Patent application number | Description | Published |
20090270956 | IMPLANTABLE MEDICAL LEAD CONFIGURED FOR IMPROVED MRI SAFETY - Disclosed herein is an implantable medical lead for coupling to an implantable pulse generator and configured for improved MRI safety. In one embodiment, the lead includes a tubular body, an electrode, an electrical conductor, and a shield layer. The tubular body includes a proximal end and a distal end. The electrode is operably coupled to the tubular body near the distal end. The electrical conductor extends distally through the body from the proximal end and electrically connects to the electrode. The shield layer extends through the tubular body between the proximal and distal ends. The shield layer is configured to reduce an amount of current induced in the electrical conductor when present in an electromagnetic field as compared to the current that would be induced in the electrical conductor absent the shield layer. | 10-29-2009 |
20110071607 | IMPLANTABLE MEDICAL LEAD AND METHOD OF MAKING SAME - An implantable medical lead is disclosed herein. The lead may include a longitudinally extending body, an electrical conductor, a tube and an electrical component, such as, for example, an electrode for sensing or pacing, a defibrillation coil, a strain gage, a pressure sensor, a piezoelectric sensor, an integrated chip, an inductor, etc. The body may include a distal end and a proximal end. The electrical conductor may extend through the body between the proximal end and the distal end. The tube may be swaged about an outer circumferential portion of the electrical conductor. The electrical component may be on the body and electrically connected to the tube. | 03-24-2011 |
Patent application number | Description | Published |
20110218602 | BRAIDED IMPLANTABLE MEDICAL LEAD AND METHOD OF MAKING SAME - An implantable medical lead disclosed herein may include a longitudinally extending body, a helical anchor and a lead connector end. The longitudinally extending body may include a distal end, a proximal end, a braid-reinforced inner tubular layer extending between the proximal and distal ends, and an outer tubular layer extending between the proximal and distal ends. The braid-reinforced inner tubular layer may extend through the outer tubular layer in a coaxial arrangement. The helical anchor electrode may be operably coupled to a distal end of the braid-reinforced inner tubular layer. The lead connector end may be operably coupled to the proximal end of the body and include a pin contact operably coupled to a proximal end of the braid-reinforced tubular layer. Rotation of the pin contact relative to the lead connector end may cause rotation of the braid-reinforced inner tubular layer within the outer tubular layer, and the resulting rotation of the braid-reinforced inner tubular layer may cause rotation of the helical anchor electrode. | 09-08-2011 |
20110218603 | CRIMP TERMINATIONS FOR CONDUCTORS IN IMPLANTABLE MEDICAL LEAD AND METHOD OF MAKING SAME - A method of manufacturing an implantable medical lead is disclosed herein. The method may include: providing a lead body including a proximal end, a distal end, and an electrode near the distal end; provide a conductor extending between the proximal and distal ends; providing a crimp including a ribbon-like member and extending the ribbon-like member around the conductor; and mechanically and electrically connecting the ribbon-like member to the electrode. | 09-08-2011 |
20120197141 | IMPLANTABLE ECHO DOPPLER FLOW SENSOR FOR MONITORING OF HEMODYNAMICS - Systems, devices and methods of monitoring blood flow velocity are disclosed herein. For example, one method of monitoring blood flow velocity includes: locating a blood flow velocity sensor near the ostium in the coronary sinus; and sensing towards a portion of the aorta. A second example method includes: locating a blood flow velocity sensor in a vein; and sensing towards an adjacent artery. A third example method includes: locating a blood flow velocity sensor near the tricuspid valve; and sensing towards a tricuspid valve annulus. A fourth example method includes: locating a blood flow velocity sensor right ventricular outflow tract; and sensing towards a portion of the aorta. A fifth example method includes: locating a blood flow velocity sensor in the great cardiac vein; and sensing towards a left anterior descending artery. A sixth example method includes: locating a blood flow velocity sensor in the right atrial appendage; and sensing towards a portion of the aorta. | 08-02-2012 |
Patent application number | Description | Published |
