31 results about "Postoperative Pains" patented technology

The invention discloses a multi-mode postoperative child pain identification method. The method aims at improving the accuracy of child postoperative pain recognition by fusing ECG (electrocardiogram), SPO2 (blood oxygen) and EEG (electroencephalogram) multi-mode data. The method comprises the following steps of: firstly, respectively acquiring and preprocessing each modal data, and converting EEG (electroencephalogram) into two types of two-dimensional frames; then, feature extraction is automatically conducted on the data of all the modes through specific neural networks including the frequency domain flow neural network, the time domain flow neural network, the oxyhemoglobin saturation CNN-GRU neural network and the electrocardio CNN-GRU neural network; and finally, inputting the extracted features into an MLP feature fusion layer to carry out pain identification. Compared with a traditional single-mode identification method, the postoperative child pain related characteristics can be more comprehensively captured, the pain identification accuracy is effectively improved, and powerful support is provided for medical staff to accurately evaluate the postoperative child pain degree in time.

The invention discloses a postoperative pain degree sensor and an ovum extraction operation pain monitoring system, and belongs to the field of postoperative health monitoring and intelligent nursing equipment. The sensor comprises a flexible substrate, and a skin electric response sensing unit, a temperature sensing unit, a myoelectricity sensing unit, a micro-pressure sensing unit, a signal processing circuit and a wireless communication module which are integrated on the flexible substrate, the monitoring system comprises an edge processing module, a pain index evaluation module, an interaction terminal and a data recording module. The system evaluates the postoperative pain level based on the multi-channel physiological signals, real-time quantification and alarm prompt of the pain state are achieved, and the postoperative nursing response efficiency is improved. The scheme is suitable for assisting pain management after reproductive ovum extraction, and has the advantages of high sensitivity, low delay, structural flexibility and system closed loop.

The invention provides a traditional Chinese medicine hot compress bag for relieving endoscopic postoperative pain and a preparation method of the traditional Chinese medicine hot compress bag, and belongs to the technical field of traditional Chinese medicine hot compress bags. The invention provides a traditional Chinese medicine composition for regulating spleen and stomach and activating meridians to stop pain. The traditional Chinese medicine composition is prepared from the following raw materials in parts by weight: 70 to 100 parts of liquorice root, 20 to 80 parts of rhizoma zingiberis, 20 to 80 parts of fructus evodiae, 20 to 80 parts of semen raphani, 20 to 80 parts of malt, 20 to 50 parts of cassia twig, 20 to 50 parts of fructus perillae and 10 to 30 parts of black prepared common monkshood daughter root. The traditional Chinese medicine composition provided by the invention has remarkable effects of regulating spleen and stomach and activating meridians to stop pain, and can play roles of astringing and inducing astringency, tonifying middle-Jiao and Qi, and dispersing blood stasis and relieving pain after being prepared into a traditional Chinese medicine Reyan bag. Due to the design of the self-heating device, the heating time of the traditional Chinese medicine hot compress bag is long, the heating power maintaining time is long, transdermal absorption of medicines in the traditional Chinese medicine hot compress bag is facilitated, and the pain after the endoscopic surgery can be remarkably relieved.

This application relates to the technical field of medical devices, and particularly to an artificial knee joint prosthesis. An artificial knee joint prosthesis includes: a tibial tray; a liner mounted on the tibial tray; a femoral condyle prosthesis, which includes a femoral condyle metal component and a femoral condyle ceramic component. The femoral condyle ceramic component covers the outer wall of the femoral condyle metal component. The femoral condyle ceramic component is in sliding fit with the liner. The inner wall of the femoral condyle metal component is a 3D printed trabecular bone structure, which can achieve biological fixation and bone ingrowth. This application has the effect of reducing the friction between the liner and the femoral condyle prosthesis, reducing the particles generated by polyethylene wear, thereby reducing the occurrence of inflammation in patients, avoiding bone cement reactions, and reducing the occurrence of postoperative pain and joint instability in patients.

