279results about How to "Deep penetration" patented technology

An improved instrument for viewing subcutaneous venous structure, known as a VENOSCOPE, which includes a clamshell housing, having a first fixed arm extending therefrom, and a second movable arm captured by upper and lower portions of the housing; a first high intensity plurality of white and red LEDs positioned at the end of the first arm, and a second high intensity plurality of high intensity red and white LED positioned at the end of the second arm, and a battery positioned within the housing for selectively provided electrical energy to the red and white LEDs, so that a more defined and intensely illuminated field of visualization between structures below the skin and the surrounding subcutaneous tissue is defined. Additional embodiments include a tube or handle connected to a head having multiple arms or a single arm with multiple LEDs.

A bar code scanning and information retrieval system is integrated into a consumer electronic device that has an otherwise main and different function or purpose. Location determining technology, or a user interface through which location-specific information is provided, may be added to the bar code scanning and information retrieval system. A user may readily obtain information regarding the vendor at the location where the product is scanned and other vendors of the scanned product in the vicinity of the scanning device. Information can be provided to the user concerning nearby vendor location, maps to these vendors and product pricing and availability at these vendors, for example. Scanning and memory capability can be provided in connection with a non-Internet-ready portable consumer good and that scanned information can be subsequently transferred to an Internet-ready device by means of removable memory. Scanned information pertaining to a primary product may be used to obtain information from a web site regarding secondary consumer products that are related the to primary consumer product. Scanning a product code may automatically link a user to a web site or other location on a computer network, such as the Internet, which provides information related to the product whose product code was scanned. Thus, scanning the bar code acts as an instruction to a web browser to access a web site associated with the scanned bar code.

An apparatus and system for delivering a lipophilic agent associated with a medical device including: a medical device, a first lipophilic agent capable of penetrating a body lumen, wherein the transfer coefficients of the first lipophilic agent is by an amount that is statistically significant of at least approximately 5,000, wherein the first lipophilic agent is associated with the medical device, wherein the first lipophilic agent / medical device is placed adjacent to said body lumen, and wherein a therapeutically effective amount of the first lipophilic agent is delivered to a desired area within a subject. Furthermore, the invention relates to a method for improving patency in a subject involving placement of a medical device in a body lumen for treating and / or preventing adjacent diseases or maintaining patency of the body lumen.

A combined welding method with a filler wire using both a YAG laser and an electric arc, and a combined welding device with a filler wire using both a YAG laser and an electric arc, a welding in which a welding gap margin is broad, height and shape of reinforcement of weld, and penetration depth are preferable, can be effectively performed by the method or the device. The welding is performed by directing a laser focus 8 of a YAG laser 9 on base materials 31 and 32 for welding or the vicinity of the focus 8 by a filler wire 20, connecting a power source 22 for applying a voltage to the filler wire between the filler wire 20 and the base materials for welding, irradiating a YAG laser on the base materials for welding in the connecting condition, whereby an arc is induced to the filler wire by a plume (plasma-activated gas and the metal vapor), and holding the plume generated by YAG laser inside and outside of a keyhole.

A mechanical broadhead for attachment to an arrow having a broadhead body including a plurality of blade windows formed therein, a geometrically angled retractable blade attached within each of the blade windows, retaining springs for retaining the blades in a retracted position during flight, a front body slidably mounted onto the broadhead body, and a front tip secured to the front body. Upon contact with a target, the front tip and front body slide rearwardly into an end of the geometrically angled blades, thus pushing each of the blades through the blade windows into a deployed position. The blades of the broadhead are reset by inserting a sharp point underneath an end portion of the retaining springs and applying a slight twisting motion allowing the blades to retract back into the broadhead body into a loaded position.

Herein is described Nanostructure Enhanced X-ray Therapy (NEXT), which uses nanomaterials as radiosensitizers to enhance electromagnetic radiation absorption in specific cells or tissues. The nanomaterial radiosensitizers emit Auger electrons and generate radicals in response to electromagnetic radiation, which can cause localized damage to DNA or other cellular structures such as membranes. The nanomaterial radiosensitizers contain moieties for specific targeting to molecules or structures in a cell or tissue, and can be functionalized for increased stability and solubility. The nanomaterial radiosensitizers can also be used as detection agents to help in early diagnosis of disease. Together with known techniques such as Computed Tomography or Computerized Axial Tomography (CT or CAT scan), these nanomaterial radiosensitizers could allow early diagnosis and treatment of diseases such as cancer and HIV.

