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| Number | Title | Issue Date |
| 8425398 | Blood flow meter Materials and methods related to blood pump systems are described. These can be used in patients to, for example, monitor arterial pressure, measure blood flow, maintain left ventricular pressure within a particular range, avoid left ventricular collapse, prevent fu... | 04/23/2013 |
| 8353813 | System and method for assisted partitioning of body conduits A treatment strategy for treatment of elevated pressure in a body conduit, such as a pulmonary vein, with a prosthetic partitioning device for placement in and/or about pulmonary veins is described, as well as delivery systems, and strategies for use thereof. A cont... | 01/15/2013 |
| 8323173 | Method and system for physiologic control of an implantable blood pump A physiologic control method and system for an implantable blood pump includes operating the pump at a predetermined speed and monitoring the patient's diastolic pump flow rate. The predetermined speed is varied in response to the diastolic pump flow rate. The pump ... | 12/04/2012 |
| 8323174 | Skin interface for ventricular assist device Devices and methods are disclosed for implanting, positioning, removing, replacing and operating intra-aortic balloon pumps. ... | 12/04/2012 |
| 8303482 | Method and system for physiologic control of a blood pump A physiologic control system and method for controlling a blood pump system such as a VAD system. The pump system includes, for example, a blood pump and a controller for controlling the pump. The system may further include a flow measurement device. A desired peak ... | 11/06/2012 |
| 8226543 | ECG rhythm advisory method A method of automatically determining which type of treatment is most appropriate for a cardiac arrest victim, the method comprising transforming one or more time domain electrocardiogram (ECG) signals into a frequency domain representation comprising a plurality of... | 07/24/2012 |
| 8162813 | Method and device for the intermittent occlusion of a vein draining the organ system In a method for the intermittent occlusion of a vein draining the organ system, in which the vein is occluded by an occlusion device, the fluid pressure in the occluded vein is continuously measured and stored, the behavior of the fluid pressure is determined as a f... | 04/24/2012 |
| 8142343 | Suprapatellar external counterpulsation apparatus An external counterpulsation apparatus has an efficient cuff and bladder system. Embodiments of this system generally allow effective treatment at lower pressures and a reduced total body surface area being compressed. An accurate and reliable combination of automat... | 03/27/2012 |
| 8075472 | Permanent ventricular assist device for treating heart failure The invention is a kit for a permanent ventricular assist device that can be permanently implanted into the circulatory system of a patient. The kit comprises one or more passive cores (Pcore), a stator, a power supply, and a controller unit. The inventors have real... | 12/13/2011 |
| 8066628 | Intra-aortic balloon pump and driver Devices and methods are disclosed for implanting, positioning, removing, replacing and operating intra-aortic balloon pumps. ... | 11/29/2011 |
| RE42958 | Devices and methods for non-invasively improving blood circulation Circulatory assistance is provided in a non-invasive procedure safely and effectively using a microprocessor of an external counter pulsation device programmed to control the actuation of any or all of a plurality of valves, each of which is mounted on and in fluid ... | 11/22/2011 |
| 7988614 | Organ assist system and method An organ assist system having a closed fluid system having a ring-shaped prosthetic contactively surrounding at least a portion of a body part, including bladders adapted for selectable dilation and contraction in response to varying fluid pressure therewithin, a fl... | 08/02/2011 |
| 7963905 | Control system for a blood pump A method of controlling the speed of a blood pump, wherein the method includes the steps of deriving an estimated pulsatility index from speed, then deriving an estimated blood pressure from estimated pulsatility index; and maintaining target blood flow rate near to... | 06/21/2011 |
| 7951062 | Blood pump system and method of operation A blood pump system includes a blood pump having a motor with a rotor and a stator. The stator has a plurality of stator windings situated therein. A motor controller is coupled to the motor, and a processor has inputs coupled to the motor controller for receiving a... | 05/31/2011 |
| 7828711 | Method and apparatus for modulating cellular growth and regeneration using ventricular assist device A system delivers combined ventricular assist device (VAD) therapy and chemical and/or biological therapy to modulate myocardial tissue growth in a heart after myocardial infarction (MI). The system includes an agent delivery device to release one or more agents to ... | 11/09/2010 |
| 7766814 | Vessel or sac wall treatment and a cardiac assist device The present invention provides a device and method of treating a vessel in a human or animal body. ... | 08/03/2010 |
| 7666131 | Peri-arterial blood flow booster A peri-arterial blood flow booster apparatus for improving blood pressure and flow, to be implanted around a blood vessel of a patient. The booster comprises a pressure applying device (56) comprising at least one balloon (44), placed alongside a porti... | 02/23/2010 |
| 7662086 | Detection and/or monitoring of diastolic heart failure In an implantable medical device for detecting and/or monitoring the progression of diastolic heart failure (DHF), and a corresponding method, a parameter is measured that is indicative of left ventricular ejection fraction (LVEF), and a variable is also measured th... | 02/16/2010 |
| 7645225 | Chronic performance control system for rotodynamic blood pumps In a left ventricular assist device (LVAD) a rotodynamic blood pump (10) is powered by a brushless DC motor (12). A power supply (14) supplies power to the motor (12). Three feedback channels, one for each of voltage, current, and motor s... | 01/12/2010 |
| 7614998 | Fully-implantable cardiac recovery system Apparatus (20) is provided including an inflatable bladder (40), adapted to be coupled to a blood vessel (22) of a subject (18) carrying oxygenated blood, such that an interior of the bladder (40) is in fluid communication with the... | 11/10/2009 |
| 7597659 | Suprapatellar external counterpulsation apparatus An external counterpulsation apparatus has an efficient cuff and bladder system. Embodiments of this system generally allow effective treatment at lower pressures and a reduced total body surface area being compressed. An accurate and reliable combination of automat... | 10/06/2009 |
