115 results about "Bone dust" patented technology

Procedures for the fusion of the sacroiliac joint advantageously make use of an implant selected to distract the joint upon insertion and to maintain or increase tension upon insertion. The implant can have a varying structure along its length. In some method described herein for fusing the sacroiliac joint using an implant, an implant is screwed into the sacroiliac joint between the sacrum bone and the iliac bone. The implant comprises a shaft, a tool engagement flange at top end of the shaft, a pointed tip comprising no more than about 20 percent of the length of the screw, and threads spiraling around the shaft. For screws of particular interest, the volume displacement perpendicular to the shaft increases at least about 5 percent from a point adjacent the tip to a point near the top of the shaft. Some of the desirable screw designs can be used in other orthopedic application, especially situations involving varying bone hardness. Useful filler material can be formed from a blend of bone powder and bioactive agents.

The invention relates to ceramics and a production technology thereof, in particular to a household strengthen porcelain containing bone substances and the production technology thereof. The strengthen porcelain body comprises petalite, powdered alumina, bone powder, quartz, Longyan braying, Guizhou soil, Zimo saved soil and humic acid sodium; the glaze comprises spodumene, fritted glaze 317, bone powder, kaolin, zirconia, potassium feldspar and aedelforsite; the production technology of the strengthen porcelain comprises the steps of batching, water adding and ball milling, sifting out, iron removing, filter pressing, primary smelting, ageing, refining, molding, drying, glazing and kiln firing. The product of the invention has the advantages of high mechanical strength, good thermal stability, fine and glossy glaze, high whiteness, good transmittance and the like.

A set of fenestration burrs, for fenestrating otic capsule bone (34), includes an initial burr (150) and a sequence of fenestration polishing burrs (180). A polishing burr (152, 1521), of each of the burrs (150, 180), carries at least one spiraling flute (166, 166′). Fenestrations (36) piercing the bone (34) formed using the burrs (150, 180) exhibit uniform diameters while excluding bone dust from the inner ear. An implantable casing (72) includes a hollow collar (76) from which projects a hollow sleeve (74) receivable into the fenestration (36). The casing (72) is secured there by at least one prong (92, 102) jutting from the sleeve (74). A therapeutic appliance (134) is insertable into the casing (72). A flange (116) extending from one end of the sleeve (74) carries at least one L-shaped slot (122) open at one end and extending circumferentially around the flange (116).

The invention provides a good rice-cake beneficial for intellectual power, relating to health food, characterized by comprising rice flour as a main material, added with Chinese traditional medicine power, bone dust, sugar, gingeli, flavoring agent and antiseptic in right amount, with the following weight percent: rice flour 40-45%, Chinese traditional medicine power 25-35%, boe dust 5-10%, sugar 20-30%, gingeli 1-1.5%, flavoring agent and antiseptic in right amount. The inventive rice-cake has the beneficial effect of industrialized production, longer keeping period, adopting a novel prescription, reinforcing spleen to promote digestion, worming, nurishing the brain, adjusting functions of human body, and advancing metabolism, and good mouth feel, predigest, easy nutrient uptaking.

The invention provides an alveolar bone restorative material which comprises compound bone powder and a scaffold material, wherein the compound bone powder is formed by soaking bone powder in solution of an osteoinduction material, and the ratio of the bone powder to the solution of the osteoinduction material is between 1to1 and 1to100 (mass/volume ratio); the scaffold material consists of a macromolecular substance containing carboxyl and a macromolecular substance containing amino group which crosslink and form gel upon the function of an activator, and the weight ratio of the compound bone powder and the scaffold material is between 10< -3 > to1 and 1to1. The invention also provides a preparation method and application of the alveolar bone restorative material. The material has the biological hemostasis function and bone guiding function, has certain osteoinduction activity for bone growth, and can promote the growing and reconstruction of bone tissue at the surrounding defect area of a dental implant so as to obtain an ideal interface where the implant combines with the bone; and when used for alveolar bone restoration, dental implantation and the like, the material plays a role in inducing bone restoration, hemostasis and anti-adhesion.

