Patents by Inventor Timothy Sargeant
Timothy Sargeant 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: 8608775Abstract: A wound closure device includes a first applicator including a handle portion and a substrate engaging portion and a second applicator including a handle portion and a substrate engaging portion. A first substrate is releasably couplable to the substrate engaging portion of the first applicator and includes a tissue reactive surface and a self-reactive surface. A second substrate is releasably couplable to the substrate engaging portion of the second applicator and includes a tissue reactive surface and a self-reactive surface. The self-reactive surfaces of the first and second substrates each possess reactive groups known to have complementary functionality for bonding the first and second substrates together.Type: GrantFiled: January 10, 2012Date of Patent: December 17, 2013Assignee: Covidien LPInventor: Timothy Sargeant
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Patent number: 8591950Abstract: The present disclosure relates to a hydrogel composition and methods of using the same. The hydrogel composition may include precursors that react with each other upon contact as well as precursors that react upon contact with an initiator. In embodiments, the resulting hydrogels may have varying levels of crosslinking with both denser and less dense regions.Type: GrantFiled: May 24, 2011Date of Patent: November 26, 2013Assignee: Covidien LPInventors: Steven Bennett, Nathaniel Mast, Kevin Lavigne, Walter Skalla, Timothy Sargeant, Joshua Stopek
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Publication number: 20130245680Abstract: A surgical tape applicator includes a dispenser housing, a protective liner, and a surgical tape. The dispenser housing has a proximal end and a distal end and defines a passageway therethrough. The protective liner is disposed within the passageway of the housing. The surgical tape is at least partially disposed within the dispenser housing and protected by the protective liner. The surgical tape has a first surface and a second surface each having at least one tissue reactive component.Type: ApplicationFiled: February 27, 2013Publication date: September 19, 2013Applicant: Covidien LPInventors: Timothy Sargeant, Frank Viola, Kevin Condrin
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Publication number: 20130245677Abstract: A surgical portal apparatus includes a sleeve having a proximal end and a distal end that extends along a longitudinal axis, and a surgical tape. The sleeve includes an inner wall defining an internal longitudinal passageway dimensioned for permitting passage of a surgical object therethrough and an outer wall configured for positioning against tissue. The inner and outer walls define at least a partial annular space therebetween, the annular space being in fluid communication with an opening in the outer wall. The surgical tape includes a body portion retained within the annular space of the sleeve and a leading tab extendable through the opening in the outer wall of the sleeve. The surgical tape has a first surface and a second surface, each of the first and second surfaces having at least one of tissue reactive functional groups and self-reactive functional groups.Type: ApplicationFiled: February 27, 2013Publication date: September 19, 2013Applicant: COVIDIEN LPInventors: Timothy Sargeant, Arpan Desai, Joshua Stopek, Atu Agawu, Saumya Banerjee, Frank Viola
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Publication number: 20130172915Abstract: The present disclosure describes implantable medical devices which include at least one tissue-gripping element, such as a barbed loop or a barbed and spiked nap. In certain embodiments, the implantable medical devices include a biocompatible substrate having a surface containing at least one barbed loop. The at least one barbed loop may protrude perpendicularly from the surface of the biocompatible substrate. In embodiments, a plurality of barbed loops may be positioned along any portion of the surface of the biocompatible substrate.Type: ApplicationFiled: August 10, 2011Publication date: July 4, 2013Applicant: COVIDIEN LPInventors: Jonathan Thomas, Timothy Sargeant
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Patent number: 8349349Abstract: Compositions provided by mixing a biotin-containing component and an avidin-containing component are useful as an adhesive or sealant for medical/surgical uses.Type: GrantFiled: May 27, 2010Date of Patent: January 8, 2013Assignee: Covidien LPInventors: Timothy Sargeant, Joshua Stopek, Ahmad Robert Hadba
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Publication number: 20130006301Abstract: A method of treating tissue defects includes placing at least one polymeric sheet over a tissue defect, in embodiments a lumen defect, to define a defect volume and filling the defect volume with at least one hydrogel precursor including at least one reactive functional group.Type: ApplicationFiled: May 29, 2012Publication date: January 3, 2013Applicant: Tyco Healthcare Group LPInventors: Timothy Sargeant, Jonathan Thomas
