80 results about "Postoperative infection" patented technology

The embodiment of the invention provides a multi-modal data fused postoperative plastic surgery infection early warning method and system. The method comprises the following steps: firstly, performing quality evaluation and restoration on postoperative wound images, clinical texts, wearable vital signs and baseline features; performing double-flow coding and priori segmentation on the repaired image to obtain a coarse mask; constructing a super-pixel graph, obtaining a topological consistent fine mask through a graph neural network, and quantifying the erythema / exudation area; the text and the vital signs are coded respectively and then fused with the image features and the masks through cross-attention and self-attention, and a fusion implicit vector and uncertainty are obtained through quality weight gating; an individualized dynamic threshold value is constructed by combining baseline risk, logarithmic probability calibration and a sliding window trend, a confidence band is output by using conformal prediction, and early reliable infection early warning is realized.

The invention discloses a postoperative infection monitoring and early warning method and system, and relates to the technical field of clinical monitoring, and the method comprises the steps: collecting a postoperative infection multi-source alignment data set, building an individual reference model, dynamically extracting postoperative change features, building a behavioral physiological coupling model, recognizing abnormal interaction, and quantifying the infection risk. According to the method, multi-source data are fused, an individualized dynamic baseline model and a behavior-physiological coupling model are established, intelligent recognition and grading early warning of postoperative infection risks are achieved, and the method is high in practicability and easy to popularize. Model parameters are automatically corrected by utilizing a self-learning and feedback recharge mechanism, a closed-loop process of monitoring, prediction, intervention and optimization is formed, infection symptoms can be recognized in advance, manual dependence is reduced, the real-time performance and accuracy of postoperative infection prevention and control are improved, and intelligent decision support is provided for clinic.

The invention discloses a dual-mode response type postoperative infection early-warning intelligent dressing and a preparation method thereof, which are urgent for a novel postoperative dressing with precise infection monitoring, intelligent drug release, excellent material performance, reliable intelligent remote management and low-cost mass production potential. The invention aims at solving the problems of the existing dressing in all directions through an innovative technical scheme. According to the dual-mode response type postoperative infection early-warning intelligent dressing and the preparation method thereof, infection signals are accurately captured, intervention is performed in advance, through cooperative monitoring of the pH sensor (the detection error is + / -0.1) and the temperature sensor (the precision is + / -0.1 DEG C), compared with a traditional single-mode dressing, infection symptoms (for example, the pH is larger than 7.5, and the temperature is larger than 37.5 DEG C) are found 12-48 hours earlier, the infection early-warning accuracy rate is increased to 95% or above, and the application range is wide. The self-calibration technology has the advantages that background interference of double emission silicon points (427nm / 500nm fluorescence peaks) is eliminated through the fluorescence intensity ratio, errors of single-wavelength detection are avoided, and the method is suitable for a complex wound environment.

The utility model relates to the technical field of skull repairing, in particular to a splicable skull repairing system which comprises a first skull repairing piece, a second skull repairing piece and a plurality of connecting assemblies used for connecting the first skull repairing piece and the second skull repairing piece to the skull of the human body, and the first skull repairing piece and the second skull repairing piece are arranged in an up-down spaced mode. The first skull repairing piece comprises a plurality of first splicing strips which are arranged side by side in an abutting mode, the second skull repairing piece comprises a plurality of second splicing strips which are arranged side by side in an abutting mode, and the arrangement direction of the second splicing strips and the arrangement direction of the first splicing strips are staggered; a plurality of convex tongues are arranged on the second skull repairing sheet in an array mode, and a plurality of clamping grooves are formed in the first skull repairing sheet in an array mode; and the second skull repairing sheet is connected with the first skull repairing sheet through the clamping matching of the convex tongue and the clamping groove. The skull repair block has the advantages that the risk that the skull repair block collapses when bearing impact is reduced, the strength of the spliced skull repair block is improved, a patient is protected, the operation time is shortened, and the cost and the postoperative infection rate are reduced.

