88 results about "Healing time" patented technology

The invention discloses an operation and maintenance fault self-healing system and method based on an AI algorithm. The system comprises a data acquisition module, a data preprocessing module, an anomaly detection module, a root cause analysis module, a self-healing strategy generation module and an automatic execution module. The method comprises the following steps: S1, collecting user system data and preprocessing the collected data; s2, performing anomaly detection on the preprocessed data information, and performing root cause analysis on the detected abnormal data; and S3, generating an optimal self-healing strategy based on the fault root cause and the user system data, and then executing the optimal self-healing strategy. According to the method, the AI algorithm is used for automatically analyzing the monitoring data and automatically restarting the fault application, so that the operation and maintenance efficiency is greatly improved, the fault positioning efficiency is greatly improved, the fault recovery time is greatly shortened, and the system availability is greatly improved.

This invention relates to an ultrasonic bone scalpel and an ultrasonic cutting device, belonging to the field of medical device technology. The ultrasonic bone scalpel is used to cut bone tissue from within the medullary cavity, and includes an ultrasonic scalpel body and a retaining assembly. The ultrasonic scalpel body includes a handle and a cutting head mounted on one end of the handle. The retaining assembly includes a pressure bladder mounted on the handle, with the pressure bladder and cutting head arranged radially opposite each other along the handle. The pressure bladder is capable of expanding or contracting. The ultrasonic bone scalpel provided by this invention utilizes the expansion of the pressure bladder to provide continuous cutting pressure based on the cutting action of the ultrasonic scalpel body, reducing the cutting wound on soft tissue, thereby protecting soft tissue while satisfying bone tissue cutting requirements. Furthermore, because this ultrasonic bone scalpel cuts from the inside out of the medullary cavity, it avoids external damage to soft tissue, thus reducing the cutting wound on soft tissue and further protecting it. Therefore, when the cutting wound on soft tissue is reduced, the risk of intraoperative infection is correspondingly reduced, and the healing time is shortened.

The invention relates to the technical field of automatic feeding, in particular to special automatic feeding equipment for Plasma, which comprises a fixing frame, a first plate feeding device, a second plate feeding device, a plugging and unplugging device, a transmission device and a distributed cooperative control system are arranged on the fixing frame, and the devices are electrically connected with a central controller; the first plate feeding device and the second plate feeding device are arranged side by side, the plugging and unplugging device is located on one side of the second plate feeding device, and the conveying device passes through the lower portion of the plugging and unplugging device. The distributed cooperative control system comprises a distributed control node triggered by a dynamic event, a digital twin cooperative optimization platform and a fault-tolerant self-healing module. And the distributed control node optimizes an actuator action strategy through a reinforcement learning algorithm. Plugging positioning precision of a clamping plate frame reaches + / -0.02 mm, the dislocation rate of a PCB is smaller than or equal to 0.1%, efficiency is optimized, production changing time is shortened by 83%, productivity is improved by 25%, reliability is enhanced, single-node fault recovery time is smaller than or equal to 5 s, and system availability is larger than or equal to 99.99%.

The invention discloses a method and a device for acquiring parameters of an internal fracture fixation system, and relates to the technical field of medical data processing. Constructing a digital model of the skeleton and the surrounding soft tissue based on the three-dimensional scanning image by utilizing a biomechanical principle; using a machine learning algorithm to train the historical case data, and generating a preliminary internal fixed parameter prediction model; applying the preliminary parameters to a digital model for simulation verification, and optimizing the internal fixed parameters to an optimal combination; performing personalized adjustment on the simulation result according to individual differences of patients and experience of clinical doctors; the state of the internal fixation system is monitored in real time in the operation process, and parameter fine adjustment is conducted according to feedback; the fracture healing condition is regularly evaluated after the operation, and the internal fixation parameters are adjusted according to the evaluation result. Through personalized and precise internal fixation parameter setting, a good mechanical repair environment is created for a fracture part, bone cell proliferation and ordered growth of callus are promoted, and the healing time is effectively shortened.

