Patent application number | Description | Published |
20080255300 | POLYTRIMETHYLENE ETHER ESTER ELASTOMER FLEXIBLE FILMS - Polytrimethylene ether ester elastomer flexible films are provided. The films have desirable physical properties, including tenacity, that enable their use in making robust packaging from relatively thin films. | 10-16-2008 |
20090300833 | FLAME RESISTANT, SELECTIVELY PERMEABLE LAMINATES - Flame resistant, selectively permeable laminates are provided. In various embodiments, the laminates are useful for fabrication as a protective article and are both flame resistant and substantially impermeable to hazardous chemical and biological agents, but sufficiently permeable to water vapor that, if worn as protective apparel, it is both protective and comfortable to wear. | 12-10-2009 |
20100273383 | CHITOSAN FILMS WITH REDUCED SHRINKAGE AND LAMINATES MADE THEREFROM - Inclusion of a needle structured clay or the plate structured clay sodium montmorillonite in a chitosan film was found to reduce shrinkage of the film. The clay is processed into a substantially dispersed form. Laminates fabricated from this chitosan film including dispersed clay can be used in make a variety of finished articles that can be used to provide protection from hazardous chemical and biological agents. | 10-28-2010 |
20110113534 | Impact Resistant Composite Article - An impact resistant composite article has at least two or more fibrous fabric layers and a polymeric layer disposed between at least some of the fabric layers. The peel strength measured at 20° C. between the fabric layer an adjacent polymeric layer after pressing for 30 minutes at 500 psi and 160° C. is less than 1 kg/cm, and where the weight % of polymeric resin relative to the resin plus fabric is greater than 5%. | 05-19-2011 |
20110117351 | Impact Resistant Composite Article - An impact resistant composite article has two or more layers of ballistic fabric and ionomer layers disposed between the fabric layers. The ionomer is highly neutralized so that it has essentially no melt flow. A process also for making such a composite article that involves deposition of an aqueous colloid of the ionomer onto the fabric, followed by drying. | 05-19-2011 |
20120108127 | POLYAMIDE COMPOSITE STRUCTURES AND PROCESSES FOR THEIR PREPARATION - Disclosed herein are composite structures, overmolded composites structures and processes for their preparation. The disclosed composite structures have a surface having at least a portion made of a surface resin composition, and comprise a fibrous material being impregnated with a matrix resin composition, wherein the matrix polyamide resin composition and the surface resin composition are selected from polyamide compositions comprising a blend of semi-aromatic polyamides. | 05-03-2012 |
20130052116 | CHITOSAN FILMS WITH REDUCED SHRINKAGE AND LAMINATES MADE THEREFROM - Inclusion of a needle structured clay or the plate structured clay sodium montmorillonite in a chitosan film was found to reduce shrinkage of the film. The needle structured clay is purified and processed into a substantially dispersed form by subjecting an aqueous slurry of the clay with water-soluble phosphate dispersant to a high pressure, high shear mixing process or to sonication. Laminates fabricated from chitosan film including dispersed clay can be used in make a variety of finished articles that can be used to provide protection from hazardous chemical and biological agents. | 02-28-2013 |
20140315459 | CHITOSAN FILMS WITH REDUCED SHRINKAGE AND LAMINATES MADE THEREFROM - Inclusion of a needle structured clay or the plate structured clay sodium montmorillonite in a chitosan film was found to reduce shrinkage of the film. The clay is processed into a substantially dispersed form. Laminates fabricated from this chitosan film including dispersed clay can be used in make a variety of finished articles that can be used to provide protection from hazardous chemical and biological agents. | 10-23-2014 |
Patent application number | Description | Published |
20120197325 | METHODS AND SYSTEMS FOR IMPLEMENTING A HIGH VOLTAGE SWITCHING CIRCUIT IN AN IMD - A high voltage switching and control circuit is provided for an implantable medical device (IMD). The circuit includes a high voltage positive (HVP) node, configured to receive a positive high voltage signal from a high energy storage source, and a high voltage negative (HVN) node, configured to receive a negative high voltage signal from a high energy storage source. Additionally, the circuit includes first, second and third output terminals that are configured to be connected to electrodes for delivering high voltage energy. First and second SCR switches are connected to the first and second output terminals, respectively. The first and second SCR switches are connected in series with one another and are connected to one of the HVP and HVN nodes. The first and second SCR switches have gating terminals. A control circuit is connected to the gating terminals and delivers first and second gating signals to turn ON the first and second SCR switches, respectively. The control circuit temporally offsets the first and second gating signals to turn ON the first and second SCR switches in a serial delayed manner. | 08-02-2012 |
20140358195 | IMPLANTABLE MEDICAL DEVICES, AND METHODS OF USE THEREWITH, THAT USE A SAME COIL FOR RECEIVING BOTH COMMUNICATION AND POWER SIGNALS - Implantable medical devices (IMDs), and methods for use therewith, use a same coil for receiving communication and power signals. An IMD, which is configured to operate in a charge or power mode and in a communication mode, includes a coil, power circuitry and communication circuitry. The coil includes first and second terminals and an intermediate tap therebetween. The power circuitry is coupled, during the charge or power mode, to a first portion of the coil extending between the first and second terminals of the coil. The communication circuitry is coupled to a second portion of the coil extending between the first terminal and the intermediate tap of the coil. A third portion of the coil, extending between the intermediate tap and the second terminal of the coil, is decoupled from the power circuitry during the communication mode, which prevents current from flowing through the third portion of the coil. | 12-04-2014 |
