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US5916263A Expired / Lapsed US ⏱️ 0.0 years remaining

Bifurcated endoluminal prosthesis

Assignee: Boston Scientific Scimed Inc
•
Filing: 1996-06-13
•
Granted: 1999-06-29
•
Expires: 2016-06-13
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Abstract

Abstract An introducer for delivering into the vasculature a straight or bifurcated stent or prosthesis; a method for delivering into the vasculature a straight or bifurcated stent or prosthesis; a method of treating and angeological disease using a bifurcated stent; an endoluminal stent having perpendicular hoop members, each hoop member formed of wire in a sinuous configuration, at least some of juxtaposed apices in neighboring hoops being secured to one another, such stents also forming axially aligned segments in straight stents, and segments of bifurcated stents in particular embodiments. Certain embodiments of such stents also include barbs, fabric covering and radiopaque markers.

Inventors

  • 👤 George Goicoechea
  • 👤 John Hudson
  • 👤 Claude Mialhe
  • 👤 Andrew H. Cragg
  • 👤 Michael D. Dake

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 11:22
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/82; A61F2/852; A61F2/02; A61F2/04; A61F2/06; A61F2/07; A61F2/86; A61F2/90; A61F2/95; A61F2/954; A61F2/958; A61F2002/061; A61F2002/065; A61F2002/075; A61F2002/828; A61F2/848; A61F2002/8486; A61F2210/00; A61F2210/0014; A61F2210/0019; A61F2220/00; A61F2220/0008; A61F2220/0016; A61F2220/0025; A61F2220/0033; A61F2220/0066; A61F2220/0075; A61F2230/00; A61F2230/0063; A61F2230/0067; A61F2240/00; A61F2240/001; A61F2250/00; A61F2250/0058; A61F2250/0096; A61F2250/0098; A61M; A61M25/00; A61M25/01; A61M25/06; A61M25/0662; Y; Y10; Y10S; Y10S623/00; Y10S623/902; Y10S623/903; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826

