Patent US2942077A successfully refreshed from Google Patents.
← Back to Patent Explorer
US5968069A Expired / Lapsed US ⏱️ 0.0 years remaining

Stent delivery system having stent securement apparatus

Assignee: Boston Scientific Scimed Inc
•
Filing: 1997-08-22
•
Granted: 1999-10-19
•
Expires: 2017-08-22
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A system/assembly for delivery and deployment of an inflation expandable stent within a vessel, comprising a catheter having proximal and distal ends; a stent, inflation expandable from a delivery diameter to a deployment diameter, such that the delivery diameter is reduced from the deployment diameter for conforming the stent to the catheter, such that the stent, in its delivery diameter, is coaxially mounted on the catheter near the catheter distal end; an expandable inflation means coaxially mounted on the catheter axially within the stent, for expansion of the stent from the delivery diameter to the deployment diameter upon application of fluid deployment pressure to the inflation means; and a securement component coaxially mounted on the catheter, axially within the expandable inflation means, the securement component designed and adapted to provide a securement pressure to the stent in the delivery diameter to maintain the stent in position on the catheter during delivery to the deployment site.

Inventors

  • 👤 Andrew J. Dusbabek
  • 👤 Louis G. Ellis
  • 👤 Christopher R. Larson
  • 👤 Terry V. Brown
  • 👤 Charles L. Euteneuer
  • 👤 Steven P. Mertens
  • 👤 Richard C. Mattison
  • 👤 David J. Blaeser
  • 👤 Linda R. Lorentzen Cornelius
  • 👤 Martin R. Willard
  • 👤 Fernando Di Caprio
  • 👤 Stanley A. Nordin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 04:19
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/95; A61F2/958; A61F2/9522; A61M; A61M25/00; A61M25/10; A61M25/1011; A61M25/1018; A61M25/10181; A61M25/10182; A61M25/10184; A61M25/104; A61F2002/9583; A61F2002/9586; A61M2025/1013; A61M2025/1043; A61M2025/1063; A61M2025/1079; A61M2025/1081; A61M2025/1093; A61M25/10185; A61M25/10186

Claims Analysis

Total Claims: 25
Claim 1
Independent Claim 297 words
A system/assembly for delivery and deployment of an inflation expandable stent within a vessel, comprising: a catheter having proximal and distal ends; a stent, inflation expandable from a delivery diameter to a deployment diameter, such that the delivery diameter is reduced from the deployment diameter for conforming the stent to the catheter, such that the stent, in its delivery diameter, is coaxially mounted on the catheter near the catheter distal end; an expandable inflation means coaxially mounted on the catheter within the stent, for expansion of the stent from the delivery diameter to the deployment diameter upon application of fluid deployment pressure to the expandable inflation means; and a mounting and retaining means coaxially mounted on the catheter within the expandable inflation means, the mounting and retaining means designed and adapted to provide a securement pressure to the stent in the delivery diameter to maintain the stent in position on the catheter during delivery to the deployment site, the catheter having a shaft and the expandable inflation means being positioned at a distal part of the shaft, the mounting and retaining means being positioned for receiving the stent on the expandable inflation means for radial expansion of the stent upon expansion of the expandable inflation means, the mounting and retaining means including at least one enlarged mounting body carried on the shaft inside the expandable inflation means whereby the diameter of the shaft and expandable inflation means are increased at the distal part for facilitating the mounting and retaining of the stent, and further including a first sleeve at the distal end of the catheter, having a first end gripped to the catheter and a second end overlying an first end portion of the stent, the sleeve releasing the stent upon expansion of the expandable inflation means.
