US20050033350A1 - Detachable multidiameter vasoocclusive coil - Google Patents

Detachable multidiameter vasoocclusive coil Download PDF

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Publication number
US20050033350A1
US20050033350A1 US10/931,517 US93151704A US2005033350A1 US 20050033350 A1 US20050033350 A1 US 20050033350A1 US 93151704 A US93151704 A US 93151704A US 2005033350 A1 US2005033350 A1 US 2005033350A1
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United States
Prior art keywords
coil
diameter
distal end
wire
proximal end
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Legal status (The legal status 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 status listed.)
Abandoned
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US10/931,517
Inventor
Christopher Ken
Abhijit Acharya
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Target Therapeutics Inc
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Target Therapeutics Inc
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Priority to US10/931,517 priority Critical patent/US20050033350A1/en
Publication of US20050033350A1 publication Critical patent/US20050033350A1/en
Abandoned legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
    • A61B17/12109—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
    • A61B17/12109—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel
    • A61B17/12113—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel within an aneurysm
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
    • A61B17/1214—Coils or wires
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A61B2017/1205—Introduction devices

Definitions

  • This invention is in the field of vasoocclusion devices. More particularly it relates to a helical vasoocclusion coil one end of which is adapted to be detachably connected to a wire and in which the helix winding at that end has a smaller diameter than the adjacent windings.
  • Vasoocclusion devices are surgical instruments that are placed within vessels, typically via a catheter, to block the vessel or to fill a vascular cavity such as an aneurysm.
  • One type of vasoocclusion device is in the form of a helical wire coil. See U.S. Pat. No. 4,994,069.
  • the coil may be placed at the desired site in several ways. One involves loading the coil into the lumen of a catheter whose distal end is located at the site. The coil is then advanced through the catheter lumen using a pusher and expelled from the distal end of the catheter. Another involves detachably coupling the coil to the distal end of a wire, advancing the assembly to the site using a catheter, and uncoupling the coil from the wire at the site.
  • U.S. Pat. Nos. 5,234,437; 5,250,071; 5,261,916; 5,304,195; 5,312,415; and 5,350,397 describe coils that are detachably coupled to a wire.
  • Detachable coils carry a member on their proximal end that detachably engages or interlocks with a member on the distal end of the wire.
  • a problem experienced with such coils is that the member carried on the coil is oriented tangentially to the helical diameter of the coil. As such, when the coil is decoupled, the member extends tangentially outwardly from the helix diameter and may engage the vessel wall. (See FIG. 1 of the drawings) Such engagement may injure or even perforate the vessel wall.
  • a principal object of this invention is to provide a detachable helical vasoocclusive coil in which the member that attaches to the wire is not oriented tangentially to the diameter of the coil. Accordingly, the coils of this invention are less likely to injure the vessel wall.
  • One aspect of the invention is a helical vasoocclusion coil for use with a wire having a distal end, said coil having: (a) a proximal end adapted to detachably couple to the distal end of the wire; (b) a distal end; (c) a first diameter intermediate (a) and (b); and (d) a second diameter smaller than said first diameter at said proximal end whereby said proximal end is positioned radially inwardly of said first diameter.