The invention discloses an intelligent power distribution system line fault positioning and self-healing method which is realized based on a multi-module intelligent power distribution system. A1, the data acquisition module acquires multiple parameters and preprocesses the parameters; a2, a fault positioning module positions a fault point with the error smaller than or equal to 50 m and classifies fault types; a3, the self-healing control module is switched off within 30 ms and reconstructs the power distribution network within 30 seconds; and the A4 cooperative control module realizes distributed cooperative control and optimizes a self-healing strategy. Through the technologies of multi-sensor fusion, edge calculation, deep learning and the like, the problem that the self-healing success rate of the 10kV distribution network line in the harbor district is low is solved. According to the method, the self-healing success rate can be improved, the fault positioning and recovery time can be shortened, the power failure loss can be reduced, the operation and maintenance cost can be reduced, and the reliability and intelligent level of a power distribution system can be improved.

The invention relates to the technical field of wound surface treatment, in particular to a traditional Chinese medicine and VSD drainage combined wound surface repairing method and system, and the method comprises the following steps: based on a wound surface image of a patient, analyzing the image, recognizing the edge position of a wound surface, and evaluating the size of the wound surface through the area and shape of the wound surface to obtain a wound surface size evaluation result. According to the method, by evaluating the size of the wound surface, combining the characteristics of the wound surface, evaluating the matching degree of the traditional Chinese medicine repair liquid and considering the cost of the traditional Chinese medicine repair liquid, the traditional Chinese medicine repair liquid with high cost effectiveness is selected and used, the economic efficiency of medical resources is improved, and a proper VSD device is selected according to the size of the wound surface, so that the medical cost is reduced; by comparing treatment records of similar wounds and combining individual differences of patients, the recovery time is analyzed and predicted, and the dismounting time of the VSD device is determined, so that the individualization and timeliness of treatment are improved, and the treatment efficiency and the satisfaction degree of the patients are improved.

The invention discloses a composition containing a polypeptide exosome and application of the composition in preparation of a product with skin repair ability, and particularly relates to the technical field of biology, the composition comprises polypeptide-exosome composite nanoparticles, and a polypeptide containing a GRGDS motif and an umbilical cord Wharton's jelly exosome are covalently crosslinked; the lipid double-layer coating layer comprises phosphatidylcholine, cholesterol and PEG-2000, and the molar ratio of the phosphatidylcholine to the cholesterol to the PEG-2000 is 5: 3: 2; the synergist is prepared from 0.1 to 5 percent of epicatechin gallate and 2 to 8 percent of recombinant collagen III oligopeptide. The nano-liposome is prepared through microfluidic self-assembly and a film hydration-ultrasonic intercalation method, and can be loaded on a degradable microneedle patch, so that targeted slow release of a wound part is realized. Through the synergistic effect of targeted delivery, oxidation resistance and collagen regeneration, the skin repair efficiency is remarkably improved, and the healing time is shortened.

The invention discloses an incision protection sleeve for medical engineering and a production process thereof, the incision protection sleeve comprises an outer layer protection film and an inner layer protection film, the outer layer protection film is composed of a polytetrafluoroethylene base material and a nano-silver composite layer coated on the surface, the density of the nano-silver composite layer is 1.5-3.0 mg / cm, the thickness of the nano-silver composite layer is 0.1-0.3 mm, the diameter of hollow microspheres is 50-200 [mu] m, the wall thickness of the hollow microspheres is 5-15 [mu] m, and the filling rate of the hollow microspheres is 10-30% of the volume of a buffer ring; according to the material innovation, the PTFE-nano-silver composite layer gives consideration to antibacterial performance and durability, the collagen-silica gel buffer layer promotes tissue repair, the structure innovation is that magnetic fixation and a shape memory support achieve one-key type rapid installation, the operation time in an operation is shortened by more than 20%, the process innovation is that laser welding and plasma spraying technologies are combined, the product consistency (tolerance + / -0.05 mm) is ensured, and the production efficiency is improved. Clinical values are as follows: animal experiments prove that the postoperative infection rate is reduced to 1.2% (8.7% in a control group), and the incision healing time is shortened by 3-5 days.

