Patents by Inventor Michael Gilvarry

Michael Gilvarry 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: 20240130750
    Abstract: A device including a clot engaging device having a collapsed delivery configuration and an expanded deployment configuration. The device can include a plurality of struts defining a plurality of cells; a seam extending along at least a portion of a length of a distal end of the clot engaging device, wherein the seam comprises a pattern configured for gripping a clot and extends between cells of the plurality of cells; and a distal scaffolding region being distally tapered, wherein the distal scaffolding region comprises cells smaller than cells of a remainder of the clot engaging device.
    Type: Application
    Filed: December 8, 2023
    Publication date: April 25, 2024
    Inventors: Eamon BRADY, Michael GILVARRY, Mahmood K, RAZAVI, David VALE
  • Patent number: 11937835
    Abstract: A clot retrieval device for removing clot from a blood vessel, including a shaft; a plurality of expandable bodies distal of the shaft, each expandable body comprising a plurality of scaffolding segments forming closed cells, wherein at least one of the clot scaffolding segments terminates in a distal apex free from connection to an adjacent closed cell; and a plurality of clot inlet mouths between expandable bodies through which clot may pass and enter the device.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: March 26, 2024
    Assignee: NEURAVI LIMITED
    Inventors: David Vale, Eamon Brady, Michael Gilvarry, Mahmood Razavi, Kevin McArdle, David Hardiman, Brendan Casey
  • Patent number: 11931522
    Abstract: A balloon guide catheter having a sleeved inflation lumen secured with a wire wrap for improved inflation lumen kink protection and a welded balloon construction provides a robust and flexible catheter with an exceptionally large inner lumen relative to its outer profile and enables rapid and reliable balloon inflation and deflation in a highly deliverable and kink resistant catheter. Balloon guide catheters having multiple sleeved inflation lumens and proximal luers for utilizing the multiple inflation lumens are also provided.
    Type: Grant
    Filed: October 14, 2019
    Date of Patent: March 19, 2024
    Assignee: NEURAVI LIMITED
    Inventors: Ronald Kelly, Michael Gilvarry, David Vale, Brendan Casey, Maeve Holian, Denis Foley
  • Publication number: 20240065713
    Abstract: A method and/or use of restoring blood flow in neurovasculature by removing thrombus in a plurality of human patients experiencing ischemic stroke using a revascularization device as either a first-line device or a second-line device.
    Type: Application
    Filed: August 23, 2023
    Publication date: February 29, 2024
    Applicant: Neuravi Limited
    Inventors: Malgorzata Alicja KOKOSZKA, David VALE, Brendan CASEY, Michael GILVARRY, Jacqueline O'GORMAN, Daniel KING, Kevin McARDLE, Brian FAHY
  • Patent number: 11871945
    Abstract: A reperfusion device for an occluded vessel. The device includes a framework of struts that form a porous body comprising a collapsed delivery configuration capable of being stored in a microcatheter and an expanded deployed configuration when delivered to an occlusion and distal of the microcatheter. The framework of struts is constructed from a material visible under fluoroscopy and capable of recovering its shape in the expanded deployed configuration once released from the collapsed delivery configuration in the microcatheter.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: January 16, 2024
    Assignee: NEURAVI LIMITED
    Inventors: Eamon Brady, Brendan Casey, Michael Gilvarry, David Hardiman, Kevin McArdle, Mahmood Razavi, David Vale
  • Patent number: 11871949
    Abstract: A device including a clot engaging device having a collapsed delivery configuration and an expanded deployment configuration. The device can include a plurality of struts defining a plurality of cells; a seam extending along at least a portion of a length of a distal end of the clot engaging device, wherein the seam comprises a pattern configured for gripping a clot and extends between cells of the plurality of cells; and a distal scaffolding region being distally tapered, wherein the distal scaffolding region comprises cells smaller than cells of a remainder of the clot engaging device.
    Type: Grant
    Filed: February 14, 2022
    Date of Patent: January 16, 2024
    Assignee: NEURAVI LIMITED
    Inventors: Eamon Brady, Michael Gilvarry, Mahmood K. Razavi, David Vale
  • Patent number: 11857210
    Abstract: A clot removal device for removing clot from a body vessel includes an expandable structure having a constrained delivery configuration, an expanded clot engaging deployed configuration, and an at least partially constrained clot pinching configuration, the expandable structure including a proximal section comprising a plurality of struts with opening angles; a mid-section distal of the proximal section and comprising a plurality of struts with opening angles and cells larger than cells of the proximal section, the mid-section being configured to expand a larger radial extent in the deployed configuration than the proximal section to provide clot grip and retention during retraction of the clot; wherein the proximal section is configured to pinch the clot from the body vessel when partially resheathed by a microcatheter.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: January 2, 2024
    Assignee: NEURAVI LIMITED
    Inventors: David Vale, Brendan Casey, Michael Gilvarry, Jacqueline O'Gorman, Daniel King, Kevin McArdle, Brian Fahy
  • Patent number: 11839392
    Abstract: A clot retrieval device for removing clot from a blood vessel, including a shaft extending between a proximal end and a distal end; a first expandable body coupled to the distal end of the shaft, the first expandable body comprising a plurality of scaffolding segments forming closed cells, wherein at least one of the clot scaffolding segments terminates in a distal apex free from connection to an adjacent closed cell; a second expandable body distal of the first expandable body and comprising a plurality of scaffolding segments forming closed cells; and at least one clot inlet mouth between the first and second expandable bodies and the distal apex through which clot may pass and enter the device.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: December 12, 2023
    Assignee: Neuravi Limited
    Inventors: Eamon Brady, Brendan Casey, Michael Gilvarry, David Hardiman, Kevin McArdle, Mahmood Razavi, David Vale
  • Publication number: 20230380851
    Abstract: Methods and systems for using a clot retrieval device for treating a clot in a blood vessel for use in the treatment of ischemic stroke to achieve a clinically effective revascularization or perfusion rate for clots comprising a higher ratio of red blood cells to fibrin.
