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Patent US5571086A successfully refreshed from Google Patents.
US5571086A
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US
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Method and apparatus for sequentially performing multiple intraluminal procedures
Assignee: JW Medical Systems Ltd China
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Filing: 1994-04-01
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Granted: 1996-11-05
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Expires: 2014-04-01
Abstract
Abstract Sleeve catheters having an interactive device near their distal ends are provided for introduction while disposed over conventional interventional and imaging catheters. Exemplary interactive devices on the sleeve catheters include ultrasonic imaging arrays, drug delivery lumens, and the like. The sleeve catheters are most commonly used with angioplasty catheters, stent placement catheters, atherectomy catheters, and the like.
Inventors
- 👤 Aaron V. Kaplan
- 👤 James R. Kermode
- 👤 Enrique J. Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:45
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/10; A61M25/104; A61B; A61B8/00; A61B8/12; A61B8/44; A61B8/4483; A61B8/4488; A61F; A61F2/00; A61F2/95; A61F2/958; A61M29/00; A61M29/02; A61F2250/00; A61F2250/0058; A61F2250/0067; A61M25/0043; A61M2025/0057; A61M2025/0063; A61M25/01; A61M25/09; A61M2025/09175; A61M2025/09183; A61M2025/1043; A61M2025/105; A61M2025/1075; A61M2025/1079; A61M2025/1081; A61M2025/1084; A61M25/0054; A61M25/1002; A61M37/00; A61M37/0092
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
128 words
A method for sequentially performing intraluminal procedures, said method comprising: introducing over a guidewire a base catheter having a sleeve catheter slidably disposed thereover to a target location in a body lumen, wherein the base catheter has an inflatable balloon near its distal end and the sleeve catheter has a radially expandable region near its distal end and an interactive device on or within the radially expandable region; positioning the balloon which is on the base catheter at the target location; and axially translating the sleeve catheter relative to the base catheter to position the radially expandable region on the sleeve catheter over the balloon at the target location to position the interactive device over the balloon and perform a diagnostic or therapeutic procedure using the interactive device.
Claim 2
Independent Claim
128 words
A method for sequentially performing intraluminal procedures, said method comprising: introducing over a guidewire a base catheter having a sleeve catheter slidably disposed thereover to a target location in a body lumen, wherein the base catheter has an inflatable balloon near its distal end and the sleeve catheter has a radially expandable region near its distal end and an interactive device on or within the radially expandable region; positioning the balloon which is on the base catheter at the target location; and axially translating the sleeve catheter relative to the base catheter to position the radially expandable region on the sleeve catheter over the balloon at the target location to position the interactive device over the balloon and perform a diagnostic or therapeutic procedure using the interactive device.
Claim 3
Dependent Claim
73 words
A method as in claim 1, wherein the interactive device is selected from the group consisting of a stent, a graft, and a drug infusion matrix and wherein the stent or graft is disposed over the radially expandable region on the sleeve catheter and the drug infusion matrix is disposed within the radially expandable region on the sleeve catheter, and wherein the procedure comprises revascularization of the stenosed region in a blood vessel.
Claim 4
Dependent Claim
25 words
A method as in claim 1, wherein the balloon is positioned and an angioplasty procedure performed prior to positioning the interactive device over the balloon.
Claim 5
Independent Claim
88 words
A method for positioning a sleeve catheter having a radially expandable region over a base catheter having an inflatable balloon, said method comprising: visualizing a target location in a body lumen; introducing the base catheter through the body lumen to the target location; moving the sleeve catheter relative to the base catheter; and aligning at least one marker visible on the sleeve catheter with a marker visible on the base catheter to position the radially expandable region on the sleeve catheter over the balloon on the base catheter.
Claim 6
Independent Claim
88 words
A method for positioning a sleeve catheter having a radially expandable region over a base catheter having an inflatable balloon, said method comprising: visualizing a target location in a body lumen; introducing the base catheter through the body lumen to the target location; moving the sleeve catheter relative to the base catheter; and aligning at least one marker visible on the sleeve catheter with a marker visible on the base catheter to position the radially expandable region on the sleeve catheter over the balloon on the base catheter.
Claim 7
Dependent Claim
39 words
A method as in claim 4, wherein the sleeve catheter has a pair of markers and the markers on the sleeve catheter are spaced-apart by a distance substantially equal to the width of the marker on the base catheter.
Claim 8
Independent Claim
135 words
A method for placing a stent or graft into a blood vessel, said method comprising: introducing a catheter having an inflatable balloon to a target region within the blood vessel; inflating the balloon to dilate the target region; deflating the balloon; positioning over the balloon catheter a tubular catheter having (a) a radially expandable portion and (b) a stent or graft disposed over said radially expandable portion so that radially expandable portion is located over the balloon and in the target region; and reinflating the balloon while said balloon lies within the radially expandable portion of the tubular catheter and the radially expandable portion lies within the target region, wherein the radially expandable portion is expanded to radially expand the stent or graft to anchor said stent or graft in place within the blood vessel.
