Patents by Inventor Evan Epstein
Evan Epstein 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: 20240008952Abstract: A medical device can include an elongate manipulation member, and a thrombectomy device connected to the elongate manipulation member. The thrombectomy device can have a first configuration and a second configuration, the thrombectomy device being expandable from the first configuration to the second configuration. The thrombectomy device can include an arcuate marker-mounting projection attached to a portion of the thrombectomy device configured to contact a thrombus. A marker can be coupled to, and extending around, the arcuate marker-mounting projection with the marker and the arcuate marker-mounting projection contacting each other at three discrete locations. A method for engaging a thrombus can include advancing a thrombectomy device to a location radially adjacent to a thrombus in a blood vessel.Type: ApplicationFiled: September 26, 2023Publication date: January 11, 2024Inventors: Evan Epstein, Kenneth Brown
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Patent number: 11801116Abstract: A medical device can include an elongate manipulation member, and a thrombectomy device connected to the elongate manipulation member. The thrombectomy device can have a first configuration and a second configuration, the thrombectomy device being expandable from the first configuration to the second configuration. The thrombectomy device can include an arcuate marker-mounting projection attached to a portion of the thrombectomy device configured to contact a thrombus. A marker can be coupled to, and extending around, the arcuate marker-mounting projection with the marker and the arcuate marker-mounting projection contacting each other at three discrete locations. A method for engaging a thrombus can include advancing a thrombectomy device to a location radially adjacent to a thrombus in a blood vessel.Type: GrantFiled: September 3, 2020Date of Patent: October 31, 2023Assignee: COVIDIEN LPInventors: Evan Epstein, Kenneth Brown
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Patent number: 11684379Abstract: Devices for removing clot material from a blood vessel lumen and associated systems and methods are disclosed herein. A clot retrieving device may include, for example, an elongated shaft, a capture structure having a proximal portion and a distal portion, and a cover having a first portion coupled to the elongated shaft and a second portion extending from the first portion. The cover may have an inverted configuration in which the capture structure is at least partially ensheathed within the first portion of the cover and the second portion of the cover extends distally from the first portion. In the inverted configuration, the second portion may have (a) a first region distal to a distal terminus of the capture structure, the first region tapering radially inwardly in a distal direction, and (b) a second region extending distally and radially outwardly from the first region.Type: GrantFiled: June 3, 2020Date of Patent: June 27, 2023Assignee: COVIDIEN LPInventors: Daniel Deen, Erik Skillrud, Evan Epstein
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Patent number: 11654037Abstract: A vascular remodeling device has a plurality of sections, sized for deployment in a blood vessel, that is radially expandable from a collapsed state to an expanded state. Each section has a plurality of interconnected struts that define a waist, a proximal face, and a distal face. Each face comprises (i) a plurality of distal strut portions extending proximally from a distal side of the face, (ii) a plurality of proximal strut portions extending distally from a proximal side of the face, and (iii) a plurality of sub-struts, wherein, from each proximal strut portion, two of the sub-struts each extend to a different one of the distal strut portions.Type: GrantFiled: September 30, 2020Date of Patent: May 23, 2023Assignee: COVIDIEN LPInventors: Masoud Molaei, Evan Epstein, Gabriel Newell, Quang Tran
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Publication number: 20230055766Abstract: Devices and methods for securing a cover of a retrieval device while the retrieval device is resheathed to a more proximal position within a delivery sheath are disclosed herein. A retrieval device may include, for example, a securing element configured to grip the cover when the retrieval device is pulled proximally, to thereby secure the cover. A method of positioning the retrieval device may include, for example: (a) advancing the retrieval device distally through a delivery sheath to a partially deployed state while the securing element is in a first state, and (b) retracting the clot retrieval proximally from the partially deployed state while the securing element is in a second state that grips the cover to secure the cover.Type: ApplicationFiled: October 10, 2022Publication date: February 23, 2023Inventors: Erik Skillrud, Daniel Deen, Evan Epstein