20150032175 | IMPLANTABLE CARDIAC STIMULATION DEVICES, AND METHODS OF USE THEREWITH, THAT USE ASSIGNABLE PACE RETURN CAPACITORS - Described herein are implantable cardiac stimulation devices, and methods for use therewith. A pacing channel of such a device includes a pace output terminal, a pulse generator and at least two pace return electrode terminals. The pace output terminal is coupleable to an electrode for use as an anode. The pulse generator is configured to selectively output an electrical stimulation pulse to the pace output terminal. Each of the pace return electrode terminals is coupleable to a separate one of at least two further electrodes for use as a cathode. Switching circuitry selectively couples any one of the pace return electrode terminals of the pacing channel to the pace return capacitor of the pacing channel at a time, thereby enabling the pace return capacitor to be shared by at least two of the pace return electrode terminals of the pacing channel. Additional embodiments are also disclosed herein. | 01-29-2015 |
Patent application number | Description | Published |
20090126544 | High efficiency turbine and method of making the same - The present invention is directed to a method of manufacturing a turbine blade. The method comprises selecting a pipe having a specific inner diameter, length and wall thickness, cutting the pipe along a spiral trajectory to produce a coil, securing the coil, and shaping the coil to create a uniform hydrofoil cross section along the length of the coil. | 05-21-2009 |
20090129928 | High efficiency turbine and method of generating power - The present invention is directed to a turbine comprising a plurality of blades that rotate in a single direction when exposed to fluid flow, wherein the plurality of blades are joined to the central shaft by a plurality of radial spokes disposed substantially perpendicular to the central shaft such that the rotating plurality of blades causes the shaft to rotate. The plurality of blades has a uniform airfoil-shaped cross section, where the airfoil cross section presents a non-zero angle of attack to the current. The plurality of blades wind in a spiral trajectory, rotating around the central shaft and having a variable radius along the length of the central shaft such that a distance measured from the plurality of blades to the center shaft is greater near the center of the turbine than at either end. | 05-21-2009 |
20090309365 | Submersible turbine-generator unit for ocean and tidal currents - A submersible turbine-generator unit includes two or more turbines mounted on a common shaft with a generator therebetween. Each such turbine is capable of providing relatively low-speed, unidirectional rotation under a reversible ultra low head pressure and/or low velocity fluid flow. The turbines comprise a working wheel with a plurality of airfoil-shaped blades mounted transversely to the direction of fluid flow for rotation in a plane parallel to the fluid flow. The turbines convert energy in the waterway currents into mechanical energy that will transfer it through the turbine shaft to a cylindrical permanent magnet generator which will convert mechanical energy in the form of RPM and torque into electricity. Electricity from the variable speed electric generator is controlled, synchronized, conditioned and transformed into utility-grade electricity using a power electronics system in each module. | 12-17-2009 |
Patent application number | Description | Published |
20080238545 | LINEARIZED CLASS AB BIASED DIFFERENTIAL INPUT STAGE - A linearized bipolar differential input stage that contains two high gain current mirrors coupled in series with the input voltage signal through the input transistors to allow the output differential current to greatly exceed the DC output current in a Class AB fashion. The extended output current range over and above the DC current significantly lowers the percentage of effects for both DC offset and noise in the output signal path. Non-linearity cancellation is also optimized for the lowest level of input distortion through adjusting transistor area ratios. | 10-02-2008 |
20090051439 | TRANSCONDUCTANCE SIGNAL CAPACITY FORMAT - Operational transconductance amplifiers have a natural signal capacity format in which signal performance can be expressed in terms of fixed percentages. Input signal can be applied to Operational transconductance amplifiers in this natural signal capacity format in order to optimize performance. A signal which drives a given Operational transconductance amplifier architecture to produce an output current which is at 50% of it's maximum available output current can be thought of as applying an input voltage which is at 50% of an Operational transconductance amplifier's maximum input voltage capacity. In this input/output channel capacity format, dc offset, distortion, and noise all are temperature independent. By translating input signal between a voltage format to a channel capacity format using the methods of this invention, output signal performance attributes such as gain, frequency response, dc offset, temperature drift, distortion, and noise, can all be optimize over the full temperature range for all types of Operational transconductance amplifier architectures and applications. | 02-26-2009 |
20120062032 | ENERGY HARVESTING RESISTOR - The harvesting Resistor consists of single or dual supply DC to DC converter, which has a current sense resistor in series with its output port. The sensed current magnitude is coupled back to modulate the duty cycle in a way such that a voltage to current together with the power absorbing relationship of a resistor is appearing at the DC to DC converter's output port. Such an emulated resistor, when connected to an external power source, can efficiently transfer the absorbed energy from an external power source to the single or dual supplies of the DC to DC converter. | 03-15-2012 |
20120120693 | RECTIFIER LESS BIDIRECTIONAL AC TO DC CONVERTER - A split supply DC to DC converter is coupled through a low resistance path to a secondary coil of an ac line transformer, and is used as a high efficiency bidirectional AC to DC convertor. A small sense resistor is placed in series with the secondary in order to measure secondary current. The duty cycle of the DC to DC converter, which defines the voltage of what is normally treated as an output node, is modulated by the monitored secondary current. By coupling such an output node across the secondary coil, a voltage to current relationship is defined across the secondary to be that of a simulated resistor. Such a resistor will absorb power from the AC line and transfer it efficiently to the split supplies. The power transfer direction is reversed with the same efficiency by defining the current to voltage relationship to be one of a negative resistor. | 05-17-2012 |
