16results about How to "Good coagulation" patented technology

The invention relates to the technical field of hemostatic cotton, in particular to rapid hemostatic cotton with good antibacterial property and adhesion as well as a preparation method and application of the rapid hemostatic cotton. The invention discloses rapid hemostatic cotton with good antibacterial property and adhesion. The rapid hemostatic cotton is obtained by sequentially carrying out carboxymethyl treatment, tannic acid treatment and silver ion chelating treatment on cotton fabric. The rapid hemostatic cotton provided by the invention has a very high liquid absorption rate, can be rapidly gelatinized when being in contact with blood, and can be adhered to a wound, seal the wound and prevent bacteria from invading the wound, so that the purposes of rapidly stopping bleeding and promoting healing are achieved.

The utility model discloses a kind of sludge water treatment devices for water plant, it is related to water treatment appliance technical field, including frame, the upper end inside one side of frame is equipped with sedimentation tank, the front end other side of sedimentation tank is equipped with balance conditioning pool, the other side of balance conditioning pool is equipped with reaction flocculation pool, reaction flocculation pool is separated by first isolation board and second isolation board, coagulation tank, magnetic mixing tank and coagulation aid tank, and the other side of reaction flocculation pool is equipped with activated carbon reaction pool, the other side and middle of frame are equipped with stirring assembly, and one side of frame is equipped with mud scraping assembly;The utility model is through the cooperation of coagulation tank, magnetic mixing tank, coagulation aid tank and stirring assembly, it is convenient to treat and mix evenly gradually to the impurity in sludge water, it is convenient to improve the utilization of inputted reaction agent and magnetic powder, and impurity subsequent enters sedimentation tank and is deposited;The above structure solves the problem that reaction agent is not completely used when coagulation and flocculation when using the existing sludge water treatment device.

The utility model relates to the field of rectification and purification, in particular to a rectification device for purifying diphenyl diketone. A rectification device for purifying diphenyl diketone comprises a rectification bin, supports, a feeding pipe, buffer plates, a temperature controller, a heating wire, a heat conducting plate and an air inlet pipe, the four supports are fixedly connected to the bottom of the rectification bin, the feeding pipe is installed on the left side of the upper portion of the rectification bin, the two buffer plates are arranged on the inner side of the rectification bin, and a plurality of through holes are formed in the buffer plates. A heating wire is arranged at the bottom of the rectification bin, a temperature controller is fixedly connected to the front side of the heating wire, located on the front side of the rectification bin and fixedly connected with the rectification bin, a heat conduction plate is fixedly connected to the bottom of the inner side of the rectification bin and located on the top of the heating wire, and an air inlet pipe is arranged on the top of the rectification bin. According to the diphenyl diketone purification device disclosed by the utility model, diphenyl diketone liquid is evaporated into water vapor and then solidified into water through the matching of the rectification bin, the heating wire, the condensation pipe and the condensation box, and circulation is realized through the matching of the liquid storage box and the water pump, so that the effect of purifying diphenyl diketone is achieved.

This invention relates to a high-efficiency flocculation device for wastewater treatment, characterized in that: multiple guide ports are evenly distributed around the upper outer edge of the inner cylinder; a filter screen plate is coaxially fixedly connected to the bottom of the inner cylinder; a stirring device is coaxially arranged in the inner cylinder; multiple vertically evenly distributed rising spirals are coaxially fixedly connected to the stirring device; a mounting plate is fixedly connected to the bottom of the stirring device extending beyond the filter screen plate; two sets of symmetrically arranged automatic compensation devices are fixedly connected to the mounting plate; a scraper that abuts against the lower end of the filter screen plate is fixedly connected to the upper end of each set of automatic compensation devices; transparent tempered glass is embedded in the side wall of the flocculation cylinder; a lifting device corresponding to the tempered glass is arranged inside the flocculation cylinder; a drain head is fixedly connected to the lifting device; the outlet end of the drain head is fixedly connected to the inlet end of a drainage component; the outlet end of the drainage component extends out of the flocculation cylinder; and a sewage pipe is fixedly connected to the bottom of the flocculation cylinder.

