Patents by Inventor Justin D. Renfrow

Justin D. Renfrow 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: 10245073
    Abstract: A medical device configured for assistance with the cervical cerclage procedure is provided. The medical device includes a barrier structure with a finger and a therebetween. A hub is fixed to a distal end of the catheter and defines an extension with a second void between an end surface of the hub and the extension. The barrier structure and the hub are releaseably attached with the extension disposed within the first void and the finger within the second void. A wire guide withdrawably extends through coaxial holes within the hub, extension, finger, and a portion of the barrier structure to fix the hub and barrier structure together.
    Type: Grant
    Filed: August 30, 2016
    Date of Patent: April 2, 2019
    Assignee: Cook Medical Technologies LLC
    Inventors: John M. O'Brien, Matthew J. Terwiske, Justin D. Renfrow
  • Publication number: 20160367289
    Abstract: A medical device configured for assistance with the cervical cerclage procedure is provided. The medical device includes a barrier structure with a finger and a therebetween. A hub is fixed to a distal end of the catheter and defines an extension with a second void between an end surface of the hub and the extension. The barrier structure and the hub are releaseably attached with the extension disposed within the first void and the finger within the second void. A wire guide withdrawably extends through coaxial holes within the hub, extension, finger, and a portion of the barrier structure to fix the hub and barrier structure together.
    Type: Application
    Filed: August 30, 2016
    Publication date: December 22, 2016
    Applicant: Cook Medical Technologies LLC
    Inventors: John M. O'Brien, Matthew J. Terwiske, Justin D. Renfrow
  • Patent number: 9456847
    Abstract: A medical device configured for assistance with the cervical cerclage procedure is provided. The medical device includes a barrier structure with a finger and a therebetween. A hub is fixed to a distal end of the catheter and defines an extension with a second void between an end surface of the hub and the extension. The barrier structure and the hub are releaseably attached with the extension disposed within the first void and the finger within the second void. A wire guide withdrawably extends through coaxial holes within the hub, extension, finger, and a portion of the barrier structure to fix the hub and barrier structure together.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: October 4, 2016
    Assignee: Cook Medical Technologies LLC
    Inventors: John M. O'Brien, Matthew J. Terwiske, Justin D. Renfrow
  • Publication number: 20140012194
    Abstract: A device for performing a medical procedure is provided. The device includes an elongate catheter disposed between a distal end portion and a proximal end portion, with a central portion therebetween. A central portion of the catheter includes parallel first and second lumens therethrough, wherein the first lumen extends through in the distal end portion and the second lumen extends through the distal end portion. A fluid input connection is provided along with a selection valve stem disposed within a valve housing.
    Type: Application
    Filed: July 1, 2013
    Publication date: January 9, 2014
    Inventors: Matthew J. Terwiske, Justin D. Renfrow, Neal Bridgett
  • Publication number: 20130239974
    Abstract: A medical device configured for assistance with the cervical cerclage procedure is provided. The medical device includes a barrier structure with a finger and a therebetween. A hub is fixed to a distal end of the catheter and defines an extension with a second void between an end surface of the hub and the extension. The barrier structure and the hub are releaseably attached with the extension disposed within the first void and the finger within the second void. A wire guide withdrawably extends through coaxial holes within the hub, extension, finger, and a portion of the barrier structure to fix the hub and barrier structure together.
    Type: Application
    Filed: March 12, 2013
    Publication date: September 19, 2013
    Applicant: Cook Medical Technologies LLC
    Inventors: John M. O'Brien, Matthew J. Terwiske, Justin D. Renfrow
  • Publication number: 20120255556
    Abstract: Apparatuses and methods are provided for a removable, non-permanent indwelling contraceptive fallopian tube filter that provides an immediate, customized anatomically-fit barrier between sperm and egg to prevent pregnancy without the use of drugs, hormones, or altering the anatomy.
    Type: Application
    Filed: April 3, 2012
    Publication date: October 11, 2012
    Inventor: Justin D. Renfrow