The invention provides an injection capable of treating various cancerous pains and postoperative pains and a preparation method of the injection, and relates to the technical field of pharmaceutical preparations. The preparation method comprises the following steps: filling nitrogen into water for injection at the temperature of 30-60 DEG C, sequentially adding sodium chloride, citric acid and sodium citrate according to a preparation amount, stirring to dissolve the sodium chloride, the citric acid and the sodium citrate, then adding butorphanol tartrate according to a preparation amount, and stirring until the butorphanol tartrate is completely dissolved for later use. According to the preparation method of the butorphinol tartrate injection provided by the invention, the technological parameters are accurately controlled, and the reference preparation prescription of the butorphinol tartrate injection does not need to be changed, so that the sterile guarantee level of the butorphinol tartrate injection can be improved, the increase of the impurity content can be effectively controlled, and the good stability of the butorphinol tartrate injection is ensured.

The invention relates to the technical field of pharmaceutical preparations, and particularly discloses an arginine ibuprofen biphasic sustained release preparation and a preparation method thereof. Through a two-phase system of quick-release particles and slow-release particles, the problems that a traditional preparation takes effect slowly, is short in medicine effect and poor in taste are solved. Wherein the quick-release granules are prepared by mixing and granulating ibuprofen arginine, a filling agent, an adhesive and a natural flavoring agent, so that the effective blood concentration can be ensured to be reached within 15 minutes after the medicine is orally taken so as to quickly relieve pain, and the bad flavor of the medicine can be synchronously covered; the sustained-release granules are based on an ibuprofen arginine drug-loading core, the outer layer of the sustained-release granules is coated with a sustained-release film formed by a sustained-release agent and a plasticizer, and the effective blood concentration can be stably maintained for 6-8 hours, so that the medicine taking frequency is reduced, the sustained-release granules only need to be taken for 1-2 times every day, the medication compliance of a patient is greatly improved, and the sustained-release granules are suitable for clinical application. The traditional Chinese medicine composition is especially suitable for clinical scenes needing long-term or repeated analgesia such as chronic arthritis and postoperative pain, has excellent safety and practicability, and has a wide market application prospect.

The invention discloses a postoperative blackening inhibiting and brightening repairing body lotion and a preparation method thereof, the postoperative blackening inhibiting and brightening repairing body lotion comprises the following components by mass: 1-3% of tranexamic acid, 2-5% of nicotinamide, 3-6% of an aloe vera extract, 0.5-2% of menthol, 0.1-0.5% of an anti-allergy agent, 5-10% of a humectant, 2-4% of an emulsifier, 0.5-1% of a thickener, 0.05-0.2% of a pH regulator, 0.3-0.8% of a preservative, and the balance of deionized water. The invention has the following beneficial effects: by adding tranexamic acid into the formula, the activity of tyrosinase and melanocyte proliferation can be inhibited, melanin generation can be reduced from the source, nicotinamide can block melanin from being transferred to cuticle, and nicotinamide and tranexamic acid generate a synergistic effect, so that the blackness inhibition effect can be enhanced; the anti-inflammatory and moisturizing functions can be provided, then the postoperative skin inflammation reaction is reduced, menthol added in the formula can generate cooling feeling when activated, postoperative pain and scorching discomfort are effectively relieved, and the anti-allergy agent can reduce the skin allergy risk and improve the product safety.

The utility model discloses a kind of postoperative shaping auxiliary devices for neck and back, applied in rehabilitation engineering technical field, including support plate, the top of the support plate is bolted with fixed plate, the top of the front of fixed plate is bolted with adjusting box;The utility model can reduce blood stasis caused by long-term braking by moderate activity design, accelerate inflammation subsides and wound healing, reduce muscle spasm and nerve compression on the basis of maintaining neck physiological curvature, relieve postoperative pain, reduce postoperative muscle fatigue and joint stiffness by dispersing neck pressure, improve patient comfort degree;While maintaining the stability of spine, allow moderate activity, avoid muscle atrophy or joint stiffness caused by long-term complete braking, support device shares back muscle load, relieve postoperative muscle fatigue and spasm caused by compensatory effort, buffer layer reduces the friction of skin and hard brace, reduce the risk of skin damage caused by long-term wearing.

