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Results: 121-150 of 3565
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Method and apparatus for defibrillation using a multiphasic truncated exponential waveform
It is an object of this invention to provide a method and apparatus for improving the efficacy of defibrillators which provide biphasic truncated exponential waveforms. It is a further object of the m... Read More
Inventors: Hahn, Stephen J.; Swanson, David K.;, Assignee: Cardiac Pacemakers, Inc. (St. Paul, MN) |
Direct manual cardiac compression device
The present invention is directed to a massager and a method both to be used to accomplish internal cardio-pulmonary resuscitation (CPR). The massager is a manually operated cardiac compressor that is... Read More
Inventors: Buckman, Jr., Robert F.; Badellino, Michael M.;, Assignee: Temple University - Of The Commonwealth System of Higher Education (Philadelphia, PA) |
Cardiac arrhythmia management by application of adnodal stimulation for hyperpolarization of myocardial cells
OF THE PREFERRED EMBODIMENTS The preferred embodiments of the invention are explained hereafter in the context of a comprehensive implantable tachyarrhythmia management system, e.g. a PCD IPG and lea... Read More
Inventors: Kieval, Robert S.;, Assignee: Medtronic, Inc. (Minneapolis, MN) |
Instrument and method for delivery of anaesthetic drug
In accordance with the present invention, a catheter system is provided comprising: (a) a needle; (b) a catheter provided with an electrically conductive wire; and (c) a multipurpose connector provide... Read More
Inventors: Hafer, Fred; Boezaart, Andre; Syrucek, Michal;, Assignee: Arrow International, Inc. (Reading, PA) |
Implantable actuating mechanism
It is accordingly an object of the invention to provide an implantable actuating mechanism, which overcomes the above-mentioned disadvantages of the heretofore-known devices and methods of this genera... Read More
Inventors: Pregenzer, Bruno; Stenzl, Arnulf;, Assignee: |
Therapeutic treatment for congestive heart failure
OF THE FIGURES The present invention may be more fully and easily understood when taken in conjunction with the accompanying drawing, in which: FIG. 1 is a graph illustrating the baseline concentrati... Read More
Inventors: Gavras, Haralambos;, Assignee: Trustees of Boston University (Boston, MA) |
Pyrrolidine compound and pharmaceutical use
What is claimed is: 1. A pyrrolidine compound having the formula or a pharmacologically acceptable salt thereof: ##STR87## in which X is hydrogen, a halogen or a lower alkyl, Y is --(CH.sub.2).sub.n -... Read More
Inventors: Yamanaka, Motosuke; Hoshiko, Tomonori; Suda, Shinji; Yoneda, Naoki; Mori, Nobuyuki; Shino, Mitsumasa; Ishihara, Hiroki; Saito, Mamoru; Matsuoka, Toshiyuki;, Assignee: Eisai Co., Ltd. (JP) |
Retrograde coronary sinus catheter
OF A PREFERRED EMBODIMENT Now referring to the drawing, a coronary sinus catheter assembly of the invention is indicated in its entirety by the reference numeral 10. The coronary sinus assembly 10 in... Read More
Inventors: O'Neill, William G.; Huldin, Nelson L.; Hanson, Sheila J.; Carpenter, Walter L.;, Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN) |
Cardioplegia catheter system
The present invention provides methods, systems and devices for inducing cardioplegic arrest and for isolating the coronary arteries from the systemic circulation to maintain cardioplegic arrest durin... Read More
Inventors: St. Goar, Frederick G.; Peters, William S.; Evard, Philip C.; Boyd, Stephen W.; Adams, Craig L.; Mueller, Jr., Richard L.; Stevens, John H.;, Assignee: Heartport, Inc. (Redwood City, CA) |
Emulsions of perfluoro compounds as solvents for nitric oxide (NO)
This invention discloses an emulsion comprising a perfluoro compound and nitric oxide and uses thereof. Methods of preparing such a nitric oxide source suitable for in vivo administration are describe... Read More
Inventors: Garfield, R. E.; Balaban, A. T.; Seitz, W. A.;, Assignee: Board of Regents, The University of Texas System (Austin, TX); The Texas A&M University System (College Station, TX) |
Extracorporeal circulation apparatus and method
We claim: 1. A method of reducing inflammatory response resulting from contact of blood with surfaces in an extracorporeal fluid, comprising: (a) providing an extracorporeal blood circuit comprising a... Read More
Inventors: Igo, Stephen R.; Meador, James W.;, Assignee: Cormedics Corp. (Clear Lake Shores, TX) |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST*** *** NO IMAGES AVAILABLE***
Description:... Read More
Inventors: , Assignee: |
Actuator for heart pump
Having described my invention, I claim: 1. In a heart pump having a housing, inlet and outlet passageways in said housing, a diaphragm means for reciprocating said diaphragm comprising: a brushless dc... Read More
Inventors: Isaacson, Milton S.;, Assignee: Nu-Tech Industries, Inc. (Dayton, OH) |
Involute cam actuator with piston drive
We claim: 1. A mechanism for producing a linear relationship between angular movement of a shaft and axial movement of a piston comprising: a piston operating along an axis of a cylinder and having fi... Read More
Inventors: Ames, John; Lang, David J.; Walsh, Richard E.;, Assignee: Sundstrand Corporation (Rockford, IL) |
Sexual aid
In view of the foregoing disadvantages inherent in the known types of sex devices now present in the prior art, the present invention provides an improved sexual aid. As such, the general purpose of t... Read More
Inventors: Ritchie, Steven D.; Reynard, Harlie David;, Assignee: |
Percutaneous transseptal left atrial cannulation system
The cannulation method of Bernstein is complex. The insertion and removal of the guide wire, the needle, and obturator within the catheter risks potential system movement, dislodgement, inadvertent pu... Read More
