|
Match
|
Document |
Document Title |
|
|
7381179 |
Pulmonary and circulatory blood flow support devices and methods for heart surgery procedures
Pump and cannula systems inserted through the right side and/or left side of the heart provide protection against collapse of the heart chambers and veins and arteries and provide supplemental...
|
|
|
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...
|
|
|
7341584 |
Device and method to limit filling of the heart
A device used to treat heart disease by decreasing the size of a diseased heart, or to prevent further enlargement of a diseased heart. The device works by limiting the volume of blood entering the...
|
|
|
7311731 |
Prevention of myocardial infarction induced ventricular expansion and remodeling
A method for direct therapeutic treatment of myocardial tissue in a localized region of a heart having a pathological condition. The method includes identifying a target region of the myocardium...
|
|
|
7306558 |
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 ),...
|
|
|
7282024 |
Cardiac harness having interconnected strands
A cardiac harness for treating a patient's heart includes elastic rows connected by a connector assembly. The connector assembly can have a specific pattern, or can be formed of elongated elastic...
|
|
|
7275546 |
Anterior and inferior segment ventricular restoration apparatus and method
The symptoms of congenital heart failure are addressed in this surgical procedure for mounting a patch in the ventricle of the heart to reduce ventricular volume. Placement of the patch is...
|
|
|
7241257 |
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...
|
|
|
7217236 |
Universal pneumatic ventricular assist device
A pneumatic ventricular assist device (VAD) is disclosed for use in any circulatory support application including RVAD, LAVD, or BIVAD, trans-operative, short-term or long-term, tethered...
|
|
|
7189260 |
Ventricular assist system secondary impeller
In a centrifugal flow blood pump, usable in left ventricular assist applications, blood is pumped from an inlet ( 16 ) to an outlet ( 22 ) by a primary impeller ( 18 ). A portion of the blood that...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
7081084 |
Modular power system and method for a heart wall actuation system for the natural heart
An actuation system for assisting the operation of a natural heart is disclosed. The actuation system includes a framework for interfacing with the natural heart and a power system that can be...
|
|
|
7070555 |
Intracardiac blood pump
The blood pump ( 10 ) comprises an elongate drive portion ( 11 ) and a pump portion ( 12 ) lengthening the latter. Between the two portions, flow openings ( 17 ) are positioned. According to the...
|
|
|
6994093 |
Ventricular restoration shaping apparatus and method of use
Apparatuses and methods are provided to reconstruct an enlarged left ventricle of a human heart, using a shaper, having a size and shape substantially equal to the size and shape of an appropriate...
|
|
|
6981942 |
Temporary blood circulation assist device
An inflatable circulation assist device is disclosed consisting of an inflatable stator housing an impeller with inflatable blades of varying shapes and sizes. The invention is introduced into the...
|
|
|
6979351 |
Implantable ceramic valve pump assembly
An apparatus for distributing a liquid in a patient's body comprises an implantable pump adapted to pump the liquid and an implantable valve device adapted to direct the liquid pumped by the pump....
|
|
|
6959711 |
Kit and method for use during ventricular restoration
Apparatuses and methods are provided to reconstruct an enlarged left ventricle of a human heart, using a shaper, having a size and shape substantially equal to the size and shape of an appropriate...
|
|
|
6926662 |
Left and right side heart support
A cannulation system for cardiac support uses an inner cannula disposed within an outer cannula. The outer cannula includes a fluid inlet for placement within the right atrium of a heart. The inner...
|
|
|
6887192 |
Heart support to prevent ventricular remodeling
This is a support device that prevents, reduces, and delays remodeling of diseased cardiac tissue, and also decreases the impact of such remodeling on collateral tissue is disclosed. The invention...
|
|
|
6827682 |
Implantable device for utilization of the hydraulic energy of the heart
A device, potentially implantable in a living organism, intended to utilize at least a part of the hydraulic energy generated by the heart ( 10 )—the primary unit—at the natural phases of work...
|
|
|
6641612 |
Ambulatory blood pump
A blood pump intended to be carried by a freely moving patient uses perpendicular magnetic and electrical fields to propel blood. A rod mounted coaxially inside a tube has electrodes in blood...
|
|
|
6579847 |
Method and apparatus for vascular neuromuscular blockade
Method and apparatus of vascular neuromuscular blockade including percutaneous delivery of a quantity of neurotransmitter inhibiting agent to an affected region of a vessel.
|
|
|
6576010 |
Circular artificial heart
An artificial heart device for minimizing the damage to blood cells having electromagnetically driven pistons which move the blood around and through a toroidal chamber. In first and second...
|
|
|
6520904 |
Device and method for restructuring heart chamber geometry
A geometric reconfiguration assembly for the natural heart having a collar configured for surrounding the natural heart. The collar can include a plurality of supports configured for positioning on...
|
|
|
6514226 |
Method and apparatus for treatment of congestive heart failure by improving perfusion of the kidney
A method for treating congestive heart failure (CHF) has been developed that restores kidney renal functions by artificially perfusion of at least one kidney. The kidney is perfused with the...