The invention discloses a film water collection negative pressure system for an antibacterial operation. The film water collection negative pressure system comprises a water collection main body, a waterproof film and a negative pressure drainage tube. The shape of the water collecting main body is configured to surround a water collecting area on the outer side of a surgical incision on the body surface of a patient, and microporous structures facing the stoma of the human body are distributed on the water collecting main body; the water collecting main body and the water collecting area are covered with the waterproof thin film, the waterproof thin film is provided with a surgical operation opening corresponding to the stoma of the human body in position, and the waterproof thin film is further provided with a liquid passing hole facing the micropore structure; the head end of a tube body of the negative pressure drainage tube is connected with the micropore structure in an attached mode. And the tail end of the tube body of the negative pressure drainage tube is communicated and connected with a negative pressure source. Sterile normal saline for lavage incision can be prevented from flowing to an operating table, a bed sheet and the ground along the body of a patient, the sterile environment of an operation area is guaranteed, the risks of low body temperature, postoperative infection and the like in the operation of the patient are reduced, and the experience of the patient in the perioperative period is improved.

The invention relates to the technical field of medical apparatus and instruments, and discloses an anesthesia apparatus disinfection device for an anesthesia room. The disinfection box is designed to be of an open structure and is fixedly mounted at the top of the liquid storage box; a cover plate is arranged at an opening of the disinfection box, and an annular sheet is arranged at the top of the disinfection box; the two sets of electric telescopic push rods are arranged on the two sides of the disinfection box and used for driving the cover plate to close and open the opening of the disinfection box, flexible plugging of the connecting through pipe is achieved through the automatic plugging mechanism, volatilization loss of active ingredients such as a chlorine-containing disinfectant is reduced, the stability of the concentration of the disinfectant is maintained, and the disinfection effect is improved. Disinfection failure caused by insufficient concentration is avoided, the postoperative infection risk of a patient is reduced from the source, meanwhile, resource waste is reduced, two modes of uniform spraying flushing and soaking can be adopted, floating dust and surface pollutants on the surface of the instrument can be rapidly removed, and the disinfection effect is improved.

The invention belongs to the technical field of biomedical materials, and discloses a viola philippica exosome-loaded composite hydrogel as well as a preparation method and application thereof, the composite hydrogel is prepared by mixing methacrylated polylysine (PLMA), oxidized dextran (ODex), viola philippica exosome (V-E), a photoinitiator and a physiologically compatible solvent and performing illumination crosslinking; the preparation method comprises the following steps: respectively preparing PLMA and ODex solutions, extracting and purifying V-E, adding a photo-crosslinking agent (LAP), mixing the components to obtain a precursor liquid, and carrying out in-situ curing molding through ultraviolet-visible light irradiation. The composite hydrogel provided by the invention solves the problems that the existing wound dressing is difficult to fit with irregular wounds, is antibacterial and easy to resist drugs, and lacks active anti-inflammatory and efficient healing promotion capabilities, and is suitable for repair treatment of infectious open wounds such as burns, trauma, diabetic foot ulcer and postoperative infected incisions.

The invention discloses a flushing fluid pressurizing device, and particularly relates to the technical field of flushing devices, the flushing fluid pressurizing device comprises a first shell, a pressurizing conveying assembly is arranged on the first shell, the pressurizing conveying assembly comprises a second shell arranged on one side of the first shell, and two flow guide cavities are formed between the first shell and the second shell. The first filter element and the second filter element are arranged on the two sides of the flow guide cavity respectively, tiny impurities in flushing fluid can be effectively filtered out, the situation that the impurities block the intestinal anastomotic stoma is avoided, the postoperative infection probability is reduced, and on the basis of filtering, a triangular flow dividing block in the second filter element is matched with a spring, a vibration rod and an abutting ball to form a bubble eliminating structure; the addendum circle periodically extrudes the abutting ball to drive the vibration rod to reciprocate along the inclined hole, so that the second filter element generates high-frequency vibration, tiny bubbles dissolved in flushing fluid are promoted to gather and escape, the situation that the bubbles enter the intestinal tract along with the flushing fluid to cause flatulence is avoided, and the operation safety is further improved.

