Patents by Inventor H. Toby Markowitz

H. Toby Markowitz 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: 20240041533
    Abstract: Systems and methods for navigation and positioning a central venous catheter within a patient. The system may include a first pole and a second pole designed to generate an electric field sufficient to obtain a plurality of field measurements. The system may include a stylet inserted into a medical device. The stylet may include a magnetic assembly configured to produce a magnetic field positioned along a distal portion of the stylet, and a stylet electrode positioned distal of the magnetic assembly. The stylet electrode may be designed to function as both an interior excitation electrode and an interior detection electrode. Advancement of the medical device in the patient may include using a conductance curve generated from the plurality of field measurements to identify an obstruction or malposition in the patient.
    Type: Application
    Filed: August 25, 2023
    Publication date: February 8, 2024
    Inventors: Anthony K. Misener, Paul D. Morgan, William Robert McLaughlin, Ghassan S. Kassab, William Combs, Mark Svendsen, H. Toby Markowitz
  • Patent number: 11759268
    Abstract: Systems and methods for navigation and positioning a central venous catheter within a patient. The system may include a first pole and a second pole designed to generate an electric field sufficient to obtain a plurality of field measurements. The system may include a stylet inserted into a medical device. The stylet may include a magnetic assembly configured to produce a magnetic field positioned along a distal portion of the stylet, and a stylet electrode positioned distal of the magnetic assembly. The stylet electrode may be designed to function as both an interior excitation electrode and an interior detection electrode. Advancement of the medical device in the patient may include using a conductance curve generated from the plurality of field measurements to identify an obstruction or malposition in the patient.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: September 19, 2023
    Assignee: C. R. Bard, Inc.
    Inventors: Anthony K. Misener, Paul D. Morgan, William Robert McLaughlin, Ghassan S. Kassab, William Combs, Mark Svendsen, H. Toby Markowitz
  • Publication number: 20220151709
    Abstract: Systems and methods for navigation and positioning a central venous catheter within a patient. The system may include a first pole and a second pole designed to generate an electric field sufficient to obtain a plurality of field measurements. The system may include a stylet inserted into a medical device. The stylet may include a magnetic assembly configured to produce a magnetic field positioned along a distal portion of the stylet, and a stylet electrode positioned distal of the magnetic assembly. The stylet electrode may be designed to function as both an interior excitation electrode and an interior detection electrode. Advancement of the medical device in the patient may include using a conductance curve generated from the plurality of field measurements to identify an obstruction or malposition in the patient.
    Type: Application
    Filed: November 23, 2021
    Publication date: May 19, 2022
    Inventors: Anthony K. Misener, Paul D. Morgan, William Robert McLaughlin, Ghassan S. Kassab, William Combs, Mark Svendsen, H. Toby Markowitz
  • Patent number: 11172843
    Abstract: Devices and systems for navigation and positioning a central venous catheter within a patient. In an exemplary embodiment of a system of the present disclosure, the system comprises a first pole and a second pole, the first pole and the second pole configured to generate an electric field within a mammalian body sufficient to obtain a plurality of field measurements therein, and an elongated body configured for at least partial insertion into a blood vessel of the mammalian body and advancement through a vasculature, said advancement dependent upon the plurality of field measurements indicative of one or more locations of a portion of the elongated body within the vasculature. In at least one embodiment, the elongated body is configured as a stylet.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: November 16, 2021
    Assignee: Bard Access Systems, Inc.
    Inventors: Ghassan S. Kassab, William Combs, Mark Svendsen, H. Toby Markowitz
  • Patent number: 11065422
    Abstract: Devices, systems, and methods useful to engage tissue using suction and to perform medical procedures during sectional engagement. The present disclosure includes disclosure of a tension apparatus, comprising an elongated portion; and a head portion at a distal end of the elongated portion, the head portion comprising one or more arms, whereby a suction lumen extending along the elongated portion and the one or more arms terminates at one or more suction openings at each of the one or more arms.
    Type: Grant
    Filed: November 23, 2017
    Date of Patent: July 20, 2021
    Assignee: CVDevices, LLC
    Inventors: Ghassan S. Kassab, Matthew Phillips, H. Toby Markowitz
  • Patent number: 11000205
    Abstract: Devices and systems for navigation and positioning a central venous catheter within a patient. In an exemplary embodiment of a system of the present disclosure, the system comprises a first pole and a second pole, the first pole and the second pole configured to generate an electric field within a mammalian body sufficient to obtain a plurality of field measurements therein, and an elongated body configured for at least partial insertion into a blood vessel of the mammalian body and advancement through a vasculature, said advancement dependent upon the plurality of field measurements indicative of one or more locations of a portion of the elongated body within the vasculature. In at least one embodiment, the elongated body is configured as a stylet.
