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).
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Patent number: 7828187Abstract: 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: GrantFiled: August 26, 2009Date of Patent: November 9, 2010Assignee: Tyco Healthcare Group LPInventors: David T Green, Henry Bolanos, Wayne Young, Stephan A DeFonzo, Richard A McGarry, Dominick L Mastri
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Patent number: 7704266Abstract: 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: GrantFiled: July 12, 2004Date of Patent: April 27, 2010Assignee: Rex Medical, L.P.Inventors: John H. Thinnes, Jr., James F. McGuckin, Jr., Stephan A. DeFonzo, Lindsay L. Carter
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Patent number: 7681772Abstract: 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: GrantFiled: October 30, 2007Date of Patent: March 23, 2010Inventors: David T. Green, Henry Bolanos, Wayne Young, Stephan A. DeFonzo, Richard A. McGarry, Dominick L. Mastri
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Patent number: 7662161Abstract: 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: GrantFiled: May 17, 2004Date of Patent: February 16, 2010Assignee: Rex Medical, L.PInventors: Richard T. Briganti, James F. McGuckin, Jr., Walter H. Peters, James S. Tarmin, Stephan A. DeFonzo
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Publication number: 20090314820Abstract: 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: ApplicationFiled: August 26, 2009Publication date: December 24, 2009Applicant: United States Surgical CorporationInventors: David T. Green, Henry Bolanos, Wayne Young, Stephan A. DeFonzo, Richard A. McGarry, Dominick L. Mastri
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Publication number: 20090312687Abstract: 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: ApplicationFiled: July 3, 2009Publication date: December 17, 2009Applicant: Rex Medical, LP.Inventors: Stephan A. DeFonzo, John D. Leedle
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Publication number: 20090308908Abstract: 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: ApplicationFiled: August 26, 2009Publication date: December 17, 2009Applicant: United States Surgical CorporationInventors: David T. Green, Henry Bolanos, Wayne Young, Stephan A. DeFonzo, Richard A. McGarry, Dominick L. Mastri
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Patent number: 7624903Abstract: 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: GrantFiled: January 8, 2004Date of Patent: December 1, 2009Inventors: David T. Green, Henry Bolanos, Wayne Young, Stephan A. DeFonzo, Richard A. McGarry, Dominick L. Mastri
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Publication number: 20090105535Abstract: 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: ApplicationFiled: October 30, 2007Publication date: April 23, 2009Inventors: David T. Green, Henry Bolanos, Wayne Young, Stephan A. DeFonzo, Richard A. McGarry, Dominick L. Mastri
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Publication number: 20080312578Abstract: 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: ApplicationFiled: March 28, 2008Publication date: December 18, 2008Inventors: Stephan A. DeFonzo, John D. Leedle
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Publication number: 20080097518Abstract: 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: ApplicationFiled: October 30, 2007Publication date: April 24, 2008Inventors: John Thinnes, James McGuckin, Stephan DeFonzo, Lindsay Carter
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Patent number: 7344518Abstract: 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: GrantFiled: April 30, 2004Date of Patent: March 18, 2008Assignee: Rex Medical, L.P.Inventors: James F. McGuckin, Jr., Stephan A. DeFonzo, Alim S. Alli, Peter W. J. Hinchliffe
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Patent number: 7331947Abstract: 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: GrantFiled: January 13, 2004Date of Patent: February 19, 2008Assignee: Rex Medical, L.P.Inventors: James F. McGuckin, Jr., Stephan A. DeFonzo, Alim S. Alli, Peter W. J. Hinchliffe
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Patent number: 7179275Abstract: 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: GrantFiled: October 30, 2003Date of Patent: February 20, 2007Assignee: Rex Medical, L.P.Inventors: James F. McGuckin, Jr., Richard T. Briganti, Stephan A. DeFonzo, John H. Thinnes, Jr.
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Patent number: 7087040Abstract: 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: GrantFiled: February 12, 2002Date of Patent: August 8, 2006Assignee: Rex Medical, L.P.Inventors: James F. McGuckin, Jr., Stephan A. DeFonzo
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Publication number: 20060030847Abstract: 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: ApplicationFiled: September 30, 2005Publication date: February 9, 2006Inventors: James McGuckin, Peter Hinchliffe, Stephan Defonzo
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Patent number: 6989004Abstract: 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: GrantFiled: May 14, 2002Date of Patent: January 24, 2006Assignee: Rex Medical, L.P.Inventors: Peter W. J. Hinchliffe, James F. McGuckin, Jr., Stephan A. Defonzo
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Patent number: 6981966Abstract: 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: GrantFiled: May 23, 2003Date of Patent: January 3, 2006Assignee: United States SurgicalInventors: David T. Green, Henry Bolanos, Salvatore Castro, Henry Sienkiewicz, Stephan A. DeFonzo, Douglas J. Cuny, Wayne P. Young
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Patent number: 6960172Abstract: 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: GrantFiled: August 15, 2003Date of Patent: November 1, 2005Assignee: Rex Medical, L.P.Inventors: James F. McGuckin, Jr., Peter W. J. Hinchliffe, Stephan A. Defonzo
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Publication number: 20050165442Abstract: 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: ApplicationFiled: July 12, 2004Publication date: July 28, 2005Inventors: John Thinnes, James McGuckin, Stephan DeFonzo, Lindsay Carter