The invention provides a wound sealing and repairing hydrogel patch and a preparation method thereof. The hydrogel patch is provided with an independent adhesion layer and an adhesion layer and anti-adhesion layer combination. The adhesive layer is prepared from gelatin, N-acryloylated amino acid, acrylic acid-N-succinimide ester, 2-hydroxy-4 '-(2-hydroxyethoxy)-2-methyl propiophenone and water through ultraviolet light crosslinking; the anti-adhesion layer is prepared from methacryloyl ethyl sulphobetaine, polyethylene glycol diacrylate, 2-hydroxy-4 '-(2-hydroxyethoxy)-2-methyl propiophenone and water through ultraviolet light crosslinking. The hydrogel patch can be used for sealing and repairing wounds of various tissues (such as skin tissues, liver tissues and stomach tissues), the healing time is shortened, the healing effect is improved, the healing time of a skin incision can be shortened from 14 days to 10 days, the hydrogel patch is superior to other treatment modes according to macroscopic photos and related slices, and the hydrogel patch has a good application prospect. And no-injury healing can be realized.

The invention belongs to the technical field of power distribution, and particularly relates to a power distribution automation master station self-healing system suitable for a complex scene, which comprises a sensing layer, a network layer and an application layer, the sensing layer establishes a communication connection relation with the application layer based on the network layer, the sensing layer comprises a distributed intelligent terminal, a PMU and an intelligent electric meter, and the distributed intelligent terminal, the PMU and the intelligent electric meter collect states of main and auxiliary equipment in real time; the network layer comprises a wireless private network and wired communication and is used for data interaction between the sensing layer and the application layer; the application layer comprises a fault diagnosis module, a recovery decision module, a simulation verification module and an edge computing node. According to the scheme, a self-healing system is constructed through'multi-agent collaborative architecture + hybrid intelligent algorithm + edge computing ', and the core innovation points and effects are as follows: accurate fault diagnosis, shortening of fault recovery time, robustness enhancement and global optimization operation; and the technology is a multi-objective optimization model considering distributed power supply prediction, load characteristics and network constraints.

The invention discloses a titanium-magnesium hollow screw system capable of promoting fracture healing and a manufacturing method. The titanium-magnesium hollow screw system comprises a titanium-based supporting structure and a magnesium filling layer. The titanium-based supporting structure comprises a main body part, the surface of the main body part is provided with an imitated bone trabecula part, and a plurality of bone gaps are formed in the imitated bone trabecula part; wherein bone gaps are filled with the magnesium filling layer, and the magnesium filling layer is combined with the titanium-based supporting structure in a physical embedding mode; the titanium-based supporting structure bears and maintains initial fixation and long-term bearing, so that the strength and the stability of the screw are ensured; the surface imitated bone trabecula and the communicated bone gaps increase the surface area and provide a physical channel for vascularization and bone tissue ingrowth, so that synostosis is promoted; the magnesium filling layer releases magnesium ions after being locally controllably degraded, so that osteogenesis and angiogenesis are favorably stimulated, the local biological environment is improved, instant mechanical support after an operation is ensured, bone healing is promoted through local biological activity release and structural orientation, the healing time is favorably shortened, and the healing quality is favorably improved.

