Patents by Inventor Stephan A. DeFonzo

Stephan A. DeFonzo 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: 7828187
    Abstract: An apparatus for endoscopic application of surgical staples adapted to attach surgical mesh to body tissue includes a frame and an elongated endoscopic section connected to the frame and extending distally therefrom. A staple storage cartridge is removably supported on a pivotal support system at the distal end portion of the endoscopic section. An elongated pusher system is provided for individually advancing at least one staple at a time distally. The pusher system includes a trigger system to actuate the pusher. The trigger system is provided with perceptible tactile sensing means to indicate when the legs of the staple being advanced are exposed so as to be visible to the user for positioning and orientation purposes.
    Type: Grant
    Filed: August 26, 2009
    Date of Patent: November 9, 2010
    Assignee: Tyco Healthcare Group LP
    Inventors: David T Green, Henry Bolanos, Wayne Young, Stephan A DeFonzo, Richard A McGarry, Dominick L Mastri
  • Patent number: 7704266
    Abstract: A vessel filter comprising a first region and a second region wherein the filter is movable between a collapsed position for delivery to the vessel and an expanded position for placement within the vessel. A first region has a filter portion having a converging region to direct particles toward the center of the filter and the second region is flared in the expanded position to have a transverse dimension increasing toward a second end portion opposite the first end portion. The second region includes a vessel engaging portion at the second end portion. The first region includes a plurality of spaced apart elongated struts with adjacent struts being joined.
    Type: Grant
    Filed: July 12, 2004
    Date of Patent: April 27, 2010
    Assignee: Rex Medical, L.P.
    Inventors: John H. Thinnes, Jr., James F. McGuckin, Jr., Stephan A. DeFonzo, Lindsay L. Carter
  • Patent number: 7681772
    Abstract: An apparatus for endoscopic application of surgical staples adapted to attach surgical mesh to body tissue in laparoscopic hernia surgery includes an elongate member defining a longitudinal axis, a cartridge, an anvil, and a control member located in a proximal region of the elongate member. The cartridge is removably supported on a pivotal support system at the distal end portion of the endoscopic section with each staple being configured and adapted to attach the mesh to the body tissue. The anvil provides for individually closing each staple to encompass at least a portion of the surgical mesh and to penetrate the body tissue in a manner to attach the portion of the mesh to body tissue. The control member is axially movable along the longitudinal axis to articulate the cartridge. The control member is also rotatable to rotate the cartridge.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: March 23, 2010
    Inventors: David T. Green, Henry Bolanos, Wayne Young, Stephan A. DeFonzo, Richard A. McGarry, Dominick L. Mastri
  • Patent number: 7662161
    Abstract: A device for closing an aperture in a vessel wall comprising an elongated member having a longitudinal axis and positionable inside the vessel against the internal opening of the aperture. The elongated member has a dimension to prevent egress of fluid through the aperture. A material forms two curved legs having ends positionable external of the vessel. The legs curve in different directions and a retention portion is formed in the material to retain the legs during placement of the elongated member inside the vessel.
    Type: Grant
    Filed: May 17, 2004
    Date of Patent: February 16, 2010
    Assignee: Rex Medical, L.P
    Inventors: Richard T. Briganti, James F. McGuckin, Jr., Walter H. Peters, James S. Tarmin, Stephan A. DeFonzo
  • Publication number: 20090314820
    Abstract: An apparatus is disclosed for endoscopic application of surgical staples adapted to attach surgical mesh to body tissue in laparoscopic hernia surgery. The apparatus includes a frame, and a generally elongated endoscopic section connected to the frame and extending distally therefrom. A staple storage cartridge is removably supported on a pivotal support system at the distal end portion of the endoscopic section with each staple being configured and adapted to attach the mesh to the body tissue. An elongated pusher system formed of several assembled components and extending from the frame to the endoscopic section is provided for individually advancing at least one staple at a time distally for positioning adjacent the surgical mesh and the body tissue. The pusher system also includes a trigger system to actuate the pusher.
