US5569199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dilatation catheter with eccentric balloon
Assignee: Cordis Corp
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Filing: 1995-04-07
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Granted: 1996-10-29
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Expires: 2015-04-07
Abstract
Abstract This invention relates to a balloon dilatation catheter. The balloon dilatation catheter comprises a first, inflation lumen extending therethrough and having distal and proximal ends, the distal end of the first lumen opening into and being in fluid communication with the interior of an inflatable dilatation balloon having distal and proximal ends, and a second lumen extending coextensively with and exterior to the dilatation balloon.
Inventors
- 👤 Ronald J. Solar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:06
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/10; A61M25/1002; A61M25/01; A61M2025/0177; A61M2025/0183; A61M2025/1043; A61M2025/1079
Claims Analysis
Total Claims: 43
Claim 1
Independent Claim
176 words
A balloon dilatation catheter which comprises: a catheter shaft defining a first, inflation lumen and a second lumen, each of said first and second lumens having proximal and distal ends, and an inflatable dilatation balloon having proximal and distal ends, wherein the distal end of said first lumen opens into and is in fluid communication with the interior of the dilatation balloon and the second lumen extends longitudinally with the first lumen, the proximal end of the second lumen being adjacent to the proximal end of the first lumen, the distal end of the second lumen being open and distal to the distal end of the first lumen, the section of the second lumen distal to the proximal end of the dilatation balloon being exterior to the dilatation balloon and containing a rigid or substantially rigid triangularly-shaped lubricious liner, the distal end of the second lumen being open and distal to the distal end of the dilatation balloon, and the second lumen being sufficiently linear to allow the catheter to be slidingly advanced over a guidewire.
Claim 2
Dependent Claim
176 words
A balloon dilatation catheter which comprises: a catheter shaft defining a first, inflation lumen and a second lumen, each of said first and second lumens having proximal and distal ends, and an inflatable dilatation balloon having proximal and distal ends, wherein the distal end of said first lumen opens into and is in fluid communication with the interior of the dilatation balloon and the second lumen extends longitudinally with the first lumen, the proximal end of the second lumen being adjacent to the proximal end of the first lumen, the distal end of the second lumen being open and distal to the distal end of the first lumen, the section of the second lumen distal to the proximal end of the dilatation balloon being exterior to the dilatation balloon and containing a rigid or substantially rigid triangularly-shaped lubricious liner, the distal end of the second lumen being open and distal to the distal end of the dilatation balloon, and the second lumen being sufficiently linear to allow the catheter to be slidingly advanced over a guidewire.
Claim 3
Dependent Claim
14 words
The catheter of claim 1, wherein the first inflation lumen is a metal hypotube.
Claim 4
Dependent Claim
27 words
The catheter of claim 1, wherein a radiopaque marker is located within the second lumen at a point between the proximal and distal ends of the balloon.
Claim 5
Dependent Claim
13 words
The catheter of claim 3, wherein the radiopaque marker has a triangular shape.
Claim 6
Dependent Claim
29 words
The catheter of claim 1, wherein a portion of the distal section of the second lumen has an opening located between the proximal and distal ends of the balloon.
Claim 7
Dependent Claim
24 words
The balloon dilatation catheter of claim 1, wherein the diameter of the second lumen is smaller than the diameter of the inflated dilatation balloon.
Claim 8
Dependent Claim
21 words
The balloon dilatation catheter of claim 1, wherein the balloon is bonded axially along its entire length to the second lumen.
Claim 9
Dependent Claim
19 words
The balloon dilatation catheter of claim 1, wherein the balloon and the second lumen are made from one piece.
Claim 10
Dependent Claim
17 words
A balloon dilatation catheter system which comprises one or more catheters of claim i and a guidewire.
Claim 11
Dependent Claim
15 words
The system of claim 9, wherein each catheter has a dilatation balloon of varying size.
Claim 12
Dependent Claim
153 words
A balloon dilatation catheter which comprises: a catheter shaft defining a first, inflation lumen and a second lumen, each of said first and second lumens having proximal and distal ends, and an inflatable dilatation balloon having proximal and distal ends, wherein the distal end of the first lumen opens into and is in fluid communication with the interior of the dilatation balloon, the proximal end of the second lumen being open and being located substantially distal to the proximal end of the first lumen, the section of the second lumen distal to the proximal end of the dilatation balloon being exterior to the dilatation balloon and containing a rigid or substantially rigid triangularly shaped lubricious liner, the distal end of the second lumen being open and distal to the distal end of the dilatation balloon, and the second lumen being sufficiently linear to allow the catheter to be slidingly advanced over a guidewire.