20120315426 | AUTO-ALIGNING JOINT ARCHITECTURE - The Auto-Aligning Joint Architecture consists of adding endpoint margin regions to sheets which are intended to be joined together. A series of T shaped cuts are made into the margin regions to create alternating connected or disconnected margin regions. The connected margin regions of one sheet align to the disconnected margin regions of the other sheet, such that connected margin regions can fit into disconnected margin regions, thereby joining both sheets together with great precision. | 12-13-2012 |
Patent application number | Description | Published |
20090156076 | FLUID RESISTANT COMPOSITE SANDWICH PANEL - A composite sandwich panel a first facing and a second facing over a core layer, the first and second facings having at least one fiberglass layer between an inner and an outer graphite layer. | 06-18-2009 |
20120199292 | PLY LOCKING FOR HONEYCOMB PANELS - A tool for forming a panel including a core area, at which plies sandwich a core, and a trim area surrounding the core, at which the plies are bonded together, is provided and includes a body having a surface on which the panel is formable, the surface including core and trim portions for respective correspondence with locations of the core and trim areas of the panel, a border between the core and trim portions defining a surface feature displaced from a plane of the core portion, a lock disposable proximate to the surface feature to increase a pre-bonding friction between the plies at the surface feature and an assembly to apply bonding pressure to the plies and the lock at least at the core and trim areas. | 08-09-2012 |
20120204741 | CO-CURING REUSABLE ELASTOMERIC CAUL PLATE - A caul plate system for a laminate structure includes a plurality of layers of curable caul plies disposed over a laminate structure and substantially conforming to a surface of the laminate structure. A resin is applied to the plurality of layers of caul plies. Co-curing of the plurality of layers of caul plies with the laminate structure hardens the plurality of layers of caul plies such that a normal pressure is applied to the laminate structure during cure of the laminate structure. | 08-16-2012 |
20120255676 | EXTERNAL TO BAGGING MECHANICAL CLAMP - A tool for forming a panel including a core area, at which plies sandwich a core, and a trim area surrounding the core, at which the plies are bonded together, is provided and includes a body having a surface on which the panel is formable, an assembly to apply bonding pressure to the plies at least at the core and trim areas and a clamping device external to the assembly to apply a clamping force to the vacuum bag and the plies. | 10-11-2012 |
20120276362 | FAY SURFACE SEALANT APPLICATION - A method of sealing between two components includes applying and curing a layer of fay surface sealant to a first component. A layer of liquid shim is applied to one or more of the first component and a second component. The first component is assembled to the second component with the layer of fay surface sealant and the layer of liquid shim therebetween. An assembly of two components includes a first component and a layer of fay surface sealant applied and cured to a first facing surface of the first component. A second component includes a second facing surface, such that the second facing surface and the layer of fay surface sealant define a gap therebetween. A layer of liquid shim is located between the second component and the layer of fay surface sealant thereby substantially filling the gap. | 11-01-2012 |
20130062808 | CONFORMAL DELTOID NOODLE FOR A COMPOSITE STRUCTURE - A method of fabricating a conformal deltoid noodle includes providing a composite prepreg material having a predetermined length and a width, the predetermined length being aligned along a longitudinal axis; subjecting the composite prepreg material to a cutting process to form a notched section coextensive along the predetermined length; and rolling the composite prepreg material along its width to create the conformal deltoid noodle. | 03-14-2013 |
20130095284 | COMPOSITE STRUCTURE AND CORE POSITIONING PLY - A composite structure includes a first laminate, a second laminate, and at least one core component located between the first laminate and the second laminate. The at least one core component includes a honeycomb core and at least one locking ply extending from the honeycomb core between the first laminate and the second laminate. The at least one locking ply is configured such that a pressure applied during a cure cycle of the composite structure retains the at least one locking ply between the first laminate and the second laminate thereby preventing movement of core component. | 04-18-2013 |
20130344295 | LATTICE GRID CAUL FOR HONEYCOMB COMPOSITE STRUCTURE - A caul system for a composite structure having one or more core elements includes a lattice grid hard caul selectively locatable at a portion of the composite structure without core elements. The caul system further includes a soft caul selectively locatable at a portion of the composite structure having a core element. A method of forming a composite structure with one or more core elements includes locating a first laminate in a tool and locating one or more core elements over the first laminate. A second laminate is located over the one or more core elements. A lattice grid hard caul is placed over the second laminate, avoiding locations having core elements of the one or more core elements disposed thereat. A soft caul is located over the one or more core elements, thereby preventing deformation of the one or more core elements. | 12-26-2013 |
20140106116 | COMPOSITE STRUCTURE CORE CRUSH PREVENTION - A composite structure includes a first laminate and a second laminate. At least one core assembly is located between the first laminate and the second laminate. The at least one core assembly includes a core component and a layer of filler material disposed at a first face of the core component. The layer of filler material at least partially fills selected cells of the core component to a fill depth such that the filler material rigidizes when cured to prevent movement and/or crushing of core component under a pressure applied during a cure cycle of the composite structure. | 04-17-2014 |
20150093541 | COMPOSITE STAPLE - A laminate design is provided and includes a substrate formed to define through-holes, an initially uncured pre-preg laminate disposed proximate to the substrate and an initially uncured pre-preg staple. The staple includes a main member and legs extending from the main member and being disposable with the legs extending through the through-holes to pierce the laminate. The staple is co-curable with the laminate. | 04-02-2015 |
