9957 results about "Hollow core" patented technology

A method and devices for accomplishing the successful anastomosis of two hollow organ structures are disclosed. The method includes bringing the structures together, applying at least one fastener to hold the structures together and form a connection site, and applying, as alternatives or in conjunction, an adhesive, a wrap and/or a buttress about the connection site. Various examples of fasteners, fastener appliers, adhesives, adhesive initiators and buttress rings also are disclosed.

The modular formwork member includes top plate and side walls to constitute cavity formwork. The present invention features that there is at least one connection tube between the adjacent walls of two formworks. When the modular formwork members are used in hollow stringboard, there will be vertical rib formed around the connection tube via in-situ cast and shearing bonding formed in the empty part between the formwork members, so that the hollow stringboard can form reinforced concrete-shearing bonding type bi-directional hollow large board in only once deposition. The present invention has simple formwork, simple construction, low cost and short construction period, and the member has high strength, simple structure, low cost and easy construction.

In a production process for a water-absorbent resin, comprising the steps of: blending a liquid material and a water-absorbent resin; and heating the resultant mixture in order to produce a modified water-absorbent resin, the present invention is to provide: a method for uniformly and efficiently treating a water-absorbent resin favorably in view of industry, and as a result, a good-balanced water-absorbent resin having various excellent properties, such absorption capacity without a load, absorption capacity under a load, and single-layer absorption capacity under a load in contact with an aqueous liquid. The production process comprises the step of spray-blending a water-absorbent resin (A) and a liquid material (B) with a blending apparatus equipped with a spray nozzle (C), wherein the liquid material (B) is sprayed from the spray nozzle (C) and its spray pattern is a circular and hollow cone shape or a double-convex-lens and elliptic cone shape. In addition, the production process comprises the step of heat-treating a water-absorbent resin under an atmosphere having a dew point of not higher than 60° C. and a temperature of not lower than 90° C., wherein the water-absorbent resin is obtained after a drying step following a pulverization step.

The present invention relates to polymeric nanoshells. In certain embodiments, the polymeric nanoshells comprise one or more polymeric shells around a hollow core. In other embodiments, the present invention provides nanoshells useful for the delivery of agents such as, for example, various diagnostic and therapeutic agents.

A filtration system is provided with hollow membrane filter elements operable to remove solids, particulate and colloidal matter from a process fluid. Acoustic, vibration and ultrasonic energy may be used to clean exterior portions of the hollow membrane filter elements to allow substantially continuous filtration of process fluids. The filtration system may be satisfactorily used with process fluids having a relatively high concentrations of solids, particulate and colloidal matter.

A method of depositing silicon on carbon nanomaterials such as vapor grown carbon nanofibers, nanomats, or nanofiber powder is provided. The method includes flowing a silicon-containing precursor gas in contact with the carbon nanomaterial such that silicon is deposited on the exterior surface and within the hollow core of the carbon nanomaterials. A protective carbon coating may be deposited on the silicon-coated nanomaterials. The resulting nanocomposite materials may be used as anodes in lithium ion batteries.

The present invention relates to a device for simultaneously treating a tumor or cancerous growth with both hyperthermia and X-ray radiation using brachytherapy. The device includes a needle-like introducer serving as a microwave antenna. Microwaves are emitted from the introducer to increase the temperature of cancerous body tissue. The introducer is an inner conductor of a coaxial cable. The introducer contains a hollow core which houses an X-ray emitter. The X-ray emitter is connected to a high voltage miniature cable which extends from the X-ray emitter to a high voltage power source. The X-ray emitter emits ionizing radiation to irradiate cancerous tissue. A cooling system is included to control the temperature of the introducer. Temperature sensors placed around the periphery of the tumor monitor the temperature of the treated tissue.

The present invention relates to a corrosion resistant water permeable brick, and belongs to the technical field of building materials. The corrosion corrosion resistant water permeable brick comprises 20-25wt% of Portland cement, 1.0-1.2wt% of anhydrite powder, 15.0-20.0wt% of slag pellets, 10-12wt % of cenospheres, 1.5-2.1wt% of admixtures, and the balance of quartz sand. Under the premise that the porosity and water permeability coefficient of the corrosion resistant water permeable brick are significantly higher than that of a water permeable brick, the compressive strength of the corrosion resistant water permeable brick is still higher than that of the conventional water permeable brick, the corrosion resistant water permeable brick has good corrosion resistance, and service life is significantly increased.

