US5682894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guide wire
Assignee: Medtronic Inc
•
Filing: 1996-04-26
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Granted: 1997-11-04
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Expires: 2016-04-26
Abstract
Abstract The present invention is for a guide wire with an improved flexible distal section with both a radiolucent coil and radiopaque coil. The guide wire comprising a core wire having a proximal end and a distal end, the proximal end of the core wire having a first diameter and the distal end having one or more reduced diameters, a radiolucent coil surrounding the reduced diameter of the core wire, the radiolucent coil having a proximal end and a distal end, the radiolucent coil having a length that is shorter than the reduced diameter of the core wire, the proximal end of the radiolucent coil being fixedly mounted to the proximal end of the reduced diameter of the core wire, a radiopaque coil surrounding the reduced diameter of the core wire, the radiopaque coil having a proximal end and a distal end, the radiopaque coil having a length that is shorter than the reduced diameter of the core wire such that the total length of the radiolucent coil and the radiopaque coil added together are approximately the same length as the reduced diameter of the core wire, the proximal end of the radiopaque coil being concentrically welded to the distal end of the radiolucent coil, the distal end of the radiopaque coil being welded to the distal end of the reduced diameter of the core wire forming a tip ball and a spring brace located distal of the welded connection between the radiolucent coil and the radiopaque coil, the spring brace attaching the radiopaque coil to the reduced diameter of the core wire.
Inventors
- 👤 Gregory C. Orr
- 👤 Scott J. Solano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:28
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/01; A61M25/09; A61M2025/09166; A61M2025/09175
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
252 words
A guide wire comprising: (a) a core wire having a proximal end and a distal end, the proximal end of the core wire having a first diameter and the distal end having one or more reduced diameters; (b) a radiolucent coil surrounding the reduced diameter of the core wire, the radiolucent coil having a proximal end and a distal end, the radiolucent coil having a length that is shorter than the length of the reduced diameter of the core wire, the proximal end of the radiolucent coil being fixedly mounted to the proximal end of the reduced diameter of the core wire; (c) a radiopaque coil surrounding the reduced diameter of the core wire, the radiopaque coil having a proximal end and a distal end, the radiopaque coil having a length that is shorter than the length of the reduced diameter of the core wire such that the total length of the radiolucent coil and the radiopaque coil added together are approximately the same length as the reduced diameter of the core wire, the proximal end of the radiopaque coil being concentrically welded to the distal end of the radiolucent coil, the distal end of the radiopaque coil being welded to the distal end of the reduced diameter of the core wire forming a tip ball; and (d) a welded spring brace located distal of the welded connection between the radiolucent coil and the radiopaque coil, the welded spring brace attaching the radiopaque coil to the reduced diameter of the core wire.
Claim 2
Dependent Claim
252 words
A guide wire comprising: (a) a core wire having a proximal end and a distal end, the proximal end of the core wire having a first diameter and the distal end having one or more reduced diameters; (b) a radiolucent coil surrounding the reduced diameter of the core wire, the radiolucent coil having a proximal end and a distal end, the radiolucent coil having a length that is shorter than the length of the reduced diameter of the core wire, the proximal end of the radiolucent coil being fixedly mounted to the proximal end of the reduced diameter of the core wire; (c) a radiopaque coil surrounding the reduced diameter of the core wire, the radiopaque coil having a proximal end and a distal end, the radiopaque coil having a length that is shorter than the length of the reduced diameter of the core wire such that the total length of the radiolucent coil and the radiopaque coil added together are approximately the same length as the reduced diameter of the core wire, the proximal end of the radiopaque coil being concentrically welded to the distal end of the radiolucent coil, the distal end of the radiopaque coil being welded to the distal end of the reduced diameter of the core wire forming a tip ball; and (d) a welded spring brace located distal of the welded connection between the radiolucent coil and the radiopaque coil, the welded spring brace attaching the radiopaque coil to the reduced diameter of the core wire.
Claim 3
Dependent Claim
18 words
The guide wire of claim 1 wherein the radiolucent coil and the radiopaque coil have the same flexibility.