The utility model discloses an assessment ruler for postoperative active pain, which relates to the technical field of pain assessment tools, and comprises an assessment ruler main body, one side of the assessment ruler main body is provided with an NRS pain score indication line, the surface of the NRS pain score indication line is provided with a plurality of first lamp bodies, and the first lamp bodies are provided with second lamp bodies. A plurality of first control buttons matched with the first lamp bodies are arranged above the NRS pain score indication line. According to the utility model, the positions of the first indicator and the second indicator are moved, so that the first control button and the second control button which correspond to each other are pressed, the first lamp body and the second lamp body which correspond to each other are lightened, and the voice output device synchronously broadcasts the contents of the NRS pain level and the FAS pain level which reach the positions; according to the design, the postoperative active pain assessment process of the patient can be quicker and more efficient, the patient can express own pain feeling more accurately, and assessment errors caused by unsmooth communication or understanding deviation are reduced.

The invention relates to a postoperative anti-regurgitation self-cleaning drainage tube which is suitable for chest drainage after pulmonary lobectomy. In order to solve the problems that a traditional drainage tube depends on gravity to conduct passive drainage, a tube cavity is prone to forming a biological membrane due to sediment to cause blockage and drainage efficiency is insufficient, a plurality of cilia are arranged on the inner wall of a drainage tube body in a surrounding mode in the circumferential direction, the sizes of the cilia are gradually reduced from the root to the top end, and the elasticity modulus is reduced in a gradient mode in the drainage direction; and the vibration device is matched to drive the cilia to swing directionally in the same direction as the drainage direction. According to the design, by simulating the respiratory tract cilia function and utilizing the synergistic effect of cilia structural characteristics and vibration excitation, tube wall sediments are actively and physically stripped, a biological membrane is destroyed to form a foundation, and meanwhile, cilia directionally swings to form drainage auxiliary thrust. According to the application, the occurrence rate of lumen blockage can be obviously reduced, the drainage efficiency is improved, the postoperative pain and medical cost of a patient are reduced, the recovery period is shortened, and the clinical efficient drainage and anti-blockage requirements are met.

This invention discloses the use of Chek2 inhibitors in the preparation of drugs for the prevention and / or treatment of postoperative pain sensitization induced or aggravated by chronic sleep disorders, and its intervention methods, relating to the field of biomedical technology. This invention provides the use of Chek2 inhibitors in the preparation of drugs for the prevention and / or treatment of postoperative pain sensitization induced or aggravated by chronic sleep disorders. This invention is the first to discover and validate Chek2 as a key molecular target linking "chronic sleep disorders" and "postoperative pain sensitization." By constructing a composite animal model of chronic sleep deprivation (CSD) combined with postoperative incision pain, the pathological process of increased postoperative pain in patients with sleep disorders was simulated. Using mRNA-seq and Western blot techniques, this invention is the first to discover and confirm that the expression level of Chek2 in the nucleus accumbens (NAc) brain region is significantly upregulated during postoperative pain sensitization induced by chronic sleep disorders, filling a gap in the field of "sleep disorder-pain interaction" regarding specific central targets.

The utility model discloses a kind of wound decompression nursing pads, including nursing pad main body, nursing pad main body is equipped with the hollow portion for corresponding with wound and the slot for fixing drainage tube, hollow portion is through the upper and lower surfaces of nursing pad main body, slot is set in the upper surface of nursing pad main body.The nursing pad main body of the utility model is equipped with hollow portion, when using, by the hollow portion and the wound of patient corresponding, avoid the wound of patient in body position change or sick lateral decubitus process to be pressed and rub, to avoid appearing wound pain aggravation, ensure that wound tissue has normal healing environment, solve the problem that body position changes difficultly caused by postoperative pain.In addition, the nursing pad main body of the utility model is also equipped with the slot being communicated with hollow portion, the range of activity of drainage tube can be limited by being placed in slot to drainage tube, prevent pipeline from bending when body position changes, ensure the patency of drainage system.

