93 results about "Fracture union" patented technology

The invention discloses a traditional Chinese medicinal composition, and particularly discloses a traditional Chinese medicinal composition for treating fracture and a preparation method thereof. The traditional Chinese medicinal composition for treating the fracture is characterized by comprising the following components: Chinese angelica, red paeony root, szechuan lovage rhizome, manchurian wildginger, himalayan teasel root, eucommia bark, fortune's drynaria rhizome, ground beetle, safflower, peach seed, suberect spatholobus stem, williams elder twig, twotooth achyranthes root, garden balsam stem, common clubmoss herb, dried rehmannia root, notoginseng root, root of red-rooted salvia, yanhusuo, pyrite, dragon's blood, frankincense, myrrh, cuttlebone and maifanite. The traditional Chinese medicinal composition is specially used for treating the fracture, has obvious curative effect, gives full play to medicinal properties, addresses both symptoms and root causes, is safe and reliable, and has the excellent effects of dispelling blood stasis, generating fresh blood, cooling blood, stopping bleeding, administering aromatic, removing obstruction, easing joint movement, subdhing swelling, relieving pain, promoting tissue regeneration and fracture union, joining sinew and setting broken bone. 980 patients were treated, and the total effective rate is 98 percent.

The present invention discloses one kind of injected bone repairing material and its preparation and application. The injected bone repairing material consists of solution I and solution II, the solution I is the mixture of platelet rich plasma (PRP) and 80-100 mg/ml concentration fibrinogen solution in the ratio of 1 to 3-6; and the solution II is solution mixture of calcium chloride in 40 mmol/ml concentration and thrombin in 400-1000 U/ml concentration. When the injected bone repairing material is used, solution I and solution II in the volume ratio of 1-9 are sucked with two syringes and injected into body to form gel with high adhesive force, with PRP accounting for 10-30 vol%. The injected bone repairing material is used in preparing implant for treating bone defect and bone nonunion and promoting fracture healing.

A combination treatment, wherein a strontium-containing compound together with one or more active substances capable of reducing the incidence of bone fracture and/or increasing bone density and/or improving healing of fractured bone and/or improving bone quality are administered for use in the treatment and/or prophylaxis of cartilage and/or bone conditions.

The present invention discloses a controllable micromovement interlocked intramedullary nail. Said interlocked intramedullary nail includes an intramedullary nail, and it is characterized by that a degradable bio-active material for covering, supporting and locking said intramedullary nail is set in distal nail-locking hole or proximal nail-locking hole or in distal and proximal nail-locking hole, after the degradable bio-active material is degraded, between the intramedullary nail and nail-locking hole an axial gap is existed. Said invention can further raise the fracture union effect.

Disclosed is a fracture union-promoting medicine which is prepared from (by weight ratio) drynaria 25-35%, notoginseng 15-25%, astragalus root 40-60%. The invention also discloses the process for preparing the medicament for promoting knitting.

The invention relates to the technical field of Stewart platform parameter solution, and more specifically, relates to a CT scanning based measurement method for Taylor stent parameters. The method includes the following steps: S1, putting a Taylor stent on the broken deformed leg bone of a patient through an operation, selecting rings with different sizes and supporting rods with different lengths according to the deformed part and specific circumstances of fracture, and performing individualized installation; and S2, performing CT scanning on the installed Taylor stent deformed leg bone anda correspondingly healthy leg bone, obtaining a DICOM format file, performing three-dimensional reconstruction to export a three-dimensional model, and removing soft tissue and other interference factors. The method can perform precise corrective repositioning on fracture deformity, is good for fracture healing and the functional recovery of ill limbs and has high medical values and social benefits.

The invention relates to an internal fracture fixator which comprises locking screws, a connecting rod and fastening nuts. The traditional operational process of internal fracture fixation is changed by the internal fracture fixator, surgical operation is simplified, the direct contact area proportion of the internal fracture fixator with skeletons of four limbs of a patient is low, and the internal fracture fixator is free of contact with the skeleton at a fracture position of the patient, so that interference on the fracture position and interference on blood supply to bones below the internal fracture fixator are avoided, and the internal fracture fixator is beneficial to fracture healing; a system adopts a corner fixation mode, a fixation effect is good, and probable pulling-out and loosening of the screws and the like are avoided; minimally invasive surgery can be carried out via a subcutaneous tunnel, traumas are small, bleeding is rare, recovery is fast, and complications can be greatly reduced; and the fracture position can be pressurized again after the patient is subjected to fracture fixation, so that fixation is stable, and fracture healing is facilitated.