Claim 2
Independent Claim 297 words
A system/assembly for delivery and deployment of an inflation expandable stent within a vessel, comprising: a catheter having proximal and distal ends; a stent, inflation expandable from a delivery diameter to a deployment diameter, such that the delivery diameter is reduced from the deployment diameter for conforming the stent to the catheter, such that the stent, in its delivery diameter, is coaxially mounted on the catheter near the catheter distal end; an expandable inflation means coaxially mounted on the catheter within the stent, for expansion of the stent from the delivery diameter to the deployment diameter upon application of fluid deployment pressure to the expandable inflation means; and a mounting and retaining means coaxially mounted on the catheter within the expandable inflation means, the mounting and retaining means designed and adapted to provide a securement pressure to the stent in the delivery diameter to maintain the stent in position on the catheter during delivery to the deployment site, the catheter having a shaft and the expandable inflation means being positioned at a distal part of the shaft, the mounting and retaining means being positioned for receiving the stent on the expandable inflation means for radial expansion of the stent upon expansion of the expandable inflation means, the mounting and retaining means including at least one enlarged mounting body carried on the shaft inside the expandable inflation means whereby the diameter of the shaft and expandable inflation means are increased at the distal part for facilitating the mounting and retaining of the stent, and further including a first sleeve at the distal end of the catheter, having a first end gripped to the catheter and a second end overlying an first end portion of the stent, the sleeve releasing the stent upon expansion of the expandable inflation means.
Claim 3
Dependent Claim 15 words
The system of claim 1, wherein at least two spaced enlarged mounting bodies are included.
Claim 4
Dependent Claim 15 words
The system of claim 1 wherein at least three spaced enlarged mounting bodies are included.
Claim 5
Dependent Claim 14 words
The system of claim 1 wherein at least four spaced mounting bodies are included.
Claim 6
Dependent Claim 49 words
The system of claim 1, further comprising a second sleeve at the distal end of the catheter, having a first end gripped to the catheter and a second end overlying a second end portion of the stent, the sleeves releasing the stent upon expansion of the expandable inflation means.
Claim 7
Dependent Claim 51 words
The stent delivery system of claim 2 further comprising a second sleeve at the distal end of the catheter, having a first end gripped to the catheter and a second end overlying a second end portion of the stent, the sleeves releasing the stent upon expansion of the expandable inflation means.
Claim 8
Dependent Claim 15 words
The stent delivery system of claim 6 wherein the expandable inflation means comprises a balloon.
Claim 9
Independent Claim 321 words
A system/assembly for delivery and deployment of an inflation expandable stent within a vessel, comprising: a catheter having proximal and distal ends; a stent, inflation expandable from a delivery diameter to a deployment diameter, such that the delivery diameter is reduced from the deployment diameter for conforming the stent to the catheter, such that the stent, in its delivery diameter, is coaxially mounted on the catheter near the catheter distal end; an expandable inflation means coaxially mounted on the catheter within the stent, for expansion of the stent from the delivery diameter to the deployment diameter upon application of fluid deployment pressure to the expandable inflation means; and a mounting and retaining means coaxially mounted on the catheter within the expandable inflation means, the mounting and retaining means designed and adapted to provide a securement pressure to the stent in the delivery diameter to maintain the stent in position on the catheter during delivery to the deployment site, the mounting and retaining means comprising at least one mounting body carried by the catheter at the distal end portion, the expandable inflation means comprising an expandable balloon coaxially mounted over the catheter distal end and the mounting body, the balloon being expandable from a contracted to an expanded state, the stent having an end portion overlying the balloon, the assembly further comprising: first and second cups coaxially mounted on the catheter distal end, each cup having a first end portion overlying a stent end portion, respectively, the cups constructed and arranged to retain the stent therebetween on the catheter in the stent reduced condition when the balloon is in the contracted state, the balloon and catheter cooperatively constructed and arranged to cause expansion of the balloon from the contracted to the expanded state to cause expansion of the stent, including the stent end portions, from the reduced to the enlarged condition, and thereby release the stent from abutting the cup end portions.