The present invention discloses one kind of bone repairing material capable of inducing bone regeneration and its preparation process. The bone defect repairing material is composition of calcined bone powder of different sizes and bioabsorbable polymer material, the calcined bone powder has sizes of 0.05-2.5 mm; while the bioabsorbable polymer material is collagen, polyester, chitosan, etc. The bone defect repairing material has the preparation process includes the steps of mixing bone powder and bioabsorbable polymer material in acetic acid or NaHCO2 solution, ultraviolet irradiation of the mixture and fumigating with ethylene oxide. The bone defect repairing material possesses obvious effect of inducing bone healing, high biocompatibility, certain hardness and strength and other advantages.

A method of maxillary sinus bone grafting for placement of an implant in which upon placement of the implant, a vertical hole is formed and enlarged with ease in a maxillary sinus floor, a maxillary membrane is easily lifted in an always-stable state using a piezotome and gel type bone graft material while preventing the membrane from becoming damaged, and even the bone graft material of coarse bone meal is uniformly diffused and infused, thereby ensuring that the implant is placed in a fast, safe manner while allowing a patient to keep relaxed and alleviating the pain the patient feels, resulting in shortening a curing time and maximizing effects of the placement of the implant.

The invention discloses a plastic material capable of being used for clinical bone stuffing and repair, belongs to the field of medical biomaterial, and aims to solve the problem that at present, bone repair material used clinically has a fixed and regular shape and can not be shaped at will. The material provided by the invention is prepared by combining gummosity of polyose, protein and organic colloidal solution with the repair function of bone meal. The prepared material is stable, plastic and gummous bone cement stuffing, helps complete stuffing of detect parts in the orthopedics department, and reinforces the bone formation effect.

The invention is a homogeneous bone powder and its manufacturing method, which relates to filler for bone deficiency caused by several kinds of reasons in department of stomatology clinic treatment and its manufacturing method. The powder can be produced through crashing human bone into particle with particle size of 0.125-0.9mm, then carries on degreasing in distilled water and alcohol with supersonic method, then carries on mine eliminating in hydrochloric acid with supersonic method, following, eliminates the acid and adjusts the pH value, sterilization, finally freezes and dries, and irradiates them. It can reduce the immunogenicity, reserves adult bone factor, and kills pathogenetic microbe. It can be used as the fillers directly for bone deficiency caused by periodontal disease, dental extraction, cyst and tumor. It also can be processed into bone transplanting material with non-natural structure remolded with biology conciliator, in order to cure bone deficiency caused by other reasons.

The invention relates to the technical field of deep processing of deer resource products, in particular to a deer bone powder prepared by deep processing deer bones and a preparation method thereof.The invention aims at the insufficient development and utilization of deer bone resources, and uses the modern scientific technology to enable the deer bones to be better absorbed and utilized by people. The invention uses an enzymolysis method. The deer bone powder which is processed by enzymolysis contains rich amino acids, various protein polypeptide ingredients and eight limiting amino acids necessary for human bodies. Thus, the deer bone powder can be used as a good source of good protein for human bodies.

The invention relates to clay-enhanced cuttlefish bone meal hemostatic gauze and a manufacturing method thereof. The hemostatic gauze comprises a substrate material, cuttlefish bone meal which is combined on the substrate material and is used as hemostat and clay which is combined on the substrate material and is used for enhancing the hemostatic effect, or also comprises other beneficial components which have the promoting effect on hemostasis and a connection agent for combining each component on the substrate material. The manufacturing method comprises the following steps of: preparing a suspension sizing agent by using water, the cuttlefish bone meal and the clay, and heating the suspension sizing agent at the temperature of 15 DEG C until the suspension sizing agent is boiling; immersing the substrate material into the sizing agent, or coating the sizing agent on the substrate material; taking the substrate material impregnated or coated with the sizing agent out, and performing flat pressing or rolling, or after taking the substrate material impregnated or coated with the sizing agent out, covering one side or both sides of the substrate material coating with the sizing agent by using medical cotton yarn or non-woven fabrics, and performing the flat pressing or the rolling again; and performing drying and sterilization to obtain the clay-enhanced cuttlefish bone meal hemostatic gauze. The gauze is used for treating surgical haemorrhage; and compared with the treatment of the ordinary gauze, the clay-enhanced cuttlefish bone meal hemostatic gauze has the advantages that: the hemostatic time of the hemostatic gauze is shortened by 35.9 to 66.5 percent; and the blood loss amount of the hemostatic gauze is reduced by 49.9 to 88.4 percent.

