Patents by Inventor Richard Rhee

Richard Rhee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6071307
    Abstract: An endoluminal grafts is provided which is constructed to be radially collapsed and/or radially compressed to a small diameter. The graft has wireforms which generally comprise a wire deformed into generally annular configuration and consisting of a plurality of curvilinear wave forms. The wave forms have a plurality of first apices in linear alignment with each other, a plurality of second apices in linear alignment with each other, and a plurality of curvilinear segments traversing back and forth between said first and second apices. The graft is i) initially disposable in a radially compact configuration of a first diameter and ii) subsequently expandable to a radially expanded configuration of a second diameter, said second diameter being larger than said first diameter.
    Type: Grant
    Filed: September 30, 1998
    Date of Patent: June 6, 2000
    Assignee: Baxter International Inc.
    Inventors: Richard Rhee, John McIntyre, Seik Oh
  • Patent number: 6004329
    Abstract: A multi-purpose surgical implement handle has proximal and distal ends. A gripping section is located toward the proximal end, and an attachment section is located toward the distal end. An adjusting section is interposed between the gripping section and the attachment section. The adjusting section may be bent by a human user at virtually any discrete location along the section. The adjusting section may include an increased-adjustability portion which is easier to bend than other portions of the adjusting section.
    Type: Grant
    Filed: February 27, 1998
    Date of Patent: December 21, 1999
  • Patent number: 5814096
    Abstract: An aortic valve sizing obturator apparatus for employment in determining the correct size of an aortic annulus. The apparatus includes a cylindrical obturator body with a flange member formed thereabout. At least the under surface of the flange member is of a non-planar, multi-curvate configuration to thereby be complimentary in shape to the annulus of an aortic valve when seated in the annulus during size determination. Within the cylindrical obturator body can be disposed a handle connector to which a handle can be attached during placement of the obturator apparatus within an annulus. The present invention also includes methodology for determining the size of an aortic valve annulus by employing a plurality of differently-sized aortic valve sizing obturators defined above and individually seating them sequentially within the aortic annulus until an obturator that reflects annulus size is located.
    Type: Grant
    Filed: October 24, 1997
    Date of Patent: September 29, 1998
    Assignee: Baxter International Inc.
    Inventors: Hung Lam, Lisa Deseran, Richard Rhee
  • Patent number: 5804366
    Abstract: An apparatus for sodding onto the inner lumenal surface of a synthetic graft of harvested and concentrated microvessel endothelial cells from liposuctioned fat tissues, which harvested cells are formed into a "pellet" of isolated endothelial cells in loose aggregations, includes a sodding tube having a single rigid outer wall bounding a sodding chamber. A filter pack assembly is provided to communicate the pellet of cells from a processing vessel to the graft. This filter pack assembly includes a series of successively finer filter members cooperatively defining a series of turbulent-flow chambers in which aggregations of cells too large to pass through a particular filter are exposed to liquid flow turbulence which is effective to break up the aggregations.
    Type: Grant
    Filed: February 9, 1995
    Date of Patent: September 8, 1998
    Assignee: Baxter International Inc.
    Inventors: Can B. Hu, Minh T. Ma, Than Nguyen, Richard Rhee, Keith Myers
  • Patent number: 5800531
    Abstract: In general, the present invention comprises an holding apparatus for facilitating implantation of a prosthetic heart valve within a mammalian heart. The holding apparatus generally comprises a cage or enclosure having a heart valve prosthesis retention space defined therewith. The proximal end of the holding apparatus is releasably attached to the proximal end of the heart valve prosthesis such that, when the holding apparatus is advanced in a forward direction, a "pulling" force will be exerted upon the proximal end of the prosthesis, rather than a "pushing" force being exerted upon the distal end of the prosthesis.
    Type: Grant
    Filed: September 30, 1996
    Date of Patent: September 1, 1998
    Assignee: Baxter International Inc.
    Inventors: Delos M. Cosgrove, Richard Rhee, Diana Nguyen
  • Patent number: 5409833
    Abstract: A processing vessel for isolating microvessel endothelial cells from liposuctioned fat tissues includes a fat-receiving basket defined by polyester screen material. Fat tissue removed from a patient by liposuction is received into the basket and is rinsed and digested with an enzymatic solution. The freed microvessel endothelial cells from the fat tissues are separated from the fat cells, and from blood cells and other materials which may be present in the basket by centrifuging. A bottom chamber of the processing vessel is configured to define a "pellet" of isolated endothelial cells which may be removed from the processing vessel for deposition on the inner lumenal surface of a synthetic graft which the fat-donor patient is to receive.
    Type: Grant
    Filed: July 1, 1993
    Date of Patent: April 25, 1995
    Assignee: Baxter International Inc.
    Inventors: Can B. Hu, Minh T. Ma, Than Nguyen, Richard Rhee, Keith Myers