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8092365 Resonant multilayered impedance pump  
A multilayered impedance pump is formed by an inner tube and an outer tube which have different mechanical characteristics. The outer tube is relatively stiff, and can be used for a structural...
8092363 Heart band with fillable chambers to modify heart valve function  
The present invention relates to an external heart device, having a layered band dimensioned to be received around a patient's heart, which also includes at least one fillable chamber between the...
8088059 Blood pump bearings with separated contact surfaces  
Rotary hydrodynamic blood pumps have been used to treat over a thousand patients. The Jarvik 2000 has supported a patient for seven years and uses blood immersed bearings washed by high flow to...
8079948 Article comprising an impeller  
An impeller for use in conjunction with a percutaneously-insertable blood pump or other rotatable equipment includes a blade that is segmented into a plurality of overlapping or abutting...
8075471 Apical torsion device for cardiac assist  
An apparatus for assisting a heart of a patient includes an actuator for wringing blood concurrently from both the right and left ventricles of the heart without contacting circulating blood of...
8070668 Controlled inflation of a pneumatic L-VAD  
A drive unit to control the peak pressure of air for the inflation of a left ventricular assist system is disclosed. The control of the peak pressure can address the problem of the “kick”...
8038646 Body-insertable apparatus and manufacturing method thereof  
A body-insertable apparatus which can make the volume smaller by simplifying a mechanism taking in or throwing out predetermined fluid is realized. The body-insertable apparatus has a...
8041410 Medical device sensing and detection during MRI  
A medical device includes a sensor for sensing for an MRI gradient magnetic field and a microprocessor for responding to the detected gradient magnetic field by switching from a first electrical...
8012079 Method and apparatus for long-term assisting a left ventricle to pump blood  
A method and apparatus for long-term assisting the left ventricle of a heart to pump blood is disclosed which includes at least one transluminally deliverable pump and a transluminally deliverable...
8007428 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...
8007254 Axial flow pump with multi-grooved rotor  
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...
8002691 Fluid pressure generating means  
A fluid pressure generating means (10) for a heart assist device having blood pumping means. The pressure generating means (10) includes a housing (11), defining an interior volume (18), and...
7998054 Implantable heart assist system and method of applying same  
An extracardiac pumping for supplementing the circulation of blood, including the cardiac output, in a patient without any component thereof being connected to the patient's heart, and methods of...
7993260 Implantable heart assist system and method of applying same  
An extracardiac pumping for supplementing the circulation of blood, including the cardiac output, in a patient without any component thereof being connected to the patient's heart, and methods of...
7993259 Percutaneous intra-aortic ventricular assist device  
A percutaneous intra-aortic ventricular assist device is adapted for implantation in an aorta that has a luminal wall, and includes a tubular stent body, an inner tubular body, a vane member, a...
7993258 In-vivo method and device for improving diastolic function of the left ventricle  
A method and device featuring at least one component providing a potential to kinetic converted elastic, magnetic repulsion, or, an elastic and magnetic repulsion, pushing, pulling, or, pulling...
7988728 Physiological demand responsive control system  
A demand responsive physiological control system for use with a rotary blood pump; said system including a pump controller which is capable of controlling pump speed of said pump; said system...
7988655 Catheter pump, catheter and fittings therefore and methods of using a catheter pump  
A catheter pump includes a catheter channel communicating with a distal end portion of the catheter for alternatingly leading fluid in proximal and distal directions. At least one outlet passage...
7981020 Transventricular implant tools and devices  
A method and implantation tools for placing a transventricular splint including a tension member. The method includes gaining access to the patient's hearts and identifying entry or exit points...
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...
7959551 Blood pump bearings with separated contact surfaces  
Rotary hydrodynamic blood pumps have been used to treat over a thousand patients. The Jarvik 2000 has supported a patient for seven years and uses blood immersed bearings washed by high flow to...
7959643 Intra-aortic balloon counterpulsation with concurrent hypothermia  
Devices, systems and methods for treating disorders characterized by low cardiac output. The devices, systems and methods use intra-aortic balloon counterpulsation in combination with hypothermia...
7955247 Systems for and methods of repair of atrioventricular valve regurgitation and reversing ventricular remodeling  
Methods of and devices for restoring the normal geometry of a heart, including but not limited to the structures supporting the atrioventricular valves. The techniques and devices described herein...
7942804 Replaceable expandable transmyocardial ventricular assist device  
A novel ventricular assist device is disclosed comprising a pump unit and a motor unit. The pump unit is made up of an impeller, an impeller housing, and a shaft. The impeller and/or the impeller...
7942805 VAD connector plug  
A plug which may be positioned in place of a Ventricular Assist Device (“VAD”) within a VAD connector mounted to the heart. The VAD connector may have at least one VAD-engaging feature and may...
7938767 Systems and methods for volume reduction  
Systems and methods are provided for reducing the effective volume of a cardiac ventricle. A ventricular volume reduction system may include a containment system or container body deliverable...
