163results about How to "Reduce blood clots" patented technology

The invention discloses a preparing method for pomelo wine. According to the method, water, sugar, honey, acid, pectinase, yeast cell wall, nutrimental agents and yeast are added into a crushed pomelo and mixed uniformly to be fermented at the temperature of about 18 DEG C, an odor absorber is added when the alcoholic strength is about 6% vol, after fermentation is finished, wine liquid is taken and stored in the environment with the temperature of about 2 DEG C, wine sediment is removed after 60 days, then the wine liquid is stored for about 90 days, then the wine liquid is placed in the environment with the temperature of about minus 4 DEG C for 3 days, clarification is carried out, and the wine liquid is filtered and sterilized after being placed in the environment with the temperature of about minus 4 DEG C for 4 days. According to the method, the skin can also be fermented for generating the pomelo wine, the inhibiting effect on the fermenting effect from special ingredients in the pomelo skin is overcome, and the pomelo wine with the special taste can be brewed, and has the dense lemon scent; the way of adding the odor absorber to the special fermenting process is fished out, bitterness of the pomelo can be covered up, flavor compounds in the pomelo wine are effectively preserved, the scent of the pomelo wine is more complex, and the mouthfeel is enhanced.

The invention provides a long-acting antibacterial multifunctional coating based on bionic dopamine as well as a preparation method and an application thereof. The preparation method comprises the following steps: carrying out ultrasonic cleaning on a base material by using acetone, absolute ethyl alcohol and ultrapure water in sequence; immersing the obtained base material into dopamine rapid deposition liquid for reaction to obtain a base material coated with a polydopamine coating; washing the obtained base material with deionized water, and drying; soaking the obtained base material in a multifunctional coating aqueous solution for reaction, and obtaining a functional coating on the surface of the base material; washing the obtained base material with ultrapure water and then drying; wherein Cu<2+> and H2O2 are dissolved in the dopamine rapid deposition liquid, and the multifunctional coating aqueous solution contains a hydrophilic polymer or a zwitterionic polymer. The preparation process is simple, conditions are mild, deposition preparation time is greatly shortened, and the method is suitable for large-scale industrial production.

The invention relates to a health food with functions of detoxifying and losing weight and a preparation method thereof. According to the health food, 10-20 percent of maca powder, 10-30 percent of konjaku flour, 10-20 percent of aloe powder, 5-10 percent of grape seed extract, 5-15 percent of hawthorn extract and 5-15 percent of jelly fungi extract by weight percent are selected as main raw materials, and 0-45 percent of auxiliary material allowable in health foods is added, the main raw material added with the auxiliary material is prepared into tablets, soft capsules, capsules or granules. The health food has the advantages of natural raw materials, scientific ratio, convenience in taking, security and nontoxicity, the synergistic effect is achieved through all ingredients, and the health food has multiple efficacy of supplementing intestinal fiber, lubricating intestines and detoxifying, losing weight and lowering lipid, and is a green health food for patients suffering from hyperlipidemia, constipation and obesity.

The invention relates to asymmetrical heart valve prosthesis. The asymmetrical heart valve prosthesis comprises a stent and an artificial valve; the stent comprises an atrium section, a supporting section and a valve sewing section; the supporting section is connected with a far end part of the valve sewing section; the atrium section is connected with the supporting section, or the atrium section is connected with the far end part of the valve sewing section; the artificial valve is fixedly connected with the valve sewing section; in a cross section which is perpendicular to the central axis of the artificial valve, the centre of the valve sewing section is not overlapped with the centre of the supporting section; the cross-sectional area of the valve sewing section is smaller than that of an autologous valve ring of a patient; in a free state, the valve sewing section is at least partially positioned between autologous valve leaflets of the patient; the cross-sectional area of the atrium section is greater than or equal to that of the autologous valve ring of the patient.

The invention provides a device for detecting conditions of an inner support adhering wall of a coronary artery. The device comprises an image obtaining unit, for obtaining optical coherence tomography images in the coronary artery; a support position calculating unit, for calculating the position of the support in each optical coherence tomography image; an inner wall position calculating unit, for calculating the position of the inner wall of the coronary artery in each optical coherence tomography image; an adhering wall condition determining unit, based on the positions of the support and the inner wall of the coronary artery in each optical coherence tomography image, for determining the conditions of the adhering wall between the support and the inner wall of the coronary artery; and an image outputting unit, according to the conditions of the adhering wall between the support and the inner wall of the coronary artery, for generating and outputting the images for reflecting the conditions of the adhering wall of the inner support of the coronary artery. The device is capable of, based on the intravascular optical coherence tomography (IVOCT) image, rapidly and automatically providing the visual and quantitative conditions of the support adhering wall for the percutaneous coronary intervention.

