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1.发明公开公开(公告)号：US20230405272A1
公开(公告)日：2023-12-21
申请号：US18238299
申请日：2023-08-25
Applicant: MIVI Neuroscience, Inc.
Inventor： Matthew F. Ogle , James Alexander , Alexander Halaszyn
CPC classification number: A61M25/0074 , A61M1/84 , A61B17/22 , A61M25/09 , A61M25/10 , A61B2217/005 , A61B17/22032 , A61B2017/2212
Abstract: A suction catheter system is described with a suction nozzle that can extend from a guide catheter of the like. The suction nozzle can be positioned by tracking the suction nozzle through a vessel while moving a proximal portion of the suction extension within the lumen of the guide catheter. A suction lumen extends from the proximal end of the guide catheter through at least part of the guide catheter central lumen and through the suction tip. Desirable suction flow can be established using the guide lumen to facilitate the suction. Also, a delivery catheter is described with an elastic tip that can track closely over a guidewire. The elastic tip of the delivery catheter can be expanded to provide for the delivery of medical devices past the tip.
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2.发明公开公开(公告)号：US20230248377A1
公开(公告)日：2023-08-10
申请号：US17667828
申请日：2022-02-09
Applicant: MIVI Neuroscience, Inc.
Inventor： John Wainwright , Mayra Contreras , Matthew F. Ogle
IPC: A61B17/22
CPC classification number: A61B17/22 , A61B2017/22079 , A61B2017/00292
Abstract: An aspiration thrombectomy system is described with an aspiration catheter assembly having fittings interfaced with conduit and a pump. The aspiration catheter assembly can include a guide catheter and an aspiration catheter. The aspiration catheter can be introduced with a proximal end of a tubular element placed within the guide catheter to form a suction lumen extending through the aspiration catheter and a portion of the guide catheter. A connection section forming an effective seal between the aspiration catheter and the inner wall of the guide catheter can be fixed or extendable through actuation or release of a self-extending structure. The aspiration catheter can be positioned into an artery with a distal opening positioned proximal to a clot. The fittings can include a filter for removing thrombus from the aspiration flow. The fittings and/or the tubing adjacent the pump can include a flow meter for measuring flow to the pump. The fittings can include a pressure sensor for measuring pressure in the fittings. In addition, the aspiration catheter can have one or more pressure sensors integrated into the wall of the catheter with each configured to measure pressure in the interior or exterior of the catheter. The aspiration catheter and/or flow through the catheter can be manipulated based on pressure and flow measurements.
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公开(公告)号：US11707606B2
公开(公告)日：2023-07-25
申请号：US16689589
申请日：2019-11-20
Applicant: MIVI Neuroscience, Inc.
Inventor： James Pokorney , Matthew F. Ogle
CPC classification number: A61M25/09 , A61M25/09033 , A61M25/09041 , A61M25/0136 , A61M25/0147 , A61M2025/09083 , A61M2025/09166
Abstract: Three groups of guidewire embodiments are described with particularly suitable structures for navigating circuitous vessels, especially blood vessels of the brain. Some of the guidewires have a hyperbolic taper that provides desired flexibility. In some embodiments, an integrated guide structure provides for extension in the blood vessel of a corewire to provide for extended reach of the guidewire. In further embodiments, the guidewire has a flexible tip that can be guided directly by the flow in the vessel.
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公开(公告)号：US11642150B2
公开(公告)日：2023-05-09
申请号：US16582719
申请日：2019-09-25
Applicant: MIVI Neuroscience, Inc.
Inventor： Matthew F. Ogle , Lee R. Guterman , Richard C. Mattison
IPC: A61B17/3207 , A61B17/221 , A61F2/01 , A61B17/22 , A61B90/00
CPC classification number: A61B17/320725 , A61B17/221 , A61B2017/2212 , A61B2017/2215 , A61B2017/22035 , A61B2090/0811 , A61F2002/016
Abstract: Components and corresponding systems are described for providing removal of a clot or fragment thereof to address an acute ischemic stroke condition. In particular, a filter design is presented that provides metal elements below a bundle of polymer fibers to provide more mechanical strength while cushioning the vessel wall from direct contact with the metal elements. Designs of stent retrievers are presented with polymer covers or mounted on the exterior of a microcatheter. Corresponding systems are described that can use various combinations of the components, generally in combination with an aspiration catheter. Corresponding procedures are described that can effectively use the various devices and systems.
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公开(公告)号：US11234723B2
公开(公告)日：2022-02-01
申请号：US15848166
申请日：2017-12-20
Applicant: MIVI Neuroscience, Inc.
Inventor： Matthew F. Ogle
IPC: A61B17/22 , A61M25/00 , A61M1/00 , A61M27/00 , A61B17/00 , A61M25/09 , A61M25/10 , A61B17/221 , A61B90/00 , A61B17/3207
Abstract: A suction catheter system is described with a suction extension interfaced with a guide catheter to form a continuous suction lumen extending through a portion of the guide catheter and through the suction extension. The suction extension can be positioned by tracking the suction nozzle through a vessel while moving a proximal portion of the suction extension within the lumen of the guide catheter. The suction extension can comprise a connecting section with a non-circular cross section for interfacing with the inner lumen of an engagement section of the guide catheter. The tubular body of the guide catheter can have a reduced diameter distal section the can be useful to restrain the movement of the suction extension. Proximal fittings attached to the guide catheter can facilitate safe removal of the catheter system from the patient by allowing for the removal of some or all of a tubular extension of the suction extension from the guide catheter behind a hemostatic seal. Pressure sensors connected to the proximal fittings can help to guide the procedures with reduced risk of embolizing thrombus.
