WO2012120490A3 - A clot retrieval device for removing occlusive clot from a blood vessel - Google Patents

A clot retrieval device for removing occlusive clot from a blood vessel Download PDF

Info

Publication number
WO2012120490A3
WO2012120490A3 PCT/IE2012/000011 IE2012000011W WO2012120490A3 WO 2012120490 A3 WO2012120490 A3 WO 2012120490A3 IE 2012000011 W IE2012000011 W IE 2012000011W WO 2012120490 A3 WO2012120490 A3 WO 2012120490A3
Authority
WO
WIPO (PCT)
Prior art keywords
clot
elongate body
shaft
reception space
inner elongate
Prior art date
Application number
PCT/IE2012/000011
Other languages
French (fr)
Other versions
WO2012120490A2 (en
Inventor
Eamon Brady
Michael Gilvarry
Mahmood Razavi
David Vale
Patrick Griffin
Brendan Casey
Jason MCNAMARA
Original Assignee
Neuravi Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to EP21169463.3A priority Critical patent/EP3871617A1/en
Priority to ES12711696T priority patent/ES2871050T3/en
Priority to EP12711696.0A priority patent/EP2683309B1/en
Priority to US13/823,060 priority patent/US9301769B2/en
Application filed by Neuravi Limited filed Critical Neuravi Limited
Publication of WO2012120490A2 publication Critical patent/WO2012120490A2/en
Publication of WO2012120490A3 publication Critical patent/WO2012120490A3/en
Priority to US14/158,390 priority patent/US8852205B2/en
Priority to US14/930,167 priority patent/US10299811B2/en
Priority to US14/986,332 priority patent/US10588649B2/en
Priority to US14/986,323 priority patent/US10292722B2/en
Priority to US14/986,412 priority patent/US9642639B2/en
Priority to US14/986,357 priority patent/US10034680B2/en
Priority to US15/399,453 priority patent/US10743894B2/en
Priority to US15/997,335 priority patent/US10952760B2/en
Priority to US16/385,718 priority patent/US11259824B2/en
Priority to US17/207,011 priority patent/US20210259720A1/en
Priority to US17/528,856 priority patent/US20220071646A1/en
Priority to US18/232,449 priority patent/US20230380851A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/22031—Gripping instruments, e.g. forceps, for removing or smashing calculi
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3205—Excision instruments
    • A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • A61B17/320725—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with radially expandable cutting or abrading elements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/01—Filters implantable into blood vessels
    • A61F2/013—Distal protection devices, i.e. devices placed distally in combination with another endovascular procedure, e.g. angioplasty or stenting
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00526—Methods of manufacturing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831—Material properties
    • A61B2017/00867—Material properties shape memory effect
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/22031—Gripping instruments, e.g. forceps, for removing or smashing calculi
    • A61B2017/22034—Gripping instruments, e.g. forceps, for removing or smashing calculi for gripping the obstruction or the tissue part from inside
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B2017/22094—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for for crossing total occlusions, i.e. piercing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
    • A61B2017/2212—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions having a closed distal end, e.g. a loop
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
    • A61B2017/2215—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions having an open distal end
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/01—Filters implantable into blood vessels
    • A61F2/011—Instruments for their placement or removal
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/01—Filters implantable into blood vessels
    • A61F2002/016—Filters implantable into blood vessels made from wire-like elements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/01—Filters implantable into blood vessels
    • A61F2002/018—Filters implantable into blood vessels made from tubes or sheets of material, e.g. by etching or laser-cutting
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0063—Three-dimensional shapes
    • A61F2230/0069—Three-dimensional shapes cylindrical
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0063—Three-dimensional shapes
    • A61F2230/0073—Quadric-shaped
    • A61F2230/008—Quadric-shaped paraboloidal
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0063—Three-dimensional shapes
    • A61F2230/0091—Three-dimensional shapes helically-coiled or spirally-coiled, i.e. having a 2-D spiral cross-section
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0063—Three-dimensional shapes
    • A61F2230/0093—Umbrella-shaped, e.g. mushroom-shaped

Abstract

A clot retrieval device (9501) for removing occlusive clot from a blood vessel comprises an inner elongate body (9503) and an outer elongate body (9504) at least partially overlying the inner elongate body (9503). The device also comprises an elongate member or shaft (9502) having a proximal end which extends exterior of a patient so that a user can retrieve the stent-basket device and captured clot by retracting the shaft (9502). The outer elongate body (9504) and the inner elongate body (9503) are connected to the distal end of the shaft (9502) and are expandable relative to the shaft (9502) from a collapsed delivery configuration to an expanded deployed configuration. The outer elongate body (9504) is expandable relative to the inner elongate body (9503) to a radial extent which is greater than the radial extent of the inner body (9503) in the deployed configuration. The stent-basket construction of the device creates a reception space (9507) between the inner (9503) and outer (9504) to receive the target clot. The outer body (9504) is configured to allow as much as possible of the clot to migrate through it into the internal reception space (9507). Housing the clot in this reception space rather than pinning it to the wall of the vessel means that the clot is under less compression and can thus be retracted at a lower force. The inner elongate body (9503) and a distal capture net (9505) protect the distal vascular bed from embolisation.
PCT/IE2012/000011 2011-03-09 2012-03-09 A clot retrieval device for removing occlusive clot from a blood vessel WO2012120490A2 (en)

