41results about How to "Protection length" patented technology

This invention provides novel nanofiber enhanced surface area substrates and structures comprising such substrates for use in various medical devices, as well as methods and uses for such substrates and medical devices.

This invention provides novel nanofiber enhanced surface area substrates and structures comprising such substrates for use in various medical devices, as well as methods and uses for such substrates and medical devices. In one particular embodiment, methods for enhancing cellular functions on a surface of a medical device implant are disclosed which generally comprise providing a medical device implant comprising a plurality of nanofibers (e.g., nanowires) thereon and exposing the medical device implant to cells such as osteoblasts.

This invention provides novel nanofiber enhanced surface area substrates and structures comprising such substrates for use in various medical devices, as well as methods and uses for such substrates and medical devices. In one particular embodiment, a method of administering a composition to a patient is disclosed which comprises providing a composition-eluting device, said composition-eluting device comprising at least a first surface and a plurality of nanostructures attached to the first surface, and introducing the composition-eluting device into the body of the patient.

Protective garments that can keep the front of the wearer's clothes clean and dry are provided. The bibs include a substantially overlapping slit formed in the center of a lower section of a front panel. The bibs with the slit are easy to put on and provide substantial coverage of -frontal position of a wearer. The bibs can be used during eating, drinking, sitting, playing, crawling, etc. In some examples, the open back can enable the bib to be easily slipped on an already seated person without the need to stand. One or more bibs provide the ability to fasten the apron around each leg separately resulting in mobility and coverage, as well as the ability to use in seating where there is a vertical obstruction between the legs.

An animal umbrella is disclosed. The animal umbrella comprises a saddle, straps connected to the saddle for detachably attaching the saddle to the animal, a collapsible canopy, a shaft with first and second ends, connected at the first end to the canopy, and connected at the second end to the saddle in a pivotable manner, and a position lock to releasably secure the shaft in a vertical position. The shaft can be pivoted between a substantially vertical position and a substantially horizontal position, so that in a vertical position the canopy is open and held vertically, and in a horizontal position the canopy is closed and lies horizontally along the animal's back.

A composition useful as corrosion inhibitor formulation for application in heavy brine systems, comprising at least one imidazoline; at least one sulfur synergist; at least one phosphate ester. In a preferred embodiment, the composition comprises additionally formulation bonding surfactant; and/or at least one solvent system.

The invention provides a breaking and separation integrated comprehensive recovery method of chrysotile tailings, which is characterized by comprising the steps of putting the dried chrysotile tailings in breaking and separation integrated equipment consisting of a pulverizer and a cyclone powder collector, achieving pulverizing and separation by adding 4-8 sand discharge ports on a pulverizing disc of the pulverizer, separating a chrysotile mixed material containing dust and tailing waste, conveying the chrysotile mixed material to a plane revolving screen or a plane shaking screen for classification and dedusting, removing fine sand and the dust, obtaining chrysotile products of different levels, roughing the tailing waste, the fine sand and the dust with a weak magnetic separator, obtaining magnetic middlings and tailings, and conveying the magnetic middlings into a ball mill for milling, and a wet weak magnetic separator for concentrating to obtain magnetite concentrates and tailings. According to the method, two production processes, grinding & asbestos fiber opening, and separation, of the chrysotile tailings are organically combined into a whole, effects of energy conservation and consumption reduction are achieved, and the chrysotile products of different levels and the magnetite concentrates are obtained simultaneously.

A DC distance protection scheme for protecting a DC power transmission medium within the DC electrical power network. The DC distance protection scheme includes a protection device that is coupled in use to a DC power transmission medium. The protection device is operable to protect the DC power transmission medium from an electrical fault. The DC distance protection scheme also includes a measurement apparatus to selectively measure the current and voltage of the DC power transmission medium. In addition the DC distance protection scheme also includes a controller that is programmed to calculate an operating voltage of the DC power transmission medium using the measured current and voltage; perform a transient comparison between the calculated operating voltage and the measured voltage; and operate the protection device to protect the DC power transmission medium if the transient comparison meets a predefined criterion.

