Patents by Inventor John C. Sigmon, JR.
John C. Sigmon, JR. 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: 11944767Abstract: A wire lock assembly for an access port of an elongate medical tube includes a body having an exterior surface, an interior surface, and a central opening disposed therethrough, an attachment mechanism disposed through the exterior surface of the body, the attachment mechanism having an open end and a closed end, at least one notch arranged on the body and positioned proximate to the central opening and at least one seal supported within the interior surface of the body in communication with the central opening, the seal comprising a passageway therethrough, where the interior surface of the body defines a non-linear pathway for securing one or more medical devices.Type: GrantFiled: February 4, 2022Date of Patent: April 2, 2024Assignee: Cook Medical Technologies LLCInventors: Bradley R. Doepker, Michelle D. Martinez, Tyler Evans McLawhorn, John C. Sigmon, Jr., Shaun Gittard, Michael Brecht, Maximiliano Soetermans
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Patent number: 11931227Abstract: The present invention relates to a long-lasting medical product for protecting or treating a lesion in the gastrointestinal tract. The medical product includes a protective covering, wherein the medical product upon application at and about the site of the lesion adheres to the gastrointestinal tissue and is capable of remaining at and about the site of the lesion for a time sufficient to allow the lesion to heal or be treated.Type: GrantFiled: April 28, 2017Date of Patent: March 19, 2024Assignee: COOK MEDICAL TECHNOLOGIES LLCInventors: Vihar C. Surti, Shaun D. Gittard, John C. Sigmon, Jr., Gregory Hardy
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Publication number: 20240065753Abstract: A bipolar sphincterotome may include an elongate tubular member, a cutting wire, and a return path. The return path may include a conductive ink portion disposed on an outer surface at a distal portion of the tubular member. The return path may also include a return wire disposed within the tubular member that is electrically coupled to the conductive ink portion. In some example embodiments, the return wire may be disposed within a lumen configured to have two or more functions, one of which being to house the return wire. Additionally, in some example embodiments, the conductive ink portion may be circumferentially disposed on the outer surface to provide visual access to a wire guide lumen. Also, for some example embodiments, the bipolar sphincterotome may include two electrically isolated return paths.Type: ApplicationFiled: October 31, 2023Publication date: February 29, 2024Applicant: Cook Medical Technologies LLCInventors: Tyler Evans McLawhorn, Vihar C. Surti, John Crowder Sigmon, JR., Michelle D. Martinez, Jillian Haac, Shaun D. Gittard, Richard B. Sisken, Richard W. Ducharme
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Publication number: 20240065754Abstract: A bipolar sphincterotome may include an elongate tubular member, a cutting wire, and a return path. The return path may include a conductive ink portion disposed on an outer surface at a distal portion of the tubular member. The return path may also include a return wire disposed within the tubular member that is electrically coupled to the conductive ink portion. In some example embodiments, the return wire may be disposed within a lumen configured to have two or more functions, one of which being to house the return wire. Additionally, in some example embodiments, the conductive ink portion may be circumferentially disposed on the outer surface to provide visual access to a wire guide lumen. Also, for some example embodiments, the bipolar sphincterotome may include two electrically isolated return paths.Type: ApplicationFiled: October 30, 2023Publication date: February 29, 2024Applicant: Cook Medical Technologies LLCInventors: Tyler Evans McLawhorn, Vihar C. Surti, John Crowder Sigmon, JR., Michelle D. Martinez, Jillian Haac, Shaun D. Gittard, Richard B. Sisken, Richard W. Ducharme
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Publication number: 20240065752Abstract: A bipolar sphincterotome may include an elongate tubular member, a cutting wire, and a return path. The return path may include a conductive ink portion disposed on an outer surface at a distal portion of the tubular member. The return path may also include a return wire disposed within the tubular member that is electrically coupled to the conductive ink portion. In some example embodiments, the return wire may be disposed within a lumen configured to have two or more functions, one of which being to house the return wire. Additionally, in some example embodiments, the conductive ink portion may be circumferentially disposed on the outer surface to provide visual access to a wire guide lumen. Also, for some example embodiments, the bipolar sphincterotome may include two electrically isolated return paths.Type: ApplicationFiled: October 31, 2023Publication date: February 29, 2024Applicant: Cook Medical Technologies LLCInventors: Tyler Evans McLawhorn, Vihar C. Surti, John Crowder Sigmon, JR., Michelle D. Martinez, Jillian Haac, Shaun D. Gittard, Richard B. Sisken, Richard W. Ducharme
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Publication number: 20230414084Abstract: A scope system is provided including an elongate tube, a movable member extending longitudinally at least partially within a lumen of the elongate tube, and a light on a distal portion of the elongate tube, the light configured to be controlled by proximal or distal movement of the movable member relative to the elongate tube along a longitudinal axis and/or rotational movement of the movable member about the longitudinal axis.Type: ApplicationFiled: June 23, 2023Publication date: December 28, 2023Inventors: Jonathan K. Lupton, Liam Breen, Vincent McHugo, John C. Sigmon, JR., Christopher A. Carruthers
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Patent number: 11771541Abstract: The present embodiments provide an expandable mesh comprising a first coupling element, a second coupling element, and an intermediate portion disposed between the first coupling element and the second coupling element. Proximal retraction of the first coupling element relative to the second coupling element causes the intermediate portion to flare out to an enlarged width. In one embodiment, the first coupling element comprises a first tube and the second coupling element comprises a second tube.Type: GrantFiled: November 12, 2019Date of Patent: October 3, 2023Assignee: Cook Medical Technologies LLCInventors: Tyler E. McLawhorn, John C. Sigmon, Jr.