The invention discloses a locking and pressurizing bone setting plate with slideable sliding blocks. The locking and pressurizing bone setting plate with the slideable sliding blocks comprises a bone setting plate, wherein the two ends of the bone setting plate are arc-shaped, the bone setting plate comprises a bone setting plate upper part and a bone setting plate lower part which are sequentially connected, and the bone setting plate upper part and the bone setting plate lower part are connected in a smooth transition manner; the outer side surface, corresponding to a femoral shaft, of the bone setting plate upper part is provided with first locking holes, the bone setting plate upper part below the first locking holes is provided with a rectangular through hole, sliding blocks which can move along the inner wall of the through hole are arranged on the rectangular through hole, and the outer side surfaces, corresponding to the femoral shaft, of the centers of the sliding blocks are provided with screw holes; the bone setting plate lower part is provided with second locking holes. Through the arrangement, the locking and pressurizing bone setting plate with the slideable sliding blocks has the advantages that the influence of a bone setting device on periosteum blood supply can be reduced, the stripping range of the periosteum is reduced and the locking and pressurizing bone setting plate is applicable to various femoral shaft fracture situations; when the fracture does not heal well, screws on the top plate can be taken out, thus the sliding blocks can slide in a sliding groove when a patient bears partial load, pressure can be applied to fracture ends and the fracture healing is facilitated.

The present invention provides a Chinese adhesive plaster for external application for promoting fracture union-Gushentie plaster. It is prepared by making 7 Chinese medicinal materials of 8-12 weight portions of ox horn powder, 8-12 weight portions of prepared frankincense powder, 8-12 portions of prepared myrrh powder, 8-12 portions of millet powder, 2-5 weight portions of charred hair powder, 3-6 weight portions of honey and 50-60 weight portions of rice vinegar go through a certain preparation process. Said invention can improve the microcirculation of fracture region, and can relieve inflammation and stop pain.

The invention relates to the technical field of medical apparatuses and instruments, particularly to a radius head comminuted fracture in-pile fixing device and method. The radius head comminuted fracture in-pile fixing device and method adopts metaphysis fracture intramedullary fixation principles. The radius head comminuted fracture in-pile fixing device is characterized by comprising prismaticfixing nails, an intramedullary fixing pile and a ring-shaped fixing strap. By repairing radius head comminuted fracture in multiple directions and at multiple angles through the intramedullary fixingpile, the prismatic fixing nails and the ring-shaped fixing strap, the radius head comminuted fracture in-pile fixing device and method is particularly applicable to reconstruction of comminuted andhumble cartilage fracture fragments and can reduce operating difficulty, effectively avoid primary radius bone displacement, save medical costs and achieve positive clinical effects; the surface of the intramedullary fixing pile is in a porous design, facilitates bone ingrowth and promotes fracture union.

The invention provides a method for collecting mesenchymal stem cells by building a rat stress fracture model. The method comprises the steps that firstly, the rat stress fracture model fixed by an external fixing support is built, after modeling successes, fracture broken-end tissue is taken out, and the migrating cells are separated and cultured; the mechanical environment for fixing the fractured position is controlled, the mesenchymal stem cells are collected, and fracture healing is promoted. The method is easy to operate, scientific and reasonable, a shearing method is adopted to separate the migrating cells in the fracture broken-end tissues, the method is easy and convenient to implement, the injury to the cells is small, most of the cells in the fracture broken-end tissues can be separated out, operation time is short, the method can be applied to researching of the influence of the fracture healing early stress environment on the collection of the mesenchymal stem cells of the fracture broken end and further researching of indexes like differentiation of the mesenchymal stem cells, the early safe and effective rehabilitation plan of the fracture is guided and determined, and through the proper stress, the joint function is restored to be normal while more mesenchymal stem cells are collected.

The invention relates to a mandible reduction device. The device comprises a fracture connecting part matched with the radian of the lower edge of a mandible, a bone-setting part arranged at the upperend of the fracture connecting part and matched with the radian of a labiobuccal sulcus, and traction parts arranged on the upper portion of the connecting part and on two sides of the bone-setting part. Positioning holes are formed in the connecting part, mounting holes are formed in the bone-setting part, traction holes are formed in the end, away from the connecting part, of the traction parts, the bone-setting part is arranged in the middle of the connecting part, and the connecting part, the traction parts and the bone-setting part are all connected to the mandible through traction nails. The mandible reduction device achieves fracture reduction and effective fixation, recovers the anatomical structure of the mandible to the maximum extent, promotes fracture healing, improves clinical symptoms of a patient, and improves the clinical treatment effect.

