52results about How to "Reduce wound infection" patented technology

A wound spacer device comprising multiple beads connected by non-absorbable suture material is disclosed. The device can be applied, for example, by a first responder to an injured individual, or can be applied by a trauma treatment facility, such as a Level 2 medical unit. In typical embodiments the device allows for site-specific controlled elution of an antimicrobial agent, such as Tobramycin, including defined elution over a period of time, such as 48 or 72 hours.

The invention provides an anastomat for gastrointestinal tract anastomosis surgery and a production method thereof. The anastomat comprises an anastomosis nail and a base and is divided into two types, namely a combined type and an independent type. The anastomat is composed of degradable materials and medical barium sulfate and can be finally disintegrated to be powder to be removed from the body after being used up. An envelope is formed on the outer surface of the anastomat through polyacrylic resin and contains medicines such as sulfonamides and quinolones antisepsis and anti-inflammation medicines and adrenobazonum, dicynone and other hemostasis medicines, and the envelope can selectively perform medicine slow release and controlled release according to different pH physiological environments of gastrointestinal tracts.

The invention discloses a pearl nucleus active liquid used for saltwater pearl culture and a preparation method thereof. In the pearl culture process, by using drug-treated pearl nuclei, immunological rejection on the pearl nuclei after a pearl shell nucleus-implanting operation can be reduced, the migration and the division of small cells are irritated, the formation of pearl sacs is promoted, the wound infection after the operation is reduced, and the goal of comprehensively improving the pearl quality and yield by reducing the nucleus-spitting rate, increasing the thickness of pearl layers and improving the survival rate of cultured pearls is achieved. In the invention, the pearl nucleus active liquid is prepared by utilizing glacial acetic acid, chitosan, tetracycline antibiotics and sterilized filtered seawater. When the pearl nuclei treated by the invention are used for pearl culture, the survival rate of the cultured pearls is increased by 2.59 to 7.33 percent, the pearl-containing rate is increased by 9.8 to 20.07 percent, and the high-quality pearl rate is increased by 5.97 to 12.55 percent.

The present invention relates to a high-strength antimirobial dialdehyde starch cross-linked chitosan film, its production method and application. It is made up by using 1-3 wt% of chitosan acetic acid aqueos solution and 2-7 wt% of dialdehyde starch and adopting the processes of fully stirring, mixing, centrifugal defoaming, film-making, washing with acid, washing with water, drying by airing toobtain the invented product dried film. Said chitosan cross-linked film has excellent mechanical strength, flexibility and good antibacterial function, and has no toxic side effect for human body. Said chitosan cross-linked film has good bacteria-inhibiting action, can be used as clinical medical material for reducing infection of wound.

The invention provides a buckle type skin stretching device and a skin stretching method. The device comprises a fixing member, a fixed stretching member and a suture buckle, wherein the fixing membercomprises a fixing-end main body, a plurality of soft tissue fixing needles are connected below the fixing-end main body, and a traction suture is arranged at the intersection of the soft tissue fixing needles. The fixed stretching member comprises a fixed-stretching-end main body, a sealing fixing piece and a guiding noose, wherein the upper portion of the interior of the fixed-stretching-end main body is provided with a cavity accommodating the sealing fixing piece; the lower end of the cavity is connected with a plurality of intradermal fixing needles; the sealing fixing piece is internally provided with a long hole through which the guiding noose penetrates; the upper portion of the fixed-stretching-end main body is provided with a round hole from which the guiding noose stretches out. The suture buckle comprises a handle and a suture buckle ring, and the tail end of the handle is connected with the front end of the suture buckle ring. The buckle type skin stretching device has the advantages that a wound surface is quickly closed, complications are reduced, all skin organs and corresponding functions thereof are reserved, and the device is easy to operate without damaging other healthy skin tissue and can be matched with a VSD device for use, reduce discomfort of patients and increase the recovery speed.

The invention relates to a method of producing konjac sexual seeds by means of artificial pollination. In sexual growth stage of Amorphophallus konjac, spathes and stamens of konjac are removed manually, cuts are disinfected, pollinating is performed in time, proper rain-shading and sun-shading measures are taken, after-ripening time is extended, and other technical means are implemented; the effects of all the technical steps are given to play; the method of producing konjac sexual seeds by artificial pollution is provided by integration. Compared with the prior art, the method has the advantages of simple steps, high pollination fruiting rate, good cut disinfection effect, low disease damage level in growth stage, good maturity of sexual seeds, high seed germination rate and the like. The method herein helps effectively solves the problems which konjac currently experiences in sexual propagation, such as high disease damage level, weak plant growth, poor seed maturity and low germination rate; the method is well worthy of popularization and application.