The present invention provides an assembly device and method for a double-action cup liner and a ball head prosthesis, which solves the technical problem of a high risk of postoperative infection caused by manual assembly during the traditional double-action cup liner and ball head prosthesis assembly process. The device comprises a holding mechanism, a handle, and a chassis. The chassis is provided with a handle, which is semi-lunar in shape. The handle comprises a fixing portion, a connecting portion, and a supporting portion provided between the fixing portion and the connecting portion. The fixing portion, the supporting portion, and the connecting portion are an integrally formed structure. The fixing portion is fixed to the chassis by a positioning bolt. A gasket is provided on the front surface of the fixing portion, and the gasket is fixed to the fixing portion by a positioning screw. The front end of the connecting portion is connected to the holding mechanism, and the holding mechanism comprises a torque rod, a holding rod, a guide rod, and a pressing member. The present invention can be widely used in the field of medical device technology.

The method of the embodiment of the application proposes a multi-modal data fusion postoperative infection early warning method and system. First, the postoperative wound image, clinical text, wearable vital signs and baseline features are quality evaluated and repaired. The repaired image is double-flow encoded and the coarse mask is obtained by prior segmentation. The superpixel graph is constructed and the topologically consistent fine mask is obtained by the graph neural network to quantify the erythema / effusion area. The text and vital signs are encoded and fused with the image features and the mask through cross-attention and self-attention, and the fused hidden vector and uncertainty are obtained through the quality weight gate. The individualized dynamic threshold is constructed by combining the baseline risk, the logit calibration and the sliding window trend, the shape-preserving prediction output confidence band is used to realize the early and reliable infection early warning.

The application discloses a preparation method of an antibacterial biological patch for cardiac surgery, and comprises the following steps: first, preparing a Fib@CMC@ABX mixed solution; second, preparing a cross-linking solution, pouring the cross-linking solution on the surface of the biological patch, and sealing and storing the cross-linking solution at 4 DEG C after cross-linking reaction; third, placing; and fourth, soaking in a glycerol solution. The antibacterial coating of the antibacterial biological patch for cardiac surgery prepared by the preparation method is not easy to fall off or crack, the antibacterial coating is firmly attached to the biological patch, the continuity of the antibacterial coating is good, the antibacterial coating has long-acting antibacterial effect, can effectively inhibit bacterial growth, and can prevent postoperative infection, and is suitable for cardiac surgery scenes such as heart repair and pericardial reconstruction.

The invention discloses an antibacterial gelatin microsphere with a photodynamic effect and a preparation method and application of the antibacterial gelatin microsphere, and belongs to the technical field of biomedical materials and hemostasis. An olefinic unsaturated carboxylic acid monomer is grafted to a gelatin side chain through amidation reaction to obtain modified gelatin; the modified gelatin and a cross-linking agent free radical are subjected to a copolymerization reaction to form carboxyl functionalized gelatin microspheres, and a photosensitizer is covalently immobilized on the surfaces of the carboxyl functionalized gelatin microspheres through an esterification reaction to prepare the antibacterial gelatin microspheres with the photodynamic effect. According to the antibacterial gelatin microspheres with the photodynamic effect and the preparation method and application of the antibacterial gelatin microspheres, the efficiency and stability of subsequent photosensitizer loading can be remarkably improved, the postoperative infection risk is effectively solved, and the limitation that a traditional hemostatic material only pays attention to physical plugging is broken through.

The utility model belongs to the technical field of medical auxiliary equipment, and particularly relates to a thoracic surgery postoperative chest drainage fixing device which comprises a shell, and the back face of the shell is connected with a surgery binding belt; the sliding grooves are formed in the side face of the shell in an annular distribution mode, clamping blocks are connected into the sliding grooves in a sliding mode, the clamping blocks are hollow, and through holes are evenly formed in the arc-shaped ends of the clamping blocks; the adjusting mechanism is arranged on the shell, and when the adjusting mechanism operates, the multiple clamping blocks are driven to be close to or away from each other; the negative pressure mechanism is connected to the clamping block; the guide rods are annularly distributed and connected to the outer surface of the shell; and the limiting mechanism is arranged at the guide rod. The drainage tube can be effectively prevented from falling off, the risk of damage to the drainage tube material is reduced, smooth discharge of gas and blood in the thoracic cavity is guaranteed, postoperative infection can be prevented, and wound healing is promoted.