The invention provides a breaking and separation integrated comprehensive recovery system of chrysotile tailings, which is characterized in that a fan is connected with a pulverizing host and a duster respectively by a three-way valve; 4-8 sand discharge ports are annularly formed at the bottom of the pulverizing host; an outlet of the pulverizing host is connected with a cyclone collector by a pipeline; an inlet of a screw conveyer is connected with an outlet of the cyclone collector; an outlet of the screw conveyer is conveyed to a plane revolving screen or a plane shaking screen to achieve recovery of chrysotile; integrated functions of breaking and separation are achieved; a weak magnetic separator, a ball mill and a wet weak magnetic separator are connected sequentially to form a magnetic separating system of magnetite; and the magnetic separating system is used for magnetic separating of the magnetite from dust. According to the recovery system, the sand discharge ports in the pulverizing host separate tailing waste, two production processes of grinding & asbestos fiber opening and separation are organically combined into a whole, the production cost is lowered, the energy conservation and consumption reduction are achieved, and the magnetic separating system weakly separates the magnetite to produce iron ore concentrates.

The invention provides a production process of low weight middle partition paper. The production process comprises the following steps: burdening, disintegrating, screening and purifying, concentrating, pulping, pulp preparing, flowing, forming, compound squeezing, drying, surface sizing, and coiling. In the burdening step, based on fiber quality and impurity content, OCC waste paper of differentgrades is matched according to the determined raw material ratio of a product; wherein the OCC waste paper comprises domestic waste paper and imported waste paper accounting for 10-30% of the total weight, and the imported waste paper comprises American waste paper, European waste paper and Hong Kong waste paper. Main physical indexes of the low weight middle partition paper produced by the production process are as follows: quantifying (60-65) +/-3g/m<2>; the tightness is greater than or equal to 0.50 g/cm<3>; the transverse ring crush index is greater than or equal to 3.0 Nm/g; the longitudinal breaking length is larger than or equal to 3.5 km, the water content is 7.5%-10.0%, and the water absorption is smaller than or equal to 50 g/m<2>. On the premise that the strength index of the product meets the use purpose, the quantification of the middle partition paper product is reduced as much as possible, under the condition of the same weight, the use area of the product is remarkablyincreased, and therefore development of low-carbon economy can be promoted.

A stitching instrument for male penis prepuce circumcision comprises an upper stitching instrument body and a lower stitching instrument body. The upper stitching instrument body is composed of a stitching cutting part and a handle, the stitching cutting part is designed to be in a regular round tube shape, and a frenulum protecting part protruding outwards to the tube wall is arranged on one section of the round tube wall, and namely is the frenulum protecting part of the upper stitching instrument body. With the glans penis being the center, the frenulum part of the frenulum protecting part protrudes outwards and is of a V-shaped or U-shaped protruding structure, the frenulum incision face and the prepuce incision face are on the same plane, and the frenulum protecting part is matched with the lower stitching instrument body. Frenulum protecting parts are arranged on prepuce incision stitching positions respectively in a matched mode, in this way, the stitching instrument can incise the redundant prepuce in parallel with the coronary sulcus, the lower stitching instrument body keeps the prepuce frenulum at the proper position through a positioning needle, and the upper stitching instrument body is connected with a lower stapler to incise the redundant prepuce under the action of the handle, so that clinical requirements are met; the stitching instrument is easy to operate, convenient to use and capable of really achieving accurate operation, relieving pains of a patient and reducing doctor-patient disputes.

