61 results about "Infection risks" patented technology

This invention discloses an infection early warning model and prediction system for critically ill patients based on multimodal monitoring data, belonging to the field of medical artificial intelligence and clinical decision support technology. The system collects multi-source heterogeneous physiological signals, laboratory test indicators, imaging features, and nursing records from patients. Through a self-designed cross-modal feature fusion algorithm and dynamic weight adjustment mechanism, it constructs a nonlinear infection risk prediction model. Furthermore, time-series segmented coding and adaptive threshold correction methods are introduced during model training to achieve early and accurate infection early warning. Compared with existing technologies, this invention significantly improves the sensitivity and specificity of prediction and maintains stable performance across different departments and diseases.

The utility model discloses a kind of disposable sterile syringe, belong to syringe field, the upper end of injection liquid storage pipe is equipped with docking pipe, the inside of docking pipe is equipped with internal isolator, the upper end of internal isolator is connected with sealing washer, sealing of injection liquid storage pipe liquid outlet is realized by internal isolator, sealing washer.Sterile isolation mechanism design makes injection liquid storage pipe outlet sealed when not being used, prevent external bacteria or virus invasion, ensure that injection medicine is sterile, reduce injection infection risk, it is important to medical operation.Docking cover design realizes stable connection with injection liquid storage pipe, through inner hole and inner insertion needle structure, ensure that insertion needle and liquid storage bin accurately communicate, make medicine smoothly push into patient's body, reduce operation leakage risk, improve injection accuracy and safety.Inner insertion needle setting facilitates operator insertion needle, its tip bevel design expands liquid inlet, stably set in the inner hole of docking cover, prevent when operating to stab operator, ensure its safety.

The application relates to a corneal drug delivery scleral lens, which comprises a lens body, the lens body comprises a treatment area, a reverse area and a landing area from the center to the outside, the treatment area is located in the center, the reverse area is arranged around the treatment area and is used for connecting the treatment area and the landing area, the landing area is arranged around the reverse area and is used for supporting a scleral surface, so that a liquid accumulation layer is formed between a corneal front surface and the lens body; a flow guide pipe is arranged in the lens body in the radial direction, forming a liquid injection end and a drug delivery hole. The scleral lens of the application can supplement liquid medicine through the flow guide pipe without taking off the lens, dynamic fluid replacement is realized, and the cornea is prevented from being damaged by repeated taking off and wearing. When the lens is designed, the height of the reverse area is taken as a core variable parameterization design, the thickness of the liquid accumulation area and the drug concentration are accurately controlled. The overflow hole is normally sealed, and the risk of infection is reduced. The liquid medicine is diffused from the edge to the center, the whole surface of the cornea is uniformly soaked, and the bioavailability is improved.

This invention relates to the field of medical device technology, specifically to a multifunctional medical skin preparation knife, comprising a gripping part and a blade head, the blade head containing a blade; a moving cavity is formed within the gripping part, and a piston rod is slidably fitted within the moving cavity; the side of the blade head away from the gripping part is spherical, and a power component is fixedly connected to one end of the gripping part near the blade head, the output shaft of the power component being coaxially and detachably connected to a central block, the central block having several slots for clamping the blade; a processing cavity is formed within the blade head, the central block being located within the processing cavity, and several contact grooves are formed on the surface of the blade head, the contact grooves communicating with the processing cavity; an air exchange mechanism for suction or pumping air is provided between the processing cavity and the moving cavity; this invention reduces the difficulty of cleaning hair in recessed and wrinkled areas and the generation of hair residue, while also reducing the risk of infection and medical costs through the detachable blade head structure.

This invention belongs to the field of medical device technology, specifically relating to a fluid self-excited vibration anti-blockage chest drainage tube and an anti-blockage drainage method. It includes a drainage tube body made of medical flexible material; 3-5 chamfered drainage holes are evenly distributed circumferentially at the distal end of the drainage tube body, with rounded edges at the holes having a radius of 0.3-0.5 mm; a threaded connector for quick connection with an external drainage device is fixedly provided at the proximal end of the drainage tube body. The core of this invention, the turbulence section and the variable cross-section oscillation section, are independently arranged along the tube axis, completely avoiding the low vibration efficiency and easy jamming problems caused by the simultaneous placement of the vibrating component and the variable cross-section structure in the prior art. The self-excited vibration generating cavity formed relies solely on the fluid kinetic energy of the pleural effusion or gas to drive the vibration, requiring no external power, significantly reducing equipment complexity and infection risk.

