Patents by Inventor David Rezac

David Rezac 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: 12484955
    Abstract: Apparatus for performing a minimally-invasive procedure, the apparatus comprising: a shaft having a distal end and a proximal end; a monopolar knife assembly attached to the distal end of the shaft, the monopolar knife assembly comprising a knife; a handle attached to the proximal end of the shaft; wherein the shaft comprises a flexible portion and an articulating portion, wherein the flexible portion extends distally from the handle and the articulating portion extends distally from the flexible portion; wherein at least one articulation cable extends from the handle to the articulating portion, such that when tension is applied to the at least one articulation cable, the articulating portion deflects; wherein an actuation element extends through the shaft from the handle to the knife, such that when the actuation element is moved, the knife is moved; and wherein the actuation element transmits electrical power from the handle to the knife.
    Type: Grant
    Filed: September 20, 2022
    Date of Patent: December 2, 2025
    Assignee: Lumendi AG
    Inventors: Jonathan O'Keefe, Jeffrey Cerier, Amos Cruz, David Rezac, Niklas Helmick, Peter Aliski, Andrew Caunter
  • Publication number: 20240390643
    Abstract: A delivery system for the deployment of an implant includes a delivery catheter, a tissue penetrating element disposed on an open distal end of the delivery catheter, and a guard member comprising a proximal portion disposed over, and translatable relative to, the respective tissue penetrating element and distal end of the delivery catheter, the guard member defining a lumen configured to receive and cover the tissue penetrating element, the lumen defining a longitudinal axis of the guard member, wherein the proximal portion of the guard member transitions into a split-open distal portion adjacent a distal opening of the lumen, the split-open distal portion comprising a contour configured to engage and deflect the tissue penetrating element at an angle relative to the longitudinal axis of the guard member when the guard member is translated proximally relative to the tissue penetrating element.
    Type: Application
    Filed: August 6, 2024
    Publication date: November 28, 2024
    Applicant: CEREVASC, INC.
    Inventors: Joseph Calderan, Emma Hawkes, Hern Kim, Anthony Maiorano, David Rezac, Jack Sattell, Alexandra Wirth
  • Publication number: 20230218338
    Abstract: Apparatus for performing a minimally-invasive procedure, the apparatus comprising: a shaft having a distal end and a proximal end; a monopolar knife assembly attached to the distal end of the shaft, the monopolar knife assembly comprising a knife; a handle attached to the proximal end of the shaft; wherein the shaft comprises a flexible portion and an articulating portion, wherein the flexible portion extends distally from the handle and the articulating portion extends distally from the flexible portion; wherein at least one articulation cable extends from the handle to the articulating portion, such that when tension is applied to the at least one articulation cable, the articulating portion deflects; wherein an actuation element extends through the shaft from the handle to the knife, such that when the actuation element is moved, the knife is moved; and wherein the actuation element transmits electrical power from the handle to the knife.
    Type: Application
    Filed: September 20, 2022
    Publication date: July 13, 2023
    Inventors: Jonathan O'Keefe, Jeffrey Cerier, Amos Cruz, David Rezac, Niklas Helmick, Peter Aliski, Andrew Caunter
  • Patent number: 11446081
    Abstract: Apparatus for performing a minimally-invasive procedure, the apparatus comprising: a shaft having a distal end and a proximal end; a monopolar knife assembly attached to the distal end of the shaft, the monopolar knife assembly comprising a knife; a handle attached to the proximal end of the shaft; wherein the shaft comprises a flexible portion and an articulating portion, wherein the flexible portion extends distally from the handle and the articulating portion extends distally from the flexible portion; wherein at least one articulation cable extends from the handle to the articulating portion, such that when tension is applied to the at least one articulation cable, the articulating portion deflects; wherein an actuation element extends through the shaft from the handle to the knife, such that when the actuation element is moved, the knife is moved; and wherein the actuation element transmits electrical power from the handle to the knife.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: September 20, 2022
    Assignee: Lumedi Ltd.
    Inventors: Jonathan O'Keefe, Jeffrey Cerier, Amos Cruz, David Rezac, Niklas Helmick, Peter Aliski, Andrew Caunter
  • Patent number: 11376031
    Abstract: Apparatus for performing a minimally-invasive procedure, the apparatus comprising: a tool comprising: a shaft having a distal end and a proximal end; a handle attached to the proximal end of the shaft; and an end effector attached to the distal end of the shaft; wherein the shaft comprises a flexible portion extending distally from the proximal end of the shaft, and an articulating portion extending proximally from the distal end of the shaft, and wherein the articulating portion comprises a flexible spine; wherein a plurality of articulation cables extend through the shaft from the handle to the flexible spine, such that when tension is applied to at least one of the plurality of articulation cables, the flexible spine bends; wherein a rotatable element extends through the shaft from the handle to the end effector, such that when the rotatable element is rotated, the end effector rotates; and wherein an actuation element extends through the shaft from the handle to the end effector, such that when the actuat
    Type: Grant
    Filed: April 13, 2020
    Date of Patent: July 5, 2022
    Assignee: Lumendi Ltd.
