77 results about "Wound area" patented technology

The invention discloses an anorectal postoperative rehabilitation intelligent supervision method and system based on multiple modes, and belongs to the technical field of intelligent supervision. A temperature, humidity, air quality and other multi-mode sensor group is arranged in each anorectal postoperative rehabilitation management inpatient area, the body temperature, heart rate and wound surface images of a patient are synchronously collected, and the wound surface area and seepage color are extracted through image processing; the method comprises the following steps: by taking a time node as a unit, adding a time label to an environment and patient basic data set, constructing a multi-modal comprehensive data set in a unified format, calculating an environment comprehensive index and a physiological comprehensive index, fusing the environment comprehensive index and the physiological comprehensive index to calculate a postoperative rehabilitation risk value, setting a threshold interval to generate low, medium and high three-level risk labels, and the patient risk label set is pushed to the doctor end in real time, a dynamic supervision system is constructed, the anomaly recognition rate and the clinical response speed are improved, the complication occurrence rate is reduced, the rehabilitation period is shortened, and reliable data support is provided for nursing quality improvement and evidence-based medical research.

The invention discloses an image enhancement intelligent monitoring system for wound healing evaluation. The image enhancement intelligent monitoring system comprises an image acquisition module, an image optimization module, a feature hierarchical enhancement module, a clinical feature adaptive optimization module, a healing key index construction module and a wound healing monitoring module. The invention belongs to the field of image processing, and particularly relates to an image enhancement intelligent monitoring system for wound healing assessment, according to the scheme, a wound area is enhanced by introducing a percolate interference coefficient, a surrounding area is enhanced by introducing a skin tension coefficient, and the key clinical feature identification degree of wound healing is improved; based on dynamic optimization of credibility, setting a flexible critical value, and dynamically adapting to characteristic fluctuation rules of different wounds; the credible features are only subjected to local fine adjustment, and the low-credibility features are subjected to global gradient correction, so that abnormal value interference is avoided; through flexible mean value correction, a single error is smoothed and a dynamic trend is retained so that a wound healing evaluation monitoring effect is improved.

The invention belongs to the technical field of staging identification of stress injury, and particularly relates to a staging identification method of stress injury based on an intelligent image identification technology, which comprises the following steps: S1, multi-modal data acquisition and preprocessing: acquiring a time sequence image sequence of a target wound, the time sequence image sequence is a plurality of images shot for the same wound at different time points; collecting structured risk factor data of the patient; s2, wound area accurate segmentation and local feature quantification: using a semantic segmentation network to carry out pixel-level segmentation on each wound image; based on the segmentation result, objective biomarkers of the wound are quantitatively calculated; and S3, multi-dimensional image feature extraction: spatial feature extraction: using a deep convolutional neural network. According to the invention, the crossing from static evaluation to dynamic monitoring is realized, the perspectiveness and accuracy of staging are improved, and a multi-modal information fusion decision system is constructed, so that staging judgment is more in line with clinical logic.

The invention discloses a gel microneedle loaded with silver nanoparticles and a preparation method and application thereof.The extract nano-silver (AB-AgNPs) is prepared through a green synthesis strategy, a drug-loaded microneedle system is constructed based on carboxymethyl chitosan-vanillic aldehyde-polyvinyl alcohol (CMCS-Va-PVA) composite gel, the AB-AgNPs prepared through the technology are uniform in particle size and stable in dispersion, and the drug-loaded microneedle has the advantages that the drug-loaded microneedle is good in drug-loaded performance and good in drug-loaded performance; the crystal has a typical face-centered cubic crystal structure and metal state Ag0 characteristics; the gel microneedle has good mechanical strength and forming effect, the AB-AgNPs and the gel matrix are stably combined through hydrogen bonds, the chemical properties are kept unchanged, and the system has broad-spectrum efficient bacteriostatic activity and biocompatibility; an in-vitro experiment proves that the green synthesized gel microneedle loaded with the silver nanoparticles has a remarkable capability of promoting the healing of L929 cell tissues; a rat wound experiment proves that the gel microneedle can regulate and control an inflammatory factor network and promote cell migration and tissue regeneration, healing of common and infected wounds is remarkably accelerated, and the wound residue ratio in 9 days is as low as 2.7% and 10.9% respectively.