The application discloses a material for preventing tissue adhesion and hemostasis and a preparation method thereof, and relates to the technical field of medical biomaterials.The carboxymethyl cellulose, chitosan and vancomycin / ceftazidime are synergistically matched, so that the three functions of hemostasis, adhesion prevention and antibiosis are integrated;meanwhile, the water absorption and gelation of the carboxymethyl cellulose and the blood coagulation activation of the chitosan can jointly strengthen the hemostasis effect; the tissue barrier function of the chitosan and the gel isolation of the carboxymethyl cellulose can jointly improve the adhesion prevention performance; the broad-spectrum antibiosis of the vancomycin and the ceftazidime can respond to the infection risk in different surgical scenes; the material preparation process is simple, the dosage form can be adjusted according to different surgical scenes, the material has good biocompatibility and can be completely degraded, the problem that the existing medical materials have single function and are difficult to meet the needs of complex surgical wounds is solved, and the material has significant clinical application value.

The present application relates to the technical field of medical apparatus and discloses a surgical wound cleaning and draining device, which comprises a moving box and a cylinder. A universal flow guide is installed on the cylinder, and a sponge part is detachably connected to the bottom of the universal flow guide and located in the cylinder. A draining cover is detachably connected to the bottom of the cylinder. The moving box is divided into a liquid supply cavity and a waste liquid cavity by a partition. A liquid supply part and a suction part are installed on the front side of the partition. The liquid supply part is in communication with the liquid supply cavity, and the suction part is in communication with the waste liquid cavity. The liquid supply part is detachably connected to the universal flow guide for delivering cleaning liquid into the universal flow guide. The present application forms a closed cleaning environment by the draining cover, changes the traditional jet flushing into uniform moistening by the sponge part, cooperates with the suction part to recycle waste liquid in time, adjusts the angle of the flow guide pipe by the universal part, realizes flexible wiping, moistening and debridement, and the sponge part can be left as a dressing for integration of cleaning and dressing, reducing the risk of wound exposure and infection.

This invention provides a waterproof and protective bath panty for cesarean section incisions. Compared with existing technologies, this invention's waterproof and protective bath panty for cesarean section incisions is composed of an inner waterproof layer, a middle breathable insulating layer, and an outer skin-friendly adhesive layer, forming a tubular panty body. The waistband and leg openings are folded back to form an annular edge channel, with an elastic sealing ring inside the channel. The inner side of the channel has an inward-folding waterproof lip to form a circumferential seal. The edge channel has an inlet for assembling and sealing the sealing ring. The left and right sides of the panty body have tear-away edges, and a pull tab near the waistband allows for tearing from top to bottom. The sealing ring has a pre-fractured section aligned with the tear-away edge, so the sealing ring breaks simultaneously when torn. This structure effectively prevents shower water from entering the incision area, while maintaining breathability and comfort, supporting quick and easy removal, and reducing traction pain and the risk of infection.

This invention provides a fully automated humidification water replenishment control system and method for ventilators. For patients: it maintains a constant optimal humidification water level, significantly reducing the risk of complications such as airway damage, sputum blockage, and condensate reflux, thus improving treatment safety; the fully enclosed aseptic flow path design minimizes the possibility of exogenous infection, reducing infection risk. For nurses and departments: it frees nurses from repetitive tasks, allowing them to focus on more core patient observation and nursing care; it standardizes and refines humidification therapy, reducing human error and improving overall nursing quality; it reduces departmental costs, as preventing complications is itself the most effective cost control. For the industry technology: it integrates non-contact sensing and peristaltic pump aseptic delivery technologies in the field of ventilator humidification, providing a superior solution that differs from existing technologies.