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Publication number: 20230285018Abstract: There are shown and described embodiments of a closure device for closing holes in tissue, for example in the right atrial appendage. The closure device in particular embodiments includes first and second mesh closure members and a tether or stem connecting them. Embodiments of a delivery device for the closure device are also described.Type: ApplicationFiled: May 17, 2023Publication date: September 14, 2023Applicant: Muffin IncorporatedInventors: Gregory James Hardy, Shaun Davis Gittard, John C. Sigmon, JR., William J. Havel, Jeremy T. Newkirk, Neal E. Fearnot, Rita Hadley
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Publication number: 20230263379Abstract: A scope system is provided including an elongate tube with a distal portion and a lumen extending therethrough, the distal portion comprising a distal end section comprising a pivot arm, the scope system further comprising a plurality of lights distributed on and connected to the distal end section and the pivot arm. The plurality of lights is configured to be connected by an electrical wire and/or a conductor to a power source.Type: ApplicationFiled: February 17, 2023Publication date: August 24, 2023Inventors: Jonathan K. Lupton, Liam Breen, Vincent McHugo, John C. Sigmon, JR., Shaun D. Gittard
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Publication number: 20230233065Abstract: Disclosed herein is a medical device including a camera including a movable member including an outer surface with a longitudinally-extending cross-sectional geometry configured to complement a longitudinally-extending cross-sectional geometry of a surface of a lumen in an elongate tube housing the movable member so as to prevent rotation of the movable member relative to the elongate tube. The device allows the operator to maintain visual orientation as the movable member is translated proximally and distally relative to the elongate tube.Type: ApplicationFiled: January 17, 2023Publication date: July 27, 2023Inventors: John C. Sigmon, Jr., Shaun D. Gittard, Liam Breen, Vincent McHugo, Johnathan Lupton
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Patent number: 11678884Abstract: There are shown and described embodiments of a closure device for closing holes in tissue, for example in the right atrial appendage. The closure device in particular embodiments includes first and second mesh closure members and a tether or stem connecting them. Embodiments of a delivery device for the closure device are also described.Type: GrantFiled: February 20, 2020Date of Patent: June 20, 2023Assignee: Muffin IncorporatedInventors: Gregory James Hardy, Shaun Davis Gittard, John C. Sigmon, Jr., William J. Havel, Jeremy T. Newkirk, Neal E. Fearnot, Rita Hadley
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Publication number: 20230079970Abstract: A method of treating a lesion in a gastrointestinal tract and an injectate system are provided. The method includes injecting a crosslinkable gel into a first tissue layer, the crosslinkable gel increasing a volume of the first tissue layer. The method also includes providing a crosslinker and resecting a portion of a first tissue layer having the increased volume away from a second tissue layer creating an exposed region in a remaining portion of the first layer and leaving a portion of the gel covering at least a portion of the exposed region. The injectate system includes a crosslinkable gel and a crosslinker where the crosslinkable gel and the crosslinker form a crosslinked gel having a compressive modulus of about 10-500 kPa.Type: ApplicationFiled: September 7, 2022Publication date: March 16, 2023Applicant: Cook Medical Technologies LLCInventors: John C. Sigmon, JR., Shaun D. Gittard, Gregory J. Hardy, Christopher A. Carruthers, Darin G. Schaeffer
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Patent number: 11517710Abstract: Methods of modifying the luminal profile of a body vessel are described. An example method comprises advancing a cannula out of the distal end of a catheter disposed within the lumen of a body vessel of an animal and toward a target site on the wall of the body vessel; passing contrast dye through the cannula toward the target site; simultaneously continuing the advancing and passing until the distal end of the cannula punctures the inner layer of the wall of the body vessel at the target site; and passing a bulking agent through the cannula and into a space between connective tissue layers surrounding the vessel wall at the target site. Medical devices, medical device assemblies, and kits are also described.Type: GrantFiled: November 22, 2019Date of Patent: December 6, 2022Assignee: Cook Medical Technologies LLCInventors: John C. Sigmon, Jr., Vihar Surti
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Patent number: 11452798Abstract: A method of treating a lesion in a gastrointestinal tract and an injectate system are provided. The method includes injecting a crosslinkable gel into a first tissue layer, the crosslinkable gel increasing a volume of the first tissue layer. The method also includes providing a crosslinker and resecting a portion of a first tissue layer having the increased volume away from a second tissue layer creating an exposed region in a remaining portion of the first layer and leaving a portion of the gel covering at least a portion of the exposed region. The injectate system includes a crosslinkable gel and a crosslinker where the crosslinkable gel and the crosslinker form a crosslinked gel having a compressive modulus of about 10-500 kPa.Type: GrantFiled: September 27, 2018Date of Patent: September 27, 2022Assignee: Cook Medical Technologies LLCInventors: John C. Sigmon, Jr., Shaun D. Gittard, Gregory J. Hardy, Christopher A. Carruthers, Darin G. Schaeffer
