48 results about "Multiple wounds" patented technology

The invention discloses a porous complex gel-nanofiber oxygen permeation dressing and a preparation method thereof. The method comprises the following steps: obtaining a collagen nanofiber membrane by adopting a collagen solution by virtue of an electrostatic spinning method; performing chemical crosslinking on two natural and non-toxic macromolecule polysaccharides such as chitosan and alginic acid, and preparing complex gel; and preparing the porous sponge-nanofiber double-layer composite material in a freeze-drying mode, wherein the upper gel layer of the dressing is in a sponge state during drying and is in a gel state after moisture absorption. The biological wound dressing is prepared under the condition that any toxic chemical crosslinking agent is not added, the process is simple, and the safety is high. The prepared biological wound dressing disclosed by the invention has the characteristics of excellent oxygen permeation performance, water-absorbing quality, water permeability, moisture penetrability and high biocompatibility, a physiological wet environment of the wound surface can be maintained, wound healing and effective haemostasis are promoted, wound infection can be avoided, the recovery is accelerated, the wound surface can be effectively recovered, and the dressing is applied to multiple wound surfaces such as trauma, burns and ulceration.

Embodiments described herein relate to apparatuses, systems, and methods for the treatment of wounds, for example using multiple wound dressings in combination with negative pressure wound therapy. A negative pressure would therapy apparatus can include a negative pressure source and a controller. The negative pressure source can include inlets configured to couple via fluid flow paths to wound dressings. The fluid flow paths can include pressure sensors configured to measure pressure in the fluid flow paths. The pressure sensors can include a first pressure sensor configured to measure pressure in the first fluid flow path and a second pressure sensor configured to measure pressure in the second fluid flow path. The controller can be configured to operate the negative pressure source and provide, based on measured pressure, indication of at least one operating condition associated with at least one of the fluid flow paths.

Multiple wound film capacitors include a hollow core formed by a first non-conducting tubular section, and a first capacitor winding wrapped around the first non-conducting tubular section. Also included are a second non-conducting tubular section wrapped around the first capacitor winding, and a second capacitor winding wrapped around the second non-conducting tubular section. The multiple wound film capacitors may also include a third non-conducting tubular section wrapped around the second capacitor winding, and a third capacitor winding wrapped around the third non-conducting tubular section. In addition, ends of the first and second non-conducting tubular sections extend beyond ends of the first and second capacitor windings.

A vibration motor is disclosed. A vibration motor that includes a base and a case which form an internal space, a shaft rotatably inserted in the base and the case, a rotor inserted onto the shaft and configured to rotate, which includes multiple wound coils and a commutator connected to the wound coils, a weight arranged along the periphery of the rotor, a brush which is in contact with the commutator and which is positioned on the base, and an upper magnet and a lower magnet which face the rotor and which are secured respectively to the case and the base, can not only increase vibration but can also reduce electrical consumption.

The invention belongs to the related field of municipal facilities and discloses a prefabricated type pipe rack. The prefabricated type pipe rack is formed by connecting a plurality of pipe joints, wherein each pipe joint comprises a pipe body which sequentially comprises a structural layer and an outer protective layer from inside to outside in the radial direction; each structural layer is formed by bonding and curing one or more multiple wound layers of wood, hemp stalks, rattans, straws, reed stalks and silvergrass stalks; and the outer protective layer is prepared from a fireproof corrosion-resistant material. The prefabricated pipe joints are connected on the engineering field to form the pipe rack, so that engineering quantity is greatly reduced, construction is convenient, engineering period is shortened and manufacturing cost is low; the pipe body is simple in structure, is convenient to process, the structural layer is taken as the main body structure of the pipe body, and is formed by winding plants materials such as wood with certain strength, hemp stalks, rattans, straws, reed stalks and silvergrass stalks, and raw materials are wide in source, are green and environmentally friendly and are reproducible.

