Patents Assigned to MicroVention, Inc.
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Publication number: 20260137478Abstract: The present disclosure relates to medical devices including occlusion devices, clot retrieval systems, and stents. More particularly, the medical devices described herein measure characteristics for intravascular treatment sites. The medical devices may include pressure sensors and/or length sensors that may be used to determine the effectiveness of the medical devices during or after treatment. These sensors may be particularly helpful when used on an occlusion device or a clot removal device.Type: ApplicationFiled: January 9, 2026Publication date: May 21, 2026Applicant: MicroVention, Inc.Inventors: Hussain Rangwala, Ronak Dholakia, Joseph Rye
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Patent number: 12616820Abstract: A balloon catheter is described having a reinforced, co-axial, duel lumen design. In some embodiments, the balloon catheter includes a purging mechanism designed to purge air from the balloon.Type: GrantFiled: July 11, 2023Date of Patent: May 5, 2026Assignee: MicroVention, Inc.Inventors: Roland Guyon, Nelson Peralta, Raleigh Purtzer
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Patent number: 12605222Abstract: The present disclosure relates to medical devices including occlusion devices, clot retrieval systems, and stents. More particularly, the medical devices described herein measure characteristics for intravascular treatment sites. The medical devices may include pressure sensors and/or length sensors that may be used to determine the effectiveness of the medical devices during or after treatment. These sensors may be particularly helpful when used on an occlusion device or a clot removal device.Type: GrantFiled: February 29, 2024Date of Patent: April 21, 2026Assignee: MicroVention, Inc.Inventors: Hussain Rangwala, Ronak Dholakia, Joseph Rye
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Patent number: 12594086Abstract: An obstruction removal device is described, having one or more engaging members which can engage portions of the clot. The one or more engaging members have a collapsed, delivery state, and an expanded, deployed state.Type: GrantFiled: July 25, 2023Date of Patent: April 7, 2026Assignee: MicroVention, Inc.Inventors: Heath Bowman, Jared Shimizu, Kiet Lam, Jeff Inlow
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Publication number: 20260069438Abstract: Described herein is a braided stent having have a plurality of different segments that can reduce or eliminate foreshortening and allow the proximal end of the stent to more reliably open when deployed in a curved vessel. The segments can be connected together by interlocking loops positioned at the end of each segment and can be formed of one or more radially progressing wave patterns.Type: ApplicationFiled: November 17, 2025Publication date: March 12, 2026Applicant: MicroVention, Inc.Inventors: Hussain Rangwala, Tao Lin, Shameem Golshan
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Patent number: 12558462Abstract: Lubricious coatings for medical devices and their uses are described.Type: GrantFiled: August 15, 2023Date of Patent: February 24, 2026Assignee: MicroVention, Inc.Inventors: Gregory M. Cruise, Steve Plotkin, Emily Hsu
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Patent number: 12551357Abstract: A stent with varying porosity is described. The stent can be comprised of multiple stents attached together. A braided stent may have selected regions of increased thickness. The stent may be comprised of wires that are welded together at their ends in order to minimize vessel trauma. The stent may comprise a helically wound radiopaque wire wound through the stent.Type: GrantFiled: June 5, 2023Date of Patent: February 17, 2026Assignee: MicroVention, Inc.Inventors: Ponaka Pung, Helen Nguyen, Tai D. Tieu
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Patent number: 12539394Abstract: Described herein is a liquid embolic delivery device designed to minimize excess embolic solvent buildup therein. The liquid embolic delivery device generally comprises an outer catheter, an inner catheter that is longitudinally moveable within the outer catheter. The inner catheter is used for an initial embolic solvent flush and to deliver liquid embolic, while the outer catheter is used to remove excess solvent.Type: GrantFiled: May 31, 2023Date of Patent: February 3, 2026Assignee: MICROVENTION, INC.Inventor: Frida San
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Patent number: 12533137Abstract: A medical device is disclosed and may have a spiral shape structure that can function as a stent, such as a flow diversion stent to treat aneurysms. The medical device may have a spiral shape structure that can function as an occlusive device, for instance to occlude aneurysms. The medical device may include a shape setting structure to selectively adjust the shape of the medical device.Type: GrantFiled: February 10, 2023Date of Patent: January 27, 2026Assignee: MicroVention, Inc.Inventors: Hussain S. Rangwala, Ronak Dholakia
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Publication number: 20260020857Abstract: Heart valve replacement often involves complications associated with paravalvular leaks. Vascular plug and occlusive devices, as well as heart valves particularly beneficial in treating the phenomenon of paravalvular leaks are described to address this issue.Type: ApplicationFiled: July 14, 2025Publication date: January 22, 2026Applicant: MicroVention, Inc.Inventors: Anup Dasnurkar, Maricela Walker, Matthew Fitz