    Inventors: Jonathan O'Keefe, Jeffrey Cerier, Amos Cruz, David Rezac
  • Publication number: 20200305906
    Abstract: Apparatus for performing a minimally-invasive procedure, the apparatus comprising: a tool comprising: a shaft having a distal end and a proximal end; a handle attached to the proximal end of the shaft; and an end effector attached to the distal end of the shaft; wherein the shaft comprises a flexible portion extending distally from the proximal end of the shaft, and an articulating portion extending proximally from the distal end of the shaft, and wherein the articulating portion comprises a flexible spine; wherein a plurality of articulation cables extend through the shaft from the handle to the flexible spine, such that when tension is applied to at least one of the plurality of articulation cables, the flexible spine bends; wherein a rotatable element extends through the shaft from the handle to the end effector, such that when the rotatable element is rotated, the end effector rotates; and wherein an actuation element extends through the shaft from the handle to the end effector, such that when the actuat
    Type: Application
    Filed: April 13, 2020
    Publication date: October 1, 2020
    Inventors: Jonathan O'Keefe, Jeffrey Cerier, Amos Cruz, David Rezac
  • Patent number: 10695162
    Abstract: A system for applying a fiber matrix on a tubular member is provided. A mandrel, configured for atraumatic placement within the tubular member, is included. Methods for atraumatic placement of a mandrel into a tubular member are also provided.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: June 30, 2020
    Assignee: Xeltis AG
    Inventors: Lorenzo Soletti, Mohammed S. El-Kurdi, Jon McGrath, J. Christopher Flaherty, Liem Vu, Jerry Brightbill, Stephen Evans, Joseph Ting, David Rezac, Timothy Robinson
  • Publication number: 20200170701
    Abstract: Apparatus for performing a minimally-invasive procedure, the apparatus comprising: a shaft having a distal end and a proximal end; a monopolar knife assembly attached to the distal end of the shaft, the monopolar knife assembly comprising a knife; a handle attached to the proximal end of the shaft; wherein the shaft comprises a flexible portion and an articulating portion, wherein the flexible portion extends distally from the handle and the articulating portion extends distally from the flexible portion; wherein at least one articulation cable extends from the handle to the articulating portion, such that when tension is applied to the at least one articulation cable, the articulating portion deflects; wherein an actuation element extends through the shaft from the handle to the knife, such that when the actuation element is moved, the knife is moved; and wherein the actuation element transmits electrical power from the handle to the knife.
    Type: Application
    Filed: February 3, 2020
    Publication date: June 4, 2020
    Inventors: Jonathan O'Keefe, Jeffrey Cerier, Amos Cruz, David Rezac, Niklas Helmick, Peter Aliski, Andrew Caunter
  • Patent number: 10617438
    Abstract: Apparatus for performing a minimally-invasive procedure, the apparatus comprising: a tool comprising: a shaft having a distal end and a proximal end; a handle attached to the proximal end of the shaft; and an end effector attached to the distal end of the shaft; wherein the shaft comprises a flexible portion extending distally from the proximal end of the shaft, and an articulating portion extending proximally from the distal end of the shaft, and wherein the articulating portion comprises a flexible spine; wherein a plurality of articulation cables extend through the shaft from the handle to the flexible spine, such that when tension is applied to at least one of the plurality of articulation cables, the flexible spine bends; wherein a rotatable element extends through the shaft from the handle to the end effector, such that when the rotatable element is rotated, the end effector rotates; and wherein an actuation element extends through the shaft from the handle to the end effector, such that when the actuat
    Type: Grant
    Filed: October 20, 2016
    Date of Patent: April 14, 2020
    Assignee: Lumendi Ltd.
    Inventors: Jonathan O'Keefe, Jeffrey Cerier, Amos Cruz, David Rezac
  • Publication number: 20180289466
    Abstract: A system for applying a fiber matrix on a tubular member is provided. A mandrel, configured for atraumatic placement within the tubular member, is included. Methods for atraumatic placement of a mandrel into a tubular member are also provided.
