Patents by Inventor Hans F. Valencia

Hans F. Valencia 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: 20210275778
    Abstract: A medical tool may comprise sheath and a needle extendable from and retractable into the sheath. The sheath may comprise a tubular shaft member and a guard member attached to the tubular shaft member. The needle may comprise a flexible jacket. One or more of these components may be configured to prevent interference between the flexible jacket and a portion of the guard member as the need is extended or retracted.
    Type: Application
    Filed: March 2, 2021
    Publication date: September 9, 2021
    Inventors: Hans F. Valencia, Peter Fernandez, IV, Lucas S. Gordon
  • Patent number: 10925724
    Abstract: Apparatus for endovascularly replacing a patient's heart valve, including: a replacement valve adapted to be delivered endovascularly to a vicinity of the heart valve; an expandable anchor adapted to be delivered endovascularly to the vicinity of the heart valve; and a lock mechanism configured to maintain a minimum amount of anchor expansion. The invention also includes a method for endovascularly replacing a patient's heart valve. In some embodiments the method includes the steps of: endovascularly delivering a replacement valve and an expandable anchor to a vicinity of the heart valve; expanding the anchor to a deployed configuration; and locking the anchor in the deployed configuration.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: February 23, 2021
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Amr Salahieh, Brian D. Brandt, Dwight P. Morejohn, Ulrich R. Haug, Jean-Pierre Dueri, Hans F. Valencia, Robert A. Geshlider
  • Publication number: 20200391010
    Abstract: An axial support structure for a flexible elongate device may comprise a plurality of rigid links coupled by pin joints. Each of the plurality of rigid links may comprise a shaft, a pair of male joint connectors, and a pair of female joint connectors. Each male joint connector may comprise a male tab including an inner surface coplanar with an inner surface of the shaft and extending axially from a first end of the shaft. Each of the male joint connectors may include a pin extending radially. Each female joint connector may comprise a female tab having an outer surface coplanar with an outer surface of the shaft and extending axially from a second end of the shaft. The pair of female joint connectors may be rotated by 90 degrees relative to the pair of male joint connectors. Each female tab may define an aperture.
    Type: Application
    Filed: July 17, 2020
    Publication date: December 17, 2020
    Inventors: Carolyn M. Fenech, Hans F. Valencia
  • Patent number: 10729886
    Abstract: An axial support structure for a flexible elongate device includes a plurality of rigid links. each link comprises a shaft, a pair of male joint connectors comprising a male tab coplanar with the shaft extending from a first end, and a pair of female joint connectors comprising a female tab coplanar with the shaft extending from a second end. Each of the male joint connectors includes a pin extending from the male tab in a direction perpendicular to an axial direction of the shaft and each female tab defines an aperture. Each of the plurality of rigid links is rotated by 90 degrees with respect to neighboring links among the plurality of rigid links, thereby aligning each pair of male joint connectors with a neighboring pair of female joint connectors to form pin joints in which each aperture encircles a corresponding pin.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: August 4, 2020
    Assignee: INTUITIVE SURGICAL OPERATIONS, INC.
    Inventors: Carolyn M. Fenech, Hans F. Valencia
  • Publication number: 20200222666
    Abstract: Flexible elongate device systems and methods include a flexible elongate device having a flexible body and an axial support structure. The axial support structure includes at least one groove extending along a length of the axial support structure. The flexible elongate device further includes a plurality of control elements for actuating the flexible elongate device. Each of the plurality of control elements extends through one of the at least one groove of the axial support structure. In some embodiments, the at least one groove includes a plurality of grooves spaced circumferentially around the axial support structure. In some embodiments, the flexible body includes lumens that extend through the at least one of the grooves. The control elements are disposed in the lumens. In some embodiments, the flexible body includes a main lumen that extends centrally through the flexible body. The main lumen provides a channel for a medical tool.
    Type: Application
    Filed: July 20, 2018
    Publication date: July 16, 2020
    Inventors: Jason K. Chan, Joseph R. Callol, Lucas S. Gordon, Anoop B. Kowshik, Randall L. Schlesinger, Hans F. Valencia, Worth B. Walters
  • Publication number: 20200077991
    Abstract: A medical tool comprises an elongated tubular section having a body wall including a plurality of slits and a rigid needle tip coupled to a distal end of the tubular section. The tool further includes a flexible jacket coupled with the elongated tubular section by extending into the plurality of slits to block a fluid passageway through the plurality of slits.