The utility model discloses a respirator convenient to flow monitoring, including air bag main part, air bag main part one end is provided with flow monitoring mechanism, air bag main part's top fixedly connected with check valve, check valve one end is provided with fixed establishment, flow monitoring mechanism includes, flow sensor, flow sensor sets up air bag main part one end, U -shaped pipe, U -shaped pipe intercommunication is connected in the surface of air bag main part, air spring, the utility model discloses simple structure, reasonable in design, avoid the air pressure to be too big, thereby to the lung of patient causes harm, and further help medical staff to ensure that the ventilation provided by device meets the demand of patient, and fixed establishment includes face guard, silica gel pad, air bag pipe and flannelette, can effectively prevent the bacteria, virus etc. in air from entering the airway of patient, reduce the risk of infection, and also convenient for the patient of different head circumference to adapt to use face guard, avoid too tight and hold the patient of head circumference bigger.

Systems and methods for preventing, treating, or managing the risk of infection in a closed subcutaneous cavity. In one example, the method comprises (a) implanting an elongated fluid conduit such that the fluid conduit communicates with a closed subcutaneous cavity, and (b) operating a perfusion system according to a perfusion treatment program, the operation of which comprises (i) delivering perfusion fluid from a perfusion fluid source through the fluid conduit to the closed subcutaneous cavity according to parameters of the perfusion treatment program, (ii) enabling the retention of the perfusion fluid in the closed subcutaneous cavity according to another parameter, and (iii) delivering the perfusion fluid from the closed subcutaneous cavity through the fluid conduit according to another parameter.

The embodiment of the present application relates to a kind of medicine injection equipment, including shell, driving device and injection needle device, the shell is used to fix the driving device and injection needle device, wherein, driving device includes swing module, drive module, stop module and propulsion module;Injection needle device includes soft needle slider, force storage element, hard needle slider, energy storage element, slide chute, stop rod, push element, limit pin and trigger element;The present equipment integrates the drive module of ratchet screw cooperation, automatic injection needle module, reduces manufacturing cost and energy consumption, reduces weight, is convenient to use and carry;Output is more stable, direct, reliable, is conducive to the accurate control of the injection volume of patient's medicine liquid;Injection needle device is injected to subcutaneous, hard needle is automatically rebounded, soft needle is left in subcutaneous, reduces the number of needle puncture, reduces the risk of infection, with good antibacterial property, sealing property.

This invention relates to an infection risk control method for digital dental clinical operations. The method includes: step S1, collecting hygiene data for diagnosis and treatment; step S2, scoring the hygiene of the preparation stage based on a scoring model and the hygiene data, and outputting disinfection decisions; step S3, monitoring disinfection based on the disinfection decisions, and supplementing the disinfection decisions based on the monitoring results; step S4, predicting the infection risk of the treatment stage based on the hygiene data, and adjusting the supplementary disinfection decisions based on the predicted infection risk results; step S5, identifying the treatment stage in real time based on the hygiene data, and optimizing step S4; and step S6, providing infection control training to target medical personnel based on the risk control operation data of digital dental clinical operations. This method is beneficial for multi-angle monitoring of the treatment process in digital dental diagnosis and treatment, reducing the risk of infection.

The utility model relates to a dispensing device for gynecological tumor department nursing, including dispensing cabinet, the operating table is equipped in the middle part of dispensing cabinet, the operating table upper portion is equipped with the rotating disc and is used to drive the first drive mechanism of rotating disc rotation, the rotating disc is equipped with a plurality of first clamping parts for clamping small medicine bottle along its circumference, the operating table bottom is equipped with the second clamping part of being located small medicine bottle directly below and is used to drive the second drive mechanism of second clamping part along the vertical direction removal, the operating table bottom still has the medicine bottle of placing, small medicine bottle and medicine bottle are connected through the catheter, and the both ends of catheter are equipped with needle respectively, and the middle part of catheter is equipped with infusion pump, and the second clamping part is used for clamping the catheter and needle close to small medicine bottle one end. This dispensing device for gynecological tumor department nursing can reduce the time of medical staff contacting small medicine bottle with hand in the dispensing process, thereby reducing the risk of infection, and protecting the health of medical staff.

