Cardiac reinforcement device
The present invention is directed to a device and method for reinforcement of the cardiac wall. According to the invention, a cardiac reinforcement device includes a biomedical material which can be a... Read More
Inventors: Alferness, Clifton A.;, Assignee: Acorn Cardiovascular, Inc. (St. Paul, MN) |
Cardiac disease treatment and device
According to a preferred embodiment of the present invention, a method and device are disclosed for treating congestive heart disease and related cardiac complications such as valvular disorders. The ... Read More
Inventors: Alferness, Clifton A.; Rohrbaugh, Donald G.; Shapland, J. Edward; Girard, Michael J.; Palme, II, Donald F.; Cox, James E.;, Assignee: Acorn Cardiovascular, Inc. (St. Paul, MN) |
Arrangement for implanting a miniaturized cardiac lead having a fixation helix
The present invention provides an introducer system that can be employed to introduce and fix a distal fixation helix of a cardiac lead at a desired implantation site in a heart chamber or cardiac blo... Read More
Inventors: Seifert, Kevin R.; Lee, Travis S.; Foerster, Laurie D.;, Assignee: Medtronic, Inc. (Minneapolis, MN) |
Techniques of treating neurodegenerative disorders by brain infusion
A preferred form of the invention can treat a neurodegenerative disorder, such as Parkinson's disease Huntington's or Amyotrophic Lateral Sclerosis (ALS), by means of an implantable pump and a cathete... Read More
Inventors: Elsberry, Dennis D.; Rise, Mark T.;, Assignee: Medtronic, Inc. (Minneapolis, MN) |
Peristaltic pump and tube loading system
Generally stated, the peristaltic pump 10 embodying the present invention includes a pump housing 11 enclosing a rotor 12 driven by a motor 14. The housing is adapted to be mounted on a housing platf... Read More
Inventors: Patton, Mark T.; Lasota, Jacek;, Assignee: Medtronic Electromedics, Inc. (Parker, CO) |
Implantable non-invasive rate-adjustable pump
As explained in more detail below, the implantable non-invasive rate adjustable pump of the present invention overcomes the above-noted and other shortcomings of prior implantable pumps. In accordance... Read More
Inventors: Torgerson, Nathan A.; McMullen, Raymond F.;, Assignee: Medtronic, Inc. (Minneapolis, MN) |
Implantable peristaltic pump techniques
A peristaltic pump made in accordance with the invention is suitable for an implantable medical device. According to a preferred embodiment, a pump tube holds liquid to be pumped, and the tube defines... Read More
Inventors: Robinson, Reginald D.;, Assignee: Medtronic, Inc. (Minneapolis, MN) |
Endoscopic arterial pumps for treatment of cardiac insufficiency and venous pumps for right-sided cardiac support
Various blood pumps have been developed for insertion in arteries and are well known in the art. Suitable devices for use in the invention herein are disclosed in Rise, U.S. Pat. No. 5,643,207; Elsber... Read More
Inventors: Barbut, Denise R.; Patterson, Russell H.; Heinemann, Mark-Hein;, Assignee: |
Removable left ventricular assist device with an aortic support apparatus
It is therefore one object of the present invention to provide an apparatus and method for temporarily replacing the function of the left ventricle in a patient who is suffering severe heart disease o... Read More
Inventors: Downey, H. Fred; Bian, Xiaoming;, Assignee: My-Tech, Inc. (Tampa, FL) |
Apparatus for continuously sampling plasma
The present invention provides a method and apparatus for continuously sampling plasma in a closed system for diagnostic purposes. The whole blood is removed from the patient and the plasma separated ... Read More
Inventors: Parl, Fritz F.; Bradley, Charles A.; Benge, Herman; Black, David L.;, Assignee: Vanderbilt University (Nashville, TN) |
Triple-lumen critical care catheter
The purpose of the present invention is to provide a superior triple-lumen catheter with respect to optimization of size, fluid mechanical efficiency and ability to infuse large volumes of fluids at a... Read More
Inventors: Mahurkar, Sakharam D.;, Assignee: |
Low profile perfusion catheter
There is provided in accordance with one aspect of the present invention a balloon catheter, such as for performing balloon dilatation procedures in a body lumen. The catheter comprises an elongate fl... Read More
Inventors: Crocker, Michael;, Assignee: Cardiovascular Dynamics, Inc. (Irvine, CA) |
Catheter with oval or elliptical lumens
It is an object of the present invention to provide an improved catheter having one or more lumens therein which are oval, elliptical or oblong shaped. It is a further object of the present invention ... Read More
Inventors: Hicks, Allen J.;, Assignee: Quinton Instrument Company (Bothell, WA) |
Multiple catheter assembly
OF THE INVENTION Certain terminology is used in the following description for convenience only and is not limiting. The words "right," "left," "lower" and "upper" designate directions in the drawings... Read More
Inventors: Tesio, Franco;, Assignee: Medical Components, Inc. (Harleysville, PA) |
Dialysis catheter having rigid and collapsible lumens and related method
Briefly described, and in accordance with the preferred embodiments disclosed herein, the present invention relates to a multiple lumen catheter for placement into a blood vessel of a patient and incl... Read More
Inventors: Palestrant, Aubrey M.;, Assignee: |
Clot resistant multiple lumen catheter
