Patents by Inventor Roelof Trip

Roelof Trip 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: 20230112010
    Abstract: A microstructured surface is disclosed capable of immobilizing or resisting displacement forces with respect to a target surface. The microstructured surface is capable of generating capillary bridges with a target surface. The capillary bridges can be further stabilized to generate a novel liquid enhanced adhesion mechanism.
    Type: Application
    Filed: September 27, 2022
    Publication date: April 13, 2023
    Inventors: Michael Milbocker, Lukas Bluecher, Roelof Trip
  • Patent number: 9636254
    Abstract: Methods, system and apparatus for relieving pressure in an organ such as, but not limited to, the eye are disclosed. The method includes implanting a bioabsorbable channel into the selected area of the organ using a delivery apparatus.
    Type: Grant
    Filed: November 17, 2009
    Date of Patent: May 2, 2017
    Assignee: AqueSys, Inc.
    Inventors: Dao-Yi Yu, Cory Anderson, Roelof Trip, Ying Yang, Hoang Van Nguyen, Surag Mantri, Er-Ning Su, Stephen Cringle, James McCrea, Daniel Mufson, Colin Tan
  • Publication number: 20170014111
    Abstract: A substrate having an undulating surface forming a series of rounded peaks and valleys that produce a continuously curving surface across at least a portion of the substrate. The undulating surface defines a first set of micro features. A second set of micro features molded on the first set of micro features. The substrate is a compression molded polymeric material in which the first and second sets of micro features are formed on the substrate during a single molding step, and wherein the first and second sets of micro features cooperate to increase the surface area and affect at least one of adhesion, friction, hydrophilicity and hydrophobicity of the substrate.
    Type: Application
    Filed: July 17, 2015
    Publication date: January 19, 2017
    Inventors: Ralph A. Hulseman, Kenneth N. Tackett, II, Cameron L. McPherson, Carl L. Hulseman, Roelof Trip, Michael Milbocker, Lukas Graf Bluecher
  • Publication number: 20150088253
    Abstract: Systems and methods of the disclosure relate to managing power consumption of an implantable device, such as an implantable ophthalmic device, that includes one or more rechargeable batteries and a processor operably coupled to the rechargeable batteries. The processor can be configured to implement a quick-charge process that includes charging each rechargeable battery for a first time interval using a first constant current, for a second time interval using a second constant current less than the first constant current, and for a third time interval using a constant voltage. This quick charge process is faster than conventional charging. The processor also manages discharge of two batteries in an alternating fashion so as to increase time between charging cycles, reduce the total number of charging cycles, and extend battery life.
    Type: Application
    Filed: March 14, 2013
    Publication date: March 26, 2015
    Inventors: Walter Doll, Jean-Noel Fehr, Urban Schnell, Roelof Trip, Amitava Gupta
  • Patent number: 8682426
    Abstract: A medical instrument for delivering electrotherapy to tissue that includes an outer support member having a ground plate at a distal end of the outer support member, and a protrusive element having a tip that extends beyond the ground plate. A portion of the protrusive element proximate the ground plate can act as an electrical insulator and a portion of the protrusive element proximate the distal end of the protrusive element can include a first electrode. The protrusive element can be designed to penetrate into tissue below a tissue surface while a tissue contacting surface of the ground plate rests against the tissue surface. Also disclosed are systems incorporating the medical instrument and methods of electrotherapy to subsurface tissue using the medical instrument.
    Type: Grant
    Filed: April 6, 2009
    Date of Patent: March 25, 2014
    Assignee: Old Dominion Research Foundation
    Inventors: Karl H. Schoenbach, Stephen J. Beebe, Tammo Heeren, Juergen F. Kolb, Shu Xiao, Richard Blomgren, Roelof Trip
  • Patent number: 8496658
    Abstract: An implantable intramedullary fixation structure adapted to be received in the intramedullary canal of a long bone is disclosed comprising a plurality of elongated segments. Each segment has a first end and a complementarily-shaped second end such that the first end of a segment cooperatively engages the second end of an adjacent segment. The segments define a guide aperture so as to be receivable over a guide for positioning in the intramedullary canal.
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: July 30, 2013
    Assignee: Sonoma Orthopedic Products, Inc.
    Inventors: James D. Stoneburner, Matthew T. Harmon, Roelof Trip, Charles E. Larsen, Daniel F. Justin, Karen E. Mohr, Carlyle J. Creger, Mojan Goshayesh
  • Patent number: 8430879
    Abstract: An implantable intramedullary fixation structure adapted to be received in the intramedullary canal of a long bone is disclosed comprising a plurality of elongated segments. Each segment has a first end and a complementarily-shaped second end such that the first end of a segment cooperatively engages the second end of an adjacent segment. The segments define a guide aperture so as to be receivable over a guide for positioning in the intramedullary canal.
    Type: Grant
    Filed: March 21, 2008
    Date of Patent: April 30, 2013
    Assignee: Sonoma Orthopedic Products, Inc.
