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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...
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7614997 |
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...
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7601117 |
Systems and methods for assisting cardiac valve coaptation
Systems and methods for reducing distention in designated portions of a heart muscle while assisting cardiac valve alignment and coaptation. Anchoring devices are secured to the heart muscle and a...
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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...
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7591778 |
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...
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7591777 |
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...
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7588531 |
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...
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7588530 |
Devices, systems and methods for assisting blood flow
A pump includes a flexible conduit, at least one valve attached to the flexible conduit about the perimeter of the valve; and a drive mechanism to move the valve to pump blood within the conduit....
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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...
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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...
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7513864 |
Synchronization system between aortic valve and cardiac assist device
A cardiac assist device synchronization system includes a cardiac assist device and an acoustic or accelerometer sensor that provides a signal input to the cardiac assist device indicative of...
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7497116 |
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...
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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...
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7485104 |
Systems and methods for controlling renovascular perfusion
Devices, systems and methods by which the real or apparent renovascular perfusion and intrarenal pressure may be selectively and controllably increased. By selectively and controllably increasing...
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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...
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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...
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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...
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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...
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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 (...
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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...
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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...
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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...
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7250025 |
Timing of intra-aortic balloon pump therapy
In order to fully automate the inflation timing and deflation timing of an intra-aortic balloon pump, certain delays intrinsic in the system must be taken into account. A process for calculating...
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7244225 |
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...
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7229474 |
Method for controlling the position of a permanent magnetically supported rotating component
Since disruptive forces can be continuously exerted upon a rotor during a pulsatile flow through a pump with a magnetically mounted rotor (permanent magnets and addition control current coils), it...
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7229402 |
Minimally invasive ventricular assist technology and method
The present invention is a cardiac-assist device and technique used to maintain a patient's cardiac output when normal cardiac output is insufficient. Blood is removed from a selected ventricle...
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7204798 |
Methods and systems for measuring cardiac parameters
Methods and systems of the present invention provide for measurement of various cardiac parameters. Methods generally involve causing a change in volume and/or pressure in a heart chamber,...
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7182727 |
Single port cardiac support apparatus
A minimal intrusive cardiac support apparatus is disclosed which requires only one incision into a main blood vessel or heart chamber. The apparatus includes a pair of generally coaxial and...
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7175588 |
Method and system for detecting ventricular collapse
A pump system includes an implantable pump including a motor having a rotor and a stator. The stator includes a plurality of stator windings, and a motor controller is coupled to the motor to...
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7172551 |
Cyclical pressure coronary assist pump
An intravascular pump, which may be a left ventricle assist device, comprising a wall defining a pumping chamber, the wall support by struts, the struts attached to or part of an actuation system...
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7169109 |
Methods and apparatus for controlling heart assist devices
An apparatus for a heart assist device, comprising a processing unit for computing the blood flow rate from the arterial pressure curve and for predicting at every heartbeat the closing time of the...
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7160243 |
Method and system for controlling blood pump flow
A heart assist device, for example a left ventricular assist device (LVAD) including a blood pump, is controlled on the basis of a ratio of the pump's speed and the patient's heart rate. The...
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7156873 |
Methods for detecting an abnormal condition of a blood pump system
The present invention provides methods for detecting an abnormal condition of a blood pump system based on the power consumption of the pump actuator. By plotting differentiated power consumption...
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7150711 |
Method for controlling an assist pump for fluid delivery systems with pulsatile pressure
Method for controlling an assist pump for fluid delivery systems with pulsatile pressure. If for example a heart assist pump is driven with a constant number of revolutions, it is achieved, that...
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7122019 |
Intra-aortic renal drug delivery catheter
A catheter for delivering a therapeutic or diagnostic agent to a branch blood vessel of a major blood vessel, generally comprising an elongated shaft having at least one lumen in fluid...
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7118356 |
Fluid pump with a tubular driver body capable of selective axial expansion and contraction
A fluid pump for pumping fluid. The fluid pump includes a driver having a substantially tubular shaped body defining a body axis and, a number of elements circumferentially spaced around the body....
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7074177 |
High-efficiency external counterpulsation apparatus and method for performing the same
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...
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7074176 |
Air-pressure powered driver for pneumatic ventricular assist devices
A driver for a pneumatic ventricular assist device (VAD) is powered by pressurized air, oxygen or any other gas commonly available in hospital rooms, intensive care units and operating rooms. The...
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7029433 |
Device for cardiac restoration
The invention herein is an enhanced VAD device (EVAD), for a physician to use to restore a dysfunctioning native heart with severe muscular damages to good health, so that the EVAD can be explanted...
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7014605 |
Pulsatile blood pumping system
A blood pumping system to support living organisms based on a spherical multi vane and multi chamber pump with an oscillating motion that delivers pulsatile flow. The blood pumping system includes...
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7001354 |
Perfusion system for off-pump coronary artery bypass
A perfusion system for off-pump coronary artery bypass is provided in order to make the off-pump coronary artery bypass easier and safer and to restrict the amount of bleeding to a degree for not...
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6991595 |
Adaptive speed control for blood pump
A blood pump may be adapted to sense the onset of left ventricular collapse by monitoring a pulsatility index, and may adjust the pump speed to maintain the index at a setpoint. The pulsatility...
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6984201 |
Blood circulation assistance device
A blood circulation assistance device ( 1 ), for location around a blood conduit ( 20 ). The device comprises: an inflatable bladder ( 10 ) moveable between a contracted form and an expanded form,...
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6925225 |
Device for flat illumination of an object field
The invention is directed to a device for flat illumination of an object field in an optical instrument and to an optical instrument with a device of this kind. Optical instruments of this type...
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6735532 |
Cardiovascular support control system
An apparatus and method for assisting cardiac function of a patient includes a flaccid inflatable chamber held at a predetermined volume generally midway between fully inflated and fully deflated...
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6732501 |
Ventricular connector
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...
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6604529 |
External electromagnetic system for assisting systolic and diastolic ventricular function, and method therefor
A method of aiding the compression and relaxation of a heart chamber using ferromagnetic and diamagnetic pellets inserted into the anterior and posterior walls of the chamber is provided. The...
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6585635 |
Method and system for pericardial modification
The invention adapts the pericardium for use as a pump bladder having a pump cavity formed by at least a portion of the pericardial space between the parietal pericardium and the visceral...
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6572530 |
Blood circulation auxiliary device using continuous blood flow pump and diagnosis device for blood circulation state in organism
A blood circulation assisting device using a continuous flow blood pump ( 1 ) for blood feeding assistance to remove blood through a blood removing pipe ( 2 ) and drive out blood at a predetermined...
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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 pumping...
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