    Type: Grant
    Filed: April 5, 2013
    Date of Patent: May 11, 2021
    Assignee: Bard Access Systems, Inc.
    Inventors: Ghassan S. Kassab, William Combs, Mark Svendsen, H. Toby Markowitz
  • Publication number: 20200281505
    Abstract: Devices and methods for sizing valve apertures and luminal organs. In at least one embodiment of a device for obtaining measurements within a luminal organ of the present disclosure, the device comprises an elongated body having a distal end and at least two electrodes positioned at the distal end of the elongated body or to a portion of the device distal tot the distal end of the elongated body, the device configured to obtain data sufficient to determine a dimensional measurement within the mammalian luminal organ when positioned and operated therein.
    Type: Application
    Filed: February 25, 2020
    Publication date: September 10, 2020
    Inventors: Ghassan S. Kassab, H. Toby Markowitz
  • Patent number: 10568546
    Abstract: Devices and methods for sizing valve apertures and luminal organs. In at least one embodiment of a device for obtaining measurements within a luminal organ of the present disclosure, the device comprises an elongated body, and at least one sizing finger positioned at a distal end of the elongated body, the at least one sizing finger configured to move from a first position to a second position by way of adjustment of at least one movable device coupled thereto, wherein a dimensional measurement within the luminal organ can be determined based upon the first position and the second position.
    Type: Grant
    Filed: June 17, 2015
    Date of Patent: February 25, 2020
    Inventors: Ghassan S. Kassab, H. Toby Markowitz
  • Patent number: 10426377
    Abstract: An volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: October 1, 2019
    Assignee: Medtronic, Inc.
    Inventors: H. Toby Markowitz, Michael Kryger
  • Patent number: 10159531
    Abstract: Devices and systems for navigation and positioning a central venous catheter within a patient. In an exemplary embodiment of a system of the present disclosure, the system comprises a first pole and a second pole, the first pole and the second pole configured to generate an electric field within a mammalian body sufficient to obtain a plurality of field measurements therein, and an elongated body configured for at least partial insertion into a blood vessel of the mammalian body and advancement through a vasculature, said advancement dependent upon the plurality of field measurements indicative of one or more locations of a portion of the elongated body within the vasculature. In at least one embodiment, the elongated body is configured as a stylet. In another embodiment, techniques for identifying and locating obstructions in the vessel in which a device is disposed are disclosed.
    Type: Grant
    Filed: September 8, 2015
    Date of Patent: December 25, 2018
    Assignee: C. R. Bard, Inc.
    Inventors: Anthony K. Misener, Paul D. Morgan, William R. McLaughlin, Ghassan S. Kassab, William Combs, Mark Svendsen, H. Toby Markowitz
  • Publication number: 20180085554
    Abstract: Devices, systems, and methods useful to engage tissue using suction and to perform medical procedures during sectional engagement. The present disclosure includes disclosure of a tension apparatus, comprising an elongated portion; and a head portion at a distal end of the elongated portion, the head portion comprising one or more arms, whereby a suction lumen extending along the elongated portion and the one or more arms terminates at one or more suction openings at each of the one or more arms.
    Type: Application
    Filed: November 23, 2017
    Publication date: March 29, 2018
    Inventors: Ghassan S. Kassab, Matthew Phillips, H. Toby Markowitz
  • Patent number: 9662041
    Abstract: An area of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of an area or volume can be determined based upon the sensing of the plurality of points without the use of an imaging device. An implantable medical device can then be navigated relative to the mapping data.
    Type: Grant
    Filed: June 3, 2013
    Date of Patent: May 30, 2017
    Assignee: Medtronic, Inc.
    Inventors: H. Toby Markowitz, Karl Evan Nowak, Mustafa Karamanoglu, Pooja Mehta, Ioana Fleming, David Scanlon, Michael Kryger, Sean T. Massa, Chad Giese, Victoria Interrante, Phillip Falkner
  • Patent number: 9655666
    Abstract: A method of treating cardiac tissue is provided, including positioning a first chamber of a medical device adjacent an atrial wall; directing a cryogenic coolant into the first chamber; anchoring the first chamber to the atrial wall through cryoadhesion; directing a distal portion of the medical device into the coronary sinus; and positioning a cardiac lead through at least a portion of the coronary sinus with the distal portion. The method may include measuring a temperature of the first chamber; removing the first chamber from the atrial wall once a predetermined threshold temperature of the first chamber is reached; anchoring a second chamber of the medical device to a portion of the coronary sinus; and/or perfusing blood flow through at least a portion of the second chamber.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: May 23, 2017
    Assignee: Medtronic Ablatio Frontiers LLC
    Inventors: H. Toby Markowitz, Amy E. Thompson-Nauman
  • Patent number: 9332928
    Abstract: An volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data.
