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).
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Publication number: 20240130750Abstract: 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: ApplicationFiled: December 8, 2023Publication date: April 25, 2024Inventors: Eamon BRADY, Michael GILVARRY, Mahmood K, RAZAVI, David VALE
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Patent number: 11937835Abstract: 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: GrantFiled: July 12, 2019Date of Patent: March 26, 2024Assignee: NEURAVI LIMITEDInventors: David Vale, Eamon Brady, Michael Gilvarry, Mahmood Razavi, Kevin McArdle, David Hardiman, Brendan Casey
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Patent number: 11931522Abstract: 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: GrantFiled: October 14, 2019Date of Patent: March 19, 2024Assignee: NEURAVI LIMITEDInventors: Ronald Kelly, Michael Gilvarry, David Vale, Brendan Casey, Maeve Holian, Denis Foley
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Publication number: 20240065713Abstract: 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: ApplicationFiled: August 23, 2023Publication date: February 29, 2024Applicant: Neuravi LimitedInventors: Malgorzata Alicja KOKOSZKA, David VALE, Brendan CASEY, Michael GILVARRY, Jacqueline O'GORMAN, Daniel KING, Kevin McARDLE, Brian FAHY
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Patent number: 11871945Abstract: 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: GrantFiled: April 5, 2019Date of Patent: January 16, 2024Assignee: NEURAVI LIMITEDInventors: Eamon Brady, Brendan Casey, Michael Gilvarry, David Hardiman, Kevin McArdle, Mahmood Razavi, David Vale
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Patent number: 11871949Abstract: 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: GrantFiled: February 14, 2022Date of Patent: January 16, 2024Assignee: NEURAVI LIMITEDInventors: Eamon Brady, Michael Gilvarry, Mahmood K. Razavi, David Vale
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Patent number: 11857210Abstract: 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: GrantFiled: November 1, 2019Date of Patent: January 2, 2024Assignee: NEURAVI LIMITEDInventors: David Vale, Brendan Casey, Michael Gilvarry, Jacqueline O'Gorman, Daniel King, Kevin McArdle, Brian Fahy
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Patent number: 11839392Abstract: 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: GrantFiled: October 22, 2019Date of Patent: December 12, 2023Assignee: Neuravi LimitedInventors: Eamon Brady, Brendan Casey, Michael Gilvarry, David Hardiman, Kevin McArdle, Mahmood Razavi, David Vale
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Publication number: 20230380851Abstract: 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: ApplicationFiled: August 10, 2023Publication date: November 30, 2023Applicant: Neuravi LimitedInventors: Eamon BRADY, Brendan CASEY, Michael GILVARRY, David HARDIMAN, Kevin McARDLE, Mahmood K. RAZAVI, David VALE, Patrick GRIFFIN, Jason McNAMARA, Mairsil CLAFFEY
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Publication number: 20230364319Abstract: 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: ApplicationFiled: May 12, 2022Publication date: November 16, 2023Applicants: Neuravi Limited, Biosense Webster (Israel) Ltd.Inventors: David VALE, Avi SHALGI, Ray McCARTHY, Michael GILVARRY, Brendan CASEY
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Publication number: 20230320739Abstract: 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: ApplicationFiled: June 15, 2023Publication date: October 12, 2023Applicant: Neuravi LimitedInventors: David VALE, Brendan CASEY, Michael GILVARRY, Jacqueline O'GORMAN, Kevin MCARDLE
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Publication number: 20230301673Abstract: 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: ApplicationFiled: February 1, 2023Publication date: September 28, 2023Applicant: Neuravi LimitedInventors: 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
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Publication number: 20230263999Abstract: 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: ApplicationFiled: February 1, 2023Publication date: August 24, 2023Applicant: Neuravi LimitedInventors: David VALE, Brendan CASEY, Michael GILVARRY, Jacqueline O'GORMAN, Daniel KING, Kevin McARDLE, Brian FAHY, Mairsil CLAFFEY, Malgorzata Alicja KOKOSZKA
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Publication number: 20230248894Abstract: 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: ApplicationFiled: April 18, 2023Publication date: August 10, 2023Applicant: Neuravi LimitedInventors: Brendan CASEY, David VALE, Michael GILVARRY
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Patent number: 11712256Abstract: 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: GrantFiled: June 20, 2019Date of Patent: August 1, 2023Assignee: NEURAVI LIMITEDInventors: David Vale, Brendan Casey, Michael Gilvarry, Jacqueline O'Gorman, Kevin McArdle
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Publication number: 20230147735Abstract: 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: ApplicationFiled: November 15, 2022Publication date: May 11, 2023Applicant: Neuravi LimitedInventors: Eamon BRADY, David VALE, Michael GILVARRY, Mahmood RAZAVI, John O'SHAUGHNESSY
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Patent number: 11642145Abstract: 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: GrantFiled: April 24, 2020Date of Patent: May 9, 2023Assignee: NEURAVI LIMITEDInventors: David Vale, Michael Gilvarry
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Publication number: 20230123291Abstract: 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: ApplicationFiled: December 1, 2022Publication date: April 20, 2023Applicant: Neuravi LimitedInventors: David VALE, Michael GILVARRY, Eamon BRADY, Mahmood RAZAVI
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Publication number: 20230053633Abstract: 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: ApplicationFiled: October 18, 2022Publication date: February 23, 2023Applicant: Neuravi LimitedInventors: Michael GILVARRY, David VALE, Brendan CASEY, Kevin McARDLE, Jacqueline O'GORMAN
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Publication number: 20230036728Abstract: 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: ApplicationFiled: October 12, 2022Publication date: February 2, 2023Applicant: Neuravi LimitedInventors: 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