US5669924A
Expired / Lapsed
US
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Y-shuttle stent assembly for bifurcating vessels and method of using the same
Assignee: Individual
•
Filing: 1995-10-26
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Granted: 1997-09-23
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Expires: 2015-10-26
Abstract
Abstract The present invention relates to a Y-shuttle stent delivery system to be used in the placement of one or more stents in a bifurcating vessel. In particular, the stent delivery system of the invention comprises a tubular stent delivery catheter (or "shuttle") having a Y-shaped bifurcated expandable deployment segment which may be inserted into both branches of a bifurcating vessel. One or more stents may be mounted, in a contracted conformation, on the deployment segment, and may be deployed in both branches of the vessel simultaneously by expanding the deployment segment by an ancillary means, such as one or more balloon catheters, positioned within the shuttle.
Inventors
- 👤 Alexander Shaknovich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:36
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/04; A61F2/06; A61F2/07; A61F2/82; A61F2/86; A61F2/90; A61F2/95; A61F2/954; A61F2/958; A61F2/852; A61F2/856; A61F2002/065; A61F2002/067; A61F2/30; A61F2002/30001; A61F2002/30316; A61F2002/30329; A61F2220/00; A61F2220/0025; A61F2220/005; A61F2220/0058; A61F2220/0091; A61M; A61M25/00; A61M25/10; A61M2025/1043; A61M2025/1045
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
124 words
A stent delivery system comprising (a) a shuttle for delivering one or more stents in a bifurcating vessel in a patient in need of such treatment comprising a tubular catheter having, at or near its distal end, a Y-shaped deployment segment having an expandable portion; (b) a stent mounted on the expandable portion of the Y-shaped deployment segment of the shuttle; and (c) two balloon catheters, each having a shaft and each comprising a balloon at its distal end; wherein the Y-shaped deployment segment of the shuttle may be passed over the shafts of the balloon catheters and its expandable portion may be expanded by inflation of the balloons to deliver the stent in a desired location in a bifurcating vessel in the patient.
Claim 2
Dependent Claim
124 words
A stent delivery system comprising (a) a shuttle for delivering one or more stents in a bifurcating vessel in a patient in need of such treatment comprising a tubular catheter having, at or near its distal end, a Y-shaped deployment segment having an expandable portion; (b) a stent mounted on the expandable portion of the Y-shaped deployment segment of the shuttle; and (c) two balloon catheters, each having a shaft and each comprising a balloon at its distal end; wherein the Y-shaped deployment segment of the shuttle may be passed over the shafts of the balloon catheters and its expandable portion may be expanded by inflation of the balloons to deliver the stent in a desired location in a bifurcating vessel in the patient.
Claim 3
Independent Claim
200 words
A method for placing a stent in a bifurcating vessel of a patient wherein the bifurcating vessel contains one or more lesions, comprising (i) introducing two balloon catheters, each having a shaft and each comprising a balloon at its distal end, into the bifurcating vessel such that the both balloons are within the one or more lesions; (ii) inflating the balloons so as to dilate the one or more lesions; (iii) deflating the balloons; (iv) advancing the balloons distal to the one or more lesions; (v) passing a shuttle, comprising a tubular catheter having at or near its distal end a Y-shaped deployment segment having an expandable portion, wherein a stent is mounted on the expandable portion of the deployment segment, over the shafts of the balloon catheters, such that the stent is positioned within the dilated one or more lesions; (vi) withdrawing the deflated balloons into the shuttle such that the balloons lie within the Y-shaped deployment segment; (vii) inflating the balloons, thereby expanding the expandable portion of the Y-shaped deployment segment and delivering the stent within the dilated one or more lesions; (viii) deflating the balloons; and (ix) withdrawing the shuttle and the balloon catheters from the patient.
Claim 4
Independent Claim
200 words
A method for placing a stent in a bifurcating vessel of a patient wherein the bifurcating vessel contains one or more lesions, comprising (i) introducing two balloon catheters, each having a shaft and each comprising a balloon at its distal end, into the bifurcating vessel such that the both balloons are within the one or more lesions; (ii) inflating the balloons so as to dilate the one or more lesions; (iii) deflating the balloons; (iv) advancing the balloons distal to the one or more lesions; (v) passing a shuttle, comprising a tubular catheter having at or near its distal end a Y-shaped deployment segment having an expandable portion, wherein a stent is mounted on the expandable portion of the deployment segment, over the shafts of the balloon catheters, such that the stent is positioned within the dilated one or more lesions; (vi) withdrawing the deflated balloons into the shuttle such that the balloons lie within the Y-shaped deployment segment; (vii) inflating the balloons, thereby expanding the expandable portion of the Y-shaped deployment segment and delivering the stent within the dilated one or more lesions; (viii) deflating the balloons; and (ix) withdrawing the shuttle and the balloon catheters from the patient.
Claim 5
Dependent Claim
19 words
The method of claim 2, wherein more than one stent is mounted on the Y-shaped deployment segment and delivered.
Claim 6
Dependent Claim
12 words
The method of claim 2, wherein the stent is a Y-shaped stent.
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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) | 2000-09-22 | 2001-03-24 | 2001-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-09-22 | 2005-03-24 | 2005-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-09-22 | 2009-03-24 | 2009-09-23 | $7700.00 | Window Closed / Lapsed |