Claim 13
Dependent Claim
153 words
A balloon dilatation catheter which comprises: a catheter shaft defining a first, inflation lumen and a second lumen, each of said first and second lumens having proximal and distal ends, and an inflatable dilatation balloon having proximal and distal ends, wherein the distal end of the first lumen opens into and is in fluid communication with the interior of the dilatation balloon, the proximal end of the second lumen being open and being located substantially distal to the proximal end of the first lumen, the section of the second lumen distal to the proximal end of the dilatation balloon being exterior to the dilatation balloon and containing a rigid or substantially rigid triangularly shaped lubricious liner, the distal end of the second lumen being open and distal to the distal end of the dilatation balloon, and the second lumen being sufficiently linear to allow the catheter to be slidingly advanced over a guidewire.
Claim 14
Dependent Claim
22 words
The catheter of claim 11, wherein the diameter of the second lumen is smaller than the diameter of the inflated dilatation balloon.
Claim 15
Dependent Claim
19 words
The catheter of claim 11, wherein the balloon is bonded axially along its entire length to the second lumen.
Claim 16
Dependent Claim
17 words
The catheter of claim 11, wherein the balloon and the second lumen are made from one piece.
Claim 17
Dependent Claim
14 words
The catheter of claim 11, wherein the first inflation lumen is a metal hypotube.
Claim 18
Dependent Claim
27 words
The catheter of claim 11, wherein a radiopaque marker is located within the second lumen at a point between the proximal and distal ends of the balloon.
Claim 19
Dependent Claim
13 words
The catheter of claim 16, wherein the radiopaque marker has a triangular shape.
Claim 20
Dependent Claim
17 words
A balloon dilatation catheter system which comprises one or more catheters of claim 11 and a guidewire.
Claim 21
Dependent Claim
15 words
The system of claim 18, wherein each catheter has a dilatation balloon of varying size.
Claim 22
Dependent Claim
160 words
A balloon dilatation catheter which comprises: a first, inflation lumen extending therethrough and having distal and proximal ends, the distal end of said first lumen opening into and being in fluid communication with the interior of an inflatable dilatation balloon having distal and proximal ends, and a second lumen extending coextensively with the first lumen, having proximal and distal ends, wherein the proximal end of the second lumen is adjacent to the proximal end of the first lumen, the distal end of the second lumen is open and distal to the distal end of the balloon, and wherein the distal section of the second lumen is exterior to the balloon and has an opening proximal, adjacent, or distal to the proximal end of the dilatation balloon, and the section of the second lumen distal to the opening is enlarged as compared to the proximal section of the second lumen and contains a rigid or substantially rigid triangularly shaped lubricious liner.
Claim 23
Dependent Claim
160 words
A balloon dilatation catheter which comprises: a first, inflation lumen extending therethrough and having distal and proximal ends, the distal end of said first lumen opening into and being in fluid communication with the interior of an inflatable dilatation balloon having distal and proximal ends, and a second lumen extending coextensively with the first lumen, having proximal and distal ends, wherein the proximal end of the second lumen is adjacent to the proximal end of the first lumen, the distal end of the second lumen is open and distal to the distal end of the balloon, and wherein the distal section of the second lumen is exterior to the balloon and has an opening proximal, adjacent, or distal to the proximal end of the dilatation balloon, and the section of the second lumen distal to the opening is enlarged as compared to the proximal section of the second lumen and contains a rigid or substantially rigid triangularly shaped lubricious liner.
Claim 24
Dependent Claim
18 words
The catheter of claim 20, wherein the proximal, unenlarged section of the second lumen contains a pushing wire.
Claim 25
Dependent Claim
29 words
The catheter of claim 21, wherein the pushing wire has proximal and distal ends and said distal end is positioned at or near the opening of the second lumen.
Claim 26
Dependent Claim
26 words
The catheter of claim 21, wherein the distal end of the pushing wire is held in position by the lubricious liner and the second lumen wall.
