US5772641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overlapping welds for catheter constructions
Assignee: Jomed GmbH
•
Filing: 1995-12-12
•
Granted: 1998-06-30
•
Expires: 2015-12-12
Abstract
Abstract A catheter having at least two lengths of tubular material axially joined together by a welded joint with no perceptible change in diameter at the welded joint; the welded joint including a substantial axially oriented seam between the two lengths of material.
Inventors
- 👤 James C. Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:40
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/50; B29C66/51; B29C66/52; B29C66/522; B29C66/5223; A; A61; A61M; A61M25/00; A61M25/0009; A61M25/0043; B29C65/00; B29C65/02; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/116; B29C66/1162; B29C66/12; B29C66/128; B29C66/1282; B29C66/12821; B29C66/1284; B29C66/12841; B29C66/12842; B29C66/1286; B29C66/12861; B29C66/14; B29C66/5221; B29C66/54; B29C66/547; B29C66/5472; B29C66/70; B29C66/72; B29C66/723; A61M25/0021; A61M25/0041; A61M25/005; A61M25/0053; A61M25/0054; B29C66/112; B29C66/1122; B29C66/114; B29C66/1142; B29C66/71; B29C66/721; B29C66/7212; B29C66/7232; B29C66/72321; B29C66/73; B29C66/731; B29C66/7315; B29C66/73151; B29C66/73152; B29L; B29L2023/00; B29L2023/005; B29L2031/00; B29L2031/753; B29L2031/7542
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
107 words
A catheter having at least two adjacent lengths of tubular material axially overlapped and joined together by a welded joint, said lengths having substantially identical and uniform outer diameters at and adjacent the welded joint; the catheter having a continuous external peripheral surface and a lumen extending along a longitudinal axis, and the welded joint including a seam on said external peripheral surface, at least a portion of said seam extending parallel to said longitudinal axis in between the two lengths of material such that each of said at least two adjacent lengths form substantially half of the peripheral surface of the catheter along the welded joint.
Claim 2
Dependent Claim
107 words
A catheter having at least two adjacent lengths of tubular material axially overlapped and joined together by a welded joint, said lengths having substantially identical and uniform outer diameters at and adjacent the welded joint; the catheter having a continuous external peripheral surface and a lumen extending along a longitudinal axis, and the welded joint including a seam on said external peripheral surface, at least a portion of said seam extending parallel to said longitudinal axis in between the two lengths of material such that each of said at least two adjacent lengths form substantially half of the peripheral surface of the catheter along the welded joint.
Claim 3
Dependent Claim
27 words
The catheter of claim 1 wherein said axially oriented external seam is flanked on either side thereof by radial portions extending substantially perpendicular to said longitudinal axis.
Claim 4
Dependent Claim
23 words
The catheter of claim 1 wherein said axially oriented seam is connected into a pair of axial sections divided by a radial portion.
Claim 5
Dependent Claim
34 words
The catheter of claim 1 wherein said axially oriented external seam is parallel to said longitudinal axis and is flanked at either end thereof by inclined portions extending angularly relative to said longitudinal axis.
Claim 6
Dependent Claim
16 words
The catheter of claim 1 wherein said two lengths of tubular material comprise two different materials.
Claim 7
Dependent Claim
15 words
The catheter of claim 1 wherein said two lengths of tubular material have different durometers.
Claim 8
Dependent Claim
18 words
The catheter of claim 6 wherein said two lengths of tubular material are constructed of the same material.
Claim 9
Dependent Claim
15 words
The catheter of claim 1 wherein said two lengths of tubular material are color coded.
Claim 10
Dependent Claim
60 words
A catheter having a peripheral surface and a lumen extending along a longitudinal axis and at least two lengths of tubular material axially joined by a welded joint, said at least two lengths having substantially identical outer diameters, said welded joint having a seam portion along said peripheral surface parallel to said longitudinal axis at least 0.5 cm in length.
Claim 11
Dependent Claim
60 words
A catheter having a peripheral surface and a lumen extending along a longitudinal axis and at least two lengths of tubular material axially joined by a welded joint, said at least two lengths having substantially identical outer diameters, said welded joint having a seam portion along said peripheral surface parallel to said longitudinal axis at least 0.5 cm in length.
Claim 12
Dependent Claim
20 words
The catheter of claim 9 wherein said axial length component has a length of between 0.5 and about 10 cm.
Claim 13
Dependent Claim
18 words
The catheter of claim 10 wherein said two lengths of tubular material comprise different resins having dissimilar durometers.
Claim 14
Dependent Claim
28 words
The catheter of claim 11 wherein said two lengths of tubular material comprise an outer layer of said catheter and wherein said catheter includes a reinforced inner liner.
Claim 15
Dependent Claim
90 words
A catheter having a peripheral surface and a lumen extending along a longitudinal axis and having at least two lengths of tubular material axially joined together by a welded joint defined by an external seam on said peripheral surface, a portion of said seam extending parallel to said longitudinal axis wherein adjacent sections partially overlap in an axial direction but without change in said outer diameters in the partially overlapped area, and wherein a ratio of weld axial length to said radial depth is from about 3:1 to about 40:1.
