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6561969 Method of reducing the volume of the heart  
Disclosed is a closure catheter, and methods for reducing the volume of a body cavity such as a vessel, or a portion of the heart. The closure catheter includes a plurality of deployable tissue...
6544167 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....
6540659 Cardiac assistance systems having bi-directional pumping elements  
A unified, non-blood contacting, implantable heart assist system surrounds the natural heart and provides circumferential contraction in synchrony with the heart's natural contractions. The...
6537315 Auxiliary artificial heart of an embedded type  
An artificial heart has a driving section, a nozzle section, a pump section for insertion into a ventricle of a human heart, and a sealing section forming a seal for a driving shaft extending from...
6533716 Self-deploying axial-flow pump introduced intravascularly for temporary cardiac support  
The axial-flow pump for introduction through the vascular system of a patient has a flexible compressible tube (1) forming the pump housing. A radially compressible rotor (7) is located within the...
6530876 Supplemental heart pump methods and systems for supplementing blood through the heart  
Systems and methods of supplementing blood flow from the heart of a patient involving superficial, non-invasive procedures. In one general method, a first conduit is directed into the left side of...
6527698 Active left-right flow control in a two chamber cardiac prosthesis  
A biventricular cardiac prosthesis has a flow balance control system to balance blood flow through the left and right sides of the prosthesis to maintain a patient's left atrial pressure within...
6520904 Device and method for restructuring heart chamber geometry  
A geometric reconfiguration assembly for the natural heart having a collar configured for surrounding the natural heart. The collar can include a plurality of supports configured for positioning...
6514226 Method and apparatus for treatment of congestive heart failure by improving perfusion of the kidney  
A method for treating congestive heart failure (CHF) has been developed that restores kidney renal functions by artificially perfusion of at least one kidney. The kidney is perfused with the...
6511413 Single cannula ventricular-assist method and apparatus  
A system for assisting the failing ventricle, which utilizes a single blood displacement chamber and a single cannula. The cannula is inserted into the failing ventricle cavity and is connected to...
6508787 System for actively supporting the flow of body fluids  
The present invention relates to a device for actively supporting the flow of body fluids, comprising an artificial flow guide system (10) with an operational area into which a pump (1) is...
6494825 System for stress relieving the heart muscle and for controlling heart function  
An apparatus and method for relieving stress on a heart muscle tissue in a wall of a heart having a chamber. A plurality of biocompatible and implantable elongate strips are configured to be...
6471633 Mechanical auxillary ventricle blood pump with reduced waist portion  
An apparatus adapted to be inflated and deflated in response to selective communication with a source of pressurized fluid includes a bladder having a semi-rigid shell body portion and a...
6468041 Magnetically levitated apparatus  
There is provided a magnetically levitated apparatus wherein an impeller has one side supported by an electromagnet and the other side supported and magnetically levitated by an attractive force...
6461351 Energy delivery system and method for performing myocardial revascularization  
An energy delivery system for performing myocardial revascularization on a heart of a patient including an energy pulse source that produces energy pulses sufficient to create channels in a wall...
6450942 Method for reducing heart loads in mammals  
A method and apparatus for treating a mammal or other living organism having a heart and a peripheral vascular system to achieve a heart load reduction, said organism having a pulse rate and a...
6439237 Anterior segment coronary restoration apparatus and method  
The symptoms of congenital heart failure are addressed in this surgical procedure for mounting a patch in the ventricle of the heart to reduce ventricular volume. Placement of the patch is...
6436027 Hydrodynamic blood bearing  
A hydrodynamic blood bearing includes a piston disposed coaxially in a housing bore. The piston includes a cylindrical outer surface journal spaced from the bore to define a first radial gap for...
6432039 Methods and apparatus for reinforcement of the heart ventricles  
A device for treating heart disorders, and particularly cardiomyopathy. The device is comprised of a compliant containment structure shaped in a configuration such that it surrounds and encases...
6428464 Implantable heart assist system  
An extracardiac pumping for supplementing the circulation of blood through a patient without any component thereof being connected to the patient's heart, and method of using same. The...
6408205 System for delivering mechanical waves  
There is provided an implanted system and method for delivering subsonic mechanical waves to one or more selected patient areas, said areas including the patient's heart and/or lungs. The...
6398715 Apparatus for assisting systolic and diastolic cardiac function  
The present invention pertains to an apparatus for assisting a patient's heart operation. The apparatus comprises a mechanism for expanding and collapsing a right ventricle free wall of a heart of...
6398714 Cardiac assist catheter pump and catheter and fitting for use therein  
A cardiac assist catheter pump includes a displacement structure and a catheter. The catheter has an inlet in its distal end portion and an outlet spaced from the distal end portion. The...
6397843 Electrical and manual pressing device of automated air blowing for first-aid cardiopulmonary resuscitation  
An electrical and manual pressing device of automatic air blowing for first-aid cardiopulmonary resuscitation comprises pressing unit, an air storage tank, a control chamber, air levels, and a...
6387042 Apparatus aiding physiologic systolic and diastolic dynamics of cardiac cavities  
Apparatus aiding physiologic systolic and diastolic dynamics of heart cavities designed to assist the systolic contraction of the heart ventricles, and to simultaneously or alternatively...
