US5344400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balloon catheters containing molded polyarylenesulfide material
Assignee: Terumo Corp
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Filing: 1993-04-06
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Granted: 1994-09-06
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Expires: 2013-04-06
Abstract
Abstract A balloon catheter having a balloon which is produced by molding polyarylenesulfide or an alloy thereof wherein polyarylenesulfide is a main constituent, and the balloon is provided with excellent dimensional stability as well as sufficient softness and flexibility, leading to an improved trackability of the catheter to reach the target lesion.
Inventors
- 👤 Takashi Kaneko
- 👤 Toshinobu Ishida
- 👤 Akira Mochizuki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:51
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/10; A61M25/1027; A61M25/1029; A61L; A61L29/00; A61L29/04; A61L29/06; A61M25/1034; A61M25/1038; A61M2025/1043; A61M2025/1075
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
29 words
In a balloon catheter having an inflatable balloon, the improvement comprising: the balloon produced by molding a polyarylenesulfide or an alloy thereof wherein the polyarylenesulfide is a main constituent.
Claim 2
Dependent Claim
29 words
In a balloon catheter having an inflatable balloon, the improvement comprising: the balloon produced by molding a polyarylenesulfide or an alloy thereof wherein the polyarylenesulfide is a main constituent.
Claim 3
Dependent Claim
38 words
The improvement according to claim 1, wherein said balloon is fabricated by multi-layered extrusion molding using at least two materials selected from the group consisting of polyarylenesulfide, an alloy thereof, olefin polymer, an alloy thereof, and mixtures thereof.
Claim 4
Dependent Claim
37 words
The improvement according to claim 1, wherein said polyarylenesulfide is at least one selected from the group consisting of polyphenylenesulfide, polythioether ketone, polythioether thioether ketone, polythioether ketone ketone, polyether thioether, polythioether sulfone, polybiphenylene sulfide and polynaphthalene sulfide.
Claim 5
Dependent Claim
15 words
The improvement according to claim 1, wherein said polyarylenesulfide is a high molecular weight polyphenylenesulfide.
Claim 6
Dependent Claim
23 words
The improvement according to claim 1, wherein said balloon has a calculated modulus of elasticity of from 70 to 200 kg/mm 2 .
Claim 7
Dependent Claim
20 words
The improvement according to claim 1, wherein said balloon has a burst pressure of at least 10 kg/cm 2 .
Claim 8
Dependent Claim
14 words
The improvement according to claim 1, wherein said balloon has a film oriented biaxially.
References Cited (Backward Citations)
US3948823A
Cited
US3951789A
Cited
US4093484A
Cited
US4154244A
Cited
US4254774A
Cited
EP0349640B1
Cited
US4906244A
Cited
US5108415A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-09-05 | 1998-03-07 | 1998-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-09-05 | 2002-03-07 | 2002-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-09-05 | 2006-03-07 | 2006-09-06 | $7700.00 | Window Closed / Lapsed |