The invention provides compound medicine for treating difficult-to-heal wounds, multiple wounds and suppurative diseases. The medicine mainly comprises ascorbic acid, riboflavin, resina draconis, jaggery, erythrocin, pseudo-ginseng and borneol, and is prepared into medicine powder, an unguent and liquid medicine by adopting the method, wherein the medicine powder is mainly used for treating the multiple wounds such as a knife wound, a scald, a lacerated wound, an explosive wound, nipple rupture, crush wounds on hands and feet, and a wound that wood, bamboo and iron nails pierce into muscles and bones, and the suppurative diseases such as an abscess, an ulcer, phlegmon and multiple furuncles, carbuncles and malignant boils; the unguent is mainly used for treating various traumatic injuries, pruritus cutanea and mosquito bite injuries, and can relieve pains caused by symptoms such as a lumbar pain, a cervical vertebra pain, scapulohumeral periarthritis and wrist and ankle pains effectively; and the liquid medicine is mainly used for disinfecting the multiple wounds such as the abscess, the ulcer and the knife wound and removing pollutants, and can accelerate wound healing effectively. The medicine can treat the disease symptoms uniformly, and is instant in effectiveness, short in treatment course and low in expense; an effective ratio is 100%; a curative ratio is 98%; and a healing effect is remarkable.

The invention discloses a wound-stacked battery which comprises a cell. The cell is formed by stacking wound structural units, each wound structural unit comprises a horizontally-arranged diaphragm, an anode piece and a cathode piece, each anode piece and the corresponding cathode piece are spaced by the corresponding diaphragm and integrally wound to form the corresponding wound structural unit, and number of winding turns is 0.5*N, wherein N is a positive integer; each formed wound structural unit is any interceptible part of a unit with cathode/diaphragm/anode/diaphragm/cathode/diaphragm/anode/diaphragm/cathode/diaphragm/anode/ diaphragm/cathode alternately repeated, multiple wound structural units are stacked to form a battery pole group, each anode piece and the corresponding cathode piece are arranged on two sides separated by the corresponding diaphragm in the battery pole group to form a battery pair, the outermost layer of the battery pole group is one diaphragm, and the second outermost layer is one cathode piece. The wound-stacked battery has the advantages of being free of circular-arc area, saving of raw materials, low in loss, uniform in circulation and expansion, high in preparation efficiency, uniform in electrolyte distribution and high in structural stability.

The invention provides a suture-free device for a surgical wound. The suture-free device comprises a first moving plate and a second moving plate, wherein fastening devices by which the adjacent distance between the two moving plates is gradually reduced are respectively arranged on one surface of the first moving plate and one surface of the second moving plate; a first adhesive tape and a second adhesive tape are respectively arranged on the other surface of the first moving plate and the other surface of the second moving plate; each fastening device comprises a nut and a screw; the first nut and the second nut are respectively arranged on the first moving plate and the second moving plate; the screws are matched with the first nut and the second nut. According to the suture-free device disclosed by the invention, an extruding force for the wound can be formed, so the wound is closed, and the effect of suturing the wound is realized; the wound can be protected from being influenced by the stress and a shear force, so a protection range without external disturbance is formed. The suture-free device has the advantages of simple structure, adaptability to multiple wounds, convenience for clinical operation, capability of relieving of pains of patients, fewer scars and capability of quick healing.

The invention provides a winder for a cloth weaving machine. The winder comprises a winder body and is divided into a wound silk placement portion and a cloth winding portion, the wound silk placement portion comprises a support, multiple wound silk supporting rods are arranged on the support, the cloth winding portion comprises an underframe, a driving mechanism, a transmission mechanism and a winding mechanism, and a first guide roller and a second guide roller are arranged on the underframe; each wound silk supporting rod comprises a fixed rod and a wound silk barrel, one end of each fixed rod is provided with a thread, a fixed block is arranged at the end of each thread, each wound silk barrel is arranged on the corresponding fixed rod, each fixed rod is fixed on the support, and a limiting device is arranged on the underframe and comprises an L-shaped retaining plate fixed on the underframe. The winder is formed by further improving existing equipment, thereby being high in production efficiency, more orderly in winding, lowered in fault rate, suitable for mass production of woven bags and high in practicability.

