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).

  • Publication number: 20200163534
    Abstract: A scope system is provided including an elongate tube with a distal portion and a lumen extending therethrough. The scope system also includes at least one accessory channel including a tubular structure with an accessory lumen extending therethrough, the at least one accessory channel movably disposed at least partially within the lumen of the elongate tube. The at least one accessory channel includes a distal section and a forward-viewing configuration and a side-viewing configuration. In the forward-viewing configuration, the distal section of the at least one accessory channel is substantially parallel to the distal portion of the elongate tube and in the side-viewing configuration, the distal section of the at least one accessory channel is arced at a radius greater than a radius of the distal portion of the elongate tube.
    Type: Application
    Filed: January 22, 2020
    Publication date: May 28, 2020
    Inventors: Vihar C. Surti, John C. Sigmon, JR., William S. Gibbons, JR.
  • Publication number: 20200086079
    Abstract: 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: Application
    Filed: November 22, 2019
    Publication date: March 19, 2020
    Applicant: COOK MEDICAL TECHNOLOGIES LLC
    Inventors: John C. Sigmon, JR., Vihar Surti
  • Publication number: 20200078157
    Abstract: 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: Application
    Filed: November 12, 2019
    Publication date: March 12, 2020
    Applicant: COOK MEDICAL TECHNOLOGIES LLC
    Inventors: Tyler E. McLawhorn, John C. Sigmon, JR.
  • Patent number: 10582835
    Abstract: A scope system is provided including an elongate tube with a distal portion and a lumen extending therethrough. The scope system also includes at least one accessory channel including a tubular structure with an accessory lumen extending therethrough, the at least one accessory channel movably disposed at least partially within the lumen of the elongate tube. The at least one accessory channel includes a distal section and a forward-viewing configuration and a side-viewing configuration. In the forward-viewing configuration, the distal section of the at least one accessory channel is substantially parallel to the distal portion of the elongate tube and in the side-viewing configuration, the distal section of the at least one accessory channel is arced at a radius greater than a radius of the distal portion of the elongate tube.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: March 10, 2020
    Assignee: Cook Medical Technologies LLC
    Inventors: Vihar C. Surti, John C. Sigmon, Jr., William S. Gibbons, Jr.
  • Patent number: 10568628
    Abstract: 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: Grant
    Filed: May 23, 2017
    Date of Patent: February 25, 2020
    Assignee: Muffin Incorporated
    Inventors: Gregory James Hardy, Shaun Davis Gittard, John C. Sigmon, Jr., William J. Havel, Jeremy T. Newkirk, Neal E. Fearnot, Rita Hadley
  • Patent number: 10512751
    Abstract: 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: Grant
    Filed: November 21, 2018
    Date of Patent: December 24, 2019
    Assignee: Cook Medical Technologies LLC
    Inventors: John C. Sigmon, Jr., Vihar Surti
  • Patent number: 10500029
    Abstract: 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: Grant
    Filed: June 24, 2015
    Date of Patent: December 10, 2019
    Assignee: COOK MEDICAL TECHNOLOGIES LLC
    Inventors: Tyler E. McLawhorn, John C. Sigmon, Jr.
  • Publication number: 20190247035
    Abstract: 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: Application
    Filed: April 25, 2019
    Publication date: August 15, 2019
    Applicant: Muffin Incorporated
    Inventors: Shaun Davis Gittard, Gregory James Hardy, John C. Sigmon, JR., Jeremy T. Newkirk, William J. Havel, Neal E. Fearnot
  • Publication number: 20190247043
    Abstract: 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: Application
    Filed: April 25, 2019
    Publication date: August 15, 2019
    Applicant: Muffin Incorporated
    Inventors: Shaun Davis Gittard, John C. Sigmon, JR., Gregory James Hardy, Michelle Martinez, Vihar C. Surti, Jeremy T. Newkirk, William J. Havel, Neal E. Fearnot
  • Publication number: 20190151092
    Abstract: 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: Application
    Filed: October 30, 2018
    Publication date: May 23, 2019
    Applicant: Muffin Incorporated
    Inventors: Shaun Davis Gittard, John C. Sigmon, JR., Gregory James Hardy, Jeremy T. Newkirk, Neal E. Fearnot, William J. Havel, Rita Hadley, Yun Zhou
  • Publication number: 20190091374
    Abstract: 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: Application
    Filed: September 27, 2018
    Publication date: March 28, 2019
    Applicant: Cook Medical Technologies LLC
    Inventors: John C. Sigmon, JR., Shaun D. Gittard, Gregory J. Hardy, Christopher A. Carruthers, Darin G. Schaeffer
  • Publication number: 20190083740
    Abstract: 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: Application
    Filed: November 21, 2018
    Publication date: March 21, 2019
    Inventors: John C. Sigmon, JR., Vihar Surti
  • Patent number: 10173027
    Abstract: 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: Grant
    Filed: October 7, 2016
    Date of Patent: January 8, 2019
    Assignee: Cook Medical Technologies LLC
    Inventors: John C. Sigmon, Jr., Vihar Surti
  • Publication number: 20180353195
    Abstract: Methods, medical devices, and kits, and more particularly methods, devices, and kits for engaging and extracting or removing stones, calculi or other obstructions from the biliary or urinary tracts of a patient are described herein.