  • Another object of the invention is an assembly for use in occluding a vessel or a cavity within a vessel comprising: a wire having a distal end that carries a first coupling member; and a helical vasoocclusion coil having: (i) a proximal end that carries a second coupling member that is detachably coupled to the first coupling member; (ii) a distal end; (iii) a first diameter intermediate (i) and (ii); and (iv) a second diameter smaller than said first diameter at said proximal end whereby the first coupling member is positioned radially inwardly of said first diameter.
  • FIG. 1 is an elevational view of a prior art coil.
  • FIG. 2 is an elevational end view of one embodiment of the invention.
  • FIG. 3 is an elevational partial side view of the coil of FIG. 2 .
  • FIGS. 2 and 3 depict an embodiment, generally designated 10 , of the invention coil.
  • Embodiment 10 is shown in its relaxed, helical configuration.
  • helical vasoocclusive coils are typically made of materials that have shape memories and can be deformed into an expanded, essentially linear shape for loading and advancement through a catheter to the site to be occluded. Once they are deployed from the catheter they assume a relaxed helical configuration, such as shown in FIG. 3 .
  • Coil 10 is composed of a multiplicity of windings 11 and has a distal end 12 and a proximal end 13 .
  • the windings of coil 10 will typically be made of a metal such as platinum, gold, rhodium, rhenium, palladium, tungsten and the like or alloys of such metals. These metals have significant radiopacity and their alloys may be tailored to provide desired degrees of stiffness and flexibility.
  • the windings may be made of other suitable biocompatible materials such as polymers or composites of metals and polymers.
  • the cross-section of the windings of the coil 10 is circular, windings having other cross-sectional shapes, e.g. elliptical, trapezoidal, rhombic, rectangular, and square, may be used.
  • Circular cross-sectional windings will typically have a diameter of about 0.01 to about 0.50 mm.
  • the diameter of the helix, D ( FIG. 3 ) formed by the windings will normally be in the range of about 0.2 mm to about 30 mm.
  • the diameter of the helix will typically be in the range of 2.0 to 20 mm.
  • the pitch of the windings may be uniform, as shown in FIG. 3 , or may vary over a portion or the entire length of the coil.
  • the axial length of the coil will usually be in the range of 0.5 to 100 cm, more usually 2 to 40 cm.
  • the coil will usually have 10 to 75 windings per cm, more usually 10 to 40 windings per cm. It will be appreciated that the above-described dimensions are not critical and that dimensions that are suitable for occluding vascular sites within the human body are intended.
  • the windings of the main body 14 of the coil form a helix of diameter D, whereas the proximal-most and distal-most windings have a diameter d that is smaller than D.
  • the proximal and distal ends 12 , 13 , respectively, of the coil are located radially inwardly of the helix of main body 14 ( FIG. 2 ) rather than being located tangentially to that helix ( FIG. 1 ). Such positioning of the ends make the ends less likely to injure the vessel wall. As seen in FIGS.
  • the proximal end 13 of the coil has a slotted member 15 that is adapted to detachably couple to a mating member on the distal end of an elongated wire (not shown).
  • Alternative mechanical coupling members are shown in U.S. Pat. Nos. 5,234,437; 5,250,071; 5,261,916; 5,304,195; 5,312,415 and 5,350,397, the disclosures of which with respect thereto are incorporated herein by reference.
  • the coil may have fibers attached to it to facilitate embolization. See U.S. Pat. Nos. 5,304,194; 5,476,472 and 5,382,259, the relevant disclosures of which are incorporated herein by reference. Other modifications of the above described modes for carrying out the invention that are considered obvious or equivalent by those of skill in the medical device art and related arts are intended to be within the scope of the following claims.

