38results about How to "Increased trauma" patented technology

The invention belongs to the field of biomaterial preparation and biomedical application, and particularly relates to a fibroin bone cement biological adhesive with excellent wet state adhesion and immediate high strength mechanical properties and a preparation method thereof. According to the preparation method, polyphenols / hydroxyapatite or polyphenols / calcium phosphate is introduced into a fibroin solution system to prepare the fibroin bone cement biological adhesive with super strong adhesion. The adhesive has excellent wet state adhesion, and the novel injectable bone cement adhesive is provided for bone and joint hard tissue injury caused by trauma and pathological diseases. The adhesive can also be used as a hemostatic adhesive material for tissues such as skins, organs, blood vessels, nerves, muscles and mucous membranes.

The invention discloses an orthopedics department deformity correction and bone fracture reduction fixing device and a processing method of the fixing device. The fixing device comprises an outer fixing frame or an outer fixing plate, wherein the outer fixing frame or the outer fixing plate is used for fixing needles inserted into the bone tissue, at least one end of the fixing needles is exposed out of the skin, in addition, the end part, exposed out of the skin, of the fixing needles is the end to be fixed, the outer fixing frame comprises a first fixing frame body and a second fixing frame body, the outer fixing plate is a fixing plate used for fixing all of the fixing needles inserted into the bone tissue to be fixed, and the outer fixing plate comprises one or several fixing plate blocks. The processing method comprises the following steps of image information collection before reduction, computer virtual reduction, fixing device structural design and fixing device processing. The fixing device provided by the invention has the advantages that the automatic reduction function is realized, the structure is reasonable, the fixation effect is good, and the defects of reduction deformity correction difficulty, surgery operation complexity, overdependence on the clinic experience of doctors and the like in the existing bone fracture reduction or deformity correction process can be effectively overcome.

The invention discloses an intracranial piercing laser locator which comprises an arch rack, a light-emitting head arranged on the two ends of the arch rack, and an electric drill with a puncturing needle, the puncturing needle and the light-emitting head are on a same straight line. The device provided by the invention can be connected with electric drills and intracranial hemotoncus suction spindle for piercing treatment for any positions of human body.

The invention relates to an intelligent reduction system for a long bone fracture. In order to avoid a long bone fracture open reduction fixing operation and achieve precise, minimally invasive and intelligent fracture reduction fixing and even if remote treatment, according to the technical scheme, the intelligent reduction system comprises a perspective system, a computer control system and a reduction mechanical arm, wherein the computer control system is used for receiving images of the perspective system, and the reduction mechanical arm is controlled by the computer control system to perform corresponding actions. A five-shaft manipulator is arranged on the reduction mechanical arm, is driven by the reduction mechanical arm and enables the fracture portion to perform positive and negative bi-direction translation, tilt and rotation in the X coordinate axis, the Y coordinate axis and the Z coordinate axis. By the adoption of the technical scheme, a doctor will not be subjected to a great deal of radioactive irradiation in the perspective reduction process, increased wounds and pains, caused by long bone fracture open reduction, of a patient are avoided, and the purpose of precise, intelligent and minimally invasive closed reduction for the fracture is achieved.

The invention discloses a lumbar vertebral arch internal fixed bolt used for orthopedic surgery of a hospital and an application device of the bolt. A single bolt type percutaneous zygopophysis pedicle bolt internal fixation system comprises a locating sheathing canal and a corresponding inner core, a guide pin for determining the bolt depth, a soft tissue expander for expanding a bolt placement channel of the body surface, a tapping rod piece, a medical hollow drill and a drilling tool for drilling a bone, a bolt installing device and a vertebral pedicle bolt. The vertebral pedicle bolt is divided into a third thread segment, a rough rod segment, and an internal hexagonal heavy platform is arranged on the nut, the bolt installing device is a hollow structure, and is in counterpoint connection with the nut through a connection key at the front end, and the connection key is a boss matched with the internal hexagonal heavy platform. The invention overcomes the default of complex operation step in the prior art, and provides the single bolt type percutaneous zygopophysis pedicle bolt internal fixation system having low improvement cost.