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Patent number: 12527577Abstract: Devices, systems, and methods used to seal a treatment area to prevent embolic agents from migrating are described. The concept has particular benefit in allowing liquid embolic to be used with a variety of intravascular therapeutic applications, including for occluding aneurysms and arteriovenous malformations in the neurovasculature.Type: GrantFiled: September 15, 2022Date of Patent: January 20, 2026Assignee: MicroVention, Inc.Inventors: George R. Greene, Jr., Ivan Sepetka, Cathy Lei, Alejandro Berenstein, Monika Killer-Oberpfalzer, Heath Bowman
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Publication number: 20260013884Abstract: A medical device includes a pusher and a clot-engaging device coupled to the pusher. The clot-engaging device includes a plurality of bristles extending from a surface of the clot-engaging device. In one configuration, each bristle of the plurality of bristles includes a first end attached to the surface of the clot-engaging device. In one configuration the material composition of each bristle in the first set of bristles is polymer or polymer-based. In one configuration, at least a portion of a body of each bristle of the plurality of bristles extends linearly in a radial direction from a center of the clot-engaging device. In another configuration, at least one bristle of the plurality of bristles is pointing in a tangential direction away from the surface of the clot-engaging device.Type: ApplicationFiled: July 10, 2025Publication date: January 15, 2026Applicant: MicroVention, Inc.Inventor: Belete Degaga
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Patent number: 12521120Abstract: A device for treatment of a vascular defect within a patient's vasculature includes a self-expanding permeable shell having a proximal end, a distal end, and a longitudinal axis, the shell comprising a plurality of elongate resilient filaments having a braided structure, wherein the filaments are secured at at least one of the proximal end or the distal end of the permeable shell, wherein the permeable shell has a radially constrained elongated state configured for delivery within a microcatheter and has an expanded state with an axially shortened configuration relative to the radially constrained state, the permeable shell having a plurality of openings formed between the braided filaments, wherein the permeable shell in its expanded state comprises a plurality of circumferentially-arrayed lobes.Type: GrantFiled: November 6, 2023Date of Patent: January 13, 2026Assignee: MicroVention, Inc.Inventors: Brian E. Merritt, Todd J. Hewitt
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Patent number: 12514960Abstract: Described are coatings for medical devices and methods of forming same.Type: GrantFiled: December 19, 2023Date of Patent: January 6, 2026Assignee: MicroVention, Inc.Inventors: Gregory M. Cruise, Steve Plotkin, Petr Vasek
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Publication number: 20250387597Abstract: A powered catheter and/or powered catheter system is described. The catheter includes a catheter hub with one set of contact components that are configured to connect to a mating cable with a corresponding second set of contact components. The mating cable can be part of another device, such as a controller or power source.Type: ApplicationFiled: August 28, 2025Publication date: December 25, 2025Applicant: MicroVention, Inc.Inventors: Parker Milhous, Heath Bowman, Kaushik Joshi
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Publication number: 20250375161Abstract: A circuit system includes a user interface, voltage source, and a terminal bank connected to the voltage source. The circuit can be used in a powered catheter system where the catheter includes a structural reinforcement layer such as a braid comprised of one or more wires. The reinforcement layer can be used to convey a current or signal in a powered catheter. The catheter may utilize a hypotube element which provides integrated sensors in order to power and control multiple systems in the powered catheter.Type: ApplicationFiled: April 29, 2025Publication date: December 11, 2025Applicant: MicroVention, Inc.Inventor: Heath Bowman
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Publication number: 20250366857Abstract: An occlusive device comprising a braided component which can be inserted into a blood vessel and a delivery system for delivering said occlusive device is described.Type: ApplicationFiled: August 15, 2025Publication date: December 4, 2025Applicant: MicroVention, Inc.Inventors: Ivan Sepetka, Cathy Lei, Matthew Fitz
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Publication number: 20250367404Abstract: Microcatheters having enlarged distal ends with distally decreasing tapered portions are disclosed. These microcatheters can be used for various treatments within a vessel, such as treatment of a vasospasm and delivery of a liquid embolic material.Type: ApplicationFiled: August 11, 2025Publication date: December 4, 2025Applicant: MicroVention, Inc.Inventors: Mayank Goyal, Joseph Gulachenski
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Publication number: 20250359882Abstract: An obstruction removal device is described. having one or more engaging members which can engage portions of the clot. The one or more engaging members have a collapsed. delivery state, and an expanded. deployed state which in some embodiments can be locked to maintain its fixed configuration.Type: ApplicationFiled: May 12, 2025Publication date: November 27, 2025Applicant: MicroVention, Inc.Inventors: Mayank Goyal, Jared Shimizu, Heath Bowman, Kiet Lam
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Publication number: 20250360294Abstract: A balloon catheter is described with features to reduce balloon stickiness thereby ensuring a more even inflation profile. In some embodiments, a balloon guide catheter is described which includes a conduit or passage for additional catheters or devices.Type: ApplicationFiled: August 12, 2025Publication date: November 27, 2025Applicant: MicroVention, Inc.Inventors: Roland Guyon, Joseph Gulachenski, Binh Nguyen, Russel Corvese