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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Publication number: 20200000511Abstract: 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: July 17, 2019Publication date: January 2, 2020Applicant: AtriCure, Inc.Inventors: Dwight P. MOREJOHN, Tamer IBRAHIM, Michael J. BANCHIERI, Ara STEPHANIAN
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Publication number: 20200000590Abstract: 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: August 13, 2019Publication date: January 2, 2020Applicant: 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
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Patent number: 10478289Abstract: 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 14, 2017Date of Patent: November 19, 2019Assignee: 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
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Publication number: 20190343503Abstract: Organ manipulation devices for atraumatically grasping the surface of an organ and repositioning the organ to allow access to a location on the organ that would otherwise be substantially inaccessible. Methods of accessing a beating heart, retracting the heart using an organ manipulation apparatus, and stabilizing a surgical target area with a stabilizer. Both the organ manipulator and stabilizer are fixed to a stationary object which may be a sternal retractor. A system for performing beating heart coronary artery bypass grafting includes a sternal retractor, organ manipulator and stabilizer.Type: ApplicationFiled: July 24, 2019Publication date: November 14, 2019Applicant: MAQUET CARDIOVASCULAR LLCInventors: Harry Leonard GREEN, II, Jon M. TANAKA, Edward A. PINEDA, Dwight P. MOREJOHN, Robert MOSLEY, Joshua WALLIN, Iris Leon CORBIN
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Patent number: 10426608Abstract: 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: GrantFiled: March 6, 2017Date of Patent: October 1, 2019Assignee: 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
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Patent number: 10413412Abstract: 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: March 21, 2018Date of Patent: September 17, 2019Assignee: 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
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Patent number: 10413409Abstract: 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: December 30, 2016Date of Patent: September 17, 2019Assignee: 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
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Patent number: 10398495Abstract: 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: GrantFiled: September 20, 2016Date of Patent: September 3, 2019Assignee: AtriCure, Inc.Inventors: Dwight P. Morejohn, Tamer Ibrahim, Michael J. Banchieri, Ara Stephanian
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Patent number: 10383612Abstract: Organ manipulation devices for atraumatically grasping the surface of an organ and repositioning the organ to allow access to a location on the organ that would otherwise be substantially inaccessible. Methods of accessing a beating heart, retracting the heart using an organ manipulation apparatus, and stabilizing a surgical target area with a stabilizer. Both the organ manipulator and stabilizer are fixed to a stationary object which may be a sternal retractor. A system for performing beating heart coronary artery bypass grafting includes a sternal retractor, organ manipulator and stabilizer.Type: GrantFiled: July 27, 2016Date of Patent: August 20, 2019Assignee: MAQUET CARDIOVASCULAR LLCInventors: Harry Leonard Green, II, Jon M. Tanaka, Edward A. Pineda, Dwight P. Morejohn, Robert Mosley, Joshua Wallin, Iris Leon Corbin
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Publication number: 20190247113Abstract: 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: February 26, 2019Publication date: August 15, 2019Applicant: AtriCure, Inc.Inventors: Tamer IBRAHIM, Dwight P. MOREJOHN, Michael J. BANCHIERI, Ara STEPHANIAN, John D. PAVLIDIS, David K. SWANSON
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Patent number: 10357359Abstract: 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: December 15, 2016Date of Patent: July 23, 2019Assignee: BOSTON SCIENTIFIC SCIMED INCInventors: Ulrich R. Haug, Hans F. Valencia, Robert A. Geshlider, Tom Saul, Amr Salahieh, Dwight P. Morejohn
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Patent number: 10335273Abstract: 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: GrantFiled: January 8, 2018Date of Patent: July 2, 2019Assignee: BOSTON SCIENTIFIC SCIMED INC.Inventors: Amr Salahieh, Brian D. Brandt, Robert A. Geshlider, Dwight P. Morejohn, Tom Saul
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Publication number: 20190150966Abstract: Systems and methods for placing a treatment device within a patient involve advancing a magnetic first introducer into the patient, advancing a magnetic second introducer into the patient, coupling the first introducer with the second introducer via magnetic force, and using the introducer devices to place a treatment device at a desired location within the patient. Optionally, such techniques involve visualization of the introducers or treatment devices during the procedure.Type: ApplicationFiled: October 24, 2018Publication date: May 23, 2019Applicant: AtriCure, Inc.Inventors: Tamer IBRAHIM, Michael J. BANCHIERI, Dwight P. MOREJOHN
