38results about How to "Increased trauma" patented technology

A surgical device for removing implanted devices includes a sleeve device with an elongated trough portion arranged to extend through a skin opening and be positioned subjacent to a particular implanted device. A removable knife assembly is inserted through a tubular portion of the sleeve device and is used to incise scar tissue from a proximal end of the implanted device. The implanted device is then manipulated through the opening in the surrounding scar tissue and deposited on the trough portion of the sleeve device whereupon it is removed through the skin opening. The surgical device may also include a removable trochar device slidably engaging the tubular portion of the sleeve device and penetrating flesh to the implanted device.

The invention discloses a preparation method of medical temperature-sensitive hydrogel. The preparation method comprises the following steps: taking carboxymethyl chitosan, polyvinyl alcohol, sodium alginate and silver nitrate as raw materials; dissolving and mixing; then adding an ascorbic acid water solution and glutaraldehyde; obtaining crude gel by adopting a microwave radiation method; washing the crude gel with diluted acetic acid and water; drying the crude gel in vacuum at 40 DEG C until the weight is constant, so as to obtain the medical temperature-sensitive hydrogel. The medical temperature-sensitive hydrogel disclosed by the invention has a relatively good antibacterial effect, has a wide antibiotic spectrum and no cell toxicity and has high efficiency and low toxin; after the medical temperature-sensitive hydrogel is uniformly sprayed, one layer of a gel thin film is formed on the surface of a wound and has a lasting antibacterial effect and good air permeability and moisture retention; the medical temperature-sensitive hydrogel has the effects of promoting wound healing, stopping bleeding, stopping pain, resisting inflammation and sterilizing, can be used for large-area irregular traumas including burns, scalds, traumas and the like and can also be used for other skin inflammations including bedsores, skin ulcers, tinea manus and pedis, female vaginitis, cervicitis, cervical erosion and the like.

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 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 relates to an isolated culture method for tumor-specific T cells and a product obtained through the method. The isolated culture method comprises the steps that firstly, peripheral bloodof a tumor patient is pretreated, mononuclear cells are separated from the peripheral blood, the mononuclear cells with positive PD-1 are separated out, finally, the mononuclear cells with positive PD-1 are amplified, and the tumor-specific T cells are obtained. An initial material involved by the isolated culture method for the tumor-specific T cells is the peripheral blood of the tumor patient,tumor tissue or malignant pleural effusion and ascites of the patient do not need to be used as the material, the material is more conveniently collected, blood sampling can be conveniently conductedon almost all tumor patients, and no large wounds are caused; the finally-obtained T cells are high in tumor specificity and comprise T cells with positive CD4 and T cells with positive CD8; the method is simple in operation process and short in required time.

The invention relates to a western medicine preparation, in particular to a method for preparing a ketoprofen patch. The ketoprofen patch comprises a lining material, a medicine storehouse and an anti-sticking material, wherein the medicine storehouse comprises active ingredients and adjuvant materials in parts by weight: 1.20-3.60 parts of main drug ketoprofen, 4.99-9.27 parts of a humectant, 3.5-6.5 parts of an absorption enhancer and 51.69-63.17 parts of a host material; preferably, the medicine storehouse comprises the following ingredients in parts by weight: 2.40 parts of main drug ketoprofen, 7.13 parts of a humectant, 4.99 parts of an absorption enhancer and 57.48 parts of a host material. The invention also provides the preparation method of the ketoprofen patch. The ketoprofen patch disclosed by the invention has the characteristics of being good in tissue compatibility, high in transdermal absorption efficiency, good in stickiness, easy to strip, odorless, simple in process, good in stability and the like, and can be used for treating rheumatoid arthritis clinically, and the total cure rate is 95%.

