1
Gill Bearnson, Gordon B Jacobs: Rotary blood pump diagnostics and cardiac output controller. World Heart Corporation, Holland & Hart, September 27, 2005: US06949066 (115 worldwide citation)

A method and apparatus for controlling a ventricular assist device are disclosed. The method includes the step of providing a ventricular assist device which can be defined in terms of operational parameters such as pump speed or current. Measuring at least one physiological parameter reflecting a p ...


2
Tofy Mussivand: Inflow conduit assembly for a ventricular assist device. World Heart Corporation, Killworth Gottman Hagan & Schaeff L, February 12, 2002: US06346071 (48 worldwide citation)

An inflow conduit assembly for conducting blood from a ventricle to a Ventricular Assistance Device (VAD) is provided. The assembly includes a rigid tube including an angled heart engaging end for insertion into a ventricle. The angled heart engaging end defines a long side for placement adjacent a ...


3
Jal S Jassawalla, David H LaForge, Phillip J Miller: Implantable ventricular assist device. World Heart Corporation, Coudert Brothers, July 24, 2001: US06264601 (45 worldwide citation)

An implantable ventricular assist device (VAD) has a small size to provide full-implantable capabilities. The VAD has two variable-volume chambers and an actuator for expelling blood from the chambers in sequence and to a common outlet, thus operating as a positive-displacement pump. The variable-vo ...


4
Jal S Jassawalla, Phillip J Miller, David H LaForge, Tofy Mussivand: Miniature, pulsatile implantable ventricular assist devices and methods of controlling ventricular assist devices. World Heart Corporation, Nixon Peabody, November 29, 2005: US06969345 (23 worldwide citation)

A pumping system for assisting either or both ventricles of the heart. In one embodiment, separate devices are provided for each ventricle. In another embodiment, one device provides both right and left pumping. The pumping system is small, efficient, atraumatic, and fully implantable. In addition, ...


5
Tim Maher, Jim Lee, Ron Ness, Herb Chen, Jesse Hubbard, Phillip J Miller, John Barr, James W Long, Karl Nelson: Implantable VAD with replaceable percutaneous cable. World Heart Corporation, Holland & Hart, February 26, 2013: US08382830 (22 worldwide citation)

There are disclosed apparatus and methods for replacing a percutaneous cable in connection with a vascular device. In an embodiment, the apparatus includes a distal disconnect coupler, a distal connector portion of the cable configured for removable connection with the distal disconnect coupler, and ...


6
Scott D Miles, Kent F Beck, Timothy R Nieman: Cannulation apparatus and method. World Heart Corporation, Holland & Hart, August 14, 2012: US08241309 (3 worldwide citation)

A remote cannulation assembly is disclosed for rapidly cannulating a body part such as a heart during a medical procedure. Cannulation is often conducted in procedures such as the installation of a ventricular assist device. The cannulation assembly of the invention utilizes an isolation valve to cr ...


7
Timothy R Nieman, Scott D Miles, Kent F Beck: Endoscopic cannulation apparatus and method. World Heart Corporation, Holland & Hart, October 23, 2012: US08292908 (1 worldwide citation)

A method and apparatus for remotely cannulating a body part are disclosed. The apparatus is an endoscopic cannulation apparatus having a fluid stasis assembly and a coring assembly. The fluid stasis assembly allows for the penetration of the body part and deployment of an occlusive device to prevent ...


8
Jassawalla Jal S, Miller Phillip J, Laforge David H, Mussivand Tofy: Miniature, pulsatile implantable ventricular assist devices and methods of controlling ventricular assist devices. World Heart Corporation, BARTELS Donald L, June 24, 2004: WO/2004/052172 (1 worldwide citation)

A pumping system for assisting either or both ventricles of the heart. In one embodiment, separate devices are provided for each ventricle. In another embodiment, one device provides both right and left pumping. The pumping system is small, efficient, atraumatic, and fully implantable. In addition, ...


9
W Kurt Dobson, Gill Bearnson: Direct sequence spread spectrum predictive cable and component failure technology. World Heart Corporation, Lerner David Littenberg Krumholz & Mentlik, April 22, 2014: US08706431

There are disclosed systems and methods of determining a fault location on a wire. In an embodiment, a system includes a PN code having a chip-time. Software code is provided for delaying the PN code a series of delays to form delayed PN samples, a sum of the series of delays being less than one chi ...


10
W Kurt Dobson, Ken Poppleton: Systems and methods for predicting characteristics of an artificial heart using an artificial neural network. World Heart Corporation, Lerner David Littenberg Krumholz & Mentlik, August 11, 2015: US09104977

A system configured to predict characteristics of an artificial heart is described. The system includes a processor and memory in electronic communication with the processor, and an artificial neural network configured to receive an input vector of a predetermined length to train the artificial neur ...