Claim 10
Independent Claim 321 words
A system/assembly for delivery and deployment of an inflation expandable stent within a vessel, comprising: a catheter having proximal and distal ends; a stent, inflation expandable from a delivery diameter to a deployment diameter, such that the delivery diameter is reduced from the deployment diameter for conforming the stent to the catheter, such that the stent, in its delivery diameter, is coaxially mounted on the catheter near the catheter distal end; an expandable inflation means coaxially mounted on the catheter within the stent, for expansion of the stent from the delivery diameter to the deployment diameter upon application of fluid deployment pressure to the expandable inflation means; and a mounting and retaining means coaxially mounted on the catheter within the expandable inflation means, the mounting and retaining means designed and adapted to provide a securement pressure to the stent in the delivery diameter to maintain the stent in position on the catheter during delivery to the deployment site, the mounting and retaining means comprising at least one mounting body carried by the catheter at the distal end portion, the expandable inflation means comprising an expandable balloon coaxially mounted over the catheter distal end and the mounting body, the balloon being expandable from a contracted to an expanded state, the stent having an end portion overlying the balloon, the assembly further comprising: first and second cups coaxially mounted on the catheter distal end, each cup having a first end portion overlying a stent end portion, respectively, the cups constructed and arranged to retain the stent therebetween on the catheter in the stent reduced condition when the balloon is in the contracted state, the balloon and catheter cooperatively constructed and arranged to cause expansion of the balloon from the contracted to the expanded state to cause expansion of the stent, including the stent end portions, from the reduced to the enlarged condition, and thereby release the stent from abutting the cup end portions.
Claim 11
Dependent Claim 50 words
The system according to claim 3 further including a second sleeve at the distal end of the catheter, having a first end gripped to the catheter and a second end overlying a second end portion of the stent, the sleeves releasing the stent upon expansion of the expandable inflation means.
Claim 12
Dependent Claim 22 words
The stent delivery system of claim 6 wherein the enlarged mounting bodies are of a material which resiliently deforms under radial pressure.
Claim 13
Dependent Claim 12 words
The stent delivery system of claim 10 wherein the material is elastomeric.
Claim 14
Dependent Claim 12 words
The stent delivery system of claim 10 wherein the material comprises polyurethane.
Claim 15
Dependent Claim 20 words
The stent delivery system of claim 6 wherein the stent is crimped to the mounting and retaining means for delivery.
Claim 16
Dependent Claim 20 words
The stent delivery system of claim 6 including marker bands positioned on the shaft proximally and distally of the stent.
Claim 17
Dependent Claim 15 words
The stent delivery system of claim 6 wherein the expandable inflation means comprises a balloon.
Claim 18
Independent Claim 327 words
A system/assembly for delivery and deployment of an inflation expandable stent within a vessel, comprising: a catheter having proximal and distal ends; a stent, inflation expandable from a delivery diameter to a deployment diameter, such that the delivery diameter is reduced from the deployment diameter for conforming the stent to the catheter, such that the stent, in its delivery diameter, is coaxially mounted on the catheter near the catheter distal end; an expandable inflation means coaxially mounted on the catheter within the stent, for expansion of the stent from the delivery diameter to the deployment diameter upon application of fluid deployment pressure to the expandable inflation means; and a mounting and retaining means coaxially mounted on the catheter within the expandable inflation means, the mounting and retaining means designed and adapted to provide a securement pressure to the stent in the delivery diameter to maintain the stent in position on the catheter during delivery to the deployment site, the catheter having a shaft and the expandable inflation means being positioned at a distal part of the shaft, the mounting and retaining means being positioned for receiving the stent to be delivered upon expansion of the inflatable means, the mounting and retaining means including at least one ring-shaped body inside the expandable inflation means and carried by the shaft, and the stent crimped to the expandable inflation means and the mounting body such that the stent is carried on the shaft and mounting body until expansion of the stent and expandable inflation means, the system further comprising a first and second sleeve in the distal part of the catheter positioned around the catheter, each having a first end gripped to the catheter and a second end overlying first and second end portions of the stent respectively, the first and second sleeves separately holding the stent before expansion thereof and upon expansion of the expandable inflation means and stent releasing the stent by sliding axially from over the stent.