Claim 27
Dependent Claim
24 words
The catheter of claim 20, wherein the portion of the second lumen proximal to the opening has been heat shrunk around the pushing wire.
Claim 28
Dependent Claim
19 words
The catheter of claim 20, wherein the second lumen is capable of receiving a guidewire in a sliding fit.
Claim 29
Dependent Claim
17 words
A balloon dilatation catheter system which comprises one or more catheters of claim 20 and a guidewire.
Claim 30
Dependent Claim
15 words
The system of claim 26, wherein each catheter has a dilatation balloon of varying size.
Claim 31
Dependent Claim
122 words
A perfusion balloon which comprises: a catheter shaft defining a first, inflation lumen and a second lumen, each of said first and second lumens having proximal and distal open ends, an inflatable dilatation balloon having proximal and distal ends, wherein the distal end of the first lumen opens into and is in fluid communication with the interior of the dilatation balloon, the distal end of the second lumen being distal to the distal end of the first lumen and the second lumen being exterior to the dilatation balloon, the proximal and distal ends of the second lumen being relatively disposed perfusion openings, and the second lumen permitting blood flow past the dilatation balloon while the balloon is forcefully inflated with pressurized fluid.
Claim 32
Dependent Claim
122 words
A perfusion balloon which comprises: a catheter shaft defining a first, inflation lumen and a second lumen, each of said first and second lumens having proximal and distal open ends, an inflatable dilatation balloon having proximal and distal ends, wherein the distal end of the first lumen opens into and is in fluid communication with the interior of the dilatation balloon, the distal end of the second lumen being distal to the distal end of the first lumen and the second lumen being exterior to the dilatation balloon, the proximal and distal ends of the second lumen being relatively disposed perfusion openings, and the second lumen permitting blood flow past the dilatation balloon while the balloon is forcefully inflated with pressurized fluid.
Claim 33
Dependent Claim
14 words
The perfusion catheter of claim 28, wherein the second lumen comprises a triangularly-shaped liner.
Claim 34
Dependent Claim
15 words
The perfusion catheter of claim 28, wherein the second lumen comprises a coiled support member.
Claim 35
Dependent Claim
82 words
A perfusion balloon catheter comprising a catheter shaft, an expansible balloon section carried at a distal end portion of the catheter shaft, and a perfusion conduit exterior to the balloon section and defining proximal and distal perfusion openings respectively disposed relative to said balloon section and communicating with one another via a passage of said perfusion conduit, said perfusion conduit maintaining said conduit passage open to permit perfusion blood flow past said balloon while the latter is forcefully inflated with pressurized fluid.
Claim 36
Dependent Claim
82 words
A perfusion balloon catheter comprising a catheter shaft, an expansible balloon section carried at a distal end portion of the catheter shaft, and a perfusion conduit exterior to the balloon section and defining proximal and distal perfusion openings respectively disposed relative to said balloon section and communicating with one another via a passage of said perfusion conduit, said perfusion conduit maintaining said conduit passage open to permit perfusion blood flow past said balloon while the latter is forcefully inflated with pressurized fluid.
Claim 37
Dependent Claim
20 words
The perfusion catheter of claim 31 further including an inflation lumen communicating pressurized inflation fluid to said expansible balloon section.
Claim 38
Dependent Claim
17 words
The perfusion catheter of claim 31 further including a guidewire assembly movably disposed in said perfusion conduit.
Claim 39
Dependent Claim
19 words
The perfusion catheter of claim 31, wherein the perfusion conduit contains a helical coil member as a support member.
Claim 40
Dependent Claim
18 words
The perfusion catheter of claim 34 wherein said helical coil member includes a helical coil of metallic wire.
Claim 41
Dependent Claim
17 words
The perfusion catheter of claim 35 wherein said helical coil of metallic wire is of open-coil configuration.
Claim 42
Dependent Claim
24 words
The perfusion catheter of claim 31, wherein said perfusion conduit may have one or more lateral openings opening outwardly from the perfusion conduit passage.
Claim 43
Dependent Claim
26 words
The perfusion catheter of claim 37, wherein said perfusion conduit has one or more of said openings at the distal and proximal ends of said conduit.
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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) | 1999-10-29 | 2000-04-29 | 2000-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-10-29 | 2004-04-29 | 2004-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-10-29 | 2008-04-29 | 2008-10-29 | $7700.00 | Window Closed / Lapsed |