The utility model discloses a rigid expander which comprises an inner tube and an outer tube which are sleeved together in a clearance mode, a threaded rod is arranged at the rear end of the inner tube, a handle ring capable of rotating freely is sleeved at the rear end of the outer tube in a limiting mode, and internal threads matched with the threaded rod are arranged on the inner side of the handle ring. A plurality of blades are movably arranged in the circumferential direction between the front end of the inner pipe and the front end of the outer pipe, and when the inner pipe and the outer pipe generate axial relative displacement, the blades expand in the radial direction or close in the radial direction; according to the scheme, the front end of the spine dilator can conduct radial dilation, so that soft tissue blocking the operation visual field in the channel is pushed aside, medical staff do not need to spend a large amount of time to clean the soft tissue blocking the visual field, the operation difficulty is lowered, the operation efficiency is improved, and postoperative pain caused by unnecessary soft tissue cleaning is reduced.

This invention relates to the field of postoperative intelligent analgesia control technology and discloses a postoperative pain prediction and intelligent analgesia drug delivery algorithm system, addressing the technical problems of poor specialist adaptability and delayed intervention in postoperative analgesia management after total hysterectomy. This invention collects specialist characteristics of patients undergoing total hysterectomy, such as menopausal status, pelvic adhesion grade, and gynecologically specific pain types, and performs information entropy weight allocation and fuzzy quantization processing. Standardized features are input into an improved Ornstein-Uhlenbeck process model, which outputs postoperative multi-time-window pain prediction scores. Based on an improved S-shaped maximum effect model combined with gynecological safety hard constraints, personalized drug delivery parameters such as basic infusion rate, single booster dose, and lockout time are generated. A non-singular terminal sliding mode control algorithm drives the analgesia pump to perform precise infusion, and a dual-model decoupled architecture is used to perform closed-loop incremental iteration of the prediction model. This invention can reduce postoperative opioid dosage and control infusion errors within clinically permissible ranges.

The invention discloses a postoperative pain monitoring method based on a wearable flexible sensor, and relates to the technical field of postoperative pain monitoring. According to the method, a postoperative pain monitoring model mapping relation is constructed based on patient basic feature data in a patient information database, and a corresponding postoperative pain monitoring model is determined based on the postoperative pain monitoring model mapping relation; patient pain feature data of a postoperative patient is input into a postoperative pain monitoring model, pain level monitoring is performed, a postoperative pain monitoring model mapping relation is constructed by integrating historical patient physiological data and individual features, and a dual mechanism of rapid screening of a first classification model and accurate verification of a secondary multimode monitoring model is adopted. According to the invention, the method achieves the grading monitoring of the pain grade of a postoperative patient, enhances the adaptability to different patient groups based on the model adaptation of individual features, and solves the problems that the existing postoperative pain monitoring method is too limited in single-mode evaluation, and is insufficient in individual difference adaptability.

The invention provides a female private plastic post-operation protector based on medical cosmetology, comprising a protective pad which is made of a soft and breathable material, has a shape of a sanitary pad structure, and is used for fitting a post-operation part and providing comfortable support; the cooling module is arranged in the protective pad and used for relieving postoperative local edema and pain through low temperature; the compression module is arranged on the upper surface wall of the protective pad and used for reducing accumulation of local blood and lymph through moderate compression, the compression module can change the acting force of the compression module so as to change the compression strength, and the outer surface wall of the protective pad is sleeved with a detachable protective film so that sanitation and safety can be guaranteed; through compression and cooling functions, postoperative local edema is effectively reduced, postoperative pain is relieved, wound healing is promoted, and the overall satisfaction degree of a patient is improved.

