Patents by Inventor Dwight P. Morejohn
Dwight P. Morejohn 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).
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Patent number: 8231670Abstract: A method for percutaneously replacing a heart valve of a patient. In some embodiments the method includes the steps of percutaneously delivering a replacement valve and an expandable anchor to a vicinity of the heart valve in an unexpanded configuration; expanding the anchor to a deployed configuration in which the anchor contacts tissue at a first anchor site; repositioning the anchor to a second anchor site; and deploying the anchor at the second anchor site.Type: GrantFiled: November 3, 2008Date of Patent: July 31, 2012Assignee: Sadra Medical, Inc.Inventors: Amr Salahieh, Brian D. Brandt, Dwight P. Morejohn, Ulrich R. Haug, Jean-Pierre Dueri, Hans F. Valencia, Robert A. Geshlider, Jeff Krolik
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Patent number: 8216221Abstract: Cardiac ablation systems and methods of their use and manufacture involve an ablation mechanism, a stabilizer mechanism, and a cinching mechanism that urges the ablation mechanism toward a patient tissue. Embodiments encompass methods for administering epicardial and endocardial lesions, including box lesions and connecting lesions, to patient tissue.Type: GrantFiled: May 21, 2008Date of Patent: July 10, 2012Assignee: ESTECH, Inc.Inventors: Tamer Ibrahim, Mike J. Banchieri, Dwight P. Morejohn
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Patent number: 8182528Abstract: 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: GrantFiled: December 23, 2003Date of Patent: May 22, 2012Assignee: Sadra Medical, Inc.Inventors: Amr Salahieh, Brian D. Brandt, Dwight P. Morejohn, Ulrich R. Haug, Jean-Pierre Dueri, Hans F. Valencia, Robert A. Geshlider
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Publication number: 20120123411Abstract: Surgical systems and methods for administering an ablation treatment and other therapeutic or diagnostic protocols to a patient tissue involve a flexible stabilizer mechanism having an inner recess and an ablation mechanism coupled with the stabilizer mechanism.Type: ApplicationFiled: November 14, 2011Publication date: May 17, 2012Applicant: ESTECH, Inc. (Endoscopic Technologies, Inc.)Inventors: Tamer Ibrahim, Dwight P. Morejohn, Michael J. Banchieri, Ara Stephanian, John D. Pavlidis, David K. Swanson
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Publication number: 20120089224Abstract: 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: ApplicationFiled: December 13, 2011Publication date: April 12, 2012Applicant: SADRA MEDICAL, INC.Inventors: Ulrich R. Haug, Hans F. Valencia, Robert A. Geshlider, Tom Saul, Amr Salahieh, Dwight P. Morejohn
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Patent number: 8133271Abstract: A method for percutaneously replacing a heart valve of a patient. In some embodiments the method includes the steps of percutaneously delivering a replacement valve and an expandable anchor to a vicinity of the heart valve in an unexpanded configuration; expanding the anchor to a deployed configuration in which the anchor contacts tissue at a first anchor site; repositioning the anchor to a second anchor site; and deploying the anchor at the second anchor site.Type: GrantFiled: November 3, 2008Date of Patent: March 13, 2012Assignee: Sadra Medical, Inc.Inventors: Amr Salahieh, Brian D. Brandt, Dwight P. Morejohn, Ulrich R. Haug, Jean-Pierre Dueri, Hans F. Valencia, Robert A. Geshlider, Jeff Krolik
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Publication number: 20120053683Abstract: The present invention relates to apparatus for methods for endovascularly replacing a patient's heart valve. The apparatus includes an expandable anchor with leaflet engagement elements on the proximal end of the anchor and a replacement valve. The leaflet engagement elements can be used to prevent distal migration and insure proper positioning of the apparatus.Type: ApplicationFiled: November 7, 2011Publication date: March 1, 2012Applicant: SADRA MEDICAL, INC.Inventors: Amr Salahieh, Brian D. Brandt, Robert A. Geshlider, Dwight P. Morejohn, Tom Saul
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Publication number: 20120041549Abstract: A method for percutaneously replacing a heart valve of a patient. In some embodiments the method includes the steps of percutaneously delivering a replacement valve and an expandable anchor to a vicinity of the heart valve in an unexpanded configuration; expanding the anchor to a deployed configuration in which the anchor contacts tissue at a first anchor site; repositioning the anchor to a second anchor site; and deploying the anchor at the second anchor site.Type: ApplicationFiled: October 27, 2011Publication date: February 16, 2012Applicant: SADRA MEDICAL, INC.Inventors: Amr Salahieh, Brian D. Brandt, Dwight P. Morejohn, Ulrich R. Haug, Jean-Pierre Dueri, Hans F. Valencia, Robert A. Geshlider, Jeff Krolik
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Publication number: 20120022642Abstract: 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: ApplicationFiled: July 28, 2011Publication date: January 26, 2012Applicant: SADRA MEDICAL INC.Inventors: Ulrich R. Haug, Hans F. Valencia, Robert A. Geshlider, Tom Saul, Amr Salahieh, Dwight P. Morejohn