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Publication number: 20190125400Abstract: Exemplary scope systems and methods involve a cannula assembly, a sheath assembly, and a tubing set. A cannula assembly, which may be a non-magnetic scope cap assembly, can include a cannula body, a proximal housing having a strap, an optical window, and a luer for suction or flushing. A cannula body may include a first lumen or scope channel for receiving a visualization device such as an endoscope or laparoscope, a distal end having suction or flushing flush apertures, and a second lumen for providing fluid communication between the apertures and the luer. Exemplary magnetic introducer systems and methods involve a cannula assembly, a sheath assembly, a tubing set. In some cases, the cannula assembly of a magnetic introducer system can be a magnetic scope cap assembly. In addition to cannula and sheath assemblies, magnetic introducer systems can include a magnetic introducer tubing assembly and a stylet assembly.Type: ApplicationFiled: October 29, 2018Publication date: May 2, 2019Applicant: AtriCure, Inc.Inventors: Tamer IBRAHIM, Michael J. BANCHIERI, Tony WONG, Dwight P. MOREJOHN
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Publication number: 20190117229Abstract: Embodiments of the present invention encompass systems and methods to prevent complications from atrial fibrillation by preventing or reducing the likelihood of blood flow out of the left atrial appendage, to eliminate a possible source of aberrant electrical circuits, or both. Accordingly, techniques are provided for delivering ligature loops or closure means to the left atrial appendage, and to other anatomical structures of a patient which may be desirable in other surgical procedures.Type: ApplicationFiled: October 29, 2018Publication date: April 25, 2019Applicant: AtriCure, Inc.Inventors: Tamer IBRAHIM, Dwight P. MOREJOHN
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Patent number: 10251699Abstract: 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: GrantFiled: October 25, 2016Date of Patent: April 9, 2019Assignee: AtriCure, Inc.Inventors: Tamer Ibrahim, Dwight P. Morejohn, Michael J. Banchieri, Ara Stephanian, John D. Pavlidis, David K. Swanson
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Patent number: 10206774Abstract: 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: January 26, 2016Date of Patent: February 19, 2019Assignee: 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
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Patent number: 10143475Abstract: Embodiments of the present invention encompass systems and methods to prevent complications from atrial fibrillation by preventing or reducing the likelihood of blood flow out of the left atrial appendage, to eliminate a possible source of aberrant electrical circuits, or both. Accordingly, techniques are provided for delivering ligature loops or closure means to the left atrial appendage, and to other anatomical structures of a patient which may be desirable in other surgical procedures.Type: GrantFiled: January 9, 2015Date of Patent: December 4, 2018Assignee: AtriCure, Inc.Inventors: Tamer Ibrahim, Dwight P. Morejohn
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Patent number: 10136909Abstract: Systems and methods for placing a treatment device within a patient involve advancing a magnetic first introducer into the patient, advancing a magnetic second introducer into the patient, coupling the first introducer with the second introducer via magnetic force, and using the introducer devices to place a treatment device at a desired location within the patient. Optionally, such techniques involve visualization of the introducers or treatment devices during the procedure.Type: GrantFiled: December 19, 2008Date of Patent: November 27, 2018Assignee: AtriCure, Inc.Inventors: Tamer Ibrahim, Michael J. Banchieri, Dwight P. Morejohn
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Patent number: 10123821Abstract: Exemplary scope systems and methods involve a cannula assembly, a sheath assembly, and a tubing set. A cannula assembly, which may be a non-magnetic scope cap assembly, can include a cannula body, a proximal housing having a strap, an optical window, and a luer for suction or flushing. A cannula body may include a first lumen or scope channel for receiving a visualization device such as an endoscope or laparoscope, a distal end having suction or flushing flush apertures, and a second lumen for providing fluid communication between the apertures and the luer. Exemplary magnetic introducer systems and methods involve a cannula assembly, a sheath assembly, a tubing set. In some cases, the cannula assembly of a magnetic introducer system can be a magnetic scope cap assembly. In addition to cannula and sheath assemblies, magnetic introducer systems can include a magnetic introducer tubing assembly and a stylet assembly.Type: GrantFiled: September 10, 2010Date of Patent: November 13, 2018Assignee: AtriCure, Inc.Inventors: Tamer Ibrahim, Michael J. Banchieri, Tony Wong, Dwight P. Morejohn