42 results about "Gutta-percha" patented technology

1. The name of the design product: dental gel (push type). 2. The use of the design product: the design product is used for infants to grind teeth, suck, etc. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

1. Name of the design product: tooth gel (emergent rabbit). 2. Use of the design product: tooth gel for biting and chewing for infants and young children. 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view.

The utility model relates to the technical field of gutta-percha extraction, in particular to continuous gutta-percha extraction equipment which comprises a shell, a supporting plate is fixed in the middle of the interior of the shell, a liquid dropping hole is formed in the surface of the supporting plate, and a first pushing plate is installed on one side of the top end of the supporting plate in a sliding mode. And an extrusion column is fixed on the inner side of the first push plate. The gutta-percha extracting device has the advantages that the first pushing plate and the squeezing plate move in a circulating and reciprocating mode, gutta-percha raw materials are squeezed many times, gutta-percha liquid can be fully extracted, finally, the gutta-percha raw materials are pushed to the discharging groove through the second pushing plate to be discharged, the gutta-percha raw materials squeezed many times are prevented from being accumulated in the shell, and the gutta-percha extracting device is safe and reliable. The subsequent extrusion and extraction of the gutta-percha raw material are facilitated; the filter plate is detachably mounted and connected with the shell through bolts, so that disassembly, replacement and cleaning are facilitated, and gutta-percha liquid can be filtered easily.

1. The name of the design product: tooth gel (butterfly type). 2. The use of the design product: tooth gel for baby teething. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

1. The name of the design product: dental gel (grape TR102). 2. The use of the design product: dental gel for biting and chewing for infants and young children. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: front view.

1. The name of the design product: tooth gel (KTR10). 2. The use of the design product: tooth gel for grinding teeth, biting, and fixing teeth, relieving discomfort during teething in infants, or toys for infants to play. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

1. The name of the design product: tooth gel (lemon TR100). 2. The use of the design product: tooth gel for biting and chewing for infants and young children. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention provides a gutta-percha-based bionic blood vessel and a preparation method thereof, and belongs to the technical field of biomedical materials. By utilizing the unique rubber and plastic duality of the natural eucommia rubber, especially excellent biocompatibility and mechanical compliance, the problems of low bursting pressure of a synthetic material artificial blood vessel and poor compliance of a natural material bionic blood vessel are solved. The result of the embodiment shows that the blood compliance of the gutta-percha-based bionic blood vessel is 6.5%-20% under the blood pressure of 80 mmHg to 120 mmHg, the bursting pressure is 4500 mmHg to 8000 mmHg, the blood compliance and the bursting pressure of the gutta-percha-based bionic blood vessel are higher than those of arterial blood vessels of the human body, and the use requirements of the human body are met.

The invention discloses a moldable gutta-percha composite material portable electric heating medical protection plate, and belongs to the technical field of medical instruments. The eucommia ulmoides rubber composite material portable electric heating medical protection plate comprises an eucommia ulmoides rubber protection plate main body and a portable heating power supply. The size and the shape of the guard plate body are according to actual application sizes. The protective tool main board sequentially comprises an eucommia ulmoides rubber protective layer, an adhesive layer and a heating layer from outside to inside. The protection plate utilizes the shape memory function of eucommia ulmoides rubber, rapid electric heating activation is achieved through a portable direct-current power source, the double-end layout of connecting wires ensures uniform current distribution, and local overheating is avoided. The size of the guard plate can be customized, and the guard plate is suitable for different injured parts and suitable for field individual soldiers or disaster orthopedics rescue scenes.

The application discloses a functional product based on eucommia ulmoides gum, which is added into a high polymer material, a building material, a paint, rubber, plastic, asphalt or a concrete matrix to improve the performance of the matrix, or is used for bonding wood, metal, plastic, glass, ceramic and fabric materials; the functional product based on eucommia ulmoides gum comprises the following components in parts by weight: 90-110 parts of eucommia ulmoides gum, 0-60 parts of resin, 0-8 parts of a compatibilizer, 0-15 parts of an emulsifier, 0-250 parts of water, 0-10 parts of a crosslinking agent and 0-1000 parts of an organic solvent; the multifunctional product based on eucommia ulmoides gum as an active ingredient can be added into a high polymer material, a building material, a paint, rubber, plastic, asphalt, concrete and the like in the form of microparticles, powder, microcapsules, master batches, emulsions, solutions, hot melt adhesive films, pressure sensitive adhesives and the like as an additive (modifier), or is directly used for bonding dissimilar materials as an adhesive.