7935045 Device for proactive modulation of cardiac strain patterns  
The present invention provides methods, systems and devices that reduce dyskinesis and hypokinesis. The contoured heart assist device of the present invention includes a selectively inflatable...
7931578 Methods and system for tissue cavity closure  
Surgical systems for less invasive access to and isolation of an atrial appendage are provided. A suturing grasper compresses soft tissue structures and deploys one or more sutures through...
7922648 Myocardial infarction patch for minimally invasive implant  
A fixation section and a rim form a myocardial patch for implant in the pericardial space. The fixation section is adapted to promote fibrosis to secure the patch in place. The rim is secured to...
7914438 Ventricular restoration patch  
A ventricular patch to restore the ventricular architecture of the heart includes a sheet of biocompatible material having a generally oval configuration, and a continuous ring fixed to the sheet....
7905823 Devices, methods and systems for establishing supplemental blood flow in the circulatory system  
A blood circulation assist system comprising an inflow cannula having a lumen and an insertion device configured to be received therein and to facilitate insertion of a portion of the inflow...
7896832 Method and system for closed chest blood flow support  
A system for assisting flow of blood by a patient's heart. The system includes a transseptal cannula adapted to be inserted percutaneously in the jugular vein and extend through the atrial septum...
7887478 Percutaneous gas-line  
A percutaneous gas-line (10) for a medical device (14). The gas-line including a first gas-line part (10a) and a second gas-line part (10b). The first gas-line part (10a) is adapted to be wholly...
7887479 Sensorless flow estimation for implanted ventricle assist device  
A method of estimating the blood flow rate of a heart ventricle assist device which is positioned externally of, or implanted in, a patient. The assist device comprises a blood pump having a...
7887477 Method of improving cardiac function using a porous membrane  
A porous membrane is inserted into a ventricle of a heart. The porous membrane creates a relatively hemostatic volume in which a thrombus can grow. Blood can still pass through fenestrations of...
7878967 Heart failure/hemodynamic device  
An improved hemodynamic device may be collapsed and implanted percutaneously. The device includes at least one collapsible blade member and a rotary mover for rotating the blade member to provide...
7878966 Ventricular assist and support device  
A ventricular assist device to provide cardiac assistance to a damaged ventricle chamber. The ventricular assist device is formed of an ventricle body which is anchorable to spaced ventricle wall...
7877142 Methods and systems for cardiac remodeling via resynchronization  
Systems, methods and devices are provided for improving the hemodynamic efficiency of a patient's heart by implanting one or more reinforcement elements on or with the heart and providing...
7871366 Device for the modulation of cardiac end diastolic volume  
The present invention provides methods, systems, kits and devices that reduce dyskinesis and hypokinesis. For example, the direct compression cardiac device may be positioned about at least a...
7862500 Multiple partitioning devices for heart treatment  
This invention is directed to a system and method for partitioning a patient's heart chamber into a productive portion and a non-productive portion which are particularly suitable for treating...
7862499 Blood vessel wrap  
A wrap (20) for securing about a blood vessel (36) by encasing a section of the vessel. The wrap (20) being of thin flexible construction having two ends (22, 24) and two sides (26, 28). The wrap...
7861582 Flow rate estimation method of blood pump  
In a flow rate estimation method of a blood pump, a general flow rate estimation formula which includes a correction term is formed based on a plurality of blood pumps. Measured data obtained from...
7850593 Fluid pump  
A pumping system 10, FIG. 1, provides a physiological pulsatile flow and includes controller 121, a pump drive head 50 coupled to a motor 12 and a fluid housing 52 having at least one port 60. The...
7850592 Device for the epicardial support and/or resumption of cardiac activity  
A device for epicardial support and/or the assuming of cardiac activity having a double membrane (1) consisting of an elastic inner membrane (2) and a non-expandable outer membrane (3) as well as...
7850594 Pulsatile control system for a rotary blood pump  
A system for controlling the speed of a rotary blood pump. The system oscillates the speed of the pump to produce pulsed pressure at the outlet of the pump. The speed is oscillated synchronously...
7846083 Left ventricle assist device (LVAD)  
A pump has an elongated shell with a generally elliptical shape, an outer convex surface and an inner concave surface. A peripheral side edge located between the inner and outer surfaces...
7841976 Heart assist device with expandable impeller pump  
An impeller includes a hub and at least one blade supported by the hub. The impeller has a stored configuration in which the blade is compressed so that its distal end moves towards the hub, and a...
7841977 Devices and methods for absorbing, transferring and delivering heart energy  
A device for altering cardiac performance includes an energy absorbing element which absorbs cardiac pumping energy from at least a portion of the heart. The energy may be delivered to another...
7842003 Pulsatile fluid delivery system  
A system for delivering blood, cardioplegia solution, and other medications or fluids in a pulsatile flow pattern to a patient during cardiopulmonary bypass is disclosed. In a preferred...
7837610 System for improving diastolic dysfunction  
An elastic structure is introduced percutaneously into the left ventricle and attached to the walls of the ventricle. Over time the structure bonds firmly to the walls via scar tissue formation....