Claim 19
Independent Claim 327 words
A system/assembly for delivery and deployment of an inflation expandable stent within a vessel, comprising: a catheter having proximal and distal ends; a stent, inflation expandable from a delivery diameter to a deployment diameter, such that the delivery diameter is reduced from the deployment diameter for conforming the stent to the catheter, such that the stent, in its delivery diameter, is coaxially mounted on the catheter near the catheter distal end; an expandable inflation means coaxially mounted on the catheter within the stent, for expansion of the stent from the delivery diameter to the deployment diameter upon application of fluid deployment pressure to the expandable inflation means; and a mounting and retaining means coaxially mounted on the catheter within the expandable inflation means, the mounting and retaining means designed and adapted to provide a securement pressure to the stent in the delivery diameter to maintain the stent in position on the catheter during delivery to the deployment site, the catheter having a shaft and the expandable inflation means being positioned at a distal part of the shaft, the mounting and retaining means being positioned for receiving the stent to be delivered upon expansion of the inflatable means, the mounting and retaining means including at least one ring-shaped body inside the expandable inflation means and carried by the shaft, and the stent crimped to the expandable inflation means and the mounting body such that the stent is carried on the shaft and mounting body until expansion of the stent and expandable inflation means, the system further comprising a first and second sleeve in the distal part of the catheter positioned around the catheter, each having a first end gripped to the catheter and a second end overlying first and second end portions of the stent respectively, the first and second sleeves separately holding the stent before expansion thereof and upon expansion of the expandable inflation means and stent releasing the stent by sliding axially from over the stent.
Claim 20
Dependent Claim 22 words
The stent delivery system of claim 16 wherein the stent is generally tubular in shape and the mounting body is generally ring-shaped.
Claim 21
Dependent Claim 16 words
The stent delivery system of claim 16 wherein at least two spaced mounting bodies are included.
Claim 22
Dependent Claim 16 words
The stent delivery system of claim 16 wherein at least three spaced mounting bodies are included.
Claim 23
Dependent Claim 16 words
The stent delivery system of claim 16 wherein at least four spaced mounting bodies are included.
Claim 24
Independent Claim 308 words
A system/assembly for delivery and deployment of an inflation expandable stent within a vessel, comprising: a catheter having proximal and distal ends; a stent, inflation expandable from a delivery diameter to a deployment diameter, such that the delivery diameter is reduced from the deployment diameter for conforming the stent to the catheter, such that the stent in its delivery diameter, is coaxially mounted on the catheter near the catheter distal end; an expandable inflation means coaxially mounted on the catheter within the stent, for expansion of the stent from the delivery diameter to the deployment diameter upon application of fluid deployment pressure to the expandable inflation means; and a mounting and retaining means coaxially mounted on the catheter within the expandable inflation means, the mounting and retaining means designed and adapted to provide a securement pressure to the stent in the delivery diameter to maintain the stent in position on the catheter during delivery to the deployment site, the catheter comprising a shaft, the expandable inflation means comprising a balloon positioned at a distal portion of the shaft for receiving a stent, and means for inflating the balloon, the mounting and retaining means including at least one ring-like mounting body carried on the shaft inside the balloon whereby the diameter of the shaft is increased inside the balloon to facilitate mounting of a stent to the catheter over the balloon and further including, the system further comprising a first and second sleeve in the distal part of the catheter positioned around the catheter, each having a first end gripped to the catheter and a second end overlying first and second end portions of the stent respectively, the first and second sleeves separately holding the stent before expansion thereof and upon expansion of the expandable inflation means and stent releasing the stent by sliding axially from over the stent.
