103results about How to "Reduce the incidence of infection" patented technology

The invention discloses a surgical training and evaluation method on the basis of virtual reality. The surgical training and evaluation method is implemented by a database module and execution modules. The database module is divided into a training and evaluation question bank, a surgical stage scene model library, a medical equipment and medicine model library and a disease and therapeutic schememodel library, the execution modules include a training and evaluation selection module, a surgical stage selection module, a medical equipment and medicine selection module and a disease and therapeutic scheme selection module, and the training and evaluation selection module is sequentially connected with the surgical stage selection module, the medical equipment and medicine selection module and the disease and therapeutic scheme selection module. The surgical training and evaluation method has the advantages that surgical training and evaluation can be accomplished by the aid of virtual reality systems, therapeutic schemes can be verified and simulated by the aid of the virtual reality systems, evolution mechanisms of diseases can be observed by the aid of the virtual reality systems,and environment-friendly and safe modes can be provided to surgical skill training and evaluation and therapeutic scheme design emulation; the technical problems of low efficiency, severe waste and high surgical risks of existing surgical training and evaluation methods can be solved by the aid of the surgical training and evaluation method.

The invention discloses a medical catheter carrying a slow-release antibiotic coating and a preparation method thereof. The outer surface of a catheter body (1) is coated with an antibiotic slow-release layer (2), and the antibiotic slow-release layer (2) is a high molecular polymer combined with an antibiotic, preferably a polylactic acid-polyglycollic acid coating. The preparation method comprises the following steps: preprocessing the medical catheter; preparing an acetone solution containing polylactic acid-polyglycollic acid; preparing coating liquid; and settling the coating. The invention has the function of obviously lowering the originating rate of the relevant infection of the catheter. The catheter releases the antibiotic from the inside to the outside in a certain time, directly kills bacteria at the periphery of the catheter and solves the technical problem that the antibiotic can not resist high temperature.

The invention relates to the technical field of medical application, and in particular relates to wound regenerating and repairing bandage and a manufacture method thereof. The wound regenerating and repairing bandage comprises a surface protective layer, wherein a therapy pad is arranged at one side of the surface protective layer, and comprises a nano-fiber membrane, an anti-bacterial chitosan membrane and an alginate layer which are arranged in sequence; the alginate layer is connected with the surface protective layer. The wound regenerating and repairing bandage manufactured by using the method has a remarkable effect in stopping bleeding, resisting bacteria, accelerating wound heating and relieving pains for a wound, is excellent in adhesion, breathability and comfort, can prevent wound adhesion, and has high functions of water absorption and moistening.

The invention relates to a novel poultry micro-ecological preparation and a preparation method of the novel poultry micro-ecological preparation. The preparation comprises following components in part by weight: 0.8-3.5 parts of vitamin A, 0.2-0.8 part of vitamin D, 2-8 parts of vitamin E, 0.2-1.2 parts of vitamin K, 0.1-0.9 part of vitamin B1, 0.2-0.8 part of vitamin B2, 0.1-0.7 part of vitamin B6, 0.08-0.5 part of vitamin B12, 2-5 parts of nicotinamide, 0.8-3.5 parts of calcium pantothenate, 0.02-0.4 part of folic acid, 0.2-1.2 parts of biotin, 0.02-2 parts of vitamin C, 1.3-32 parts of enterococcus faecium, 27-155 parts of bacillus subtilis, 75-210 parts of oligosaccharide, 150-400 parts of pine needle meal and 400-600 parts of bentonite. The novel poultry micro-ecological preparation can improve daily gain, feed intake, feed conversation efficiency of young poultry, reduces death and culling rate of the young poultry, and improves reproductive performance of breeding poultry, laying rate, fertilization rate of hatching eggs, hatching rate, and healthy rate of the young poultry. According to the invention, as double-layer shallow coating is performed to enterococcus faecium, the stress resistance of enterococcus faecium is improved.

The invention discloses a catheter, which comprises a catheter body. A urine inlet hole is formed on the head of the catheter body, and a urine drain hole is formed at the tail of the catheter body. The catheter is characterized by further comprising a head sleeve, wherein one end of the head sleeve is provided with notches or orifices, and the other end of the head sleeve is open and provided with a limiting flange; and the head sleeve can be movably sleeved outside the catheter body. The catheter provided by the invention can avoid bacteria on the inner side of a urethral orifice being brought into the deep part of the urethra and the bladder in a using process, and effectively reduces the occurrence of urinary tract infection of a patient.

