Patents Assigned to Divysio Solutions ULC
  • Patent number: 6217608
    Abstract: An expandable stent comprising a proximal end and a distal end in communication with one another and a tubular wall disposed between the proximal end and the distal end. The tubular wall has a longitudinal axis and a porous surface defined by a plurality of intersecting members comprising a series of longitudinal struts disposed substantially parallel to the longitudinal axis of the stent. Each longitudinal strut in the series comprises flexure means for substantially complementary extension and compression of a diametrically opposed pair of the longitudinal struts upon flexure of the stent. The stent is expandable from a first, contracted position to a second, expanded position upon the application of a radially outward force on the stent. The provision of such flexure means in the series of longitudinal struts leads to a very desirable balance of lateral flexibility of the unexpanded stent and radial rigidity of the expanded stent.
    Type: Grant
    Filed: February 16, 1999
    Date of Patent: April 17, 2001
    Assignee: Divysio Solutions ULC
    Inventors: Ian M. Penn, Donald R. Ricci
  • Patent number: 6033435
    Abstract: An expandable bifurcated stent comprising a proximal end and a distal end in communication with one another. The proximal end comprises a primary passageway and the distal end comprises a pair of secondary passageways. The stent is expandable from a first, contracted position to a second, expanded position upon the application of a radially outward force exerted on the stent. Each of the primary passageway and the secondary passageway being constructed of has a porous surface. A method for production of a bifurcated stent is also described. Preferably, the method comprises the step of connecting a first stent section to a second stent section, the first stent section having an end thereof adapted for connection to an opening disposed along the length of a second stent section.
    Type: Grant
    Filed: November 3, 1997
    Date of Patent: March 7, 2000
    Assignee: Divysio Solutions ULC
    Inventors: Ian M. Penn, Donald R. Ricci, George A. Shukov
  • Patent number: 5906640
    Abstract: An expandable bifurcated stent comprising a proximal end and a distal end in communication with one another. The proximal end comprises a primary passageway and the distal end comprises a pair of secondary passageways. The stent is expandable from a first, contracted position to a second, expanded position upon the application of a radially outward force exerted on the stent. Each of the primary passageway and the secondary passageway being constructed of has a porous surface. A method for production of a bifurcated stent is also described. Preferably, the method comprises the step of connecting a first stent section to a second stent section, the first stent section having an end thereof adapted for connection to an opening disposed along the length of a second stent section.
    Type: Grant
    Filed: May 2, 1997
    Date of Patent: May 25, 1999
    Assignee: Divysio Solutions ULC
    Inventors: Ian M. Penn, Donald R. Ricci, George A. Shukov
  • Patent number: 5755771
    Abstract: An expandable stent comprising a proximal end and a distal end in communication with one another, a tubular wall disposed between the proximal end and the distal end, the tubular wall having a longitudinal axis and a porous surface defined by a plurality intersecting members arranged to define a first repeating pattern which is a polygon having a pair of side walls substantially parallel to the longitudinal axis, a first concave-shaped wall and a second convex-shaped wall connecting the side walls, the first wall and the second wall being equidistant along an axis which is parallel to the longitudinal axis, the stent being expandable from a first, contracted position to a second, expanded position upon the application of a radially outward force on the interior of the stent.
    Type: Grant
    Filed: February 28, 1996
    Date of Patent: May 26, 1998
    Assignee: Divysio Solutions ULC
    Inventors: Ian M. Penn, Donald R. Ricci