    Type: Application
    Filed: June 11, 2018
    Publication date: December 13, 2018
    Applicant: Cook Medical Technologies LLC
    Inventors: John C. Sigmon, JR., Shaun D. Gittard, Gregory Hardy
  • Publication number: 20180338763
    Abstract: 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: Application
    Filed: May 23, 2017
    Publication date: November 29, 2018
    Inventors: Gregory James Hardy, Shaun Davis Gittard, John C. Sigmon, JR., William J. Havel, Jeremy T. Newkirk, Neal E. Fearnot, Rita Hadley
  • Publication number: 20180049731
    Abstract: There are shown and described embodiments of closure devices and systems for closing holes in tissue such as those caused unintentionally (e.g. hernia) or intentionally (e.g. openings in the right atrial appendage to access cardiac tissue). Such devices and systems include one or more mesh elements or anchors. In particular embodiments, a closure device includes first and second mesh closure members and a tether or stem connecting them. Embodiments of a delivery device for such closure devices are also described.
    Type: Application
    Filed: November 1, 2017
    Publication date: February 22, 2018
    Applicant: Muffin Incorporated
    Inventors: Gregory James Hardy, Shaun Davis Gittard, John C. Sigmon, JR., William J. Havel, Jeremy T. Newkirk, Neal E. Fearnot, Rita Hadley, Danny A. Sherwinter, Vihar C. Surti, Tyler E. McLawhorn
  • Publication number: 20170354500
    Abstract: The present disclosure provides unique medical devices for treating prolapsing valves, as well as associated methods of forming and using those devices. The present disclosure provides cardiac valve implants configured to attach to or brace against patient tissue within the atrium.
    Type: Application
    Filed: June 7, 2017
    Publication date: December 14, 2017
    Inventors: Michelle Martinez, Vihar C. Surti, Tyler E. McLawhorn, John C. Sigmon, JR., Shaun Davis Gittard, Jillian F. Hrnicek, Gregory James Hardy
  • Publication number: 20170319828
    Abstract: 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: Application
    Filed: May 2, 2017
    Publication date: November 9, 2017
    Inventors: Bradley R. Doepker, Michelle D. Martinez, Tyler Evans McLawhorn, John C. Sigmon, JR., Shaun Gittard, Michael Brecht, Maximiliano Soetermans
  • Publication number: 20170251910
    Abstract: A scope system is provided including an elongate tube with a distal portion and a lumen extending therethrough. The scope system also includes at least one accessory channel including a tubular structure with an accessory lumen extending therethrough, the at least one accessory channel movably disposed at least partially within the lumen of the elongate tube. The at least one accessory channel includes a distal section and a forward-viewing configuration and a side-viewing configuration. In the forward-viewing configuration, the distal section of the at least one accessory channel is substantially parallel to the distal portion of the elongate tube and in the side-viewing configuration, the distal section of the at least one accessory channel is arced at a radius greater than a radius of the distal portion of the elongate tube.
    Type: Application
    Filed: February 28, 2017
    Publication date: September 7, 2017
    Inventors: Vihar C. Surti, John C. Sigmon, JR., William S. Gibbons, JR.
  • Publication number: 20170251908
    Abstract: A scope system is provided including an elongate tube with a distal portion and a lumen extending therethrough. The scope system also includes at least one accessory channel extending from a proximal end to a distal end and having with an accessory lumen extending therethrough, the at least one accessory channel movably disposed at least partially within the lumen of the elongate tube. The at least one accessory channel includes a distal section and a forward-viewing configuration and a side-viewing configuration. In the forward-viewing configuration, the distal section of the at least one accessory channel is substantially parallel to the distal portion of the elongate tube and in the side-viewing configuration, the distal section of the at least one accessory channel is arced at a radius greater than a radius of the distal portion of the elongate tube.
    Type: Application
    Filed: February 28, 2017
    Publication date: September 7, 2017
    Inventors: Vihar C. Surti, John C. Sigmon, JR., Smitha Smith, Laura Johnson, Andrea C. Mydosh, Tyler E. McLawhorn, Michael J. Brecht, Gregory Hardy, Shaun D. Gittard, William S. Gibbons, JR.