Method and apparatus for preventing air embolisms
One aspect of the present invention involves providing a method of preventing air embolisms. The method comprises the steps of: (a) providing a fluid source in communication with an aperture extending... Read More
Inventors: Aboul-Hosn, Walid N; Kanz, William R; Spangler, Jonathan;, Assignee: A-Med Systems, Inc. (W. Sacramento, CA) |
Isolation chamber
The present invention provides an isolation chamber that provides containment for a contaminated patient. Advantageously, embodiments of the present invention are usable with different types of stretc... Read More
Inventors: Perlatti, Deano;, Assignee: Seattle Tarp Company (Seattle, WA) |
Flextensional output actuators for surgically implantable hearing aids
This invention relates to devices and methods relating to implantable hearing aids for placement within a middle ear or the inner ear. In particular, the invention includes at least one output actuato... Read More
Inventors: Puria, Sunil; Perkins, Rodney C.;, Assignee: Soundport Corporation (Palo Alto, CA) |
Self-expanding defect closure device and method of making and using
The present invention provides a self-expanding defect closure device that overcomes the many drawbacks and disadvantages of prior devices. The devices of the present invention rely on memory induced ... Read More
Inventors: Shaw, Edward E.; Salunke, Nitin V.; Mace, Gregory T.;, Assignee: W.L. Gore & Associates, Inc. (Newark, DE) |
Method and apparatus for treating pain with therapeutic magnets
What is claimed is: 1. A method of arranging a plurality of therapeutic electromagnetic treatment devices in a fitment, comprising the following steps: a) providing a plurality of the therapeutic elec... Read More
Inventors: Holcomb, Robert Ray;, Assignee: Holcomb Healthcare Services, LLC (Nashville, TN) |
Minimally invasive direct cardiac massage device and method
The cardiac pumping device and method presented below allows for direct cardiac massage in a procedure that can easily be accomplished by emergency medical personnel, paramedics, doctors and nurses, a... Read More
Inventors: Fogarty, Thomas J.; Ryan, Timothy James;, Assignee: Fogarty; Thomas J. (Portola Valley, CA) |
Heater door mechanism for infant warming apparatus
Accordingly, the present invention relates to an infant care apparatus that combines the functions of an infant care warmer and an incubator but in addition, has a door or doors that can close when th... Read More
Inventors: Jones, Thomas C.; Mackin, Michael H.;, Assignee: Datex-Ohmeda, Inc (Madison, WI) |
Prosthetic heart valve with increased valve lumen
A heart valve prosthesis for implantation in the heart of a patient includes a valve housing or body providing a lumen therethrough. At least one occluder in the lumen coupled to the valve body is mov... Read More
Inventors: Brendzel, Avrom M.; Ringdal, James R.; Vanney, Guy P.;, Assignee: St. Jude Medical, Inc. (St. Paul, MN) |
Method of making hollow elastomeric bodies
In accordance with the invention, an annular hollow body having an integral, sharp-cornered flange attached thereto is fabricated by a multiple dip casting process in which a rotating mandrel, prefera... Read More
Inventors: Fletcher, James C. Administrator of the National Aeronautics and Space; Broyles, Howard F.; Moacanin, Jovan; Cuddihy, Edward F.;, Assignee: |
Artificial heart valve made by vacuum forming technique
OF THE PREFERRED EMBODIMENTS Reference is now made to the accompanying drawings wherein like parts are designated with like numerals throughout. Referring specifically to FIGS. 1, 2a, and 2b, one pre... Read More
Inventors: Kolff, Willem J.;, Assignee: University of Utah (Salt Lake City, UT) |
Method of making a blood pumping membrance for artificial ventricles
OF THE INVENTION FIG. 1 shows an artificial ventricle 10 which may be used as a ventricle assist device or as part of the total artificial heart. The ventricle includes a ventricular housing 11, whic... Read More
Inventors: Holfert, John W.; Juretich, Jeffery T.; Dew, Pamela A.;, Assignee: University of Utah Research Foundation (Salt Lake City, UT) |
Device and method for an IAB assist with multiple balloons
The present invention involves the use of two or more intra-aortic balloons which may be of different volume sizes used in conjunction with each other to reduce the overall size of the puncture site o... Read More
Inventors: Saper, Lawrence; Rowe, Stanton; Leschinsky, Boris;, Assignee: Datascope Investment Corp. (Montvale, NJ) |
Apparatus and method for the percutaneous insertion of a pediatric intra-aortic balloon catheter
Accordingly, it is an object of the invention to produce a pediatric intra-aortic balloon catheter which is capable of being inserted percutaneously and sheathlessly. It is another object of the inven... Read More
Inventors: Leschinsky, Boris; Wolvek, Sidney;, Assignee: Datascope Investment Corp (Montvale, NJ) |
Cardiac assist system and method thereof
Briefly, and in general terms, the present invention is directed to a system and method for providing mechanical and/or electrical stimulation to the heart when necessary. The system comprises a ventr... Read More
Inventors: Reinhardt, Robert W.; Levin, Howard R.;, Assignee: Cardio Technologies, Inc. (Pine Brook, NJ) |
Automated system for the radiation treatment of a desired area within the body of a patient
The present invention comprises an automated catheter based radiation delivery system and its method of use for treatment of a desired area within the body of a patient. The system includes a deliver... Read More
