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| Number | Title | Issue Date |
| 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 material. The inner tube is excitable, and a gel is placed between the in... | 01/10/2012 |
| 8016738 | Methods and apparatus for selecting intra-aortic balloon deflation timing The present invention provides methods and apparatus for selecting a deflation timing mode for an intra-aortic balloon (IAB) based on comparison of the time required to deflate the IAB and the time between the ECG R wave and systolic upstroke. ... | 09/13/2011 |
| 8016739 | 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 adapted to pump a fluid from the reservoir to the aortic compression mea... | 09/13/2011 |
| 7976452 | Long term ambulatory intro-aortic balloon pump with percutaneous access device Disclosed herein are embodiments of long-term ambulatory intra-aortic balloon pump systems for providing left ventricular cardiac assistance to a patient. The systems can comprise an external drive system for supplying a compressed fluid, the drive system operating ... | 07/12/2011 |
| 7955248 | Actuator for a heart assist device An actuator (10) for a heart assist device. The actuator (10) includes an inflatable balloon (12) and a shroud or wrap (14). The inflatable balloon (12) has a first body portion (22), a second body portion (26) and a ... | 06/07/2011 |
| 7927268 | Counterpulsation device with increased volume-displacement efficiency and methods of use A method for mechanically assisting the pumping action of the heart. A catheter is provided comprising an elongate member having a proximal end, a distal region, an expandable member attached in the distal region, and an inflatable member in the distal region and at... | 04/19/2011 |
| 7914436 | Method and apparatus for pumping blood At least one aspect of the invention is directed to a pump system for pumping blood though a body passageway. The pump system includes a distal section having at least one inlet to receive blood, a pumping section in fluid communication with the distal section to re... | 03/29/2011 |
| 7892162 | Arterial interface Devices and methods are disclosed for implanting, positioning, removing and replacing devices that penetrate an artery. ... | 02/22/2011 |
| 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 aortic valve closure. The cardiac assist device is coupled to a mammalian ... | 04/07/2009 |
| 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 partially obstruct aortic blood flow to condition the spinal cord to secre... | 12/23/2008 |
| 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 an endoscopically selected location of the aorta, the inflatable bal... | 05/20/2008 |
| 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 (51) and a pair of mobile membranes (16, 17 | 05/06/2008 |
| 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 portion of the heart to be restrained, reducing the cardiac expansio... | 04/22/2008 |
| 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 adapted to pump a fluid from the reservoir to the aortic compression mea... | 04/15/2008 |
| 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 synchrony with the diastolic period of the heart. The deformation pressure m... | 03/25/2008 |
| 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 catheter having a distal end, a proximal end, and a passage there th... | 03/25/2008 |
| 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 pressure in the occluded coronary sinus and defining measured pressure... | 02/19/2008 |
| 7331921 | 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 using same. One embodiment of the intravascular extracardiac system co... | 02/19/2008 |
| 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 ventricle or to the inter-ventricular septum and then expanded. When e... | 01/22/2008 |
| 7320599 | Blood pressure simulation apparatus with tactile interface The blood pressure level in humans is a vital health parameter, yet the vast majority of people do not have a physical feeling for what normal and abnormal blood pressure levels mean in relation to the forces exerted on the heart and blood vessels. A blood pressure ... | 01/22/2008 |
| 7311161 | Hospital bed having a drive wheel unit A hospital bed includes a carrier frame, a driven wheel unit disposed below the frame, a motor unit, a drive wheel unit disposed below the frame and coupled operably to the motor unit in such a manner that actuation of the motor unit results in rotation of the drive... | 12/25/2007 |
| 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 conduit while the heart is in systole and expel the blood into the first co... | 09/25/2007 |
| 7263413 | Electronic control system for installations which generate compressed air or vacuums The invention relates to an electronic control system for aggregates which generate compressed air or vacuums. The inventive system comprises programmable electronic circuits for controlling, regulating and monitoring the technical functions of aggregates of this ty... | 08/28/2007 |
