Patent US2151127A successfully refreshed from Google Patents.
Patent US5370655A successfully refreshed from Google Patents.
US5370655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Angioplasty catheter
Assignee: Boston Scientific Scimed Inc
•
Filing: 1993-11-18
•
Granted: 1994-12-06
•
Expires: 2013-11-18
Abstract
Abstract An over-the-wire balloon catheter for use in angioplasty includes a dual lumen shaft formed by a multisection outer tube and a multisection inner tube. The outer tube includes a first thin wall outer tube section which is connected to a manifold at its proximal end. The outer tube also includes a second outer tube section which is attached to the distal end of the first outer tube section and which has a greater flexibility. The inner tube has a first thin wall inner tube section which extends generally coaxially through the first outer tube section and into the interior of the second outer tube section. The inner tube also includes a second thin wall inner tube section which is attached to the distal end of the first inner tube section and extends distally beyond the distal end of the outer tube. A balloon is attached to the distal ends of the outer and inner tubes. The inner tube sections have a coating of a low friction material, such as polyimide-polytetrafluoroethylene composite, on their inner walls to facilitate movement of a guide wire through the guide wire lumen of the inner tube.
Inventors
- 👤 Matthew M. Burns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:26
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/10; A61M25/104; A61M2025/0004; A61M25/0043; A61M25/0045; A61M2025/0046; A61M2025/0047; A61M2025/1043; A61M2025/1079
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
200 words
A balloon dilatation catheter assembly, comprising: a. a proximal metallic outer tube having a proximal end, a distal end and a lumen extending therethrough; b. a distal polymeric outer tube having a proximal end and a distal end, the proximal end of the distal polymeric outer tube connected to the distal end of the proximal metallic outer tube; c. an inflatable balloon having a proximal end, a distal end and an internal volume defined therein, the proximal end of the balloon connected to the distal end of the distal outer tube, wherein said lumen of said proximal metallic outer tube is in fluid communication with said internal volume of said balloon; d. a first polymeric inner tube having a proximal end and a distal end, the distal end of the first polymeric inner tube connected to the distal end of the balloon and extending proximally inside at least a portion of said distal polymeric outer tube; and, e. a second polymeric inner tube having a proximal end at least partially extending into the proximal outer tube, a distal end at least partially extending into the distal outer tube, the second polymeric inner tube connected to the first polymeric inner tube.
Claim 2
Dependent Claim
200 words
A balloon dilatation catheter assembly, comprising: a. a proximal metallic outer tube having a proximal end, a distal end and a lumen extending therethrough; b. a distal polymeric outer tube having a proximal end and a distal end, the proximal end of the distal polymeric outer tube connected to the distal end of the proximal metallic outer tube; c. an inflatable balloon having a proximal end, a distal end and an internal volume defined therein, the proximal end of the balloon connected to the distal end of the distal outer tube, wherein said lumen of said proximal metallic outer tube is in fluid communication with said internal volume of said balloon; d. a first polymeric inner tube having a proximal end and a distal end, the distal end of the first polymeric inner tube connected to the distal end of the balloon and extending proximally inside at least a portion of said distal polymeric outer tube; and, e. a second polymeric inner tube having a proximal end at least partially extending into the proximal outer tube, a distal end at least partially extending into the distal outer tube, the second polymeric inner tube connected to the first polymeric inner tube.
Claim 3
Dependent Claim
28 words
The balloon dilatation catheter of claim 1, further comprising means for securing the proximal end of said second polymeric inner tube relative to said proximal metallic outer tube.
Claim 4
Dependent Claim
17 words
The balloon dilatation catheter of claim 1, wherein said second polymeric inner tube is constructed from polyimide.
Claim 5
Dependent Claim
17 words
The balloon dilatation catheter of claim 3 wherein the distal outer polymeric tube is a polyethylene tube.
Claim 6
Dependent Claim
22 words
The dilatation catheter of claim 1, wherein said proximal metallic outer tube has a wall thickness of less than about 0.002 inches.
Claim 7
Dependent Claim
13 words
The dilatation catheter of claim 1, wherein said balloon is a polyimide balloon.
References Cited (Backward Citations)
US4456000A
Cited
US4496345A
Cited
GB2130093A
Cited
US4573470A
Cited
US4597755A
Cited
US4762129B1
Cited
US4762129A
Cited
US4917088A
Cited
US4921483A
Cited
US4729914A
Cited
US4646742A
Cited
US4846174A
Cited
EP0279958A1
Cited
US4798586A
Cited
US4820349A
Cited
WO1989002763A1
Cited
US4819751A
Cited
US4906241A
Cited
US4943278A
Cited
US4884573A
Cited
US4896670A
Cited
US4877031A
Cited
US4998923A
Cited
US4981478A
Cited
US4946466A
Cited
US4960410A
Cited
US5047045A
Cited
US4964409A
Cited
US4976690A
Cited
US5100381A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-12-05 | 1998-06-06 | 1998-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-12-05 | 2002-06-06 | 2002-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-12-05 | 2006-06-06 | 2006-12-06 | $7700.00 | Window Closed / Lapsed |