The utility model discloses a pasting film for otology operation, which belongs to the technical field of medical consumables and comprises a film body, a liquid collecting hopper connected with the film body for forming, a connecting film, a second opening arranged on the surface of the connecting film and corresponding to the first opening, and the liquid collecting hopper is connected with the film body for forming. And a strip-shaped side opening communicated with the second opening is formed in the surface of the connecting film. The ear protection film has the beneficial effects that the connecting film, the second opening and the strip-shaped side opening are arranged, so that the second opening of the connecting film corresponds to the first opening in the film body, and the film body is firstly adhered to the ear of a patient, so that the ear penetrates out of the first opening; the connecting film is attached to the film body after being sleeved on the ear through the strip-shaped side opening, the design is tightly attached to the outline of the ear, flushing or perfusate permeation is effectively blocked, pollution of an operation area and discomfort of the ear of a patient are avoided, cleanliness and comfort of the ear operation are improved, and the postoperative infection risk is reduced.

The operating table with the temperature control function comprises a bed frame, the bed frame at least comprises a head pillow section, a back pillow section and a leg pillow section, each area is provided with a first temperature sensor for monitoring the temperature and a temperature control structure for adjusting the temperature, and each temperature control structure comprises a heating mechanism and a cooling mechanism. The operating table further comprises a control system capable of receiving signals of the first temperature sensors so as to control the corresponding temperature control structures to adjust the temperature. Accurate temperature control can be carried out according to different surgical sites, for example, different surgical requirements that neurosurgery needs head low temperature, abdominal surgery needs trunk constant temperature and the like. Compared with a traditional single global temperature control scheme, the local overheating or supercooling risk is effectively avoided, and the intraoperative complications and the postoperative infection rate are remarkably reduced.

The utility model discloses a medical movable bathing tent, relates to the related field of medical bathing, and aims to solve the problems that in existing medical facilities, a patient cannot obtain timely and appropriate bathing service, the risk of postoperative infection is increased, and the rehabilitation speed of the patient is possibly affected. A bathtub structure is arranged in the middle of the upper end of the heat preservation supporting bottom plate. A water storage tank is arranged at one end of the upper end of the fixed bottom plate, a conveying pump is installed at the upper end in the water storage tank, the output end of the conveying pump is connected with a shower pipe, a drainage tank is arranged at the other end of the upper end of the fixed bottom plate, a water pump is installed at the front end of the drainage tank, and the output end of the water pump is connected with a second conveying pipe. The other end of the second conveying pipe extends into the drainage tank; a supporting framework and an outer heat preservation tent body are arranged at the upper end of the heat preservation supporting bottom plate along the exterior of the bathtub structure, and the outer heat preservation tent body is located outside the supporting framework.

The invention relates to the technical field of medical instruments, in particular to a calculus taking-out device for hepatobiliary surgery, which comprises a sleeve, a net bag structure is mounted at one end of the sleeve, a driving assembly is mounted at the other end of the sleeve, the net bag structure comprises a bag body and a distraction assembly, and the distraction assembly comprises a fixing component and a transmission component; a partition plate is fixedly connected to the middle of the inner wall of the sleeve, a through groove is formed in the partition plate, a mounting frame is arranged on one side of the partition plate, a lead screw is rotationally matched with the mounting frame, the lead screw is in threaded connection with a nut seat, the nut seat is fixedly connected with a push block, a push rod is fixedly connected to one side of the push block, and the push rod penetrates through the through groove to be fixedly connected with a side plate. The transmission part is mounted on the mounting plate; one end of the screw rod is rotationally matched with the mounting frame, and the other end is fixedly connected with the driving assembly. The calculus capturing efficiency is improved, bile duct wall injuries and postoperative infection risks are reduced, and the requirements of minimally invasive surgery for instrument accuracy, stability and safety are met.