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Patent number: 11497513Abstract: Devices and methods for securing a cover of a retrieval device while the retrieval device is resheathed to a more proximal position within a delivery sheath are disclosed herein. A retrieval device may include, for example, a securing element configured to grip the cover when the retrieval device is pulled proximally, to thereby secure the cover. A method of positioning the retrieval device may include, for example: (a) advancing the retrieval device distally through a delivery sheath to a partially deployed state while the securing element is in a first state, and (b) retracting the clot retrieval proximally from the partially deployed state while the securing element is in a second state that grips the cover to secure the cover.Type: GrantFiled: January 22, 2020Date of Patent: November 15, 2022Assignee: COVIDIEN LPInventors: Erik Skillrud, Daniel Deen, Evan Epstein
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Publication number: 20220142800Abstract: A stent delivery system can include a core member, first and second restraints, and a stent engagement component. The core member can have a distal segment. The first and second restraints can be coupled to the core member distal segment and axially spaced apart from each other to provide an axial gap. The first and second restraints can each have an outer profile that tapers radially inwardly in directions away from the gap. The stent engagement component can be at least partially disposed in the axial gap between the first and second restraints such that the component is slidably and rotatably coupled to the core member distal segment.Type: ApplicationFiled: January 20, 2022Publication date: May 12, 2022Inventors: Kenneth Brown, Ghislain Sema, Michael Losordo, Evan Epstein, Gabriel Newell, Andy Huynh, Lawrence Farhat
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Patent number: 11298145Abstract: Devices for removing clot material from a blood vessel lumen and associated systems and methods are disclosed herein. A clot retrieving device may include, for example, an elongated shaft, a capture structure, a cover, and a connector coupled to the distal zone of elongated shaft. The connector may include an inner band and an outer band. The inner band may at least partially surround the distal zone of the elongated shaft and a portion of the proximal region of the capture structure, and the outer band may at least partially surround the inner band. In some embodiments, the first end portion of the cover may be secured between the inner band and the outer band.Type: GrantFiled: May 12, 2017Date of Patent: April 12, 2022Assignee: COVIDIEN LPInventors: Erik Skillrud, Daniel Deen, Evan Epstein
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Patent number: 11259946Abstract: A stent delivery system can include a core member, first and second restraints, and a stent engagement component. The core member can have a distal segment. The first and second restraints can be coupled to the core member distal segment and axially spaced apart from each other to provide an axial gap. The first and second restraints can each have an outer profile that tapers radially inwardly in directions away from the gap. The stent engagement component can be at least partially disposed in the axial gap between the first and second restraints such that the component is slidably and rotatably coupled to the core member distal segment.Type: GrantFiled: December 3, 2019Date of Patent: March 1, 2022Assignee: COVIDIEN LPInventors: Kenneth Brown, Ghislain Sema, Michael Losordo, Evan Epstein, Gabriel Newell, Andy Huynh, Lawrence Farhat
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Patent number: 11263923Abstract: Vasculature models and associated systems and methods are disclosed herein. In some embodiments, the model comprises a tube including a lumen extending therethrough, a synthetic thrombus including a magnetic component, and a magnetized member. The thrombus is sized to be positioned within the lumen, and the magnetized member is positioned peripheral to the thrombus such that a radially outward force is exerted on the thrombus via the magnetized member. The tube may be part of a network of tubes that generally resemble human neurovasculature.Type: GrantFiled: October 24, 2019Date of Patent: March 1, 2022Assignee: COVIDIEN LPInventors: Tejashri Kumar, Hoai Nguyen, John Wainwright, Evan Epstein, Gaurav Girdhar, Ujwal Jalgaonkar, Eric Mintz