    Type: Application
    Filed: August 26, 2009
    Publication date: December 24, 2009
    Applicant: United States Surgical Corporation
    Inventors: David T. Green, Henry Bolanos, Wayne Young, Stephan A. DeFonzo, Richard A. McGarry, Dominick L. Mastri
  • Publication number: 20090312687
    Abstract: A medical catheter comprising a first return lumen, a plurality of withdrawal lumens, a first clamping member and a plurality of intake extension tubes. Each intake extension tube communicates with an intake lumen of the catheter to provide fluid communication with the respective intake lumens. The intake extension tubes are positioned in a stacked arrangement, and the clamping member has a plurality of posts to receive the stacked tubes to limit lateral movement thereof.
    Type: Application
    Filed: July 3, 2009
    Publication date: December 17, 2009
    Applicant: Rex Medical, LP.
    Inventors: Stephan A. DeFonzo, John D. Leedle
  • Publication number: 20090308908
    Abstract: An apparatus is disclosed for endoscopic application of surgical staples adapted to attach surgical mesh to body tissue in laparoscopic hernia surgery. The apparatus includes a frame, and a generally elongated endoscopic section connected to the frame and extending distally therefrom. A staple storage cartridge is removably supported on a pivotal support system at the distal end portion of the endoscopic section with each staple being configured and adapted to attach the mesh to the body tissue. An elongated pusher system formed of several assembled components and extending from the frame to the endoscopic section is provided for individually advancing at least one staple at a time distally for positioning adjacent the surgical mesh and the body tissue. The pusher system also includes a trigger system to actuate the pusher.
    Type: Application
    Filed: August 26, 2009
    Publication date: December 17, 2009
    Applicant: United States Surgical Corporation
    Inventors: David T. Green, Henry Bolanos, Wayne Young, Stephan A. DeFonzo, Richard A. McGarry, Dominick L. Mastri
  • Patent number: 7624903
    Abstract: An apparatus is disclosed for endoscopic application of surgical staples adapted to attach surgical mesh to body tissue in laparoscopic hernia surgery. The apparatus includes a frame, and a generally elongated endoscopic section connected to the frame and extending distally therefrom. A staple storage cartridge is removably supported on a pivotal support system at the distal end portion of the endoscopic section with each staple being configured and adapted to attach the mesh to the body tissue. An elongated pusher system formed of several assembled components and extending from the frame to the endoscopic section is provided for individually advancing at least one staple at a time distally for positioning adjacent the surgical mesh and the body tissue. The pusher system also includes a trigger system to actuate the pusher.
    Type: Grant
    Filed: January 8, 2004
    Date of Patent: December 1, 2009
    Inventors: David T. Green, Henry Bolanos, Wayne Young, Stephan A. DeFonzo, Richard A. McGarry, Dominick L. Mastri
  • Publication number: 20090105535
    Abstract: An apparatus is disclosed for endoscopic application of surgical staples adapted to attach surgical mesh to body tissue in laparoscopic hernia surgery. The apparatus includes a frame, and a generally elongated endoscopic section connected to the frame and extending distally therefrom. A staple storage cartridge is removably supported on a pivotal support system at the distal end portion of the endoscopic section with each staple being configured and adapted to attach the mesh to the body tissue. An elongated pusher system formed of several assembled components and extending from the frame to the endoscopic section is provided for individually advancing at least one staple at a time distally for positioning adjacent the surgical mesh and the body tissue. The pusher system also includes a trigger system to actuate the pusher.
    Type: Application
    Filed: October 30, 2007
    Publication date: April 23, 2009
    Inventors: David T. Green, Henry Bolanos, Wayne Young, Stephan A. DeFonzo, Richard A. McGarry, Dominick L. Mastri
  • Publication number: 20080312578
    Abstract: A medical catheter comprising a first return lumen, a plurality of withdrawal lumens, a first clamping member and a plurality of intake extension tubes. Each intake extension tube communicates with an intake lumen of the catheter to provide fluid communication with the respective intake lumens. The intake extension tubes are positioned in a stacked arrangement, and the clamping member has a plurality of posts to receive the stacked tubes to limit lateral movement thereof.
