18results about How to "Reduce infection" patented technology

The utility model discloses a plant explant liquid tissue culture device which comprises a box body, an inner ring is fixedly connected to the inner wall of the box body, a large aseptic cotton piece is placed at the top of the inner ring, a suction cup and a limiting frame are fixedly connected to the inner bottom face of the box body, the suction cup is located in the limiting frame, and the large aseptic cotton piece is placed in the limiting frame. A culture assembly is arranged in the limiting frame, the culture assembly comprises a culture box, a placement ring, a sterile cotton piece and a small sterile cotton piece, the placement ring is fixedly connected to the inner wall of the culture box, and the sterile cotton piece is fixedly connected to the bottom of the placement ring. By arranging the box body, the inner ring, the large aseptic cotton piece, the culture boxes, the placing ring, the aseptic cotton piece and the small aseptic cotton piece, the large aseptic cotton piece is arranged in the box body, the small aseptic cotton piece is also arranged in each culture box, and air entering the culture boxes can be disinfected, so that external bacterial infection is reduced, and the survival rate of explants is increased.

The application discloses an ambulance route planning method based on patient state, and relates to the technical field of route planning. The method comprises the following steps: acquiring vital sign data of a target patient and a departure position of the target patient; determining whether the target patient is infected with a virus according to the vital sign data; if the target patient is infected with the virus, acquiring human flow density data and path environment data between the departure position and a target position of an ambulance; and planning a route of the ambulance according to the human flow density data and the path environment data. The application can avoid the areas with concentrated human flow and the areas where the virus is easy to spread, so as to avoid the transmission path and the infection receptor, thereby reducing the infection of bacteria in the first-aid route.

This utility model relates to the field of textile fabrics, and more particularly to a green and environmentally friendly fabric, comprising a reinforcing surface layer and an environmentally friendly base layer. A heat-melting yarn is disposed between the reinforcing surface layer and the environmentally friendly base layer. The environmentally friendly base layer is made of regenerated cellulose fibers. The top and bottom ends of the heat-melting yarn are fixedly connected to the reinforcing surface layer and the environmentally friendly base layer, respectively. The heat-melting yarn is woven from heat-melting fibers. The reinforcing surface layer is woven from fiber bundles, which include tensile fibers, flame-retardant fibers, absorbent fibers, polyester fibers, and corrosion-resistant fibers. The tensile fibers, flame-retardant fibers, absorbent fibers, polyester fibers, and corrosion-resistant fibers are bundled together to form a tight structure. This invention solves the technical problems of insufficient environmental performance and functionality in traditional fabrics.

This utility model discloses an adjustable steam flow rate umbilical therapy device for traditional Chinese medicine, relating to the field of umbilical therapy technology. The device includes: a mounting block with an adhesion ring on its outer side; and an adjustment mechanism located on the outer side of the mounting block, comprising a fixing block and an outlet pipe. An opening is formed on the outer side of the mounting block, and the outlet pipe is housed within the opening. Five sets of outlet holes are formed on the outer side of the outlet pipe, and a fixing block is fixedly mounted on the outer side of the outlet pipe. By rotating a knob, the knob moves on a threaded cylinder, causing the fixing block to move under the guidance of the mounting cylinder. This moves the outlet pipe within the fixing cylinder, positioning the outlet holes within the opening of the mounting block. The outer side of the outlet pipe fits against the inner side of the mounting block, effectively blocking the outlet and reducing the steam flow. This controls the steam flow rate, preventing excessive steam flow and temperature from causing burns to the patient's skin, reducing safety hazards, and improving the therapeutic effect.