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Patent number: 11191555Abstract: Devices for removing clot material from a blood vessel lumen and associated systems and methods are disclosed herein. A clot retrieving device may include, for example, an elongated shaft, a capture structure, a cover, and a connector coupled to the elongated shaft proximal of the capture structure. The connector may include an inner band and an outer band, wherein (a) the inner band at least partially surrounds a portion of the distal zone of the elongated shaft, (b) the outer band at least partially surrounds the inner band, and (c) the first portion of the cover is secured between the inner band and the outer band.Type: GrantFiled: May 12, 2017Date of Patent: December 7, 2021Assignee: COVIDIEN LPInventors: Erik Skillrud, Daniel Deen, Evan Epstein
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Patent number: 11147563Abstract: A vascular remodeling device is provided. The device has an anchor portion, sized for deployment in a blood vessel, that is radially expandable from a collapsed state to an expanded state. The device also includes a distal portion sized for deployment in a blood vessel. The distal portion is radially expandable from a collapsed state to an expanded state and has a distal face that is sufficiently occlusive in the distal-to-proximal direction to perform a therapeutic blocking function in an aneurysm neck. The device also has an intermediate portion that interconnects a distal end of the anchor portion and a proximal end of the distal portion. In some embodiments, the anchor portion and/or distal portion has a plurality of interconnected struts.Type: GrantFiled: June 7, 2018Date of Patent: October 19, 2021Assignee: COVIDIEN LPInventors: Masoud Molaei, Evan Epstein, Gabriel Newell, Quang Tran
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Patent number: 11129630Abstract: Devices for removing clot material from a blood vessel lumen and associated systems and methods are disclosed herein. A clot retrieving device may include, for example, an elongated member, a cover having proximal, intermediate, and distal portions. The cover may be slideably coupled to the distal region of the elongated member at a connector. The cover may have an inner layer and an outer layer. The inner layer may have (a) a first cross-sectional dimension at the proximal portion of the cover, (b) a distally increasing cross-sectional dimension along the intermediate portion of the cover, and (c) a second cross-sectional dimension at the distal portion of the cover, wherein the second cross-sectional dimension is greater than the first cross-sectional dimension. The outer layer may have a cross-sectional dimension that is generally constant along the distal portion and the intermediate portion of the cover.Type: GrantFiled: May 12, 2017Date of Patent: September 28, 2021Assignee: COVIDIEN LPInventors: Erik Skillrud, Daniel Deen, Evan Epstein, John Wainwright
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Patent number: 11045215Abstract: A medical device can include an elongate manipulation member, and a thrombectomy device connected to the elongate manipulation member. The thrombectomy device can have a first configuration and a second configuration, the thrombectomy device being expandable from the first configuration to the second configuration. The thrombectomy device can include an arcuate marker-mounting projection attached to a portion of the thrombectomy device configured to contact a thrombus. A marker can be coupled to, and extending around, the arcuate marker-mounting projection with the marker and the arcuate marker-mounting projection contacting each other at three discrete locations. A method for engaging a thrombus can include advancing a thrombectomy device to a location radially adjacent to a thrombus in a blood vessel.Type: GrantFiled: March 25, 2019Date of Patent: June 29, 2021Assignee: COVIDIEN LPInventors: Evan Epstein, Kenneth Brown
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Publication number: 20210125525Abstract: Vasculature models and associated systems and methods are disclosed herein. In some embodiments, the model comprises a tube including a lumen extending therethrough, a synthetic thrombus including a magnetic component, and a magnetized member. The thrombus is sized to be positioned within the lumen, and the magnetized member is positioned peripheral to the thrombus such that a radially outward force is exerted on the thrombus via the magnetized member. The tube may be part of a network of tubes that generally resemble human neurovasculature.Type: ApplicationFiled: October 24, 2019Publication date: April 29, 2021Inventors: Tejashri Kumar, Hoai Nguyen, John Wainwright, Evan Epstein, Gaurav Girdhar, Ujwal Jalgaonkar, Eric Mintz
