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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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8177704 |
System and method for treating heart tissue
Some embodiments of a system or method for treating heart tissue can include a control system and catheter device operated in a manner to intermittently occlude a heart vessel for controlled...
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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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8157719 |
Devices and methods to perform minimally invasive surgeries
In one embodiment, there is disclosed a device adapted to be used for percutaneous minimally invasive heart surgery including a catheter having a proximal end and a distal end adapted to be fed...
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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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8157539 |
Artificial heart pump
By inserting a protruding portion (8b), which is installed to a center position of a rear end surface (8x) of a fixed body (8), into a hole (4a), which is provided to a center position of an end...
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8152845 |
Blood pump system with mounting cuff
An implantable blood pump system includes a blood pump housing and a mounting cuff. The blood pump housing at least partially contains a pump drive system adapted to transfer blood from an interior...
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RE43299 |
Paracardiac blood pump
The paracardiac blood pump is destined designed for protruding through the cardiac wall into the heart with a portion of its housing (10) and for suctioning blood from the heart. The blood is...
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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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8137260 |
Electromagnetic cardiac assist device and method
Embodiments of the present invention provide systems and methods for assisting with contraction of the heart muscle. For example, in one embodiment of the invention, one or more flexible strips are...
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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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8128550 |
External counter pulsation treatment
A method for treating patients suffering from left ventricular dysfunction is disclosed. The method involves applying, during diastole, for a time period of about one hour, at least five days each...
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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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8123670 |
Method for forming a blood flow in surgically reconstituted segments of the blood circulatory system and devices for carrying out said method
The device relates to clinical cardiology and cardiovascular surgery. The method for forming a blood flow in research stands and in surgically reconstructed segments of the blood circulation system...
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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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8118723 |
Pump-inflow-cannula, a pump-outflow-cannula and a blood managing system
The invention relates to a pump-inflow-cannula (1) providing a blood conduit from a heart (2) and/or from an associated vessel to an external blood handling system. The pump-inflow-cannula...
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8118724 |
Rotary blood pump
Various “contactless” bearing mechanisms including hydrodynamic and magnetic bearings are provided for a rotary pump as alternatives to mechanical contact bearings. In one embodiment, a pump app...
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8114008 |
Blood pump and pump unit
Provided are a magnetic coupling as an axial bearing including a driven magnet (11B3) that is a permanent magnet provided to a rotating body (11) inside a casing (12) and a drive magnet (23A) that...
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8100819 |
Electroactive polymer based artificial sphincters and artificial muscle patches
Provided are artificial muscle patches, which are adapted to be implanted adjacent a patient's heart, and artificial sphincter cuffs, which are adapted to be implanted around a body lumen, such as...
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8096935 |
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...
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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...
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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...
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8092364 |
Methods, devices and systems for counterpulsation of blood flow to and from the circulatory system
Counterpulsation methods and systems for assisting the heart of a patient involve, for example, coordinating the operation of a pulsatile pump to suction blood from an artery through a first...
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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...
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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 bladelets....
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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 the...
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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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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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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 configuration...
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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...
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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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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 and...
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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 having...
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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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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 and...
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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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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 is...
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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 for...
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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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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...
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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...
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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...
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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...
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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 def...
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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...
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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...
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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...
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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...
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