US5497774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guiding introducer for left atrium
Assignee: St Jude Medical Atrial Fibrillation Division Inc
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Filing: 1993-11-03
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Granted: 1996-03-12
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Expires: 2013-11-03
Abstract
Abstract A guiding introducer for in the left atrium comprised of a first, second and third section wherein the first section is a generally elongated straight section wherein merged with the distal end of the first section is a second section which is curved in a compound curve, first curving upward in a first longitudinal curve and simultaneously curving to the right in a second longitudinal curve, wherein the second section merges with the third section wherein said third section is a third longitudinal curve wherein the plane of the third section is angled upward at an angle of approximately 25 to about 60 degrees from the plane of the first section and wherein substantially all of the third section is coplanar.
Inventors
- 👤 John F. Swartz
- 👤 John D. Ockuly
- 👤 John J. Fleischhacker
- 👤 James A. Hassett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:08
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/02; A61N1/04; A61N1/05; A61N1/056; A61N1/057; A61M; A61M25/00; A61M25/0021; A61M25/0041; A61M25/01; A61M25/0105; A61M25/0133; A61M25/06; A61M25/0662
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
118 words
A guiding introducer to be used in the left atrium of a human heart comprised of a first, second and third section wherein the first section is a generally elongated straight section, wherein merged with a distal end of said first section is the second section, wherein the second section is curved in a compound curve, curving in a first longitudinal curve and simultaneously curving in a second longitudinal curve wherein the second section merges with the third section, wherein said third section is a third longitudinal curve, wherein the third section is angled at an angle of approximately 40 to about 60 degrees from the first section, and wherein substantially all of said third section is coplanar.
Claim 2
Dependent Claim
118 words
A guiding introducer to be used in the left atrium of a human heart comprised of a first, second and third section wherein the first section is a generally elongated straight section, wherein merged with a distal end of said first section is the second section, wherein the second section is curved in a compound curve, curving in a first longitudinal curve and simultaneously curving in a second longitudinal curve wherein the second section merges with the third section, wherein said third section is a third longitudinal curve, wherein the third section is angled at an angle of approximately 40 to about 60 degrees from the first section, and wherein substantially all of said third section is coplanar.
Claim 3
Dependent Claim
20 words
The guiding introducer of claim 1 wherein a plurality of vents is provided near a distal tip of the introducer.
Claim 4
Dependent Claim
174 words
A guiding introducer to be used in the left atrium comprised of a first, second and third sections, wherein the first section is a generally elongated straight section, wherein merged with a distal end of said first section is the second section, wherein the second section is curved in a compound curve curving in a first longitudinal curve with a radius of from about 0.5 cm. to about 2.0 cm. for about 40 to 60 degrees of arc, and simultaneously curving in a second longitudinally curve containing a radius of from about 0.5 cm. to about 4.0 cm., wherein said second section is less than about 2.0 cm. in length, wherein distal end of said second section merges with the third section, wherein said third section is a third longitudinally curved section with a radius of from about 1.5 cm. to about 4.0 cm., wherein said third section is angled at an angle of approximately 40 to about 60 degrees from the first section, and wherein substantially all of said third section is coplanar.
Claim 5
Dependent Claim
174 words
A guiding introducer to be used in the left atrium comprised of a first, second and third sections, wherein the first section is a generally elongated straight section, wherein merged with a distal end of said first section is the second section, wherein the second section is curved in a compound curve curving in a first longitudinal curve with a radius of from about 0.5 cm. to about 2.0 cm. for about 40 to 60 degrees of arc, and simultaneously curving in a second longitudinally curve containing a radius of from about 0.5 cm. to about 4.0 cm., wherein said second section is less than about 2.0 cm. in length, wherein distal end of said second section merges with the third section, wherein said third section is a third longitudinally curved section with a radius of from about 1.5 cm. to about 4.0 cm., wherein said third section is angled at an angle of approximately 40 to about 60 degrees from the first section, and wherein substantially all of said third section is coplanar.
Claim 6
Dependent Claim
26 words
The guiding introducer of claim 3 wherein the third section is an arc of the third longitudinally curved section with a radius of about 35-55 degrees.
Claim 7
Dependent Claim
26 words
The guiding introducer of claim 3 wherein the third section is an arc of the third longitudinally curved section with a radius of about 40-45 degrees.