6375607 Magnetically suspended fluid pump and control system  
A blood pump for assisting a heart is provided having a stator and a rotor. The rotor is magnetically radially supported creating a suspension gap between the stator and the rotor. The rotor can...
6361519 Mesh tip myocardial implant  
A method and apparatus for performing coronary artery bypass surgery establishes a channel leading directly from a chamber of a heart into a coronary artery. The coronary artery bypass procedure...
6354814 Device for conversion of a unidirectional rotational motion into reciprocating back and forth motion and pump device comprising same  
The inventive device consists of a disk which can be rotated around a central axis, a wobble pin which is mounted in the disk so that can rotate around an axis which is arranged at an angle in...
6350248 Expandable myocardial implant  
A method and apparatus for performing coronary artery bypass surgery establishes a channel leading directly from a chamber of a heart into a coronary artery. The coronary artery bypass procedure...
6346071 Inflow conduit assembly for a ventricular assist device  
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...
6344022 Right ventricular bypass devices and methods of their use during heart surgery  
During coronary artery bypass grafting (CABG) surgery in cases when cardio-pulmonary bypass is not used, at times when the heart is manipulated or lifted the inflow to the right ventricle may be...
6332863 Heart wall tension reduction kit  
An apparatus for treatment of a failing heart by reducing the wall tension therein. In one embodiment, the apparatus includes a tension member for drawing at least two walls of a heart chamber...
6309341 Method for constructing an organ of an animal by employing bands with electromagnetic actuators  
An internal organ of a person is artificially contracted by a band implanted around the organ. The band has two ends which are coupled together by an electromagnetic actuator. When an electric...
6296605 High-pressure drive system  
A high pressure inflation system for driving an inflatable heart assistance device. The system includes a fluid source for supplying a fluid at a relatively high pressure and a compression tank...
6290639 Conduit for a mechanical circulatory device  
A conduit assembly is provided for attachment to a Mechanical Circulatory Device (MCD) having an orifice surrounded by an orifice rim and a blood bag for forming a blood chamber in the MCD. The...
6290640 Uncoupled rotary linear pump  
A fluid pump includes a piston mounted in a housing. A check valve is disposed in the piston for controlling fluid flow. A linear motor joins the piston and housing for axial oscillation of the...
6280377 System for treating congestive heart failure  
A system is provided for regulating blood flow to a portion of the vasculature, such as the renal system, in order to treat heart disease. A regulator maintains blood flow so as to control...
6264601 Implantable ventricular assist device  
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...
6251061 Cardiac assist device using field controlled fluid  
A cardiac assist device and method of use for assisting the function of a heart. The assist device includes a compressor positioned against the epicardial wall of the heart and a field generator...
6245007 Blood pump  
A blood pump comprising a pump mechanism having an outer sleeve, an inner sleeve, and an impeller. The pump mechanism is movable between a closed and preferably retracted position wherein one or...
6241652 Fluid circulator for nonlinear compliant circuits  
Flow in nonlinearly compliant leaky fluid circuits is controlled by alteration of control variables in fluid pathways external to the leaky circuits. In analogous practical applications, blood...
6237398 System and method for monitoring pressure, flow and constriction parameters of plumbing and blood vessels  
The present invention provides a system and method of quantifying flow, detecting a location of an obstruction and quantifying a degree of the obstruction in a pipe characterized in pulsatile...
6238334 Method and apparatus for assisting a heart to pump blood  
A ventricular cuff is designed to assist a heart to pump blood by applying uniform pressure to a majority portion of an exterior ventricular surface of the heart. A heart engaging structure is...
6221104 Anterior and interior segment cardiac restoration apparatus and method  
The symptoms of congenital heart failure are addressed in this surgical procedure for mounting a patch in the ventricle of the heart to reduce ventricular volume. Placement of the patch is...
6206820 Device for supporting cardiac function having elastic filling chambers  
A device for assisting the functioning of a heart has elastic filling chambers attached to an elastic cover which can be placed at least partially around the heart. The filling chambers can be...
6201329 Pump having magnetic bearing for pumping blood and the like  
In order to provide a blood pump bearing having a suitable stiffness, magnetic rings for a journal bearing are provided on each of the stationary portion and the rotor and disposed in magnetically...
6190319 Self calibrating linear position sensor  
A rotor is disposed coaxially in a tubular housing and spaced therefrom to define a gap for receiving a fluid. An ultrasonic transducer is mounted at one end of the housing in alignment with a...
6176848 Intravascular blood pump  
A blood pump having a motor housing and a pump housing which are rigidly connected to one another in an axially spaced relationship. Both housings are of substantially the same diameter and are...
6169922 Defibrillating cardiac jacket with interwoven electrode grids  
A device for treating cardiac disease of a heart includes a jacket of flexible material defining a volume between an open upper end and a lower end. The jacket is dimensioned for an apex of the...
6168624 Apparatus and methods for revascularization and perfusion  
The invention is practiced by introducing a catheter (10)into the left ventricle of the heart. Deployment of an intraventricular pump assembly (12) from the end of catheter (10) is carried out by...