The invention discloses a diabetic foot ulcer monitoring and treatment evaluation device and method based on structured light imaging. The device comprises an image acquisition module, a mechanical arm module, a man-machine interaction module and an information processing module. The mechanical arm module comprises a multi-degree-of-freedom mechanical arm, the image acquisition module comprises at least one structured light image acquisition device, and the mechanical arm drives the image acquisition module to move, acquires three-dimensional point cloud images of feet from different angles and synchronously acquires space coordinates and deflection angles of the image acquisition module; and the information processing module is used for constructing a foot three-dimensional point cloud model by utilizing the three-dimensional point cloud image and the corresponding space coordinates and deflection angles, importing the foot three-dimensional point cloud model into the trained diabetic foot detection and treatment evaluation model for analysis, and displaying a prediction result through the man-machine interaction module. According to the method, the foot three-dimensional point cloud model is reconstructed, the reconstructed model is identified, the area, the volume and the position of the wound surface are evaluated, and then the treatment effect of the current mode can be evaluated.

The invention relates to a device that enables and accelerates wound healing by generating a controlled vacuum used in the healing of chronic and acute wounds and protects the wound area from external effects, and a method for operating said device.

According to the application of the arcangelisia loureiri extract in preparing the burn and scald wound healing medicine, the arcangelisia loureiri crude extract is obtained through extraction and concentration with a decoction method, and wound healing can be promoted by reducing the area of a rat skin wound, shortening the healing time of the rat skin wound, reducing the hyperplasia speed of the skin corium layer and promoting healing of the wound; the effects of remarkably promoting wound healing of burns and scalds and reducing scars are achieved.

This utility model relates to the field of negative pressure drainage technology, specifically a portable negative pressure drainage device, comprising a negative pressure source instrument, a dressing, and a drainage component. The negative pressure source instrument and the dressing are connected and cooperate through the drainage component to form a negative pressure environment to absorb fluid flowing from the patient's skin. The dressing includes a sponge layer, a baffle, and an adhesive layer. The adhesive layer adheres to the patient's skin, and the baffle corresponds to the wound area of ​​the patient's skin. The side of the baffle facing the patient's skin is used to place wet dressing medication, and the side of the baffle away from the patient is connected to the sponge layer. A gap exists between the side of the baffle facing the patient's skin and the patient's skin. The baffle is provided with ventilation holes to connect the gap between the sponge layer, the baffle, and the patient's skin. The sponge layer is used to absorb bodily fluids flowing from the patient's skin. This utility model utilizes the gap between the baffle and the patient's skin to reduce tearing of the patient's wound skin when changing or removing the dressing, thereby reducing the patient's pain.

The utility model discloses an intelligent mesenchymal stem cell local dosing device which comprises a gun body, and a bottle groove is formed in the gun body. A ball seat is arranged on the head of the gun body in a universal rotating mode and provided with a spray head. An administration module is arranged in the gun body, a liquid outlet of the administration module is communicated with the spray head through a flow guide pipe, and a liquid suction port of the administration module is communicated with an inner cavity of a medicine bottle mounted in the bottle groove; infrared scanning heads are arranged on the head portion of the gun body and located on the two sides of the spray head. The infrared scanning head is combined with the image analysis unit to carry out three-dimensional scanning and intelligent identification on a wound, a focus area model is generated in real time, an operator is allowed to carry out manual calibration through an angle-adjustable touch panel, accurate positioning of the area and shape of the wound is achieved, and operation is convenient. The problem that the coverage range of traditional local administration is not matched with the wound surface is solved.

The invention discloses a portable device for promoting wound healing by using hydrogen produced by electrolyzed water. The portable device comprises a hydrogen production mechanism, a conveying mechanism, a connecting mechanism and an application part, the hydrogen production mechanism comprises an electro-hydrolysis hydrogen production assembly and a storage assembly which are communicated with each other, the electro-hydrolysis hydrogen production assembly comprises a shell, the shell is divided into an anode chamber and a cathode chamber, the anode chamber is connected with the cathode chamber, a proton exchange membrane is arranged at the joint of the anode chamber and the cathode chamber, and catalytic electrodes are arranged on the two sides of the proton exchange membrane; a one-way circulation assembly is arranged on the top face of the shell and communicates with the anode chamber, and the cathode chamber communicates with the storage assembly. The conveying mechanism is tubular and is connected with the storage assembly and the connecting mechanism, and a gas on-off control device for conveying hydrogen is arranged in the conveying mechanism; the connecting mechanism is connected with the conveying mechanism and the pasting part. Hydrogen can be generated in real time under safe and controllable conditions, and the hydrogen can be accurately and directionally conveyed to a wound area.