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Publication number: 20120277773Abstract: A method for attaching an implant to tissue is disclosed. In embodiments, a method includes applying a sprayable material to tissue, the sprayable material possessing functional groups capable of binding to tissue. The sprayable material also possesses functional groups capable of binding to an implant. In embodiments, the functional groups capable of binding to an implant include nucleotides. In such a case, the implant possesses complementary nucleotides capable of binding to the nucleotides on the sprayable material, thereby permitting hydrogen binding between the two. The implant may thus be affixed to tissue, and repositioned as necessary, prior to more permanent attachment utilizing means such as sutures, tacks, etc.Type: ApplicationFiled: February 24, 2012Publication date: November 1, 2012Applicant: Tyco Healthcare Group LPInventors: Timothy Sargeant, Jonathan Thomas
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Publication number: 20120271290Abstract: A surgical instrument is provided including a handle portion and a body portion extending distally from the handle portion and defining a longitudinal axis. The surgical instrument also includes a grasper disposed at a distal end of the body portion, the grasper including an ultraviolet (UV) light mechanism for performing UV tacking of an implant. The implant is positioned between the first and second jaw members of the grasper: (i) to be placed at a surgical site and (ii) to be exposed by a UV light emitted from the UV light mechanism such that the UV tacking of the implant to the surgical site is performed.Type: ApplicationFiled: March 19, 2012Publication date: October 25, 2012Inventor: Timothy Sargeant
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Patent number: 8292846Abstract: An applicator tip for use with a fluid applicator includes a base configured for releasable engagement with a fluid applicator at a proximal end of the base. The base includes a chamber defined therein configured for retaining a mixing component therein. One or more penetrable members are disposed within the base to at least partially encloses the chamber to retain the mixing component therein. A shaft extends distally from the base and defines a longitudinal axis. The shaft has a lumen extending therethrough configured for passage of a fluid therethrough. Upon penetration of the penetrable member, fluid from the fluid applicator flows into the chamber such that the fluid and the mixing component form a mixture to be applied.Type: GrantFiled: October 28, 2010Date of Patent: October 23, 2012Assignee: Tyco Healthcare Group LPInventors: Timothy Sargeant, Arpan Desai, Joshua Stopek
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Publication number: 20120220827Abstract: A surgical instrument includes an elongated tubular member having a proximal end and a distal end. At least a portion of the elongated tubular member is resiliently deformable from an at-rest configuration. The elongated tubular member includes a camera assembly disposed therein. An outer shaft defining a lumen extending therethrough is positioned annularly about the elongated tubular member. At least one of the outer shaft and the elongated tubular member is moveable with respect to the other between a substantially overlapping position wherein the elongated tubular member is deformed to conform to the shape of the outer shaft, and a displaced position wherein at least a portion of the elongated tubular member extends distally from a distal end of the outer shaft. In the displaced position, the portion of the elongated tubular member extending from the outer shaft returns, or reforms back to the at-rest configuration.Type: ApplicationFiled: February 7, 2012Publication date: August 30, 2012Inventors: Timothy Sargeant, Arpan Desai, Atu Agawu
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Publication number: 20120191132Abstract: A wound closure device includes a first applicator including a handle portion and a substrate engaging portion and a second applicator including a handle portion and a substrate engaging portion. A first substrate is releasably couplable to the substrate engaging portion of the first applicator and includes a tissue reactive surface and a self-reactive surface. A second substrate is releasably couplable to the substrate engaging portion of the second applicator and includes a tissue reactive surface and a self-reactive surface. The self-reactive surfaces of the first and second substrates each possess reactive groups known to have complementary functionality for bonding the first and second substrates together.Type: ApplicationFiled: January 10, 2012Publication date: July 26, 2012Applicant: Tyco Healthcare Group LPInventor: Timothy Sargeant
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Publication number: 20120130186Abstract: A surgical portal includes a compressible, e.g., foam or rubber, portal having one or more longitudinal ports for passage of a surgical object. The portal is adapted to transition between a first condition having a first length and a second condition having a second length different from the first length. The portal includes an outer wall configured to maintain a substantial sealing relationship with tissue upon insertion therein.Type: ApplicationFiled: August 25, 2011Publication date: May 24, 2012Inventors: Joshua Stopek, Timothy Sargeant