| 7563225 | Artificial heart pump system and its control apparatus An artificial heart pump system wherein the load of a processor in a controller used for a blood pump system is reduced and the performance of the hardware is maintained or guarantied, and the artificial heart pump system is provided independently with a controlling... | 07/21/2009 |
| 7520850 | Feedback control and ventricular assist devices Various devices, systems and methods for providing effective, long term and reliable use of pressure feedback in VADs. Exemplary embodiments are described which provide for direct LV pressure measurement, non-invasive calibration techniques to detect ventricular col... | 04/21/2009 |
| 7494459 | Sensor-equipped and algorithm-controlled direct mechanical ventricular assist device A process for assisting the function of a heart disposed within a body, and comprising an outer wall, comprising the steps of measuring at least one parameter that is indicative of the function of the heart, applying a compressive force to a portion of the outer wal... | 02/24/2009 |
| 7410459 | Cardiac support device and method The invention relates to a cardiopulmonary bypass pump that can be used with medication to put the heart into asystole or near asystolic status. The patent describes equipment used in conjunction with medication to temporarily replace the function of the heart and t... | 08/12/2008 |
| 7396327 | Blood pump system and method of operation A blood pump system includes a blood pump having a motor with a rotor and a stator. The stator has a plurality of stator windings situated therein. A motor controller is coupled to the motor, and a processor has inputs coupled to the motor controller for receiving a... | 07/08/2008 |
| 7374574 | Device for axially conveying body fluids The invention relates to a device for axially conveying body fluids. The aim of the invention is to embody the inflow and outflow area of an axial pump in such a way that the flow is not separated even when it is diverted, thereby maintaining a substantially non-dis... | 05/20/2008 |
| 7373207 | Treatments for a patient with congestive heart failure The invention is directed to devices for two minimally invasive therapeutic procedures, particularly for patients with congestive heart failure. One procedure involves providing a valve to form a passageway through the patient's left ventricular wall at the apex of ... | 05/13/2008 |
| 7367959 | Device for cardiocirculatory assistance A device for cardiocirculatory assistance, also named a ventricular assist device, includes a haematic pump (50) with a pump body (7) having an inner space (21) defined by a rigid structure (51) and a pair of mobile membranes (16, 17 | 05/06/2008 |
| 7361137 | Surgical procedures and devices for increasing cardiac output of the heart Methods and devices for passively assisting the cardiac function of the heart are disclosed. A method of increasing the cardiac output of a heart includes providing a site of surgical access to the portion of the heart to be restrained, reducing the cardiac expansio... | 04/22/2008 |
| 7347810 | Device for draining the coronary sinus A device for draining a coronary sinus comprises a first catheter having a distal end, a proximal end, and a passage there through, the distal end adapted to be placed in a coronary sinus, a second catheter having a distal end, a proximal end, and a passage there th... | 03/25/2008 |
| 7338517 | Tissue scaffold having aligned fibrils and artificial tissue comprising the same A tubular tissue scaffold is described which comprises a tube having a wall, wherein the wall includes biopolymer fibrils that are aligned in a helical pattern around the longitudinal axis of the tube where the pitch of the helical pattern changes with the radial po... | 03/04/2008 |
| 7338521 | Low profile inlet for an implantable blood pump A low profile pump inlet for an implantable blood pump is disclosed. The low profile pump inlet has an inflow diffuser for attachment to a conduit bearing an inflow of a fluid such as blood and an outflow orifice in fluid connection with the diffuser. The outflow or... | 03/04/2008 |
| 7338436 | Implantable cardiac physical motion mapping device An elastic framework configured to be positioned around a portion of the heart has a plurality of first regions and a plurality of second regions positioned relative to the first regions. The framework allows for the positioning of the first regions and second regio... | 03/04/2008 |
| 7338434 | Method and system for organ positioning and stabilization This invention provides a heart positioning device, method and system for positioning, manipulating, holding, grasping, immobilizing and/or stabilizing a heart. The heart positioning device may include a suction head and a shaft with a means for remotely changing th... | 03/04/2008 |
| 7331922 | Method and device for the intermittent occlusion of the coronary sinus A method and apparatus are provided for the intermittent occlusion of a coronary sinus. The method includes occluding the coronary sinus with an occlusion device, continuously measuring the fluid pressure in the occluded coronary sinus and defining measured pressure... | 02/19/2008 |
| 7320665 | Cardiac Ventricular Geometry Restoration Device and Treatment for Heart Failure Methods for cardiac ventricular restoration include delivering an implantable expandable device into the ventricle via a catheter. The expandable device is anchored either to the wall of the left ventricle or to the inter-ventricular septum and then expanded. When e... | 01/22/2008 |
| 7320320 | Determination of patency of the airway Methods and apparatus for determining the occurrence of an apnea, patency and/or partial obstruction of the airway are disclosed. Respiratory air flow from a patient is measured to give an air flow signal. The determination of an apnea is performed by calculating th... | 01/22/2008 |
| 7311724 | Method for controlling a patient's body temperature The present invention provides a method and apparatus for controlling the internal body temperature of a patient. According to the present invention, a catheter is inserted through an incision into a large blood vessel of a patient. By selectively heating or cooling... | 12/25/2007 |
| 7303581 | Artificial heart using magnetohydrodynamic propulsionh An implantable artificial heart apparatus which has no moving parts. It employs the technology of magnetohydrodynamics (MHD) to induce flow of human blood. An MHD propulsion unit is a device which applies magnetic and electric fields to blood to propel the conductiv... | 12/04/2007 |