Claim 4
Dependent Claim
252 words
A guide wire comprising: (a) a core wire having a proximal end and a distal end, the proximal end of the core wire having a first diameter and the distal end having one or more reduced diameters; (b) a radiolucent coil surrounding the reduced diameter of the core wire, the radiolucent coil having a proximal end and a distal end, the radiolucent coil having a length that is shorter than the length of the reduced diameter of the core wire, the proximal end of the radiolucent coil being fixedly mounted to the proximal end of the reduced diameter of the core wire; (c) a radiopaque coil surrounding the reduced diameter of the core wire, the radiopaque coil having a proximal end and a distal end, the radiopaque coil having a length that is shorter than the length of the reduced diameter of the core wire such that the total length of the radiolucent coil and the radiopaque coil added together are approximately the same length as the reduced diameter of the core wire, the proximal end of the radiopaque coil being concentrically welded to the distal end of the radiolucent coil, the distal end of the radiopaque coil being welded to the distal end of the reduced diameter of the core wire forming a tip ball; and (d) a welded spring brace located proximal of the welded connection between the radiolucent coil and the radiopaque coil, the welded spring brace attaching the radiolucent coil to the reduced diameter of the core wire.
Claim 5
Dependent Claim
252 words
A guide wire comprising: (a) a core wire having a proximal end and a distal end, the proximal end of the core wire having a first diameter and the distal end having one or more reduced diameters; (b) a radiolucent coil surrounding the reduced diameter of the core wire, the radiolucent coil having a proximal end and a distal end, the radiolucent coil having a length that is shorter than the length of the reduced diameter of the core wire, the proximal end of the radiolucent coil being fixedly mounted to the proximal end of the reduced diameter of the core wire; (c) a radiopaque coil surrounding the reduced diameter of the core wire, the radiopaque coil having a proximal end and a distal end, the radiopaque coil having a length that is shorter than the length of the reduced diameter of the core wire such that the total length of the radiolucent coil and the radiopaque coil added together are approximately the same length as the reduced diameter of the core wire, the proximal end of the radiopaque coil being concentrically welded to the distal end of the radiolucent coil, the distal end of the radiopaque coil being welded to the distal end of the reduced diameter of the core wire forming a tip ball; and (d) a welded spring brace located proximal of the welded connection between the radiolucent coil and the radiopaque coil, the welded spring brace attaching the radiolucent coil to the reduced diameter of the core wire.
Claim 6
Dependent Claim
18 words
The guide wire of claim 3 wherein the radiolucent coil and the radiopaque coil have the same flexibility.
Claim 7
Dependent Claim
268 words
A guide wire comprising: (a) a core wire having a proximal end and a distal end, the proximal end of the core wire having a first diameter and the distal end having one or more reduced diameters; (b) a radiolucent coil surrounding the reduced diameter of the core wire, the radiolucent coil having a proximal end and a distal end, the radiolucent coil having a length that is shorter than the length of the reduced diameter of the core wire, the proximal end of the radiolucent coil being fixedly mounted to the proximal end of the reduced diameter of the core wire; (c) a radiopaque coil surrounding the reduced diameter of the core wire, the radiopaque coil having a proximal end and a distal end, the radiopaque coil having a length that is shorter than the length of the reduced diameter of the core wire such that the total length of the radiolucent coil and the radiopaque coil added together is longer than the length of the reduced diameter of the core wire, the proximal end of the radiopaque coil being concentrically welded to the distal end of the radiolucent coil; (d) a forming wire having a proximal end and a distal end, the distal end of the forming wire being welded to the distal end of the radiopaque coil forming a tip ball; and (e) a welded spring brace located distal of the welded connection between the radiolucent coil and the radiopaque coil, the welded spring brace attaching the radiopaque coil with the reduced diameter of the core wire and the proximal end of the forming wire.
Claim 8
Dependent Claim
268 words
A guide wire comprising: (a) a core wire having a proximal end and a distal end, the proximal end of the core wire having a first diameter and the distal end having one or more reduced diameters; (b) a radiolucent coil surrounding the reduced diameter of the core wire, the radiolucent coil having a proximal end and a distal end, the radiolucent coil having a length that is shorter than the length of the reduced diameter of the core wire, the proximal end of the radiolucent coil being fixedly mounted to the proximal end of the reduced diameter of the core wire; (c) a radiopaque coil surrounding the reduced diameter of the core wire, the radiopaque coil having a proximal end and a distal end, the radiopaque coil having a length that is shorter than the length of the reduced diameter of the core wire such that the total length of the radiolucent coil and the radiopaque coil added together is longer than the length of the reduced diameter of the core wire, the proximal end of the radiopaque coil being concentrically welded to the distal end of the radiolucent coil; (d) a forming wire having a proximal end and a distal end, the distal end of the forming wire being welded to the distal end of the radiopaque coil forming a tip ball; and (e) a welded spring brace located distal of the welded connection between the radiolucent coil and the radiopaque coil, the welded spring brace attaching the radiopaque coil with the reduced diameter of the core wire and the proximal end of the forming wire.