Claim 8
Dependent Claim
26 words
The guiding introducer of claim 3 wherein the third section is an arc of the third longitudinally curved section with a radius of about 80-100 degrees.
Claim 9
Dependent Claim
26 words
The guiding introducer of claim 3 wherein the third section is an arc of the third longitudinally curved section with a radius of about 85-95 degrees.
Claim 10
Dependent Claim
26 words
The guiding introducer of claim 3 wherein the third section is an arc of the third longitudinally curved section with a radius of about 125-145 degrees.
Claim 11
Dependent Claim
26 words
The guiding introducer of claim 3 wherein the third section is an arc of the third longitudinally curved section with a radius of about 130-140 degrees.
Claim 12
Dependent Claim
20 words
The guiding introducer of claim 3 wherein a plurality of vents is provided near a distal tip of the introducer.
Claim 13
Dependent Claim
120 words
A guiding introducer to be used in the left atrium of the human heart comprised of a first, second and third section, wherein the first section is a generally elongated straight section, wherein merged with a distal end of said first section is the second section, wherein the second section is curved in a compound curve curving in a first longitudinal curve and then simultaneously curving in a second longitudinal curve, wherein a distal end of the second section merges with the third section which is a third longitudinal curve, wherein said third section is angled in an angle of about 25 to about 45 degrees from the first section, and wherein substantially all of said third section is coplanar.
Claim 14
Dependent Claim
120 words
A guiding introducer to be used in the left atrium of the human heart comprised of a first, second and third section, wherein the first section is a generally elongated straight section, wherein merged with a distal end of said first section is the second section, wherein the second section is curved in a compound curve curving in a first longitudinal curve and then simultaneously curving in a second longitudinal curve, wherein a distal end of the second section merges with the third section which is a third longitudinal curve, wherein said third section is angled in an angle of about 25 to about 45 degrees from the first section, and wherein substantially all of said third section is coplanar.
Claim 15
Dependent Claim
20 words
The guiding introducer of claim 11 wherein a plurality of vents is provided near a distal tip of the introducer.
Claim 16
Dependent Claim
176 words
A guiding introducer to be used in the left atrium of the human heart comprised of a first, second and third sections wherein the first section is a generally elongated straight section, wherein merged with a distal end of said first section is the second section, wherein the second section is curved in a compound curve first curving in a first longitudinal curve with a radius of from about 0.5 cm. to about 2.0 cm. for about 40 to 60 degrees of arc and then simultaneously curving in a second longitudinal curve containing a radius of about 0.5 to about 4.0 cm., wherein said second section is less than about 2.0 cm. in length, wherein a distal end of the second section merges with the third section, which is a third longitudinally curved section with a radius of from about 1.5 cm. to about 4.0 cm., wherein the third section is angled at an angle of about 25 to about 45 degrees from the first section, and wherein substantially all of said third section is coplanar.
Claim 17
Dependent Claim
176 words
A guiding introducer to be used in the left atrium of the human heart comprised of a first, second and third sections wherein the first section is a generally elongated straight section, wherein merged with a distal end of said first section is the second section, wherein the second section is curved in a compound curve first curving in a first longitudinal curve with a radius of from about 0.5 cm. to about 2.0 cm. for about 40 to 60 degrees of arc and then simultaneously curving in a second longitudinal curve containing a radius of about 0.5 to about 4.0 cm., wherein said second section is less than about 2.0 cm. in length, wherein a distal end of the second section merges with the third section, which is a third longitudinally curved section with a radius of from about 1.5 cm. to about 4.0 cm., wherein the third section is angled at an angle of about 25 to about 45 degrees from the first section, and wherein substantially all of said third section is coplanar.
Claim 18
Dependent Claim
26 words
The guiding introducer of claim 13 wherein the third section is an arc of the third longitudinally curved section with a radius of about 170-190 degrees.
Claim 19
Dependent Claim
20 words
The guiding introducer of claim 13 wherein a plurality of vents is provided near a distal tip of the introducer.
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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) | 1999-03-12 | 1999-09-11 | 2000-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-03-12 | 2003-09-11 | 2004-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-03-12 | 2007-09-11 | 2008-03-12 | $7700.00 | Window Closed / Lapsed |