    Type: Application
    Filed: March 28, 2008
    Publication date: December 18, 2008
    Inventors: Stephan A. DeFonzo, John D. Leedle
  • Publication number: 20080097518
    Abstract: A vessel filter comprising a first region and a second region wherein the filter is movable between a collapsed position for delivery to the vessel and an expanded position for placement within the vessel. A first region has a filter portion having a converging region to direct particles toward the center of the filter and the second region is flared in the expanded position to have a transverse dimension increasing toward a second end portion opposite the first end portion. The second region includes a vessel engaging portion at the second end portion. The first region includes a plurality of spaced apart elongated struts with adjacent struts being joined.
    Type: Application
    Filed: October 30, 2007
    Publication date: April 24, 2008
    Inventors: John Thinnes, James McGuckin, Stephan DeFonzo, Lindsay Carter
  • Patent number: 7344518
    Abstract: A surgical apparatus for delivering fluid to treat a lesion comprising an elongated member having a distal tip and a plurality of slots formed in a sidewall proximal of the distal tip, a plurality of fluid delivery members positioned in the elongated member and having a lumen and at least one opening communicating with the lumen for delivering fluid to the lesion, and an actuator actuable to a first position to move the plurality of fluid delivery members from a retracted position within the elongated member to a first deployed position extending radially with respect to the elongated member and actuable to a second position to move the plurality of fluid delivery members from the first position to a second deployed position extending further radially from the elongated member.
    Type: Grant
    Filed: April 30, 2004
    Date of Patent: March 18, 2008
    Assignee: Rex Medical, L.P.
    Inventors: James F. McGuckin, Jr., Stephan A. DeFonzo, Alim S. Alli, Peter W. J. Hinchliffe
  • Patent number: 7331947
    Abstract: A surgical apparatus for delivering fluid to treat a lesion comprising an elongated member having a distal tip and a plurality of slots formed in a sidewall proximal of the distal tip, a plurality of fluid delivery members positioned in the elongated member and having a lumen and at least one opening communicating with the lumen for delivering fluid to the lesion, and an actuator actuable to a first position to move the plurality of fluid delivery members from a retracted position within the elongated member to a first deployed position extending radially with respect to the elongated member and actuable to a second position to move the plurality of fluid delivery members from the first position to a second deployed position extending further radially from the elongated member.
    Type: Grant
    Filed: January 13, 2004
    Date of Patent: February 19, 2008
    Assignee: Rex Medical, L.P.
    Inventors: James F. McGuckin, Jr., Stephan A. DeFonzo, Alim S. Alli, Peter W. J. Hinchliffe
  • Patent number: 7179275
    Abstract: A vein filter movable between a collapsed position for delivery to the vessel and an expanded position for placement within the vessel. The first region of the filter has a mounting portion for mounting the vessel filter within the vessel and a first filter portion converging to form a first converging region at a first end portion, positioned radially and axially inwardly of an end of the mounting portion. The second region of the filter has a transverse dimension decreasing toward a second end portion opposite the first end portion to form a second filter portion at the second end portion on the opposing side of the filter from the first filter portion.
    Type: Grant
    Filed: October 30, 2003
    Date of Patent: February 20, 2007
    Assignee: Rex Medical, L.P.
    Inventors: James F. McGuckin, Jr., Richard T. Briganti, Stephan A. DeFonzo, John H. Thinnes, Jr.
  • Patent number: 7087040
    Abstract: A surgical apparatus for delivering fluid to treat a lesion comprising a housing, an elongated member extending from the housing, and a plurality of tines positioned in the housing. Each of the tines has a lumen and at least one opening communicating with the lumen for delivering fluid to the lesion. An actuator is operatively associated with the tines and actuable to a first position to move the plurality of tines from a retracted position substantially within the elongated member to a first deployed position extending from the elongated member and actuable to a second position to move the plurality of tines from the first position to a second deployed position.
