US20020032457A1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catheter having exchangeable balloon
Assignee: Avantec Vascular Corp
•
Filing: 2001-05-31
•
Granted: —
•
Expires: 2021-05-31
Abstract
Abstract An intravascular balloon catheter comprises a tubular catheter body having a balloon structure removably mounted over the catheter body. The catheter body has a guidewire lumen, and the catheter body may be left in place within a patient's vasculature while the balloon structure is withdrawn and optionally a second balloon structure introduced over the catheter body. The catheter and methods of the present invention are particularly suitable for performing angioplasty and subsequent procedures, such as stent placement, which are best performed using successive interventional balloon structures.
Inventors
- 👤 Motasim Sirhan
- 👤 John Yan
- 👤 Kevin Gertner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:20
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/10; A61M25/01; A61M2025/0183; A61M25/1002; A61M2025/1004; A61M25/1011; A61M2025/1015; A61M25/0021; A61M25/0023; A61M25/104
Claims Analysis
Total Claims: 51
Claim 1
Independent Claim
38 words
1 . An intravascular balloon catheter comprising: a catheter body having a proximal end, a distal end, and a guidewire lumen therebetween; and a first balloon structure having a passage which is slidably receivable over the catheter body.
Claim 2
Dependent Claim
38 words
1 . An intravascular balloon catheter comprising: a catheter body having a proximal end, a distal end, and a guidewire lumen therebetween; and a first balloon structure having a passage which is slidably receivable over the catheter body.
Claim 3
Dependent Claim
24 words
2 . An intravascular balloon catheter as in claim 1 , wherein the catheter body comprises a tubular member having at least one lumen.
Claim 4
Dependent Claim
25 words
3 . An intravascular balloon catheter as in claim 1 , wherein a perimeter of the catheter body has a circular, oblong, or elliptical shape.
Claim 5
Dependent Claim
30 words
4 . An intravascular balloon catheter as in claim 1 , wherein the distal end of the catheter body is axially tapered for a length of at least 3 mm.
Claim 6
Dependent Claim
24 words
5 . An intravascular balloon catheter as in claim 1 , further comprising an atraumatic tip at the distal end of the catheter body.
Claim 7
Dependent Claim
31 words
6 . An intravascular balloon catheter as in claim 1 , wherein the catheter body is formed from a polymer material, a composite material, a braided material, or a metal material.
Claim 8
Dependent Claim
23 words
7 . An intravascular balloon catheter as in claim 1 , wherein the catheter body comprises multiple tubular members coupled to one another.
Claim 9
Dependent Claim
37 words
8 . An intravascular balloon catheter as in claim 1 , wherein the balloon structure comprises an inflation tube extending proximally from the balloon when the balloon is disposed near the distal end of the catheter body.
Claim 10
Dependent Claim
28 words
9 . An intravascular balloon catheter as in claim 8 , wherein the inflation tube has sufficient column strength to advance the balloon structure over the catheter body.
Claim 11
Dependent Claim
38 words
10 . An intravascular balloon catheter as in claim 8 , wherein an axial groove is formed over at least a portion of the length of the inflation tube to removably receive a portion of the catheter body.
Claim 12
Dependent Claim
38 words
11 . An intravascular balloon catheter as in claim 10 , wherein the groove has a length in the range from 10 cm to 150 cm and an opening in the range from 0.001 inches to 0.014 inches.
Claim 13
Dependent Claim
27 words
12 . An intravascular balloon catheter as in claim 8 , wherein the inflation tube has a length in the range from 10 cm to 150 cm.
Claim 14
Dependent Claim
43 words
13 . An intravascular balloon catheter as in claim 1 , wherein the catheter body has an inflation lumen which mates with an inflation port on the balloon structure wherein the balloon structure is disposed near the distal end of the catheter body.
Claim 15
Dependent Claim
37 words
14 . An intravascular balloon catheter as in claim 13 , wherein the balloon structure comprises a deployment shaft extending proximally from the balloon when the balloon is disposed near the distal end of the catheter body.
Claim 16
Dependent Claim
41 words
15 . An intravascular balloon catheter as in claim 1 , wherein the catheter body is substantially free from structure at the proximal end which would interfere with passage of the balloon structure over the proximal end of the catheter body.
Claim 17
Dependent Claim
23 words
16 . An intravascular balloon catheter as in claim 1 , further comprising an expandable vascular prosthesis disposed over the first balloon structure.
Claim 18
Dependent Claim
33 words
17 . An intravascular balloon catheter system comprising a balloon catheter as in claim 1 , further comprising a second balloon structure having a passage which is slidably receivable over the catheter body.
Claim 19
Dependent Claim
24 words
18 . An intravascular balloon catheter system as in claim 17 , further comprising an expandable vascular prosthesis disposed over the second balloon structure.
Claim 20
Dependent Claim
30 words
19 . An intravascular balloon catheter as in claim 1 , wherein the catheter body is axially slit over at least a portion of the length of the guidewire lumen.
Claim 21
Dependent Claim
30 words
20 . An intravascular balloon catheter as in claim 1 , wherein the catheter body is spirally slit over at least a portion of the length of the guidewire lumen.
Claim 22
Dependent Claim
39 words
21 . An intravascular balloon catheter as in claim 1 , wherein an axial slit is formed over at least a portion of the length of the catheter body to removably receive an inflation tube of the balloon structure.
Claim 23
Dependent Claim
53 words
22 . An intravascular balloon catheter as in claim 1 , wherein the catheter body has a length in the range from 50 cm to 200 cm, and outer diameter in the range from 1 F to 10 F, and a guidewire lumen diameter in the range from 0.2 mm to 2 mm.