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Publication number: 20120016469Abstract: 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: ApplicationFiled: June 10, 2011Publication date: January 19, 2012Applicant: SADRA MEDICAL INC.Inventors: Amr Salahieh, Jean-Pierre Dueri, Hans F. Valencia, Daniel Hildebrand, Brian D. Brandt, Dwight P. Morejohn, Claudio Argento, Tom Saul, Ulrich R. Haug
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Publication number: 20120016471Abstract: 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: ApplicationFiled: September 22, 2011Publication date: January 19, 2012Applicant: SADRA MEDICAL, INC.Inventors: Amr Salahieh, Brian D. Brandt, Dwight P. Morejohn, Ulrich R. Haug, Jean-Pierre Dueri, Hans F. Valencia, Robert A. Geshlider, Jeff Krolik
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Patent number: 8075614Abstract: 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: GrantFiled: March 9, 2007Date of Patent: December 13, 2011Assignee: Sadra Medical, Inc.Inventors: Amr Salahieh, Ulrich R. Haug, Hans F. Valencia, Robert A. Geshlider, Tom Saul, Dwight P. Morejohn
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Patent number: 8062356Abstract: A method for percutaneously replacing a heart valve of a patient. In some embodiments the method includes the steps of percutaneously delivering a replacement valve and an expandable anchor to a vicinity of the heart valve in an unexpanded configuration; expanding the anchor to a deployed configuration in which the anchor contacts tissue at a first anchor site; repositioning the anchor to a second anchor site; and deploying the anchor at the second anchor site.Type: GrantFiled: November 3, 2008Date of Patent: November 22, 2011Assignee: Sadra Medical, Inc.Inventors: Amr Salahieh, Brian D. Brandt, Dwight P. Morejohn, Ulrich R. Haug, Jean-Pierre Dueri, Hans F. Valencia, Robert A. Geshlider, Jeff Krolik
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Publication number: 20110276129Abstract: 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: ApplicationFiled: June 8, 2011Publication date: November 10, 2011Applicant: SADRA MEDICAL INC.Inventors: Amr Salahieh, Brian D. Brandt, Dwight P. Morejohn, Ulrich R. Haug, Jean-Pierre Dueri, Hans F. Valencia, Robert A. Geshlider
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Patent number: 8048153Abstract: 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: GrantFiled: June 3, 2008Date of Patent: November 1, 2011Assignee: Sadra Medical, Inc.Inventors: Amr Salahieh, Brian D. Brandt, Dwight P. Morejohn, Ulrich R. Haug, Jean-Pierre Dueri, Hans F. Valencia, Robert A. Geshlider, Jeff Krolik
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Publication number: 20110257735Abstract: 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: ApplicationFiled: June 22, 2011Publication date: October 20, 2011Applicant: SADRA MEDICAL, INC.Inventors: Amr Salahieh, Hans F. Valencia, Brian D. Brandt, Claudio Argento, Ulrich R. Haug, Jean-Pierre Dueri, Daniel Hildebrand, Dwight P. Morejohn, Tom Saul
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Patent number: 7988724Abstract: 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: GrantFiled: February 14, 2007Date of Patent: August 2, 2011Assignee: Sadra Medical, Inc.Inventors: Amr Salahieh, Hans F. Valencia, Brian D. Brandt, Claudio Argento, Ulrich R. Haug, Jean-Pierre Dueri, Daniel Hildebrand, Dwight P. Morejohn, Tom Saul
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Publication number: 20110152860Abstract: Tissue treatment systems include an actuator handle assembly coupled with a clamp assembly having a first jaw mechanism and a second jaw mechanism. A first jaw mechanism includes a first flexible boot, a first flexible ablation member coupled with the first flexible boot, and a first rotatable jawbone disposed within the first flexible boot. A second jaw mechanism comprises a second flexible boot, a second flexible ablation member coupled with the second flexible boot, and a second rotatable jawbone disposed within the second flexible boot.Type: ApplicationFiled: December 17, 2010Publication date: June 23, 2011Applicant: ESTECH, Inc. (Endoscopic Technologies, Inc.)Inventors: Dwight P. Morejohn, Tamer Ibrahim, Michael J. Banchieri, Ara M. Stephanian
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Patent number: 7959672Abstract: 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: GrantFiled: August 3, 2004Date of Patent: June 14, 2011Assignee: Sadra MedicalInventors: Amr Salahieh, Brian D. Brandt, Dwight P. Morejohn, Ulrich R. Haug, Jean-Pierre Dueri, Hans F. Valencia, Robert A. Geshlider
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Patent number: 7959666Abstract: 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: GrantFiled: November 5, 2004Date of Patent: June 14, 2011Assignee: Sadra Medical, Inc.Inventors: Amr Salahieh, Jean-Pierre Dueri, Hans F. Valencia, Daniel Hildebrand, Brian D Brandt, Dwight P. Morejohn, Claudio Argento, Tom Saul, Ulrich R. Haug