The invention relates to a method for composting bio-organic fertilizer, which belongs to production methods of agricultural fertilizer. The method aims at solving the problems that the prior art is difficult to treat and transform a large amount of crop straw husks and shells and similar byproducts, and uses the original industrial microbial fungi in non-agricultural soil. The method is characterized by comprising the composting flows of material preparation, fungi mixing, composting fermentation, inspection and finished products. The main materials comprise 40 to 45 percent of crop straw powder, 35 to 40 percent of rice bran, and 15 to 25 percent of dregs of beans; and the auxiliary materials comprise 3 to 5 percent of coal ash, 2 to 5 percent of bone dust and 10 to 15 percent of local field row soil in terms of the weight of the main materials. 3 to 5 percent of strains in terms of the weight of the main materials and the auxiliary materials are added to the mixture, wherein the strains are locally collected indigenous flora which can effectively improve the soil structure of farmlands and improve the soil biological activity. In addition to a small amount of the bone dust, the rest of the raw materials is readily available crop straw husks and shells and similar byproducts for farmers, and related operations in the flows are simple and easy to learn, thus method shows the advantages of adaptation to local conditions, simplicity and practicability, and suitable popularization in the vast majority of rural areas in China.

The invention discloses a preparation technology of biphasic bone and cartilage tissue engineering scaffold material. Firstly chitosan and collagen powder are added into acetate solution and laid in a refrigerator to be preserved; then PLA solution is prepared, and bone dust is put into the PLA solution and is uniformly mixed and stirred; then prepared PLA/bone dust solution is injected into a die to be prefrozen; then collagen/chitosan solution is added into the prefrozen die to be prefrozen, and a scaffold sample is obtained after freeze drying; and finally the bone and cartilage biphasic scaffold conducted to freeze drying is taken out from the die. The preparation technology ensures that a bone layer scaffold has the hardness and the strength approximate to that of natural bone tissue, is not only beneficial to the repair of cartilage tissue, but also convenient for clinically operating and fixing the scaffold; and meanwhile, a cartilage layer scaffold is provided with a multilayer structure containing perpendicular pore canals, is convenient for guiding cells on the scaffold to grow at a state close to that of a natural cartilage laminated structure, and improves the injury repair effect of cartilage.

A suction set structure for bone surgery, which facilitates the removal and installation of an inner barrel, includes a suction handle, a suction tip, a fixing mount engaged with the inner barrel, and a rear cap. The suction tip connects to the inner barrel installed inside the suction handle. The inner barrel has a plurality of apertures which permit blood and bone dust to pass through and enter into the connecting tube of the rear cap while the larger bone chip is collected inside the inner barrel. The fixing mount includes a ring portion, a connecting portion, and a rib flange extending from the ring portion. The rib flange will be located between the rear open end of the suction handle and the rear cap. Such that, the chip bone collected inside the inner barrel will not slip out during the removal of the inner barrel. The removed inner barrel is also capable of standing upright by the fixing mount.

The invention discloses a curing agent for compound heavy metal polluted soil as well as preparation and application methods of the curing agent. The curing agent is prepared from the following materials in percentage by mass: 40 to 65 percent of steel slag powder, 5 to 25 percent of light calcined magnesia and 20 to 45 percent of phosphate activated bone powder. The curing agent has the advantages that firstly, the curing agent can obviously reduce the mobility and the toxicity leaching amount of heavy metals in the heavy metal polluted soil, and is particularly applied to an acidic polluted land which is high in heavy metal content and contains various pollutants; after the polluted soil is repaired, the curing agent can be used as an environment-friendly material for recycling, so that the environmental risk during secondary development use of the polluted land is obviously reduced; moreover, as the raw materials are readily available, the curing agent is low in cost, easy to prepare, convenient to use and stable in effect and can be popularized and applied to curing and stabilizing repairing of the compound polluted land in a large scale.

