US5814028A
Expired / Lapsed
US
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Curved guiding introducers for cardiac access
Assignee: St Jude Medical Atrial Fibrillation Division Inc
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Filing: 1996-10-23
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Granted: 1998-09-29
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Expires: 2016-10-23
Abstract
Abstract Disclosed are shapes for guiding introducers to be used for the ablation and/or mapping of the discrete tracks within the left and right atrium.
Inventors
- 👤 John F. Swartz
- 👤 John Ockuly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:26
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/0021; A61M25/0041; A61B; A61B18/00; A61B18/04; A61B18/12; A61B18/14; A61B18/1492
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
101 words
A guiding introducer comprising a first, second and third sections, wherein the introducer is shaped in accordance with anatomical structures of chambers of the human heart, wherein the first section is a generally elongated hollow straight section ending in a distal end, wherein the second section is merged with the distal end of the first section and comprises a curved section ending in a distal end, and wherein the third section is merged with the distal end of the second curved section and comprises a generally straight section and a curved section ending in a distal end of the guiding catheter.
Claim 2
Dependent Claim
101 words
A guiding introducer comprising a first, second and third sections, wherein the introducer is shaped in accordance with anatomical structures of chambers of the human heart, wherein the first section is a generally elongated hollow straight section ending in a distal end, wherein the second section is merged with the distal end of the first section and comprises a curved section ending in a distal end, and wherein the third section is merged with the distal end of the second curved section and comprises a generally straight section and a curved section ending in a distal end of the guiding catheter.
Claim 3
Dependent Claim
38 words
The guiding introducer of claim 1 wherein the second curved section has an inner angle of from about 170° to about 150° , and wherein the radius of that angle is from about 1.50 to about 2.00 in.
Claim 4
Dependent Claim
71 words
The guiding introducer of claim 1 wherein the generally straight section of the third section is from about 1.00 to about 1.60 in. in length, wherein the inner angle of the curved section of the third section is from about 70° to about 110° with a radius from about 0.30 to about 0.50 in. and wherein the overall length of the third section is from about 0.40 to about 0.70 in.
Claim 5
Dependent Claim
105 words
A guiding introducer comprising a first, second and third sections, wherein the introducer is shaped in accordance with anatomical structures of chambers of the human heart, wherein the first section is a generally elongated hollow straight section ending in a distal end, wherein the second section is merged with the distal end of the first section and comprises a curved section and a straight section ending in a distal end, and wherein the third section is merged with the distal end of the second section and comprises a second curved section and a third straight section ending in a distal end of the guiding catheter.
Claim 6
Dependent Claim
105 words
A guiding introducer comprising a first, second and third sections, wherein the introducer is shaped in accordance with anatomical structures of chambers of the human heart, wherein the first section is a generally elongated hollow straight section ending in a distal end, wherein the second section is merged with the distal end of the first section and comprises a curved section and a straight section ending in a distal end, and wherein the third section is merged with the distal end of the second section and comprises a second curved section and a third straight section ending in a distal end of the guiding catheter.
Claim 7
Dependent Claim
102 words
The guiding introducer of claim 4 wherein the curved section of the second section is curved at an inner angle of about 60° to about 80° with a radius of about 0.30 to about 0.70 in., wherein the straight section of the second section is from about 0.50 to about 1.00 in. in length, wherein the curved section of the third section is curved in an angle of about 80° to about 100° with a radius of about 0.20 to about 0.40 in., and wherein the straight section of the third section has a length of about 0.25 to about 0.60 in.
Claim 8
Dependent Claim
97 words
The guiding introducer of claim 4 wherein the curved section of the second section is curved in an inner angle of about 50° to about 70° with a radius of about 0.30 to about 0.50 in., wherein the straight section is from about 0.50 to about 1.00 in. in length, wherein the curved section of the third section is curved in an angle of about 80° to about 100° with a radius of about 0.25 about 0.40 in. and wherein the straight section of the third section is from about 0.30 to about 0.70 in. in length.
Claim 9
Dependent Claim
157 words
The guiding introducer of claim 4 wherein the curved section of the second section is curved in a compound curve, curving-in a first curve and simultaneously curving in a second curve, wherein the first curve of this compound curve has a radius of about 0.40 to about 0.60 in. with an inner angle of about 155° to about 115° , wherein the second curve of the compound curve of the second section has a radius of about 0.15 to about 0.45 in. and an angle of about 120° to about 160° , wherein the straight portion of the second section is from about 1.20 to about 1.50 in. in length, wherein the curved section of the third section curves in an angle of about 155° to about 115° with a radius of about 0.40 to about 0.60 in., and wherein the straight section of the third section is from about 0.20 to about 0.40 in. in length.
