US5868705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pre-stretched catheter balloon
Assignee: Mirage Ip LLC
•
Filing: 1997-03-06
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Granted: 1999-02-09
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Expires: 2017-03-06
Abstract
Abstract Disclosed herein is a compliant catheter balloon with an improved elastic response and reduced longitudinal expansion, and a method of forming the same. The balloon comprises a SEBS block copolymer, which is longitudinally prestretched during the balloon manufacture process.
Inventors
- 👤 Celso J. Bagaoisan
- 👤 Ketan P. Muni
- 👤 Hung V. Ha
- 👤 Sivette Lam
- 👤 Gholan-Reza Zadno-Azizi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:25
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/22; A61L; A61L29/00; A61M; A61M25/00; A61M25/0009; A61M25/0043; A61M25/0054; A61M25/0067; A61M25/0074; A61M25/0075; A61M25/01; A61M25/09; A61M25/09016; A61M25/09033; A61M25/10; A61M25/1011; A61M25/104; B; B29; B29C; B29C55/00; B29C55/02; B29C55/04; A61B2017/22051; A61B2017/22065; A61B2017/22067; A61B2017/22082; A61B2017/22084; A61B2217/00; A61B2217/002; A61B2217/005; A61M2025/0018; A61M25/008; A61M2025/0081; A61M2025/0183; A61M2025/09008; A61M2025/09175; A61M2025/1015; A61M25/1027; A61M25/1029; A61M2025/1031; A61M2025/1043; A61M2025/1052; A61M2025/1079; A61M2025/109; A61M2025/1093; A61M25/0021; A61M25/0023; A61M25/0026; A61M25/0068; A61M25/007; A61M25/1018; A61M25/10184
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
68 words
A compliant catheter balloon formed in part by longitudinly stretching an extruded styrene-ethylene-butylene-styrene (SEBS) tube at a forming temperature between about 0° and 90° C. such that the tube increases in length by at least 200%, wherein the stretching of the tube reduces the longitudinal expansion of the balloon by at least about 20% upon inflation compared to a balloon formed from an unstretched tube of identical composition.
Claim 2
Dependent Claim
68 words
A compliant catheter balloon formed in part by longitudinly stretching an extruded styrene-ethylene-butylene-styrene (SEBS) tube at a forming temperature between about 0° and 90° C. such that the tube increases in length by at least 200%, wherein the stretching of the tube reduces the longitudinal expansion of the balloon by at least about 20% upon inflation compared to a balloon formed from an unstretched tube of identical composition.
Claim 3
Dependent Claim
15 words
The balloon of claim 1, wherein the tube increases in length by at least 400%.
Claim 4
Dependent Claim
18 words
The balloon of claim 1, further comprising stretching the tube at a rate of less than 30 cm/min.
Claim 5
Dependent Claim
36 words
The balloon of claim 2, wherein the longitudinal expansion of the balloon formed in part by stretching the extruded tube is at least 20% less than a balloon formed from an unstretched tube of identical composition.
Claim 6
Independent Claim
70 words
A method of making a compliant inflatable catheter balloon with reduced longitudinal expansion comprising the steps of: providing an extruded SEBS tube having a first length and a first inner diameter; stretching the extruded SEBS tube longitudinally at a forming temperature between about 0° and 90° C. so that the tube forms a second inner diameter smaller than the first diameter, and a second length greater than the first length.
Claim 7
Independent Claim
70 words
A method of making a compliant inflatable catheter balloon with reduced longitudinal expansion comprising the steps of: providing an extruded SEBS tube having a first length and a first inner diameter; stretching the extruded SEBS tube longitudinally at a forming temperature between about 0° and 90° C. so that the tube forms a second inner diameter smaller than the first diameter, and a second length greater than the first length.
Claim 8
Dependent Claim
19 words
The method of claim 5, further comprising cutting the stretched SEBS tube within two hours of the stretching step.