The invention discloses a single-crystal magnesium alloy wire for acupoint catgut embedding and weight losing and a preparation method of the single-crystal magnesium alloy wire, the chemical composition expression of the single-crystal magnesium alloy wire is Mg-yM-zR, in the formula, y and z represent the mass fraction of M and the mass fraction of R in magnesium alloy respectively, y is larger than or equal to 1.2 and smaller than or equal to 1.7, z is larger than or equal to 0.3 and smaller than or equal to 0.8, and the balance is Mg; m is one of Sr, Ce and Co, and R is one of Ge, Sm and Dy; the wire is prepared through the processes of smelting and casting, homogenizing treatment, hot extrusion, multi-pass cold drawing, intermediate annealing and zone smelting and directional solidification, and has uniform and controllable degradation rate, excellent mechanical property and biocompatibility; after the catgut embedding slimming agent is embedded into the acupuncture point of a human body, fat metabolism is promoted through mild and lasting physical stimulation and chemical ion regulation, intergranular corrosion and premature fracture caused by a polycrystalline structure are avoided, and the safety and durability of a catgut embedding slimming therapy are improved.

The invention provides a rapid hemostasis structure based on multiple adaptation and an application method, and the rapid hemostasis structure comprises a boosting mechanism which is internally provided with a limiting space; the multiple adaptation mechanism is arranged in the limiting space and is in a folded state in the limiting space; wherein the multi-adaptation mechanism comprises a surface supporting part, the surface supporting part is provided with at least two peripheral rods, the peripheral rods are enclosed to form a face type area, and a hemostatic fibrous membrane is arranged on the face type area; the three-dimensional supporting part comprises a center rod and a connecting rod mechanism, and the connecting rod mechanism is hinged to the center rod and the peripheral rods respectively and forms a three-dimensional area; and the elastic piece is connected with the connecting rod mechanism, and the elastic piece is in an energy storage state in the folding state. By means of the hemostasis structure, the problems that an existing hemostasis device is long in hemostasis time and narrow in wound adaptability are solved.

The invention discloses a photo-thermal antibacterial and procoagulant wound dressing easy to peel and a preparation method and application thereof, and relates to the technical field of biological materials. The method comprises the following steps: dissolving sericin in water, then sequentially adding hemoglobin, carbodiimide and N-hydroxysuccinimide, and stirring for cross-linking reaction; obtaining a precursor of the compound protein dressing through a mechanochemical crosslinking strategy; pre-cooling and freeze-drying the precursor to obtain a sericin hemoglobin dressing; and dialyzing the sericin hemoglobin dressing in water for 2-3 days, and freeze-drying again to obtain the protein dressing only containing hemoglobin and sericin. After the prepared antibacterial dressing is in contact with blood, formation of a compact fibrous protein film can be promoted, and the antibacterial dressing can be easily stripped from a wound part while blood coagulation is promoted. The wound dressing is completely composed of protein, is good in biocompatibility and has a huge development prospect.

The present invention relates to a composite hydrogel based on biological ionic liquid polymerization and a preparation method thereof, and belongs to the field of material technology. A composite hydrogel based on biological ionic liquid polymerization, the composite hydrogel has a three-dimensional network structure, and the three-dimensional network structure is interwoven by two networks: one: a network formed by polymerization of biological ionic liquid and methacryloyl hyaluronic acid, and self-crosslinking of methacryloyl hyaluronic acid; the other: a network formed by oxidized hyaluronic acid and ε-polylysine through an imine bond. The hydrogel prepared by the present invention can be applied to the bleeding part, and can play a role in rapid hemostasis, long-term antibacterial and thus promoting wound healing.

A biopsy gun capable of simultaneously forming a hemostatic hydrogel within the puncture channel after biopsy sampling is disclosed. The gun comprises a cannula that is ejectibly mounted to the gun body, multiple powder storage chambers arranged around a central through-hole, each with a puncture-proof bottom at the end furthest from the gun body. Two types of hydrogel precursor powders capable of cross-linking with bodily fluids are alternately placed in the powder storage chambers. A needle core is ejectibly mounted to the gun body and passes through the central through-hole, with a sampling groove at the end furthest from the gun body. Multiple needles connected to the proximal end of the needle core are inserted into the powder storage chambers in an L-shape. A medical silicone plug is fitted onto the needle, forming a sealed environment with the powder storage chambers. Upon activation, the needle core ejects first, and the needles, along with the silicone plug, puncture the bottom of the powder storage chambers, generating a pulsed pressure that releases the two precursor powders into the wound. The cannula ejects later to cut the tissue and complete the sampling. After sampling, the needle core and cannula are withdrawn, and the hydrogel precursor powders absorb blood from the wound, forming a hydrogel in situ to fill the wound.