The invention belongs to the field of the preparation of gelatin derivative materials and in particular relates to a composite porous microsphere material formed by compounding gelatin, calcium phosphate and an antler polypeptide bioactive tissue or bone morphogenic protein (BMP). The composite porous microsphere is formed by uniformly dispersing, in a gelatin composite porous microsphere, the calcium phosphate and active-substance antler polypeptide or bone morphogenic protein which is capable of promoting bone growth; wherein, the weight of the active-substance antler polypeptide or the bone morphogenic protein accounts for millesimal to five percent of the weight of the gelatin; soluble calcium salt which forms the calcium phosphate ranges from 0.0003 to 0.03 mol in each gelatin; and the amount of soluble phosphate causes the ratio between Ca element and P element to range from 1:1 to 2:1. The composite porous microsphere material can also contain crosslinking agent. The composite porous microsphere material is a bone repair biological material which has good biocompatibility and good bone induction activity.

The invention discloses a medical vertebral rehabilitation powder for treating the prolapsed intervertebral disease, prepared from the following raw materials in parts by weight: 15-30 parts of saposhnikovia divaricata, 15-30 parts of cortex lycii radicis, 18-36 parts of safflower, 15-30 parts of mastic, 15-30 parts of myrrh, 15-30 parts of notopterygium root, 15-30 parts of cinnamon, 10-20 parts of borneol, 10-20 parts of asarum and 10-20 parts of natural copper by the processing steps of by crushing and mixing. The application of the medical vertebral rehabilitation powder comprises the following steps of: adding boiled water to the powder, uniformly stirring into paste, cooling and applying to the skin at diskal hernia, and covering a plastic film, a towel and a hot-water bag sequentially on the powder for fomenting for about 3h once a day. The invention has good curative effect, short course of treatment and low cost without any toxic or side effect.

The invention provides a correction auxiliary arch for an impacted wisdom tooth. The correction auxiliary arch is characterized by comprising a stainless steel arc hook matching with an arc side surface of the impacted wisdom tooth, a stainless steel elastic steel wire having one end connected with the stainless steel arc hook and a stainless steel positioning U-shaped hook connected with the other end of the stainless steel elastic steel wire. Compared with the prior art, the invention has the following advantages: manufacturing of the correction auxiliary arch is simple; the correction auxiliary arch does not influence beauty and daily life, is not restricted by time in use, can correct anteverted impacted wisdom teeth at all weather, has maximized potential, is fixed in a mouth, causes little foreign body sensation and is easy to clean; a curative effect of the correction auxiliary arch is not dependent on cooperation of a patient; no operative complications occur; and the patient is willing to accept the correction auxiliary arch.

The invention discloses an absorbable anti-adhesive membrane for cardiac surgery and a preparation method of the absorbable anti-adhesive membrane. The absorbable anti-adhesive membrane is a membrane prepared by a copolymer of 30wt%-60wt% of polyethylene glycol and 40wt%-70wt% of lactide. The absorbable anti-adhesive membrane is a colorless membrane free of impurity and having good elasticity and flexibility, can provide a temporary physical barrier on a chest wall and the surface of a heart without being protected by a pericardium to prevent adhesion, has the advantages of safety (no found toxicity, irritancy and pyrogen reaction), good biocompatibility, easiness in obtaining of raw materials, and convenience for surgical operation, is absorbable and degradable in vivo, good in adhesivity with a wound surface of an organism and capable of being degraded by the organism, and the degradation product can be absorbed and utilized by the organism without side effect. The absorbable anti-adhesive membrane can be used for anti-adhesion in the cardiac surgery and is convenient, safe and effective.

The invention relates to the field of medical equipment and specifically relates to a medical compass position indicator. The medical compass position indicator comprises a positioning control panel, a first base and a second base, wherein the first base and the second base are arc-shaped; the first base and the second base are symmetrically arranged; one end of the positioning control panel is fixedly connected with the middle of an outer side of the first base; a connecting plate is arranged at the other end of the positioning control panel; the connecting plate is in a semi-circular shape; a button switch is arranged at an upper end of the connecting plate; the positioning control panel is internally provided with a mini-type storage battery and the position of an intramedullary nail can be accurately known through a compass; opposite attraction can also be carried out through magnets so that a whole positioning system is reinforced; when the compass is used for positioning, the medical compass position indicator can be used for more accurately positioning and wounds of patients can be prevented from being enlarged; a surgery is easy to carry out and the intramedullary nail is accurately positioned; in a surgery process, influences on health of patients and medical personnel are not caused.