The invention discloses a screw assembly for bone fixation and a bone fixing device. The screw assembly for bone fixation comprises a non-degradable nut and a degradable absorption screw main body, wherein the nut is detachably connected with one end of the screw main body, and the outer peripheral surface of the screw main body is provided with external threads. The bone fixing device comprises abone fracture plate and the screw assembly, wherein the bone fracture plate is penetrated by a plurality of fixing through holes along the thickness direction of the bone fracture plate; and after ascrew main body of the screw assembly is matched with one fixing through hole, one end, far away from the nut, of the screw main body protrudes out of the bone fracture plate. The inventive screw assembly can be used for bone fixation, has stable mechanical property and low cost, is used for matching with a bone fracture plate to realize bone fixation, and can promote fracture healing and accelerate callus remodeling or remodeling, so that delayed healing or nonhealing of fracture is avoided.

The invention provides application of a bone protecting capsule as medicine for treating traumatic fracture, and relates to the technical field of traditional Chinese medicine application. The bone protecting capsule with a traditional Chinese medicine formula comprising fleeceflower roots, herba epimedii, prepared rehmannia roots, tortoise shells, radix morindae officinalis, eucommia barks, radix dipsaci, rhizoma drynariae, radix angelicae sinensis and Chinese yam is used as medicine for treating traumatic fracture. By constructing a rat fracture model, the effects of the bone protecting capsule for promoting bone formation, accelerating generation of bony callus of a fracture part and improving the total efficiency of fracture healing are fully verified, and an experimental basis is provided for treatment of traumatic fracture by using the bone protecting capsule.

A cylindrical tension band pressurizing fixing apparatus for patellar fracture mainly comprises an outer sleeve, an inner rod, a primary tension band and a secondary tension band. The outer sleeve and the inner rod can be axially and freely sleeved together in a pluggable manner, and the primary tension band and the secondary tension band are sleeved on the outer sleeve and the inner rod. The cylindrical tension band pressurizing fixing apparatus for patellar fracture is a human body internal fracture inner fixing apparatus mainly used for patella transverse fracture or slightly comminuted patella fracture. The distance between the outer sleeve and the inner rod is shortened by the aid of tensioning of the tension bands, so that two fracture ends are fixed in a pressurized manner and are prevented from moving laterally, deformity of the two fracture ends is avoided, and fracture stability is maintained. Fracture boundaries can contact tightly, friction force is increased, fracture stability is increased, joints of a patient can be trained early, and fracture union is promoted.

The invention discloses a fixing suspension device for a posterior cruciate ligament avulsion fracture reduction surgery and an operation method. a) Knee joint cavity posterior mediastinal tissues and avulsion bone block surrounding fascia tissues need to be cleaned in the surgery to facilitate fracture exposure and reduction in the surgery; b) after avulsion bone block reduction, an ACL reconstruction dead point positioner needs to be used for holding, a 4.5 mm positioning rod needs to drill out from the middle part of a bone block, a PDS wire is introduced along the inside of the positioning rod, and the additional use of a wire feeding device is not needed; and c) during fixation, a wire ring is forcibly tensioned at a knee bending position of about 90 degrees and is extruded and fixed, so that the posterior cruciate ligament is in the most relaxed state, a fracture block and a bone bed can keep tight fit to maintain stable reduction of the bone block. The operation steps are few, the operation is simple and easy to implement, fracture reduction and fixation are firm and reliable, when the joint moves, the fracture end can slightly move, the BO principle of fracture healing is met, and fracture healing is facilitated, rehabilitation exercises can be performed as soon as possible to recover the joint function.

The invention belongs to the technical field of bone screws for orthopedic surgery, and particularly relates to an anti-backing bone screw assembly, which comprises a steel plate with a screw hole, ascrew body and a fitting screw; the screw hole comprises a cylindrical main groove, the bottom of the cylindrical main groove is provided with a circular boss, and the circular boss is provided with positioning notches; the screw body comprises a screw top and a cylindrical screw part, the screw top is provided with a top protrusion, the central part of the screw top is provided with a first hexagonal recess, and the center of the first hexagonal recess is provided with a cylindrical channel; The anti-backing bone screw assembly further comprises the fitting screw which comprises a cap and a shank. Compared with the prior art, the anti-backing bone screw assembly has the advantages that The steel plate with the threaded hole, the screw body and the fitting screw are provided, the screw body and the steel plate can be relatively fixed, even if a bone and a bone thread of the screw body are loosened, the screw can still be prevented from backing, fracture healing is promoted, the risk caused by osteoporosis is reduced, and the complications are reduced; the anti-backing bone screw assembly is simple and convenient to operate and is suitable for popularization.