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 provides a correction device for an anteverted impactedmolar, which is characterized by comprising an anteverted impactedmolar fixing component, a former molar fixing component of the anteverted impactedmolar and a spring ring, wherein two ends of the spring ring are respectively connected with the anteverted impactedmolar fixing component and the former molar fixing component of the anteverted impactedmolar, the anteverted impactedmolar fixing component comprises a straight rod, one rod arranged at the front end of the straight rod and upwards bent, and the other rod arranged at the upper end of the rod which is upwards bent and outwards bent. Compared with the prior art, the correction device has the advantages of being simple to manufacture, free from the influence of attractive appearance and daily life, not limited by the time, maximal in the anteverted impactedmolar correction potential performance in all weathers, fixed in the mouth, small in foreign body sensation, easy to clean, good in cure effect without the cooperation of patients, free from operative complications, and glad to receive by the patients.

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 present invention discloses a preparation method of a parental fish feed containing spirulina platensis powder. Dry materials and wet materials are firstly separately prepared and then mixed at a ratio of 7: 3. The dry materials contain the following components at the following ratio: 80-95 parts of pre-gelatinized starch, 5-15 parts of spirulina platensis powder, 0.3-0.9 g / t of selenium yeast powder, 0.1-0.3 part of composite additive, 30-50 g / t of choline chloride, and 80-100 g / t of bile acids; and the mixed mode follows the principle of progressively enlarging, and small materials are mixed evenly with large materials to conduct progressively enlarging. The composition ratios of the wet materials are as follows: pig afterbirths 30-40 parts, fresh earthworms 3-9 parts, fresh coarse fish 50-70 parts, and the wet materials are prepared by being mixed and minced together. The parental fish feed has simple and easy-to-get raw materials, and cheap price, is nutritionally balanced, has high protein content, and can enhance the gonadal development of the parental fish, enhance the quality of gametes, and ultimately improve the reproduction rate and quality.

The invention encompasses devices and methods used to keep the objective lens of a viewing or illuminating device, specifically an endoscope, free from obstructive fluid and dirt; specifically a device having a hollow body designed to fit over an endoscope, a transparent lens cover film that is retained within the device and that is threaded in front of the objective lens of an endoscope, thereby maintaining a clear and unobstructed transparent window in front of the endoscope lens, and an endcap configured to engage opposing edges of the lens cover film in a sealing manner.

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 technical field of medical apparatuses, in particular to a magnetic-type nasal septum noninvasive hemostasis pressurizing anastomat which is applicable to a nasal surgery and is capable of replacing nasal packing and nasal septum suturing technologies; the anastomat is characterized by comprising two nasal pressurizers, wherein the front ends of the nasal pressurizers are connected; the nasal pressurizers are provided with strip-shaped main bodies; more than two sheet-shaped supporting bodies are arranged on each main body; and magnetic points, which are matched, are arranged at the tail ends of the sheet-shaped supporting bodies of the two nasal pressurizers. Compared with the prior art, the anastomat disclosed by the invention has the following advantages: trauma is not further worsened, and after a patient undergoes an operation, normal nasal ventilation is guaranteed, the feeling of pain is avoided, an operation of removing stitches is avoided and additional psychological trauma is avoided; and the device (the anastomat), when used by a special technician, can be directly implanted in a nasal cavity, so that operating difficulty is reduced and operation time is shortened; and the problems of a suturing technology which is not easy to master and difficult to popularize are solved.

The invention relates to a natural plant essence repairing mask. The natural plant essence repairing mask consists of powder and a solvent, and is used for oral administration and external application, that is, the powder is orally taken, and the powder and the solvent are mixed for external application. The raw material powder comprises the following components in parts by weight: 0.2-2 part of tremella powder, 0.2-2 part of lily powder, 0.2-2 part of honey freeze-dried powder, 0.1-0.12 part of coix seed powder, 0.1-1.5 part of Chinese yam powder, 0.1-1.5 part of sweet almond powder, 0.1-1.5part of whey protein powder, 0.1-1 part of royal jelly freeze-dried powder and 0.01-0.1 part of trehalose. The preparation method of the natural plant essence repairing mask comprises the following steps: uniformly mixing the raw material components, and performing sub-packaging. The selected raw material powder adopts natural raw material components which have high biological activity and are rich in various nutritional ingredients, and can increase cell activity, improve and eliminate dull yellow and rough skin, restore skin elasticity and homogenize skin color when being externally used. The effects of tonifying lung, moistening lung, strengthening lung and clearing lung can be achieved during oral administration, and harm caused by air pollution is eliminated. The preparation method ofthe natural plant essence repairing mask is simple and easy to implement, low in cost and suitable for mass production.