    Type: Grant
    Filed: February 12, 2002
    Date of Patent: August 8, 2006
    Assignee: Rex Medical, L.P.
    Inventors: James F. McGuckin, Jr., Stephan A. DeFonzo
  • Publication number: 20060030847
    Abstract: A surgical biopsy apparatus for cutting tissue comprising a housing having a longitudinal axis, first and second members movable from a retracted position to an extended position with respect to the housing, a third member slidably positioned and extendable with respect to the first member, a fourth member slidably positioned and extendable with respect to the second member, and an electrocautery cutting wire slidable with respect to the third and fourth members to surround a region of tissue positioned between the third and fourth members to cut the tissue.
    Type: Application
    Filed: September 30, 2005
    Publication date: February 9, 2006
    Inventors: James McGuckin, Peter Hinchliffe, Stephan Defonzo
  • Patent number: 6989004
    Abstract: A surgical apparatus for delivering fluid to treat a lesion comprising an elongated member having a distal tip and a first and second set of openings formed in a sidewall proximal of the distal tip. The second set of openings is positioned proximally of the first set of openings. First and second set of fluid delivery members are movably positioned in the elongated for delivering fluid to the lesion. An actuator moves the fluid delivery members from a retracted position within the elongated members to a first deployed position extending radially with respect to the elongated member and moves the fluid delivery members from the first deployed position to a second deployed position extending further radially from the elongated member. The fluid delivery members are retained in the first and second deployed positions by a retention member.
    Type: Grant
    Filed: May 14, 2002
    Date of Patent: January 24, 2006
    Assignee: Rex Medical, L.P.
    Inventors: Peter W. J. Hinchliffe, James F. McGuckin, Jr., Stephan A. Defonzo
  • Patent number: 6981966
    Abstract: A valve assembly is provided for permitting the introduction of a surgical instrument into a patient's body while providing a substantial seal about the instrument. The valve assembly includes a sealing gasket assembly providing a fluid tight seal before instrument insertion, and is configured and dimensioned for accommodating an instrument and providing a substantial fluid tight seal after insertion of an instrument. The valve assembly may further include a deformable sealing member having a substantially central aperture for accommodating the instrument. The sealing member provides a substantial seal about the instrument when the instrument is passed therethrough impeding the egress of fluids and gasses through the valve assembly.
    Type: Grant
    Filed: May 23, 2003
    Date of Patent: January 3, 2006
    Assignee: United States Surgical
    Inventors: David T. Green, Henry Bolanos, Salvatore Castro, Henry Sienkiewicz, Stephan A. DeFonzo, Douglas J. Cuny, Wayne P. Young
  • Patent number: 6960172
    Abstract: A surgical biopsy apparatus for cutting tissue comprising a housing having a longitudinal axis, first and second members movable from a retracted position to an extended position with respect to the housing, a third member slidably positioned and extendable with respect to the first member, a fourth member slidably positioned and extendable with respect to the second member, and an electrocautery cutting wire slidable with respect to the third and fourth members to surround a region of tissue positioned between the third and fourth members to cut the tissue.
    Type: Grant
    Filed: August 15, 2003
    Date of Patent: November 1, 2005
    Assignee: Rex Medical, L.P.
    Inventors: James F. McGuckin, Jr., Peter W. J. Hinchliffe, Stephan A. Defonzo
  • Publication number: 20050165442
    Abstract: A vessel filter comprising a first region and a second region wherein the filter is movable between a collapsed position for delivery to the vessel and an expanded position for placement within the vessel. A first region has a filter portion having a converging region to direct particles toward the center of the filter and the second region is flared in the expanded position to have a transverse dimension increasing toward a second end portion opposite the first end portion. The second region includes a vessel engaging portion at the second end portion. The first region includes a plurality of spaced apart elongated struts with adjacent struts being joined.
    Type: Application
    Filed: July 12, 2004
    Publication date: July 28, 2005
    Inventors: John Thinnes, James McGuckin, Stephan DeFonzo, Lindsay Carter