    Type: Application
    Filed: May 31, 2017
    Publication date: March 12, 2020
    Inventors: Lucas S. Gordon, Hans F. Valencia, Oliver J. Wagner
  • Publication number: 20200029948
    Abstract: Systems and methods for minimally invasive treatment of target tissue among one or more passageways include a flexible elongate device, a tool including a first tubular member, and an instrument to perform treatment on target tissue around the target location. The flexible elongate device includes a proximal end, a distal end, and a lumen therebetween. The tool is configured for deployment within the lumen to a passageway exit site, puncturing a passageway wall at the passageway exit site, and deployment to a target location. The instrument is sized to be deployed within the tool. In some embodiments, the systems and methods further include an anchor configured to stabilize the tool. In some embodiments, the first tubular member is a first hollow sheath configured to be deployed past the distal end of the flexible elongate device to the passageway exit site.
    Type: Application
    Filed: July 26, 2019
    Publication date: January 30, 2020
    Inventors: Serena H. Wong, Benjamin G. Cohn, Hans F. Valencia
  • Publication number: 20200000590
    Abstract: The invention includes methods of and apparatus for endovascularly replacing a heart valve of a patient. One aspect of the invention provides a method including the steps of endovascularly delivering a replacement valve and an expandable anchor to a vicinity of the heart valve in an unexpanded configuration; and applying an external non-hydraulically expanding or non-pneumatically expanding actuation force on the anchor to change the shape of the anchor, such as by applying proximally and/or distally directed force on the anchor using a releasable deployment tool to expand and contract the anchor or parts of the anchor. Another aspect of the invention provides an apparatus including a replacement valve; an anchor; and a deployment tool comprising a plurality of anchor actuation elements adapted to apply a non-hydraulically expanding or non-pneumatically expanding actuation force on the anchor to reshape the anchor.
    Type: Application
    Filed: August 13, 2019
    Publication date: January 2, 2020
    Applicant: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: Amr Salahieh, Jean-Pierre Dueri, Hans F. Valencia, Brian D. Brandt, Dwight P. Morejohn, Claudio Argento, Tom Saul, Ulrich R. Haug
  • Patent number: 10478289
    Abstract: Apparatus for endovascularly replacing a patient's heart valve, including: a replacement valve adapted to be delivered endovascularly to a vicinity of the heart valve; an expandable anchor adapted to be delivered endovascularly to the vicinity of the heart valve; and a lock mechanism configured to maintain a minimum amount of anchor expansion. The invention also includes a method for endovascularly replacing a patient's heart valve. In some embodiments the method includes the steps of: endovascularly delivering a replacement valve and an expandable anchor to a vicinity of the heart valve; expanding the anchor to a deployed configuration; and locking the anchor in the deployed configuration.
    Type: Grant
    Filed: August 14, 2017
    Date of Patent: November 19, 2019
    Assignee: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: Amr Salahieh, Brian D. Brandt, Dwight P. Morejohn, Ulrich R. Haug, Jean-Pierre Dueri, Hans F. Valencia, Robert A. Geshlider
  • Patent number: 10426608
    Abstract: A replacement heart valve assembly including an expandable anchor having a skirt region, a lip region, and a groove region therebetween and a replacement valve disposed within the expandable anchor and engaged with the groove region of the expandable anchor.
    Type: Grant
    Filed: March 6, 2017
    Date of Patent: October 1, 2019
    Assignee: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: Amr Salahieh, Brian D. Brandt, Dwight P. Morejohn, Ulrich R. Haug, Jean-Pierre Dueri, Hans F. Valencia, Robert A. Geshlider, Jeff A. Krolik
  • Patent number: 10413409
    Abstract: The present invention relates to apparatus and methods for endovascularly delivering and releasing a prosthesis, e.g., an aortic prosthesis, within and/or across a patient's native heart valve, referred to hereinafter as replacing the patient's heart valve. In some embodiments the delivery system comprises a plurality of first actuatable element adapted to engage a plurality of second elements in a first configuration to capture the implant within the delivery system, and wherein the plurality of first actuatable element are adapted to engage the plurality of second elements in a second configuration and to release the implant from the delivery system.
