Patent application number | Description | Published |
20100150749 | CENTRIFUGAL PUMP WITH OFFSET VOLUTE - A pump includes: (a) an elongated pump housing having first and second ends; (b) a primary impeller mounted in the housing for rotation about an axis, the impeller comprising a plurality of vanes whose outer tips define an impeller plane; (c) an inlet disposed in fluid communication with the primary impeller; and (d) an annular volute housing communicating with the primary impeller and with an outlet, where the volute housing is axially offset from the impeller plane. | 06-17-2010 |
20100168848 | TWO-STAGE ROTODYNAMIC BLOOD PUMP | 07-01-2010 |
20100174231 | METHOD FOR PHYSIOLOGIC CONTROL OF A CONTINUOUS FLOW TOTAL ARTIFICIAL HEART - A method is provided of controlling a pump including a electrical motor coupled to a rotor which carries first and second impellers at opposite ends thereof. The method includes: (a) driving the rotor using the motor, so as to circulate fluid from the first impeller through a first fluid circuit, the second impeller, a second fluid circuit, and back to the first impeller; (b) determining a resistance of the first fluid circuit, based on a first motor parameter; (c) determining a flow rate through the first fluid circuit based on a second motor parameter; and (d) varying at least one operational parameter of the pump so as to maintain a predetermined relationship between the flow rate and the resistance of the first fluid circuit. | 07-08-2010 |
20120328460 | TWO-STAGE ROTODYNAMIC BLOOD PUMP - A pump includes a housing, a stator supported in the housing, and a rotor assembly including a rotor supported in the housing for rotation relative to the stator about an axis. The stator includes a stator core, a first lamination wound around an axial portion of the stator core, and a second lamination wound around a second axial portion of the stator core. The first and second laminations are spaced from each other along the length of the stator core. The rotor includes a rotor core, a first magnet assembly that extends around an axial portion of the rotor core, and a second magnet assembly that extends around a second axial portion of the rotor core. The first and second magnet assemblies are spaced from each other along the length of the rotor. | 12-27-2012 |
20140172087 | METHOD FOR PHYSIOLOGIC CONTROL OF A CONTINUOUS FLOW TOTAL ARTIFICIAL HEART - A method is provided of controlling a pump including a electrical motor coupled to a rotor which carries first and second impellers at opposite ends thereof. The method includes: (a) driving the rotor using the motor, so as to circulate fluid from the first impeller through a first fluid circuit, the second impeller, a second fluid circuit, and back to the first impeller; (b) determining a resistance of the first fluid circuit, based on a first motor parameter which is a function of electrical power delivered to the motor; (c) determining a flow rate through the first fluid circuit based on a second motor parameter which is a function of electrical power delivered to the motor; and (d) varying at least one operational parameter of the pump so as to maintain a predetermined relationship between the flow rate and the resistance of the first fluid circuit. | 06-19-2014 |
Patent application number | Description | Published |
20080228248 | THERMAL THERAPY SYSTEM - A thermal therapy device ( | 09-18-2008 |
20090255084 | Removable Battery Pack with Latching Mechanism - A latching assembly for a removable battery package to an electrically powered cleaning device is provided along with the electrically powered cleaning device and the electrical combination with the battery charger. The latching assembly on the battery package comprises at least one moveable first engagement member, in movable cooperation with at least one rod which is in movable cooperation with a user contact. The first engagement member secures the removable battery package with another engagement member associated at least with the cleaning device. The first engagement member is located toward a side of a long end of the battery package opposite the end with the user contact Moving the user contact moves the member through the rod between an engaged position to thereby secure the battery package to the cleaning device and an unengaged position for removal of the battery package from the cleaning device. | 10-15-2009 |
20100088843 | BATTERY POWERED CORDLESS CLEANING SYSTEM - A cordless, battery-powered system of cleaning products. The system of cleaning products includes devices such as upright vacuums (e.g., a stick vacuum, a lightweight upright vacuum, etc.), a hand-held vacuum, a carpet-cleaner, a canister vacuum, and the like. Each of the devices is powered by a battery pack which is interchangeable among the devices. The battery pack includes a combination of hardware and software for connecting to, identifying, and communicating with the cleaning products to ensure that each of the products receives the power necessary to ensure optimal performance. | 04-15-2010 |
20120022582 | NASAL DILATOR - A nasal dilator that includes an upper resilient member for dilating the nasal valve and a lower resilient member for dilating the nostrils. The upper resilient member and lower resilient member may be attached to one another by a flexible substrate having a middle portion that is narrower in length than the upper or lower resilient members. The nasal dilator also may have adhesive tabs extending downwardly from the lower portion of the substrate on either side of the nose and towards the nostril entry, for temporary attachment to the side of the nasal vestibule to reduce nostril collapse. The nasal dilator also may include bendable or configurable hooks extending downwardly from the lower portion of the substrate and towards the nostril entrance for insertion into the nostril to reduce nostril collapse. | 01-26-2012 |