The invention discloses special paper for paper diapers and a production process thereof, the special paper is prepared from native coniferous wood pulp. The fix quantify of the special paper for thepaper diapers is 50g/m<2>, the beating degree is 28 to 38-degree SR; the transverse tensile index of the finished paper is equal to or greater than 50N-m/g, the longitudinal tensile index of the finished paper is equal to or greater than 100N.m/g, and the longitudinal wet tensile strength of the finished paper is equal to or greater than 150N/m, the tear index of the finished paper is equal to orgreater than 8mN.m<2>/g, the burst index of the finished paper is equal to or greater than 5kPa.m<2>/g and folding resistance of the finished paper is equal to or greater than 1000 times. The specialpaper for the paper diaper is close to non-woven fabric used by current paper diapers manufacturers in performance indexes, and can replace a surface coating layer of the paper diapers. In addition, the special paper for the paper diapers can absorb and remove odor and harmful gases in the paper diapers so as to make the paper diapers safer, sanitary and comfortable.

A corner module for use in a motor vehicle having a bearing pack through which a wheel hub for the motor vehicle is connected with a support member. The bearing pack includes an inner race and an outer race for retaining first and second roller elements such that a wheel attached to the hub may rotate with respect to the support member. The bearing pack is characterized by an exciter ring that is located between the first and second roller elements and the outer race is characterized by an opening that is in radial alignment with the exciter ring. A sensor that is fixed to the support member has a functional length and a sensing area that extends through the radial opening in the outer race and into the bearing pack to a position adjacent the exciter ring such that the functional length and sensing area is protected from exposure to contamination that may be present in the environment. The sensing area is activated by movement of the exciter ring to provide an electronic control unit with a signal relating to the rotation of the wheel and used in the control of an anti-skid brake system.

The invention discloses an improved APMP pulping method. As a chemical reaction step is carried out before a defibering step and is a contact reaction between a wood chip and liquid medicine in a wood chip reaction bin, the wood chip first has chemical reaction with the liquid medicine in the reaction bin before defibering, thus after the wood chip has chemical reaction with the liquid medicine, the binding force among fibers is remarkably weakened and the fiber length in a defibering process can be effectively protected, which is favorable for raising the strength of paper pulp. Meanwhile, energy needed in the defibering process is also remarkably reduced, thereby saving a great amount of energy.

The invention discloses a refiner, which comprises a first millstone, a second millstone and a middle millstone which rotate relative to each other, wherein the middle millstone is installed between the first millstone and the second millstone, cone rolls are installed on the racks of the millstones along the circumferential direction of the middle millstone, the small ends of the cone rolls are inwards; when the first millstone and the second millstone rotate relative to each other under the traction of a crankshaft, cone rolls on the middle millstone are driven to rotate, thus the cone rolls perform rolling operation on the contact work surface of the millstones; on one hand, power consumption can be significantly reduced, material consumption can be reduced, service life can be prolonged, and work efficiency is improved; on the other hand, due to the numerous cone rolls, once the cone rolls roll at a high speed to operate, a material can be pressed and crushed again and again successively by the cone rolls rotating at the high speed as long as entering the refiner, therefore, the mainly refining method of the invention is milling, the material is easy to be evenly and neatly milled, thus the fiber strength is protected and the performance of the refiner is significantly enhanced as compared with the existing grinder.

The invention discloses a novel method for APMP pulping. The first chemical reaction step is conducted before steps of wood chip washing and fluffing, and the chemical reaction step means the contact reaction in a wood chip reaction bin between wood chips and a medical solution in the reaction bin; the chemical reaction step is conducted prior to the wood chip washing step, so the residual reaction in the chemical reaction step can be directly used as a solution for wood chip washing, thereby greatly saving mass resources; the chemical reaction step which is conducted prior to the fluffing step makes the wood chips react chemically with the medical solution in the reaction bin before fluffing, thereby the binding force among fibers is decreased greatly after the reaction between the wood chips and the medical solution, and lengths of fibers are protected effectively in the fluffing process. The method is favorable for improving the intensity of paper pulp as well as obviously reducing the energy required in the fluffing process, leading to greatly saved energy.