That which is claimed: 1. A multiple lumen catheter for the bidirectional, continuous transport of blood, said catheter comprising at least a pair of lumens having open, distal ends, said distal ends ... Read More
Inventors: Twardowski, Zbylut J.; Nichols, W. Kirt; Van Stone, John C.;, Assignee: |
Cannula having reverse flow tip
The cannula according to the invention overcomes the problems of the prior art by providing a multi-lumen cannula with independently reinforced lumens so that dramatically different fluid pressures ca... Read More
Inventors: Sandmore, Donald R.; Jonkman, Kenneth R.;, Assignee: Medtronic, Inc. (Minneapolis, MN) |
Aortic catheter with flow divider and methods for preventing cerebral embolization
Accordingly, the invention is a catheter with a fluid flow control member called a deflector or a fluid flow divider positioned near the distal end of the catheter for dividing a first lumen into two ... Read More
Inventors: Macoviak, John A.; Samson, Wilfred J.;, Assignee: Cardeon Corporation (Cupertino, CA) |
Medical device for flow augmentation in patients with occlusive cerebrovascular disease and methods of use
The invention provides devices and methods for treatment of acute ischemic stroke and occlusive cerebrovascular disease by taking advantage of the collateral cerebral circulation. Anastomoses between ... Read More
Inventors: Barbut, Denise;, Assignee: CoAxia, Inc. (Maple Grove, MN) |
Tool-changing system
In accordance with the invention, a method of changing tools in a machine tool and also a tool-changing system are provided by means of which the cycle times during tool changing are minimal. In the m... Read More
Inventors: Michael (Gö, ppingen, DE); bisch Gmü, nd, DE);, Assignee: Ex-Cell-O GmbH (Eislingen/Fils, DE) |
Ventricular assist device capable of promoting recovery of cardiac function
What is claimed is: 1. A ventricular assist device to be provided between a ventricle of a native heart and an artery, comprising: a first blood conduit carrying blood from said ventricle to said vent... Read More
Inventors: Miyawaki, Fujio;, Assignee: |
Canopy adjustable mounting system for infant warming apparatus
The present invention relates to an infant warming apparatus having a base that rests on the floor and which supports the apparatus itself. The base has at least one vertical structural member that ex... Read More
Inventors: Mackin, Michael H.;, Assignee: Datex-Ohmeda, Inc. (Madison, WI) |
Cardiac phantom
We claim: 1. A computer system for controlling an apparatus capable of simulating a cardiac ventricle, comprising: means for determining data points for a selected ventricular volume versus time curve... Read More
Inventors: Jaszczak, Ronald J.; Kirven, Paul Douglas; Perry, Timothy Warren;, Assignee: Data Spectrum Corporation (Hillsborough, NC) |
Tissue stabilizer
One aspect of this invention is a tissue stabilizer that comprises a malleable planar foot integrated into a flexible membrane. The malleable planar foot has an open central region and a rigid arm con... Read More
Inventors: Mager, Larry F.; Riebman, Jerome B.; Bertolero, Raymond; Bertolero, Arthur A; Ibrahim, Tamer;, Assignee: Endoscopic Technologies, Inc. (Danville, CA) |
Cardiac bypass catheter system and method of use
The present invention is a minimally invasive bypass system which includes an arterial catheter and a venous catheter, each catheter being adapted to couple with a cardiopulmonary bypass pump in order... Read More
Inventors: Coleman, Ronald; Kadan, Jeffrey S.; Gotha, Frederick; Peacock, III, James C.;, Assignee: Advanced International Technologies, Inc. (Redondo Beach, CA) |
Dunnage conversion machine with translating grippers, and method and product
The present invention provides a dunnage conversion machine which is particularly suited to production of a void fill dunnage product. According to one general aspect of the invention, opposing grippe... Read More
Inventors: Kung, Kurt; Schwarz, Dieter; Coppus, Dan;, Assignee: Ranpak Corp. (Concord Township, OH) |
Centrifugal pump for liquids, in particular for blood in extracorporeal circulation
The aim is achieved by a centrifugal pump for liquids, in particular for blood in extracorporeal circulation, according to the invention, comprises a body for the containment of an impeller, said impe... Read More
Inventors: Vescovini, Pietro; Ghelli, Nicola; Panzani, Ivo;, Assignee: Dideco S.p.A. (Mirandola, IT) |
Ceramic pivot bearing arrangement for a sealless blood pump
OF THE INVENTION The present invention relates to a novel centrifugal blood pump comprising a casing having a suction inlet and a delivery outlet, an impeller of a rotationally symmetric shape which ... Read More
Inventors: Nose , Yukihiko; Takatani, Setsuo; Sakuma, Ichiro; Ohara, Yasuhisa; Makinouchi, Kenzo;, Assignee: Kyocera Corporation (Kyoto, JP); Baylor College of Medicine (Houston, TX) |
Coated femoral stem prosthesis
We claim: 1. A femoral hip joint prosthesis having reduced adhesion to bone cement comprising: a proximal stem portion; and a distal stem portion for contact exclusively with bone cement lining a bone... Read More
Inventors: Higham, Paul A.; Warfield, Larry T.;, Assignee: Howmedica Inc. (New York, NY) |
Blood pump having radial vanes with enclosed magnetic drive components
What is claimed is: 1. A pump for transferring fluids and comprising a pumping chamber with an inner periphery, an outer periphery and a central axis, a pair of fluid inlet ports arranged in oppositel... Read More
Inventors: Izraelev, Valentin M.;, Assignee: Advanced Bionics, Inc. (Eden Prairie, MN) |
Heart Surgery 