The application discloses an anorectal muscle electric stimulation training instrument, which comprises an electric stimulation training instrument main body, wherein the electric stimulation training instrument main body comprises a handle body and a stimulation training rod; the stimulation training rod is arranged at the front end of the handle body; two electrode sheets are arranged at the two sides of the end of the stimulation training rod; an arc-shaped ball end is further arranged at the end of the stimulation training rod; and the electrode sheets are electrically connected with an electric stimulation transmitter host. The anorectal muscle electric stimulation training instrument comprises the electric stimulation training instrument main body, and the electric stimulation training instrument main body comprises the handle body and the stimulation training rod. The electric stimulation training instrument main body is used for replacing the fingers of medical staff to perform rectal stimulation training, so that the fatigue of the medical staff is reduced, the infection of bacteria is reduced, and the stimulation efficiency is improved; different stimulation modes can be used according to different patients, the comfort of the patients is improved, and the patients are facilitated to complete defecation.

This invention provides an external fixation frame for limb fractures, relating to the field of fracture fixation technology. It includes a main fixation component, a secondary fixation component, a length adjustment component, an angle adjustment component, a fixation element, and a movement component. The main fixation component includes a main fixation frame with a main adjustment groove on its long side and main through-channels on both its upper and lower sidewalls. The secondary fixation component includes a secondary fixation frame with a secondary adjustment groove on its long side and secondary through-channels on both its upper and lower sidewalls. The length adjustment component allows for adjustment of the distance between the two fixation positions, making it suitable for fractures of different lengths. Furthermore, the use of a drug-eluting silicone sleeve effectively inhibits early bacterial colonization, significantly reducing the risk of pin tract infection and secondary loosening.

The utility model relates to the technical field of oral cavity restoration, and discloses a tooth filling forming clamp convenient to use, which comprises two clamping arms and two beak edges, the two beak edges are respectively arranged on the sides, close to each other, of the two clamping arms, the vertical height difference between the two beak edges is 3mm, and the width of the two beak edges is 10mm. And the beak edge is set to have different widths according to different clamped tooth positions. According to the utility model, through the unique design of the beak edges with one high part and one low part and the height difference of 3mm, hyperplasia gingiva can be pushed away in a non-invasive manner, so that wounds caused by traditional gingival resection are avoided, and the pain of a patient and the risk of postoperative complications are reduced; the diversified beak edge widths are adaptive to different tooth positions, so that the clear operation view is ensured, and the repairing precision is improved. Meanwhile, holes are formed in the clamping arms, so that the weight is reduced, the clamping wings are convenient to control, the connecting blocks and the clamping bows provide stable elastic support, the flexibility and stability of surgical operation are guaranteed, and the clinical treatment efficiency and the repair success rate are remarkably improved.

This application provides a self-generating nano-silver PVDF composite fiber, comprising polyvinylidene fluoride (PVDF) and nano-silver, which are combined via electrospinning. By introducing AgNPs into the piezoelectric material PVDF and fabricating it into micro-electric nanofibers using electrospinning, this fiber possesses both the long-lasting, broad-spectrum antibacterial properties of nano-silver and the ability to continuously generate microcurrents on the wound surface. It does not rely on external devices such as fixed power supplies and electrode pads required for commonly used clinical electrical stimulation, making it highly significant and effective in reducing post-burn / traumatic infection, promoting wound healing, and ensuring patient safety and timely recovery. This solves the problem of poor stability and environmental limitations of PVDF nanocomposite membranes, which negatively impact wound healing. This application also provides a method for preparing the self-generating nano-silver PVDF composite fiber and its application in preparing dressings for treating burns and wounds.

The embodiment of the application discloses a circulating water aquaculture system, comprising: an aquaculture pond, a solid-liquid separation device, an elevator, a protein separator, a biochemical water treatment device and a backflow unit, the aquaculture pond, the solid-liquid separation device, the elevator, the protein separator and the biochemical water treatment device are sequentially arranged along a water inlet direction, and the backflow unit is connected with the biochemical water treatment device and the aquaculture pond. The circulating water aquaculture system can make the treated aquaculture wastewater backflow to the aquaculture pond for recycling, so that the aquaculture pond only needs to supplement a small amount of water, which can greatly save water resources, greatly reduce the infection of pathogenic bacteria brought by additional water, and effectively improve the aquaculture density and the aquaculture quality.