The invention relates to a catheter device including an optical fiber whose distal end is disposed within a hollow tube with a sharp or needle shaped distal end, which can penetrate tissue. The distal end of the optical fiber and the hollow tube are configured so as to emit, by refraction (total internal reflection) or reflection from a metal surface, laser energy at an angle of about 80° to about 90° relative to the longitudinal axis of the optical fiber and hollow tube. The hollow tube is mounted to a housing and may be surrounded by a sheath.

The present invention provides a new and improved shoe drying apparatus that can dry washed and/or unwashed shoes in a short period of time by circulating ozone-containing air in the airtight interior of the apparatus and also deodorize and sanitize shoes by removing odor and bacteria from the shoes. The shoe drying apparatus comprises a housing having a front door, a first porous plate installed in the bottom interior of the housing, a sanitizing-deodorizing assembly for generating ozone-containing air (“mixed air”), a second porous plate installed in the top interior of the housing, a ventilating fan for dispersing the mixed air into the central interior of the housing, an intake fan for bringing back air present in the upper space of the second plate to the sanitizing-deodorizing assembly, a plurality of hollow main conduits extending vertically from the second plate to the first plate, a plurality of hollow auxiliary conduits extending horizontally from each main conduit, and a shoe-holding member on which a shoe is fixed for drying.

A thin-wall hollow form for concrete to in-situ pour hollow non-beam floor is composed of top plate, peripheral wall and bottom plate, and is characterized by that its bottom plate contains at least one thin strip for improving its resistance to impact and collision. Its advantages are simple structure, high strength, toughness and resistance to deformation and vibration, light weight and low cost.

A system and method for reinforcing at least a portion of a structural member, including at least one hollow carrier, having an exterior shell and an interior portion, which substantially conforms to the dimensions and geometry of the structural member being reinforced; and a lightweight, low density material for filling the interior portion of one or more of the carriers. The material filling one or more of the carriers of the present invention can be a reinforcement material, self-curing material, or a heat activated expandable material. The carrier can be produced by blow molding or rotational molding and has an adhesive material disposed along at least a portion of the exterior shell used to place, adhere, and affix the carrier to a targeted portion of the structural member selected to be structurally reinforced.

The invention relates to an environment-friendly light heat-insulating material for fireproof doors and buildings, and a manufacturing method thereof. The manufacturing method is characterized by comprising the following steps of: pretreating plant hollow core bodies and/or flexible porous fillers by using a water glass adhesive; mixing with inorganic fire-resistant hollow particles; and performing mould pressing, shaping and drying to obtain the environment-friendly light heat-insulating material. The hollow core bodies and the flexible porous fillers are arranged multidirectionally; one layer of water glass adhesive is arranged at least on the surfaces of the hollow core bodies and the flexible porous fillers; and discontinuous holes are reserved between the hollow core bodies and/or the flexible porous fillers and the inorganic fire-resistant hollow particles. Preferably, the hollow core bodies are rice husks and straw sections; and the flexible porous fillers are foam and fibers. Renewable plant resources and recovered foam and fiber waste are adopted, so the environment-friendly light heat-insulating material is energy-saving and environment-friendly; and a large number of sealed holes are formed among the material particles through the penetration and coating of the modified water glass adhesive, and a heat-insulating hydrophobic corrosion-resistant multi-effect protective layer is provided, so the environment-friendly light heat-insulating material has good fireproof, heat-insulating and heat-preserving effects, high weather resistance, combined rigidity and toughness, low density and low cost.

A member for in-situ casting the reinforced concrete is composed of two halves, which are fastened together to form a hollow thin-wall member used for in-situ casting hollow floor slab, roof, wall, etc. Said member is made up by die pressing. Its advantages are high strength, low cost, and convenient transportation.

