure wound therapy system.

Embodiments of apparatuses, systems, methods for monitoring wound pH are disclosed. In some embodiments, a wound dressing includes one or more optical sensors configured to measure a change in color of a pH-sensitive adhesive that changes color in response to changes in wound exudate pH. In some embodiments, the wound dressing may further comprise hydrophilic channels that direct wound exudate toa pH-sensitive material over the optical sensors. Such dressings may also be used in combination with a negative pressure wound therapy system.

A wound monitoring and / or therapy apparatus can include multiple sensor circuits, a selection circuit coupled to each sensor circuit, and a processor configured to be in communication with the selection circuit. Each sensor circuit can process multiple sensor signals to generate a single output signal from the multiple sensor signals. Each of the sensor signals can correspond to a measurement of a sensor positioned on a substrate that is configured to be positioned at least partially in a wound. The selection circuit can receive the single output signals from the sensor circuits and outputs a selected single output signal. The processor can receive the selected single output signal and decomposes the selected signal output signal into the multiple sensor signals used to generate the selected single output signal. The processor can activate sensors and receive sensor data from the sensors. The processor can digitize the sensor data and transmit the digitized sensor data to a remote controller.

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 discloses a method and a system for monitoring a wound state. According to the method, related physiological data of a wound surrounding area and a reference area are extracted from image data, further processed and then input into a wound state classification prediction model for wound state judgment, and wound state monitoring is achieved. The system comprises a wound monitoring device and a wound state detection server, the wound monitoring device comprises a double-camera video image acquisition unit, a temperature measurement and calculation unit, a physiological data extraction unit, a first communication unit and a display unit; the wound state detection server comprises a second communication unit, a wound state classification prediction model construction unit, a wound state evaluation unit and a storage unit. The physiological data of the skin around the wound are monitored through a non-contact method to judge the wound state, on the premise that wound exposure is reduced, abnormal wounds can be found as soon as possible, especially the problems of early infection of the wounds, poor blood circulation of the wounds and the like, and medical staff can conveniently adjust a treatment scheme in time.

The invention provides a microfluid self-conduction wound monitoring type intelligent dressing and a preparation method thereof.The microfluid self-conduction wound monitoring type intelligent dressing comprises a transparent dressing patch, a pH sensor unit and a wound contact dressing, the pH sensor unit is composed of a pH response module, a micro-channel module and fluid conduction fibers, the fluid conduction fibers are embedded in a micro-channel of the micro-channel module, and the wound contact dressing is arranged in the micro-channel module; and the pH sensor is compounded with the pH response module to form a pH sensor unit capable of realizing fluid self-conduction. Compared with the prior art, the intelligent dressing provided by the invention realizes the continuous response of the pH signal through the self-transmission of the fluid in the micro-channel of the pH sensor unit, improves the sensitivity of the monitoring response, can avoid the influence of dressing environmental factors, can accurately monitor the pH change of a wound in real time on the basis of meeting the wound nursing requirement, and has a good application prospect. The infection information of the wound is fed back, rapid and instant treatment can be adopted, and therefore serious infection of the wound is avoided, and the wound dressing has a good application prospect in the aspect of wound dressings.

Methods of manufacturing a wound monitoring and / or therapy apparatus and / or wound dressing include positioning electronic components and connections in regions of a substrate that are not configured to be perforated. The methods can also include following a set of rules for positioning the components as well as positioning and shaping the connections based on the constraints stemming from, among other things, the positioning of the perforations on the substrate and with the goal of maintaining acceptable levels of signal integrity. The methods further include manufacturing a multi-layered substrate. Wound monitoring and / or therapy apparatus manufactured using such methods are also disclosed.

The invention discloses a non-invasive monitoring probe for an in-vitro wound. The monitoring probe comprises outer-edge metallic pole plates and a medium substrate and further comprises central metallic conducting bands, wherein the outer-edge metallic pole plates are located on the medium substrate, the central metallic conducting bands are arranged on the outer-edge metallic pole plates, and gaps are reserved between the central metallic conducting bands and the outer-edge metallic pole plates; and via holes are separately formed in the two ends of each metallic conducting band, the two ends of each outer-edge metallic pole plate and the two ends of the medium substrate, so as to form coaxial-feed excitation ports. The invention further discloses an in-vitro wound monitoring method for the monitoring probe. According to the monitoring method, the probe is connected with a vector network analyzer during measuring, major parameters are extracted from measurement parameters through a specific conversion relationship and a circuit analysis model, and a state of the wound can be discriminated and analyzed based on the parameters.

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.