1. The name of the design product: dental gel (petals). 2. The use of the design product: baby teething toys. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view 1.

1. The name of the design product: hot melt dental cement filler working tip. 2. The use of the design product: the design product belongs to the field of medical devices, used in cooperation with the dental cement cutter, specifically for cutting off dental cement material in dental treatment. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

1. Name of the product in this design: Teether (Star). 2. Purpose of this design: For infants and young children to grind their teeth and relieve pain during teething. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention provides a method for preparing an adhesive, the adhesive obtained through the method and application of the adhesive. Specifically, the method comprises heating the gutta-percha to a temperature of 150-320 DEG C and maintaining the temperature for 60-180 minutes to modify the gutta-percha, the gutta-percha is extracted from Eucommia ulmoides, and the gutta-percha contains trans-1, 4-polyisoprene with a polymerization degree of 1000-3500. The adhesive obtained by the method comprises a polymer 1, 4-polyisoprene composed of a structural unit I and a structural unit II which are shown in the specification, and the weight ratio of the structural unit I to the structural unit II is (1-15): 1. The adhesive shows high adhesion strength, good dynamic adaptability, good subcutaneous tissue compatibility, cell biocompatibility and blood compatibility, has an active antibacterial function and tissue regeneration promoting capacity, and has the potential of being used as a medical tissue adhesive.

The invention relates to the technical field of separation equipment for gutta-percha production, in particular to a gutta-percha extraction gutta-percha leaf rubbing separator which comprises a base, a supporting disc, a rubbing disc, a discharging ring, a stock bin and a lower pressing plate. The supporting disc is installed on the base, the rubbing disc is installed on the supporting disc, and the discharging ring and the supporting disc are coaxially arranged. The stock bin is located above the rubbing disc, and the lower pressing plate can be installed in the stock bin in an up-down moving mode. According to the eucommia ulmoides leaf rubbing and separating machine for extracting the eucommia ulmoides gum, when eucommia ulmoides leaves are rubbed and separated, the discharging ring is located above the supporting disc, then the rubbing disc is of a conical structure with the small upper end and the large lower end, and the eucommia ulmoides gum clustering efficiency is improved to a certain degree. After the eucommia ulmoides gum is separated into clusters, the discharging ring is located below the supporting disc, then the rubbing disc is of a conical structure with the large upper end and the small lower end, and the separated eucommia ulmoides leaves can be discharged from the discharging ring.

The invention provides an extraction method of gutta-percha separated out by freezing in a cold region. The extraction method comprises the following steps: screening, kneading, cleaning and drying eucommia seed shells to obtain a crude rubber raw material; mixing the crude rubber raw material with an n-hexane solvent, and extracting a rubber solution in countercurrent extraction equipment; layering, freezing and separating out the solvent and the gutta-percha of the gutta-percha liquid in a chromatography tank; and carrying out solid-liquid desolventizing on the separated rubber solution through a centrifugal machine to obtain a gutta-percha solution, and carrying out secondary desolventizing through a drying machine to obtain refined gutta-percha. According to the method, the large temperature difference of a cold region is utilized for batch production of the bio-based rubber, a green freezing precipitation technology is adopted, natural low temperature is fully utilized, and the characteristics of environmental protection, energy conservation, high efficiency and cleanness are embodied. The technology not only meets the increasing demand of the market on the high-performance gutta-percha material, but also promotes the sustainable development of related industries.