Claim 9
Dependent Claim
18 words
The method of claim 5, wherein the second length is at least 200% greater than the first length.
Claim 10
Dependent Claim
19 words
The method of claim 7, wherein the stretched second length is at least 400% greater than the first length.
Claim 11
Dependent Claim
19 words
The method of claim 8, wherein the stretched second length is at least 600% greater than the first length.
Claim 12
Dependent Claim
16 words
The method of claim 5, wherein the second diameter is 10% smaller than the first diameter.
Claim 13
Dependent Claim
16 words
The method of claim 10, wherein the second diameter is 40% smaller than the first diameter.
Claim 14
Dependent Claim
17 words
The method of claim 5, wherein the longitudinal stretching occurs at a rate of about 10 cm/min.
Claim 15
Dependent Claim
20 words
The method of claim 5, wherein the stretching takes place at a temperature of between about 25° and 30° C.
Claim 16
Dependent Claim
41 words
The method of claim 5, wherein the extruded SEBS tube has a first wall thickness prior to the stretching step, and a second wall thickness after the stretching step, and the first wall thickness is greater than the second wall thickness.
Claim 17
Dependent Claim
20 words
The method of claim 14, wherein the first wall thickness is at least 10% greater than the second wall thickness.
Claim 18
Dependent Claim
20 words
The method of claim 15, wherein the first wall thickness is at least 30% greater than the second wall thickness.
Claim 19
Dependent Claim
7 words
A longitudinally pre-stretched SEBS compliant catheter balloon.
Claim 20
Dependent Claim
7 words
A longitudinally pre-stretched SEBS compliant catheter balloon.
Claim 21
Independent Claim
95 words
A method of making a compliant inflatable catheter balloon with reduced longitudinal expansion comprising the steps of: extruding a styrene-ethylene-butylene-styrene (SEBS) resin to form a tube having a first length and a first inner diameter; stretching the extruded tube longitudinally so that the tube forms a second inner diameter smaller than the first diameter, and a second length greater than the first length, wherein the stretching of the tube reduces the longitudinal expansion of the balloon by at least about 20% upon inflation compared to a balloon formed from an unstretched tube of identical composition.
Claim 22
Independent Claim
95 words
A method of making a compliant inflatable catheter balloon with reduced longitudinal expansion comprising the steps of: extruding a styrene-ethylene-butylene-styrene (SEBS) resin to form a tube having a first length and a first inner diameter; stretching the extruded tube longitudinally so that the tube forms a second inner diameter smaller than the first diameter, and a second length greater than the first length, wherein the stretching of the tube reduces the longitudinal expansion of the balloon by at least about 20% upon inflation compared to a balloon formed from an unstretched tube of identical composition.
Claim 23
Dependent Claim
22 words
The method of claim 18, wherein the extruded tube is longitudinally stretched at a forming temperature between about 0° and 90° C.
References Cited (Backward Citations)
US3144868A
Cited
US4386179A
Cited
US4511354A
Cited
US4573966A
Cited
US4445892A
Cited
US4468216A
Cited
US4698059A
Cited
US5449343A
Cited
US4886496A
Cited
US5059178A
Cited
US5163906A
Cited
US4906244A
Cited
US4946466A
Cited
US4964409A
Cited
US5423742A
Cited
US5167239A
Cited
US5558644A
Cited
EP0531117B1
Cited
EP0577009A1
Cited
US5500180A
Cited
EP0592885A2
Cited
US5439000A
Cited
US5322508A
Cited
US5490838A
Cited
US5462529A
Cited
WO1995023619A1
Cited
US5556383A
Cited
WO1996012516A1
Cited
WO1996015824A1
Cited
EP0795340A2
Cited
WO1998003218A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2002-02-08 | 2002-08-10 | 2003-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-02-08 | 2006-08-10 | 2007-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-02-08 | 2010-08-10 | 2011-02-09 | $7700.00 | Window Closed / Lapsed |