The present invention discloses an electrode for an electric operation device including a hollow electrode being formed in a hollow tube shape extended long from a closed tip, and having an insulation-coating on the outside surface except a predetermined length of the closed tip side, a refrigerant tube having a smaller diameter than a diameter of the hollow electrode, and being inserted into the hollow electrode, the refrigerant tube supplying refrigerants for cooling a living tissue contacting the closed tip and the hollow electrode into the hollow electrode, and externally discharging the heat-exchanged refrigerants from the living tissue through the gap between the refrigerant tube and the hollow electrode, at least one first hole formed on the outside surface of the hollow electrode where the insulation coating has not been formed, for externally discharging some of the refrigerants supplied through the refrigerant tube from the hollow electrode, and a flow control means formed on the outside surface of the hollow electrode where the insulation coating has not been formed, and operated as a discharge resistance to the refrigerants discharged from the first hole, for controlling a flow of the refrigerants, whereby supplying an electrode structure using both a method for water-cooling the inside of the electrode and a method for discharging the saline solution.

The invention discloses a composite tailing non-fired and non-steamed building block brick and a preparation method thereof. The brick comprises the following raw materials in parts by weight or volume: 50-300 parts of tailing and 3-30 parts of cement; and at least two components are selected from the active wastes such as fly ash, coal gangue, shale slag, alkaline residue, carbide slag, chemical gypsum and the waste residue of metallurgical industry to be mixed with the raw materials. The preparation method comprises the following steps: mixing to stir, compressing and shaping, performing natural curing or utilizing the solar heaing hydrating maintenance to prepare the composite tailing building block brick. By adopting the preparation method of the invention, the single performances of the tailings and slags can be changed, thus the product can have higher strength and quality owning to the interaction of materials; the technology does not adopt firing and steaming, the cost is low; different sizes of solid bricks, perforated bricks, hollow blocks, floor tiles, grass planting bricks, roadside bricks and artistic rails can be prepared by changing the mould; and various harmful slags such as tailings can become good, the Chinese development direction of the comprehensive utilization of resources is satisfied and the brick of the invention has development and application prospect.

A self-sealing male connector includes a tubular male body and an elastomeric resilient tip disposed on the distal end of the tubular male body. The elastomeric tip has a transverse size that is greater that the size of a female connector and a shape that differs from the female shape so that engagement of the two will result in reshaping the male tip to the shape of the female flow channel and the male will create a seal with the channel. The male tip is formed with a slit and a hollow core that provides a flow passage formed in the male body. As the male tip is reshaped due to engagement with a female connector, the slit opens to establish fluid flow through the male connector. In one embodiment, the transverse shape of the male tip is elliptical having a major axis along which the slit is formed. In one embodiment, the male tip is oversized in all transverse dimensions and forms an edge seal with the female connector at first contact. The proximal end of the male connector may be configured as a conventional female connector, a blood collection device, or other device. The male body can have a Luer shape.

A laser beam delivery system is disclosed, which allows transmission of high-power infrared light through a hollow core photonic band gap (HC-PBG) fiber made of non-silica-based glass. In this system, the infrared beam first passes through input coupling optics which focus the beam onto the hollow core of the HC-PBG fiber. In front of the input end of the HC-PBG fiber, there is provided a mask with a hole aligned with the hollow core, and the infrared beam first passes through this hole before entering the hollow core of the HC-PBG fiber. This protects the photonic band gap structure from being damaged by the beam. After passing through the HC-PBG fiber, which may be from one to several hundred meters in length, the infrared beam exits at the output end of the fiber and passes through output coupling optics which collimate and focus the beam onto a desired target. The various components of the system may be water cooled during the operation or subjected to a gas purge to prevent condensation or gas ionization.

The present invention is directed to hollow core optical ring resonators (HCORRs), methods of fabricating HCORRs, and methods of using HCORRs in sensing applications. In particular, the evanescent field and whispering gallery modes of the HCORRs may be used to detect a target analyte within the hollow core of the HCORR. Other features of the present invention include utilizing the HCORR as part of a multiplex sensing device, including using the HCORR in capillary electrophoresis and chromatography applications.