20120317743 | BATTERY POWERED CORDLESS CLEANING SYSTEM - A cordless, battery-powered system of cleaning products. The system of cleaning products includes devices such as upright vacuums (e.g., a stick vacuum, a lightweight upright vacuum, etc.), a hand-held vacuum, a carpet-cleaner, a canister vacuum, and the like. Each of the devices is powered by a battery pack which is interchangeable among the devices. The battery pack includes a combination of hardware and software for connecting to, identifying, and communicating with the cleaning products to ensure that each of the products receives the power necessary to ensure optimal performance. | 12-20-2012 |
20130152333 | BATTERY POWERED CORDLESS CLEANING SYSTEM - A cordless, battery-powered system of cleaning products. The system of cleaning products includes devices such as upright vacuums (e.g., a stick vacuum, a lightweight upright vacuum, etc.), a hand-held vacuum, a carpet-cleaner, a canister vacuum, and the like. Each of the devices is powered by a battery pack which is interchangeable among the devices. The battery pack includes a combination of hardware and software for connecting to, identifying, and communicating with the cleaning products to ensure that each of the products receives the power necessary to ensure optimal performance. | 06-20-2013 |
20140041149 | VACUUM CLEANER INCLUDING A REMOVABLE CANISTER ASSEMBLY - A vacuum cleaner includes a base having a foot and a handle assembly pivotally coupled to the foot, and a canister assembly removably supported by the base. The vacuum cleaner also includes a first engagement member extending from one of the base and the canister assembly. The first engagement member engages the other of the base and the canister assembly to support the canister assembly on the base and inhibit the canister assembly from sliding side-to-side relative to the base. The vacuum cleaner further includes a second engagement member supported by one of the base and the canister assembly. The second engagement member engages the other of the base and the canister assembly to inhibit movement of the canister assembly away from the handle assembly when the canister assembly is supported on the base by the first engagement member. | 02-13-2014 |
20140101887 | BATTERY POWERED CORDLESS CLEANING SYSTEM - A cordless, battery-powered system of cleaning products. The system of cleaning products includes devices such as upright vacuums (e.g., a stick vacuum, a lightweight upright vacuum, etc.), a hand-held vacuum, a carpet-cleaner, a canister vacuum, and the like. Each of the devices is powered by a battery pack which is interchangeable among the devices. The battery pack includes a combination of hardware and software for connecting to, identifying, and communicating with the cleaning products to ensure that each of the products receives the power necessary to ensure optimal performance. | 04-17-2014 |
Patent application number | Description | Published |
20120080037 | NASOPHARYNGEAL AIRWAY - A nasopharyngeal airway for providing an air passage through a nose to a nasopharynx includes a cannula having a proximal open end, a distal closed end, and a sidewall surrounding a lumen of the cannula. The nasopharyngeal airway has an opening in the sidewall at a distal portion of the cannula for providing fluid communication between a distal portion of the lumen and the nasopharynx when the cannula is inserted into the nose and a conduit in the sidewall of the cannula, the conduit having an opening adjacent to the proximal open end of the cannula and a conduit opening in a distal portion of the cannula for providing fluid communication between the conduit and the distal portion of the lumen. | 04-05-2012 |
20130019872 | NASOPHARYNGEAL AIRWAY - An anatomically designed egg-shaped or elliptical-shaped nasopharyngeal airway for providing a comfortable and safe air passage through a nose to a nasopharynx includes a cannula having a proximal open end, a distal end, and a sidewall surrounding a lumen of the cannula. The nasopharyngeal airway has a port, which includes two or more openings separated by one or more bridges, in the sidewall, at a distal portion of the cannula. Upper and lower conduits may be located in channels of the sidewall of the cannula for delivery of oxygen and measurement of CO | 01-24-2013 |
20150188102 | REMOVABLE BATTERY PACK WITH LATCHING MECHANISM - A battery pack configured to supply power to a cleaning system and be received by a battery receptacle of the cleaning system. The battery pack includes a housing including an aperture, a user contact moveable between a first position and a second position, a moveable member that moves from a retracted position to a protruded position when the user contact moves from the first position to the second position, and an engagement member that moves from a latched position to an unlatched position when the moveable member moves from the retracted position toward the protruded position. A portion of the moveable member extends through the aperture of the housing when the moveable member is in the protruded position to eject the battery back from the battery receptacle. | 07-02-2015 |