20150096711 | REMOVABLE PASSAGE MANDREL - A composite core for forming a passage in an investment casting mold is provided including a core element. A generally hollow structural element is positioned about an exterior of the core element. The structural element is configured to deform when a force is applied to the structural element. A rigid shell element is integrally formed about the structural element. The shell element is configured to break when the structural element deforms. | 04-09-2015 |
20150133016 | IMPACT RESISTANT COMPOSITE PANEL AND METHOD OF FORMING A COMPOSITE PANEL - A composite panel includes a support layer including a first plurality of prepreg plies wrapped around at least one mandrel; a mid-plane impact layer including a second plurality of prepreg plies, the mid-plane impact layer adjacent to the support layer; a upper skin layer including a third plurality of prepreg plies, the upper skin layer adjacent to the mid-place impact layer; and a lower skin layer including a fourth plurality of prepreg plies, the lower skin layer adjacent to the support layer; whereby each of the first, second, third, and fourth plurality of prepreg plies are co-cured to form the composite panel. | 05-14-2015 |
20150136308 | FIELD REPAIR KITS FOR STRUCTURAL PANEL - A kit for repairing an opening formed in a composite panel having a laminate skin arranged on opposing sides of a first core material is provided including a plug and a patch. The plug is formed from a second core material and has a cured filler material arranged within at least a portion of the second core material. The patch is formed from a plurality of cured first plies arranged in a stacked orientation. The plug is configured to be received within the opening of the composite panel and the patch is configured to cover the opening of the composite panel. | 05-21-2015 |
Patent application number | Description | Published |
20120199485 | ULTRA-FAST NUCLEIC ACID SEQUENCING DEVICE AND A METHOD FOR MAKING AND USING THE SAME - A system and method employ at least one semiconductor device, or an arrangement of insulating and metal layers, having at least one detecting region which can include, for example, a recess or opening therein, for detecting a charge representative of a component of a polymer, such as a nucleic acid strand proximate to the detecting region. A method for manufacturing forms such a semiconductor device. The system and method can be used for sequencing individual nucleotides or bases of ribonucleic acid (RNA) or deoxyribonucleic acid (DNA). The detecting region permits a current to pass between the two doped regions in response to the presence of the component of the polymer, such as a base of a DNA or RNA strand. The current has characteristics representative of the component of the polymer, such as characteristics representative of the detected base of the DNA or RNA strand. | 08-09-2012 |
20130068619 | Method and Apparatus for Detecting Nucleotides - A system and method employing at least one semiconductor device, or an arrangement of insulating and metal layers, having at least one detecting region which can include, for example, a recess or opening therein, for detecting a charge representative of a component of a polymer, such as a nucleic acid strand proximate to the detecting region, and a method for manufacturing such a semiconductor device. The system and method can thus be used for sequencing individual nucleotides or bases of ribonucleic acid (RNA) or deoxyribonucleic acid (DNA). The semiconductor device includes at least two doped regions, such as two n-typed regions implanted in a p-typed semiconductor layer or two p-typed regions implanted in an n-typed semiconductor layer. The detecting region permits a current to pass between the two doped regions in response to the presence of the component of the polymer. | 03-21-2013 |
20130264204 | METHOD AND APPARATUS FOR DETECTING NUCLEOTIDES - A system and method employing at least one semiconductor device, or an arrangement of insulating and metal layers, having at least one detecting region which can include, for example, a recess or opening therein, for detecting a charge representative of a component of a polymer, such as a nucleic acid strand proximate to the detecting region, and a method for manufacturing such a semiconductor device. The system and method can thus be used for sequencing individual nucleotides or bases of ribonucleic acid (RNA) or deoxyribonucleic acid (DNA). The semiconductor device includes at least two doped regions, such as two n-typed regions implanted in a p-typed semiconductor layer or two p-typed regions implanted in an n-typed semiconductor layer. The detecting region permits a current to pass between the two doped regions in response to the presence of the component of the polymer. | 10-10-2013 |
20140021048 | Method and Apparatus for Detecting Nucleotides - A system and method employing at least one semiconductor device, or an arrangement of insulating and metal layers, having at least one detecting region which can include, for example, a recess or opening therein, for detecting a charge representative of a component of a polymer, such as a nucleic acid strand proximate to the detecting region, and a method for manufacturing such a semiconductor device. The system and method can thus be used for sequencing individual nucleotides or bases of ribonucleic acid (RNA) or deoxyribonucleic acid (DNA). The semiconductor device includes at least two doped regions, such as two n-typed regions implanted in a p-typed semiconductor layer or two p-typed regions implanted in an n-typed semiconductor layer. The detecting region permits a current to pass between the two doped regions in response to the presence of the component of the polymer, such as a base of a DNA or RNA strand. The current has characteristics representative of the component of the polymer, such as characteristics representative of the detected base of the DNA or RNA strand. | 01-23-2014 |
Patent application number | Description | Published |
20100211082 | MEDICAL INSTRUMENT TO PLACE A PURSESTRING SUTURE, OPEN A HOLE AND PASS A GUIDEWIRE - A therapeutic instrument for the ergonomic, effective and safe opening and closing of targeted remote tissue sites; includes a pistol grip style handle with a hand activated lever for needle deployment and, optionally, with features to control tissue cutting and guide wire installation; also incorporates a specialized elongated rigid or flexible instrument shaft, which enables vacuum assisted holding of tissue at a uniquely contoured distal tip, where placement of a suture in a purse string configures occurs along with, if desired, tissue cutting and guide wire passage. | 08-19-2010 |