Claim 9
Independent Claim
135 words
A method for placing a stent or graft into a blood vessel, said method comprising: introducing a catheter having an inflatable balloon to a target region within the blood vessel; inflating the balloon to dilate the target region; deflating the balloon; positioning over the balloon catheter a tubular catheter having (a) a radially expandable portion and (b) a stent or graft disposed over said radially expandable portion so that radially expandable portion is located over the balloon and in the target region; and reinflating the balloon while said balloon lies within the radially expandable portion of the tubular catheter and the radially expandable portion lies within the target region, wherein the radially expandable portion is expanded to radially expand the stent or graft to anchor said stent or graft in place within the blood vessel.
Claim 10
Dependent Claim
28 words
A method as in claim 6, wherein the introducing step comprises introducing the tubular catheter simultaneously with the balloon to the blood vessel prior to the balloon-inflating step.
Claim 11
Dependent Claim
29 words
A method as in claim 7, wherein the radially expandable portion of the tubular catheter is disposed over the balloon catheter proximal to the balloon during the balloon-inflating step.
Claim 12
Dependent Claim
28 words
A method as in claim 6, wherein the tubular catheter is positioned over the balloon catheter by aligning radiopaque markers on the balloon and on the tubular catheter.
Claim 13
Dependent Claim
33 words
A method as in claim 6, wherein the stent is non-elastically deformable and expansion of the balloon within the radially expandable portion of the tubular catheter results in non-elastic deformation of the stent.
Claim 14
Dependent Claim
109 words
A sleeve catheter, said sleeve catheter comprising: a tubular body having a proximal end, a distal end, and an axial lumen adapted to slidably receive a balloon catheter therethrough, wherein at least a portion of the tubular body is radially expandable in response to inflation of a balloon therein, wherein the radially expandable region does not itself comprise a balloon; and an element selected from the group consisting of a radially expandable stent and a radially expandable graft disposed on the radially expandable portion of the tubular body, wherein inflation of a balloon within the axial lumen of the expandable portion of the tubular body will expand the element.
Claim 15
Dependent Claim
109 words
A sleeve catheter, said sleeve catheter comprising: a tubular body having a proximal end, a distal end, and an axial lumen adapted to slidably receive a balloon catheter therethrough, wherein at least a portion of the tubular body is radially expandable in response to inflation of a balloon therein, wherein the radially expandable region does not itself comprise a balloon; and an element selected from the group consisting of a radially expandable stent and a radially expandable graft disposed on the radially expandable portion of the tubular body, wherein inflation of a balloon within the axial lumen of the expandable portion of the tubular body will expand the element.
Claim 16
Dependent Claim
18 words
A sleeve catheter as in claim 11, wherein the radially expandable portion is composed of an elastomeric material.
Claim 17
Dependent Claim
24 words
A sleeve catheter as in claim 11, wherein the radially expandable portion is created by a plurality of axial slits in the tubular body.
Claim 18
Dependent Claim
13 words
A sleeve catheter as in claim 11, wherein the element is non-elastically deformable.
Claim 19
Dependent Claim
77 words
A cardiovascular treatment system comprising: an intravascular catheter having a proximal end, a distal end, and an inflatable balloon near the distal end; a sleeve catheter having proximal and distal ends, an axial lumen which slidably receives the intravascular catheter, and an expandable region, wherein the expandable region is adapted to receive the balloon and be expanded in response to balloon inflation; and an interactive device disposed over or within the expandable region of the sleeve catheter.
Claim 20
Dependent Claim
77 words
A cardiovascular treatment system comprising: an intravascular catheter having a proximal end, a distal end, and an inflatable balloon near the distal end; a sleeve catheter having proximal and distal ends, an axial lumen which slidably receives the intravascular catheter, and an expandable region, wherein the expandable region is adapted to receive the balloon and be expanded in response to balloon inflation; and an interactive device disposed over or within the expandable region of the sleeve catheter.
Claim 21
Dependent Claim
28 words
A cardiovascular treatment system as in claim 15, wherein the interactive device is selected from the group consisting of a stent, a graft, and a drug infusion matrix.
Claim 22
Independent Claim
109 words
A system comprising: a base catheter having an inflatable balloon and at least one radiopaque marker near a distal end thereof, and a sleeve catheter having a radially expandable portion, second interactive device and a lumen near its distal end and a radiopaque marker over the lumen, wherein the second interactive device is disposed over or within the radially expandable portion and wherein the radiopaque marker on the base catheter and the radiopaque marker on the sleeve catheter are respectively positioned so that the second interactive device on the sleeve catheter will be positioned over the first interactive device on the base catheter when the said markers are aligned.
Claim 23
Independent Claim
109 words
A system comprising: a base catheter having an inflatable balloon and at least one radiopaque marker near a distal end thereof, and a sleeve catheter having a radially expandable portion, second interactive device and a lumen near its distal end and a radiopaque marker over the lumen, wherein the second interactive device is disposed over or within the radially expandable portion and wherein the radiopaque marker on the base catheter and the radiopaque marker on the sleeve catheter are respectively positioned so that the second interactive device on the sleeve catheter will be positioned over the first interactive device on the base catheter when the said markers are aligned.
Claim 24
Dependent Claim
38 words
A system as in claim 17, wherein the sleeve catheter includes a pair of spaced-apart markers which are aligned on either side of the marker on the base catheter when the base and sleeve catheters are properly aligned.
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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) | 1999-11-05 | 2000-05-06 | 2000-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-11-05 | 2004-05-06 | 2004-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-11-05 | 2008-05-06 | 2008-11-05 | $7700.00 | Window Closed / Lapsed |