    Type: Grant
    Filed: December 30, 2016
    Date of Patent: September 17, 2019
    Assignee: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: Amr Salahieh, Hans F. Valencia, Brian D. Brandt, Claudio Argento, Ulrich R. Haug, Jean-Pierre Dueri, Daniel K. Hildebrand, Dwight P. Morejohn, Tom Saul
  • Patent number: 10413412
    Abstract: The invention includes methods of and apparatus for endovascularly replacing a heart valve of a patient. One aspect of the invention provides a method including the steps of endovascularly delivering a replacement valve and an expandable anchor to a vicinity of the heart valve in an unexpanded configuration; and applying an external non-hydraulically expanding or non-pneumatically expanding actuation force on the anchor to change the shape of the anchor, such as by applying proximally and/or distally directed force on the anchor using a releasable deployment tool to expand and contract the anchor or parts of the anchor. Another aspect of the invention provides an apparatus including a replacement valve; an anchor; and a deployment tool comprising a plurality of anchor actuation elements adapted to apply a non-hydraulically expanding or non-pneumatically expanding actuation force on the anchor to reshape the anchor.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: September 17, 2019
    Assignee: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: Amr Salahieh, Jean-Pierre Dueri, Hans F. Valencia, Brian D. Brandt, Dwight P. Morejohn, Claudio Argento, Tom Saul, Ulrich R. Haug
  • Patent number: 10357359
    Abstract: The present invention provides methods and apparatus for endovascularly replacing a patient's heart valve. The apparatus includes a replacement valve and an anchor having an expandable braid. In some embodiments, the expandable braid is fabricated from a single strand of wire. In some embodiments, the expandable braid comprises at least one turn feature. The anchor and the valve preferably are configured for endovascular delivery and deployment.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: July 23, 2019
    Assignee: BOSTON SCIENTIFIC SCIMED INC
    Inventors: Ulrich R. Haug, Hans F. Valencia, Robert A. Geshlider, Tom Saul, Amr Salahieh, Dwight P. Morejohn
  • Patent number: 10206774
    Abstract: Apparatus for endovascularly replacing a patient's heart valve, including: a delivery catheter having a diameter of 21 french or less; an expandable anchor disposed within the delivery catheter; and a replacement valve disposed within the delivery catheter. The invention also includes a method for endovascularly replacing a heart valve of a patient. In some embodiments the method includes the steps of: inserting a catheter having a diameter no more than 21 french into the patient; endovascularly delivering a replacement valve and an expandable anchor to a vicinity of the heart valve through the catheter; and deploying the anchor and the replacement valve.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: February 19, 2019
    Assignee: BOSTON SCIENTIFIC SCIMED INC.
    Inventors: Amr Salahieh, Brian D. Brandt, Dwight P. Morejohn, Ulrich R. Haug, Jean-Pierre Dueri, Hans F. Valencia, Robert A. Geshlider, Jeff A. Krolik
  • Patent number: 10039535
    Abstract: Embodiments are described for closing vascular access ports, such as arteriotomies, which involve placement and deployment of an expandable device configured to prevent blood flow across a subject arteriotomy while also keeping disturbance of intravascular flow to a minimum. Suitable prostheses may comprise one or more frames constructed from lengths of flexible materials, such as shape memory alloys or polymers. Such frames may be coupled to sheetlike or tube-like structures configured to spread loads, minimize thrombosis which may be related to intravascular flow, and maintain hemostasis.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: August 7, 2018
    Assignee: ProMed, Inc.
    Inventors: Richard S. Ginn, Nicanor Domingo, Hans F. Valencia, Robert Elliott DeCou, Scott Yerby
  • Patent number: 10039534
    Abstract: Embodiments are described for closing vascular access ports, such as arteriotomies, which involve placement and deployment of an expandable device configured to prevent blood flow across a subject arteriotomy while also keeping disturbance of intravascular flow to a minimum. Suitable prostheses may comprise one or more frames constructed from lengths of flexible materials, such as shape memory alloys or polymers. Such frames may be coupled to sheetlike or tube-like structures configured to spread loads, minimize thrombosis which may be related to intravascular flow, and maintain hemostasis.