20100211083 | MEDICAL INSTRUMENT TO PLACE A PURSESTRING SUTURE, OPEN A HOLE AND PASS A GUIDEWIRE - A therapeutic instrument for the ergonomic, effective and safe opening and closing of targeted remote tissue sites; includes a pistol grip style handle with a hand activated lever for needle deployment and, optionally, with features to control tissue cutting and guide wire installation; also incorporates a specialized elongated rigid or flexible instrument shaft, which enables vacuum assisted holding of tissue at a uniquely contoured distal tip, where placement of a suture in a purse string configures occurs along with, if desired, tissue cutting and guide wire passage. | 08-19-2010 |
20100331623 | System for endoscopic suturing - A system for endoscopic suturing is provided having an endoscope, such as a gastroscope, with a distal end locatable in the body of a patient and a flexible shaft extending to the distal end, a flexible accessory tube coupled to the endoscope to be movable relative to the endoscope's shaft, and a tip coupled to the shaft of the endoscope having an opening through which one end of the accessory tube is received. A tissue suturing instrument is provided having a partially flexible shaft locatable through the accessory tube, and a tissue engaging end coupled to the shaft. The tissue engaging end has a vacuum sleeve enabling suction to be selectably applied at the tissue engaging end to capture tissue through an opening in the vacuum sleeve. Two needles are provided which extend through the shaft of the suturing instrument. Each needle is separately actuated into a gap in the instrument's tip, through tissue suctioned into the opening of the vacuum sleeve and into a ferrule at each end of a loop of suture. The system further includes a suture securing instrument having a partially flexible shaft locatable through the accessory tube, and a distal end coupled to the shaft. After removal of the suturing instrument from the accessory tube, a loop of suture extends through the tissue and the accessory tube, the suture securing instrument receives the free ends of the loop of suture at its distal end through a sleeve member, and the suture securing instrument is then inserted through the accessory tube to the location of the suture in the tissue. The suture securing instrument crimps the sleeve member and cuts the free ends of the suture to secure the suture closed. The suturing instrument and suture securing instrument are passed through the accessory tube without removal of the endoscope from the patient. The endoscope provides viewing by an operator of the engaging end of the suturing instrument for selecting placement of the suture through tissue, and of the distal end of the suture securing instrument to secure the suture closed. | 12-30-2010 |
20110040253 | OPTICAL TROCAR - The present invention relates to an optical obturator which includes a sleeve having a longitudinal bore between a proximal end and a distal end. The longitudinal bore of the sleeve is configured to receive at least a portion of an endoscope or like image transferring system. An image passing member, such as an optical window is positioned at the distal end of the sleeve and is provided to permit optical images to pass into the longitudinal bore of the sleeve and to permit illumination light to pass to the surgical site. An automatically retracting blade is positioned distal to the image passing member to facilitate penetration of body tissue. | 02-17-2011 |
20110118758 | MULTI-FIRE SUTURING INSTRUMENT WITH PROXIMAL FERRULE RELEASE FEATURE - A surgical suturing instrument has a needle which traverses at tissue receiving gap and picks up suture distal to the gap. This invention provides an automated mechanism enabling the suture to be removed from the needle after the needle is retracted proximal to the tissue gap. This mechanism provides enhanced device reloading and other potential uses. | 05-19-2011 |
20110251641 | BIOABSORBABLE MAGNESIUM KNOTS FOR SECURING SURGICAL SUTURE - A crimpable magnesium sleeve for securing a suture within the body and for dissolving over time while introducing only compatible amounts of magnesium into the body. An instrument for placing such a sleeve on a suture crimping the sleeve and cutting the suture after placement. An alloy of magnesium, zinc, and aluminum may be used to form the sleeve. | 10-13-2011 |
20120016383 | METHOD AND APPARATUS FOR CLOSING AN OPENING IN THICK, MOVING TISSUE - A device for placing one or more sutures through a section of tissue, especially a section of thick and/or moving tissue such as the wall of a beating heart. The device includes a tissue welting tip having a trough for forming a welt in a tissue section, an alignment guide pivotally mounted in the distal end adjacent to the trough, and having an opening receiving a guide wire and an elongated sleeve slidably engagable with the guide wire there through. The device also includes one or more expandable tissue engaging member(s) on the sleeve selectively expandable from a collapsed configuration having a diameter small enough to pass through the opening in the tip to an expanded configuration having a diameter large enough to engage a tissue section and urge it into the trough to form a welt in the tissue section and a retractable needle extendable through at least two portions of a tissue section while the tissue section is engaged with the trough. | 01-19-2012 |
20120283749 | MULTIPLE LOOP DEVICE FOR PASSING SUTURE TAILS THROUGH A SURGICAL PLEDGET - A surgical pledget assembly includes a pledget body having first and second apertures extending through the body, one or more snares passing through the apertures in the pledget body and including first and second suture engaging loops disposed on a distal side of the pledget, an optional third folding loop disposed on a proximal side of the pledget, and a handle secured to the ends of the snare or snares proximal to the pledget. | 11-08-2012 |
20120330324 | ERGONOMIC, LIGHTED UTERINE MANIPULATOR WITH CAUTERY - A uterine manipulator includes a sound and a body. The sound has a selectively actuatable anchor disposed proximate a distal end and an operating mechanism spaced from the anchor for controlling actuation of the anchor. The body has a passage therethrough adapted to receive the sound passed proximally through the body to a position in which the operating mechanism is accessible proximally of the body and the anchor extends distally. | 12-27-2012 |