    Type: Grant
    Filed: April 14, 2009
    Date of Patent: May 10, 2016
    Assignee: Medtronic, Inc.
    Inventors: H. Toby Markowitz, Mustafa Karamanoglu, Pooja Mehta, Ioana Fleming, David A. Scanlon, Michael Kryger, Sean Campbell-Massa, Chad Giese, Steven L. Waldhauser, Shangqian Peter Zhang, Jeff Jannicke, Phillip Falkner, Don Hefner, Eduardo N. Warman, James Steeves, Rogier Receveur, Koen Michels, Olaf Eick, Vincent Larik
  • Publication number: 20160066814
    Abstract: An volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data.
    Type: Application
    Filed: November 9, 2015
    Publication date: March 10, 2016
    Inventors: H. Toby MARKOWITZ, Michael KRYGER
  • Publication number: 20160067449
    Abstract: Devices and systems for navigation and positioning a central venous catheter within a patient. In an exemplary embodiment of a system of the present disclosure, the system comprises a first pole and a second pole, the first pole and the second pole configured to generate an electric field within a mammalian body sufficient to obtain a plurality of field measurements therein, and an elongated body configured for at least partial insertion into a blood vessel of the mammalian body and advancement through a vasculature, said advancement dependent upon the plurality of field measurements indicative of one or more locations of a portion of the elongated body within the vasculature. In at least one embodiment, the elongated body is configured as a stylet. In another embodiment, techniques for identifying and locating obstructions in the vessel in which a device is disposed are disclosed.
    Type: Application
    Filed: September 8, 2015
    Publication date: March 10, 2016
    Inventors: Anthony K. Misener, Paul D. Morgan, William R. McLaughlin, Ghassan S. Kassab, William Combs, Mark Svendsen, H. Toby Markowitz
  • Publication number: 20150366485
    Abstract: Devices and methods for sizing valve apertures and luminal organs. In at least one embodiment of a device for obtaining measurements within a luminal organ of the present disclosure, the device comprises an elongated body, and at least one sizing finger positioned at a distal end of the elongated body, the at least one sizing finger configured to move from a first position to a second position by way of adjustment of at least one movable device coupled thereto, wherein a dimensional measurement within the luminal organ can be determined based upon the first position and the second position.
    Type: Application
    Filed: June 17, 2015
    Publication date: December 24, 2015
    Inventors: Ghassan S. Kassab, H. Toby Markowitz
  • Patent number: 9179860
    Abstract: An volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data.
    Type: Grant
    Filed: April 14, 2009
    Date of Patent: November 10, 2015
    Assignee: Medtronic, Inc.
    Inventors: H. Toby Markowitz, Mustafa Karamanoglu, Pooja Mehta, Ioana Fleming, David A. Scanlon, Michael Kryger, Sean Campbell-Massa, Chad Giese, Steven L. Waldhauser, Shangqian Peter Zhang, Jeff Jannicke, Phillip Falkner, Don Hefner, Eduardo N. Warman, James Steeves, Rogier Receveur, Koen Michels, Olaf Eick, Vincent Larik
  • Publication number: 20150297113
    Abstract: Devices and systems for navigation and positioning a central venous catheter within a patient. In an exemplary embodiment of a system of the present disclosure, the system comprises a first pole and a second pole, the first pole and the second pole configured to generate an electric field within a mammalian body sufficient to obtain a plurality of field measurements therein, and an elongated body configured for at least partial insertion into a blood vessel of the mammalian body and advancement through a vasculature, said advancement dependent upon the plurality of field measurements indicative of one or more locations of a portion of the elongated body within the vasculature. In at least one embodiment, the elongated body is configured as a stylet.
    Type: Application
    Filed: June 26, 2015
    Publication date: October 22, 2015
    Inventors: Ghassan S. Kassab, William Combs, Mark Svendsen, H. Toby Markowitz
  • Patent number: 9131872
    Abstract: A volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data.
    Type: Grant
    Filed: March 8, 2012
    Date of Patent: September 15, 2015
    Assignee: Medtronic, Inc.
    Inventors: H. Toby Markowitz, Rogier Receveur, Koen Michels, Olaf Eick, Vincent Larik