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Reproductive Health (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Neurosurgery (AREA)
  • Surgical Instruments (AREA)

Abstract

A vasoocclusive helical coil having a proximal end that carries a coupling member for attaching the coil to the distal end of a wire and a proximal winding that has a smaller diameter than adjacent windings whereby the proximal end of the coil is positioned radially inwardly of the main body of the coil.

Description

    TECHNICAL FIELD
  • This invention is in the field of vasoocclusion devices. More particularly it relates to a helical vasoocclusion coil one end of which is adapted to be detachably connected to a wire and in which the helix winding at that end has a smaller diameter than the adjacent windings.
    • BACKGROUND
  • Vasoocclusion devices are surgical instruments that are placed within vessels, typically via a catheter, to block the vessel or to fill a vascular cavity such as an aneurysm. One type of vasoocclusion device is in the form of a helical wire coil. See U.S. Pat. No. 4,994,069. The coil may be placed at the desired site in several ways. One involves loading the coil into the lumen of a catheter whose distal end is located at the site. The coil is then advanced through the catheter lumen using a pusher and expelled from the distal end of the catheter. Another involves detachably coupling the coil to the distal end of a wire, advancing the assembly to the site using a catheter, and uncoupling the coil from the wire at the site. U.S. Pat. Nos. 5,234,437; 5,250,071; 5,261,916; 5,304,195; 5,312,415; and 5,350,397 describe coils that are detachably coupled to a wire.
  • Detachable coils carry a member on their proximal end that detachably engages or interlocks with a member on the distal end of the wire. A problem experienced with such coils is that the member carried on the coil is oriented tangentially to the helical diameter of the coil. As such, when the coil is decoupled, the member extends tangentially outwardly from the helix diameter and may engage the vessel wall. (See FIG. 1 of the drawings) Such engagement may injure or even perforate the vessel wall.
  • A principal object of this invention is to provide a detachable helical vasoocclusive coil in which the member that attaches to the wire is not oriented tangentially to the diameter of the coil. Accordingly, the coils of this invention are less likely to injure the vessel wall.
    • DISCLOSURE OF THE INVENTION
  • One aspect of the invention is a helical vasoocclusion coil for use with a wire having a distal end, said coil having: (a) a proximal end adapted to detachably couple to the distal end of the wire; (b) a distal end; (c) a first diameter intermediate (a) and (b); and (d) a second diameter smaller than said first diameter at said proximal end whereby said proximal end is positioned radially inwardly of said first diameter.
  • Another object of the invention is an assembly for use in occluding a vessel or a cavity within a vessel comprising: a wire having a distal end that carries a first coupling member; and a helical vasoocclusion coil having: (i) a proximal end that carries a second coupling member that is detachably coupled to the first coupling member; (ii) a distal end; (iii) a first diameter intermediate (i) and (ii); and (iv) a second diameter smaller than said first diameter at said proximal end whereby the first coupling member is positioned radially inwardly of said first diameter.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • In the drawings, which are not to scale:
  • FIG. 1 is an elevational view of a prior art coil.
  • FIG. 2 is an elevational end view of one embodiment of the invention.
  • FIG. 3 is an elevational partial side view of the coil of FIG. 2.
    • MODES FOR CARRYING OUT THE INVENTION
  • FIGS. 2 and 3 depict an embodiment, generally designated 10, of the invention coil. Embodiment 10 is shown in its relaxed, helical configuration. As described in the art discussed in the Background section above, helical vasoocclusive coils are typically made of materials that have shape memories and can be deformed into an expanded, essentially linear shape for loading and advancement through a catheter to the site to be occluded. Once they are deployed from the catheter they assume a relaxed helical configuration, such as shown in FIG. 3.
  • Coil 10 is composed of a multiplicity of windings 11 and has a distal end 12 and a proximal end 13. The windings of coil 10 will typically be made of a metal such as platinum, gold, rhodium, rhenium, palladium, tungsten and the like or alloys of such metals. These metals have significant radiopacity and their alloys may be tailored to provide desired degrees of stiffness and flexibility. The windings may be made of other suitable biocompatible materials such as polymers or composites of metals and polymers.
  • While the cross-section of the windings of the coil 10 is circular, windings having other cross-sectional shapes, e.g. elliptical, trapezoidal, rhombic, rectangular, and square, may be used. Circular cross-sectional windings will typically have a diameter of about 0.01 to about 0.50 mm. Correspondingly, the diameter of the helix, D (FIG. 3), formed by the windings will normally be in the range of about 0.2 mm to about 30 mm. For neurovascular use the diameter of the helix will typically be in the range of 2.0 to 20 mm. The pitch of the windings may be uniform, as shown in FIG. 3, or may vary over a portion or the entire length of the coil. The axial length of the coil will usually be in the range of 0.5 to 100 cm, more usually 2 to 40 cm. The coil will usually have 10 to 75 windings per cm, more usually 10 to 40 windings per cm. It will be appreciated that the above-described dimensions are not critical and that dimensions that are suitable for occluding vascular sites within the human body are intended.
  • As shown in FIG. 3, the windings of the main body 14 of the coil form a helix of diameter D, whereas the proximal-most and distal-most windings have a diameter d that is smaller than D. As a result, the proximal and distal ends 12, 13, respectively, of the coil are located radially inwardly of the helix of main body 14 (FIG. 2) rather than being located tangentially to that helix (FIG. 1). Such positioning of the ends make the ends less likely to injure the vessel wall. As seen in FIGS. 2 and 3, the proximal end 13 of the coil has a slotted member 15 that is adapted to detachably couple to a mating member on the distal end of an elongated wire (not shown). Alternative mechanical coupling members are shown in U.S. Pat. Nos. 5,234,437; 5,250,071; 5,261,916; 5,304,195; 5,312,415 and 5,350,397, the disclosures of which with respect thereto are incorporated herein by reference.
  • While not shown in the drawings, the coil may have fibers attached to it to facilitate embolization. See U.S. Pat. Nos. 5,304,194; 5,476,472 and 5,382,259, the relevant disclosures of which are incorporated herein by reference. Other modifications of the above described modes for carrying out the invention that are considered obvious or equivalent by those of skill in the medical device art and related arts are intended to be within the scope of the following claims.