20140276979 | METHOD AND DEVICES FOR SECURING BIDIRECTIONAL SUTURE LOOPS USING COAXIAL MECHANICAL FASTENERS - A method and apparatus for securing separate loops of suture with a coaxial mechanical fastener. Separate loops of suture extend from opposite ends of the mechanical fastener. A wire snare facilitates pulling the suture through the fastener. A suturing instrument provides for the infusion of pressurized physiologic solutions into the left ventricle so that the proper replacement suture length can be demonstrated real time prior to crimping the fastener. The instrument incorporates a slotted release site so that the fastener and suture can be released from the device tip once the fastener is secured. A method of securing suture coming from cardiac valve leaflets and or other structures like papillary muscles permits a more atraumatic orientation of the fastener coaxial with the suture strands. | 09-18-2014 |
20140296867 | ANATOMIC VAGINAL OCCLUDER - An anatomic vaginal occluder is constructed of soft, relatively compliant materials for atraumatic insertion through the vaginal opening. This device integrates at its distal end a horizontally oriented, elliptically shaped, occlusive prominence coupled with a larger vertically oriented, elliptical occlusive prominence, located more proximally on the device's longitudinal axis. The vaginal wall tissue is compressed radially and put under longitudinal tension completely circumferentially around the occlusive features to create a seal against gas loss. | 10-02-2014 |
20150127016 | ERGONOMIC, LIGHTED UTERINE MANIPULATOR WITH CAUTERY - A uterine manipulator includes a sound and a body. The sound has a selectively actuatable anchor disposed proximate a distal end and an operating mechanism spaced from the anchor for controlling actuation of the anchor. The body has a passage therethrough adapted to receive the sound passed proximally through the body to a position in which the operating mechanism is accessible proximally of the body and the anchor extends distally. | 05-07-2015 |
20150201926 | MINIMALLY INVASIVE SURGICAL SUTURING DEVICE AND METHOD - A minimally invasive surgical suturing device has a shaft; a needle slideably coupled to the shaft and having a ferrule engaging end; and a guide tip having a ferrule receiving aperture and moveably coupled to the shaft for selectable movement between a retracted position and an enabled position. In a related method, a distal shaft end, having a guide tip in a retracted position, is passed through a minimally invasive entry point and into a body cavity. The guide tip having a ferrule receiving aperture is actuated into an enabled position such that an insertion profile of the guide tip and shaft in the enabled position is larger than an access dimension of the minimally invasive entry point. A needle, slideably coupled to the shaft and having a ferrule engaging end, is advanced on a path substantially parallel to the shaft, toward and in alignment with the ferrule receiving aperture. | 07-23-2015 |
Patent application number | Description | Published |
20080304726 | METHODS AND SYSTEMS FOR IMPROVING SPATIAL AND TEMPORAL RESOLUTION OF COMPUTED IMAGES OF MOVING OBJECTS - A method of improving a resolution of an image using image reconstruction is provided. The method includes acquiring scan data of an object and forward projecting a current image estimate of the scan data to generate calculated projection data. The method also includes applying a data-fit term and a regularization term to the scan data and the calculated projection data and modifying at least one of the data fit term and the regularization term to accommodate spatio-temporal information to form a reconstructed image from the scan data and the calculated projection data. | 12-11-2008 |
20090190814 | METHOD AND SYSTEM FOR IMAGE RECONSTRUCTION - Disclosed is an imaging system including a source generating an x-ray beam, a detector array receiving the x-ray beam and generating projection data, a translatable table configured for disposal of an object thereon and operable to translate in relation to the source and the detector array, the source and the detector array rotating about the translatable table to scan the object, and an image reconstructor electrically coupled to the detector array and configured to reconstruct an image in response to the projection data via an iterative reconstruction technique configured to perform a targeted statistical reconstruction. | 07-30-2009 |
20100054394 | METHOD AND SYSTEM FOR IMAGE RECONSTRUCTION - A method and system for image reconstruction of data acquired by a device such as computed tomography is provided. The method and system use a multi-stage statistical iterative reconstruction techniques to provide a three dimensional representation of the scanned object. In one embodiment, the first stage uses a projection-based reconstruction technique, such as Ordered Subset (OS) to converge on a solution for low frequency portion of the image. A subsequent stage uses a voxel-based reconstruction technique, such as Iterative Coordinate Descent (ICD), to converge on a solution for high frequency portions of the image. Systems and methods for reconstructing images from incomplete or partial projection data is also provided. | 03-04-2010 |
20100215140 | METHODS AND SYSTEMS TO FACILITATE CORRECTING GAIN FLUCTUATIONS IN ITERATIVE IMAGE RECONSTRUCTION - Methods and systems for reconstructing an image are provided. The method includes performing a tomographic image reconstruction using a joint estimation of at least one of a gain parameter and an offset parameter, and an estimation of the reconstructed image. | 08-26-2010 |
20110097007 | Iterative Reconstruction - An improved iterative reconstruction method to reconstruct a first image includes generating an imaging beam, receiving said imaging beam on a detector array, generating projection data based on said imaging beams received by said detector array, providing said projection data to an image reconstructor, enlarging one of a plurality of voxels and a plurality of detectors of the provided projection data, reconstructing portions of the first image with the plurality of enlarged voxels or detectors, and iteratively reconstructing the portions of the first image to create a reconstructed image. | 04-28-2011 |
20110150308 | SYSTEM AND METHOD OF ITERATIVE IMAGE RECONSTRUCTION FOR COMPUTED TOMOGRAPHY - A system and method include acquisition of a set of image data corresponding to a time period of data acquisition, the set of image data corresponding to a plurality of voxels, wherein each of the plurality of voxels corresponds to a distinct acquisition time within the time period of data acquisition. The system and method further include the modeling of the plurality of voxels as a function of time based on a plurality of kinetic parameters associated therewith and reconstruction of an image from the set of image data based on the modeled plurality of voxels. | 06-23-2011 |