Claim 16
Dependent Claim
90 words
A catheter having a peripheral surface and a lumen extending along a longitudinal axis and having at least two lengths of tubular material axially joined together by a welded joint defined by an external seam on said peripheral surface, a portion of said seam extending parallel to said longitudinal axis wherein adjacent sections partially overlap in an axial direction but without change in said outer diameters in the partially overlapped area, and wherein a ratio of weld axial length to said radial depth is from about 3:1 to about 40:1.
Claim 17
Dependent Claim
136 words
An intravascular catheter having a peripheral surface and a lumen extending along a longitudinal axis which comprises: a flexible, plastic inner tube; a fibrous, tubular reinforcement member carried by said inner tube and an outer tube; and an outer tube of substantially constant outer diameter including a first axial section comprising a first plastic material overlying said inner tube and reinforcement member; a second axial section comprising a second plastic material having different physical properties from said first plastic material and overlying said inner tube and reinforcement member, wherein said first and second axial sections are substantial mirror images of each other; and a welded joint between said first and second axial sections, said welded joint including a seam portion on said peripheral surface at least 0.5 cm in length extending parallel to said longitudinal axis.
Claim 18
Dependent Claim
136 words
An intravascular catheter having a peripheral surface and a lumen extending along a longitudinal axis which comprises: a flexible, plastic inner tube; a fibrous, tubular reinforcement member carried by said inner tube and an outer tube; and an outer tube of substantially constant outer diameter including a first axial section comprising a first plastic material overlying said inner tube and reinforcement member; a second axial section comprising a second plastic material having different physical properties from said first plastic material and overlying said inner tube and reinforcement member, wherein said first and second axial sections are substantial mirror images of each other; and a welded joint between said first and second axial sections, said welded joint including a seam portion on said peripheral surface at least 0.5 cm in length extending parallel to said longitudinal axis.
Claim 19
Dependent Claim
89 words
A catheter having a peripheral surface and a lumen extending along a longitudinal axis and having at least two longitudinally overlapped lengths of tubular material axially joined together by a welded joint, said lengths having substantially identical outer diameters, and wherein said lengths are substantially mirror images of each other in areas corresponding to said welded joint, and further wherein said lengths are joined along external seams on said peripheral surface, at least one of said seams having a portion extending parallel to said longitudinal axis of said lumen.
Claim 20
Dependent Claim
89 words
A catheter having a peripheral surface and a lumen extending along a longitudinal axis and having at least two longitudinally overlapped lengths of tubular material axially joined together by a welded joint, said lengths having substantially identical outer diameters, and wherein said lengths are substantially mirror images of each other in areas corresponding to said welded joint, and further wherein said lengths are joined along external seams on said peripheral surface, at least one of said seams having a portion extending parallel to said longitudinal axis of said lumen.
References Cited (Backward Citations)
US3962153A
Cited
US3924632A
Cited
US3945867A
Cited
US3965909A
Cited
US4052989A
Cited
US4044765A
Cited
US4323071A
Cited
US4323071B1
Cited
US4305983A
Cited
US4347204A
Cited
US4391302A
Cited
US4321226A
Cited
GB2043201A
Cited
US4447239A
Cited
US4385635A
Cited
US4430283A
Cited
US4430083A
Cited
GB2101680A
Cited
US4662404A
Cited
US4425919A
Cited
US4402684A
Cited
US4899787A
Cited
US4690175A
Cited
US4516972A
Cited
US4665604A
Cited
US4430282A
Cited
US4517247A
Cited
US4464176A
Cited
US4563181A
Cited
US4596563A
Cited
US4531943A
Cited
US4577543A
Cited
US4764324A
Cited
US4842590A
Cited
US4636346A
Cited
GB2156680A
Cited
US4547193A
Cited
US4580790A
Cited
US4648892A
Cited
US4627844A
Cited
US4886506A
Cited
US4793351A
Cited
US4817613A
Cited
US4863442A
Cited
US4813930A
Cited
US4836872A
Cited
US4861337A
Cited
US5078702A
Cited
EP0334640A2
Cited
US4925710A
Cited
US4898702A
Cited
US4961731A
Cited
US4898591A
Cited
US4904431A
Cited
US5105819A
Cited
US5037404A
Cited
US5441489A
Cited
US5312356A
Cited
US5171232B1
Cited
US5171232A
Cited
US5005587A
Cited
US5049138A
Cited
US5057092A
Cited
US5147315A
Cited
US5207960A
Cited
US5156155A
Cited
US5279596A
Cited
US5160559A
Cited
US5254107A
Cited
US5234416A
Cited
US5221270A
Cited
US5308342A
Cited
US5221271A
Cited
US5318032A
Cited
US5387199A
Cited
US5584821A
Cited
US5358493A
Cited
US5336205A
Cited
US5401257A
Cited
US5348536A
Cited
WO1995013110A1
Cited
US5445624A
Cited
US5571073A
Cited
US5403292A
Cited
US5542937A
Cited
US5545151A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-06-29 | 2001-12-29 | 2002-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-06-29 | 2005-12-29 | 2006-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-06-29 | 2009-12-29 | 2010-06-30 | $7700.00 | Window Closed / Lapsed |