Inventors: Hughett, James D.; Webster, Robert Michael; Armstrong, Douglas Layland; Boylston, Byron Lee; Juett, Gregg T.; Hillstead, Richard A.; Griffis, III, Jack C.; Lerohl, Andrew L.; Dehdashtian, Mark; Guiles, Marvin A.;, Assignee: Best Vascular, Inc. (Springfield, VA) |
Carton bottom forming method and apparatus
OF THE INVENTION Referring initially to FIG. 1, the present invention can be best understood by considering a known apparatus for forming the bottom end wall of a rectangular carton 12. Rectangular i... Read More
Inventors: Bressler, Allen; Knutson, Lyle;, Assignee: International Paper Company (Stamford, CT) |
Device for diagnosing body cavity interiors with ultrasonic waves
An object of the present invention is to provide a device for diagnosing body cavity interiors with ultrasonic waves wherein, in case it is introduced into a body cavity, the visual field will not be ... Read More
Inventors: Matsuo, Kazumasa; Nakada, Akio;, Assignee: Olympus Optical Co., Ltd. (Tokyo, JP) |
Gauging system for monitoring channel depth in percutaneous endocardial revascularization
What is claimed is: 1. A gauging system for monitoring channel depth in percutaneous endocardial revascularization surgery, comprising: a catheter for percutaneous insertion into a heart chamber, incl... Read More
Inventors: Negus, Charles Christopher; Linhares, Stephen J.; Rudko, Robert I.; Woodruff, Eileen A.;, Assignee: PLC Medical Systems, Inc. (Franklin, MA) |
Compositions, apparatus and methods for facilitating surgical procedures
Methods, compositions and apparatus are provided which are useful for medical and surgical therapeutic applications. The methods and compositions are useful for cardiac surgery and other procedures, s... Read More
Inventors: Duhaylongsod, Francis G.;, Assignee: Duke University (Durham, NC) |
Pacing channel isolation in multi-site cardiac pacing systems
The present invention is therefore directed to reducing the blanking periods of sense amplifiers employed to sense a cardiac depolarization across a pair of pace/sense electrodes after delivery of a p... Read More
Inventors: Thompson, David L.;, Assignee: Medtronic, Inc. (Minneapolis, MN) |
Fluid cooled pressure garment
The present disclosure describes an improved fluid cooled pressure (anti-G) garment that can effectively reduce disadvantages inherent in currently used garments for example the thermal burden, cockpi... Read More
Inventors: Mah, Donald; Higginbotham, Paul; Leggatt, Jason Bryan; Sheu, Ping Yin;, Assignee: Mustang Survival Corp (Richmond, CA) |
High profile fabric graft for arteriovenous access
The present invention is an AV graft made from synthetic fibers or yarns and having a high external profile to facilitate tissue ingrowth and to provide self-sealing of the graft after puncture by a d... Read More
Inventors: Staudenmeier, Marianne W.;, Assignee: SciMed Life Systems, Inc. (Maple Grove, MN) |
Multiple conduit drainage device
What we claim is: 1. A unitary multiple conduit flexible drainage device in which the individual conduits may be parted at their distal ends upon application of a parting force, comprising: a common m... Read More
Inventors: Melinyshyn, Lev; Goldberg, Edward M.;, Assignee: Uresil Corporation (Skokie, IL) |
Trocar catheter
It has now been discovered that the above and other objects of the present invention may be accomplished in the following manner. Specifically, the present invention provides a catheter device useful ... Read More
Inventors: James, George K.;, Assignee: Vascular Products, Inc. (Palm Harbor, FL) |
Obturator with rotating, resettable safety shield
The present invention is directed to an obturator usable with a hollow trocar body. The obturator has a pivotal safety shield at the obturator's tip. The safety shield is pivotally mounted to the tip ... Read More
Inventors: Haber, Terry M.; Smedley, William H.; Foster, Clark B.;, Assignee: Habley Medical Technology Corp. (Laguna Hills, CA) |
Perfusion shunt device and method
According to the present invention, apparatus and methods are provided for establishing perfusion blood flow past an expanded balloon in a blood vessel during angioplasty and related procedures. Appar... Read More
Inventors: Klein, Enrique J.; Goeld, Paul M.;, Assignee: Localmed, Inc. (Palo Alto, CA) |
Catheter introducer
We claim: 1. A catheter introducer comprising: a sheath section having distal and proximal end portions. a generally cylindrical sheath hub formed on said proximal end portion of said sheath section, ... Read More
Inventors: Okada, Yosuka; Kurimoto, Munehito;, Assignee: Sherwood Medical Company (St. Louis, MO) |
System and method for determining the flow rate of blood in a vessel using doppler frequency signals
What is claimed is: 1. A system for determining flow rate of blood in a vessel which communicates the blood between two locations of a patient, the system comprising: a conduit in communication with t... Read More
Inventors: Weitzel, William F.;, Assignee: The Regents of the University of Michigan (Ann Arbor, MI) |
Combination sheath and catheter for cardiovascular use
A vascular interventional device is provided that may be introduced over a guidewire into a vessel of the cardiovascular system of a patient. This device includes a hollow, flexible tube having a prox... Read More
Inventors: Stratienko, Alexander Andrew;, Assignee: |
Implantable heart assist system and method of applying same
The object of the present invention is to address the aspect of CHF that results from altered pump function and abnormal circulatory dynamics while overcoming the limitations of prior art heart assist... Read More
Inventors: Bolling, Steven F.; Viole, Anthony; O'Leary, Shawn;, Assignee: Orqis Medical Corporation (Lake Forest, CA) |
Heart Surgery 
