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9409results about "Moulds" patented technology

Implantable analyte sensor

Abstract of the DisclosureAn implantable analyte sensor including a sensing region for measuring the analyte and a non-sensing region for immobilizing the sensor body in the host. The sensor is implanted in a precisely dimensioned pocket to stabilize the analyte sensor in vivo and enable measurement of the concentration of the analyte in the host before and after formation of a foreign body capsule around the sensor. The sensor further provides a transmitter for RF transmission through the sensor body, electronic circuitry, and a power source optimized for long-term use in the miniaturized sensor body.
Owner:DEXCOM

Stent and process for producing the same

InactiveUS20060036311A1Risk of twistingRisk of tearingStentsButtonsThrombusPolymer
A stent comprising a tubular stent matrix of which diameter is extendable and a flexible polymer layer covering the stent matrix. The polymer layer is closely attached to and covers the entire surface of the stent matrix. Since the flexible polymer layer closely covers the entire surface of the stent matrix not only the outer periphery of the stent matrix, the stent has no problem of causing allergic to metal, stimulus of tissues due to metal, and rust development. Since the inner periphery of the stent is a flat and smooth surface covered by the polymer layer without convexes and concaves, the formation of thrombus can be inhibited well. There is no problem of drift between the polymer layer and the stent matrix, thereby maintaining the positional relationship between the stent matrix and the polymer layer before and after the expansion of the stent.
Owner:JAPAN STENT TECH CO LTD +1

Structural and optical applications for shape memory polymers (SMP)

The methods of manufacturing molds from shape memory materials and molds made thereby, in accordance with the present invention, provide numerous advantages for molding castable composite parts. The initial mold cost is low enough to accommodate economical production of as few as a single part incorporating high surface definition and intricate three dimensional detail. The preferred methods and molds made thereby are transparent, thereby, curing of the corresponding part by ultra-violet and infra-red light is made possible, as well as, visual inspection during injection and curing of the given resin. Removal of the cured part from within the mold is simplified.
Owner:SPINTECH LLC

Implantable analyte sensor

An implantable analyte sensor including a sensing region for measuring the analyte and a non-sensing region for immobilizing the sensor body in the host. The sensor is implanted in a precisely dimensioned pocket to stabilize the analyte sensor in vivo and enable measurement of the concentration of the analyte in the host before and after formation of a foreign body capsule around the sensor. The sensor further provides a transmitter for RF transmission through the sensor body, electronic circuitry, and a power source optimized for long-term use in the miniaturized sensor body.
Owner:DEXCOM INC

Multisource and multimaterial freeform fabrication

An apparatus for forming freeform solid articles includes a head unit having a plurality of arc-shaped support arms. The support arms mount material feeders and power sources which are directed at a work table. The material feeders, power sources and movement of the head unit and work table are controlled by a computerized control system.
Owner:UNIV TECH INT

Retaining wall block with face connection

Single and multiple retaining wall blocks and block systems are disclosed. The blocks are provided with a face connection system which includes at least one front lip extending from a top surface of the block and a bottom channel formed into a front face and bottom surface of the block. The front lips have a length which is less than the width of the blocks.
Owner:CONTECH TECH

Method and system for producing at least one patient-specific surgical aid

A method for producing at least one patient-specific surgical aid includes providing a physical model of a native patient tissue. The physical model has at least one surface of interest. A constraining wall is placed in contact with at least a portion of the physical model. A moldable substance is placed into contact with at least a portion of the surface of interest. An impression of the surface of interest is maintained upon the moldable substance. The moldable substance is solidified into a patient-specific surgical aid. The patient-specific surgical aid is removed from the physical model. A system for producing at least one patient-specific surgical aid is also disclosed.
Owner:THE CLEVELAND CLINIC FOUND

Multi-material stereolithography

Methods and systems of stereolithography for building cost-efficient and time-saving multi-material, multi-functional and multi-colored prototypes, models and devices configured for intermediate washing and curing / drying is disclosed including: laser(s), liquid and / or platform level sensing system(s), controllable optical system(s), moveable platform(s), elevator platform(s), recoating system(s) and at least one polymer retaining receptacle. Multiple polymer retaining receptacles may be arranged in a moveable apparatus, wherein each receptacle is adapted to actively / passively maintain a uniform, desired level of polymer by including a recoating device and a material fill / remove system. The platform is movably accessible to the polymer retaining receptacle(s), elevator mechanism(s) and washing and curing / drying area(s) which may be housed in a shielded enclosure(s). The elevator mechanism is configured to vertically traverse and rotate the platform, thus providing angled building, washing and curing / drying capabilities. A horizontal traversing mechanism may be included to facilitate manufacturing between components of SL cabinet(s) and / or alternative manufacturing technologies.
Owner:BOARD OF RGT THE UNIV OF TEXAS SYST

Method of making sensor

A sensor is provided for the determination of various concentrations of one or more components within a fluid sample. The sensor includes an injection molded body, at least two electrodes, an enzyme, and if desired, an electron transfer mediator. The body includes a reaction zone for receiving a fluid sample. The electrodes are at least partially embedded within the plastic body and extend into the reaction zone. Also contained within the reaction zone is an enzyme capable of catalyzing a reaction involving a compound within the fluid sample. Additionally, the sensor incorporates fill detection which activates a meter, attached to the sensor, for measuring the electrochemical changes occurring in the reaction zone.
Owner:APPL BIOMEDICAL LLC