The invention discloses a continuous blood glucose monitoring system of a noninvasive glucometer. The monitoring system comprises a hardware system and a software system, wherein the hardware system comprises a near-infrared light source module, a finger, a detection module, an A/D (analog-to-digital conversion) unit, a control and computing module and a display module; and the software system comprises a mobile phone APP application, a database and a third party guardian. The continuous blood glucose monitoring system of the noninvasive glucometer can implement real-time continuous tests on the glucose concentration of a patient in a noninvasive monitoring mode, and the continuous blood glucose monitoring system, which can avoid blood collection, can reduce risk of wound infection in patients with diabetics; besides the patients with the diabetics, other potential groups focusing on their health can closely master their glycemic indexes by virtue of the product (the continuous blood glucose monitoring system); the continuous blood glucose monitoring system, in coordination with movement schemes and diet schemes, can achieve the significance of preventing the diabetics and other chronic metabolic diseases; the continuous blood glucose monitoring system can avoid trauma and consumables, and can achieve better advanced interfere treatment on patients in a prediabetic state; and the continuous blood glucose monitoring system, in coordination with rehabilitation messages, can reduce a disease risk.

The invention relates to wound healing promoting gel and a preparation method thereof. The wound healing promoting gel is prepared by forming a gel matrix by oxidized alginate and diamine or diamidogen matters through a cross-linking reaction and compounding the following components in parts by weight: 5 to 10 parts of carbomer, 10 to 20 parts of isomalto-oligosaccharide, 0.1 to 10 parts of a wound healing promoting drug, 5 to 20 parts of a skin penetration enhancer and 40 to 70 parts of purified water. According to the wound healing promoting gel disclosed by the invention, after alginate is partially oxidized by sodium periodate which is subjected to a specific technology, carboxyl active genes in alginic acid can be activated, occurrence of the cross-linking reaction can be quickened, and the production efficiency of the gel is increased; alginate gel prepared by the invention has higher cohesive energy, is easy to form and not easy to crack, can be suitable for wounds in any parts, and is also capable of inhibiting reproduction of in-vivo harmful bacteria and generation of poisonous corrupt matters, expressing the effects of stopping bleeding, resisting bacteria, clearing wounds and promoting wound healing, and greatly shortening the healing time of the wounds.

The invention belongs to the technical field of medical instruments, and particularly relates to a double-sided heterogeneous degradable metal film and a preparation method thereof. The double-sided heterogeneous degradable metal film comprises a degradable metal matrix, a first film layer and a second film layer, the first film layer and the second film layer are arranged on the opposite surfaces of the metal matrix, the first film layer is a calcium phosphate coating and is arranged on the first surface of the metal matrix, and the second film layer is a calcium phosphate coating and is arranged on the second surface of the metal matrix, the second film layer is a polymeric film layer and is arranged on the second surface of the metal matrix, and the polymeric film layer has the functions of selectively promoting adhesion, migration and differentiation of bone cells and bone regeneration. The double-sided heterogeneous degradable metal film can simultaneously meet the two functional requirements of resisting bacteria and promoting bone cell regeneration, and the functional requirements of anisotropy of the two sides of the barrier film are met.

The invention provides an antibacterial latex self-adhering elastic bandage and a preparation method thereof and relates to the technical field of elastic bandage processing. The antibacterial latex self-adhering elastic bandage comprises an adhesive and elastic fabric, wherein the adhesive is prepared by, by weight, 60-80 parts of natural latex, 4-6 parts of hydroxypropyl methyl cellulose, 6-10 parts of chlorinated paraffin, 1-3 parts of nano silver ions, 3-5 parts of polyoxyethylene octylphenol ether, 1-2 parts of ammonium dihydrogen phosphate, 0.8-1.2 parts of ethyl vanillin, 3-4 parts of dimethyl distearylammonium chloride and 0.2-0.4 part of anti-aging agent. The antibacterial latex self-adhering elastic bandage and the preparation method thereof have the advantages that defects in the prior art are overcome, the original advantages of the self-adhering elastic bandage are kept while various antibacterial components are added into the latex adhesive, bacterium breeding can be prevented effectively, wound infection can be prevented, physiological recovery can be promoted, and the antibacterial latex self-adhering elastic bandage is good in application value.