Claim 24
Dependent Claim
43 words
23 . An intravascular balloon catheter as in claim 1 , wherein the balloon structure further comprises an inner sleeve having an inflatable balloon disposed over an outer surface of the inner sleeve, wherein the passage is formed axially in the inner sleeve.
Claim 25
Dependent Claim
43 words
24 . An intravascular balloon catheter as in claim 23 , wherein the inner sleeve has a length in the range form 3 cm to 50 cm and the inflatable balloon has a length in the range from 1 cm to 5 cm.
Claim 26
Dependent Claim
27 words
25 . An intravascular balloon catheter as in claim 23 , wherein at least a portion of the inner sleeve is slidably receivable over the catheter body.
Claim 27
Dependent Claim
22 words
26 . An intravascular balloon catheter as in claim 1 , further comprising a deployable embolic capture element on the catheter body.
Claim 28
Dependent Claim
30 words
27 . An intravascular balloon catheter as in claim 26 , wherein the deployable embolic capture element is located within 20 cm of the distal end of the catheter body.
Claim 29
Dependent Claim
23 words
28 . An intravascular balloon catheter as in claim 1 , further comprising a deployable embolic capture element on the first balloon structure.
Claim 30
Dependent Claim
20 words
29 . An intravascular balloon catheter as in claim 1 , further comprising a second balloon on the catheter body.
Claim 31
Dependent Claim
22 words
30 . An intravascular balloon catheter as in claim 29 , further comprising an expandable vascular prostheses disposed over the second balloon.
Claim 32
Dependent Claim
21 words
31 . An intravascular balloon catheter as in claim 1 , further comprising a self-expanding vascular prosthesis on the catheter body.
Claim 33
Dependent Claim
24 words
32 . An intravascular balloon catheter as in claim 31 , wherein the vascular prosthesis is distal the balloon structure in an unexpanded state.
Claim 34
Dependent Claim
27 words
33 . An intravascular balloon catheter as in claim 31 , wherein the vascular prosthesis is at least partially under the balloon structure in an unexpanded state.
Claim 35
Dependent Claim
25 words
34 . An intravascular balloon catheter as in claim 1 , further comprising an atherectomy element coupled to the distal end of the catheter body.
Claim 36
Dependent Claim
27 words
35 . An intravascular balloon catheter as in claim 1 , further comprising at least one pressure sensor coupled to the distal end of the catheter body.
Claim 37
Dependent Claim
26 words
36 . An intravascular balloon catheter as in claim 1 , further comprising at least one infusion port at the distal end of the catheter body.
Claim 38
Dependent Claim
28 words
37 . An intravascular balloon catheter as in claim 1 , further comprising a second catheter body having a passage which is slidably receivable over the catheter body.
Claim 39
Dependent Claim
69 words
38 . A method for balloon exchange over a catheter body, said method comprising: withdrawing a first balloon structure over a catheter body in a proximal direction, wherein said catheter body remains in place over a guidewire in a blood vessel; and introducing a second balloon structure over the catheter body in a distal direction, wherein said catheter body remains in place over the guidewire in a blood vessel.
Claim 40
Dependent Claim
69 words
38 . A method for balloon exchange over a catheter body, said method comprising: withdrawing a first balloon structure over a catheter body in a proximal direction, wherein said catheter body remains in place over a guidewire in a blood vessel; and introducing a second balloon structure over the catheter body in a distal direction, wherein said catheter body remains in place over the guidewire in a blood vessel.
Claim 41
Dependent Claim
35 words
39 . A method as in claim 38 , wherein the balloon structure that is introduced over the catheter body is not the same as the balloon structure that is withdrawn over the catheter body.
Claim 42
Dependent Claim
26 words
40 . A method as in claim 38 , further comprising expanding the first and second balloon structures which have been introduced to the blood vessel.
Claim 43
Dependent Claim
32 words
41 . A method as in claim 40 , wherein at least one of the balloon structures are carrying a vascular prosthesis which is deployed into the blood vessel by balloon expansion.
Claim 44
Dependent Claim
28 words
42 . A method as in claim 40 , wherein expanding the balloon structure comprises introducing an inflation medium through an inflation tube connected to the balloon structure.
Claim 45
Dependent Claim
27 words
43 . A method as in claim 40 , wherein expanding the balloon structure comprises introducing an inflation medium through an inflation lumen in the catheter body.
Claim 46
Dependent Claim
41 words
44 . A method for balloon withdrawal over a catheter body, said method comprising: withdrawing a first balloon structure over a catheter body in a proximal direction, wherein said catheter body remains in place over a guidewire in a blood vessel.
Claim 47
Dependent Claim
41 words
44 . A method for balloon withdrawal over a catheter body, said method comprising: withdrawing a first balloon structure over a catheter body in a proximal direction, wherein said catheter body remains in place over a guidewire in a blood vessel.
Claim 48
Dependent Claim
41 words
45 . A method for balloon introduction over a catheter body, said method comprising: introducing a first balloon structure over the catheter body in a distal direction, wherein said catheter body remains in place over the guidewire in a blood vessel.
Claim 49
Dependent Claim
41 words
45 . A method for balloon introduction over a catheter body, said method comprising: introducing a first balloon structure over the catheter body in a distal direction, wherein said catheter body remains in place over the guidewire in a blood vessel.
Claim 50
Dependent Claim
31 words
46 . A kit comprising: a catheter body; a first balloon structure removably replaceable over the catheter body; and instructions for use setting forth a method as in claim 15 .
Claim 51
Dependent Claim
15 words
47 . A kit as in claim 46 , further comprising a second balloon structure.
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