Patents by Inventor Celso S. J. Bagaoisan

Celso S. J. Bagaoisan 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).

  • Intravascular catheter with a replaceable shaft section
    Patent number: 5498240
    Abstract: An intravascular catheter such as a dilatation catheter for angioplasty procedures having a removable distal shaft section. The catheter construction allows the original distal shaft section of the catheter to be removed and a replacement distal shaft section to be secured to the proximal section which is useful with angioplasty catheters when the dimensions of the balloon on the original distal shaft section are inappropriate for dilating a particular stenotic region. Such catheter construction is also useful when there is a need to implant a stent into a dilated stenotic region to maintain its patency.
    Type: Grant
    Filed: May 27, 1994
    Date of Patent: March 12, 1996
    Assignee: Advanced Cardiovascular Systems, Inc.
    Inventors: Celso S. J. Bagaoisan, John P. Shanahan, Ketan P. Muni, Elizabeth N. Hammack, Robert M. Abrams, James C. Peacock, III, William S. Tremulis
  • Dilation catheter with a smooth transition between a stiff proximal portion and a flexible distal portion
    Patent number: 5480383
    Abstract: A balloon dilatation having a catheter shaft with inner and outer tubular members with the proximal portion of the inner tubular member being formed of a pseudoelastic NiTi alloy having an A.sub.f at or below body temperature. The austenite phase is stable at body temperature exhibits a stress induced transformation, to the martensite phase which has a much lower modulus of elasticity than the austenite phase. The distal portion of the inner tubular member is formed of a flexible plastic material. The junction of the proximal and distal portions of the inner tubular member is preferably supported by a transition sleeve formed of a high strength plastic such as polyimide to provide a smoother transition between the proxima and distal portions of the inner tubular member and in turn the proximal and distal portion of the catheter shaft.
    Type: Grant
    Filed: May 27, 1994
    Date of Patent: January 2, 1996
    Assignee: Advanced Cardiovascular Systems, Inc.
    Inventors: Celso S. J. Bagaoisan, Hung V. Ha
  • Intravascular catheter with replaceable shaft section
    Patent number: RE39668
    Abstract: An intravascular catheter such as a dilatation catheter for angioplasty procedures having a removable distal shaft section. The catheter construction allows the original distal shaft section of the catheter to be removed and a replacement distal shaft section to be secured to the proximal section which is useful with angioplasty catheters when the dimensions of the balloon on the original distal shaft section are inappropriate for dilating a particular stenotic region. Such catheter construction is also useful when there is a need to implant a stent into a dilated stenotic region to maintain its patency.
    Type: Grant
    Filed: April 16, 1997
    Date of Patent: May 29, 2007
    Inventors: Celso S. J. Bagaoisan, John P. Shanahan, Ketan P. Muni, Elizabeth N. Hammack, Robert M. Abrams, James C. Peacock, III, William S. Tremulis