The utility model discloses a dirty pleura scraping device which comprises a grab handle, a connecting pipe, a scraping ball mechanism and a circuit board, the grab handle is of a hollow cavity structure, the grab handle is composed of a front cover and a rear cover, any end of the connecting pipe is provided with a locking block, and the end, away from the locking block, of the connecting pipe penetrates through the front cover from inside to outside and extends to the outer side of the front cover. The scraping ball mechanism comprises a motor base, a motor, a scraping ball rod and a scraping ball, the motor base is fixedly installed on the connecting pipe at the end away from the locking block, the motor is fixedly installed on the motor base, one end of the scraping ball rod is connected with the output end of the motor, the other end of the scraping ball rod is connected with the scraping ball, and the circuit board is arranged in a cavity of the grab handle. And the circuit board is electrically connected with the motor. The utility model has the advantages of simple structure and reasonable design, can assist doctors in quickly making new scratch surfaces on dirty pleura, is convenient for lung trauma treatment, accelerates the healing time of lung trauma or trauma, relieves the pain of patients, and is worthy of vigorous popularization and application.

Abstract Present invention discloses an oral ulcer patch which adheres to a surface of a mouth ulcer and reduces pain associated with the mouth ulcer while at the same time accelerating healing of the mouth mucosa. The oral ulcer patch comprises an anti-inflammatory agent, an analgesic agent; a healing agent; an agent that forms a protective barrier upon reacting5 with saliva in the mouth, wherein the patch adheres to the moist ulcer area inside the mouth, forms a protective barrier, releases active analgesic and anti-inflammatory agents, and wherein the application of the patch to the ulcer reduces the pain caused by the ulcer and reduces the healing time of the ulcer. 10 Abstract Present invention discloses an oral ulcer patch which adheres to a surface of a mouth ulcer and reduces pain associated with the mouth ulcer while at the same time accelerating healing of the mouth mucosa. The oral ulcer patch comprises an anti-inflammatory agent, 5 an analgesic agent; a healing agent; an agent that forms a protective barrier upon reacting with saliva in the mouth, wherein the patch adheres to the moist ulcer area inside the mouth, forms a protective barrier, releases active analgesic and anti-inflammatory agents, and wherein the application of the patch to the ulcer reduces the pain caused by the ulcer and reduces the healing time of the ulcer. 10 20 24 28 71 87 23 D ec 2 02 4 2 0 2 4 2 8 7 1 8 7 2 3 D e c 2 0 2 4 A b s t r a c t 5 1 0

The invention relates to the technical field of skin ulcers, and discloses a skin ulcer prognosis prediction method and system based on a column diagram, and the method comprises the steps: obtaining a clinical feature data set of a patient; preprocessing the clinical feature data set to obtain a preprocessed clinical feature data set; inputting the preprocessed clinical feature data set into a pre-trained ulcer prognosis prediction model to obtain weight coefficients of independent risk factors; constructing a visual scoring system according to the weight coefficient; and according to a scoring result in the visual scoring system, predicting an ulcer prognosis poor probability. According to the skin ulcer prognosis prediction method and system based on the column diagram, the independent risk factors influencing ulcer prognosis are explored, and the prediction model is established through the regression curve and the column diagram, so that a patient with poor ulcer prognosis is identified, a more reasonable treatment scheme is established in the early stage of a disease, and the healing time of the ulcer is shortened.

The invention belongs to the technical field of medical biological dressings, and provides a composite dressing with oxygen release and insulin delivery functions and a preparation method thereof.The composite dressing comprises a supporting base layer, a function slow release layer and a protective film layer which are sequentially compounded from bottom to top; the supporting base layer is a medical porous polyurethane film modified by plasma; the functional sustained release layer is composed of hyaluronic acid-chitosan composite gel, oxygen release microspheres and insulin liposome; the protective film layer is a polyethylene terephthalate film of which the surface is provided with a sawtooth edge easy to tear; through an integrated three-layer patch structure, by combining the synergistic effect of PLGA microsphere controlled-release oxygen, liposome low-molecular chitosan insulin delivery and gel matrix, the skin injury microenvironment is effectively improved, inflammation is inhibited, and the healing time is shortened.