The invention relates to the technical field of medical record analysis, in particular to a pediatric surgery appendix postoperation anti-infection scheme generation method. According to the method, the development approximation degree is obtained according to the similar condition of physical sign development between patients; analyzing the similarity degree of the illness state information and the allergic drug information among the patients, and combining development approximation degree adjustment to obtain the illness state similarity of the historical patients and the current patient; and analyzing the infection characterization condition of the historical patient based on the postoperative infection information of the historical patient, determining an approximate patient of the current patient in combination with the disease condition similarity, and determining an anti-infection scheme of the current patient according to the approximate patient. According to the method, similar conditions of physical sign development and allergic drugs and complex conditions of infection are analyzed in disease condition matching of patients, and similar patients are screened out to provide more reliable data support for an anti-infection scheme of the current patient, so that scheme determination is more efficient and reliable.

A disposable large surgical drape special for a spine endoscope comprises a large surgical drape body, an annular water retaining air bag is fixed to the large surgical drape body in an adhering mode, a surgical hole and a drainage hole are formed in the large surgical drape body in the water retaining air bag, the surgical hole is covered with transparent medical adhesive tape in an adhering mode, and an incision hole is formed in the center of the transparent medical adhesive tape. And the large surgical drape is connected with a water receiving hopper communicated with the drainage hole. The utility model is used for solving the problems that the operation time is prolonged, the postoperative infection risk is increased and the use experience of doctors is poor due to the fact that the water retaining operation steps of the adhesive film for the spine aqueous medium endoscopic surgery are tedious and the quality control standards are different.

The invention relates to the technical field of chemical or physical analysis, and provides gynecological preoperative intestinal cleanliness visual detection test paper, compared with an existing gynecological preoperative intestinal cleanliness detection technology which is subjected to single-index detection, susceptible to interference and depends on subjective evaluation, synchronous detection of multiple indexes such as cholate and cholecystin is achieved through a double-response nanoprobe, and the detection accuracy is high. The omission ratio is reduced from 18% to 3%, and the detection limit is as low as 2 [mu] mol / L of cholate and 3 ng / mL of cholecystin; the nano-particle wrapping and micro-fluidic technology is adopted, so that the retention rate of the enzyme activity under the interference of antibiotics reaches 85%, and the operation error rate is reduced from 15% to 5%; aI image recognition and an intelligent algorithm are combined, five-color gradient quantitative scoring is achieved, the interpretation efficiency is improved by 20 times, the functions of postoperative infection early warning, home remote detection and the like are expanded, a complete system from detection to clinical decision is constructed, intestinal tract preparation evaluation is promoted to develop towards the precise and intelligent direction, and remarkable creativity and clinical application value are achieved.

The utility model belongs to the technical field of medical equipment, and particularly relates to an ultrasonic probe with a drug delivery function, which comprises a bottom plate, a telescopic rod is fixedly connected to the top of the bottom plate, a circular plate is fixedly connected to the top of the telescopic rod, an ultrasonic debridement machine is mounted at the top of the circular plate, one side of the ultrasonic debridement machine is communicated with an ultrasonic delivery pipe, and the other side of the ultrasonic delivery pipe is communicated with a drug delivery pipe. The end, away from the ultrasonic debridement machine, of the ultrasonic conveying pipe is communicated with an ultrasonic probe body, one side of the ultrasonic debridement machine is fixedly connected with a water tank, a medicine conveying assembly is arranged on the water tank, a cleaning assembly is arranged in the water tank, and the medicine conveying assembly comprises a medicine injection pipe communicated to the top of the water tank; a water pump is fixedly connected to a shell of the ultrasonic debridement machine. Drug can be directly conveyed to an infected part through the probe, debridement can be helped, the anti-infection effect can be enhanced, the risk of postoperative infection is reduced, the recovery time is shortened, and the overall curative effect of a patient is improved.