A covering membrane for medical wound area treatment is disclosed for burns or for preventing adhesion. The covering membrane has a substrate layer including a polymer material as well as collagen particles which have a particle size I of more than 80 μm and are disposed in such a way as to be fixedly embedded in at least some portions of the polymer material of the substrate layer. The covering membrane further relates to a process for manufacturing such a covering membrane.

This invention discloses an adjustable pressure constant temperature wound irrigation device, belonging to the field of wound irrigation technology. It includes a constant temperature water tank, with a first connecting pipe fixedly connected to the output end of the water tank. A water pump is installed at one end of the first connecting pipe, and a second connecting pipe fixedly connected to the output end of the water pump. A fixed support is fixedly connected to the bottom of the second connecting pipe. A wound adaptor is also included, with the pressure adaptor disposed inside the fixed support for adapting to wounds of different lengths and adjusting the extension length of the water outlet. This invention, by incorporating a wound adaptor and precisely controlling the extension distance of the spray nozzle to match the wound length through motor start / stop, ensures that the irrigation water flow targets and covers the entire wound area, guaranteeing comprehensive and effective irrigation while avoiding irritation of surrounding healthy tissue. It also replaces manual adjustment, improving the accuracy, controllability, and standardization of operation, while reducing patient discomfort and balancing the effectiveness and comfort of the treatment procedure.

The invention relates to the technical field of medical disinfection equipment, in particular to a wound disinfection device for hand surgery, which comprises a base, the upper surface of the base is provided with a sliding groove, one side of the base is provided with a motor, the output end of the motor is fixedly connected with a screw rod, the outer side wall of the screw rod is in threaded connection with a sliding block, and the sliding block is in threaded connection with the sliding groove. The sliding blocks are slidably connected to the inner side walls of the sliding grooves, and the tops of the sliding blocks are fixedly connected with a shell. An opening is formed in the outer side wall of the shell, a first camera is installed on the inner side wall of the shell, a first mechanical arm is installed on the inner side wall of the shell, the double mechanical arms cooperate to complete the whole process of cleaning, wiping and spraying disinfection, manual operation of medical staff is not needed, and the disinfection efficiency is improved; the electric push rod can adjust the disinfection height according to the requirements of users, a distance sensor and double cameras are used for real-time monitoring and positioning, the operation precision of the mechanical arm is improved, it is ensured that the disinfection action accurately acts on a wound area, and omission and excessive wiping are avoided.

The invention discloses a machine vision-assisted diabetes wound image noise suppression method and system, and relates to the technical field of medical imaging, and the method comprises the steps: extracting reflective image features of a reflective region of a diabetic foot wound image; analyzing and determining a reflection interference type; if the reflection interference type is percolate reflection, performing wound surface area calculation error prediction based on reflection image features; and formulating an adaptive image denoising mechanism according to the predicted area error, and performing reflective noise suppression processing on the diabetic foot wound image. The technical problem that an existing diabetic foot wound image noise suppression method cannot effectively solve interference caused by light reflection of a wound area, and consequently the calculation accuracy of the wound area is insufficient is solved.

The invention discloses a neurotumor postoperative rehabilitation nursing device, which comprises an elastic net cap, an elastic net cap, a main body frame assembly, an elastic net cap, a rehabilitation nursing device, a rehabilitation nursing device and a rehabilitation nursing device, the elastic net cap is provided with air holes, and the main body frame assembly is arranged below the elastic net cap; a limiting rod is slidably arranged on the main body frame assembly, one end of the limiting rod is fixedly connected with a push plate, and the front surface of the push plate is fixedly connected with a supporting soft cushion; by means of the components, the driving sleeves are rotated to be connected with the winding sleeves, the frame can be contracted and expanded to be matched with the head shape and edema changes, the threaded sleeves are connected, pressure can be adjusted in a partitioned mode (pressurization of an edema area and pressure reduction of a wound area), the device does not need to be replaced, and the wound problem is avoided; the U-turn surrounding / pressure regulating function shares the driving sleeve, operation can be conducted only by rotating the sleeve, extra parts are not needed, the device is suitable for patients and medical care, and errors are avoided.