Claims (5)

1. A helical vasoocclusion coil for use with a wire having a distal end, said coil having:
(a) a proximal end adapted to detachably couple to the distal end of the wire;
(b) a distal end;
(c) a first diameter intermediate (a) and (b); and
(d) a second diameter smaller than said first diameter at said proximal end whereby said proximal end is positioned radially inwardly of said first diameter.
2. The coil of claim 1 wherein the second diameter is also at the distal end of the coil whereby the distal end of the coil is also positioned radially inwardly of said first diameter.
3. The coil of claim 1 wherein said proximal end has a coupling member that detachably interlocks with the distal end of the wire.
4. An assembly for use in occluding a vessel or a cavity within a vessel comprising:
(a) an elongated wire having a distal end that carries a first coupling member; and
(b) a helical vasoocclusion coil having:
(i) a proximal end that carries a second coupling member that is detachably coupled to the first coupling member;
(ii) a distal end;
(iii) a first diameter intermediate (i) and (ii); and
(iv) a second diameter smaller than said first diameter at said proximal end whereby the first coupling member is positioned radially inwardly of said first diameter.
5. The assembly of claim 4 wherein the second diameter is also at the distal end of the coil whereby the distal end of the coil is also positioned radially inwardly of said first diameter.
US10/931,517 1996-10-25 2004-08-31 Detachable multidiameter vasoocclusive coil Abandoned US20050033350A1 (en)

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US08/736,896 US6984240B1 (en) 1996-10-25 1996-10-25 Detachable multidiameter vasoocclusive coil
US10/931,517 US20050033350A1 (en) 1996-10-25 2004-08-31 Detachable multidiameter vasoocclusive coil

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EP (1) EP0934025B1 (en)
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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050043585A1 (en) * 2003-01-03 2005-02-24 Arindam Datta Reticulated elastomeric matrices, their manufacture and use in implantable devices
US20060116714A1 (en) * 2004-11-26 2006-06-01 Ivan Sepetka Coupling and release devices and methods for their assembly and use
US20070083226A1 (en) * 2005-10-12 2007-04-12 Buiser Marcia S Coil assemblies, components and methods
US20080281350A1 (en) * 2006-12-13 2008-11-13 Biomerix Corporation Aneurysm Occlusion Devices
US7763077B2 (en) 2003-12-24 2010-07-27 Biomerix Corporation Repair of spinal annular defects and annulo-nucleoplasty regeneration
US7803395B2 (en) 2003-05-15 2010-09-28 Biomerix Corporation Reticulated elastomeric matrices, their manufacture and use in implantable devices
US20110184530A1 (en) * 2004-05-17 2011-07-28 Biomerix Corporation High performance reticulated elastomeric matrix preparation, properties, reinforcement, and use in surgical devices, tissue augmentation and/or tissue repair
US9358140B1 (en) 2009-11-18 2016-06-07 Aneuclose Llc Stent with outer member to embolize an aneurysm
US9681876B2 (en) 2013-07-31 2017-06-20 EMBA Medical Limited Methods and devices for endovascular embolization
US10010328B2 (en) 2013-07-31 2018-07-03 NeuVT Limited Endovascular occlusion device with hemodynamically enhanced sealing and anchoring
US10028747B2 (en) 2008-05-01 2018-07-24 Aneuclose Llc Coils with a series of proximally-and-distally-connected loops for occluding a cerebral aneurysm
US10716573B2 (en) 2008-05-01 2020-07-21 Aneuclose Janjua aneurysm net with a resilient neck-bridging portion for occluding a cerebral aneurysm