Method for producing an adhesive closing element

A process for produces an adhesive closing element including a plurality of hook elements connected to a backing (10) forming a single piece with the hook elements and being disposed symmetrically thereon. The hook elements are provided in the form of a stem component (17) having a head piece (16). A deformable material is introduced into a forming zone in between a production master (3) and a forming tool (5). The opposite-lying defining walls, at least when seen in a longitudinal section of the respective forming cavity (12), are provided with a continuous convex trajectory. A continuous transition between the cross-sectional forms of the stem component (17) and the head piece (16) is provided for a hooking of the backing (10) resulting in seamless removal.
Owner:GOTTLIEB BINDER

Dental restorations formed by solid free-form fabrication methods

InactiveUS6994549B2Manufacture of restorationAdditive manufacturing apparatusImpression capsFree formThin layer
Solid free form fabrication techniques such as fused deposition modeling and three-dimensional printing are used to create a dental restoration. Three-dimensional printing comprises inkjet printing a binder into selected areas of sequentially deposited layers of powder. Each layer is created by spreading a thin layer of powder over the surface of a powder bed. Instructions for each layer may be derived directly from a CAD representation of the restoration. The area to be printed is obtained by computing the area of intersection between the desired plane and the CAD representation of the object. All the layers required for an aesthetically sound restoration can be deposited concurrently slice after slice and sintered / cured simultaneously. The amount of green body oversize is equivalent to the amount of shrinkage which occurs during sintering or curing. While the layers become hardened or at least partially hardened as each of the layers is laid down, once the desired final shaped configuration is achieved and the layering process is complete, in some applications it may be desirable that the form and its contents be heated or cured at a suitably selected temperature to further promote binding of the powder particles.
Owner:JENERICPENTRON

Method for manufacturing a membrane and object provided with such a membrane

The present invention relates to a method for manufacturing a membrane or wall (3) of a material, which is capable of vapour / vacuum deposition, over an opening of an object (2). The method includes: placing the opening with a defined rim against a backing surface (4) coated with a layer (5) repellent to the depositable material; depositing of the depositable material on the object (2) and the backing surface (4) to form an element; separation of the element from the hacking surface (4) leaving a membrane (3) integral with the element. The invention also relates to such an object provided with a membrane (3), and particularly an ultrasonic transducer (11) provided with a front membrane (3).
Owner:ULTRAZONIX DNT

Multilayer containers and process for forming multilayer containers

ActiveUS20050037165A1Material nanotechnologyMouldsInterior spaceEvacuated blood collection tube
A co-injection process is provided for fabricating improved multi-layer containers, including but not limited to blood collection tubes, evacuated blood collection tubes, culture bottles, centrifuges tubes, and syringe barrels. The container includes a tube (10) having a bottom wall (12) and a side wall (14) with an open end (18). The container can be provided with a stopper having an upper portion (22) and a skirt with an outside portion (30), a well (34) and a cavity (36). The tube and stopper assembly can be used for medical purposes including containing a blood sample within an enclosed interior space (40).
Owner:BECTON DICKINSON & CO

Fluorescence detector, filter device and related methods

Microfluidic assay detectors and microfluidic assay detection methods are disclosed. A microfluidic chip is coupled to a light emitting device, emission filters and excitation filters. Excited fluorescent light is detected by a camera and a lens. The correspondent reading allows parallel detection of features such as antigens and biomarkers. A microfluidic filter and related methods are also disclosed. The filter can be used with on-chip fluid filtration such as whole blood filtration for microfluidic blood analysis. The filter is able to filter the necessary volume of fluid and in particular blood in an acceptable time frame.
Owner:CALIFORNIA INST OF TECH

Silicones having improved chemical resistance and curable silicone compositions having improved migration resistance

A composition is prepared by mixing components including: (I) a polyorganosiloxane having an average of at least two unsaturated organic groups per molecule, with the proviso that component (I) is free of fluorine atoms; optionally (II) an organohydrogenpolysiloxane having an average of at least two silicon-bonded hydrogen atoms per molecule, with the proviso that component (II) is free of fluorine atoms; (III) a hydrosilylation catalyst; (IV) a fluoroorganosilicone, with the provisos that (1) component (IV) has at least one functional group reactive with component (I), component (II), or both, (2) when component (II) is not present, then component (IV) has an average of at least two silicon-bonded hydrogen atoms per molecule, and (3) component (IV) is added to the composition in an amount sufficient to provide chemical resistance to a cured product of the composition; and (V) an adhesion promoter.
Owner:DOW CORNING CORP

Method and apparatus for making crystalline PET pellets

A method and apparatus for underwater pelletizing and subsequent drying of polyethylene terephthalate (PET) polymers and other high temperature crystallizing polymeric materials to crystallize the polymer pellets without subsequent heating. High velocity air or other inert gas is injected into the water and pellet slurry line to the dryer near the pelletizer exit. Air is injected into the slurry line at a velocity of from about 100 to about 175 m3 / hour, or more. Such high-speed air movement forms a vapor mist with the water and significantly increases the speed of the pellets into and out of the dryer such that the PET polymer pellets leave the dryer at a temperature sufficient to self-initiate crystallization within the pellets. A valve mechanism in the slurry line after the gas injection further regulates the pellet residence time and a vibrating conveyor after the dryer helps the pellets to achieve the desired level of crystallinity and to avoid agglomeration.
Owner:GALA INDUSTRIES INC
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