Claim 9
Dependent Claim
18 words
The guide wire of claim 5 wherein the radiolucent coil and the radiopaque coil have the same flexibility.
Claim 10
Dependent Claim
268 words
A guide wire comprising: (a) a core wire having a proximal end and a distal end, the proximal end of the core wire having a first diameter and the distal end having one or more reduced diameters; (b) a radiolucent coil surrounding the reduced diameter of the core wire, the radiolucent coil having a proximal end and a distal end, the radiolucent coil having a length that is shorter than the length of the reduced diameter of the core wire, the proximal end of the radiolucent coil being fixedly mounted to the proximal end of the reduced diameter of the core wire; (c) a radiopaque coil surrounding the reduced diameter of the core wire, the radiopaque coil having a proximal end and a distal end, the radiopaque coil having a length that is shorter than the length of the reduced diameter of the core wire such that the total length of the radiolucent coil and the radiopaque coil added together is longer than the length of the reduced diameter of the core wire, the proximal end of the radiopaque coil being concentrically welded to the distal end of the radiolucent coil; (d) a forming wire having a proximal end and a distal end, the distal end of the forming wire being welded to the distal end of the radiopaque coil forming a tip ball; and (e) a welded spring brace located proximal of the welded connection between the radiolucent coil and the radiopaque coil, the welded spring brace attaching the radiolucent coil with the reduced diameter of the core wire and the proximal end of the forming wire.
Claim 11
Dependent Claim
268 words
A guide wire comprising: (a) a core wire having a proximal end and a distal end, the proximal end of the core wire having a first diameter and the distal end having one or more reduced diameters; (b) a radiolucent coil surrounding the reduced diameter of the core wire, the radiolucent coil having a proximal end and a distal end, the radiolucent coil having a length that is shorter than the length of the reduced diameter of the core wire, the proximal end of the radiolucent coil being fixedly mounted to the proximal end of the reduced diameter of the core wire; (c) a radiopaque coil surrounding the reduced diameter of the core wire, the radiopaque coil having a proximal end and a distal end, the radiopaque coil having a length that is shorter than the length of the reduced diameter of the core wire such that the total length of the radiolucent coil and the radiopaque coil added together is longer than the length of the reduced diameter of the core wire, the proximal end of the radiopaque coil being concentrically welded to the distal end of the radiolucent coil; (d) a forming wire having a proximal end and a distal end, the distal end of the forming wire being welded to the distal end of the radiopaque coil forming a tip ball; and (e) a welded spring brace located proximal of the welded connection between the radiolucent coil and the radiopaque coil, the welded spring brace attaching the radiolucent coil with the reduced diameter of the core wire and the proximal end of the forming wire.
Claim 12
Dependent Claim
18 words
The guide wire of claim 7 wherein the radiolucent coil and the radiopaque coil have the same flexibility.
Claim 13
Dependent Claim
263 words
A guide wire comprising: (a) a core wire having a proximal end and a distal end, the proximal end of the core wire having a first diameter and the distal end having one or more reduced diameters; (b) a radiolucent coil surrounding the reduced diameter of the core wire, the radiolucent coil having a proximal end and a distal end, the radiolucent coil having a length that is shorter than the length of the reduced diameter of the core wire, the proximal end of the radiolucent coil being fixedly mounted to the proximal end of the reduced diameter of the core wire; (c) a radiopaque coil surrounding the reduced diameter of the core wire, the radiopaque coil having a proximal end and a distal end, the radiopaque coil and the radiolucent coil having the same flexibility, the radiopaque coil having a length that is shorter than the length of the reduced diameter of the core wire such that the total length of the radiolucent coil and the radiopaque coil added together are approximately the same length as the reduced diameter of the core wire, the proximal end of the radiopaque coil being concentrically welded to the distal end of the radiolucent coil, the distal end of the radiopaque coil being welded to the distal end of the reduced diameter of the core wire forming a tip ball; and (d) a welded spring brace located distal of the welded connection between the radiolucent coil and the radiopaque coil, the welded spring brace attaching the radiopaque coil to the reduced diameter of the core wire.