The invention discloses an antibacterial surgical suture without being taken out and a preparation method thereof. The surgical suture is prepared from the following ingredients in parts by weight: 80to 100 parts of matrix resin, 1 to 10 parts of sodium carboxymethylcellulose, 1 to 10 parts of polyvinyl alcohol, 1 to 10 parts of glycerinum, 1 to 10 parts of calcium carbonate, 1 to 30 parts of starch, 1 to 10 parts of chitosan, 1 to 10 parts of silk fibroin, 1 to 10 parts of agar and 1 to 20 parts of aloe powder. The antibacterial surgical suture without being taken out disclosed by the invention has good biocompatibility, cells can normally grow on a base frame of the surgical suture, the surgical suture can be completely decomposed into water and carbon dioxide, secondary pain caused bytaking the suture out is avoided, and the surgical suture has antibacterial and anti-inflammation effects, can reduce an occurrence rate of postoperation wound infection and can promote wound healing.

An implant assembly (30) for a long bone is adapted to support an exo-prosthesis. The assembly (30) includes a stem (22), a subdermal component (24) and a percutaneous post (26). The stem (22) has a proximal end (34) that is adapted to be received in a surgically prepared medullary canal of the long bone, and a distal end (4) having a surface that is adapted to promote bone ingrowth. The subdermal component (24) includes a proximal portion (44) that is adapted for attachment to the distal end (40) of the stem (22), and a fixation surface (55) that is adapted to promote soft tissue fixation. The percutaneous post (26) has a proximal end that is adapted to be attached to the subdermal component (24).

The invention discloses a hernia bioremediation mesh and a preparation method thereof. The hernia bioremediation mesh is made of animal tissues, immune ingredients such as cells and DNA are removed, and the animal tissues are cut into thin strips, twisted into threads, and woven into the bioremediation mesh. Xenogeneic decellularized materials obtain greater intensity through twisting into the threads, so that the xenogeneic decellularized materials are not prone to breaking; since the threads are interwoven with each other after weaving, external force of tensile tearing does not act on one point but on a plurality of interwoven points, so that the mechanical properties are good; and the defects that the xenogeneic decellularized material hernia bioremediation mesh has poor mechanical intensity and needs to be introduced with cross-linking agents or synthetic materials are overcome. The structure of the mesh is prepared by a weaving process, and the size of a mesh aperture can be easily adjusted through weaving parameters, so that requirements of practical application are met. Meanwhile, the hernia bioremediation mesh retains an original three-dimensional structure, non-collagen proteins, growth factors and other components of an extracellular matrix, so that the functional reconstruction and postoperative healing of the tissues are promoted.

The invention relates to a trachea cannula capable of removing sputum accumulation and relieving inflammatory reaction. The trachea cannula is provided with a cannula body, a breathing machine connector, an air vent, an airbag, an inflating passage and an inflating tube, wherein hydrophobic and oleophobic layers are arranged on the inner wall and the outer wall of the cannula body as well as on the outer wall of the airbag; a plurality of convex rings are arranged on the airbag, and the convex ring at the nearest end protrudes towards a near end, so that an accommodating groove is formed between a balloon and the cannula body; the edge of the air vent is coiled towards the near end, so that a receiving groove is formed; a sputum suction passage is formed in the inner wall of the cannula body; the sputum suction passage is provided with a first sputum suction hole and a second sputum suction hole; an opening at the far end of the sputum suction passage is a third sputum suction hole; the first sputum suction hole is opened outwards; the second sputum suction hole communicates with the accommodating groove; the third sputum suction hole communicates with the receiving groove; and a sputum suction tube is connected to the near end of the sputum suction passage. With the application of the trachea cannula provided by the invention, sputum can be thoroughly removed, planting and growth of pathogenic bacteria can be relieved, and an infection probability and an occurrence rate of the inflammatory reaction can be reduced; and the trachea cannula is fixed more firmly and cannot cause displacement and air leakage easily.

The invention relates to an interchangeable unicondylar femoral prosthesis system and a knee joint system. The interchangeable unicondylar femoral prosthesis system comprises at least two types of femoral prostheses, wherein each type of femoral prosthesis comprises an osteotomy surface used for being connected with a femur and an articular surface used for being matched with a tibia liner; a fixing part is arranged on each osteotomy surface; each articular surface comprises a posterior condylar articular surface, wherein the maximum distance between the fixing piece and the posterior condylearticular surface is recorded as a first distance, and the first distances of different types of femoral prostheses are the same. The interchangeable unicondylar femoral prosthesis system retains morebone mass of a patient, simplifies operation steps, shortens operation time and reduces infection probability.