This utility model discloses an anti-blockage drainage tube for tumor treatment, comprising: an upper drainage tube, a lower drainage tube, a first ball valve, a second ball valve, a third ball valve, a brushing assembly, a flushing assembly, and a drainage ball. The device uses four drainage tubes in conjunction with the opening and closing of three ball valves to unclog the drainage tubes in sections, one above the other. The brushing assembly unclogs the upper drainage tube, and the flushing assembly flushes the lower drainage tube. This overcomes the shortcomings of using only a brush for unclogging, such as insufficient brush length leading to incomplete unclogging or excessively long unclogging paths, and the problem of liquid easily entering the patient's cavity or inadequate flushing when only flushing with water. The brushing and flushing assemblies can be omitted when not unclogging the tubes, reducing interference with the patient's daily activities. The drainage ball generates negative pressure to ensure smooth drainage of the drainage material, while simultaneously collecting the flushed liquid, maintaining hygiene in the drainage area and reducing the risk of infection.

This invention discloses a predictive model for early fever and infection after CAR-T therapy. The equation for this predictive model is: P = 1 / (1 + e^(-3.23 + 0.017 × CRP + 0.003 × IL - 6 - 0.023 × platelet count - 8.048 × lymphocyte count - 1.241 × FCV + 1.6146 × neutropenia grade)); where P is the probability of infection. P < 0.20 is defined as low risk, classified as CRS; 0.2 ≤ P ≤ 0.6 is defined as medium risk, requiring further testing to determine whether it is infection or CRS; P > 0.6 is defined as high risk, classified as infection. This predictive model is used to predict the likelihood of infection in the first fever event after CAR-T therapy. By analyzing various clinical laboratory indicators and combining logistic regression analysis, the model screens out key predictive factors related to infection risk, ultimately establishing an efficient and easy-to-use predictive tool. This model can effectively predict the occurrence of infection, provide clinicians with guidance for early intervention, reduce unnecessary clinical testing, and optimize patients' treatment plans.

The present application relates to the technical field of medical devices, in particular to a self-lubricating sputum suction device, comprising a sputum suction catheter, a flow guide sleeve arranged outside the sputum suction catheter, a liquid storage bag arranged at the upper end of the flow guide sleeve and surrounding the sputum suction catheter, and a lubricant filled in the liquid storage bag. In the present application, the lubricant is pre-packaged in the liquid storage bag integrated with the catheter, without the need for complicated steps such as preoperative unpacking, liquid pouring and smearing. The sputum suction preparation process is simplified, which can save valuable time in emergency rescue. Moreover, the whole process is sterile, which eliminates the risk of infection. The lubricant is sealed in the liquid storage bag during the production stage, and the storage, release and coating of the lubricant are all completed in the closed cavity (the gap between the flow guide sleeve and the catheter), which greatly reduces the risk of iatrogenic infection. In addition, the annular gap between the flow guide sleeve and the sputum suction catheter is used to overcome the defects of uneven thickness, local dryness or excessive accumulation during manual smearing by combining the surface tension of the liquid and the capillary action.

The application relates to the technical field of medical devices, and discloses an intelligent monitoring and early warning system for postoperative complications in thyroid and breast surgery, which comprises a fluid monitoring and control module, a tissue mechanics sensing module and a central processing control module; the fluid module is used for negative pressure regulation and control and fluid parameter acquisition; the tissue module is used for collecting body surface tension signals; the central processing control module determines pipeline physical blockage through active flow resistance identification, and jointly checks the blockage state by using a tissue tension baseline and a change rate, so that blood clot blockage, negative pressure wall suction and active bleeding can be accurately distinguished; the system drives a non-contact dredging control module based on a safety gate signal, and constructs in-pipeline fluid shear stress by using a high-frequency vibration pressure wave to peel off blockage; the application can realize intelligent state identification and sterile maintenance of a drainage pipeline under the premise of maintaining a closed environment, and effectively prevents postoperative hydrops and infection risks.