The invention relates to an intracranial sirolimus medicament-release blood vessel stent. The blood vessel stent has an integral net tubular structure which is formed by a cobalt-chromium alloy L605 tube through laser engraving and cutting and electrochemical polishing treatment; the net tubular structure comprises a plurality of support rods with sine waveform unit structures and connecting rods connected among the support rods; and the blood vessel stent is integrally coated with a sirolimus medicament-release layer. A preparation method for the blood vessel stent comprises the following steps: preparing the cobalt-chromium alloy L605 tube into the blood vessel stent of the net tubular structure through laser engraving and cutting and electrochemical polishing treatment; pre-treating the surface of the blood vessel stent of the net tubular structure; preparing sirolimus medicament coating solution; compositely spraying the sirolimus medicament solution to the surface of the blood vessel stent; and drying the sirolimus medicament-release blood vessel stent. The blood vessel stent has low nominal pressure, can effectively inhibit the neointimal formation of the blood vessel and the proliferation and migration of smooth muscle cells (SMC), and also can effectively solve the problem of intracranial arterial blood vessel restenosis.

The present invention discloses one kind of health product with auxiliary antilipemic function and its preparation process. The health product is prepared with black edible fungus extract 30-50 weight portions, ginkgo leaf extract 30-50 weight portions and fish oil 900-1000 weight portions as well as conventional supplementary material. It is prepared into oral preparation, and has obvious health functions of lowering blood fat, delaying senility, resisting oxidation, etc.

The invention discloses a fruit tea with honey and a production method thereof. The production method includes peeling cleaned pomelo and tangerine, respectively crushing and juicing pulp of the pomelo and the tangerine, shredding the pomelo peel and the tangerine peel, subjecting the shreds to steam bittering respectively, freezing the pomelo juice, the tangerine juice, the pomelo peel shreds and the tangerine peel shreds at -30 DEG C, keeping in cold storage at -18 DEG C, thawing at the room temperature, adding, by weight, 600g of honey, 180g of the pomelo juice, 125g of the tangerine juice, 30g of the pomelo peel shreds, 20g of the tangerine peel shreds and 30g of purified water per 1000g of finished product, mixing and heating to 60 DEG C, and adding 2.7g of malic acid and 2.3g of citric acid sequentially, repeating mixing, canning, performing bath sterilization at 115 DEG C-120 DEG C for 45 minutes, and cooling to obtain the canned fruit tea with honey. The fruit tea with honey is sweet and refreshing, and has the effects of moisturizing intestines and cleaning lung, lowering fire and removing freckles, smoothing skin for beauty, helping digestion, lowering blood viscosity and reducing blood clot.

The invention relates to a heart assisting device, in particular to a magnetic fluid suspension type axial pump heart assisting device implanted into the human body in the field of biomedical engineering. The magnetic fluid suspension type axial pump heart assisting device is characterized in that a section of flow channel is divided into an inner flow channel and an outer flow channel by an outer ring wrapping the middle section of an impeller blade, and spiral tooth ripples are engraved on the outer wall of the ring; the top wall of the tooth ripples is in an oblique shape, so that an inflowing opening of the outer flow channel is large, and an outflowing opening is small, and an impeller is subjected to hydraulic pressure when rotating to be radially suspended; an opening is formed in the side wall of the tooth ripples; a pair of convex-concave magnetic cones are embedded in the back end of an impeller hub and a back guide blade hub, and are in the axial magnetic direction, and unlike poles attract each other; a backward pull force generated on the impeller resists the blood forward push force borne by rotating the impeller, and a stator iron core has a binding force, so that the impeller is axially suspended, and thus the impeller is fully suspended; the impeller and front and back guide blade hubs are respectively embedded with two pairs of sliding bearings, which protect the magnetic cones, blades, and the inner wall of a pump pipe, and position and help the impeller suspension.

The invention discloses a preparation method for a multifunctional medicine elution coating for an intravascular stent. The preparation method comprises the steps of putting 9.8 to 30 percent of degradable polymer carriers, 0.2 to 20 percent of medicine A and medicine B and 50 to 90 percent of solvents in percentage by weight into a container; performing stirring and dispersion into a solution by a rotating speed of 50 to 1000 rpm; uniformly spraying the solution onto the support frame surface by an ultrasonic atomization spray coating method; performing drying for 12 to 48 hours at a room temperature; then, performing vacuum drying for 10 to 72 hours in a vacuum drying box at 25 to 85 DEG C. The medicine coating prepared by the method has the advantages that the simultaneous loading of the two kinds of medicine of statins medicine and polyphenols medicine is realized; the multiplication and the migration of smooth muscle cells are inhibited through the controlled release of the carried medicine; the endothelial cell multiplication is promoted; the fast endothelialization is realized; the effect of resisting thrombus formation and stabilizing or reversing new atherosclerosis is achieved; the occurrence of stent late thrombosis is reduced.