The invention relates to an integrated diffusion oriented combustion chamber which adopts a full ring combustion chamber structure. The integrated diffusion oriented combustion chamber mainly comprises a crankcase, a combustion liner and an oriented diffuser. The oriented diffuser realizes pneumatic and structural coupling, controls the tangential flow direction and carries out diffusion and speedreduction, and a local return low-speed zone is formed, thereby being good for flame linkage and tangential stable combustion; grading combustion is adopted, and a pre-combustion grade can be selected to work alone and work together with a main pre-combustion grade according to work conditions; the pre-combustion grade utilizes the trapped vortex combustion technology for stable work, goes into amain combustion zone to inflame a main combustion grade through a contraction outlet, and provides a stable ignition source for the main combustion grade; fuel of the main combustion grade is injected to a main combustion grade airflow in the oriented diffuser, atomization evaporation mixing with short distance is realized, and combustible mixture gas with uniform mixing is provided for the maincombustion zone. The invention allows tangential rotational flow of a gas compressor to directly go into the combustion chamber so as to realize tangential highly efficient and stable combustion; in addition, the discharge of pollutants is low, pre-rotation is provided for a turbine, the structure can be simplified, the weight is lightened, and the densification of a gas turbine is realized.

The invention discloses a quick-setting cement-based capillary crystalline self-repairing waterproofing material and a preparation method therefor. The quick-setting cement-based capillary crystalline self-repairing waterproofing material is prepared from the following ingredients in parts by weight: 55-75 parts of silicate cement, 25-45 parts of quartz sand, 3-10 parts of buffering agent, 4-12 parts of active ingredient A, 4-15 parts of active ingredient B, 2-6 parts of expanding agent, 1-12 parts of calcium ion supplement and 1-4 parts of water reducing agent. The waterproofing material disclosed by the invention is prepared by a simple physical mixing method, is short in initial setting time and low in chloride ion content and can infiltrate into the interior of a cement-based material to form crystals so as to block up microcracks, thus, the folding and compressing resistance and secondary infiltrating resistance are improved, and meanwhile, the cement-based material is endowed with long-lasting self-repairing performance and good waterproof and durable performance. In addition, the preparation method for the quick-setting cement-based capillary crystalline self-repairing waterproofing material is simple, has low requirements on equipment and processes and has very high application power.

A hole saw includes a depth stop for limiting the depth of penetration of the hole saw into a workpiece. The blade of the hole saw includes a plurality of slots, one of which is used to receive the depth stop. The depth stop is mounted to the blade by positioning a portion of the depth stop within the slot and sliding the depth stop from an unsecured position to a secured position. Once in the secured position, a locking member is moved within the depth stop to secure the depth stop in place. In use, the blade is advanced through the workpiece until the depth stop contacts the proximal surface of the workpiece.

A cutting element for a drag-type drill bit comprises a cutter body having a generally cylindrical base section adapted for snug-fitting engagement in a socket of a drill bit body. The cutter body is secured to the bit body by brazing or other conventional attachment techniques. The cutter body further has a generally cylindrical cutting section integral with the base section. The cutting section has at least one inclined surface extending from a top surface of the cutting section partially along the length of the generally cylindrical cutting section. The cutter body may comprise a sintered tungsten carbide and the top surface may comprise a layer of super hard material.

The invention discloses a ROS (reactive oxygen species)-response nano drug delivery system which comprises UCNPs (upconversion nanophosphors), carboxylated PEG (polyethylene glycol) connected with UCNPs, a photosensitizer, a ROS-sensitive thioketal linker and an anti-tumor chemotherapeutic drug connected with the thioketal linker, wherein the photosensitizer contains carboxyl, and the excitation spectrum of the photosensitizer is superposed with the upconversion emission spectrum of UCNPs. The invention also discloses a preparation method and application of the ROS-response nano drug delivery system. The ROS-response nano drug delivery system disclosed by the invention can control the drug release temporally and spatially and can perform combination therapy of photodynamics therapy and chemotherapy to eradicate tumor once; and meanwhile, the fluorescence emitted by UCNPs or the light emitted by the photosensitizer can perform fluorescence imaging, and thus, therapy-imaging integration can be realized.

A mechanical broadhead for attachment to an arrow having a broadhead body including a plurality of blade windows formed therein, a geometrically angled retractable blade attached within each of the blade windows, retaining springs for retaining the blades in a retracted position during flight, a front body slidably mounted onto the broadhead body, and a front tip secured to the front body. Upon contact with a target, the front tip and front body slide rearwardly into an end of the geometrically angled blades, thus pushing each of the blades through the blade windows into a deployed position. The blades of the broadhead are reset by inserting a sharp point underneath an end portion of the retaining springs and applying a slight twisting motion allowing the blades to retract back into the broadhead body into a loaded position.

The invention relates to a detection method which belongs to the field of biomolecules. The method can be used for detecting the interaction among proteins by a dimolecular fluorescent complement technology on the basis of orange red fluorescent protein and infrared fluorescent protein. The invention can be applied to detect the interaction of the proteins by living body imaging and can synchronously detect the interaction of multiple pairs of proteins in parallel.

A hole saw includes a depth stop for limiting the depth of penetration of the hole saw into a workpiece. The blade of the hole saw includes a plurality of slots, one of which is used to receive the depth stop. The depth stop is mounted to the blade by positioning a portion of the depth stop within the slot and sliding the depth stop from an unsecured position to a secured position. Once in the secured position, a locking member is moved within the depth stop to secure the depth stop in place. In use, the blade is advanced through the workpiece until the depth stop contacts the proximal surface of the workpiece.