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Patent number: 11439384Abstract: Among other things, there are shown embodiments of locking mechanisms for holding sutures in tension. Such devices may be used with implants that use or require sutures, and are easily locked remotely. In particular embodiments, a lock includes a housing member, a pin member at least partially within the housing member, and a spring biasing the pin member into the housing member. The pin member includes a gripping portion, and has a retracted condition and a locked condition. When retracted, a suture can move through the housing member and around the gripping portion of the pin member. When locked, the gripping portion of the pin member engages the suture and presses it against the interior of the housing member.Type: GrantFiled: April 25, 2019Date of Patent: September 13, 2022Assignee: Muffin IncorporatedInventors: Shaun Davis Gittard, John C. Sigmon, Jr., Gregory James Hardy, Michelle Martinez, Vihar C. Surti, Jeremy T. Newkirk, William J. Havel, Neal E. Fearnot
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Publication number: 20220265427Abstract: Among other things, there are disclosed embodiments of belts or bands that can be used in treatments for tricuspid valve regurgitation. In some embodiments, such belts may be heat-set in a particular configuration to effectively decrease tricuspid annulus when deployed around the atrioventricular groove. Embodiments include one or more tensioning sutures for applying cinching or tightening to belts when deployed, and structure for effectively distributing force during such tightening.Type: ApplicationFiled: January 3, 2022Publication date: August 25, 2022Applicant: Muffin IncorporatedInventors: Shaun Davis Gittard, John C. Sigmon, JR., Gregory James Hardy, Jeremy T. Newkirk, Neal E. Fearnot, William J. Havel, Rita Hadley, Yun Zhou
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Publication number: 20220152360Abstract: A wire lock assembly for an access port of an elongate medical tube includes a body having an exterior surface, an interior surface, and a central opening disposed therethrough, an attachment mechanism disposed through the exterior surface of the body, the attachment mechanism having an open end and a closed end, at least one notch arranged on the body and positioned proximate to the central opening and at least one seal supported within the interior surface of the body in communication with the central opening, the seal comprising a passageway therethrough, where the interior surface of the body defines a non-linear pathway for securing one or more medical devices.Type: ApplicationFiled: February 4, 2022Publication date: May 19, 2022Applicant: Cook Medical Technologies LLCInventors: Bradley R. Doepker, Michelle D. Martinez, Tyler Evans McLawhorn, John C. Sigmon, JR., Shaun Gittard, Michael Brecht, Maximiliano Soetermans
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Patent number: 11253680Abstract: A wire lock assembly for an access port of an elongate medical tube includes a body having an exterior surface, an interior surface, and a central opening disposed therethrough, an attachment mechanism disposed through the exterior surface of the body, the attachment mechanism having an open end and a closed end, at least one notch arranged on the body and positioned proximate to the central opening and at least one seal supported within the interior surface of the body in communication with the central opening, the seal comprising a passageway therethrough, where the interior surface of the body defines a non-linear pathway for securing one or more medical devices.Type: GrantFiled: May 2, 2017Date of Patent: February 22, 2022Assignee: Cook Medical Technologies LLCInventors: Bradley R. Doepker, Michelle D. Martinez, Tyler Evans McLawhorn, John C. Sigmon, Jr., Shaun Gittard, Michael Brecht, Maximiliano Soetermans
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Publication number: 20220040006Abstract: The present invention relates to a long-lasting medical product for protecting or treating a lesion in the gastrointestinal tract. The medical product includes a protective covering, wherein the medical product upon application at and about the site of the lesion adheres to the gastrointestinal tissue and is capable of remaining at and about the site of the lesion for a time sufficient to allow the lesion to heal or be treated.Type: ApplicationFiled: October 21, 2021Publication date: February 10, 2022Applicant: COOK MEDICAL TECHNOLOGIES LLCInventors: Vihar C. Surti, Shaun D. Gittard, John C. Sigmon, Jr., Gregory Hardy
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Publication number: 20220008060Abstract: Among other things, there is disclosed structure and methods for maintaining access to a location in the body while reducing or eliminating the potential for pulling an access device (e.g. a catheter) back through an opening. An introducer sheath includes a distal indented portion and a balloon, so that once placed in a desired location through tissue, the balloon can be inflated to anchor the sheath against retraction. In particular embodiments, structure and methods for accessing the pericardial cavity via the right atrial appendage are shown.Type: ApplicationFiled: July 26, 2021Publication date: January 13, 2022Applicants: Muffin Incorporated, National Institutes of Health, an Agency of the Department of Health and Human ServicesInventors: Shaun Davis Gittard, Gregory James Hardy, John C. Sigmon, JR., Jeremy T. Newkirk, William J. Havel, Neal E. Fearnot, Toby Rogers, Kanishka Ratnayaka, Robert L. Lederman