The embodiment of the invention provides a method for cooperation of multiple negative-pressure treatment devices. The method for cooperation of the multiple negative-pressure treatment devices comprises the steps that communication between a control center and the multiple negative-pressure treatment devices is established, and treatment data of the multiple negative-pressure treatment devices are collected through the control center. The method for cooperation of the multiple negative-pressure treatment devices has the advantages that the multiple negative-pressure treatment devices can be detachably connected into a negative-pressure treatment system used for treating multiple wounds according to treatment requirements, the system can be integral on the aspects of the structure and the treatment control, and usage and management are facilitated.

The invention provides a double-sleeve tracheal intubation device for a rat. The double-sleeve tracheal intubation device comprises an outer-layer sleeve, an inner-layer sleeve and a guide steel wire. The outer-layer sleeve is used as an oral cavity opening pipe, is nested on the outer layer of the inner-layer sleeve, and comprises an opening end extending into an oral cavity and a holding end arranged on the outer side; the front end of the opening end is an inclined face, the included angle between the tail end of the opening end and the holding end is 100-120 degrees, and the thickness of the connecting position is 2-2.5 mm. The inner sleeve serves as a breathing tube, the front end of the inner sleeve has a certain angle and a passivated corner, and the tail end of the inner sleeve is provided with a breathing machine connecting mechanism; the guide steel wire is longer than the inner sleeve. The tracheal intubation assembly can effectively achieve rapid intubation, does not need a tracheotomy operation, and avoids complex surgical operation and extra damage to a rat. The use result shows that the method is small in damage to rats, stable, reliable and high in success rate, additional damage caused by exposure of multiple wounds in thoracotomy is avoided, secondary or multiple thoracotomy is facilitated, and the survival rate of animals is increased.

The invention discloses a cable searching and identification method and belongs to the field of assembling of electrical equipment. By use of the method, in a designated position of a cable trench where high voltage cables are laid, a certain high voltage cable or low voltage cable or multiple high voltage cables or low voltage cables are searched and identified from multiple wound high voltage cables or low voltage cables, and by use of two cable checking devices, one current generator and one clamp-on ammeter, by carrying out cable disassembling, cable checking, measurement through electrification, shielding wire checking through scaling and secondary electrification single phase measurement and confirmation on the high voltage cables or the low voltage cables which are to be searched and recognized, searching and recognition of the high voltage cables or the low voltage cables are finished. According to the invention, the method is safe and reliable; the efficiency is high; searching processes can be finished only by use of a normal tool; and the method is low in cost and highly practical.

The invention relates to a preparation method of a filling rope for an environment-friendly anti-flaming electric wire. The method comprises the following steps that raw materials are prepared by weight percentage; rock wool, calcium carbonate, a penetrating agent and a flame retardant are put into a mixing stirrer to be stirred to obtain a stirring mixture; the stirring mixture is stored into a storage tank for 12 h and then fed into the mixing stirrer to be stirred for 4 h; the stirring mixture coats a canvas conveyor belt of a coating machine to form a cloth-shaped belt; the cloth-shaped belt is cut into a plurality of cloth-shaped belt bodies; the cloth-shaped belt bodies are retracted into rope-shaped belts to be wound; the multiple wound rope-shaped belts are dried for use; 3-5 rope-shaped belts are selected from the wound and dried rope-shaped belts as needed and stirred with glass fiber filaments through a rope stirring device to form a filling rope for the environment-friendlyanti-flaming electric wire. According to the method, the electric wire is filled with the machined filling rope, the flame retardance of the electric wire is improved, and environment pollution and human body damage caused by dust is avoided in production.

The invention generally relates to a liquid topical pharmaceutical composition used in treating various skin wounds. The composition is characterized by strong moisture absorption and retention capabilities and being able to quickly seal the wound. The composition can resist oxidation, effectively inhibit bacteria and sterilization, protect germinal cells from further damage, eliminate wound swelling and promote wound healing. The pharmaceutical composition can be widely used in the treatment of burn, skin abrasion, laceration, infectious skin ulcer and wound exposure, save dressing and be used in a convenient and highly effective way.