    Type: Grant
    Filed: July 21, 2010
    Date of Patent: August 7, 2018
    Assignee: ProMed, Inc.
    Inventors: Richard S. Ginn, Nicanor Domingo, Hans F. Valencia, Robert Elliott DeCou, Scott Yerby
  • Publication number: 20180206991
    Abstract: The invention includes methods of and apparatus for endovascularly replacing a heart valve of a patient. One aspect of the invention provides a method including the steps of endovascularly delivering a replacement valve and an expandable anchor to a vicinity of the heart valve in an unexpanded configuration; and applying an external non-hydraulically expanding or non-pneumatically expanding actuation force on the anchor to change the shape of the anchor, such as by applying proximally and/or distally directed force on the anchor using a releasable deployment tool to expand and contract the anchor or parts of the anchor. Another aspect of the invention provides an apparatus including a replacement valve; an anchor; and a deployment tool comprising a plurality of anchor actuation elements adapted to apply a non-hydraulically expanding or non-pneumatically expanding actuation force on the anchor to reshape the anchor.
    Type: Application
    Filed: March 21, 2018
    Publication date: July 26, 2018
    Applicant: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: Amr Salahieh, Jean-Pierre Dueri, Hans F. Valencia, Brian D. Brandt, Dwight P. Morejohn, Claudio Argento, Tom Saul, Ulrich R. Haug
  • Publication number: 20180116793
    Abstract: Apparatus for endovascularly replacing a patient's heart valve, including: a replacement valve adapted to be delivered endovascularly to a vicinity of the heart valve; an expandable anchor adapted to be delivered endovascularly to the vicinity of the heart valve; and a lock mechanism configured to maintain a minimum amount of anchor expansion. The invention also includes a method for endovascularly replacing a patient's heart valve. In some embodiments the method includes the steps of: endovascularly delivering a replacement valve and an expandable anchor to a vicinity of the heart valve; expanding the anchor to a deployed configuration; and locking the anchor in the deployed configuration.
    Type: Application
    Filed: December 14, 2017
    Publication date: May 3, 2018
    Applicant: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: Amr Salahieh, Brian D. Brandt, Dwight P. Morejohn, Ulrich R. Haug, Jean-Pierre Dueri, Hans F. Valencia, Robert A. Geshlider
  • Publication number: 20180116792
    Abstract: Apparatus for endovascularly replacing a patient's heart valve, including: a replacement valve adapted to be delivered endovascularly to a vicinity of the heart valve; an expandable anchor adapted to be delivered endovascularly to the vicinity of the heart valve; and a lock mechanism configured to maintain a minimum amount of anchor expansion. The invention also includes a method for endovascularly replacing a patient's heart valve. In some embodiments the method includes the steps of: endovascularly delivering a replacement valve and an expandable anchor to a vicinity of the heart valve; expanding the anchor to a deployed configuration; and locking the anchor in the deployed configuration.
    Type: Application
    Filed: December 14, 2017
    Publication date: May 3, 2018
    Applicant: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: Amr Salahieh, Brian D. Brandt, Dwight P. Morejohn, Ulrich R. Haug, Jean-Pierre Dueri, Hans F. Valencia, Robert A. Geshlider
  • Patent number: 9956075
    Abstract: The invention includes methods of and apparatus for endovascularly replacing a heart valve of a patient. One aspect of the invention provides a method including the steps of endovascularly delivering a replacement valve and an expandable anchor to a vicinity of the heart valve in an unexpanded configuration; and applying an external non-hydraulically expanding or non-pneumatically expanding actuation force on the anchor to change the shape of the anchor, such as by applying proximally and/or distally directed force on the anchor using a releasable deployment tool to expand and contract the anchor or parts of the anchor. Another aspect of the invention provides an apparatus including a replacement valve; an anchor; and a deployment tool comprising a plurality of anchor actuation elements adapted to apply a non-hydraulically expanding or non-pneumatically expanding actuation force on the anchor to reshape the anchor.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: May 1, 2018
    Assignee: Boston Scientific Scimed Inc.
    Inventors: Amr Salahieh, Jean-Pierre Dueri, Hans F. Valencia, Brian D. Brandt, Dwight P. Morejohn, Claudio Argento, Tom Saul, Ulrich R. Haug