The application discloses a postoperative children's pain recognition method based on an interpretable prototype, aiming to improve the interpretability of postoperative children's pain detection by comparing the similarity of facial feature positions. First, facial expression frames and sparse optical flow frames of each frame of picture are extracted from postoperative children's pain videos. Then, the feature vector of the facial feature position is extracted by using the ResNet convolution network, and the randomly initialized prototype vector is optimized by minimizing the loss function. Then, the similarity of the feature vector and the prototype vector is calculated, and the pain level recognition result of each frame of picture is obtained through the full connection network. Finally, the facial feature positions corresponding to the feature vector and the facial feature positions corresponding to the prototype vector are visually compared. The application improves the interpretability of the postoperative children's pain recognition process by showing the similarity of the facial feature positions on the facial expression and the sparse optical flow, which helps medical professionals better understand the automatic pain recognition result.

The invention relates to the technical field of general surgery department postoperative nursing and intelligent medical auxiliary decision making, in particular to a general surgery department postoperative user pain nursing system and method, and the method comprises the steps: collecting multi-modal sensing data which comprises physiological sign data, behavior characteristic data and environmental parameter data; performing standardization processing and time sequence alignment on the multi-modal sensing data, and constructing a postoperative stress data set; a feature extraction model is utilized, and stress feature vectors comprise autonomic nerve compensation features, mechanical damage stress features and environment induction features; fusing the stress feature vector, and identifying an evolution trajectory of a pain stress shock wave peak; generating a dynamic stress dissipation intervention strategy operation according to the evolution trajectory, wherein the dynamic stress dissipation intervention strategy operation comprises a pharmacological intervention instruction and a non-pharmacological stabilization instruction; correcting the dynamic stress dissipation intervention strategy in real time according to the intervention state fluctuation variance; the method ensures that all intervention actions are accurately deployed before the shock wave peak arrives.

The utility model relates to a connecting rod of a micro-trace spine orthopedic and internal fixation system, which is characterized by comprising a rod body which is connected with a nail seat of an encircling type locking system in a matching way and is used for preventing a ball nail on the nail seat from axially moving, and the rod body comprises a nail seat clamping part and an orthopedic reference part which are connected into a whole along the length direction of the rod body, the top of the shape-righting reference part is provided with a shape-righting reference surface arranged in the axial direction of the shape-righting reference part, and the shape-righting reference surface and the end face of the nail seat after nail locking are kept on the same plane. The connecting rod is used in cooperation with a surrounding type locking nail system, the bending rigidity of the connecting rod can be improved, the torsional rigidity can also be improved, an orthopedic instrument positioning datum plane and an orthopedic loading anchor point can be provided in the spine orthopedic process, the orthopedic position accuracy and the orthopedic efficiency are improved, the incisura after implantation is low, and the orthopedic effect is good. The irritation to surrounding tissues is reduced, and the postoperative pain of a patient is reduced.

The present application relates to a kind of orthopedic implant instruments, including porous layer, porous layer includes variable diameter section, the material of variable diameter section is memory material, so that variable diameter section has original state and deformed state, and variable diameter section can respond to deformation to original state after receiving specific stimulation in deformed state;In deformed state, the surface of porous layer is smooth and the thickness is matched with recipient bone tissue part, and the thickness of variable diameter section is less than original state;By using memory material as variable diameter section, so that in deformed state, orthopedic implant instrument can be directly implanted in corresponding recipient bone tissue part, without the need of tool impact and pressurized implant, reduce the possibility of potential complications and frequent postoperative pain caused by impact and pressurized implant;In addition, after implantation is completed, variable diameter section can respond to special stimulation and deform to original state, and the thickness of variable diameter section increases to realize active pressurization, so that orthopedic implant instrument and recipient bone tissue are fixed by interference fit, so as to achieve better initial stability.

This invention relates to the fields of biomedicine and nanomaterials technology, and provides a bilayer core-shell nanoparticle composite thermosensitive gel for postoperative analgesia, its preparation method, and its applications. The bilayer core-shell nanoparticles comprise: a core of PLGA nanoparticles loaded with magnesium, and a shell of a lipid bilayer loaded with bupivacaine. The composite thermosensitive gel is made by uniformly dispersing the bilayer core-shell nanoparticles in a thermosensitive gel material. By constructing a structure with a lipid shell loaded with bupivacaine and a PLGA core loaded with magnesium, and combining it with a thermosensitive gel, this invention achieves rapid release of bupivacaine for acute postoperative analgesia, and sustained slow release of magnesium ions for long-term anti-inflammatory and repairing effects. This perfectly meets the temporal requirements of postoperative pain management and has broad clinical application prospects.