This invention provides a wound healing dressing for postoperative care of tumor patients and its preparation method, belonging to the field of postoperative dressing technology. The dressing comprises boric acid-grafted GelMA, caffeoyl tartaric acid-grafted CSMA, aldehyde-modified diallyl tartaramide, sodium alginate, catechins, ferric chloride, and calcium chloride. Its preparation process utilizes dynamic imine bonds, UV-induced covalent cross-linking, ionic cross-linking, and metal coordination to construct a multi-layered cross-linked interpenetrating network structure. The resulting dressing possesses both high strength and good toughness, allowing it to closely adhere to irregular wound surfaces. The rapid initial release of catechins provides immediate antioxidant and hemostatic effects, while catechols are continuously and slowly released under the influence of the microenvironment. Simultaneously, cationic chitosan, catechins, and iron ions synergistically provide antibacterial effects, and calcium alginate promotes coagulation, while GelMA promotes cell adhesion and proliferation, comprehensively promoting wound healing, reducing the risk of infection, and making it suitable for the care of complex wounds after tumor surgery.

The application discloses a kind of oral cavity visualizing medicine sprayer, belong to oral cavity medicine spraying equipment technical field, including casing, display, bacteria-proof cover, transmission assembly, visualizing medicine spraying hose, display is hinged on the top wall of casing, transmission assembly is engaged and installed in casing, visualizing medicine spraying hose is engaged with transmission assembly contact connection, and visualizing medicine spraying hose is engaged and slides in casing, bacteria-proof cover is sleeved on the outer wall of visualizing medicine spraying hose.The present application is to overcome the defects that patient cannot directly see the inside of mouth, medicine spraying pipe cannot be bent and adjusted, lack of tooth support structure and lack of bacteria-proof isolation design in the prior art, provide a kind of oral cavity visualizing medicine sprayer, effectively solve the problem that oral cavity medicine spraying equipment on current market blindly sprays medicine, leading to difficulty in accurately delivering medicine to lesion, unable to reach deep corner of mouth, long time mouth opening is easy to bite soft tissue or damage equipment, and repeated use exists cross-infection risk.

The application relates to a tibial transverse bone distraction device and relates to the technical field of medical instruments. The tibial transverse bone distraction device comprises a distraction plate, a first locking screw rod for being fixedly connected with a tibia is arranged on the distraction plate, and the first locking screw rod is in sliding connection with the distraction plate; a balloon groove is arranged on the side surface of the distraction plate, an inflatable balloon is arranged in the balloon groove, a connecting catheter for injecting and extracting contrast agent into the inflatable balloon is connected with the inflatable balloon; the connecting catheter is respectively connected with a contrast agent infusion mechanism and a pressure detection mechanism for monitoring the pressure in the inflatable balloon; and a second locking screw rod for being fixedly connected with an osteotomy block is further arranged on the distraction plate. The distraction plate in the application can be embedded in subcutaneous soft tissue, and after the wound is sutured, the bone wound exposure can be greatly reduced, the nail channel trauma on the subcutaneous soft tissue is also reduced, the infection risk is greatly reduced, and the healing effect of the operation is improved.

This invention discloses an intelligent early warning system and method for infection control in intensive care units (ICUs), specifically relating to the fields of medical informatics and ICU infection control technology. Technical Problem: Addressing the issues of single data dimensions, rigid early warning thresholds, and disconnect between response and treatment in traditional ICU infection monitoring. Solution: Constructing a multi-source data fusion sensing network, employing a deep temporal model embedded with clinical knowledge to achieve dynamic risk assessment, triggering tiered early warnings based on individualized thresholds and intelligently linking with disinfection / isolation equipment, and continuously optimizing the model through a federated learning framework. Beneficial Effects: Achieving early detection of infection risks, individualized and accurate early warning, and automatic execution of prevention and control measures, improving the efficiency of closed-loop infection control management in the ICU.

