CA2084524A1 - Detachable pusher-vasoocclusive coil assembly with interlocking coupling - Google Patents

Detachable pusher-vasoocclusive coil assembly with interlocking coupling

Info

Publication number
CA2084524A1
CA2084524A1 CA2084524A CA2084524A CA2084524A1 CA 2084524 A1 CA2084524 A1 CA 2084524A1 CA 2084524 A CA2084524 A CA 2084524A CA 2084524 A CA2084524 A CA 2084524A CA 2084524 A1 CA2084524 A1 CA 2084524A1
Authority
CA
Canada
Prior art keywords
protuberance
pusher
coil
protuberances
radial
Prior art date
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.)
Granted
Application number
CA2084524A
Other languages
French (fr)
Other versions
CA2084524C (en
Inventor
Robert H. Twyford, Jr.
Erik T. Engelson
Hiram Uriel Chee
Michael Mariant
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Target Therapeutics Inc
Original Assignee
Target Therapeutics Inc
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
Application filed by Target Therapeutics Inc filed Critical Target Therapeutics Inc
Publication of CA2084524A1 publication Critical patent/CA2084524A1/en
Application granted granted Critical
Publication of CA2084524C publication Critical patent/CA2084524C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • A61B17/12—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
    • A61B17/12131—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
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0004—Rounded shapes, e.g. with rounded corners
    • A61F2230/0006—Rounded shapes, e.g. with rounded corners circular
    • 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

Abstract

A detachable pusher-vasoocclusive coil assembly (11) for use in occluding a selected site within a vessel, comprising in combination: a vasoocclusive coil (13) having a proximal end; and a pusher (12) having a distal end; characterised in that: a first radial protuberance (16) is carried on the proximal end of the coil solely by means of a proximally extending wire (15); a second radial protuberance (20) is carried on the distal end of the pusher (12) solely by means of a distally extending wire (19); said radial protuberances (16,20) are adapted to be engaged by being axially overlapped and interlocked, with the first protuberance (16) positioned proximally of the second protuberance (20), with the proximally extending wire (15) extending axially past the second protuberance (20) and with the distally extending wire (19) extending axially past the first protuberance (16); and the assembly further comprises means (14,21) carried coaxially about the pusher (12) and coil (13) that is axially movable relative to the coil and pusher from a first position, in which the means radially encloses the engaged protuberances (16,20) to prevent them from substantial radial movement relative to each other to prevent their disengagement, to a second position in which the means does not radially enclose the protuberances and the protuberances are free to disengage. <IMAGE>
CA002084524A 1991-12-12 1992-09-17 Detachable pusher-vasoocclusive coil assembly with interlocking coupling Expired - Fee Related CA2084524C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US80697991A 1991-12-12 1991-12-12
US806,979 1991-12-12

Publications (2)

Publication Number Publication Date
CA2084524A1 true CA2084524A1 (en) 1993-06-13
CA2084524C CA2084524C (en) 1996-07-23

Family

ID=25195278

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002084524A Expired - Fee Related CA2084524C (en) 1991-12-12 1992-09-17 Detachable pusher-vasoocclusive coil assembly with interlocking coupling

Country Status (15)

Country Link
US (1) US5304195A (en)
EP (2) EP0791333B1 (en)
JP (1) JP2602625B2 (en)
KR (1) KR0137691B1 (en)
AT (2) ATE160494T1 (en)
AU (1) AU659221B2 (en)
CA (1) CA2084524C (en)
DE (2) DE69230385T2 (en)
DK (2) DK0617594T3 (en)
IL (1) IL103239A (en)
NO (1) NO942115D0 (en)
NZ (1) NZ244436A (en)
PT (1) PT100910A (en)
TW (1) TW223012B (en)
WO (1) WO1993011719A1 (en)

Families Citing this family (336)

* Cited by examiner, † Cited by third party
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Also Published As

Publication number Publication date
IL103239A (en) 1996-03-31
EP0791333A3 (en) 1997-11-12
US5304195A (en) 1994-04-19
NZ244436A (en) 1997-09-22
EP0791333B1 (en) 1999-12-01
PT100910A (en) 1994-05-31
DE69230385T2 (en) 2000-04-06
KR0137691B1 (en) 1998-04-27
DK0617594T3 (en) 1998-02-02
NO942115L (en) 1994-06-07
TW223012B (en) 1994-05-01
DK0791333T3 (en) 2000-05-01
EP0617594A1 (en) 1994-10-05
DE69223329T2 (en) 1998-03-19
ATE187053T1 (en) 1999-12-15
WO1993011719A1 (en) 1993-06-24
EP0791333A2 (en) 1997-08-27
ATE160494T1 (en) 1997-12-15
NO942115D0 (en) 1994-06-07
EP0617594A4 (en) 1995-01-18
DE69230385D1 (en) 2000-01-05
AU659221B2 (en) 1995-05-11
CA2084524C (en) 1996-07-23
EP0617594B1 (en) 1997-11-26
JPH07503152A (en) 1995-04-06
JP2602625B2 (en) 1997-04-23
DE69223329D1 (en) 1998-01-08
AU2665492A (en) 1993-07-19
IL103239A0 (en) 1993-02-21

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