|
|
|
6439237 |
Anterior segment coronary restoration apparatus and method
The symptoms of congenital heart failure are addressed in this surgical procedure for mounting a patch in the ventricle of the heart to reduce ventricular volume. Placement of the patch is...
|
|
|
6432136 |
Apparatus and method for removing a pocket of air from a blood pump
A catheter having a first magnet is guided into a pocket of air entrapped in a pumping chamber for an artificial heart using a probe having a second magnet, a Hall-effect sensor an electronic...
|
|
|
6395027 |
Artificial heart with arrhythmia signalling
An artificial heart assembly may be provided with a blood inlet conduit adapted to be implanted within a subject, a blood outlet conduit adapted to be implanted within the subject, a pumping...
|
|
|
6395026 |
Apparatus and methods for beating heart bypass surgery
Pump and cannula systems inserted through the right side and/or left side of the heart provide protection against collapse of the heart chambers and veins and arteries and provide supplemental...
|
|
|
6344022 |
Right ventricular bypass devices and methods of their use during heart surgery
During coronary artery bypass grafting (CABG) surgery in cases when cardio-pulmonary bypass is not used, at times when the heart is manipulated or lifted the inflow to the right ventricle may be...
|
|
|
6343605 |
Percutaneous transluminal myocardial implantation device and method
Devices and methods for increasing the volume of blood pumped by a heart muscle are disclosed. A therapeutic catheter in accordance with the present invention may comprise an elongate shaft having...
|
|
|
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...
|
|
|
6221104 |
Anterior and interior segment cardiac restoration apparatus and method
The symptoms of congenital heart failure are addressed in this surgical procedure for mounting a patch in the ventricle of the heart to reduce ventricular volume. Placement of the patch is...
|
|
|
6201329 |
Pump having magnetic bearing for pumping blood and the like
In order to provide a blood pump bearing having a suitable stiffness, magnetic rings for a journal bearing are provided on each of the stationary portion and the rotor and disposed in magnetically...
|
|
|
6197055 |
Single chamber mechanical heart
A single chamber mechanical heart has a movable vane journaled in the apex of the casing, an inlet port and an outlet port in each side wall of the chamber, and means for mechanically reciprocating...
|
|
|
6193645 |
Electromagnetic input transducers for middle ear sensing
A hearing assistance system senses sound vibrations of an auditory element in the middle ear and provides a stimulus to an auditory sensory element. The vibrations are received through the tympanic...
|
|
|
6176822 |
Intracardiac blood pump
A blood pump comprises a drive portion (11) and a pump portion (12) prolongated by a flexible hose (13). Pressure sensors (60, 61) determine the differential pressure between the inlet side and the...
|
|
|
6142752 |
Centrifugal fluid pump assembly
A centrifugal fluid pump assembly has a pump body and a controller. The pump body has a housing, a pump section having an impeller rotating inside the housing, an impeller rotational torque...
|
|
|
6139487 |
Intracardiac pump device
The pump device comprises a first pump (10a) that may have its intake side inserted into the left ventricle (42) of the heart, while the delivery side is located in the aorta (40), and a second...
|
|
|
6136025 |
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, does not occupy the entire lumen, and the stent is releasably mounted on a distal...
|
|
|
6135943 |
Non-invasive flow indicator for a rotary blood pump
An apparatus for non-invasive flow indication through a rotary blood pump. The apparatus includes a blood pump adapted for implantation into a patient. The blood pump has a moving mechanism which...
|
|
|
6129660 |
Method of controlling blood pump
When a current is set, a PI control portion performs proportional integration control, a power amplifying circuit performs power amplification, whereby a current flowing through a motor is...
|
|
|
6120431 |
Method for assisting stystolic and diastolic cardiac function
The present invention pertains to an apparatus for assisting a patient's heart operation. The apparatus comprises a mechanism for expanding and collapsing a right ventricle free wall of a heart of...
|
|
|
6099460 |
Electromagnetic heart assist technique and apparatus
A heart can be artificially contracted to pump blood by separate electromagnets to the exterior surface of the heart and implanting another electromagnet inside a heart chamber. Electric currents...
|
|
|
6086526 |
Cardiac assistance system
A system to provide cardiac assistance to a patient's heart. The system includes a pulse generator adapted to be coupled to patient's heart and adapted to be coupled to a skeletal muscle ventricle...
|
|
|
6060640 |
Multiple-layer, formed-in-place immunoisolation membrane structures for implantation of cells in host tissue
A permeable structure forms a chamber to hold living cells. The structure includes a first permeable region surrounding at least a portion of the chamber having a conformation that, when implanted...
|
|
|
5971993 |
System for delivery of a trans myocardial device to a heart wall
A delivery device for insertion of a myocardial implant into a heart wall for trans myocardial revascularization (TMR) of the heart wall. The delivery device provides for the exact placement of one...
|