Patent US5722963A successfully refreshed from Google Patents.
US5722963A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coronary sinus catheter
Assignee: St Jude Medical Atrial Fibrillation Division Inc
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Filing: 1996-04-01
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Granted: 1998-03-03
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Expires: 2016-04-01
Abstract
Abstract A catheter for insertion in the ostium of the coronary sinus in the right atrium comprised of a main reinforced portion, an intermediate zone portion and a soft tip portion wherein a portion of the catheter is curved in a double curve, wherein the first curve is a first longitudinal curve, wherein the second curve is a second longitudinal curve, wherein the second longitudinal curve is curved in approximately the same direction as the first longitudinal curve and wherein the first and second longitudinal curves are generally coplanar.
Inventors
- 👤 Keith G. Lurie
- 👤 David G. Benditt
- 👤 Jeffrey J. Shultz
- 👤 John David Ockuly
- 👤 John J. Fleischhacker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:23
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/02; A61N1/04; A61N1/05; A61N1/056; A61M; A61M25/00; A61M25/0021; A61M25/0041; A61M25/0043; A61M25/0054; A61M25/0067; A61M25/008; A61M2025/0081
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
96 words
A catheter for use in a coronary sinus comprising an elongated member containing a generally straight proximal section and a curved distal section, wherein the distal section contains a first curve with a first arc and a second curve with a second arc, wherein the second curve is curved in substantially the same direction as the first curve, wherein the sum of the arcs of the first and second curves is from about 75° to 120°, when measured in relation to the generally straight proximal section, and wherein the first and second curves are substantially coplanar.
Claim 2
Dependent Claim
96 words
A catheter for use in a coronary sinus comprising an elongated member containing a generally straight proximal section and a curved distal section, wherein the distal section contains a first curve with a first arc and a second curve with a second arc, wherein the second curve is curved in substantially the same direction as the first curve, wherein the sum of the arcs of the first and second curves is from about 75° to 120°, when measured in relation to the generally straight proximal section, and wherein the first and second curves are substantially coplanar.
Claim 3
Dependent Claim
24 words
The catheter of claim 1 wherein the sum of the arcs of the first and second curves is from about 70° to about 110°.
Claim 4
Dependent Claim
24 words
The catheter of claim 1 wherein the sum of the arcs of the first and second curve is from about 75° to about 100°.
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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) | 2001-03-02 | 2001-09-01 | 2002-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-03-02 | 2005-09-01 | 2006-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-03-02 | 2009-09-01 | 2010-03-03 | $7700.00 | Window Closed / Lapsed |