    Inventors: James D. Stoneburner, Matthew T. Harmon, Roelof Trip, Charles E. Larsen, Daniel F. Justin, Karen E. Mohr, Carlyle J. Creger, Mojan Goshayesh
  • Patent number: 8365721
    Abstract: A method for performing intraocular brachytherapy and an apparatus for performing the same is disclosed. The apparatus preferably comprises a hand-held delivery device that advances a radiation source into an associated cannula or probe that is positioned adjacent the target tissue. The handpiece provides for shielded storage of the radiation source when retracted from the cannula and includes a slider mechanism for advancing and retracting the radiation source. The radiation source is mounted to a wire that has a flexible distal end and a relatively stiffer proximal end. A positioning system for the cannula is also disclosed.
    Type: Grant
    Filed: August 27, 2010
    Date of Patent: February 5, 2013
    Assignee: NeoVista Inc.
    Inventors: Charles E. Larsen, Richard A. Hillstead, Roelof Trip, Eugene deJuan, Mark S. Humayun, Eberhard Fritz, Rainer Pintaske, Sabine Willenkamp, Gerd T. Phillipps
  • Patent number: 8348938
    Abstract: Apparatus, systems and methods for providing electrical energy to treat a tissue condition includes a high voltage pulse generator for generating short high voltage pulses of energy and a delivery device for receiving the pulses of energy. The delivery device includes at least a pair of needle electrodes for penetrating into the tissue and delivering the pulses of energy to the tissue.
    Type: Grant
    Filed: May 6, 2009
    Date of Patent: January 8, 2013
    Assignees: Old Dominian University Research Foundation, Eastern Virginia Medical School
    Inventors: Richard D. Blomgren, Dilip Paithankar, Roelof Trip, Roman Slizynski, Kathleen Beauchamp
  • Publication number: 20130006245
    Abstract: An implantable intramedullary fixation structure adapted to be received in the intramedullary canal of a long bone is disclosed comprising a plurality of elongated segments. Each segment has a first end and a complementarily-shaped second end such that the first end of a segment cooperatively engages the second end of an adjacent segment. The segments define a guide aperture so as to be receivable over a guide for positioning in the intramedullary canal.
    Type: Application
    Filed: September 11, 2012
    Publication date: January 3, 2013
    Applicant: SONOMA ORTHOPEDIC PRODUCTS, INC.
    Inventors: James D. Stoneburner, Matthew T. Harmon, Roelof Trip, Charles E. Larsen, Daniel F. Justin, Karen E. Mohr, Carlyle J. Creger, Mojan Goshayesh
  • Patent number: 8292795
    Abstract: Methods and apparatus for intraocular brachytherapy are disclosed in which a cannula is introduced into the eye for delivery of radiation to a target tissue. Techniques for properly locating the cannula with respect to the target tissue, for protecting non-target tissue, for regulating heat generated by x-ray emitters, and for combining therapies are disclosed.
    Type: Grant
    Filed: September 22, 2010
    Date of Patent: October 23, 2012
    Assignee: NeoVista, Inc.
    Inventors: Richard A Hillstead, Charles E. Larsen, Roelof Trip, Cory S. Anderson, Eberhard Fritz, Rainer Pintaske
  • Publication number: 20120197175
    Abstract: The invention generally relates to shunts in which at least a portion of the body includes a drug.
    Type: Application
    Filed: December 8, 2011
    Publication date: August 2, 2012
    Applicant: AQUESYS, INC.
    Inventors: Christopher Horvath, Ronald D. Bache, Laszlo O. Romoda, Dao-Yi Yu, Cory Anderson, Roelof Trip, Ying Yang, Hoang Van Nguyen, Surag Mantri, Er-Ning Su, Stephen Cringle, James McCrea, Daniel Mufson, Colin Tan, Richard L. Lindstrom
  • Patent number: 8128627
    Abstract: An implantable segmented intramedullary structure adapted to be received in the intramedullary canal of a bone configurable between a relatively flexible, bent configuration for implantation or extraction and a relatively rigid, straightened configuration for bone treatment. The segmented intramedullary structure comprises a plurality of interconnected segments with a first interface and a complementarily-shaped second interface such that the first interface of a segment cooperatively engages the second interface of an adjacent segment. The segments define a channel for a tensioning member to lock the structure in a compressed configuration.
    Type: Grant
    Filed: December 29, 2008
    Date of Patent: March 6, 2012
    Assignee: Sonoma Orthopedic Products, Inc.
    Inventors: Daniel F. Justin, Karen E. Mohr, Carlyle J. Creger, Jeremy D. Borchert, James D. Stoneburner, Mojan Goshayesh, Matthew T. Harmon, Roelof Trip, Charles E. Larsen
  • Patent number: 8012078
    Abstract: Method and apparatus are disclosed employing ionizing radiation for forming lines of ablation or lesions in cardiac tissue to treat atrial fibrillation or other electrophysiological problems with the heart. The apparatus may include a catheter in which the radiation source is advanced hydraulically after the catheter is in place within the heart. Various fixation devices are also disclosed for fixing the location of the catheter within the heart.