The invention discloses a patient leg rehabilitation device for surgical nursing, and relates to the technical field of medical rehabilitation, the patient leg rehabilitation device comprises three first half cylinders and two second half cylinders, the top of one of the first half cylinders and the second half cylinders is provided with four fixing belts, and an adjusting buckle is arranged between every two fixing belts in a sleeving manner; and two L-shaped frames are arranged at the bottom of one of the first half cylinders. Through the arrangement of an adjusting rack, two adjusting gears, two U-shaped limiting rods and an arc-shaped abutting plate, the position of a massage mechanism is adjusted according to the knee bending degree of a patient, the initial, middle and later rehabilitation periods of the patient are judged according to the knee bending degree of the patient, and through the arrangement of a one-way rack, a wedge-shaped block and an abutting spring, the rehabilitation effect of the patient is improved. The maximum massage strength which can be adapted to a patient is recorded and limited, the massage strength is adjusted in a self-adaptive mode according to the rehabilitation stage of the patient, the muscle fatigue recovery time is shortened, meanwhile, blood circulation is promoted, and the fascia adhesion or fibrosis risk is reduced.

The invention discloses a healing promoting agent for melon vegetable grafted seedlings. The healing promoting agent contains abscisic acid and ribulose phosphate. The effect of promoting communication of phloem and xylem of grafted seedlings can be achieved by spraying the healing promoting agent before grafting, the healing time of the melon vegetable grafted seedlings is shortened, the operation of film uncovering and film covering in the healing period is reduced, the healing period management is simplified, and the healing cost is reduced.

The invention relates to a slough-removing granulation-promoting ointment for treating pressure sores and a preparation method thereof. The paste for removing slough and promoting tissue regeneration is prepared from traditional Chinese medicines such as dark plum, cicada slough, fried honeycomb, vinegar frankincense, prepared myrrh, pseudo-ginseng and centipede, and has the effects of removing slough and promoting tissue regeneration. Meanwhile, the optimal opportunity of autolysis debridement is determined by applying a medical care field theory, the treatment effect of the non-staging pressure sores is enhanced by externally applying the slough removing and tissue regeneration promoting paste, the healing time is shortened, the burden of patients is relieved, and the rehabilitation speed is accelerated.

This invention discloses a device and method for detecting wound healing status and predicting healing time. The device includes a flexible substrate on which a photoelectric detection area and a light source area surrounding the photoelectric detection area are formed; a photoelectric detection array disposed within the photoelectric detection area, the photoelectric detection array including at least one organic photodetector; multiple light sources disposed within the light source area and spaced circumferentially thereon, each light source having its emitting surface facing the photoelectric detection area, for sequentially irradiating wound tissue located above the device with multiple preset wavelengths; a positioning area disposed on the upper surface of the flexible substrate, the planar projection of the positioning area on the flexible substrate at least partially overlapping the photoelectric detection area; at least one pressure sensor disposed within the positioning area; an angle sensor disposed on the flexible substrate and / or a circuit board below it; and a processing unit including a microprocessor integrating an analog-to-digital converter, a storage unit, and an embedded computing unit. This invention also discloses a related prediction method.

This invention discloses a piezoelectric sensing adaptive internal pressure fixation bone plate system for treating tibial plateau fractures, belonging to the field of orthopedic implantable medical devices. It includes a bone plate, pressure bolts, and an external control module. The bone plate is available in three specifications according to the Schatzker classification: lateral L-type, medial T-type, and bilateral composite type, with transverse internal pressure holes. The pressure bolts embed a PZT-5H piezoelectric sensing device and have an overload-resistant groove between the head and neck, enabling real-time acquisition of the compressive stress at the bolt-bone interface. The external control module transmits signals wirelessly via Bluetooth 5.0 and uses a PID algorithm to non-contactly drive the bolts via magnetic field coupling to adaptively adjust the compressive stress to 30–50 MPa. The system has two levels of safety protection: 55 MPa coil power-off protection and 80 MPa groove breakage protection. This system eliminates the need for secondary surgery, dynamically maintains optimal stress throughout the fracture healing cycle, with a healing time ≤12.5 weeks, a complication rate ≤4%, and an excellent / good knee HSS score rate ≥88%. It is suitable for Schatzker type I-VI tibial plateau fractures.