    Type: Application
    Filed: August 10, 2023
    Publication date: November 30, 2023
    Applicant: Neuravi Limited
    Inventors: Eamon BRADY, Brendan CASEY, Michael GILVARRY, David HARDIMAN, Kevin McARDLE, Mahmood K. RAZAVI, David VALE, Patrick GRIFFIN, Jason McNAMARA, Mairsil CLAFFEY
  • Publication number: 20230364319
    Abstract: An aspiration catheter for assisting in the retrieval of a clot from a vessel of a patient including at least one electrode pair and a first pressure sensor positioned within an inner lumen of the aspiration catheter and a second and third pressure sensor positioned on an exterior surface of the aspiration catheter. The electrode pair and pressure sensors are in electrical communication with a control console. The control console is configured to modulate an aspiration vacuum pressure waveform pattern applied through the aspiration catheter based on electrical and pressure inputs from the one or more sensors, and optionally based on a blood pressure waveform pattern of the patient.
    Type: Application
    Filed: May 12, 2022
    Publication date: November 16, 2023
    Applicants: Neuravi Limited, Biosense Webster (Israel) Ltd.
    Inventors: David VALE, Avi SHALGI, Ray McCARTHY, Michael GILVARRY, Brendan CASEY
  • Publication number: 20230320739
    Abstract: A clot retrieval device for removing an occlusive clot from a blood vessel. The device includes a clot engagement section having a constrained delivery configuration and an expanded deployed configuration, wherein in the expanded deployed configuration. The clot engagement section can include a plurality of peak sections configured to vary contact pressure between the clot and the device along a length of the device; and a plurality of troughs between respective peak sections comprising a clot reception space. Each peak is configured to exert a relatively high compressive force on the clot whereas each trough is configured to exert little or no compressive force on the clot.
    Type: Application
    Filed: June 15, 2023
    Publication date: October 12, 2023
    Applicant: Neuravi Limited
    Inventors: David VALE, Brendan CASEY, Michael GILVARRY, Jacqueline O'GORMAN, Kevin MCARDLE
  • Publication number: 20230301673
    Abstract: Method for using a clot retrieval device for treating a clot in a blood vessel for use in the treatment of ischemic stroke to reperfuse an obstructed vessel. The method comprising delivering a revascularization device to a blood vessel of a respective human patient of a first plurality of human patients for retrieving a clot and removing the revascularization device and restoring perfusion to the blood vessel for the first plurality of human patients with one or more clots by passing the revascularization device by, through, or about the clot to achieve a reperfusion outcome greater than approximately 53.5% under a modified Rankin Scale (mRS) score of 0-2 within a predetermined time period.
    Type: Application
    Filed: February 1, 2023
    Publication date: September 28, 2023
    Applicant: Neuravi Limited
    Inventors: Emilie KOTTENMEIER PARK, Patrick BROUWER, Shelly IKEME, Alia KHALED, Mina KABIRI, Mahmood MIRZA, Eamon BRADY, David VALE, Michael GILVARRY, Mahmood K. RAZAVI, John O’SHAUGHNESSY, Brendan CASEY, David HARDIMAN, Kevin McARDLE, Patrick GRIFFIN, Jason McNAMARA
  • Publication number: 20230263999
    Abstract: A method and/or use of restoring blood flow in neurovasculature by removing thrombus in a plurality of human patients experiencing ischemic stroke. A first stent retriever device is passed by, through, or about a cerebral occlusion in a blood vessel of one of the plurality of human patients. Then a revascularization device is passed by, through, or about the cerebral occlusion in the blood vessel of the one of the plurality of human patients to restore perfusion to the blood vessel and achieve at least approximately 88% final revascularization rate for the plurality of human patients under the modified treatment in cerebral infarction score of equal to or greater than a grade of 2b (mTICI?2b).