Claim 14
Dependent Claim
263 words
A guide wire comprising: (a) a core wire having a proximal end and a distal end, the proximal end of the core wire having a first diameter and the distal end having one or more reduced diameters; (b) a radiolucent coil surrounding the reduced diameter of the core wire, the radiolucent coil having a proximal end and a distal end, the radiolucent coil having a length that is shorter than the length of the reduced diameter of the core wire, the proximal end of the radiolucent coil being fixedly mounted to the proximal end of the reduced diameter of the core wire; (c) a radiopaque coil surrounding the reduced diameter of the core wire, the radiopaque coil having a proximal end and a distal end, the radiopaque coil and the radiolucent coil having the same flexibility, the radiopaque coil having a length that is shorter than the length of the reduced diameter of the core wire such that the total length of the radiolucent coil and the radiopaque coil added together are approximately the same length as the reduced diameter of the core wire, the proximal end of the radiopaque coil being concentrically welded to the distal end of the radiolucent coil, the distal end of the radiopaque coil being welded to the distal end of the reduced diameter of the core wire forming a tip ball; and (d) a welded spring brace located distal of the welded connection between the radiolucent coil and the radiopaque coil, the welded spring brace attaching the radiopaque coil to the reduced diameter of the core wire.
Claim 15
Dependent Claim
263 words
A guide wire comprising: (a) a core wire having a proximal end and a distal end, the proximal end of the core wire having a first diameter and the distal end having one or more reduced diameters; (b) a radiolucent coil surrounding the reduced diameter of the core wire, the radiolucent coil having a proximal end and a distal end, the radiolucent coil having a length that is shorter than the length of the reduced diameter of the core wire, the proximal end of the radiolucent coil being fixedly mounted to the proximal end of the reduced diameter of the core wire; (c) a radiopaque coil surrounding the reduced diameter of the core wire, the radiopaque coil having a proximal end and a distal end, the radiopaque coil and the radiolucent coil having the same flexibility, the radiopaque coil having a length that is shorter than the length of the reduced diameter of the core wire such that the total length of the radiolucent coil and the radiopaque coil added together are approximately the same length as the reduced diameter of the core wire, the proximal end of the radiopaque coil being concentrically welded to the distal end of the radiolucent coil, the distal end of the radiopaque coil being welded to the distal end of the reduced diameter of the core wire forming a tip ball; and (d) a welded spring brace located proximal of the welded connection between the radiolucent coil and the radiopaque coil, the welded spring brace attaching the radiolucent coil to the reduced diameter of the core wire.
Claim 16
Dependent Claim
263 words
A guide wire comprising: (a) a core wire having a proximal end and a distal end, the proximal end of the core wire having a first diameter and the distal end having one or more reduced diameters; (b) a radiolucent coil surrounding the reduced diameter of the core wire, the radiolucent coil having a proximal end and a distal end, the radiolucent coil having a length that is shorter than the length of the reduced diameter of the core wire, the proximal end of the radiolucent coil being fixedly mounted to the proximal end of the reduced diameter of the core wire; (c) a radiopaque coil surrounding the reduced diameter of the core wire, the radiopaque coil having a proximal end and a distal end, the radiopaque coil and the radiolucent coil having the same flexibility, the radiopaque coil having a length that is shorter than the length of the reduced diameter of the core wire such that the total length of the radiolucent coil and the radiopaque coil added together are approximately the same length as the reduced diameter of the core wire, the proximal end of the radiopaque coil being concentrically welded to the distal end of the radiolucent coil, the distal end of the radiopaque coil being welded to the distal end of the reduced diameter of the core wire forming a tip ball; and (d) a welded spring brace located proximal of the welded connection between the radiolucent coil and the radiopaque coil, the welded spring brace attaching the radiolucent coil to the reduced diameter of the core wire.
Claim 17
Dependent Claim
279 words
A guide wire comprising: (a) a core wire having a proximal end and a distal end, the proximal end of the core wire having a first diameter and the distal end having one or more reduced diameters; (b) a radiolucent coil surrounding the reduced diameter of the core wire, the radiolucent coil having a proximal end and a distal end, the radiolucent coil having a length that is shorter than the length of the reduced diameter of the core wire, the proximal end of the radiolucent coil being fixedly mounted to the proximal end of the reduced diameter of the core wire; (c) a radiopaque coil surrounding the reduced diameter of the core wire, the radiopaque coil having a proximal end and a distal end, the radiopaque coil and the radiolucent coil having the same flexibility, the radiopaque coil having a length that is shorter than the length of the reduced diameter of the core wire such that the total length of the radiolucent coil and the radiopaque coil added together is longer than the length of the reduced diameter of the core wire, the proximal end of the radiopaque coil being concentrically welded to the distal end of the radiolucent coil; (d) a forming wire having a proximal end and a distal end, the distal end of the forming wire being welded to the distal end of the radiopaque coil forming a tip ball; and (e) a welded spring brace located distal of the welded connection between the radiolucent coil and the radiopaque coil, the welded spring brace attaching the radiopaque coil with the reduced diameter of the core wire and the proximal end of the forming wire.