    Type: Grant
    Filed: February 22, 2007
    Date of Patent: September 6, 2011
    Assignee: Best Vascular
    Inventors: Raoul Bonan, Charles E. Larsen, Roelof Trip, Douglas B. Schumer, Jack C. Griffis, III, Andrew L. Lerohl
  • Publication number: 20110196186
    Abstract: Method and apparatus are disclosed employing ionizing radiation. for forming lines of ablation or lesions in cardiac tissue to treat atrial fibrillation or other electrophysiological problems with the heart. The apparatus may include a catheter in which the radiation source is advanced hydraulically after the catheter is in place within the heart. Various fixation devices are also disclosed for fixing the location of the catheter within the heart.
    Type: Application
    Filed: April 20, 2011
    Publication date: August 11, 2011
    Inventors: RAOUL BONAN, Charles E. Larsen, Roelof Trip, Douglas B. Schumer, Jack C. Griffis, III, Andrew L. Lerohl
  • Patent number: 7951060
    Abstract: A method for performing intraocular brachytherapy and an apparatus for performing the same is disclosed. The apparatus preferably comprises a hand-held delivery device that advances a radiation source into an associated cannula or probe that is positioned adjacent the target tissue. The handpiece provides for shielded storage of the radiation source when retracted from the cannula and includes a slider mechanism for advancing and retracting the radiation source. The radiation source is mounted to a wire that has a flexible distal end and a relatively stiffer proximal end. A positioning system for the cannula is also disclosed.
    Type: Grant
    Filed: June 2, 2010
    Date of Patent: May 31, 2011
    Assignee: NeoVista, Inc.
    Inventors: Charles E. Larsen, Richard A. Hillstead, Roelof Trip, Eugene de Juan, Mark Humayun, Eberhard Fritz, Rainer Pintaske
  • Publication number: 20110118745
    Abstract: Methods, systems and apparatus for relieving pressure in an organ such as, but not limited to, the eye are disclosed. The method includes implanting a bioabsorbable, channel into the selected area of the organ using a delivery apparatus.
    Type: Application
    Filed: December 9, 2010
    Publication date: May 19, 2011
    Applicant: AQUESYS, INC.
    Inventors: DAO-YI YU, Cory Anderson, Roelof Trip, Ying Yang, Hoang Van Nguyen, Surag Mantri, Er-Ning Su, Stephen Cringle, James McCrea, Daniel Mufson, Colin Tan
  • Publication number: 20110021906
    Abstract: Methods and apparatus for intraocular brachytherapy are disclosed in which a cannula is introduced into the eye for delivery of radiation to a target tissue. Techniques for properly locating the cannula with respect to the target tissue, for protecting non-target tissue, for regulating heat generated by x-ray emitters, and for combining therapies are disclosed.
    Type: Application
    Filed: September 22, 2010
    Publication date: January 27, 2011
    Inventors: Richard A. Hillstead, Charles E. Larsen, Roelof Trip, Cory S. Anderson, Eberhard Fritz, Rainer Pintaske, John N. Hendrick, Benjamin W. Woodward
  • Publication number: 20110004045
    Abstract: A method for performing intraocular brachytherapy and an apparatus for performing the same is disclosed. The apparatus preferably comprises a hand-held delivery device that advances a radiation source into an associated cannula or probe that is positioned adjacent the target tissue. The handpiece provides for shielded storage of the radiation source when retracted from the cannula and includes a slider mechanism for advancing and retracting the radiation source. The radiation source is mounted to a wire that has a flexible distal end and a relatively stiffer proximal end. A positioning system for the cannula is also disclosed.
    Type: Application
    Filed: August 27, 2010
    Publication date: January 6, 2011
    Inventors: Charles E. Larsen, Richard A. Hillstead, Roelof Trip, Eugene deJuan, Mark S. Humayun, Eberhard Fritz, Rainer Pintaske, Sabine Willenkamp, Gerd T. Phillipps
  • Publication number: 20100268013
    Abstract: A method for performing intraocular brachytherapy and an apparatus for performing the same is disclosed. The apparatus preferably comprises a hand-held delivery device that advances a radiation source into an associated cannula or probe that is positioned adjacent the target tissue. The handpiece provides for shielded storage of the radiation source when retracted from the cannula and includes a slider mechanism for advancing and retracting the radiation source. The radiation source is mounted to a wire that has a flexible distal end and a relatively stiffer proximal end. A positioning system for the cannula is also disclosed.
    Type: Application
    Filed: June 2, 2010
    Publication date: October 21, 2010
    Inventors: Charles E. Larsen, Richard A. Hillstead, Roelof Trip, Eugene deJuan, Mark Humayun, Eberhard Fritz, Rainer Pintaske