Claims Analysis

Total Claims: 12
Claim 1
Independent Claim 187 words
A method for delivering, into the vasculature at an angeological bifurcation where a blood vessel branches into two branched vessels, an endoluminal prosthesis having a proximal stent portion, and a distal stent portion, said method comprising the steps of: (a) inserting an introducer containing said prosthesis into a body to a predetermined delivery location, said introducer comprising an outer sheath, a proximal stent portion pusher, a distal stent portion pusher, and a balloon catheter having a balloon attached thereto; (b) partially withdrawing said outer sheath of said introducer while maintaining said proximal stent portion pusher in a fixed position until said proximal stent portion of said prosthesis is deployed from said introducer into said blood vessel; (c) further withdrawing said outer sheath and partially withdrawing said proximal stent portion pusher while maintaining said distal stent portion pusher in a fixed position until said distal stent portion of said prosthesis is deployed from said introducer into said blood vessel; (d) inflating said balloon inside said endoluminal prosthesis after said endoluminal prosthesis is deployed in order to model said endoluminal prosthesis; and (e) withdrawing said introducer from the body.
Claim 2
Independent Claim 187 words
A method for delivering, into the vasculature at an angeological bifurcation where a blood vessel branches into two branched vessels, an endoluminal prosthesis having a proximal stent portion, and a distal stent portion, said method comprising the steps of: (a) inserting an introducer containing said prosthesis into a body to a predetermined delivery location, said introducer comprising an outer sheath, a proximal stent portion pusher, a distal stent portion pusher, and a balloon catheter having a balloon attached thereto; (b) partially withdrawing said outer sheath of said introducer while maintaining said proximal stent portion pusher in a fixed position until said proximal stent portion of said prosthesis is deployed from said introducer into said blood vessel; (c) further withdrawing said outer sheath and partially withdrawing said proximal stent portion pusher while maintaining said distal stent portion pusher in a fixed position until said distal stent portion of said prosthesis is deployed from said introducer into said blood vessel; (d) inflating said balloon inside said endoluminal prosthesis after said endoluminal prosthesis is deployed in order to model said endoluminal prosthesis; and (e) withdrawing said introducer from the body.
Claim 3
Independent Claim 178 words
A method for delivering a bifurcated endoluminal stent or prosthesis near an angeological bifurcation of a vessel into a first branched vessel and a second branched vessel, said method comprising the steps of: (a) placing a bifurcated section of said stent or prosthesis in said vessel with a first extension thereof extending at least partially into said first branched vessel and a second extension thereof extending toward said second branched vessel; (b) placing a branch section of said stent or prosthesis in an introducer having an outer sheath and a pusher disposed at least partially within said outer sheath; (c) inserting said introducer containing said branch section into at least a portion of said second branched vessel; and (d) withdrawing said outer sheath while maintaining said pusher in a fixed position until said branch section is deployed from said introducer such that a proximal end of said branch section securely connects to said second extension of said bifurcated section and such that a distal end of said branch section extends at least partially into said second branched vessel.
Claim 4
Independent Claim 178 words
A method for delivering a bifurcated endoluminal stent or prosthesis near an angeological bifurcation of a vessel into a first branched vessel and a second branched vessel, said method comprising the steps of: (a) placing a bifurcated section of said stent or prosthesis in said vessel with a first extension thereof extending at least partially into said first branched vessel and a second extension thereof extending toward said second branched vessel; (b) placing a branch section of said stent or prosthesis in an introducer having an outer sheath and a pusher disposed at least partially within said outer sheath; (c) inserting said introducer containing said branch section into at least a portion of said second branched vessel; and (d) withdrawing said outer sheath while maintaining said pusher in a fixed position until said branch section is deployed from said introducer such that a proximal end of said branch section securely connects to said second extension of said bifurcated section and such that a distal end of said branch section extends at least partially into said second branched vessel.
Claim 5
Independent Claim 179 words
A system for delivering a bifurcated endoluminal stent or prosthesis near an angeological bifurcation of a vessel into a first branched vessel and a second branched vessels said system comprising: a bifurcated section configured to be placed in said vessel with a first extension thereof extending at least partially into said first branched vessel and a second extension thereof extending toward said second branched vessel; an introducer having an outer sheath and a pusher configured to be disposed at least partially within said outer sheath; a branch section configured to be placed in said introducer; said introducer being configured for insertion into at least a portion of said second branched vessel for delivery of said branch section; and wherein withdrawal of said outer sheath while maintaining said pusher in a fixed position deploys said branch section from said introducer such that a proximal end of said branch section securely connects to said second extension of said bifurcated section and such that a distal end of said branch section extends at least partially into said second branched vessel upon deployment.
Claim 6
Independent Claim 179 words
A system for delivering a bifurcated endoluminal stent or prosthesis near an angeological bifurcation of a vessel into a first branched vessel and a second branched vessels said system comprising: a bifurcated section configured to be placed in said vessel with a first extension thereof extending at least partially into said first branched vessel and a second extension thereof extending toward said second branched vessel; an introducer having an outer sheath and a pusher configured to be disposed at least partially within said outer sheath; a branch section configured to be placed in said introducer; said introducer being configured for insertion into at least a portion of said second branched vessel for delivery of said branch section; and wherein withdrawal of said outer sheath while maintaining said pusher in a fixed position deploys said branch section from said introducer such that a proximal end of said branch section securely connects to said second extension of said bifurcated section and such that a distal end of said branch section extends at least partially into said second branched vessel upon deployment.
Claim 7
Dependent Claim 40 words
The system as recited in claim 3, wherein at least one of said second extension of said bifurcated section and said branch section comprises a portion of different radiopacity positioned for aligning said branch section properly with said second extension.
Claim 8
Dependent Claim 38 words
The system as recited in claim 3, wherein each of said second extension of said bifurcated section and said branch section comprises a portion of different radiopacity positioned for aligning said branch section properly with said second extension.
Claim 9
Dependent Claim 38 words
The system as recited in claim 3, wherein at least one of said second extension of said bifurcated section and said branch section comprises a radiopaque marker positioned for aligning said branch section properly with said second extension.
Claim 10
Dependent Claim 62 words
The system as recited in claim 3, wherein said bifurcated section comprises at least two radiographic indicia having different radiopacity from said bifurcated section and the composite radiographic image of said radiographic indicia varies with the rotational orientation of said bifurcated section, wherein the rotational orientation of said bifurcated section is indicated by said radiographic image for optionally adjusting the rotational orientation.
Claim 11
Dependent Claim 46 words
The system as recited in claim 3, wherein said bifurcated section comprises at least one proximal radiographic indicium having different radiopacity from said bifurcated section, wherein said proximal radiographic indicium can be fluoroscopically visualized to ensure the intended position of said bifurcated section in said vessel.
Claim 12
Dependent Claim 44 words
The system as recited in claim 3, wherein said bifurcated section is provided in a cover, wherein said cover containing said bifurcated section can be inserted into said vessel and said cover can be withdrawn until said bifurcated section is deployed from said cover.

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2002-06-28 2002-12-28 2003-06-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2006-06-28 2006-12-28 2007-06-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2010-06-28 2010-12-28 2011-06-29 $7700.00 Window Closed / Lapsed

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