This invention relates to the field of medical nursing equipment technology, specifically to a wound and stoma infection prevention and care device. It includes a bag body with an adhesive-coated base fixedly connected to it. The base has a slit in its center, and an annular cavity is fixedly connected to the side of the base closest to the skin. The wall of the annular cavity is made of silicone, and several through holes are formed in the inner wall of the annular cavity. Antibacterial medication is placed inside the annular cavity. An absorption component is provided on the base to assist in absorbing exudate and reduce the risk of infection. This invention, by setting a silicone annular cavity containing antibacterial medication on the skin side of the base, in conjunction with the absorbent resin strip component inside the base, achieves targeted release of antibacterial medication for sterilization and active absorption and transfer of exudate, thus reducing the risk of stoma infection through a dual effect.

The utility model relates to medical instrument technical field discloses an adjustable limb fixing clamp, including lower clamping plate, the inner surface fixed connection of lower clamping plate has spring, the other end elastic connection of spring has elastic plate, the surface fixed connection of elastic plate has heat preservation strip, the one side fixed connection of lower clamping plate has rotation subassembly, the other side swing joint of rotation subassembly has upper clamping plate, the surface of upper clamping plate is equipped with the air hole, the one end fixed connection of upper clamping plate has upper connecting plate, the one end fixed connection of lower clamping plate has lower connecting plate. The adjustable limb fixing clamp, through the setting of heat preservation strip and air hole, suitable temperature can promote the blood circulation of fracture site, accelerate the recovery speed, and air can avoid local stuffy damp, reduce the bacterial breeding, reduce the infection risk, help to improve the compliance of patient, better cooperate with the treatment and the rehabilitation process, improve the treatment effect.

This invention relates to the field of medical device technology, specifically to an emergency device for pneumothorax in trauma patients in the field. The device includes a puncture head with an exchange channel at its center, connected to a syringe for aspirating gas, and a piston rod slidably fitted inside the syringe. It also includes a suction cup that slidably engages with the puncture head, connected to the exchange channel, and used to adhere to and hold the puncture head on the skin of the chest cavity. The outer wall of the syringe has a storage cavity for storing disinfectant or anesthetic, connected to the exchange channel. The top of the suction cup has a limiting mechanism for fixing the puncture head based on pressure changes when the puncture head punctures the pleural membrane. This invention reduces the risk of infection for patients, ensures stability during puncture, facilitates independent operation by physicians, and alleviates the stress of field medical procedures.

The utility model relates to foot elevating frame technical field, and disclose multifunctional foot elevating frame, including bottom plate and set in the arc bracket of bottom plate top, still include: two vertical tubes, fixed mounting respectively in the both sides of bottom plate top, two telescopic columns set up respectively in two vertical tubes, two supporting blocks are fixedly installed respectively in the top of two telescopic columns, the bottom fixed mounting of arc bracket has crossbeam, the both ends of crossbeam all fixed mounting have the pole of clapping, two the side of supporting block opposite all set up has the groove for making the pole of clapping to enter. This multifunctional foot elevating frame, through setting up telescopic column that can slide up and down, can realize the fine adjustment of arc bracket height, adapt to the lifting demand of different patients, through the even establishment of the drainage hole on the arc bracket, can realize the automatic discharge of foot liquid seepage or irrigation fluid, avoid the infection risk caused by liquid accumulation.

This invention provides a seven-needle method for three-dimensional biomimetic scalp micropigmentation, relating to the field of scalp micropigmentation technology. Its features include the following steps: pre-operative preparation, pigment mixing, seven-needle technique operation, immediate post-operative care, and phased post-operative care. The seven-needle technique operation includes the following steps: a first layer of basic dotting, a second layer of three-dimensional deepening, a third layer of biomimetic transition, and a fourth layer of random fine-tuning. Pre-operative preparation also includes a pre-operative allergy test. The scalp micropigmentation pigment is a medical-grade pure plant-based pigment free of heavy metals. The advantages of this invention are: by combining seven-needle cluster dotting with multi-layered color gradation, it simulates the natural growth pattern of native hair, enhancing the three-dimensionality and naturalness of the micropigmentation. Simultaneously, it standardizes the operation process and post-operative care, reducing scalp irritation and infection risks, and ensuring a long-lasting and stable scalp micropigmentation effect.