20130010917 | SYSTEM AND METHOD OF ITERATIVE IMAGE RECONSTRUCTION FOR COMPUTED TOMOGRAPHY - A non-transitory computer readable storage medium having stored thereon a computer program having instructions, which, when executed by a computer, cause the computer to acquire a set of projection data corresponding to a plurality of image voxels and to calculate coefficients of a regularizing function configured to penalize differences between pairs of the plurality of voxels that are not immediate neighbors. The instructions also cause the computer to iteratively reconstruct an image from the set of projection data based on the regularizing function. | 01-10-2013 |
20130108128 | METHOD AND APPARATUS FOR ITERATIVE RECONSTRUCTION | 05-02-2013 |
20130343624 | METHODS AND SYSTEMS FOR PERFORMING MODEL-BASED ITERATIVE RECONSTRUCTION - A method for reconstructing image component densities of an object includes acquiring multi-spectral x-ray tomographic data, performing a material decomposition of the multi-spectral x-ray tomographic data to generate a plurality of material sinograms, and reconstructing a plurality of material component density images by iteratively optimizing a functional that includes a joint likelihood term of at least two of the material decomposed sinograms. An x-ray tomography imaging system and a non-transitory computer readable medium are also described herein. | 12-26-2013 |
20140161340 | ITERATIVE RECONSTRUCTION - An improved iterative reconstruction method to reconstruct a first image includes generating an imaging beam, receiving said imaging beam on a detector array, generating projection data based on said imaging beams received by said detector array, providing said projection data to an image reconstructor, enlarging one of a plurality of voxels and a plurality of detectors of the provided projection data, reconstructing portions of the first image with the plurality of enlarged voxels or detectors, and iteratively reconstructing the portions of the first image to create a reconstructed image. | 06-12-2014 |
20140369463 | SYSTEM AND METHOD OF ITERATIVE IMAGE RECONSTRUCTION FOR COMPUTED TOMOGRAPHY - A system and method include acquisition of projection data from a scanned object, the set of projection data comprising a plurality of projection measurements. The system and method also include calculation of a set of modified statistical weights from the projection data, wherein a respective modified statistical weight of the set of modified statistical weights comprises a deviation from an inverse variance of a corresponding projection measurement of the projection data. The system and method further include reconstruction of an image of the scanned object using the set of modified statistical weights as coefficients in an iterative reconstruction algorithm. | 12-18-2014 |
Patent application number | Description | Published |
20140330234 | ABSORBENT ARTICLES COMPRISING STRETCH LAMINATES - An absorbent article includes a chassis comprising a topsheet, a backsheet, and an absorbent core disposed between the topsheet and the backsheet, and at least one elastically elongatable panel joined to the chassis. The elastically elongatable panel includes a stretch laminate that has at least one cover layer and a pre-activated elastomeric film attached to the cover layer, the elastomeric film having two surfaces and a skin on at least one of the surfaces, and an adhesive disposed between the skin and the cover layer. The skin has a plurality of wrinkles, the wrinkles have furrows, and an ink is disposed in at least some of the furrows. At least some of the ink is covered by the adhesive such that at least some of the ink is disposed between the skin and the adhesive. | 11-06-2014 |
20140330238 | ABSORBENT ARTICLES COMPRISING STRETCH LAMINATES - An absorbent article includes a chassis comprising a topsheet, a backsheet, and an absorbent core disposed between the topsheet and the backsheet, and at least one elastically elongatable panel joined to the chassis. The elastically elongatable panel includes a stretch laminate that has at least one cover layer and a pre-activated elastomeric film attached to the cover layer, the elastomeric film having two surfaces and a skin on at least one of the surfaces. The skin has a plurality of wrinkles, the wrinkles have hills, and an ink is disposed on at least some of the hills. | 11-06-2014 |
Patent application number | Description | Published |
20080293600 | Multiple-Function Dispersant Graft Polymer - A grafted polymer, either polyolefin or polyester, containing monomers associated with sludge and varnish control as well as monomers associated with soot handling to provide a graft polymer exhibiting multiple performance attributes. Also described are methods for manufacturing these novel multiple-function graft polymers via solution and melt processes. Lubricating oil compositions containing these novel multiple-function polymers as an additive that display performance characteristics directed to good soot handling and sludge and varnish control as well as control of viscosity increase are described. | 11-27-2008 |
20110245119 | Multiple Function Graft Polymer - The composition and preparation of multifunctional graft polymers useful as dispersants are described. The dispersants described are suitable for controlling sludge and varnish as well as soot, friction and wear. The product is useful as a lubricant additive. | 10-06-2011 |
20110251112 | Graft Polymer and Related Methods and Compositions - The present invention relates to a graft polymer of (a) a polyalphaolefin having a weight average molecular weight of less than 15000 and a polydispersity of 1.1 to 10; (b) a nitrogenous, ethylenically unsaturated, aliphatic or aromatic, graftable monomer having from 2 to about 50 carbon atoms; and (c) an organo-metallic compound selected from organo-molybdenum, organo-titanium, organo-manganese compounds and mixtures thereof; a process for making the graft polymer; and a lubricating oil composition comprising a major amount of a base oil and a minor amount of the graft polymer. | 10-13-2011 |
20110287992 | MULTIFUNCTIONAL MULTIPLE GRAFT MONOMER LOW MOLECULAR WEIGHT POLYMER - The composition and preparation of multiple graft low molecular weight polymers useful as dispersants are described. The dispersants described are suitable for controlling sludge and varnish as well as soot. The product is useful as a lubricant additive and a fuel additive. | 11-24-2011 |