This utility model discloses a depth-limiting sheath assembly for endoscopic-assisted anterior cervical surgery, comprising an outer sheath and an inner sheath, the inner sheath being inside the outer sheath. The outer sheath has a depth-limiting locking block at its tip, which, during operation, can be locked in front of the cervical vertebrae to limit the depth of the sheath and endoscope. One end of the outer sheath is fixedly connected to a receiving cavity, and a pressure block is disposed within the receiving cavity. One end of the pressure block is connected to the receiving cavity via a first spring, and the pressure block is slidably connected to the receiving cavity. This utility model provides a depth-limiting sheath assembly for endoscopic-assisted anterior cervical surgery, which, through the relative movement of the spring-loaded pressure block between the endoscope and the sheath, limits the depth and allows for relative adjustment of the endoscope's position, facilitating observation of the intervertebral discs.

The utility model relates to medical appliance technical field, especially a surgical stoma bag, including bag body, filter assembly, fit disc and drainage encapsulation component, the bag body is by two layer membrane material composition, and the edge between two layer membrane material is provided with heat seal ring connection to form the accommodation cavity, one side of bag body is provided with waste liquid inlet, fit disc sets up on waste liquid inlet, filter assembly sets up in one side of accommodation cavity and is used for filtering the smell in accommodation cavity, one side of bag body is provided with drainage end away from filter assembly, drainage end is provided with drainage groove, one end of drainage groove is communicated to the accommodation cavity, and drainage encapsulation component includes encapsulation element and fixed element, and the fixed element sets up at the port of drainage groove, and the encapsulation element is used for encapsulation fixed after folding drainage end, the utility model has improved the convenience, security and comfort of postoperative nursing significantly, has guaranteed the health safety of whole use period.

This utility model discloses a disposable pre-filled heparin sodium saline sealing assembly, comprising a syringe, a packaged vial, a Luer conical connector, and a Luer locking connector. The syringe head is mounted to the Luer locking connector, and the syringe contains sterile saline. The vial opening is mounted to the Luer conical connector. The Luer conical connector has a rotating mounting cap and a conical head. The mounting cap is screwed onto the vial opening, and the mounting cap and conical head have a communicating channel. The mounting cap has an opening / closing gate within the channel for opening and closing the channel. The outer wall of the conical head has a threaded structure. The Luer locking connector has a locking cap with an internal threaded structure, which is threaded onto the conical head. The locking cap drives the conical head to rotate on the mounting cap, thereby opening and closing the opening / closing gate. The sterile saline from the syringe is injected into the packaged vial along the channel. This utility model can reduce the occurrence of catheter-related bloodstream infections during use and saves configuration time.

The invention discloses a maxillary sinus internal lifting operation sinus membrane detacher with a pressure limiter. The maxillary sinus internal lifting operation sinus membrane detacher comprises a handle, a main body part, a connecting part and a working end which are connected in sequence, a main body hollow part and a connecting hollow part which are communicated with each other are formed in the main body part and the connecting part, and the diameter of the main body hollow part is larger than that of the connecting hollow part; a pressure limiting device is arranged in the hollow part of the main body and comprises a pressure spring, a spring lower limiting piece, a connecting rod and a limiting plate which are arranged in the axial direction of the hollow part of the main body, the spring lower limiting piece is fixedly installed in the hollow part of the main body, one end of the pressure spring makes contact with the spring lower limiting piece, and the connecting rod is arranged in the connecting hollow part; one end of the connecting rod is fixedly connected with the working end, and the other end of the connecting rod extends into the hollow part of the main body and is fixedly connected with the limiting plate matched with the hollow part of the main body. The sinus membrane stripper is reasonable and simple in structural design, sinus membrane tearing or perforation caused by excessive force application can be avoided, the safety of an operation is improved, and the application prospect is good.

The present invention provides methods for preventing, inhibiting or treating a surgical site infection associated with a surgical operation comprising the step of applying to the surgical site a biocompatible, biodegradable substrate being impregnated and / or having its surface coated fully or partially with a matrix composition which provides local controlled and prolonged release of at least one pharmaceutically active agent at the surgical site.