The invention discloses a micro-nano multi-scale patterned anticoagulation composite biological material and a method for preparing the same. The micro-nano multi-scale patterned anticoagulation composite biological material comprises a titanium dioxide (TiO2) nano-wire array and an amorphous carbon film wrapping the top end of the nano-wire array. The method for preparing the anticoagulation composite biological material includes the steps: firstly, arranging micron-sized patterns on a fluorine-doped tin oxide (FTO) conductive glass substrate through the mask plate photoetching technology, secondly, enabling the TiO2 nano-wire array to grow on the patterned substrate by means of hydro-thermal synthesis, and enabling the TiO2 nano-wire array to grow on a micron-sized patterned area, so that the whole TiO2 nano-wire array is in a micro-nano patterned structure, and finally, wrapping the amorphous carbon film on the prepared micro-nano patterned array. By the aid of composition of two materials and the design of the micro-nano patterned structure, properties such as surface appearance, hydrophilicity and hydrophobicity, electron transfer characteristic and the like of the materials can be changed and controlled, and blood compatibility of the composite material is improved.

The invention discloses a 4D deformed reticulated hollowed degradable vascular stent with concave-convex structures on the inner and outer surfaces, a preparation method and a use method thereof. A thermoplastic polymer containing a dynamic covalent bond, a thermosetting polymer containing a functional group capable of further crosslinking or a thermosetting polymer is used as a raw material, theraw material is cut or clipped to form a desired hollowed structure, the material is heated to more than or equal to the transition temperature and then stretched to obtain a reticulated hollowed pattern with concave-convex structures on the inner and outer surfaces, the raw material is rolled into a tubular shape and fixed, then bond exchange of the dynamic covalent bond is activated or the functional group is initiated for crosslinking, molding is finished, and a shape-permanent vascular stent product is obtained. The brand-new method for producing in-vivo stents provided by the invention has the characteristics of simple operation, high molding speed, simple process steps, no need of professional equipment and the like, and the integrated design of once molding of the complex stent shape, rapid manufacturing and 4D self-deformation function is realized.

The invention discloses solid granules capable of lowering blood fat and relaxing bowels and a preparation method of the solid granules. The preparation method comprises the following steps: grinding yellow beans, expanding, adding glucose, NaCl, dried orange peel, red jujubes, artichoke, endives, flaxseeds, bacillus natto, bacillus lacticus, lactobacillus plantarum, lactobacillus rhamnosus and milk powder, performing liquid fermentation twice, concentrating and drying. The solid granules are capable of dissolving thrombi caused by platelet aggregation, reducing lipid thrombi and blood viscosity caused by cholesterol crystal and lipid plaque adhesion, improving blood circulation and intestinal microecological environment and effectively preventing and treating gastrointestinal diseases such as constipation. Meanwhile, the solid granules are also capable of promoting cholesterol excretion, inhibiting endogenous cholesterol synthesis, reducing the content of triglyceride, low-density lipoprotein and very-low-density lipoprotein and increasing the content of high-density serum lipoprotein so as to improve serum lipid, reduce capillary fragility caused by hyperlipidemia and arteriosclerosis, and protect heart and cerebral vessels.

The invention relates to a special blood pump, in particular to a liquid magnetic levitation axial-flow type heart auxiliary blood pump which is implanted into a human body. The liquid magnetic levitation axial-flow type heart auxiliary blood pump is composed of a pump system and a motor system. The liquid magnetic levitation axial-flow type heart auxiliary blood pump is characterized in that the top of a spiral blade of an impeller is provided with an inclined top brim so that a flow feeding opening can be large and a flow discharging opening can be small; an axial magnetic cone is arranged on the rear segment in a hub of the impeller, an axial magnetic pillar is arranged in a hub of a rear guide blade, and the opposite magnetic poles of the two magnets are opposite; an axial magnetic ring is arranged in a motor shell and outside the rear segment of a pump pipe, and the opposite magnetic poles of the axial magnetic ring and the axial magnetic cone in the hub of the impeller are also opposite; a pair of protruding cover-pit sliding bearings at the rear end of the impeller have the radial and axial positioning function on the impeller when the impeller is started, the radial center positioning function generated by mutual attraction of the magnetic cone and the magnetic pillar is also achieved, and therefore the impeller can stably enter a levitation state; the rear segment of the pump pipe conducts reducing to achieve the functions of increasing pressure and improving the efficiency of the blood pump; front guide blade is removed from the front end of the impeller, the inlet flow area can be increased, and the function of improving the efficiency of the blood pump is achieved.