This invention discloses an integrated method and system for wound area recognition and recovery time prediction. Belonging to the interdisciplinary fields of medical image processing, artificial intelligence, and clinical nursing, this invention aims to solve the problems of low segmentation accuracy, subjective recovery time prediction, and low operational efficiency caused by the separation of wound recognition and recovery time prediction in traditional wound assessment methods. The key technical points are: employing optimized U-Net++ network technology to achieve accurate wound segmentation, then fusing multi-dimensional features with an XGBoost model to predict recovery time, and integrating image acquisition, processing, quantification calculation, and result output functions. This system is adaptable to various scenarios such as hospital clinical assessment and home nursing monitoring, providing objective and quantifiable assessment data for acute and chronic wounds such as trauma and pressure ulcers. Simultaneously, it achieves integrated processing of wound condition assessment and recovery prediction, significantly improving the accuracy and efficiency of nursing work.

This application relates to the field of medical devices and discloses a wound cleaning device for orthopedic care. The device includes a cleaning bed; a drainage pipe disposed at the bottom of the cleaning bed; a pump assembly and a reciprocating sliding assembly disposed on the cleaning bed; an arc-shaped cleaning disc disposed within the reciprocating sliding assembly and communicating with the pump assembly; detection components disposed on both sides of the arc-shaped cleaning disc; a drive assembly, a positioning assembly, and a dispensing assembly disposed within the arc-shaped cleaning disc, with the drive assembly connected to the positioning assembly; the dispensing assembly contains multiple arc-shaped baffles, a lifting assembly, and a pulse cleaning assembly; and a conversion assembly disposed within the drive assembly. This cleaning device allows for convenient activation of the corresponding drive assembly to form a medication path based on the wound area, preventing medication from spraying onto surrounding healthy tissue, reducing medication waste, and minimizing patient discomfort.

A coil can comprise a coil former and a wire. The coil former can have a body with a cylindrical surface, a flange, a notch, and a wire holder located in a space outside the flange. The wire holder can have a slot opening to the space outside the flange, the slot being wider than the diameter of the wire, and a retaining wall in which the slot is formed. The wire can have a retaining area located in the space outside the flange, in which the retaining area is a portion of the wire formed in at least one loop, an intermediate area extending from one end of the retaining area and passing through the slot to reach a space inside the flange, and a wound area extending from one end of the intermediate area and wound around the cylindrical surface.

The utility model provides tire big polishing equipment pressure regulating device, including base, be provided with processing support on the base, be provided with connecting rod on the processing support rotation, the connecting rod end is provided with the expansion rim, still be provided with the polishing equipment of tire polishing on the base, be provided with the air pump on the base, be installed with pressure regulating device through quick detach assembly on the processing support, and the pressure regulating device is connected with the air pump through the trachea, the pressure regulating device includes installation box, the inside installation box is provided with pressure regulating valve, and the pressure regulating valve is linked with the trachea, be provided with the adjusting knob of pressure regulating valve for controlling on the installation box, still be provided with the pressure gauge that communicates with the pressure regulating valve on the installation box. Set up a set of pressure regulating device on the trachea, can according to demand and adjust high air pressure to make the tire inflation when the pressure in tire rises to critical threshold, the dark wound area that the tire exists is convenient for the intuitive detection, improves dark wound detection rate greatly.

Drainage device, comprising a vacuum pump (1), a suction line (2) connected to this vacuum pump (1), a gas-tight liquid collection container (6) which is connected to the suction line (2) and serves to reliably maintain the negative pressure and to collect extracted liquid, a suction pipe (5) which is connected to a rear area of ​​a hollow cover element (3) which is open at its front and which opens into the liquid collection container (6) at its end facing away from the cover element (3), characterized by the fact that the cover element (3) has a sponge pad (4) at its front opening, wherein the sponge pad (4) absorbs fluid from the wound area and distributes a negative pressure evenly, wherein the negative pressure generated by the vacuum pump (1) via the suction line (2) first reaches the fluid collection container (6) and from there is directed via the suction tube (5) to the cover element (3) and further to the sponge pad (4), while the fluid absorbed from the wound area is transported via the sponge pad (4) and through the suction tube (5) into the fluid collection container (6).