The invention discloses a fracture healing simulation method based on an ultrasonic effect and a force environment. The fracture healing simulation method specifically comprises the following steps: establishing a three-dimensional model of a fracture part; meshing the obtained geometric model, and establishing a finite element model of bones and callus; analyzing and resolving the finite elementmodel, and solving expansion strain and distortion strain of the fracture area; establishing an ultrasonic three-dimensional diffusion model of the fracture area; carrying out finite element calculation on the ultrasonic three-dimensional diffusion model to obtain sound field distribution of a fracture area; establishing a fuzzy mathematical model of force and ultrasonic sound field distribution joint control; calculating new material attributes in the organization; establishing a fracture healing simulation process based on the ultrasonic effect and the mechanical environment according to thesteps, judging whether the material attribute in the tissue reaches the material attribute value of the bone or not according to the tissue material attribute value calculated in the step 8, and finishing simulation if the material attribute value of the bone is reached; otherwise, updating the organization material attribute value and entering the next iterative simulation.

The invention discloses application of a bone cell Wnt activator in preparation of a medicine for accelerating fracture healing and preventing and treating bone nonunion and non-movement or weightlessbone loss, and relates to the two fields of fracture healing and weightless bone protection. According to the invention, bone cell Wnt signal activation is proposed for the first time, so that the healing speed of bone fracture can be greatly increased, weightless bone loss can be completely prevented, various complications caused by the bone cell Wnt signal activation are avoided, and better clinical achievement conversion and output are facilitated. Meanwhile, bone cell Wnt signals are activated, delayed fracture healing or non-fracture healing and even bone nonunion can be treated, and theinfluence of osteoclast activity is avoided. Experimental data and a research direction are provided for delayed fracture healing and bone nonunion in clinical treatment. The invention also puts forward for the first time that: the activation of the bone cell Wnt signal can completely prevent and treat weightless bone loss, is beneficial for astronauts to prevent and treat weightless bone loss, and has important clinical significance and strategic value.

The invention relates to a four-limb fixing steel plate capable of automatically converting AO rigid fixation into BO elastic fixation. The four-limb fixing steel plate comprises a bone fracture plate, a through groove/groove, a sliding block and the like, wherein the bone fracture plate is provided with screw through holes and is fixed through bone fracture nails; when a gasket is additionally arranged between the sliding block and the through groove or the groove and the bone fracture nail is fixed, rigid connection is formed among the sliding block, the bone fracture plate, the bone fracture nails and the broken bone, the whole system forms a stable rigid structure at the beginning of fixation, and the bone fracture/fixture complex is in stable static fixation. Along with the gradual degradation and absorption of the gasket in the body, the connection between the sliding block and the bone fracture plate is gradually loosened; however, the position relation between the bone fracturenails and the sliding block and the position relation between the bone fracture nails and the bone are still rigid connection, the sliding block limited by the bone fracture nails can only axially slide along the bone fracture plate under the action of external force on the bone, axial non-rigid connection is formed between the sliding block and the bone fracture plate, and fixation of the wholesystem is gradually changed into axial non-rigid dynamic fixation. Therefore, fracture healing is facilitated, and an operation of removing a steel plate is omitted.

The invention belongs to the technical field of medical auxiliary instruments, and particularly relates to a universal fracture reduction fixing device. The adjusting space of the restorer is too small, so that the adaptability is insufficient; in addition, when various types of functional parts are used by the restorer, due to the problem of a coaxial structure of the restorer, the expansibility of the restorer is poor, and the restorer is inconvenient to use and operate. The fixing device comprises a base, a handle, a hook piece and a rod piece. The hollow rod piece comprises an outer rod and an inner rod, and the outer diameter of the inner rod is smaller than the inner diameter of the outer rod; the hook piece comprises an arc-shaped section and a straight section, and an angle with a certain threshold value is formed between the arc-shaped section and the straight section. The fracture reduction fixing device is labor-saving, simple and convenient to operate, greatly reduces the difficulty of a fracture reduction operation, can reduce periosteum stripping and blood supply damage, improves the reduction precision, facilitates fracture healing, relieves the pain of a patient, facilitates subsequent installation of a bone fracture plate, and meanwhile, enables the application of a percutaneous minimally invasive internal fixation technology to be simpler and more convenient.