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8177703 |
Blood pump
A blood pump (26) includes a stator assembly including a fluid inlet (24) and a fluid outlet (26). A rotor assembly (120) includes an impeller (40) rotatable about an axis (44) to move fluid from...
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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...
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8157720 |
Heart assist system
A supplemental blood flow system for assisting with blood circulation in a patient. The system includes a supplemental blood flow device implantable in the patient and a controller for directing...
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8157721 |
Artificial heart pump system and its control apparatus
An artificial heart pump system is provided independently with a controlling processor for controlling an operation status of a blood pump so as to perform in a preset condition and with an...
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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...
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8133168 |
Remediation of functional cardiac mitral valve regurgitation
A dynamic device for reducing functional mitral regurgitation is described. The device is disposed externally to the heart and effectively acts as a splint for reducing further dilation of the...
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8123668 |
Signal transmitting and lesion excluding heart implants for pacing defibrillating and/or sensing of heart beat
Devices, systems, and methods for treating a heart of a patient may make use of structures which limit a size of a chamber of the heart, such as by deploying a tensile member to bring a wall of the...
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8123669 |
Method for controlling a blood pump
A blood pump is temporarily operated at a low rotational speed lying below a design rotational speed. This involves a risk of thrombogenesis since flow detachments may occur at blades of an...
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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...
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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” exp...
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8066628 |
Intra-aortic balloon pump and driver
Devices and methods are disclosed for implanting, positioning, removing, replacing and operating intra-aortic balloon pumps.
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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7850729 |
Deforming jacket for a heart actuation device
The invention consists of a cushioned active cyclically deforming cushion or jacket (39) that surrounds the outer or epicardial surface of at least one chamber (2, 3, 4, 5) of the natural heart,...
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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 embodiment,...
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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...
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7819916 |
Blood pump system for artificial heart and apparatus supervisory system
A blood pump system for an artificial heart including: a control unit for controlling a blood pump, the control unit including a first alarm generating part for generating a first alarm signal...
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7794384 |
Dual communication interface for artificial heart system
An artificial heart pump system has a heart pump implanted in a patient. A pump control unit worn by a patient includes a programmable device for adapting a secure aspect of heart pump operation in...
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7780604 |
Method and device for the intermittent occlusion of the coronary sinus
In a method for intermittently occluding the coronary sinus, in which the coronary sinus is occluded using an occlusion device, the fluid pressure in the occluded coronary sinus is continuously...
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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.
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7766853 |
Peripheral access devices and systems
A cannulation system (10) for perfusing a patient's circulatory system, includes an inflow cannula (14) having a first end adapted to be connected to said circulatory system and a second end...
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7762976 |
Automatic air removal system
An apparatus for extracorporeal oxygenation of a patient's blood during cardiopulmonary bypass surgery. The apparatus comprises a bubble sensor, arranged at or connected to a venous line, for...
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7758492 |
Pulsatile blood pumping systems
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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7736296 |
Intracardiac blood pump
Disclosed is an intracardiac blood pump with a flexible screen between which discharge ports are located. The pump parts are connected to the flexible screen which catches the axially discharged...
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7695425 |
Heart wall tension reduction apparatus and method
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...
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7693568 |
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...
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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)...
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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...
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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...
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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 bladder (40)...
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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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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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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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