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7029486B2 (en) 2000-09-26 2006-04-18 Microvention, Inc. Microcoil vaso-occlusive device with multi-axis secondary configuration
US7033374B2 (en) * 2000-09-26 2006-04-25 Microvention, Inc. Microcoil vaso-occlusive device with multi-axis secondary configuration
US6605101B1 (en) 2000-09-26 2003-08-12 Microvention, Inc. Microcoil vaso-occlusive device with multi-axis secondary configuration
US6802851B2 (en) * 2001-09-20 2004-10-12 Gordia Neurovascular, Inc. Stent aneurysm embolization method using collapsible member and embolic coils
DE502004010411D1 (en) 2004-09-22 2009-12-31 Dendron Gmbh DEVICE FOR IMPLANTING MICROWAVES
EP1793744B1 (en) 2004-09-22 2008-12-17 Dendron GmbH Medical implant
US20060074409A1 (en) * 2004-10-05 2006-04-06 Scimed Life Systems, Inc. Detachable shaft medical retrieval device and related methods of use
CA2649702C (en) 2006-04-17 2014-12-09 Microtherapeutics, Inc. System and method for mechanically positioning intravascular implants
WO2008112436A2 (en) * 2007-03-13 2008-09-18 Micro Therapeutics, Inc. An implant, a mandrel, and a method of forming an implant
ES2437619T3 (en) 2007-03-13 2014-01-13 Covidien Lp An implant that includes a helical winding and a stretch resistant element
US8361138B2 (en) 2007-07-25 2013-01-29 Aga Medical Corporation Braided occlusion device having repeating expanded volume segments separated by articulation segments
US20090099591A1 (en) 2007-10-15 2009-04-16 Boston Scientific Scimed, Inc. Coil Anchor Systems and Methods of Use
BRPI0819404B8 (en) * 2007-12-11 2021-06-22 Univ Cornell expandable spherical structure, sealing system for openings in the side wall of a blood vessel or other body lumen, endoluminal device and device for positioning in a blood vessel adjacent to an aneurysm
US20100010533A1 (en) * 2008-07-11 2010-01-14 Cook Incorporated Variable strength embolization coil
CN102361602B (en) * 2009-01-22 2017-04-26 康奈尔大学 Method and apparatus for restricting flow through the wall of lumen
EP2693981A4 (en) 2011-04-01 2015-07-01 Univ Cornell Method and apparatus for restricting flow through an opening in the side wall of a body lumen, and/or for reinforcing a weakness in the side wall of a body lumen, while still maintaining substantially normal flow through the body lumen
EP2763601B1 (en) 2011-10-07 2020-03-25 Cornell University Apparatus for restricting flow through an opening in a body lumen while maintaining normal flow
US9579104B2 (en) 2011-11-30 2017-02-28 Covidien Lp Positioning and detaching implants
US9011480B2 (en) 2012-01-20 2015-04-21 Covidien Lp Aneurysm treatment coils
WO2013119332A2 (en) 2012-02-09 2013-08-15 Stout Medical Group, L.P. Embolic device and methods of use
US9687245B2 (en) 2012-03-23 2017-06-27 Covidien Lp Occlusive devices and methods of use
WO2013166475A1 (en) 2012-05-04 2013-11-07 Interventco Llc Device and method for filling of aneurysm or body cavity
US9713475B2 (en) 2014-04-18 2017-07-25 Covidien Lp Embolic medical devices
JP6241969B2 (en) 2014-05-28 2017-12-06 ストライカー ヨーロピアン ホールディングス Ｉ，エルエルシーＳｔｒｙｋｅｒ Ｅｕｒｏｐｅａｎ Ｈｏｌｄｉｎｇｓ Ｉ，Ｌｌｃ Vascular occlusion device and method of use thereof
US9060777B1 (en) 2014-05-28 2015-06-23 Tw Medical Technologies, Llc Vaso-occlusive devices and methods of use
US10159490B2 (en) 2015-05-08 2018-12-25 Stryker European Holdings I, Llc Vaso-occlusive devices
US10307168B2 (en) 2015-08-07 2019-06-04 Terumo Corporation Complex coil and manufacturing techniques
JP2019024587A (en) * 2017-07-25 2019-02-21 千貴 寺嶋 Vascular marker for radiation therapy, staying support device of vascular marker, radiation irradiation control device and radiation irradiation control program
JP6544698B2 (en) * 2017-08-25 2019-07-17 千貴 寺嶋 Vascular marker for radiation treatment, indwelling support device for vascular marker, radiation irradiation control device, and radiation irradiation control program
US11666783B2 (en) 2017-07-25 2023-06-06 Kazuki TERASHIMA Vascular marker for radiotherapy, radiotherapy assistance method, radiation irradiation control device, and vascular marker indwelling assistance device
JP7241095B2 (en) 2018-05-15 2023-03-16 ボストン サイエンティフィック サイムド，インコーポレイテッド Occlusive medical device with charged polymer coating