The invention discloses an oval diversion safe indwelling needle. The indwelling needle comprises a sleeve base with a handle, a puncture steel needle, a sleeve, an extension pipe and a liquid injection connector. The two ends of the extension pipe are connected with the sleeve base and the liquid injection connector respectively. The liquid injection connector comprises a liquid injection connector body, a needle-free connector and a disinfection protective cap, wherein the needle-free connector and the disinfection protective cap are arranged on the liquid injection connector body, and the liquid injection connector body is connected with the extension pipe; the needle-free connector is used for receiving a syringe needle device used for infusion or is connected with a liquid medicine flow-out guiding pipe of an infusion container; the disinfection protective cap is placed on the needle-free connector and is a disinfection protective cap with 2% chlorhexidine; the puncture steel needle and the sleeve are arranged on the sleeve base, and the puncture steel needle is wrapped by the sleeve; a funnel part is arranged on the sleeve base, and the sleeve and the puncture steel needle are arranged on the funnel part of the sleeve base; a blood returning window is arranged on the sleeve base, and the cross section of the puncture steel needle is oval. The oval structure can reduce puncture injuries, occurrence of phlebitis is avoided, and the catheter indwelling success rate of the indwelling needle is increased.

The invention provides a milk powder product prepared from pine nuts, belongs to the field of a beverage processing biotechnology, and relates to a milk powder product adopting pine nut oil microcapsules. The milk powder product is prepared from 30%-40% by weight of pine nut oil microcapsule powder and 60%-70% by weight of milk powder. The pine nut oil microcapsule powder of the milk powder contains rich unsaturated fatty acid and especially has the highest linoleic acid content; the unsaturated fatty acid can promote cholesterol metabolism, reduce blood lipid and increase the content of high-density lipoprotein in serum, prevent lipid deposition on a liver and an arterial wall, prevent platelet cohesion and reduce thrombosis, and the milk powder product prepared from the pine nuts is ideal food for protection of blood vessels of the crowd with hyperlipidemia.

The invention discloses a blood vessel dredging and cleaning device. The device comprises a balloon catheter, a balloon and a marking ring, wherein the balloon is wrapped at a distal end of the balloon catheter, a distal end and a proximal end of the balloon are respectively fixedly connected with the balloon catheter passing through the balloon, the marking ring is arranged at the distal end anda proximal end of the balloon catheter, a balloon expansion channel and a guide wire guide channel are arranged in the balloon catheter, a communication hole is formed in a wall of the balloon catheter, an overall shape of the balloon in the inflated state is a truncated cone or a cone, the distal end of the balloon is a large diameter end, and the proximal end is a small diameter end, the balloonis composed of a distal end surface, a proximal end surface, a tapered side wall, and a unit plug-removing protrusion, the distal end face is in arc transition connection with the conical side wall,the proximal end face is in arc transition connection with the conical side wall, the unit thrombus removal protrusions are distributed on the conical side wall of the balloon at intervals, and the unit thrombus removal protrusions are provided with protrusion cavities. The device has advantages of novel structure, good thrombus removal effect, little damage to blood vessel wall and the like.

The invention discloses an infusion set without orthophthalic matter and with the precision filtration function. The infusion set comprises an infusion tube, a puncture outfit, a dripping cylinder, a flow regulator, a filter, a Luer taper and an infusion needle, wherein the infusion tube is connected with the puncture outfit, the dripping cylinder, the flow regulator, the filter, the Luer taper and the infusion needle in sequence, a liquid stopping cavity is formed in the filter, a filtering membrane is arranged in the liquid stopping cavity, an exhaust hole is formed in one side wall of the filter, a first catheter which is communicated with the liquid stopping cavity and upwards extends out is arranged on one side of the filter, a second catheter which is communicated with the liquid stopping cavity and downwards extends out is arranged on the other side of the filter, and the height of a liquid outlet of the second catheter is larger than or equal to that of a liquid inlet of the first catheter. According to the infusion set without the orthophthalic matter and with the precision filtration function, air entering into the infusion tube can be effectively removed, flow can be automatically stopped, the phenomenon of blood return is avoided, particles in liquid medicine can be effectively filtered out, and the frequency of the phenomenon of the thrombus caused by the situation that the particles circulate along with blood is reduced; in addition, due to the fact that non-orthophthalic tributyl O-acetylcitrate serves as plasticizer of the infusion tube, the infusion set can be safer to a human body.