Patents by Inventor Dennis L. Steffen

Dennis L. Steffen 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: 10779977
    Abstract: A variable scale medical implant deployment device comprising a variable inner diameter scale sleeve insert is provided. Also described are kits containing the variable scale medical implant deployment device and methods for deploying a medical implant into a body lumen using a variable scale medical implant deployment device.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: September 22, 2020
    Assignee: QUALIMED INNOVATIVE MEDIZINPRODUKTE GMBH
    Inventors: Eric K. Mangiardi, Dennis L. Steffen
  • Publication number: 20180256379
    Abstract: A variable scale medical implant deployment device comprising a variable inner diameter scale sleeve insert is provided. Also described are kits containing the variable scale medical implant deployment device and methods for deploying a medical implant into a body lumen using a variable scale medical implant deployment device.
    Type: Application
    Filed: May 16, 2018
    Publication date: September 13, 2018
    Inventors: Eric K. MANGIARDI, Dennis L. STEFFEN
  • Patent number: 10035003
    Abstract: The present invention relates to a dual balloon catheter with controlled expansion and solution flow, a multi-port manifold and a dual syringe delivery device and method with intended use in sclerotherapy.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: July 31, 2018
    Inventor: Dennis L Steffen
  • Patent number: 10010344
    Abstract: The present invention relates generally to medical devices and, in particular, to a self-dilating catheter introducer and obturator system for introducing implantable medical devices into a body cavity. Depending on the size of the orifice or opening in which the device is required to pass through determines the French scale size of the device (e.g. The French scale is a measure of the external diameter of a catheter not internal channel).
    Type: Grant
    Filed: July 13, 2015
    Date of Patent: July 3, 2018
    Inventor: Dennis L Steffen
  • Patent number: 9999531
    Abstract: A variable scale medical implant deployment device comprising a variable inner diameter scale sleeve insert is provided. Also described are kits containing the variable scale medical implant deployment device and methods for deploying a medical implant into a body lumen using a variable scale medical implant deployment device.
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: June 19, 2018
    Assignee: QUALIMED INNOVATIVE MEDIZINPRODUKTE GMBH
    Inventors: Eric K. Mangiardi, Dennis L. Steffen
  • Patent number: 9681860
    Abstract: The present invention relates to a halo spray tip atomizer device primarily suited for the application of the fibrin glues. The device offers way to transition seamlessly between a static delivery device and an atomization device. The device is also so configured as to limit possible clogging.
    Type: Grant
    Filed: February 3, 2014
    Date of Patent: June 20, 2017
    Inventor: Dennis L Steffen
  • Patent number: 9586005
    Abstract: The present invention relates to a dual syringe delivery device consisting of three components which when collectively assembled result in the capability of accommodating varying syringe volume sizes.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: March 7, 2017
    Inventor: Dennis L Steffen
  • Publication number: 20170050002
    Abstract: The present invention relates to a dual balloon catheter with controlled expansion and solution flow, a multi-port manifold and a dual syringe delivery device and method with intended use in sclerotherapy.
    Type: Application
    Filed: September 15, 2016
    Publication date: February 23, 2017
    Inventor: Dennis L. Steffen
  • Publication number: 20170014156
    Abstract: The present invention relates generally to medical devices and, in particular, to a self-dilating catheter introducer and obturator system for introducing implantable medical devices into a body cavity. Depending on the size of the orifice or opening in which the device is required to pass through determines the French scale size of the device (e.g. The French scale is a measure of the external diameter of a catheter not internal channel).
    Type: Application
    Filed: July 13, 2015
    Publication date: January 19, 2017
    Inventor: Dennis L Steffen
  • Publication number: 20160008153
    Abstract: A variable scale medical implant deployment device comprising a variable inner diameter scale sleeve insert is provided. Also described are kits containing the variable scale medical implant deployment device and methods for deploying a medical implant into a body lumen using a variable scale medical implant deployment device.
    Type: Application
    Filed: September 18, 2015
    Publication date: January 14, 2016
    Inventors: Eric K. MANGIARDI, Dennis L. STEFFEN
  • Publication number: 20150216516
    Abstract: The present invention relates to a halo spray tip atomizer device primarily suited for the application of the fibrin glues. The device offers way to transition seamlessly between a static delivery device and an atomization device. The device is also so configured as to limit possible clogging.
    Type: Application
    Filed: February 3, 2014
    Publication date: August 6, 2015
    Inventor: Dennis L. Steffen
  • Publication number: 20150094689
    Abstract: The present invention relates to a dual syringe delivery device consisting of three components which when collectively assembled result in the capability of accommodating varying syringe volume sizes.