The invention discloses an application of D-mannose in preparation of a medicine for treating postoperative incision pain, and particularly relates to an application of D-mannose as an effective component in preparation of a local external gel preparation for relieving postoperative pain and promoting wound healing. The invention discloses that D-mannose reduces the expression of proinflammatory factors (such as TNF-alpha, IL-1beta and IL-6) by inhibiting NF-kappa B and MAPK inflammation signal pathways for the first time, so that the dual effects of analgesia and healing promotion are realized. Experiments show that the D-mannose has the optimal effect under the specific concentration (such as 3% w / v), and the D-mannose is high in safety and free of addiction through a local external administration mode. The invention provides a novel, safe and effective non-opioid local treatment choice for postoperative pain management, and has a good clinical application prospect.

This invention discloses a postoperative pain intelligent management system based on multimodal data. The system includes: a data acquisition device for collecting sensor data from multiple modalities of a target patient after gynecological surgery; a data analysis device for analyzing the sensor data according to a preset neural network algorithm to determine the target patient's pain information, pelvic floor exercise information, and current rehabilitation stage, and outputting a corresponding postoperative rehabilitation guidance plan; and a data interaction device connected to the data analysis device and the target patient's mobile device for receiving input data from the target patient or sending the postoperative guidance information to the mobile device for display. Therefore, this invention achieves more automated and efficient postoperative pain monitoring and rehabilitation management, effectively improving the efficiency and effectiveness of postoperative rehabilitation and providing users with more intelligent and comprehensive postoperative rehabilitation services.

The present application relates to the field of orthopedic biomedical technology, specifically, a proximal humerus fracture intramedullary bone cement support rod, which comprises a bone plate, a plurality of first connecting holes and a plurality of second connecting holes are formed on one side of the bone plate, and a solid bone nail is arranged in the first connecting hole. The device can inject bone cement into the bone marrow cavity through the injection channel and the injection port, and then solidify into a rod body to tightly fill the bone marrow cavity space. Through the cooperation of the bone plate and the bone cement support rod in the bone marrow cavity space, a support structure is formed on both sides of the humerus, the stress during the movement of the patient's arm is evenly distributed on both sides of the humerus, the fixation stability is significantly improved, the risk of internal fixation failure such as steel plate displacement and screw cutting is effectively reduced, the bone cement support rod can also prevent the displacement of the fracture block, promote the repair of the fracture, reduce the extrusion and friction of the surrounding tissue of the filling part, reduce the inflammatory reaction and postoperative pain, and improve the comfort of the patient's recovery.

The application discloses a drug composition for promoting tissue regeneration and preparation and application thereof. The drug composition for promoting tissue regeneration is composed of rhizoma paridis, radix lithospermi, dragon's blood, radix angelicae dahuricae, eustegia macrantha, goldthread, corydalis, rhizoma phellodendri, radix et rhizoma rhei, radix sophorae flavescentis, radix paeoniae alba and cortex mali. The drug composition for promoting tissue regeneration is added with pharmaceutically acceptable adjuvants to prepare a preparation. The drug composition for promoting tissue regeneration and the preparation can be used for preparing a medicine for treating hemorrhoids, anal fissure, anal fistula, swelling and pain or itching around anus, hemorrhoids and anal fistula, anal abscess, postoperative pain, constipation, anal distension, edema of anal margin and urinary retention.

The invention provides an etoricoxib emulsion for injection, such as a large volume parenteral emulsion, which can relieve acute treatment of postoperative pain on one hand, and can provide parenteral nutrition for patients who cannot eat food after operation on the other hand. The emulsion for injection provided by the invention has good stability and has dual effects of nutrition and treatment.