The present invention discloses a suture - attached anchor, which includes a nail body, a plurality of wire grooves and a plurality of wire holes. All the wire grooves are provided on the outer periphery of the nail body, and any one of the wire holes penetrates the nail body along the radial direction. During the operation, the suture passes through the wire hole, so that the suture enters the main bone along with the nail body. The wire groove squeezes the suture, so that the suture is fixed between the nail body and the main bone by the squeezing force, without knotting the suture for fixation, preventing the suture from loosening due to the wear of the knot, and ensuring the reliable fixation of the suture - attached anchor. The length of the wire hole in the present invention is relatively short, which can reduce the resistance of the bone fluid flowing through the wire hole, shorten the healing time of the free bone and soft tissue. Shortening the length of the wire hole can also effectively reduce the threading difficulty, create conditions for extending the length of the nail body, facilitate increasing the contact area between the nail body and the main bone, and ensure the reliable fixation of the suture - attached anchor. Therefore, the suture - attached anchor provided by the present invention has more reliable fixation and faster repair speed.

The invention relates to the technical field of asphalt performance evaluation, in particular to an asphalt self-healing performance evaluation method based on relaxation time spectrum characteristic parameters, which comprises the following steps: preparing an asphalt test sample; performing a linear amplitude scanning test to determine a linear viscoelasticity critical value of the asphalt; then carrying out a frequency scanning test to obtain viscoelastic parameters such as an initial dynamic shear modulus and a phase angle; then carrying out a fatigue test; finally, carrying out a self-healing monitoring test, and carrying out a frequency scanning test at different time points to obtain a viscoelastic parameter main curve cluster of the asphalt sample at different healing degrees; and constructing an asphalt self-healing evaluation index by using the relaxation time spectrum so as to accurately evaluate the self-healing performance of the asphalt at different healing times. The method has the characteristics of simplicity in operation, short test period, accurate result and the like, and solves the problem that the conventional self-healing test is difficult to comprehensively reflect the recovery rule of the internal microstructure of the asphalt in the batch process at present.

The invention relates to an infectious tophus ulcer wound nursing scheme assessment method and system, and the method comprises the steps: collecting the standardized electronic medical record data of a patient through a medical information system, including demostatistics, wound characteristics, laboratory inspection index sequences and nursing records; after structured processing, timestamp unification and missing value filling are conducted on the data, the data are input into a pre-trained deep learning model, expected wound healing probabilities, predicted healing time and complication risk scores corresponding to different nursing schemes are output, then a comprehensive assessment report is generated, the report is stored in a database, and a visual query interface is provided. And meanwhile, collecting actual nursing result data for continuous optimization and updating of the model. According to the invention, quantitative evaluation and prediction of the nursing scheme are realized, clinical decision making is effectively assisted, and the accuracy of nursing management and the resource utilization efficiency are improved.

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.

The invention discloses an S100A9 inhibitor gel and a preparation method thereof, and the preparation method comprises the following steps: step 1, mixing and uniformly stirring 0.1-5% by weight of a thickening agent, 0.1-5% by weight of a humectant, 0.05-0.5% by weight of a preservative, 0.1-1% by weight of a stabilizer, 0.01-0.2% by weight of a pH regulator and 88.3-99.64% by weight of water to prepare a water-soluble gel matrix; 2, under the conditions that the pressure is 0.08-0.3 MPa and the temperature is 100-126 DEG C, the water-soluble gel matrix prepared in the step 1 is subjected to high-pressure sterilization for 15-30 minutes, and the water-soluble gel matrix is naturally cooled to the room temperature; step 3, adding an inhibitor into the gel matrix cooled in the step 2 according to a preset proportion, and slowly stirring and uniformly mixing to prepare gel; and step 4, subpackaging the gel prepared in the step 3 into aluminum tubes, and filling and sealing to prepare a medicinal gel finished product containing the S100A9 inhibitor for later use. The gel can be directly smeared on injured wounds caused by surgical wounds, burns, scalds, ulcers and the like, wound tissue healing is promoted, healing time is shortened, and the curative effect is good.