20090071190 | CLOSED CYCLE MIXED REFRIGERANT SYSTEMS - The present invention provides for a process for providing cooling and controlling the refrigeration in a cooling loop used in the production of liquefied natural gas. A cooling loop in contact with a heat exchanger contains a refrigerant composition and by controlling the amount of a component in the refrigerant composition, the necessary level of cooling provided to the heat exchanger can be maintained. | 03-19-2009 |
20120058045 | GAS FROM LANDFILL FOR USE IN HYDROGEN PRODUCTION - Methane collected from a landfill is used as a feedstock for the production of hydrogen in a steam methane reformer. This invention provides a green energy feed stock for the hydrogen production that benefits the environment. | 03-08-2012 |
20120067079 | NITROGEN REJECTION AND LIQUIFIER SYSTEM FOR LIQUIFIED NATURAL GAS PRODUCTION - A method for recovering liquefied natural gas from a gas mixture containing natural gas and impurities by subjecting the natural gas to a series of steps beginning with feeding a natural gas stream containing impurities to a nitrogen rejection unit; feeding the purified natural gas stream to a liquefier heat exchanger; expanding the liquefied natural gas and feeding the expanded liquefied natural gas to a flash vessel; flashing the liquid natural gas and separating the liquefied natural gas from the flash gas; and feeding the liquefied natural gas to storage and the flash gas to the nitrogen rejection unit. | 03-22-2012 |
20120085232 | METHODS FOR REMOVING CONTAMINANTS FROM NATURAL GAS - A method for removing contaminants from natural gas streams. The natural gas stream is fed to a dryer, then a membrane module and a multibed, multilayer vacuum swing adsorption process for removal of oxygen, nitrogen and carbon dioxide from the natural gas stream. Alternatively when carbon dioxide is in relatively low concentration in the natural gas stream, the membrane module step is not employed. | 04-12-2012 |
20120231127 | FOAMING BEVERAGES CONTAINING LIPIDS - A method for making a foaming beverage includes providing a beverage having at least one lipid-based ingredient therein and mixing nitrous oxide with said beverage. A beverage having a foam composition includes a liquid having at least one lipid-based ingredient therein and nitrous oxide mixed into the liquid. The nitrous oxide may be in gas phase. | 09-13-2012 |
20130205828 | INTEGRATION OF A LIQUEFIED NATURAL GAS LIQUEFIER WITH THE PRODUCTION OF LIQUEFIED NATURAL GAS - A method for integrating a liquefied natural gas liquefier system with production of liquefied natural gas from a methane-containing gas stream. The liquefied natural gas is produced by feeding a methane-containing gas stream through a heat exchanger to a distillation column and liquefying the natural gas while capturing the gaseous nitrogen. The liquefied natural gas is captured and the nitrogen gas is recovered, fed through the heat exchanger to recover cold and purified. | 08-15-2013 |
20140262285 | METHODS FOR FRACCING OIL AND GAS WELLS - A method for stimulating or fraccing an oil or a natural gas well by adding a liquefied hydrocarbon such as liquid petroleum gas and liquefied natural gas, a proppant and a diluent such as carbon dioxide, nitrogen or mixtures thereof to the well. The order of addition is typically liquefied hydrocarbon then diluent but this order can be reversed and in other circumstances the liquefied hydrocarbon and diluent can be mixed together and fed to the well as a mixture. | 09-18-2014 |
20140318177 | INTEGRATION OF A LIQUEFIED NATURAL GAS LIQUEFIER WITH THE PRODUCTION OF LIQUEFIED NATURAL GAS - A method for integrating a liquefied natural gas liquefier system with production of liquefied natural gas from a methane-containing gas stream. The liquefied natural gas is produced by feeding a methane-containing gas stream through a heat exchanger to a distillation column and liquefying the natural gas while capturing the gaseous nitrogen. The liquefied natural gas is captured and the nitrogen gas is recovered, fed through the heat exchanger to recover cold. | 10-30-2014 |
20140338393 | METHODS FOR BLENDING LIQUEFIED NATURAL GAS - A method for producing a blended mixture of liquefied natural gases to meet the particular requirements of an operator at a production facility, application site or a fueling station by blending together a lean liquefied natural gas and a rich liquefied natural gas. The operator can control through a device such as a heat exchange blending system the composition of the end product mixed liquefied natural gas for its intended end use. | 11-20-2014 |