| 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 these delays includes determining a nominal inflate command time, addin... | 07/31/2007 |
| 7244224 | Pump driving unit for driving a pump used for supporting or substitution of cardiac function In a small sized pump driving unit, a fluid pump is used for driving the pump for supporting of substituting of cardiac function. The fluid pump can generate pressure fluctuations that can generate pulsation of the pump for supporting or substituting of cardiac func... | 07/17/2007 |
| 7241311 | Methods of obtaining ophthalmic lenses providing the eye with reduced aberrations The present invention discloses methods of obtaining ophthalmic lens capable of reducing the aberrations of the eye comprising the steps of characterizing at least one corneal surface as a mathematical model, calculating the resulting aberrations of said corneal sur... | 07/10/2007 |
| 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 for inflating and deflating the balloon membrane. A pressure sensor, s... | 06/12/2007 |
| 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 using an arterial or venous side approach. The use of a right side appro... | 06/12/2007 |
| 7189199 | Methods and devices for improving cardiac function in hearts Various methods and devices are disclosed for improving cardiac function in hearts having zones of infarcted (akinetic) and aneurysmal (dyskinetic) tissue regions. The methods and devices reduce the radius of curvature in walls of the heart proximal infarcted and an... | 03/13/2007 |
| 7185657 | Method and device for treating gastroesophageal reflux disease Disclosed is a delivery device for controllably delivering a prosthetic bulking device below a tissue surface such as below the mucosa to treat gastroesophageal reflux disease. The delivery device may be embodied in a deployment catheter, an endoscope, or an endosco... | 03/06/2007 |
| 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 slideably arranged cannulae (one inner and one outer) communicatively couple... | 02/27/2007 |
| 7184828 | Method and system for spinal cord stimulation prior to and during a medical procedure A method of performing a medical procedure, such as surgery, is provided. The spinal cord is stimulated in order to control at least one physiological function. The medical procedure is performed and stimulation of the spinal cord is stopped. ... | 02/27/2007 |
| 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 to move the wall from an expanded position to a contracted position an... | 02/06/2007 |
| 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 heart valve from the curve of the blood flow rate. The processing un... | 01/30/2007 |
| 7169163 | Transnasal method and catheter for lacrimal system A balloon catheter for treatment of a patient's lacrimal system is applied transnasally without the use of a guide wire or a curve retention member. The catheter uses a stainless steel hypotube of sufficient stiffness and column strength to be pushed from the patent... | 01/30/2007 |
| 7159592 | Methods and apparatus for transmyocardial direct coronary revascularization Methods and apparatus for direct coronary revascularization wherein a transmyocardial passageway is formed between a chamber of the heart and a coronary blood vessel to permit blood to flow therebetween. In some embodiments, the transmyocardial passageway is formed ... | 01/09/2007 |
| 7162289 | Method and apparatus for enhancing the integrity of an implantable sensor device A method and apparatus for enhancing the integrity of an implantable sensor. Voids formed between an outer tubing and a sensor substrate or spacing element may be back-filled with a curable, implantable material, minimizing the extent to which unwanted fluids diffus... | 01/09/2007 |
| 7150745 | Devices and methods for treatment of luminal tissue Devices and methods are provided for treatment of tissue in a body lumen with an electrode deployment device. Embodiments typically include a device with a plurality of electrodes having a pre-selected electrode density arranged on the surface of a support. The supp... | 12/19/2006 |
| 7150736 | 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 partially obstruct aortic blood flow to condition the spinal cord to secre... | 12/19/2006 |
| 7144364 | Endoscopic arterial pumps for treatment of cardiac insufficiency and venous pumps for right-sided cardiac support Methods for using blood pumps to treat heart failure are disclosed. The pump is mounted on an interior of a stent, and the stent is releasably mounted on a distal end of a catheter. The distal end of the catheter is inserted into a peripheral artery and advanced to ... | 12/05/2006 |