The invention provides a fibula transverse bone carrying external fixing frame device which comprises a fibula carrying device, a tibia fixing device and a connecting device, the fibula carrying device drives a fibula carrying frame to move synchronously through movement of an adjusting device, position deviation of bone blocks of a fibula osteotomy section is achieved, the tibia fixing device comprises a tibia fixing frame and a deviation rectifying adjusting device, the deviation rectifying adjusting device can adjust the fixing positions of the tibia fixing frame and the connecting device, and the fibula carrying device and the tibia fixing device are connected through the connecting device. The invention further provides a using method of the fibula transverse bone carrying external fixing frame device. Only the fixing fulcrum is arranged on the tibia; the number of wounds on the tibia side is reduced; the bearing capacity of the tibia after operation is not affected, meanwhile; bone carrying operation is conducted on the fibula side; transverse fibula carrying is achieved; the fibula is located in the deep layer of skin fascia; muscle groups in front of and behind the fibula are wrapped; and a richer capillary basis is provided for bone carrying at the fibula end; and the blood supply repairing effect is better.

The invention provides anti-scaring andrias skin collagen burn cream and a preparation method thereof and relates to burn cream. The preparation method comprises the steps of first taking raw materials according to the following raw material ratio: 5-15 g of andrias skin collagen, 5-15 ml of andrias oil, 35-45 ml of sesame oil, 10-20 g of beeswax, 30-40 g of sanhuang and 3-5 g of borneol, wherein the sanhuang is composed of coptis chinensis, cortex phellodendri and rhubarb according to a weight ratio of 1:1:1; smashing the sanhuang and borneol into powder to be reserved; first melting the beeswax and then adding the sesame oil and sanhuang powder, performing mixed boiling for 15-20 min at 100-105 DEG C, performing filtering, and taking liquid; when the liquid temperature is lowered to room temperature, adding the andrias oil and borneol powder, and placing the liquid in the environment at 4-10 DEG C; when the liquid temperature is reduced to 4-10 DEG C, adding the andrias skin collagen, performing stirring evenly, finally adding vaseline to obtain an ointment having a certain stickness, and obtaining the product. The burn cream can promote rapid healing of burn and scald wound surfaces, the recovery effect of the burn and scald wound surface skins is improved, and no scar remains.

The invention relates to a Chinese herbal preparation for adjusting gastrointestinal motility and a preparation method thereof. The raw material components of effective constituents of the prepared Chinese herbal preparation comprise pericarpium arecae, gyrophora hypocrocina jatta, cichory, rice-grain sprout, folium sennae, fiveleaf akebia fruit, fructus aurantii, fortune eupatorium herb, phoenix tree roots, semen pharbitidis, cudrania cochinchinensis kudo et masam, finger citron, asparagus beans, mongollian thyme herb, hedychium spicatum and changium smyrnioides. The Chinese herbal preparation for adjusting the gastrointestinal motility has the effects of soothing liver-gallbladder, removing dampness by means of aromatics, regulating qi and harmonizing the stomach, can increase the promoting movement of the intestines and the stomach, further enhances contraction of gastrointestinal tracts, promotes and stimulates emptying of the intestines and the stomach, reduces bacteria detention time in the gastrointestinal tracts, reduces the possibilities of infection of anabrosis wound surfaces, restrains the secretion of gastric acid by relieving assault to G cells of a sinuses ventriculi part by food, ameliorates functional dyspepsia and other symptoms, enables a patient with gastrointestinal dysfunction to be treated, and is safe and free of toxic and side effects, and the cure rate reaches 95%.

The invention relates to the technical field of surgical nursing instruments, in particular to a portable debridement device for surgical nursing, and overcomes the defects of blood splashing, wound infection and inconvenience in instrument cleaning in the debridement process of existing portable debridement equipment. The portable debridement device comprises a debridement box body and a toughened glass cover hinged to the top of the debridement box body, wherein a dirt collecting mechanism is arranged on one side of the debridement box body, a disinfection water tank is arranged on the otherside of the debridement box body, a power source and a disinfection cleaning mechanism are installed at the top of the disinfection water tank respectively, and an electric heating wire is further installed in the disinfection water tank. The portable debridement device solves the condition of splashing in the cleaning and disinfection process of the existing portable debridement equipment, meanwhile, the debridement process is carried out in a closed environment, the wound infection condition is greatly reduced, the dirt collecting mechanism can be conveniently disassembled and washed afteruse, and the practicability is high.

The invention provides a skin repairing cream and a preparing process thereof. The skin repairing cream is prepared from, by weight, 5-15 parts of salviae miltiorrhizae, 5-15 parts of nacre mother ofpearl, 5-15 parts of poria cocos, 5-15 parts of radix angelicae, 5-15 parts of rhizoma bletillae, 5-15 parts of plaster of Paris, 5-15 parts of urea, 0.1-0.5 part of salicylic acid, 3-10 parts of azone, 180-220 parts of albolene, 40-60 parts of glycerinum and 280-320 parts of a cream base. The skin repairing cream is reasonable in formula, and the medicines coordinate with and assist one another;in terms of the outside, a protection film can be formed on a wound, the infection of the wound is reduced, and the wound tissue is softened; in terms of the inside, the immunity of the organism can be enhanced, the local microcirculation is improved, the fibroblast number and blood capillary number are increased, the formation of granulation tissue is promoted, and the healing of the wound is accelerated.