The invention belongs to the field of nursing compositions, and discloses a composition, which comprises following components in parts by weight: 0.005 to 0.5 part of sunflower oil unsaponifiable matter, 0.001 to 0.1 part of balloon vine flower/leaf/vine extract, 0.01 to 1 part of echium plantagineum seed oil, 0.001 to 5 parts of tocopherol, 0.1 to 0.3 part of chlorhexidine and chlorhexidine derivatives, 0.1 to 10 parts of paeonol, and 1 to 20 parts of camellia seed oil. The invention aims to provide a composition, which has a good effect on treating eczema, in particular, eczema of babies, the composition has the advantages of mild property, effectiveness, high cure rate, and rapid effect, and the invention also provides an eczema paste containing the composition.

The invention provides a low-residue nutritional formula product and a preparation method and application thereof. The product does not contain dietary fibers and is applicable to patients who need toget intestinal tract cleaning preparation for performing intestinal tract inspection and intestinal tract operations. The product contains protein, carbohydrates, fat, minerals and vitamins, and theprotein selects pea protein with lower anti-nutritional factors. Compared with a conventional intestinal tract cleaning mode, the intestinal tracts treated by the product provided by the invention have high cleanliness, high detection rate of adenomas and polyp of the intestinal tracts, low gas production rate, good nutrient support and high patient suitability.

The invention relates to medical appliances of orthopedic operations, and discloses a trepan broken-nail extractor. In the invention, an inverted-tooth trepan is arranged at the front port of a holding handle of the trepan broken-nail extractor, and the rear end of the holding handle is matched with the drill opening of an electric drill. Because the rear end of the holding handle can be matched with the drill opening of the electric drill, electromotive power can be used for replacing manpower to extract a broken nail when the broken nail is extracted. The invention greatly improves the efficiency of broken-nail extraction, saves the time and the labor and shortens the operation time, thereby reducing the time of intraoperative hemorrhage and wound exposure and reducing the incidence rate of postoperative wound infection.

The invention provides a low-residue nutritional formula product and a preparation method and application thereof. The product is not added with dietary fibers and is suitable for patients needing toundergo intestinal cleaning preparation for intestinal examination and intestinal surgery. The product contains protein, carbohydrate, fat, minerals and vitamins, marine fish oligopeptide with smallermolecular weight is adopted to replace collagen, nutrient ingredients which can be more easily absorbed are provided while ultralow residue is kept, and thereby, while the intestines are cleaned andthe production of intestinal gas is reduced, sufficient nutrition is provided for patients. Compared with the conventional intestinal cleaning method, the preparation method provided by the inventionhas the following advantages that the cleanliness of the intestines treated by the produced disclosed by the invention is high, the intestinal adenoma and polypus detection rate is high, the amount ofproduced gas is small, nutritional support is good, and the applicability to patients is high.

The invention relates to bacillus velezensis MVCR2 which can improve the immunity of rainbow trout and has a remarkable inhibition effect on aeromonas salmonicida and vibrio anguillarum. The invention further relates to a compound bacterium preparation containing the bacillus velezensis MVCR2. The invention further relates to application of the bacillus velezensis MVCR2. The bacillus velezensis MVCR2 disclosed by the invention is preserved in the China Center for Type Culture Collection, the strain preservation number is CCTCC NO: M 2021507, and the preservation date is May 8, 2021, and the preservation number is CCTCC NO: M 2021507. The bacillus velezensis MVCR2 has a remarkable inhibition effect on aeromonas salmonicida and vibrio anguillarum, has an effective prevention and treatment effect on various aquaculture diseases caused by the aeromonas salmonicida and the vibrio anguillarum, and can improve the growth and immunity of rainbow trout, increase the survival rate of rainbow trout and reduce the death rate of freshwater rainbow trout in the sea.

The present invention belongs to the technical field of medicine, and relates to new medicinal uses of thymopeptide alpha1, specifically to uses of thymopeptide alpha1 in pulmonary fibrosis drug preparation. Based on disadvantages of extremely poor prognosis, no effective treatment method, extremely high death rate and the like in idiopathic pulmonary fibrosis treatment by using the existing drugs, a strategy for targeted Th1 type reaction increase or Th2 type reaction inhibition is adopted, thymopeptide alpha1 is adopted as an immune modulator to increase the Th1 type immune reaction and other immune modulation effects, and animal experiment results show that immune disbalance of the pulmonary fibrosis body can be corrected with the thymopeptide alpha1, infection incidence rate can be significantly reduced, and death rate can be reduced, such that the thymopeptide alpha1 can further be used for preparation of pulmonary fibrosis drugs. According to the present invention, under the status of lack of effective pulmonary fibrosis disease treatment drugs, important clinical values are provided, and reliable experimental basis is provided for wide clinical applications.