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5531788A (en) * 1989-10-09 1996-07-02 Foundation Pour L'avenir Pour La Recherche Medicale Appliquee Anti-Pulmonary embolism filter
US5649949A (en) * 1996-03-14 1997-07-22 Target Therapeutics, Inc. Variable cross-section conical vasoocclusive coils

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD158084A1 (en) 1981-05-08 1982-12-29 Joachim Heinke CLOSURE BODY AND METHOD FOR ITS MANUFACTURE
US4994069A (en) 1988-11-02 1991-02-19 Target Therapeutics Vaso-occlusion coil and method
US5851206A (en) 1990-03-13 1998-12-22 The Regents Of The University Of California Method and apparatus for endovascular thermal thrombosis and thermal cancer treatment
DE4104702C2 (en) 1991-02-15 1996-01-18 Malte Neuss Implants for organ pathways in spiral form
US5413586A (en) 1991-03-14 1995-05-09 Ethnor Anti-pulmonary embolism filter and corresponding presentation and fitting kit
US5217484A (en) 1991-06-07 1993-06-08 Marks Michael P Retractable-wire catheter device and method
US5304194A (en) 1991-10-02 1994-04-19 Target Therapeutics Vasoocclusion coil with attached fibrous element(s)
US5234437A (en) 1991-12-12 1993-08-10 Target Therapeutics, Inc. Detachable pusher-vasoocclusion coil assembly with threaded coupling
JP2602625B2 (en) 1991-12-12 1997-04-23 ターゲット セラピューティクス，インコーポレイテッド Removable pusher with occlusal connection-vaso-occlusive coil assembly
US5261916A (en) 1991-12-12 1993-11-16 Target Therapeutics Detachable pusher-vasoocclusive coil assembly with interlocking ball and keyway coupling
US5527338A (en) 1992-09-02 1996-06-18 Board Of Regents, The University Of Texas System Intravascular device
US5312415A (en) 1992-09-22 1994-05-17 Target Therapeutics, Inc. Assembly for placement of embolic coils using frictional placement
US5250071A (en) 1992-09-22 1993-10-05 Target Therapeutics, Inc. Detachable embolic coil assembly using interlocking clasps and method of use
US5350397A (en) 1992-11-13 1994-09-27 Target Therapeutics, Inc. Axially detachable embolic coil assembly
US5382259A (en) 1992-10-26 1995-01-17 Target Therapeutics, Inc. Vasoocclusion coil with attached tubular woven or braided fibrous covering
US5382260A (en) 1992-10-30 1995-01-17 Interventional Therapeutics Corp. Embolization device and apparatus including an introducer cartridge and method for delivering the same
NO961280L (en) 1995-03-30 1996-10-01 Target Therapeutics Inc Liquid coils of secondary form
US5639277A (en) * 1995-04-28 1997-06-17 Target Therapeutics, Inc. Embolic coils with offset helical and twisted helical shapes
NO962336L (en) 1995-06-06 1996-12-09 Target Therapeutics Inc Vaso-occlusive spiral
US5895398A (en) * 1996-02-02 1999-04-20 The Regents Of The University Of California Method of using a clot capture coil
US6190402B1 (en) 1996-06-21 2001-02-20 Musc Foundation For Research Development Insitu formable and self-forming intravascular flow modifier (IFM) and IFM assembly for deployment of same
GB9614950D0 (en) 1996-07-16 1996-09-04 Anson Medical Ltd A ductus stent and delivery catheter
JP3784112B2 (en) 1996-08-15 2006-06-07 株式会社カネカメディックス Coiled embolic material
US5980154A (en) * 1998-03-09 1999-11-09 Record; Darren D. Manual screeding system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5531788A (en) * 1989-10-09 1996-07-02 Foundation Pour L'avenir Pour La Recherche Medicale Appliquee Anti-Pulmonary embolism filter
US5649949A (en) * 1996-03-14 1997-07-22 Target Therapeutics, Inc. Variable cross-section conical vasoocclusive coils