Priority Applications (16)

Application Number Priority Date Filing Date Title
EP21169463.3A EP3871617A1 (en) 2011-03-09 2012-03-09 A clot retrieval device for removing occlusive clot from a blood vessel
ES12711696T ES2871050T3 (en) 2011-03-09 2012-03-09 A clot retrieval device to remove the occlusive clot from a blood vessel
EP12711696.0A EP2683309B1 (en) 2011-03-09 2012-03-09 A clot retrieval device for removing occlusive clot from a blood vessel
US13/823,060 US9301769B2 (en) 2011-03-09 2012-03-09 Clot retrieval device for removing clot from a blood vessel
US14/158,390 US8852205B2 (en) 2011-03-09 2014-01-17 Clot retrieval device for removing occlusive clot from a blood vessel
US14/930,167 US10299811B2 (en) 2011-03-09 2015-11-02 Clot retrieval device for removing clot from a blood vessel
US14/986,357 US10034680B2 (en) 2011-03-09 2015-12-31 Clot retrieval device for removing clot from a blood vessel
US14/986,332 US10588649B2 (en) 2011-03-09 2015-12-31 Clot retrieval device for removing clot from a blood vessel
US14/986,412 US9642639B2 (en) 2011-03-09 2015-12-31 Clot retrieval device for removing clot from a blood vessel
US14/986,323 US10292722B2 (en) 2011-03-09 2015-12-31 Clot retrieval device for removing clot from a blood vessel
US15/399,453 US10743894B2 (en) 2011-03-09 2017-01-05 Clot retrieval device for removing clot from a blood vessel
US15/997,335 US10952760B2 (en) 2011-03-09 2018-06-04 Clot retrieval device for removing a clot from a blood vessel
US16/385,718 US11259824B2 (en) 2011-03-09 2019-04-16 Clot retrieval device for removing occlusive clot from a blood vessel
US17/207,011 US20210259720A1 (en) 2011-03-09 2021-03-19 Clot retrieval device for removing a clot from a blood vessel
US17/528,856 US20220071646A1 (en) 2011-03-09 2021-11-17 Clot retrieval device for removing occlusive clot from a blood vessel
US18/232,449 US20230380851A1 (en) 2011-03-09 2023-08-10 Systems and methods to restore perfusion to a vessel

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201161450810P 2011-03-09 2011-03-09
US61/450,810 2011-03-09
US201161552130P 2011-10-27 2011-10-27
US61/552,130 2011-10-27

Related Child Applications (7)

Application Number Title Priority Date Filing Date
US13/823,060 A-371-Of-International US9301769B2 (en) 2011-03-09 2012-03-09 Clot retrieval device for removing clot from a blood vessel
US14/158,390 Continuation US8852205B2 (en) 2011-03-09 2014-01-17 Clot retrieval device for removing occlusive clot from a blood vessel
US14/930,167 Continuation US10299811B2 (en) 2011-03-09 2015-11-02 Clot retrieval device for removing clot from a blood vessel
US14/986,332 Continuation US10588649B2 (en) 2011-03-09 2015-12-31 Clot retrieval device for removing clot from a blood vessel
US14/986,357 Continuation US10034680B2 (en) 2011-03-09 2015-12-31 Clot retrieval device for removing clot from a blood vessel
US14/986,323 Continuation US10292722B2 (en) 2011-03-09 2015-12-31 Clot retrieval device for removing clot from a blood vessel
US14/986,412 Continuation US9642639B2 (en) 2011-03-09 2015-12-31 Clot retrieval device for removing clot from a blood vessel

Publications (2)

Publication Number Publication Date
WO2012120490A2 WO2012120490A2 (en) 2012-09-13
WO2012120490A3 true WO2012120490A3 (en) 2012-12-13

Family

ID=45926846

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IE2012/000011 WO2012120490A2 (en) 2011-03-09 2012-03-09 A clot retrieval device for removing occlusive clot from a blood vessel

Country Status (4)

Country Link
US (11) US9301769B2 (en)
EP (2) EP3871617A1 (en)
ES (1) ES2871050T3 (en)
WO (1) WO2012120490A2 (en)

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US10952760B2 (en) 2021-03-23
US20140200608A1 (en) 2014-07-17
US10034680B2 (en) 2018-07-31
US20220071646A1 (en) 2022-03-10
US10743894B2 (en) 2020-08-18
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US20210259720A1 (en) 2021-08-26
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US9642639B2 (en) 2017-05-09
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US20160192953A1 (en) 2016-07-07
US20180344338A1 (en) 2018-12-06

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