A photo-chemically activated micro-bubble based root canal disinfection method for disinfecting a shaped root canal comprises (a) introducing a photoactive solution into the root canal, the photoactive solution containing a photoactive compound (such as methylene blue) dissolved in an alcohol carrier solution (such as polyethylene glycol and / or ethanol); (b) removing excess photoactive solution from the root canal; (c) introducing a micro-bubble solution comprised of an oxygen carrier (such as perfluorocarbon), an oxidizing agent (such as hydrogen peroxide) and a surfactant (such as a nonionic polyoxyethylene surfactant); (d) sonically or ultrasonically activating the micro-bubble solution in the canal; and (e) introducing light into the canal.

A bipolar electrode assembly includes a substrate having proximal and distal ends and supports first electrode and second electrodes. The first and second electrodes are disposed in an interwoven configuration across the surface of the substrate from the proximal to distal ends. A cooling medium is disposed interposed between the first and second electrodes from the proximal to distal ends. The first and second electrodes each include a plurality of finger-like prongs which either extend lengthwise or transversely or the first and second electrodes extend spiral inwardly along the surface of the substrate. The prongs of the first electrode intermesh with the prongs of the second electrode. Each prong is separated by the cooling medium. First and second electrodes may be disposed in a lengthwise alternating configuration across the surface of the substrate with a cooling medium disposed in vertical registration thereunder.

The invention is directed to stable and labile crosslinked water swellable polymeric microparticles that can be further gelled, methods for making same, and their various uses in the hygiene and medical arts, gel electrophoresis, packaging, agriculture, the cable industry, information technology, in the food industry, papermaking, use as flocculation aids, and the like. More particularly, the invention relates to a composition comprising expandable polymeric microparticles having labile crosslinkers and stable crosslinkers, said microparticle mixed with a fluid and an unreacted tertiary crosslinker comprising PEI or other polyamine based tertiary crosslinker that is capable of further crosslinking the microparticle on degradation of the labile crosslinker and swelling of the particle, so as to form a stable gel. A particularly important use is as an injection fluid in petroleum production, where the expandable polymeric microparticles are injected into a well and when the heat and / or pH of the well cause degradation of the labile crosslinker and when the microparticle expands, the tertiary crosslinker crosslinks the polymer to form a stable gel, thus diverting water to lower permeability regions and improving oil recovery.

An apparatus and system for delivering a lipophilic agent associated with a medical device including: a medical device, a first lipophilic agent capable of penetrating a body lumen, wherein the transfer coefficients of the first lipophilic agent is by an amount that is statistically significant of at least approximately 5,000, wherein the first lipophilic agent is associated with the medical device, wherein the first lipophilic agent / medical device is placed adjacent to said body lumen, and wherein a therapeutically effective amount of the first lipophilic agent is delivered to a desired area within a subject. Furthermore, the invention relates to a method for improving patency in a subject involving placement of a medical device in a body lumen for treating and / or preventing adjacent diseases or maintaining patency of the body lumen.

An apparatus for molding a metal material. The apparatus includes a vessel with portions defining a passageway through the vessel. An inlet is located toward one end and a member or agitation means is located within the passageway. A plurality of heaters are located a length of the vessel. The first of the heaters is located immediately downstream of the inlet and is a low frequency induction coil heater whereby the temperature gradient through the vessel's sidewall is minimized.

Apparatus and method for treating by injecting a fluid treatment material into the bodies of porous structures such as those formed from concrete, brick, stone, marble, and wood. The apparatus for use in the method includes an applicator head having an inner chamber and an outer chamber surrounding the inner chamber both of which chambers are connected with a vacuum source. The inner chamber is also connected with a source of pressurized liquid treatment material. The method is non-invasive in that the fluid treatment material impregnates the porous structure without the need to break open, destroy, repair, or replace any part of the structure, and includes the steps of engaging the structures with the applicator head, drawing a vacuum on at least the outer chamber to secure the applicator head to the structure, and supplying the pressurized liquid treatment material to the inner chamber to and onto the surface of the structure to impregnate the structure to be treated.

A method and apparatus for applying decompressive energy to tissue for the selective destruction of cancerous cells is disclose and claimed. The tissue to be treated is enclosed within a vessel subjected to decompressive energy supplied by said decompressive energy source to said vessel. The decompressive energy is applied in a controlled manner to said tissue in at a pre-selected level of decompressive energy. Loading forces generated by applied decompressive energy and the forces generated between the interior of said vessel and said tissue which said vessel encompasses are to be diffused. As disclosed and claimed, a mass of elastic material comprising an inner radius and outer radius with the inner radius forming a seal with said tissue while allowing said tissue to move in relation to said inner radius and a fluid pocket circumferentially positioned within said elastic mass in combination with a collar positioned at the perimeter of the vessel opening is claimed.

A synthetic acid composition for use in oil industry activities, said composition comprising: urea and methanesulphonic acid in a molar ratio of not less than 0.1:1; a metal iodide or iodate; an alcohol or derivative thereof.