The present invention relates an ion substituted bovine-derived hydroxyapatite (ion substituted BHA) with at least one type of ion selected from F, Si, Cl, carbonate, citrate, Na, K, Ag, Mn, Zn, Zr, Cu, Co, Fe, Au, B, Ba, Al, Bi, Mg or Sr, or combinations thereof. The modified BHA by ionic doping augments the strength and biocompatibility of the bone graft, reduces healing time, and have a minimal reaction in the body after surgery. The various aspects of the ion-substituted BHA of the present invention have been described along with the FIGS. 1 to 50. The present invention also relates to a process of preparing the ion substituted bovine-derived hydroxyapatite. The invention further relates to a scaffold comprising the ion-substituted bovine-derived hydroxyapatite.

The utility model relates to the field of medical instruments, in particular to an external fixing device with a micro-motion assembly and a hydroxyapatite coating fixing nail, which comprises a support, three clamping block assemblies and the micro-motion assembly. The three clamping block assemblies are used for clamping at least one hydroxyapatite coating fixing nail respectively, the micro-motion assembly is configured to output kinetic energy to the second assembly when receiving electric energy, and when the second assembly is in a movable state relative to the support, the micro-motion assembly is used for driving the second assembly to move according to a preset path. The preset path is a swing path and / or a linear path. The broken bone is actively driven through the micro-motion assembly, the second assembly and the hydroxyapatite coating fixing nail clamped on the second assembly, so that the broken bone driven by the second assembly and the hydroxyapatite coating fixing nail clamped on the second assembly can generate fine displacement, and the broken end of the driven broken bone can form stress stimulation, so that the broken bone can be driven to move stably and stably. The fracture healing time is shortened, and the fracture healing treatment efficiency is high.

The invention discloses a traditional Chinese medicine composition capable of accelerating fracture healing and application thereof, and belongs to the technical field of traditional Chinese medicine compounds. The invention solves the technical problem of how to provide the traditional Chinese medicine composition special for accelerating fracture healing. The traditional Chinese medicine composition is prepared from the following components in parts by weight: 40 to 300 parts of rhizoma drynariae, 15 to 150 parts of roasted ground beeltle, 15 to 150 parts of frankincense, 35 to 300 parts of radix dipsaci, 35 to 300 parts of radix angelicae sinensis, 15 to 150 parts of ophisaurus harti, 30 to 300 parts of cortex acanthopanacis, 2 to 20 parts of hippocampus and 10 to 150 parts of calcined dragon bone. The technical effect of efficiently, simply, conveniently, economically and obviously shortening the fracture healing time is achieved.

The invention belongs to the field of biomedical materials, and particularly relates to a multifunctional dressing based on photoelectric conversion electrical stimulation and a preparation method of the multifunctional dressing. The preparation method comprises the following steps: doping drug-loaded MOFs into a coaxial electrospun shell layer, forming core-shell fibers with a core layer with light-driven in-situ electrical stimulation, and dispersing the core-shell fibers into dynamic disulfide bond cross-linked hydrogel to obtain the multifunctional dressing based on photoelectric conversion electrical stimulation. The dressing has an electrical stimulation effect and a relatively strong antibacterial effect on wounds under illumination, and can inhibit inflammation and promote healing of chronic wounds. By means of the dressing, the clinical healing time of the diabetic wound can be shortened to be within two weeks, and the dynamic hydrogel and the photoresponse design are matched with the complex microenvironment of the chronic wound.