Wound healing is a process by which these wounds on the skin of a subject heal and eventually close. When the injured surface is large, becomes infected, or in patients with poor healing capacity such as diabetics or the elderly or bedridden patients, then wound healing can be prolonged and lead to chronic ulceration and further complications with even limb loss or increased morbidity and mortality. This invention is directed to a topical formulation for promoting wound healing, and wound dressings and bandages comprising the same.

The invention relates to a circuit system for medical treatment and a control method thereof. The circuit system comprises a control circuit and at least one flexible patch circuit, the flexible patch circuit comprises an image acquisition module and a physical stimulation module, and the image acquisition module is used for acquiring image information of a coverage area of the flexible patch circuit; the control circuit is used for judging whether the coverage area is a wound area according to the image information. According to the invention, image acquisition is carried out on the area covered by the flexible patch circuit through the image acquisition module, whether the wound exists in the covered area is determined through the control circuit, and physical stimulation capable of promoting wound healing is provided for the covered area through the physical stimulation module under the condition of determining that the wound exists, so that wound healing is promoted. And under the condition that the control circuit determines that the wound is healed according to the acquired image information, the physical stimulation module can be controlled to stop applying physical stimulation, so that an uninjured area is prevented from being injured due to continuous physical stimulation.

The present application relates to a kind of topical administration dressing system for preventing infectious disease after wound exposure, including patch carrier and the drug depot module arranged on the patch carrier, the patch carrier can be applied to the skin area of wound area or around wound, the drug depot module is loaded with immunologically active component, and in the application state, the immunologically active component is delivered to the body by local release or puncture delivery mode, to induce immunoprotection.The drug depot module is replaceable or non-replaceable delivery module structure, can be selectively configured as drug sustained-release dressing structure, microneedle array structure, lyophilized soluble microneedle structure and split microneedle structure including peripheral support needle and internal drug-loaded needle.The topical administration dressing system can realize the preventive treatment after wound exposure without injection, with the advantages of convenient to use, strong scene adaptability and flexible delivery mode.

The invention belongs to the technical field of orthopedic cleaning, and particularly relates to orthopedic wound cleaning and nursing equipment which comprises a cleaning sleeve, a back flushing ring and a cleaning ring are coaxially and fixedly connected to the inner circumferential wall of the cleaning sleeve, and a water inlet valve is fixedly connected to the outer circumferential wall of the cleaning sleeve. The output end of the water inlet valve is communicated with the backflushing ring and the cleaning ring, the input end of the water inlet valve is communicated with an external water pump, and the cleaning sleeve is fixedly communicated with a drainage pipe. Local isolation of a wound area is achieved through the symmetrically-arranged constraint air bags, a self-adaptive pressure switching mechanism composed of a moving plate, a blocking plate and a spring in the water inlet valve is used in cooperation with a back-flushing ring above the cleaning spray head, when the spray head is blocked, channels are automatically switched, reverse spraying is conducted, and blockages are removed; a liquid level monitoring mechanism composed of the floating plate and the touch switch is used for automatically closing the electromagnetic valve and the water pump when drainage is blocked.

The invention relates to the technical field of nursing rehabilitation, in particular to a wound surface treatment device which comprises a positioning plate and an adjusting plate rotationally mounted on the positioning plate, and positioning bandages are arranged on the two sides of the adjusting plate; the treatment machine body is arranged in the middle of the adjusting plate; the treatment heads are arranged on the inner side of the liquid medicine transfer room; the film electrode is arranged on the acoustic transmission microwell plate and is electrically connected with the high-voltage driving circuit; the imaging and distance measuring module is arranged on one side in the treatment machine body; and the controller is based on the imaging and distance measuring module and controls the treatment head to perform directional injection and power adjustment on the target area. Compared with the prior art, the treatment head is arranged to be matched with a wound surface characteristic partition self-adaptive energy allocation strategy, accurate differentiation treatment of wound surface areas with different characteristics can be achieved, and the comprehensive effect of sterilization and debridement, tissue regeneration and epithelium repair is effectively improved.