The invention relates to disinfectants, in particular to a film-forming type iodine disinfectant and a preparation method thereof. The film-forming type iodine disinfectant comprises the following components in percentage by weight: 0.045 to 0.055 percent of iodine, 0.045 to 0.055 percent of potassium iodide, 0.45 to 0.50 percent of chlorhexidine acetate, 12.0 to 15.0 percent of polyvinyl alcohol, 0.5 to 2.0 percent of benzyl alcohol, and the balance of purified water. The method for preparing the film-forming type iodine disinfectant comprises the following steps of: firstly, adding a properamount of the purified water into the iodine and potassium iodide, and stirring and dissolving to obtain solution of iodine and potassium iodide according to the content and components; secondly, dissolving the chlorhexidine acetate and benzyl alcohol by using the purified water with the temperature of 50 DEG C in another container, adding the polyvinyl alcohol, and stirring and mixing uniformly;and finally, adding the solution of iodine and potassium iodide, and stirring and mixing uniformly. The film-forming type iodine disinfectant can be applied to multiple wound disinfection treatment for human bodies.

The embodiment of the invention provides a negative-pressure treatment system which at least comprises a first negative-pressure treatment device and a second negative-pressure treatment device. The first negative-pressure treatment device and the second negative-pressure treatment device are detachably connected. The first negative-pressure treatment device and the second negative-pressure treatment device can be detachably connected into the negative-pressure treatment system capable of treating multiple wounds according to treatment requirements. The system can form a whole in terms of the structure and treatment control, and use and management are facilitated. Negative-pressure treatment devices with different numbers of treatment interfaces do not need to be manufactured, and waste of medical resources is avoided. The system can be detached for use when used for treating a single wound, and is flexible and convenient to use.

The invention discloses a winding compressing mechanism for stirrups in reinforcement cages in modern prefabricated construction engineering; the winding compressing mechanism comprises a base, wherein two winding supports are disposed on the base face to face, a winding barrel component is mounted between the two winding supports; the winding barrel component comprises a barrel, a barrel spindle is passed through the barrel, two ends of the barrel spindle are connected respectively to the two winding supports, side racks are arranged on two sides of the barrel on the base respectively, and each side rack is provided with at least one compressor set. The winding compressing mechanism has the advantages that a rebar is wound on the barrel to obtain a multi-coil spiral rebar, the formed spiral rebar is compressed onto the barrel through compressors, thereby guaranteeing that the spiral rebar is constantly stable in subsequent cutting, welding and other machining steps; an inner cutter is arranged on the barrel and may be used with an external cutting tool to cut the spiral rebar directly on the barrel, multiple wound rings are obtained, and efficiency is improved greatly.

The invention provides antibacterial hemostatic healing-promoting gel, a preparation method and an application thereof. The gel is prepared from the following raw materials: 4-18 parts of carboxylic acid or sodium carboxylate with active double bonds, 2-10 parts of amide with active double bonds, 1-3 parts of aldehyde with active double bonds, 30-100 parts of fish collagen peptide and 2-3 parts ofheparin sodium; and 1-5 parts of modified guanidine salt with active double bonds, 3-10 parts of chitosan, 1-5 parts of modified diamine with active double bonds, 0.4-0.8 part of a double bond cross-linking agent, 4-7 parts of L-arginine, 50-200 parts of aloe raw gel, 5-10 parts of sodium beta-glycerophosphate and 200-600 parts of deionized water. The antibacterial hemostatic healing-promoting gel has multiple wound healing effects, promotes skin capillary generation, facilitates tissue growth, protects wound nerves, achieves a hemostatic effect by quickly plugging damaged blood vessels, hasexcellent antibacterial property, and forms a protective isolation layer at a wound part to facilitate antibacterial hemostasis and healing promotion of a wound.