The invention relates to a device for creating cavities under magnetic traction actions. The device is applicable to endoscopic neck surgery, and is characterized by comprising a magnetic device (1) and support arms; the magnetic device (1) is arranged on the surface of a skin (2), and the support arms are arranged below a layer of the skin (2) and can be attracted by the magnetic device (1) on the surface of the skin (2) to outwardly move, so that the surgical cavities can be created; the support arms include an upper-layer support arm (3) and a lower-layer support arm (6) which are movably connected with each other by a rivet (4); the support arms are made of materials capable of being magnetically attracted. The device has the advantages that only relatively concealed positions of the necks of patients need to be slightly incised, the device can be used for surgical approach and postoperative drainage, and beautifying effects can be realized; the purposes of minimally invasive surgery can be achieved; surgical trauma can be reduced; surgical incision can have high degrees of freedom of selected positions.

In an implantable cardiac stimulation electrode, an implantable cardiac stimulation lead, and a stimulation delivery method, the electrode body is provided with a matrix metalloproteinase inhibitor or a precursor thereof, in a release structure that allows release of the metalloproteinase inhibitor or precursor thereof from the electrode body into surrounding tissue, after implantation.

The invention relates to a lemon biological wine and a brewing process thereof. Glutinous rice and rice are used as main raw materials, and saccharification extract, alcoholic yeast, bioenergetics and lemon are added. The lemon bio-wine of the present invention has an alcohol content equivalent to that of white wine, and is not produced by a blending process in the brewing process, but is completely brewed from grains and plants. There is no alcohol smell in the back mouth, no feeling of thirst, sobering up quickly, not hurting the body, the brewing process is reasonable and simple, the brewing time is short, the yield rate is high, and food is saved.

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 ofcortex 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 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 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 a clinical sampling device for lung cancer tumors, which belongs to the technical field of medical apparatus and instruments, and comprises a sampling tube, the outer wall of sampling tube is provided with a fixed tube, the upper end of sampling tube is connected with a storage tube, and the sampling tube is internally and movably provided with a piston; clinical sampling device comprises at least two push rods, the lower ends of the push rods are connected with the upper end of the piston, the upper ends penetrate through the storage tube, and the penetrating parts are connected with push plates; a puncture tube is arranged in the sampling tube and a sealing tube at the same time, and the puncture tube is detachably connected with a connector; a plurality of gradient-shaped fracture openings are formed around the lower end wall of the puncture tube; a plurality of gradient-shaped detachable sampling openings are formed around the lower end wall of a puncture needle, and the position of each sampling opening corresponds to the position of a corresponding fracture opening; and a plurality of sampling devices are uniformly and detachably arranged on the storage tube. According to the invention, one-time multidirectional sampling can be realized, the influence caused by repeated sampling is avoided, the easy blockage in the sampling process is avoided, and the lung cancer sampling convenience is improved.

The invention discloses a preparation and application of a rabbit alveolar bone defect model. An edentulous area is used for preparing non-boring deossification, the price is low relatively, an alveolar bone is similar to a human alveolar bone, and when being used for preparing an animal alveolar bone model, the preparation method has good economy and practicality. A standard jaw defect model which is clear in marking points, regular in borders, good in repeatability and quantizable is established. The modelling success rate is high, the preparation method is simple to operate and easy to duplicate, the ossification promoting properties of materials can be effectively evaluated, further a reliable imaging and histology evidence can be provided for screening and evaluation of various bone transplantation materials, and the application range is broad.

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 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 provides a single-hole pneumoperitoneum-free operation device for the general surgery department. The invention belongs to the technical field of medical instruments. According to the technical schemes of the invention, the device comprises an outer sleeve body, and a supporting assembly is installed on one side of the outer sleeve body and located on the annular side of the outer sleeve body. The abdominal wall of a patient can be separated from organs in the abdominal cavity without introducing CO2 into the abdominal cavity of the patient to establish pneumoperitoneum.