1
Richard K Wampler: Sealless rotary blood pump. HeartWare, George H Gerstman, Seyfarth Shaw, February 10, 2004: US06688861 (121 worldwide citation)

An implantable rotary sealless blood pump is provided. The pump includes a housing having an inlet tube on one end and an impeller casing on the other end. A rotor is mounted for rotation within the housing, with the rotor having an elongated shaft portion and an impeller attached to the shaft porti ...


2
Jeffrey A LaRose, Charles R Shambaugh Jr: Wide blade, axial flow pump. Heartware, John P White, Cooper & Dunham, April 20, 2010: US07699586 (68 worldwide citation)

A blood pump comprises a pump housing; a rotor positioned in the housing and comprising an impeller having a hydrodynamic surface for pumping blood; and a motor including a plurality of magnets carried by the impeller, plus a rotor stator, including an electrically conductive coil located adjacent t ...


3
Jeffrey A LaRose, Charles R Shambaugh: Stabilizing drive for contactless rotary blood pump impeller. Heartware, John P White, Cooper & Dunham, July 12, 2011: US07976271 (67 worldwide citation)

A rotary blood pump includes a casing defining a pumping chamber. The pumping chamber has a blood inlet and a tangential blood outlet. One or more motor stators are provided outside of the pumping chamber. A rotatable impeller is within the pumping chamber and is adapted to cause blood entering the ...


4
Raymond G Gauthier, David M Lancisi, Gregory L Morris: Method and apparatus for controlling brushless DC motors in implantable medical devices. Heartware, John P White Esq, Cooper & Dunham, November 21, 2006: US07138776 (59 worldwide citation)

Methods and apparatus for controlling a polyphase motor in implantable medical device applications are provided. In one embodiment, the polyphase motor is a brushless DC motor. The back emf of a selected phase of the motor is sampled while a drive voltage of the selected phase is substantially zero. ...


5
Jeffrey A LaRose, Charles R Shambaugh Jr, Kartikeyan Trichi, Richard A Marquis, Daniel G White: Axial flow pump with multi-grooved rotor. Heartware, John P White, Cooper & Dunham, August 30, 2011: US08007254 (53 worldwide citation)

An axial-flow blood pump for pumping blood includes a substantially cylindrical outer enclosure. A tubular housing concentric with and located within the outer enclosure has at one end an inlet and at an opposite end an outlet. A motor stator is concentric with and located between the outer enclosur ...


6
Jeffrey A LaRose, Charles R Shambaugh: Shrouded thrust bearings. Heartware, John P White, Cooper & Dunham, August 16, 2011: US07997854 (41 worldwide citation)

A rotary blood pump includes a casing defining a pumping chamber. The pumping chamber has a blood inlet and a tangential blood outlet. One or more motor stators are provided outside of the pumping chamber. A rotatable impeller is within the pumping chamber and is adapted to cause blood entering the ...


7
Richard K Wampler: Sealless rotary blood pump. Heartware, John P White, Cooper & Dunham, August 18, 2009: US07575423 (34 worldwide citation)

A rotary blood pump is provided which includes a pump housing and a rotor mounted for rotation with the housing. The rotor has an impeller. A rotor motor is provided including a plurality of permanent magnets carried by the impeller. A first motor stator is positioned on one side of the impeller and ...


8
Jung S Moon, Rong Liu, Alan R Kelley: Counter-top electric cooker. Heartware Home Products, Wood Phillips VanSanten Clark & Mortimer, March 13, 2001: US06201217 (33 worldwide citation)

A counter-top electric oven is provided that includes a number of features that prevent overheating of the components of the oven. These features include an actively cooled fan chamber, a hot gas vent, a cooling manifold that directs cooling air to cool the cooking enclosure and hot gas vented from ...


9
Long Sheng Yu, Peter Piferi, Steven M Parnis: Ventricular connector. HeartWare, George H Gerstman, Seyfarth Shaw, May 11, 2004: US06732501 (33 worldwide citation)

A ventricular apex connector for quick connection and disconnection of an inflow tube of a ventricular assist device, comprising a sewing ring, a cylindrical ring, gripping pins, a spring ring and a sealing O-ring is provided. The cylindrical ring defines two openings, diametrically opposed to each ...


10
Larose Jeffrey A, Shambauch Charles R Jr, White Daniel G, Marquis Richard A, White Steven A, Trichi Kartikeyan: Intravascular ventricular assist device. Heartware, WHITE John P, September 4, 2008: WO/2008/106103 (33 worldwide citation)

One aspect of an intravascular ventricular assist device is an implantable blood pump where the pump includes a housing defining a bore having an axis, one or more rotors disposed within the bore, each rotor including a plurality of magnetic poles, and one or more stators surrounding the bore for pr ...