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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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7582051 |
Peripheral seal for a ventricular partitioning device
A partitioning device for separating a patient's heart chamber into a productive portion and a non-productive portion which is suitable for treating patients with heart disease, particularly...
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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...
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6988982 |
Heart wall actuation system for the natural heart with shape limiting elements
An actuation system for assisting the operation of the natural heart includes an actuator element adapted to be positioned proximate a portion of a heart wall. The actuator element is operable for...
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6949065 |
Left ventricular assist system
A fully implantable left ventricular assist system comprising a pumping means connectable via adapter elements to the ventricle includes two compressible chambers in the form of sacs ( 5, 5′ )...
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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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6846296 |
Apparatus and method for detachably securing a device to a natural heart
Methods and apparatus are disclosed for attaching cardiac devices onto a natural heart by employing arrays of gripping elements, such as hooks or barbs. The gripping elements are designed to...
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6669726 |
Orthotopic total artificial heart
An orthotopic total artificial heart for replacing the human heart comprising a new design of two assembled blood chambers with an original layout between themselves and between their inlet and...
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6547753 |
Pulsatile flow generation in heart-lung machines
Pulsatile blood flow in a heart-lung machine is accomplished by pumping blood into a bladder at a constant rate, and cyclically emptying the bladder into aortic line of the heart-lung machine...
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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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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...
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6102845 |
Ventricular assist device with minimal blood contacting surfaces
A ventricular assist device includes a pair of valved conduits and a pumping portion connected by these conduits into the circulatory system of a host patient. The pumping portion and valved...
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5971910 |
Method and apparatus for assisting a heart to pump blood by applying substantially uniform pressure to the ventricles
An apparatus and method for assisting a heart to pump blood includes a housing that defines an internal chamber for receiving a heart. The housing has a first opening to supply fluid to the...
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4902273 |
Heart assist device
Improved heart assist devices are disclosed. An improved heart assist device includes a catheter having a first lumen and a second lumen. An inflatable intraventricular balloon is located at the...
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4581029 |
Blood pump
The present invention relates to an artificial heart which comprises a housing, a brim forming a cover of the said housing, a blood introduction pipe and a blood discharge pipe which are...
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4573997 |
Right ventricular assist device
A right ventricular assist device for assisting the circulation of the blood includes a smooth segmented polyurethane sac having a single valveless passageway to provide a single inlet and outlet....
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4468177 |
Diaphragm pump arrangement in which alternately expanded and contracted chambers are used independently
A pump has a housing that is divided into two chambers by an element that is driven in a push-pull manner so that the volumes of each of the two chambers are alternately enlarged and reduced. Both...
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4458366 |
Artificial implantable blood pump
Implantable artificial blood pumps are described. The blood-contacting surfaces have pores therein which communicate with a subsurface of interconnected pores. This structure induces tissue...
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3919722 |
Totally implantable artificial replacement heart
A totally implantable replacement heart system comprises a blood pump, energy converter, heart rate control computer and an energy storage unit. The blood pump is a four-chambered unit having two...
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3783453 |
SELF-REGULATING ARTIFICIAL HEART
This invention describes a complete artificial heart system which is capable of providing complete self-regulative control of the pumping action of the heart. It comprises a right and left...
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3771174 |
ARTIFICIAL HEART UTILIZING BLOOD PULSING FLUID OSCILLATORS
An artificial heart intended for supplementing or replacing the natural heart for circulating blood through the body. The heart relies on the dynamic flow properties of the blood for its operation,...
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3599244 |
DYNAMIC ACTION VALVELESS ARTIFICIAL HEART UTILIZING DUAL FLUID OSCILLATOR
An artificial heart intended for supplementing or temporarily replacing the natural heart for circulating blood through the body. The heart relies on the dynamic flow properties of the blood for...
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3606592 |
Title is not available
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