The invention provides a method for extracting gutta-percha, which comprises the following steps: mixing a eucommia ulmoides raw material with a supramolecular solution, extracting, separating and drying to obtain crude gutta-percha; wherein the supramolecular solution is obtained by reacting a component A and a component B; the component A is cyclodextrin; the component B is at least one of crown ether, organic acid, organic alcohol and pillararene; according to the method, the specific supramolecular solution is used as the extracting agent to extract the eucommia ulmoides raw material to obtain the crude eucommia ulmoides gum, the extraction process is simple, and the extraction efficiency of the eucommia ulmoides gum can be effectively improved; in addition, the method provided by the invention can effectively reduce the extraction cost and reagent consumption, has small environmental pollution, and is suitable for industrial application.

1. Name of the designed product: dental gel (pear shape). 2. Use of the designed product: dental gel for teething and pacifying of babies. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The invention relates to a gutta-percha emulsion marine antifouling coating for a gutta-percha-based material and a preparation method of the gutta-percha emulsion marine antifouling coating. The gutta-percha marine antifouling paint comprises gutta-percha, filler slurry and auxiliaries, the gutta-percha emulsion comprises the following components in parts by weight: 45-60 parts of gutta-percha emulsion, 37-54 parts of filler slurry and 1-3.5 parts of auxiliaries, wherein the total weight of the components is 100 parts. Compared with a coating in the prior art, the gutta-percha emulsion marine antifouling coating disclosed by the invention can be used on a gutta-percha-based material, and has better film forming effect and adhesive force on the gutta-percha-based material. Besides, after the gutta-percha-based material is coated with the gutta-percha-emulsion marine antifouling paint, a film forming substance is gutta-percha, the gutta-percha can form a film on the surface of the gutta-percha-based material and be attached to the gutta-percha-based material, and due to the fact that the coating has elasticity, the gutta-percha-emulsion marine antifouling paint can be matched with elastic deformation of the gutta-percha-based material.

1. The name of the design product: the storage box of gutta percha (ellipse). 2. The use of the design product: the box for storing gutta percha. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The invention discloses a process for extracting gutta-percha from eucommia ulmoides shells. The process comprises the following steps: crushing a eucommia ulmoides raw material to obtain plant powder; mixing the plant powder with a protective agent solution, and drying to form a coating protective layer on the surfaces of the particles; the plant powder coated with the protective layer is placed in a dynamic oxidation reaction environment, ozone-containing gas is introduced for oxidation treatment, the oxidation treatment process comprises at least two stages, the ozone concentration of the first stage is higher than that of the second stage, and the humidity of the first stage is lower than that of the second stage; removing a protective layer and oxygenolysis products in the oxidized material, separating solids, and drying to obtain crude eucommia ulmoides gum; and extracting the eucommia ulmoides crude rubber by using an organic solvent, and then concentrating, precipitating and drying to obtain the refined eucommia ulmoides rubber. The invention solves the problems of prominent contradiction between purity and yield, poor oxidation selectivity and complex process in the prior art.

1. The name of the design product: tooth gel (star). 2. The use of the design product: tooth gel for biting and chewing for infants and young children. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

1. The name of the design product: tooth gel rattle. 2. The use of the design product: for baby teething, rattle toys. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The utility model discloses a kind of multiple filling gutta percha filling instruments with scale mark, including shell, glue injection needle is arranged in the front end of shell, push rod is arranged in the rear end of shell;Heating tube that is communicated with glue injection needle is equipped in shell, push rod one end is inserted into heating tube and can be moved along heating tube axial reciprocating;Discharge tank is equipped on shell, discharge rack is equipped in shell, discharge rack is equipped with the feeding channel that is communicated with heating tube axial, the upper end opening of feeding channel and with discharge tank vertical correspondence;Push rod can push the gutta percha stick in feeding channel into heating tube;The length of heating tube inner chamber can accommodate at least two gutta percha sticks;Two clamping grooves are equipped on push rod exposed outside shell, clamping groove is used to indicate the initial position of two gutta percha sticks, with clamping groove as base point, there is gutta percha dosage scale mark on push rod behind, can be added two gutta percha sticks once, the filling amount of gutta percha increases, increase the use frequency after single filling, meet the demand of short time multiple use.

1. Name of the designed product: dental gel (diamond shape). 2. Use of the designed product: for grinding tooth stick. 3. Design points of the designed product: in shape. 4. Picture or photo best showing the design points: perspective view.