    Type: Application
    Filed: December 15, 2017
    Publication date: October 11, 2018
    Inventors: Lorenzo SOLETTI, Mohammed S. EL-Kurdi, Jon Mcgrath, J. Christopher Flaherty, Liem Vu, Jerry Brightbill, Stephen Evans, Joseph Ting, David Rezac, Timothy Robinson
  • Patent number: 9867690
    Abstract: A system for applying a fiber matrix on a tubular member is provided. A mandrel, configured for atraumatic placement within the tubular member, is included. Methods for atraumatic placement of a mandrel into a tubular member are also provided.
    Type: Grant
    Filed: February 8, 2012
    Date of Patent: January 16, 2018
    Assignee: NEOGRAFT TECHNOLOGIES, INC.
    Inventors: Lorenzo Soletti, Mohammed S. El-Kurdi, Jon McGrath, J. Christopher Flaherty, Liem Vu, Jerry Brightbill, Stephen Evans, Joseph Ting, David Rezac, Timothy Robinson
  • Patent number: 9750968
    Abstract: Provided is an articulating bench configured to support a user, comprising a longitudinally-extending frame structure pivotably supporting back-supporting and independently-pivotable leg supporting portions. Removable arm supporting portions may be provided that pivot about the back supporting portion. In various example embodiments the articulating bench structure may be foldable for compact storage. Various adjustment mechanisms and methods of use are disclosed.
    Type: Grant
    Filed: April 19, 2016
    Date of Patent: September 5, 2017
    Assignee: SDAYETPG LLC
    Inventors: Andrew Heimann, David Rezac, Jeffrey Cerier, Amos Cruz, Jonathan O'Keefe, Nicholas Trepkowski
  • Publication number: 20170105746
    Abstract: Apparatus for performing a minimally-invasive procedure, the apparatus comprising: a tool comprising: a shaft having a distal end and a proximal end; a handle attached to the proximal end of the shaft; and an end effector attached to the distal end of the shaft; wherein the shaft comprises a flexible portion extending distally from the proximal end of the shaft, and an articulating portion extending proximally from the distal end of the shaft, and wherein the articulating portion comprises a flexible spine; wherein a plurality of articulation cables extend through the shaft from the handle to the flexible spine, such that when tension is applied to at least one of the plurality of articulation cables, the flexible spine bends; wherein a rotatable element extends through the shaft from the handle to the end effector, such that when the rotatable element is rotated, the end effector rotates; and wherein an actuation element extends through the shaft from the handle to the end effector, such that when the actuat
    Type: Application
    Filed: October 20, 2016
    Publication date: April 20, 2017
    Inventors: Jonathan O'Keefe, Jeffrey Cerier, Amos Cruz, David Rezac
  • Publication number: 20160302988
    Abstract: Provided is an articulating bench configured to support a user, comprising a longitudinally-extending frame structure pivotably supporting back-supporting and independently-pivotable leg supporting portions. Removable arm supporting portions may be provided that pivot about the back supporting portion. In various example embodiments the articulating bench structure may be foldable for compact storage. Various adjustment mechanisms and methods of use are disclosed.
    Type: Application
    Filed: April 19, 2016
    Publication date: October 20, 2016
    Applicant: SDAYETPG LLC
    Inventors: Andrew Heimann, David Rezac, Jeffrey Cerier, Amos Cruz, Jonathan O'Keefe
  • Publication number: 20150223908
    Abstract: Provided is a system and method for simultaneous deployment of a plurality of fiducials. Various example embodiments may include an elongated hollow tube having an interior surrounding a distal portion of each of a plurality of fiducial carriers each having a fiducial removably attached therewith. Various example embodiments may include a spreading mechanism adapted to spread the distal ends of the plurality of fiducial carriers when the distal ends of the plurality of fiducial carriers are simultaneously extended beyond the distal end of the elongated hollow tube. Also provided in various example embodiments is an ejecting mechanism adapted to eject and implant the plurality of fiducials simultaneously when the fiducials are extended beyond the distal end of the elongated hollow tube and separated by a distance.
    Type: Application
    Filed: September 30, 2014
    Publication date: August 13, 2015
    Inventors: Jody Westerfeld, David Rezac
  • Publication number: 20140058194
    Abstract: A system for applying a fiber matrix on a tubular member is provided. A mandrel, configured for atraumatic placement within the tubular member, is included. Methods for atraumatic placement of a mandrel into a tubular member are also provided.
    Type: Application
    Filed: February 8, 2012
    Publication date: February 27, 2014
    Applicant: Neograft Technologies, Inc.
    Inventors: Lorenzo Soletti, Mohammed S. El-Kurdi, Jon McGrath, J. Christopher Flaherty, Liem Vu, Jerry Brightbill, Stephen Evans, Joseph Ting, David Rezac, Timothy Robinson