    Type: Application
    Filed: February 1, 2023
    Publication date: August 24, 2023
    Applicant: Neuravi Limited
    Inventors: David VALE, Brendan CASEY, Michael GILVARRY, Jacqueline O'GORMAN, Daniel KING, Kevin McARDLE, Brian FAHY, Mairsil CLAFFEY, Malgorzata Alicja KOKOSZKA
  • Publication number: 20230248894
    Abstract: An aspiration control device can have an aspiration control valve and a switch, button, slider, trigger, grip, lever, rotating wheel, rotating valve, handle or other interface for resizing the aspiration control valve. The aspiration control interface can be conveniently positioned and configured to be manipulated while simultaneously stabilizing a catheter and/or retracting an elongated member. The aspiration control device can be integrated with a hemostasis valve, integrated with a wire gripping device, and/or attached to an inlet, outlet, hose, pump, or syringe in series with an aspiration flow path.
    Type: Application
    Filed: April 18, 2023
    Publication date: August 10, 2023
    Applicant: Neuravi Limited
    Inventors: Brendan CASEY, David VALE, Michael GILVARRY
  • Patent number: 11712256
    Abstract: A clot retrieval device for removing an occlusive clot from a blood vessel. The device includes a clot engagement section having a constrained delivery configuration and an expanded deployed configuration, wherein in the expanded deployed configuration. The clot engagement section can include a plurality of peak sections configured to vary contact pressure between the clot and the device along a length of the device; and a plurality of troughs between respective peak sections comprising a clot reception space. Each peak is configured to exert a relatively high compressive force on the clot whereas each trough is configured to exert little or no compressive force on the clot.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: August 1, 2023
    Assignee: NEURAVI LIMITED
    Inventors: David Vale, Brendan Casey, Michael Gilvarry, Jacqueline O'Gorman, Kevin McArdle
  • Publication number: 20230147735
    Abstract: A clot capture device for restoring blood flow to a vessel occluded by a clot including a plurality of struts formed by interconnected fibers terminating in a distal end. An open proximal end includes a clot capture space larger than the distal end. The device includes an expanded deployed configuration and a retracted delivery configuration whereby the device is advanceable through a microcatheter across the clot, and the device is configured such that upon deployment the device is deployed distal to the clot and then withdrawn to remove the clot from the vessel.
    Type: Application
    Filed: November 15, 2022
    Publication date: May 11, 2023
    Applicant: Neuravi Limited
    Inventors: Eamon BRADY, David VALE, Michael GILVARRY, Mahmood RAZAVI, John O'SHAUGHNESSY
  • Patent number: 11642145
    Abstract: An endovascular medical system for use with a clot located in a target vessel. The system including a guidewire formed by a core wire. The guidewire extending in a longitudinal direction from a proximal end to an opposite atraumatic clot-circumventing configured distal end; and a lateral direction of the atraumatic clot-circumventing configured distal end of the guidewire being defined transverse to the longitudinal direction of the guidewire. The atraumatic clot-circumventing configured distal end is designed to prevent injury to an inner wall of the target vessel and prohibit insertion of any portion of the guidewire into a perforator vessel.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: May 9, 2023
    Assignee: NEURAVI LIMITED
    Inventors: David Vale, Michael Gilvarry
  • Publication number: 20230123291
    Abstract: A clot retrieval device for removing clot from a blood vessel including a plurality of ring elements comprising a plurality of struts forming one or more closed cells having one or more crown elements and attached together by connecting tethers at connection points, a plurality of openings through which clot may pass and enter the device, each opening being disposed between respective ring elements. Each ring element can be self-expandable from a collapsed configuration to an expanded configuration wherein a radial force biases the ring elements toward the expanded configuration. At least one of the crown element terminates in an apex away from a center axis of the device.
    Type: Application
    Filed: December 1, 2022
    Publication date: April 20, 2023
    Applicant: Neuravi Limited
    Inventors: David VALE, Michael GILVARRY, Eamon BRADY, Mahmood RAZAVI
  • Publication number: 20230053633
    Abstract: A clot retrieval device comprising an elongate shaft having a proximal end and a distal end and a clot retrieval element at the distal end of the elongate shaft. A proximal end of the elongate shaft configured to retract a first catheter over the elongate shaft. The shaft extension member comprising one or more raised profiles configured to interfere with one or more indentations along the elongate shaft such that the shaft extension member is configured to extend between a first length and an intermediate length. A second catheter is advanced to or adjacent to the distal end of the clot retrieval device shaft to enable enhanced aspiration adjacent to the clot retrieval element.
    Type: Application
    Filed: October 18, 2022
    Publication date: February 23, 2023
    Applicant: Neuravi Limited
    Inventors: Michael GILVARRY, David VALE, Brendan CASEY, Kevin McARDLE, Jacqueline O'GORMAN
  • Publication number: 20230036728
    Abstract: Method for using a clot retrieval device for treating a clot in a blood vessel for use in the treatment of ischemic stroke to reperfuse an obstructed vessel. Use of the clot retrieval device reducing in-hospital mortality.
    Type: Application
    Filed: October 12, 2022
    Publication date: February 2, 2023
    Applicant: Neuravi Limited
    Inventors: Rahul KHANNA, Shelly IKEME, Emilie KOTTENMEIER, Alia KHALED, Eamon BRADY, David VALE, Michael GILVARRY, Mahmood K. RAZAVI, John O'Shaughnessy, Brendan CASEY, David HARDIMAN, Kevin McARDLE, Patrick GRIFFIN, Jason McNAMARA