Claim 25
Independent Claim 308 words
A system/assembly for delivery and deployment of an inflation expandable stent within a vessel, comprising: a catheter having proximal and distal ends; a stent, inflation expandable from a delivery diameter to a deployment diameter, such that the delivery diameter is reduced from the deployment diameter for conforming the stent to the catheter, such that the stent in its delivery diameter, is coaxially mounted on the catheter near the catheter distal end; an expandable inflation means coaxially mounted on the catheter within the stent, for expansion of the stent from the delivery diameter to the deployment diameter upon application of fluid deployment pressure to the expandable inflation means; and a mounting and retaining means coaxially mounted on the catheter within the expandable inflation means, the mounting and retaining means designed and adapted to provide a securement pressure to the stent in the delivery diameter to maintain the stent in position on the catheter during delivery to the deployment site, the catheter comprising a shaft, the expandable inflation means comprising a balloon positioned at a distal portion of the shaft for receiving a stent, and means for inflating the balloon, the mounting and retaining means including at least one ring-like mounting body carried on the shaft inside the balloon whereby the diameter of the shaft is increased inside the balloon to facilitate mounting of a stent to the catheter over the balloon and further including, the system further comprising a first and second sleeve in the distal part of the catheter positioned around the catheter, each having a first end gripped to the catheter and a second end overlying first and second end portions of the stent respectively, the first and second sleeves separately holding the stent before expansion thereof and upon expansion of the expandable inflation means and stent releasing the stent by sliding axially from over the stent.

References Cited (Backward Citations)

US2690595A Cited
US4271839A Cited
US4327736A Cited
US4328056A Cited
US4608984A Cited
US4338942A Cited
US4403612A Cited
US4885194A Cited
US4423725A Cited
US4576871A Cited
US4702252A Cited
US4735665A Cited
US4637396A Cited
US4733665A Cited
US4733665B1 Cited
US4733665C2 Cited
US4649914A Cited
US4787388A Cited
EP0257091B1 Cited
US4763654A Cited
US4990139A Cited
US4744366A Cited
US4740207A Cited
US4875480A Cited
US4848343A Cited
EP0266957A2 Cited
EP0274846B1 Cited
US5071406A Cited
US5304132A Cited
US4932958A Cited
US4950227A Cited
US5090958A Cited
US4983167A Cited
US5226880A Cited
US5007926A Cited
US4994033A Cited
US5049131A Cited
US5037392A Cited
US5116318A Cited
US5026377A Cited
US5270086A Cited
US5108370A Cited
US5290306A Cited
US5478320A Cited
US5148548A Cited
US5049132A Cited
EP0442657A2 Cited
US5108416A Cited
US5096848A Cited
US5057092A Cited
US5071407A Cited
US5344426A Cited
US5242399A Cited
US5158548A Cited
US5192295A Cited
US5226889A Cited
US5298300A Cited
US5507768A Cited
EP0529039A1 Cited
US5195969A Cited
US5264260A Cited
US5591222A Cited
US5344401A Cited
US5378237A Cited
EP0553960A1 Cited
US5306250A Cited
WO1993019703A1 Cited
US5295962A Cited
US5415635A Cited
US5447497A Cited
US5342305A Cited
US5348538A Cited
US5405380A Cited
US5571086A Cited
US5304198A Cited
US5512051A Cited
US5441515A Cited
EP0627201A1 Cited
US5344402A Cited
US5458615A Cited
US5409495A Cited
US5490839A Cited
US5545209A Cited
US5358487A Cited
US5445646A Cited
US5403341A Cited
US5470313A Cited
US5453090A Cited
US5415664A Cited
WO1996003072A1 Cited
WO1996003092A1 Cited
US5587125A Cited
EP0699451A2 Cited
US5882335A Cited
US5632760A Cited
EP0707837A1 Cited
US5536252A Cited
US5591228A Cited
US5534007A Cited
US5653691A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2002-10-18 2003-04-19 2003-10-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2006-10-18 2007-04-19 2007-10-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2010-10-18 2011-04-19 2011-10-19 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag