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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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7585322 |
Cardiocirculatory aiding device
A cardiocirculatory aiding device is disclosed generally comprising a housing with a cavity, an inlet, an outlet, and first and second sides with apertures therein, first and second shells mounted...
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7527599 |
Method of determining cardiac indicators
A system and method for determining indicators of left ventricular function, and for determining the effectiveness of a cardiac therapy are disclosed. The indicators of left ventricular function...
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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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7468027 |
Partial aortic occlusion devices and methods for cerebral perfusion augmentation
Methods are provided for partial aortic obstruction for cerebral perfusion augmentation in patients suffering from global or focal cerebral ischemia. Alternatively, the methods can be used to...
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7450988 |
Method and apparatus for minimizing post-infarct ventricular remodeling
A cardiac rhythm management device is configured to deliver pre-excitation pacing to one or more sites in proximity to an infarcted region of the ventricular myocardium. The pre-excitation pacing...
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7374531 |
Long term ambulatory intra-aortic balloon pump with three dimensional tortuous shape
An inflatable balloon pump can be anchored with respect to a wall of the aorta for endoscopic surgical positioning with respect to the aorta of the patient. After engagement of the anchor member in...
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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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7361137 |
Surgical procedures and devices for increasing cardiac output of the heart
Methods and devices for passively assisting the cardiac function of the heart are disclosed. A method of increasing the cardiac output of a heart includes providing a site of surgical access to the...
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7357771 |
Heart assist devices, systems and methods
An apparatus and method for use in assisting a human heart are disclosed. The apparatus comprises an aortic compression means which may be fully implanatable, a fluid reservoir and a pump means...
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7347811 |
Heart assist device utilising aortic deformation
The present invention relates to providing counter-pulsation heart assist by deforming the aorta. In a preferred embodiment, the deformation pressure is applied by cyclically, preferably in...
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7273446 |
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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7229403 |
Intra-aortic balloon catheter having a dual sensor pressure sensing system
A balloon catheter has a balloon membrane, a tip connected to the distal end of the balloon membrane and an outer tube connected to the proximal end of the balloon membrane for supplying a medium...
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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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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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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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7112170 |
Intra-aortic balloon catheter having a dual sensor pressure sensing system
A balloon catheter has a balloon membrane, a tip connected to the distal end of the balloon membrane and an outer tube connected to the proximal end of the balloon membrane for supplying a medium...
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7090644 |
Device for determining a characteristic point in the cardiac cycle
The present invention relates to a device for determining a characteristic point in the cardiac cycle that comprises means for calculating the curve of the blood flow rate D(t) in the aorta from...
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7025718 |
Method and device for correcting in-vivo sensor drift
A method and device for reducing signal drift on a balloon catheter mounted pressure sensor by adjusting for signal gain and/or zero offset, and by separately calibrating the constant signal...
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6863648 |
Balloon pump system having a pressure reservoir muffler
A vacuum reservoir, for use with an intra-aortic balloon pump or other system, containing a muffling means having a honeycomb-like cell structure or other flow straightening structure.
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6800068 |
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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6790171 |
Method and device for transventricular mechanical circulatory support
Invention relates to a cannula and a screw pump for use in a mechanical circulatory support device, in particular a transventricular circulatory support device. The cannula according to the present...
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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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6699259 |
Minimally invasive direct cardiac massage device and method
A minimally invasive device for performing direct cardiac massage including an inflatable bladder mounted on a rigid inflation tube. The rigid inflation tube is used to push the bladder into the...
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6679829 |
Intra-aortic balloon pump having improved automated electrocardiogram based intra-aortic balloon deflation timing
An intra-aortic balloon pump (IABP) having improved automated electrocardiogram (ECG) based intra-aortic balloon deflation timing. Said IABP capable of automatically determining to either deflate...
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6669624 |
Temporary heart-assist system
A balloon is positionable in the patient's descending aorta. The balloon includes a balloon catheter and two pressure sensors that electrically couple to an extra-corporeal controller. The balloon...
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6666814 |
Enhanced intra-aortic balloon assist device
The present invention is an intra-aortic circulatory enhancing apparatus for use in human patients to improve blood flow to other arteries continuous with the aorta of the patient. The apparatus...