The invention discloses a milk tea cake making method and cake coring equipment, and relates to the technical field of cake production, the making method comprises the following steps: S1, cake blank making: S1a, uniformly stirring yolk liquid, white granulated sugar and corn oil together, adding milk, and uniformly stirring; s1b, adding low-gluten flour, and uniformly stirring to prepare yolk paste; s1c, mixing and stirring the protein liquid, white granulated sugar, baking soda and lemon juice to prepare protein paste; s1d, mixing the egg white paste and the egg yolk paste, and performing baking molding; s2, digging out the middle part of the top of the cake blank to form a groove; s3, making cream: heating caramel, pouring the caramel into the cream, and adding caramel food coloring and gelatin powder; and S4, injecting the cream into the grooves of the cake blank, and embellishing the milk tea on the cream. The milk tea cake production device has the effects of improving the milk tea cake production efficiency and the cream state in the transportation process after production, and then the product quality is improved.

The application discloses a kind of high expansion cellulose sponge with arch layer structure and its preparation method and application.The method is: with carboxymethyl cellulose and cellulose or its micro-nano fiber as raw material, crosslinking agent is added to prepare hydrogel.Subsequently, the sponge sample is obtained by two-way freezing of hydrogel-freeze drying, the sponge sample is soaked in the solution that can be reacted with carboxyl, the solution includes at least one of calcium chloride solution, chitosan solution or the mixed solution of two, finally, the sponge is obtained by secondary freeze-drying.The sponge of the application has good biocompatibility, high liquid absorption rate, and the volume expansion ratio can reach 10-15 times;after compression, it is used for bleeding site, can swell rapidly, block wound, and quickly stop bleeding.The sponge of the application has arch layer structure between layers, can realize high compression, and can provide expansion support force for more than 4 hours.The sponge prepared by the application can be used for deep bleeding, such as deep and narrow penetrating wound bleeding, human interface bleeding, etc.

The present invention provides a series of new percutaneous concepts of paravalvular repairs including identifying the leak location, several repair techniques and finally built-in means for leak prevention, built on percutaneous valves. A catheter-delivered device locates cavities occurring between a prosthetic valve (250) and the wall of the body vessel where the valve is implanted, the cavities producing paravalvular leaks during diastole, the device comprising at least one of a plurality of flexible wires, the wire having attached to it a balloon, wherein the balloon is pulled by the leak through the cavity and wherein the wire then serves to mark the cavity location.

The present invention provides a series of new percutaneous concepts of paravalvular repairs including identifying the leak location, several repair techniques and finally built-in means for leak prevention, built on percutaneous valves. A catheter-delivered device locates cavities occurring between a prosthetic valve (250) and the wall of the body vessel where the valve is implanted, the cavities producing paravalvular leaks during diastole, the device comprising at least one of a plurality of flexible wires, the wire having attached to it a balloon, wherein the balloon is pulled by the leak through the cavity and wherein the wire then serves to mark the cavity location.

The invention discloses a use of icariin in preparing a drug for preventing and treating hemorrhagic diseases, which belongs to the field of medicine. Icariin can improve platelet dysfunction, shorten thromboplastin time, promote blood coagulation, and can be used for the prevention and treatment of hemorrhagic diseases, especially the treatment of hemorrhagic transformation of cerebral infarction, gastrointestinal bleeding caused by thrombolytic drugs or antithrombotic drugs for cerebral infarction, or bleeding complications caused by thrombolytic drugs or antithrombotic drugs for myocardial infarction.

The utility model discloses a support type medicine and instrument combined nanostructure nasal cavity hemostat which comprises an inflatable air bag and is characterized in that a support covers the outer side of the inflatable air bag, and hemostatic gauze is arranged on the outer side of the support; a hemostatic sponge is arranged between the hemostatic gauze and the support. The utility model relates to the technical field of medical instruments, in particular to a support type medical instrument combined nano-structure nasal cavity hemostat which is good in hemostasis effect, biocompatibility and degradability and capable of being used as a nasal cavity hemostat of a support type medical instrument combined nano-structure, and the support type medical instrument combined nano-structure nasal cavity hemostat can be used as a nasal cavity hemostat of the support type medical instrument combined nano-structure nasal cavity hemostat of the support type medical instrument combined nano-structure. Nasal cavity infection and scar formation can be effectively prevented, and meanwhile, the pressure and the position of the inflatable air bag can be conveniently adjusted to adapt to different nasal cavity forms and bleeding parts.

Disclosed is a method of improving coagulation of fluororubber emulsion, characterized by adding a solubilizer to a system with the fluororubber emulsion as a stock, including: first adding high purity water to the emulsion, followed by adding a coagulant, and then adding the solubilizer for coagulation. The crumbs resulting from coagulation are loose with low electrical conductivity and moisture content, and are easily washed and dewatered with short drying time; the disclosure reduces product costs and enhances product quality and production efficiency.