20140274834 | MULTIPLE FUNCTION DISPERSANT VISCOSITY INDEX IMPROVER - The present invention provides a multiple function dispersant viscosity index improver, a method of making the multiple function dispersant viscosity index improver, and a lubricating oil comprising the multiple function dispersant viscosity index improver. The multiple function dispersant viscosity index improver comprises two different functional groups, each directly grafted to a polymer backbone having graftable sites. The first functional group comprises the reaction product of an acylating agent and a first amine, the first amine comprising an aromatic primary amine, and the second functional group comprises the reaction product of an acylating agent and a second amine, the second amine comprising an aliphatic primary amine. The first functional group provides the dispersant viscosity index improver with soot handling performance attributes and the second functional group provides the dispersant viscosity index improver with sludge and varnish control performance attributes. | 09-18-2014 |
Patent application number | Description | Published |
20090266523 | SCALEABLE PARALLEL FLOW MICRO-CHANNEL HEAT EXCHANGER AND METHOD FOR MANUFACTURING SAME - Provided is a heat exchanger, heat sink or coldwall having a machined manifold for receiving a plurality of individual, modular micro-channel heat exchanger elements. The manifold further includes a parallel flow network or flow distribution network for distributing a cooling fluid uniformly to all micro-channel heat exchanger elements. Each micro-channel heat exchanger element is individually manufactured and tested prior to integration with the manifold. The design of the micro-channel heat exchanger elements may include a straight fin, a high density fin, lanced offset fin, and perforated offset layers fin configurations. | 10-29-2009 |
20100212145 | COMPACT CONTINUOUS GROUND PLANE SYSTEM - A compact continuous ground plane system is provided. In one embodiment, the invention relates to an assembly for forming a continuous ground plane for an antenna having at least two elements configured to move relative to one another, the ground assembly including a first element having a housing, a plunger disposed within the housing, a second element, a wear plate coupled to the second element, and a spring disposed between the plunger and the housing, the spring configured to urge the plunger toward the wear plate, where the plunger is configured to be moved within the housing and to make electrical contact with the wear plate. | 08-26-2010 |
20100231479 | LIGHT WEIGHT STOWABLE PHASED ARRAY LENS ANTENNA ASSEMBLY - A light weight stowable antenna lens array assembly is provided. In one embodiment, the invention relates to a stowable lens antenna array including at least one antenna pair including a transmit antenna on a first layered composite, a receive antenna on a second layered composite, a ground plane on a third layered composite, the ground plane being between and spaced apart from the transmit antenna and the receive antenna, and a balanced transmission line coupling the transmit antenna to the receive antenna, and an articulating structure attached to at least one of the first layered composite, the second layered composite and the third layered composite, the articulating structure having a collapsed configuration and an expanded configuration, wherein at least one of the first layered composite, the second layered composite and the third layered composite includes a polymeric film. | 09-16-2010 |
20110113619 | PROCESS FOR FABRICATING A THREE DIMENSIONAL MOLDED FEED STRUCTURE - A process for fabricating a three dimensional molded feed structure is provided. In one embodiment, the invention relates to a process for fabricating a three dimensional radio frequency (RF) antenna structure, the process including providing a flexible circuit substrate, forming a first preselected pattern of channels in the flexible circuit substrate, depositing a conductive layer on the formed flexible substrate, and removing portions of the conductive layer to form a plurality of conductive traces. | 05-19-2011 |
20110122033 | COOLING SYSTEM FOR PANEL ARRAY ANTENNA - The present invention relates to panel array antennas, and more particularly to a cooling system for an antenna such as a jet stream conformal panel array antenna. In one embodiment, a panel array antenna for an aircraft includes a closed-loop fluid flow path that passes through the panel array assembly and dissipates heat to the jet stream outside the aircraft. A fluid such as pressurized air passes through this closed-loop path, flowing through strategically-placed openings in the layers of the panel array assembly and flowing over and around the hot electrical components in the panel assembly. The air is heated by these electrical components, and the heated air then flows through the flow path under the top sheet, dissipating the heat to the jet stream outside. In one embodiment, a panel array antenna includes a panel assembly having a top layer through which the antenna radiates or receives a signal, and a fluid flow path through the panel assembly. A first portion of the fluid flow path is disposed below the top layer such that a fluid passing through the first portion of the fluid flow path is in heat transfer proximity to the top layer. | 05-26-2011 |
20110298684 | SYSTEMS AND METHODS FOR PROVIDING A RECONFIGURABLE GROUNDPLANE - Systems and methods for providing a reconfigurable groundplane are provided. In one embodiment, the invention relates to an antenna assembly having a reconfigurable groundplane, the assembly including a radio frequency (RF) feed, a plurality of radiating elements, a plurality of interconnects, each coupling one of the plurality of radiating elements to the RF feed, a first groundplane positioned between the RF feed and the plurality of radiating elements, a second groundplane positioned between the RF feed and the plurality of radiating elements, the second groundplane including at least one cavity for enclosing a liquid metal. | 12-08-2011 |
20130068436 | SCALEABLE PARALLEL FLOW MICRO-CHANNEL HEAT EXCHANGER AND METHOD FOR MANUFACTURING SAME - Provided is a heat exchanger, heat sink or coldwall having a machined manifold for receiving a plurality of individual, modular micro-channel heat exchanger elements. The manifold further includes a parallel flow network or flow distribution network for distributing a cooling fluid uniformly to all micro-channel heat exchanger elements. Each micro-channel heat exchanger element is individually manufactured and tested prior to integration with the manifold. The design of the micro-channel heat exchanger elements may include a straight fin, a high density fin, lanced offset fin, and perforated offset layers fin configurations. | 03-21-2013 |