The invention relates to the technical field of medical internet of things, in particular to a hepatobiliary surgery patient rehabilitation process tracking method based on the internet of things, which comprises the following steps: acquiring electrocardiosignals of a patient based on the internet of things to judge the trend consistency, extracting multiple physical sign records to construct a boundary linkage strength grade, analyzing the temperature gradient of a thermal inductance node to evaluate the postoperative infection risk. According to the method, the abnormal heat accumulation condition of an operation area is recognized by quantifying the direction consistency proportion of the electrocardiosignals, combining the boundary distribution characteristics of various parameters and utilizing the body surface temperature gradient inversion trend; a trajectory sequence is constructed by adopting a rehabilitation task completion proportion, trend analysis is performed in combination with time delay, and a compliance fluctuation risk is judged by using a task response interval change trend, so that multi-dimensional dynamic monitoring of a rehabilitation process is realized, the recognition sensitivity of an abnormal state is improved, and the tracking reliability of the rehabilitation process is enhanced.

The present application relates to the technical field of medical dressings, in particular to a liquid metal composite hydrogel dressing, a preparation method and application thereof.The liquid metal composite hydrogel dressing comprises a functional layer; the functional layer comprises a hydrogel matrix and gallium metal micro-nano droplets dispersed in the hydrogel matrix.The present application utilizes the characteristics that gallium metal micro-nano droplets can continuously release Ga 3+ in a moist wound environment, endows the dressing with efficient and non-drug-resistant broad-spectrum antibacterial ability, and the hydrogel matrix provides an ideal moist healing environment for the wound; the dressing has good biocompatibility, can effectively prevent and treat postoperative infections in orthopedics, and promote wound healing.

The invention discloses a high-applicability achilles tendon minimally invasive suturing instrument, and belongs to the technical field of achilles tendon minimally invasive instruments.The high-applicability achilles tendon minimally invasive suturing instrument comprises a U-shaped arm, universal devices are installed at the two ends of the U-shaped arm, outer side arms are movably arranged on the universal devices and fixedly connected with the universal devices through fixing screws, outer side rings are fixed to one ends of the outer side arms, and outer side rings are fixed to the other ends of the outer side arms. A sleeve is movably arranged on the outer side ring; a hinge device is arranged on the U-shaped arm, the hinge device is composed of an upper hollow sleeve and a lower hollow sleeve, the upper sleeve is connected with the U-shaped arm, two measuring rods are movably arranged in the lower sleeve, the two measuring rods are fixedly connected with the sleeves through fixing screw rods respectively, and oval forceps fixers are installed at the ends, away from each other, of the two measuring rods; the device is high in adaptability and accuracy, can be matched with any oval forceps in an operating room, is remarkable in minimally invasive property, greatly reduces tissue damage, reduces the postoperative infection rate, shortens the recovery period, and is adaptive to patient groups needing rapid recovery.

The present invention discloses a high-efficiency vacuum silver-loaded bone implant device with high bonding strength and long-lasting antibacterial function and a preparation method thereof. The method comprises: ① using an anodic oxidation process to introduce a primary titanium nanotube (TNT) array structure on the surface of a titanium / titanium alloy substrate; ② combining a vacuum electroplating process to cleverly break the surface tension limitation, and efficiently introduce metal antibacterial components such as copper and silver into the TNT to form a secondary inlaid interlocking composite coating structure; ③ removing the metal coating that exceeds the height of the TNT array through free abrasive processing, and achieving polishing of the product surface; ④ after air flow flushing, multiple cleanings, packaging and irradiation sterilization, the desired high-efficiency vacuum silver-loaded bone implant device with high bonding strength and long-lasting antibacterial function is obtained. The above-mentioned coating exhibits excellent bonding strength and wear resistance thanks to the protection of the TNT array structure; at the same time, the metal coating can exert long-lasting and efficient antibacterial properties. The product can be used for the prevention and treatment of postoperative infections in orthopedics and dentistry.

The invention discloses an expandable vitreous cavity crystal shedding blocking device for cataract surgery, relates to the technical field of cataract surgery auxiliary instruments, and provides the following scheme that the expandable vitreous cavity crystal shedding blocking device comprises a blocking net injection mechanism, and the front end of the blocking net injection mechanism is connected with a crystalline lens blocking net; and the barrier net injection mechanism comprises an outer sleeve. A spiral transmission structure of the screwing pipe and the outer sleeve is combined with a linkage mechanism of the transmission rod and the traction block, control over the crystalline lens blocking net by the medical steel wire is achieved, the medical-grade polycarbonate oval outer ring and the medical-grade polycarbonate oval inner ring can be unfolded or folded according to needs, a stable bearing concave face can be formed in an operation to prevent a crystalline lens from falling off, and the use effect of the medical-grade polycarbonate oval outer ring and the medical-grade polycarbonate oval inner ring is improved. In addition, numerical value marks of the observation opening provide visual screwing depth reference for doctors, and the postoperative infection risk is reduced by combining tight sealing of liquid in the eyes through the sealing ring.