The invention provides a portable percutaneous acupoint electrical stimulation sleep promoting instrument, and aims to improve sleep quality and relieve postoperative pain. The device comprises a box body, a cover body, an electrical stimulation device, a control device and a storage battery. The electrical stimulation device can be adsorbed in the box body to be charged and stored through the design of a magnetic attraction groove and a charging contact, the electrical stimulation device is fixed to the Shenmen acupoint, the hypnotic acupoint, the Sanyinjiao acupoint and the Zusanli acupoint through hydrogel pasting pieces when the electrical stimulation device is used, and the stimulation intensity and time are accurately regulated and controlled through the control device. Clinical tests show that the device can remarkably prolong the total sleep time of the postoperative patient, reduce the postoperative pain score and shorten the hospitalization time, and is simple and convenient to operate, safe and painless. According to the invention, a modern electronic technology and a traditional Chinese medicine acupoint theory are combined, and an efficient and portable solution is provided for sleep disorder and postoperative pain management.

The utility model discloses a palate mucous membrane distraction guide plate for extraction of embedded polygenic teeth in maxilla. The palate mucous membrane distraction guide plate comprises an abutment tooth retainer and a guide plate, the abutment tooth retainer provides a fixing position for the guide plate, and the contour of the abutment tooth retainer is consistent with the contours of a plurality of abutment teeth positioned on the maxilla; the guide plate is fixed on the inner side of the abutment tooth retainer and is used for expanding the palate mucosa. Through the design of the abutment retainer and the guide plate, the surgical operation space is clearly guaranteed, and the surgical precision and safety are improved. And a doctor does not need to manually open the mucous membrane or depend on an assistant, so that the manpower demand and fatigue in the operation process are reduced. The design of the notch in the guide plate avoids important structures such as palate nerves, and risks in the operation process are reduced. By means of the palate mucosa distraction guide plate, operation is simpler, more convenient and faster, operation time is shortened, and the success rate of treatment is increased. Meanwhile, due to the operation accuracy, the possibility of postoperative pain and bleeding is greatly reduced, and the risk of postoperative complications is reduced.

The application discloses a wearable pain relief device and a remote monitoring system thereof, which comprises a multi-modal physiological sensor array, a data fusion processing module, a control module, a transcutaneous electrical stimulation output module, a communication module and a remote monitoring system. The multi-modal sensor array collects pain-related physiological parameters such as electromyography, skin conductance, body surface temperature, heart rate and brain oxygen, the data fusion module generates a pain estimate value, the control module dynamically adjusts the stimulation intensity based on the PID+derivative compensation algorithm, and the transcutaneous electrical stimulation module outputs an electric current to intervene in pain. The communication module uploads data to the remote monitoring system, and medical staff can monitor and remotely adjust parameters in real time through the cloud platform. The application realizes real-time monitoring, intelligent control and remote intervention of pain, has the advantages of personalized treatment, data security and scalability, and is suitable for postoperative pain management, chronic neuropathic pain and the like.

The invention belongs to the technical field of medical instruments in the orthopedics department, and discloses a knee joint revision accessory system and a using method thereof.The knee joint revision accessory system comprises a femoral prosthesis extension rod assembly, a punching guider, a tibia supporting cushion block, a tibia guiding column, a centering drill, a depth limiting sleeve, a supporting platform and a flat head abrasive drill; the thighbone prosthesis extension rod assembly comprises a thighbone prosthesis and a first thighbone extension assembly, through cooperation of a trepanning guider, a centering drill, a depth limiting sleeve and a flat head grinding drill, and through depth limiting design and a guiding function of modular accessories, dependence on experience in an operation is reduced, accuracy of the implant position and depth of the prosthesis is ensured, deviation risks are reduced, and operation efficiency is improved. The tibial plateau supporting condition is improved through leveling treatment of the supporting cushion block and the flat head abrasive drill, in the 1.5-stage operation, periprosthetic joint infection, conversion operation and dislocation are low, prosthesis instability caused by bone defects is avoided, meanwhile, accurate bone treatment and stable prosthesis implantation are achieved, and the possibility of postoperative pain or infection or secondary revision is reduced.