Patent US4270531A successfully refreshed from Google Patents.
US6146338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for deflecting a catheter or lead
Assignee: Medtronic Inc
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Filing: 1999-04-23
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Granted: 2000-11-14
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Expires: 2019-04-23
Abstract
Abstract A deflectable stylet or guidewire formed of an elongated tube having a coil mounted to its distal end and a movable tension or push wire mounted within the coil and the tube, mechanically coupled to the distal end of the coil. A backbone is located within the coil, mechanically coupled to the proximal and distal ends of the coil and extending along one side of the coil. The backbone may be provided with projections extending laterally between adjacent turns of the coil and may have a generally arcuate cross section having a width greater than its arc height. In some embodiments the backbone may be formed from a tube having a slot extending longitudinally along one side thereof. In some embodiments the backbone may be attached to the coil at points between the proximal and distal ends of the coil.
Inventors
- 👤 Kenneth C. Gardeski
- 👤 Corinne A. G. Poor
- 👤 David Lipson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:10
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/01; A61M25/0105; A61M25/0133; A61M25/0138; A61M25/0144; A61M25/0147; A61B; A61B1/00; A61B1/005; A61B1/0051; A61M25/0009
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
89 words
A deflectable stylet or guidewire, comprising: an elongated tubular member having proximal and distal ends; a coil having proximal and distal ends and mounted to the distal end of the tubular member; a longitudinally movable wire mounted within the coil and tubular member, mechanically coupled to the distal end of the coil; and a backbone located within the coil, mechanically coupled to the proximal and distal ends of the coil, extending along one side of the coil and provided with projections extending laterally between adjacent turns of the coil.
Claim 2
Dependent Claim
89 words
A deflectable stylet or guidewire, comprising: an elongated tubular member having proximal and distal ends; a coil having proximal and distal ends and mounted to the distal end of the tubular member; a longitudinally movable wire mounted within the coil and tubular member, mechanically coupled to the distal end of the coil; and a backbone located within the coil, mechanically coupled to the proximal and distal ends of the coil, extending along one side of the coil and provided with projections extending laterally between adjacent turns of the coil.
Claim 3
Dependent Claim
94 words
A deflectable stylet or guidewire, comprising: an elongated tubular member having proximal and distal ends; a coil having proximal and distal ends and mounted to the distal end of the tubular member; a longitudinally movable wire mounted within the coil and tubular member, mechanically coupled to the distal end of the coil; and a backbone located within the coil, extending along one side of the coil and mechanically coupled to the proximal and distal ends of the coil, the backbone having a generally arcuate cross section having a width greater than its arc height.
Claim 4
Dependent Claim
94 words
A deflectable stylet or guidewire, comprising: an elongated tubular member having proximal and distal ends; a coil having proximal and distal ends and mounted to the distal end of the tubular member; a longitudinally movable wire mounted within the coil and tubular member, mechanically coupled to the distal end of the coil; and a backbone located within the coil, extending along one side of the coil and mechanically coupled to the proximal and distal ends of the coil, the backbone having a generally arcuate cross section having a width greater than its arc height.
Claim 5
Dependent Claim
23 words
A stylet or guidewire according to claim 2 wherein the backbone is provided with projections extending laterally between adjacent turns of the coil.
Claim 6
Dependent Claim
33 words
A stylet or guidewire according to any of claims 2 to 3 wherein the backbone is mechanically coupled to individual turns of the coil intermediate the proximal and distal ends of the coil.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2003-11-14 | 2004-05-15 | 2004-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-11-14 | 2008-05-15 | 2008-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-11-14 | 2012-05-15 | 2012-11-14 | $7700.00 | Window Closed / Lapsed |