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Patent Agency Ranking
公开(公告)号：US11617865B2
公开(公告)日：2023-04-04
申请号：US16751484
申请日：2020-01-24
Applicant: MIVI Neuroscience, Inc.
Inventor： Matthew F. Ogle
Abstract: A suction catheter system is described with a suction extension interfaced with a guide catheter to form a continuous suction lumen extending through a portion of the guide catheter and through the suction extension. The suction extension can be positioned by tracking the suction nozzle through a vessel while moving a proximal portion of the suction extension within the lumen of the guide catheter. The suction extension can comprise a connecting section with a non-circular cross section for interfacing with the inner lumen of an engagement section of the guide catheter. Proximal fittings attached to the guide catheter can facilitate safe removal of the catheter system from the patient by allowing for the removal of some or all of a tubular extension of the suction extension from the guide catheter behind a hemostatic seal. The fittings can include a docking manifold that can dock the connection suction of the suction extension to allow removal of the suction extension from hemostatic isolation and clearing of clots from the suction extension without further fittings such that the cleared suction extension can be efficiently reinserted for additional use.
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公开(公告)号：US20230029243A1
公开(公告)日：2023-01-26
申请号：US17385581
申请日：2021-07-26
Applicant: MIVI Neuroscience, Inc.
Inventor： Matthew F. Ogle
Abstract: An aspiration thrombectomy system is described with an aspiration catheter assembly having fittings interfaced with conduit and a pump. The aspiration catheter assembly can include a guide catheter and an aspiration catheter. The aspiration catheter can be positioned into an artery with a distal opening positioned proximal to a clot. The fittings can include a filter for removing thrombus from the aspiration flow. The fittings can include a flow meter for measuring flow to the pump. The fittings can include a pressure sensor for measuring pressure in the fittings. The aspiration catheter can be manipulated based on pressure and flow measurements. The fittings can include a docking manifold that can dock the connection suction of the suction extension to allow removal of the suction extension from hemostatic isolation and clearing of clots from the suction extension without further fittings such that the cleared suction extension can be efficiently reinserted for additional use.
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公开(公告)号：US20210228844A1
公开(公告)日：2021-07-29
申请号：US16751484
申请日：2020-01-24
Applicant: MIVI Neuroscience, Inc.
Inventor： Matthew F. Ogle
Abstract: A suction catheter system is described with a suction extension interfaced with a guide catheter to form a continuous suction lumen extending through a portion of the guide catheter and through the suction extension. The suction extension can be positioned by tracking the suction nozzle through a vessel while moving a proximal portion of the suction extension within the lumen of the guide catheter. The suction extension can comprise a connecting section with a non-circular cross section for interfacing with the inner lumen of an engagement section of the guide catheter. Proximal fittings attached to the guide catheter can facilitate safe removal of the catheter system from the patient by allowing for the removal of some or all of a tubular extension of the suction extension from the guide catheter behind a hemostatic seal. The fittings can include a docking manifold that can dock the connection suction of the suction extension to allow removal of the suction extension from hemostatic isolation and clearing of clots from the suction extension without further fittings such that the cleared suction extension can be efficiently reinserted for additional use.
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公开(公告)号：US20200029998A1
公开(公告)日：2020-01-30
申请号：US16582719
申请日：2019-09-25
Applicant: MIVI Neuroscience, Inc.
Inventor： Matthew F. Ogle , Lee R. Guterman , Richard C. Mattison
IPC: A61B17/3207 , A61B17/221 , A61F2/01
Abstract: Components and corresponding systems are described for providing removal of a clot or fragment thereof to address an acute ischemic stroke condition. In particular, a filter design is presented that provides metal elements below a bundle of polymer fibers to provide more mechanical strength while cushioning the vessel wall from direct contact with the metal elements. Designs of stent retrievers are presented with polymer covers or mounted on the exterior of a microcatheter. Corresponding systems are described that can use various combinations of the components, generally in combination with an aspiration catheter. Corresponding procedures are described that can effectively use the various devices and systems.
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公开(公告)号：US10463386B2
公开(公告)日：2019-11-05
申请号：US15253202
申请日：2016-08-31
Applicant: MIVI Neuroscience Inc.
Inventor： Matthew F. Ogle , Lee R. Gutterman , Richard C. Mattison
IPC: A61B17/3207 , A61B17/221 , A61F2/01 , A61B17/22 , A61B90/00
Abstract: Components and corresponding systems are described for providing removal of a clot or fragment thereof to address an acute ischemic stroke condition. In particular, a filter design is presented that provides metal elements below a bundle of polymer fibers to provide more mechanical strength while cushioning the vessel wall from direct contact with the metal elements. Designs of stent retrievers are presented with polymer covers or mounted on the exterior of a microcatheter. Corresponding systems are described that can use various combinations of the components, generally in combination with an aspiration catheter. Corresponding procedures are described that can effectively use the various devices and systems.
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