    Type: Application
    Filed: September 30, 2013
    Publication date: April 2, 2015
    Inventor: Dennis L. Steffen
  • Publication number: 20140330307
    Abstract: A manual surgical passer and retrieval Device and method are provided. The Device includes a flexible dual shaft passer and retriever. The Device is especially configured to aid in the retrieval and passage of various elements such as sutures encountered during a surgical procedure.
    Type: Application
    Filed: May 1, 2013
    Publication date: November 6, 2014
    Inventor: Dennis L. Steffen
  • Patent number: 8728126
    Abstract: A bone fixation system includes a bone plate having bi-directional combination holes extending therethrough, each hole being composed of a pair of domains and an interconnect which prevents the holes from overlapping. Each of the holes is configured and dimensioned to receive a set of full head bone screws adapted to be anchored into a bone or fragments thereof. The system also includes a pair of bone screws received in at least one of the combination holes, each bone screw having a shaft and a full head and being oriented in non-parallel directions. Various bone plate and screw embodiments are disclosed as is a method for fixating a bone fracture using the fixation system.
    Type: Grant
    Filed: February 16, 2010
    Date of Patent: May 20, 2014
    Inventor: Dennis L. Steffen
  • Patent number: 8684282
    Abstract: An atomizer delivery manifold or spray head with an adjustable spray pattern tip is provided. The adjustable spray pattern atomizer is especially useful for delivery of fibrin glues, and enables a fluid admixture to be applied precisely to a specific site in a wide range of spray patterns.
    Type: Grant
    Filed: October 24, 2008
    Date of Patent: April 1, 2014
    Assignee: Plantation Key Design Inc.
    Inventor: Dennis L. Steffen
  • Patent number: 8425411
    Abstract: A surgical device and method used to assist in the surgical repair of damaged and/or severed tendons. In the present invention, the device is comprised of a distal conical member, having an inner and outer surface, a tapered tip, a rounded end, and windowed openings on either side of axial centerline passing through the inner and outer surfaces. In the same embodiment, the device is comprised of a proximal concave convex member with an inner and outer surface, a tapered tip, and a rounded end, tapering both in width and thickness to the tip.
    Type: Grant
    Filed: November 9, 2010
    Date of Patent: April 23, 2013
    Inventor: Dennis L. Steffen
  • Publication number: 20110112532
    Abstract: A surgical device and method used to assist in the surgical repair of damaged and/or severed tendons. In the present invention, the device is comprised of a distal conical member, having an inner and outer surface, a tapered tip, a rounded end, and windowed openings on either side of axial centerline passing through the inner and outer surfaces. In the same embodiment, the device is comprised of a proximal concave convex member with an inner and outer surface, a tapered tip, and a rounded end, tapering both in width and thickness to the tip.
    Type: Application
    Filed: November 9, 2010
    Publication date: May 12, 2011
    Inventor: Dennis L. Steffen
  • Publication number: 20110087248
    Abstract: A suture passer system and method are provided. The system includes a dual shaft suture passer. The suture passer is especially configured and contoured to aid in the retrieval of sutures during a flexor tendon repair procedures.
    Type: Application
    Filed: October 14, 2010
    Publication date: April 14, 2011
    Inventor: Dennis L. Steffen
  • Publication number: 20110009912
    Abstract: A bone fixation system and method are provided. The system includes a dual prong pin and a bone screw. The pin is especially configured and contoured to fixate fractures of the proximal phalanx, especially hyperextension fractures. Fracture of other long bones of the hand, foot or elsewhere may be managed with this bone fixation system.
    Type: Application
    Filed: August 7, 2009
    Publication date: January 13, 2011
    Inventors: Eduardo Gonzalez-Hernandez, Dennis L. Steffen
  • Patent number: 7780711
    Abstract: A fixation system includes a plate intended to be positioned against a bone, a plurality of bone screws for securing the plate along an non-fractured portion of the bone, and a plurality of bone pegs which extend from the plate and into bone fragments of the fracture to provide a supporting framework. The pegs can be oriented at various angles relative to an axis normal to the lower surface of the plate. For each peg, once the peg has been appropriately positioned within the peg hole, a set screw is threaded into the peg hole and tightened, thereby securing the peg in the selected orientation.
    Type: Grant
    Filed: July 23, 2004
    Date of Patent: August 24, 2010
    Assignee: Depuy Products, Inc.
    Inventors: Jorge L. Orbay, James Leone, Dennis L. Steffen