Inventors: Fonger, James D.; Jonkman, Kenneth R.; Anderson, James H.; Mitchell, Sally E.;, Assignee: Boston University (Boston, MA) |
Multi-lumen cannula
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: Jonkman, Kenneth R.;, Assignee: Medtronic, Inc. (Minneapolis, MN) |
Brachytherapy seed deployment system
One aspect of the present invention is to enable brachytherapy needles to be preloaded with radioactive seeds and spacers, organized, packaged and shipped sterile in quantities prescribed on a per ord... Read More
Inventors: Taylor, John; Ko, Michael J.; Schmidt, Bruno J.; Beuchat, Charles;, Assignee: Imagyn Medical Technologies, Inc. (Irvine, CA) |
Reciprocating pump and linear motor arrangement
In accordance with one aspect of the invention, a surgically implantable reciprocating pump for pumping fluids includes a hollow cylinder, an array of axially spaced coil windings supported by the cyl... Read More
Inventors: Larson, Jr., Carl O.; Smith, James S.; Chapman, John H.; Slimon, Scot A.; Trahan, John D.; Brozek, Robert J.; Franco, Alberto; McGarvey, John J.; Rosen, Marvin E.; Pasque, Michael K.;, Assignee: Electric Boat Corporation (Groton, CT) |
Implantable device monitoring arrangement and method
We claim: 1. A monitoring arrangement for monitoring and controlling a device implantable in a human body comprising a secondary coil which is encapsulated in a material which does not substantially a... Read More
Inventors: Larson, Jr., Carl O.; Smith, James S.; Chapman, John H.; Slimon, Scot A.; Trahan, John D.; Brozek, Robert J.; Franco, Alberto; McGarvey, John J.; Rosen, Marvin E.; Pasque, Michael K.;, Assignee: Electric Boat Corporation (Groton, CT) |
Articulated arm for holding surgical instruments
The present invention provides an articulated arm for holding surgical instruments which comprises a plurality of elongated arm members and a plurality of rotational joints connecting said arm members... Read More
Inventors: Bohanan, Bryan S.; Kelsch, Daniel N.; Smith, Alexander K.;, Assignee: Biomec Inc. (Cleveland, OH) |
Active magnetic bearing system for blood pump
In accordance with the present invention, a rotary blood pump is provided. The pump comprises a pump housing and a rotor mounted for rotation within the housing. The rotor has a shaft portion and an i... Read More
Inventors: Wampler, Richard K.; Lancisi, David M.;, Assignee: Kriton Medical, Inc. (Sacramento, CA) |
Apparatus and method for folding and stacking napkins
It is an object of the present invention to provide a method and apparatus for folding and stacking sheet articles which produces a more uniform stack thickness. The object of the present invention is... Read More
Inventors: Roozrokh, Shahram;, Assignee: American Trade Names & Patents LLC (Hauppage, NY) |
Method and apparatus for calendering and coating/filling sutures
Accordingly, a method and apparatus for treating a multifilament surgical suture are provided herein. A compressive force is applied to the suture in a first linear direction generally transverse to t... Read More
Inventors: Chesterfield, Michael P.; Reale, Mark P.;, Assignee: United States Surgical Corporation (Norwalk, CT) |
Rotatable cuff assembly for a heart valve prosthesis
The invention provides a heart valve prosthesis in which the sewing cuff is rotatably mounted to the valve body by a resiliently deformed spring which is disposed along a circumferential surface or an... Read More
Inventors: Vanney, Guy P.; Girard, Michael J.; Kramlinger, William R.; Runquist, Jonas A.; Anderson, Kimberly A.; Moore, Scott D.; Allan, Bob; Graf, James E.;, Assignee: St. Jude Medical, Inc. (St. Paul, MN) |
Device and method for isolating a surface of a beating heart during surgery
The present invention provides a device and method for isolating a heart surface, particularly, the surface of a beating heart during cardiovascular surgery. The device utilizes rotation to attach to ... Read More
Inventors: Rogers, Danny Carpenter; Austin, Samuel Lynn; Davis, Albert;, Assignee: Chase Medical, Inc. (Richardson, TX) |
Atrial septal defect closure catheter
The present invention provides a closure catheter and methods for closing an opening in tissue, a body lumen, hollow organ or other body cavity. The catheter and methods of its use are useful in a var... Read More
Inventors: Roue, Chad C.; Frazier, Andrew G. C.; Lesh, Michael D.; van der Burg, Erik J.;, Assignee: Appriva Medical, Inc. (Sunnyvale, CA) |
Rocker lever for valve operation of an internal combustion engine with device for automatic adjustment/readjustment of valve clearance
This purpose is accomplished by a rocker according to the construction of the present invention. According to the invention, the valve clearance adjusting element mentioned in the introduction is char... Read More
Inventors: Kampichler, Gunter;, Assignee: Motorenfabrik Hatz GmbH & Co. (Ruhstorf, DE) |
Minimally invasive mitral valve repair method and apparatus
The present invention provides a number of devices and methods for fastening or "approximating" tissue pieces together. The term "tissue pieces" is to be understood to mean discrete pieces that may be... Read More
Inventors: Allen, William J.; Bachman, Alan; Reed, Scott; Adams, Ray; Steckel, Robert R.;, Assignee: Edwards Lifesciences Corporation (Irvine, CA) |
Adjustable periventricular ring/ring like device/method for control of ischemic mitral regurgitation and congestive heart disease
The objects set forth,, above as well as further and other objects and advantages of the present invention, are achieved by the embodiments of the invention described hereinbelow. The present inventio... Read More
Inventors: Levine, Robert A.; Nathan, Nadia; Handschumacher, Mark; Guerrero, J. Luis;, Assignee: |
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Heart Surgery 