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Publication number: 20120109053Abstract: An applicator tip for use with a fluid applicator includes a base configured for releasable engagement with a fluid applicator at a proximal end of the base. The base includes a chamber defined therein configured for retaining a mixing component therein. One or more penetrable members are disposed within the base to at least partially encloses the chamber to retain the mixing component therein. A shaft extends distally from the base and defines a longitudinal axis. The shaft has a lumen extending therethrough configured for passage of a fluid therethrough. Upon penetration of the penetrable member, fluid from the fluid applicator flows into the chamber such that the fluid and the mixing component form a mixture to be applied.Type: ApplicationFiled: October 28, 2010Publication date: May 3, 2012Applicant: Tyco Healthcare Group LPInventors: Timothy Sargeant, Arpan Desai, Joshua Stopek
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Publication number: 20120108901Abstract: A surgical instrument includes an elongated tubular member defining a longitudinal axis and having a lumen extending therethrough. A light source is disposed within the elongated tubular member. The light source is configured to emit light from a distal end of the elongated tubular member. A mirror assembly is coupled to a distal end of the elongated tubular member. The mirror assembly is moveable between a retracted position and an extended position. In the retracted position, the mirror assembly is positioned adjacent an outer surface of the elongated tubular member. In the extended position, the mirror assembly extends distally from the elongated tubular member to re-direct light emitted by the light source.Type: ApplicationFiled: September 7, 2011Publication date: May 3, 2012Inventors: Timothy Sargeant, Arpan Desai, Atu Agawu
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Publication number: 20120109098Abstract: Applicator tips in accordance with the present disclosure include a body portion and dispensing tip. The body portion includes a proximal end having an inlet adapted for fluid communication with a fluid source, a distal end including an opening, and a mixing chamber disposed therebetween. The mixing chamber includes at least one mixing ball and at least one biologically active agent disposed therein. The dispensing tip defines a lumen therethrough. The lumen is in fluid communication with the opening of the distal end of the body portion and includes an outlet for passage of a fluid therethrough.Type: ApplicationFiled: October 28, 2010Publication date: May 3, 2012Applicant: Tyco Healthcare Group LP.Inventors: Timothy Sargeant, Arpan Desai, Joshua Stopek
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Publication number: 20120076773Abstract: Compositions provided by contacting a biotin-containing component and an avidin-containing component are useful as drug delivery devices. Bioactive agents may be covalently bound to the biotin-containing component, the avidin-containing component, or both, mixed therewith, or combinations of the foregoing.Type: ApplicationFiled: November 18, 2011Publication date: March 29, 2012Inventors: Timothy Sargeant, Joshua Stopek, Ahmad Robert Hadba
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Publication number: 20120064299Abstract: The present disclosure relates to a hydrogel composition and methods of using the same. The hydrogel composition may include precursors that react with each other upon contact as well as precursors that react upon contact with an initiator. In embodiments, the resulting hydrogels may have varying levels of crosslinking with both denser and less dense regions.Type: ApplicationFiled: August 31, 2011Publication date: March 15, 2012Inventors: Steven Bennett, Nathaniel Mast, Kevin Lavigne, Walter Skalla, Timothy Sargeant, Joshua Stopek
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Publication number: 20120049689Abstract: The present disclosure relates to a hydrogel composition and methods of using the same. The hydrogel composition may include precursors that react with each other upon contact as well as precursors that react upon contact with an initiator. In embodiments, the resulting hydrogels may have varying levels of crosslinking with both denser and less dense regions.Type: ApplicationFiled: August 31, 2011Publication date: March 1, 2012Inventors: Steven Bennett, Nathaniel Mast, Kevin Lavigne, Walter Skalla, Timothy Sargeant, Joshua Stopek, Saumya Banerjee, Arpan Desai
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Publication number: 20120022495Abstract: An applicator for use in tissue repair is provided. The applicator includes a base configured to dispense a material and an applicator tip operably connected to the base. The applicator tip includes a body having a distal end configured to engage a tissue defect and a mold disposed about the body configured to engage tissue about the tissue defect. The mold is configured to be selectively positioned about the distal end of the body between at least a first position and a second position to deposit material to form at least a first layer and a second layer. Also provided are applicator tips, methods and kits for tissue repair.Type: ApplicationFiled: June 13, 2011Publication date: January 26, 2012Inventors: Timothy Sargeant, Joshua Stopek, Arpan Desai, Atu Agawu, Saumya Banerjee