Claim 18
Dependent Claim
279 words
A guide wire comprising: (a) a core wire having a proximal end and a distal end, the proximal end of the core wire having a first diameter and the distal end having one or more reduced diameters; (b) a radiolucent coil surrounding the reduced diameter of the core wire, the radiolucent coil having a proximal end and a distal end, the radiolucent coil having a length that is shorter than the length of the reduced diameter of the core wire, the proximal end of the radiolucent coil being fixedly mounted to the proximal end of the reduced diameter of the core wire; (c) a radiopaque coil surrounding the reduced diameter of the core wire, the radiopaque coil having a proximal end and a distal end, the radiopaque coil and the radiolucent coil having the same flexibility, the radiopaque coil having a length that is shorter than the length of the reduced diameter of the core wire such that the total length of the radiolucent coil and the radiopaque coil added together is longer than the length of the reduced diameter of the core wire, the proximal end of the radiopaque coil being concentrically welded to the distal end of the radiolucent coil; (d) a forming wire having a proximal end and a distal end, the distal end of the forming wire being welded to the distal end of the radiopaque coil forming a tip ball; and (e) a welded spring brace located distal of the welded connection between the radiolucent coil and the radiopaque coil, the welded spring brace attaching the radiopaque coil with the reduced diameter of the core wire and the proximal end of the forming wire.
Claim 19
Dependent Claim
279 words
A guide wire comprising: (a) a core wire having a proximal end and a distal end, the proximal end of the core wire having a first diameter and the distal end having one or more reduced diameters; (b) a radiolucent coil surrounding the reduced diameter of the core wire, the radiolucent coil having a proximal end and a distal end, the radiolucent coil having a length that is shorter than the length of the reduced diameter of the core wire, the proximal end of the radiolucent coil being fixedly mounted to the proximal end of the reduced diameter of the core wire; (c) a radiopaque coil surrounding the reduced diameter of the core wire, the radiopaque coil having a proximal end and a distal end, the radiopaque coil and the radiolucent coil having the same flexibility, the radiopaque coil having a length that is shorter than the length of the reduced diameter of the core wire such that the total length of the radiolucent coil and the radiopaque coil added together is longer than the length of the reduced diameter of the core wire, the proximal end of the radiopaque coil being concentrically welded to the distal end of the radiolucent coil; (d) a forming wire having a proximal end and a distal end, the distal end of the forming wire being welded to the distal end of the radiopaque coil forming a tip ball; and (e) a welded spring brace located proximal of the welded connection between the radiolucent coil and the radiopaque coil, the welded spring brace attaching the radiolucent coil with the reduced diameter of the core wire and the proximal end of the forming wire.
Claim 20
Dependent Claim
279 words
A guide wire comprising: (a) a core wire having a proximal end and a distal end, the proximal end of the core wire having a first diameter and the distal end having one or more reduced diameters; (b) a radiolucent coil surrounding the reduced diameter of the core wire, the radiolucent coil having a proximal end and a distal end, the radiolucent coil having a length that is shorter than the length of the reduced diameter of the core wire, the proximal end of the radiolucent coil being fixedly mounted to the proximal end of the reduced diameter of the core wire; (c) a radiopaque coil surrounding the reduced diameter of the core wire, the radiopaque coil having a proximal end and a distal end, the radiopaque coil and the radiolucent coil having the same flexibility, the radiopaque coil having a length that is shorter than the length of the reduced diameter of the core wire such that the total length of the radiolucent coil and the radiopaque coil added together is longer than the length of the reduced diameter of the core wire, the proximal end of the radiopaque coil being concentrically welded to the distal end of the radiolucent coil; (d) a forming wire having a proximal end and a distal end, the distal end of the forming wire being welded to the distal end of the radiopaque coil forming a tip ball; and (e) a welded spring brace located proximal of the welded connection between the radiolucent coil and the radiopaque coil, the welded spring brace attaching the radiolucent coil with the reduced diameter of the core wire and the proximal end of the forming wire.
References Cited (Backward Citations)
US3789841A
Cited
US4003369A
Cited
US4554929A
Cited
EP0142330A2
Cited
US4538622A
Cited
USRE34695E
Cited
US4867173A
Cited
US4763647A
Cited
US4757827A
Cited
US4922924A
Cited
US5147317A
Cited
US5345945A
Cited
US5234003A
Cited
US5353808A
Cited
US5341818A
Cited
US5409015A
Cited
US5460187A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 2000-11-03 | 2001-05-05 | 2001-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-11-03 | 2005-05-05 | 2005-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-11-03 | 2009-05-05 | 2009-11-04 | $7700.00 | Window Closed / Lapsed |