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6616598 |
Docking station for a transportable device
A mounting device for securing transport patient connected equipment, specifically an intra-aortic balloon pump (IABP), in the typically crowded medical transport vehicle. An engagement stud on 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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6536260 |
Balloon catheter leak detection method and apparatus
An intra-aortic balloon pump system having a leak detector comprising a processor, a pressure sensor, and optionally a temperature sensor. Gas leaks from the intra-aortic balloon pump system are...
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6511412 |
Cardivascular support control system
An apparatus for assisting cardiac function of a patient includes an inflatable chamber operably positionable with respect to an aorta of the patient, a percutaneous access device implantable with...
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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 relatively...
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6468200 |
Segmented peristaltic intra-aortic balloon pump
An intra-aortic blood pump (IABP) includes a multiple-chamber balloon disposed at the distal portion of a catheter. The chambers are inflated sequentially beginning with the most distal, i.e., the...
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6423031 |
Methods and devices for occluding a patient's ascending aorta
An aortic occlusion catheter has a blood return lumen for returning oxygenated blood to a patient and an occluding member for occluding the patient's ascending aorta. The blood return lumen has...
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6306116 |
Method and apparatus for pressurizing the right atrium or right ventricle to assist cardiac function during beating heart surgery
A method and apparatus for pressurizing the right atrium or right ventricle of a beating heart during surgery to assist cardiac function. The apparatus has an intake tube for insertion in the...
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6245008 |
Fast response intra-aortic balloon pump
An intra-aortic balloon pump includes a balloon, a catheter having a relatively small diameter lumen and an extender having a relatively large diameter lumen connected in series. A valve is...
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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...
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6228018 |
Removable left ventricular assist device with an aortic support apparatus
An apparatus and method of temporarily replacing the function of the left ventricle in a patient whose heart is severely injured and is unable to maintain a systemic arterial pressure adequate to...
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6210319 |
Intra-aortic balloon pump condensation prevention system
An intra-aortic balloon pump condensation prevention system comprising a water vapor extracting element. In one embodiment, the water vapor extracting element may comprise a Nafion tube. Said...
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6210318 |
Stented balloon pump system and method for using same
A balloon pump system including catheter-mounted pumping balloon configured to be positioned within a desired body passageway to pump a fluid through the body passageway. A stent is percutaneously...
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6191111 |
Method and device for enhancing of biobypass by increasing the coronary blood flow
A method for enhancing such biobypass techniques as angiogenesis, trans-myocardial revascularization, percutaneous myocardial revascularization, and myocardial cell proliferation by using the means...
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6149578 |
Piston-action intra-aortic coronary assist device
An intra-aortic balloon assist device is used to increase blood flow to the coronary arteries of an injured heart. The device comprises an expandable member that is placed within the ascending...
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6127410 |
Compositions, apparatus and methods for facilitating surgical procedures
Methods are provided for conducting surgical procedures in a patient wherein, during the surgical procedure, autonomous ventricular electrical conductivity and escape beats are reversibly and...
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6042532 |
Pressure control system for cardiac assist device
A control system for an inflatable chamber operably positionable with respect to an aorta of a patient monitors an actual flow duration time for inflating and/or deflating the inflatable chamber...
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6030336 |
Pressure generator for a counterpressure cardiac assistance device
A pump comprises variable volume means inserted in an artery, in particular, the descending aorta, enabling the volume through which the blood flows in this location to be modified cyclically and...
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6024693 |
Intra-aortic balloon catheter
An improved intra-aortic balloon catheter with a balloon membrane, a tip, and a co-lumen extruded tube having an outer lumen and an inner lumen between the inner and outer surfaces of the co-lumen...
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6004258 |
Intraaortic balloon catheter with blood feed passage formed therein for assisting circulation
When both the IABP and the PCPS are used, they exhibit an excellent circulation assisting effect. In this case, however, sequela such as hypoxic encephalopathy may well occur after the heart...
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5971911 |
Intrapericardial assist device and associated method
A surgical method for assisting cardiac function utilizes a pair of inflatable balloons initially in collapsed configurations. The balloons are inserted into an intrapericardial space about a...
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5957977 |
Activation device for the natural heart including internal and external support structures
An activator device for activation of cardiac tissue having a stint for placement within the interior volume of a natural heart adjacent cardiac tissue thereof. The device also includes a yoke for...
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5913814 |
Method and apparatus for deflation of an intra-aortic balloon
A method for decreasing the deflation time of an intra-aortic balloon comprises removing a portion of the gas from the closed pneumatic system during balloon inflation and then restoring the...
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