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Publication number: 20210007868Abstract: A vascular remodeling device has a plurality of sections, sized for deployment in a blood vessel, that is radially expandable from a collapsed state to an expanded state. Each section has a plurality of interconnected struts that define a waist, a proximal face, and a distal face. Each face comprises (i) a plurality of distal strut portions extending proximally from a distal side of the face, (ii) a plurality of proximal strut portions extending distally from a proximal side of the face, and (iii) a plurality of sub-struts, wherein, from each proximal strut portion, two of the sub-struts each extend to a different one of the distal strut portions.Type: ApplicationFiled: September 30, 2020Publication date: January 14, 2021Inventors: Masoud Molaei, Evan Epstein, Gabriel Newell, Quang Tran
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Publication number: 20200397555Abstract: A medical device can include an elongate manipulation member, and a thrombectomy device connected to the elongate manipulation member. The thrombectomy device can have a first configuration and a second configuration, the thrombectomy device being expandable from the first configuration to the second configuration. The thrombectomy device can include an arcuate marker-mounting projection attached to a portion of the thrombectomy device configured to contact a thrombus. A marker can be coupled to, and extending around, the arcuate marker-mounting projection with the marker and the arcuate marker-mounting projection contacting each other at three discrete locations. A method for engaging a thrombus can include advancing a thrombectomy device to a location radially adjacent to a thrombus in a blood vessel.Type: ApplicationFiled: September 3, 2020Publication date: December 24, 2020Inventors: Evan Epstein, Kenneth Brown
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Publication number: 20200360033Abstract: Devices for removing clot material from a blood vessel lumen and associated systems and methods are disclosed herein. A clot retrieving device may include, for example, an elongated shaft, a capture structure having a proximal portion and a distal portion, and a cover having a first portion coupled to the elongated shaft and a second portion extending from the first portion. The cover may have an inverted configuration in which the capture structure is at least partially ensheathed within the first portion of the cover and the second portion of the cover extends distally from the first portion. In the inverted configuration, the second portion may have (a) a first region distal to a distal terminus of the capture structure, the first region tapering radially inwardly in a distal direction, and (b) a second region extending distally and radially outwardly from the first region.Type: ApplicationFiled: June 3, 2020Publication date: November 19, 2020Inventors: Daniel Deen, Erik Skillrud, Evan Epstein
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Patent number: 10828182Abstract: A vascular remodeling device has a plurality of sections, sized for deployment in a blood vessel, that is radially expandable from a collapsed state to an expanded state. Each section has a plurality of interconnected struts that define a waist, a proximal face, and a distal face. Each face comprises (i) a plurality of distal strut portions extending proximally from a distal side of the face, (ii) a plurality of proximal strut portions extending distally from a proximal side of the face, and (iii) a plurality of sub-struts, wherein, from each proximal strut portion, two of the sub-struts each extend to a different one of the distal strut portions.Type: GrantFiled: May 15, 2015Date of Patent: November 10, 2020Assignee: COVIDIEN LPInventors: Masoud Molaei, Evan Epstein, Gabriel Newell, Quang Tran
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Patent number: 10799332Abstract: A medical device can include an elongate manipulation member, and a thrombectomy device connected to the elongate manipulation member. The thrombectomy device can have a first configuration and a second configuration, the thrombectomy device being expandable from the first configuration to the second configuration. The thrombectomy device can include an arcuate marker-mounting projection attached to a portion of the thrombectomy device configured to contact a thrombus. A marker can be coupled to, and extending around, the arcuate marker-mounting projection with the marker and the arcuate marker-mounting projection contacting each other at three discrete locations. A method for engaging a thrombus can include advancing a thrombectomy device to a location radially adjacent to a thrombus in a blood vessel.Type: GrantFiled: August 2, 2018Date of Patent: October 13, 2020Assignee: COVIDIEN LPInventors: Evan Epstein, Kenneth Brown