The utility model relates to the field of medical instruments, in particular to a disposable indwelling drainage catheter bag which comprises a guide wire, a drainage catheter and a sterile application. The drainage tube penetrating into the body of the patient and the skin of the patient are relatively fixed through the arrangement of the sterile application, the drainage tube is fixed through the cooperation of the balloon and the sterile application, and compared with the prior art that an indwelling drainage catheter and the surrounding skin are fixed together through sutures, the pain of the patient is reduced; meanwhile, the situation that the wound infection risk is increased due to the fact that the wound area is increased through sutures is reduced.

The utility model relates to intramedullary nail technical field, especially place formula bone lengthening intramedullary nail, including fixed part and moving part, the inside of fixed part is equipped with accommodating cavity, is equipped with with the in-vivo driven element of in-vitro driving element cooperation use in accommodating cavity, in-vivo driven element is connected transmission rod to one end of moving part close, transmission rod one side close moving part is equipped with at least one speed reducer assembly, speed reducer assembly includes the rotation cylinder of screw connection in the inner wall of accommodating cavity, transmission rod one end is connected drive gear and penetrates into the rotation cylinder inside, drive gear engages several driven gears with the diameter greater than drive gear, the inner tooth ring that is equipped with with driven gear cooperation on the inner wall of rotation cylinder, rotation cylinder is connected in moving part to one end rotation far from in-vivo driven element. By this, the utility model can reduce the wound area on the patient's limbs under the premise of promoting the normal growth of the patient's broken bone, and the operation is simple, convenient to use.

The application discloses a kind of chronic wound full-automatic handheld measuring equipment based on RGB-D camera, belong to chronic wound measurement technical field;Among them, image acquisition pre-processing module is used to control RGB-D camera to gather a group of color images and depth images of the wound to be measured, and record camera internal parameter, and bilateral filtering processing is carried out to depth image;Wound area segmentation module is used to adjust the size of color image after normalization, input into pre-trained wound segmentation model, obtain the mask of wound area, multiply the corresponding pixel points in depth image and mask, obtain the depth image of wound area;Wound area calculation module uses wound area depth image and camera internal parameter to calculate the area of wound area using the method based on wound area edge or based on wound area surface;Compared with other measuring equipment and method, the degree of automation is high, without human providing label, without placing marker, the measurement accuracy is high, miniaturization and low cost.

The invention relates to the technical field of nursing devices, in particular to a local burn part overhead nursing protection frame for burn patients, which comprises a protection sleeve, an emptying groove is formed in the protection sleeve, and two supporting rings are symmetrically and fixedly connected to two ends in the protection sleeve. The shank is placed through the two supporting rings, the wound part is forced to be placed above the empty groove, it can be guaranteed that the wound is not contacted, compression is prevented, the air bag ring and the protective air curtain are forced to expand through the micro high-pressure air pump, the fixed position of the shank is flexibly wrapped and fixed, and serious discomfort caused by rigid connection is prevented; the connecting pipe is used for receiving airflow flowing out continuously from the empty groove, the fan blades are blown to drive the rotating shaft to rotate, the gear ring can be driven to rotate, the connecting box is forced to drive the massage head to rotate in the annular groove, the fixed position of the shank can be massaged continuously and automatically, work is convenient, and discomfort is further relieved.

The invention relates to the technical field of wound repair analysis, in particular to an artificial intelligence assisted traditional Chinese medicine transdermal preparation wound repair path optimization system. The system obtains an RGB image of a wound area of a patient in real time; obtaining feature vectors according to the size, color and texture of the wound area; acquiring wound feature acceleration according to data change conditions in the feature vectors at each moment and the adjacent moment; according to the wound feature acceleration and the replacement condition of the traditional Chinese medicine transdermal preparation types of historical patients, the optimal curative effect interval and the curative effect degree of the traditional Chinese medicine transdermal preparation combination are obtained, and then the wound information of the current patient and the use condition of the traditional Chinese medicine transdermal preparation are combined; and obtaining the optimal traditional Chinese medicine transdermal preparation type and the optimal replacement opportunity window of the next stage of the current patient. According to the method, the optimal curative effect interval and the curative effect degree of each traditional Chinese medicine transdermal preparation combination are accurately obtained, so that the accuracy and the efficiency of predicting the wound repair path of the current patient are effectively improved.