The utility model relates to the technical field of medical instrument manufacturing, and discloses a medical catheter multifunctional punching all-in-one machine which comprises a shell, an air cylinder is fixedly connected to the upper surface of the shell, the output end of the air cylinder is fixedly connected with a supporting cover, a punching head is arranged below the supporting cover, and a replacement assembly is arranged on the lower side in the supporting cover. A shifting assembly is arranged above the shell and comprises a fixing ball, the outer wall of the fixing ball is slidably connected to the lower side of the interior of a supporting cover, a moving column is slidably connected to the upper side of the interior of the supporting cover, a shifting plate is fixedly connected to the outer wall of the moving column, and a first spring is fixedly connected to the inner wall of the moving column. And one end of the first spring is fixedly connected with a fixed column, the lower surface of the movable column is fixedly connected with a first movable table, and one end of the first movable table is fixedly connected with an extrusion ball. According to the utility model, the requirement of the shape of the hole required by the guide pipe can be met, the processing of various holes is realized, and the high-efficiency processing production can be realized.

This invention provides a compound prebiotic concentrate for enhancing the performance of fast-moving consumer goods (FMCG) food, its preparation method, and its application, belonging to the field of prebiotic technology. The compound prebiotic concentrate for enhancing the performance of FMCG food comprises the following components in parts by weight: 10-20 parts fructooligosaccharides, 15-25 parts isomaltooligosaccharides, 10-20 parts galactooligosaccharides, 4-10 parts synergistic agents, and 10-20 parts water. This prebiotic concentrate promotes intestinal health, stabilizes blood sugar levels, reduces the risk of diabetes and colorectal cancer, and when added to food, has anti-weight-gain effects, improves the body's absorption of minerals such as calcium and magnesium, enhances the body's immune response, reduces the risk of infection and inflammation, and alleviates digestive problems such as constipation and diarrhea.

The utility model discloses a protective patch for preventing urine from infecting an anus wound, which comprises a wound dressing patch, the wound dressing patch comprises a medical sterile patch, application medicine is arranged in the middle of the medical sterile patch, and a medical waterproof adhesive tape is adhered to the top of the medical sterile patch; the flexible blocking frame is arranged at one end of the wound dressing plaster, a through groove is formed in the end, close to the flexible blocking frame, of the medical sterile plaster, and the rear end of the flexible blocking frame is located on the inner side of the through groove. According to the protective patch for preventing the urine from infecting the anus wound, through the matched design of multiple structures, the protective patch can cover the wound, the phenomenon of wound infection is reduced, urine can be blocked through the flexible blocking frame, the urine is prevented from making contact with the wound dressing patch, the urine is effectively prevented from infecting the wound, and the wound is prevented from being infected by the urine. The fixing firmness of the wound dressing paste can be effectively improved through the medical proof fabric, and the phenomenon that the wound dressing paste accidentally falls off when the patient moves is reduced.

The application discloses a self-adapting diameter-reducing nerve sleeve applied to a nerve injury of a disconnecting type and a preparation method of the nerve sleeve. The inner diameter of the nerve sleeve is larger than the outer diameter of a nerve to be repaired. The nerve sleeve is a tube with a consistent diameter. The nerve sleeve can be self-adaptively shrunk under the body temperature or a safe stimulation to the human body, so that the nerve sleeve is in close contact with the nerve in the nerve sleeve. The main body of the nerve sleeve is a phase-change shrinkable hydrogel. An adhesive coating is arranged on the inner layer of the nerve sleeve. In order to improve the shrinkage efficiency, the nerve sleeve contains a photo-thermal effect material, such as a carbon nanotube. In the preparation, a hydrogel precursor solution is prepared first, then is cast into a mold, is shaped through calcium ion cross-linking and / or ultraviolet cross-linking, and is demolded after shaping. The adhesive coating is arranged after demolding. The application of the nerve sleeve can reduce the difficulty of nerve butt joint. The 360-degree self-adapting shrinkage can greatly reduce the contact difficulty of the nerve sleeve and the nerve. In addition, the contact effectiveness is ensured, and the operation time is saved.