The invention discloses a method for preparing ossein polypeptide by using animal bones, comprising the following steps: the animal bones are washed and cooked in boiling water after being crushed primarily; after the fat on the surface of cooking liquor is removed, the bones are drained and dried; then coarse grinding and superfine grinding are carried out on the bones so as to obtain bone powder; after being added with water, the bone powder is prepared into bone cement liquor; after being sterilized at a high temperature, the bone cement liquor is cooled, then enzyme therein is resolved and killed by adding protamex; after filtration, the filter liquor is concentrated in vacuum and frozen and dried; finally, the ossein polypeptide is gained. The invention has the advantages of simple technique, wide raw material sources and low price. Additionally, the reaction condition is easy to control in the preparation process, thus greatly increasing the added use value of the animal bones.

The invention provides a processing method of nano yak bone powder. The processing method comprises the following steps: selecting and cleaning yak bones; stewing; drying; performing primary pulverization; performing secondary pulverization; performing ultra-fine air stream pulverization, dewatering and other process steps to obtain the finished product of the nano yak bone powder. The obtained nano yak bone powder product has the advantages of particle size up to 100-300nm, uniform dispersibility and good taste, and can be absorbed easily; and meanwhile the nano yak bone powder can be taken as a nutritive food additive to be widely applied to foods such as meat products, pastries, seasonings and the like.

The invention discloses an allogenic bone supercritical carbon dioxide ungrease treatment method, and belongs to the technical field of medical material treatment. According to the method, a supercritical carbon dioxide extraction technology is adopted, grease in bone segments or bone blocks or bone powder is extracted and removed, and a pretreatment and aftertreatment storage technology of medical bone is further researched through the method. By means of the method, the medical bone is completely ungreased, bone storage time is prolonged, the medical bone has no obvious immunogenicity in use and can be perfectly embedded into original bone tissue of a patient, meanwhile, organic chemical materials harmful to human bodies are not introduced in the preparation process, and the method is safe and free of toxic and side effects.

The invention discloses an animal bone calcium extraction method and bone gla protein made thereby. The animal bone calcium extraction method includes the steps of triple defatting, double centrifuging, fermenting, and compound protease hydrolysis. Fat in the bone powder made by the defatting process is substantially removed, so that fat content of calcium agent obtained by enzymolysis is smaller than 0.1%. The bone gla protein is safer and healthier for consumers with cardiovascular diseases but causes no increase in financial burden.

The invention provides a 3D printing personalized cage-like tooth bone grafting guide plate. The guide plate is characterized in that a bone defect form in a region needing bone grafting is reconstructed by three-dimensional modeling, and a support is of a cage-like structure, wherein one part of the support is like a cage used for making contact with a bone defect part of alveolar bones and guiding bone powder grafting, and the other part of the support is like a cage cover used for making contact with soft tissue and restoring contours of gingivae. In a clinical bone graft surgery, firstly, the cage is placed in the bone defect region, bone power is then placed, the cage is covered by the cage cover, and therefore a cage-like region which can guide bone powder to be grafted into a specific position, maintain the form of the bone defect region and support the form of the soft tissue, at the same time, magnesium ions promoting bone formation are released out after cage-like bone grafting guide plate materials are degraded, and the quality and speed of bone regeneration are further improved. Not only can the use of guided tissue regeneration membranes be reduced, but also the clinical operation difficulty of doctors can be reduced.

The invention belongs to the technical field of ceramic and particularly relates to a high-whiteness bone ceramic. The invention aims to solve a technical problem of providing the bone ceramic which is good in color and high in whiteness. To solve the technical problem, the invention provides the high-whiteness bone ceramic. A blank body of the bone ceramic comprises, by mass, 5%-7% of feldspar, 2%-3% of talc, 8%-9% of kaolin, 9%-11% of quartz, 10%-13% of alumina and 66%-57% of bone powder. The invention has following beneficial effects: (1) the bone ceramic is good in color and high in whiteness since the content of the bone powder is high and the contents of lead and cadmium are very low in the raw materials; and (2) the alumina is employed in the raw materials of the bone ceramic, wherein the alumina is low in cost and is high in the content of aluminium oxide so that a production cost of the bone ceramic can be effectively reduced.