The invention relates to the technical field of medical detection, in particular to a brain tumor postoperative infection evaluation model based on a cerebrospinal fluid (CSF) test index, which is used for rapidly diagnosing intracranial infection and predicting patient prognosis. A brain tumor postoperative infection assessment model construction method is characterized by comprising the following steps: (1) integrating cerebrospinal fluid total protein C-TP, glucose C-Glu, chloride C-Cl-, leukocyte count C-leukocytes, the number of multinucleated cells C-multinucleated, the proportion of multinucleated cells C-multinucleated%, color, turbidity and Pandy test results through Fisher discriminant analysis, and generating a discriminant function; and (2) prognosis prediction: analyzing the correlation between the cerebrospinal fluid parameter index level and the infection control time. By analyzing 389 patient data, 9 CSF parameters with significant differences are screened out, a model is constructed, and the clinical value of the model is verified.

The invention discloses quick-acting repair powder for treating burns, scalds, sores and ulcers and a preparation method of the quick-acting repair powder, and the quick-acting repair powder achieves multiple effects of resisting inflammation, relieving pain, promoting tissue regeneration, repairing and the like through specific particle size control and a sterilization process. Clinical data show that the preparation has a remarkable curative effect on deep III-degree burn, pustule ulceration and postoperative infected wounds, the healing period can be shortened by 50% or above, and no scar is left. According to the preparation method, low-temperature crushing and radiation sterilization are combined, and the biological activity of active ingredients is reserved to the maximum extent.

The present invention provides a surface-modified medical titanium material with antibacterial effect, a preparation method and an application thereof, and belongs to the technical field of surface modification of metal materials. The surface-modified medical titanium material of the present invention is modified on the surface of pure titanium to achieve antibacterial effect, specifically by using gold nanoparticles as a carrier to load polyhexamethylene biguanide hydrochloride, thereby obtaining a modified titanium material with both antibacterial effect and extremely low cytotoxicity. The preparation method of the surface-modified medical titanium material comprises the following steps: using piranha lotion to obtain a plurality of hydroxyl functional groups on the titanium surface, then using 3-aminopropyltrimethoxysilane for grafting and loading, and then using gold nanoparticles and polyhexamethylene biguanide hydrochloride respectively to obtain a titanium modified material loaded with gold nanoparticles and polyhexamethylene biguanide hydrochloride through electrostatic adsorption. The pure titanium modified material prepared by the present invention has a significant antibacterial effect and has no toxic effect on cells, and can effectively prevent and treat postoperative infection of titanium implants.

The utility model relates to the technical field of medical flushing, and discloses an interventional operation flushing device with a splash-proof function, which comprises a water storage device, the bottom of the water storage device is communicated with a water delivery pipe, one end of the water delivery pipe far away from the water storage device is communicated with a cleaning gun, and the left side of the cleaning gun is provided with a splash-proof mechanism. The right side of the water storage device communicates with a cleaning mechanism, the splash-proof mechanism is composed of a mounting assembly and a splash-proof assembly, the splash-proof assembly comprises a splash-proof cover, the inner wall of the splash-proof cover is rotationally connected with a rotating cover, the right side of the rotating cover is fixedly connected with a rubber ring, and the mounting assembly comprises a telescopic rod. And the right side of the cleaning gun communicates with a water spraying pipe. According to the utility model, through the structures such as the telescopic rod, the splash-proof cover and the water spraying pipe, liquid splashing generated when flushing liquid is sprayed to a surgical site is blocked, so that the splashing liquid is effectively prevented from carrying germs to diffuse, the pollution of a surgical area and the surrounding environment is reduced, and the possibility of postoperative infection of a patient is reduced.