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050043585A1 (en) * 2003-01-03 2005-02-24 Arindam Datta Reticulated elastomeric matrices, their manufacture and use in implantable devices
US7803395B2 (en) 2003-05-15 2010-09-28 Biomerix Corporation Reticulated elastomeric matrices, their manufacture and use in implantable devices
US7763077B2 (en) 2003-12-24 2010-07-27 Biomerix Corporation Repair of spinal annular defects and annulo-nucleoplasty regeneration
US20110184530A1 (en) * 2004-05-17 2011-07-28 Biomerix Corporation High performance reticulated elastomeric matrix preparation, properties, reinforcement, and use in surgical devices, tissue augmentation and/or tissue repair
US20060116714A1 (en) * 2004-11-26 2006-06-01 Ivan Sepetka Coupling and release devices and methods for their assembly and use
US20070083226A1 (en) * 2005-10-12 2007-04-12 Buiser Marcia S Coil assemblies, components and methods
US8007509B2 (en) * 2005-10-12 2011-08-30 Boston Scientific Scimed, Inc. Coil assemblies, components and methods
US20080281350A1 (en) * 2006-12-13 2008-11-13 Biomerix Corporation Aneurysm Occlusion Devices
US10028747B2 (en) 2008-05-01 2018-07-24 Aneuclose Llc Coils with a series of proximally-and-distally-connected loops for occluding a cerebral aneurysm
US10716573B2 (en) 2008-05-01 2020-07-21 Aneuclose Janjua aneurysm net with a resilient neck-bridging portion for occluding a cerebral aneurysm
US9358140B1 (en) 2009-11-18 2016-06-07 Aneuclose Llc Stent with outer member to embolize an aneurysm
US9681876B2 (en) 2013-07-31 2017-06-20 EMBA Medical Limited Methods and devices for endovascular embolization
US9848883B2 (en) 2013-07-31 2017-12-26 EMBA Medical Limited Methods and devices for endovascular embolization
US10010328B2 (en) 2013-07-31 2018-07-03 NeuVT Limited Endovascular occlusion device with hemodynamically enhanced sealing and anchoring
US10178995B2 (en) 2013-07-31 2019-01-15 NeuVT Limited Methods and devices for endovascular embolization
US11517320B2 (en) 2013-07-31 2022-12-06 Embolic Acceleration, Llc Endovascular occlusion device with hemodynamically enhanced sealing and anchoring

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JP2001502221A (en) 2001-02-20
DE69729572D1 (en) 2004-07-22
US6984240B1 (en) 2006-01-10
EP0934025B1 (en) 2004-06-16
EP0934025A1 (en) 1999-08-11
WO1998017183A1 (en) 1998-04-30
DE69729572T2 (en) 2005-06-09
AU5002597A (en) 1998-05-15

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