The invention discloses local anesthesia gel preparation and a preparation method thereof. The local anesthesia gel preparation is prepared from, by weight, 8-20 parts of Celastrus orbiculatus, 8-20 parts of benzoin, 2-2.8 parts of bee venom, 0.1-2.0 parts of etamsylate, 0.3-1.0 part of benzoate, 3-5 parts of menthol, 2-3.6 parts of diclofenac, 1.0-1.5 parts of sodium fusidate, 1.5-3.5 parts of local anesthetic, 2.3-4.0 parts of viscous polymer, 0.05-0.3 part of preservative, 0.05-0.1 part of antioxidant, 0.2-0.6 part of surfactant and 10-16 parts of gel matrix. The local anesthesia gel preparation can be used for local administration of trauma or during small external surgery, can play a good role in controlling pain, resisting bacteria, diminishing inflammation and preventing wound infection, can reduce local damage, has high affinity with skin and is convenient to use and quick in action; anesthetic action generated by the local anesthesia gel preparation can quickly seep into collenchyme and can last for a long time, and the local anesthesia gel preparation is safe and nontoxic, simple in preparation process and low in cost.

The invention belongs to the field of biological material technology, and discloses a preparation method of sericin/agarose gel loaded with lysozyme and application thereof. The method comprises the steps that silkworm cocoon is cut into pieces, high temperature and high pressure at 121 DEG C is carried out for 30 minutes, the sericin is extracted into water, then sericin solution is lyophilized to make sericin powder for preservation, and the sericin solution is obtained by dissolving the sericin powder in hot water; sericin of 2% and agarose solution of 2% (w/V) are prepared for preparationof a hydrogel, the two solutions are mixed lightly and 24 hole cell culture plate is added for gelation; and the stable hydrogel is subjected to pre-freezing for 12h at -80 DEG C, and then thestable hydrogel is subjected to freeze drying for 24h to form gel. Sericin/agarose plural gel has porosity and interconnected structure with good swelling property. Sericin/agarose/lysozyme gel is prepared bya solution soaking method. The gel has sustained lysozyme release ability, and had good antibacterial activity and excellent cytocompatibility for escherichia coli and staphylococcus aureus.

The invention relates to the technical field of intravascular stents, in particular to a recyclable covered stent. The stent comprises a stent body, a covered membrane and a traction mechanism. The stent body is made of latticed shape memory alloy and can expand or contract in the radial direction of the stent body. The covered membrane is attached to the inner surface of the stent body, and whenthe stent body is opened, a blood channel is formed in the covered membrane. The traction mechanism comprises a traction tube and a traction wire; the traction tube is located on one side of the nearend of the stent body, and the stent body can slide into the traction tube when the stent body is in a contracted state; and the traction wire is installed in the traction tube in a sliding mode, andone end of the traction wire extends out of the traction tube and is fixedly connected with the near end of the stent body. The covered stent aims to solve the problems that after an existing coveredstent is implanted into a blood vessel of a patient, the covered stent needs to be taken out through an operation again, so that the patient is prone to secondary injury, wounds are increased, and theinfection probability is increased.

The invention discloses a gastrointestinal motility regulating Chinese herbal medicine. The gastrointestinal motility regulating Chinese herbal medicine is characterized by including the raw materialsof, by weight part, 16-20 parts of endothelium corneum gigeriae galli, 12-15 parts of clove, 10-14 parts of red umbilicaria, 8-15 parts of radix changii, 9-12 parts of rhizoma atractylodis, 14-19 parts of semen coicis, 7-9 parts of fructus aurantii, 10-13 parts of fructus amomi, 11-14 parts of costustoot, 8-13 parts of phoenix tree root, 6-10 parts of folium sennae, 12-17 parts of pericarpium citri recticulatae viride, 9-12 parts of eupatorium, 7-15 parts of fructus citri and 6-11 parts of semen pharbitidis. The gastrointestinal motility regulating Chinese herbal medicine is rigorous in composition and scientific in compatibility, achieves the effects of soothing liver and gall gladder, removing dampness by means of aromatics, regulating qi flow and harmonizing stomach, and can enhance gastrointestinal propulsion, further strengthen gastrointestinal contraction, promote and stimulate gastrointestinal emptying, reduce retention of bacteria inside gastrointestinal tracts as well as possibility of ulcerative wound infection, improve the symptoms such as functional dyspepsia and further effectively cure patients suffering from gastrointestinal motility disorder.