Claim 10
Dependent Claim
100 words
A guiding introducer comprising a first, second and third sections, wherein the introducer is shaped in accordance with anatomical structures of chambers of the human heart, wherein the first section is a generally elongated, hollow straight section ending in a distal end, wherein the second section is merged with the distal end of the first section and comprises a curved section and a straight section ending in a distal end, and wherein the third section is merged with the distal end of the second section and comprises a second curved section ending in a distal end of the guiding catheter.
Claim 11
Dependent Claim
100 words
A guiding introducer comprising a first, second and third sections, wherein the introducer is shaped in accordance with anatomical structures of chambers of the human heart, wherein the first section is a generally elongated, hollow straight section ending in a distal end, wherein the second section is merged with the distal end of the first section and comprises a curved section and a straight section ending in a distal end, and wherein the third section is merged with the distal end of the second section and comprises a second curved section ending in a distal end of the guiding catheter.
Claim 12
Dependent Claim
135 words
The guiding introducer of claim 8 wherein the curved section of the second section is curved in a compound curve, curving in a first curve and simultaneously curving in a second curve, wherein the first curve has an inner angle of about 155° to about 105° , and a radius of about 0.25 to about 0.50 in., wherein the second curve has an inner angle of about 155° to about 125° with a radius of about 0.30 to about 0.70 in., wherein the straight section of the second section is from about 1.00 to about 2.00 in. in length and wherein the third section curves to the left in an arc from the first section with an inner angle of about 40° to about 80° and a radius of about 0.30 to about 0.50 in.
Claim 13
Dependent Claim
55 words
A guiding introducer for use with an ablation catheter for the ablation and mapping of areas of the right and left atria of the heart comprising shaped first, second and third sections, wherein said guiding introducer is shaped to guide the ablation catheter to the area of the right and left atria of the heart.
Claim 14
Dependent Claim
55 words
A guiding introducer for use with an ablation catheter for the ablation and mapping of areas of the right and left atria of the heart comprising shaped first, second and third sections, wherein said guiding introducer is shaped to guide the ablation catheter to the area of the right and left atria of the heart.
Claim 15
Dependent Claim
38 words
The guiding introducer of claim 10 wherein the second curved section has an inner angle of from about 170° to about 150° , and wherein the radius of that angle is from about 1.50 to about 2.00 in.
Claim 16
Dependent Claim
71 words
The guiding introducer of claim 10 wherein the generally straight section of the third section is from about 1.00 to about 1.60 in. in length, wherein the inner angle of the curved section of the third section is from about 70° to about 110° with a radius from about 0.30 to about 0.50 in. and wherein the overall length of the third section is from about 0.40 to about 0.70 in.
Claim 17
Dependent Claim
150 words
A guiding introducer for use with an ablation catheter for the ablation and mapping of areas of the right and left atria of the heart comprising a first, second and third sections, wherein the introducer is shaped in accordance with anatomical structures of chambers of the human heart, wherein the first section is a generally elongated hollow straight section ending in a distal end, wherein the second section is merged with the distal end of the first section and comprises a curved section and a straight section ending in a distal end, wherein the third section is merged with the distal end of the second section and comprises a second curved section and a third straight section ending in a distal end of the guiding catheter, and wherein said guiding introducer is shaped to guide the ablation catheter to the area of the right and left atria of the heart.
Claim 18
Dependent Claim
150 words
A guiding introducer for use with an ablation catheter for the ablation and mapping of areas of the right and left atria of the heart comprising a first, second and third sections, wherein the introducer is shaped in accordance with anatomical structures of chambers of the human heart, wherein the first section is a generally elongated hollow straight section ending in a distal end, wherein the second section is merged with the distal end of the first section and comprises a curved section and a straight section ending in a distal end, wherein the third section is merged with the distal end of the second section and comprises a second curved section and a third straight section ending in a distal end of the guiding catheter, and wherein said guiding introducer is shaped to guide the ablation catheter to the area of the right and left atria of the heart.
Claim 19
Dependent Claim
102 words
The guiding introducer of claim 13 wherein the curved section of the second section is curved at an inner angle of about 60° to about 80° with a radius of about 0.30 to about 0.70 in., wherein the straight section of the second section is from about 0.50 to about 1.00 in. in length, wherein the curved section of the third section is curved in an angle of about 80° to about 100° with a radius of about 0.20 to about 0.40 inc., and wherein the straight section of the third section has a length of about 0.25 to about 0.60 in.
Claim 20
Dependent Claim
97 words
The guiding introducer of claim 13 wherein the curved section of the second section is curved in an inner angle of about 50° to about 70° with a radius of about 0.30 to about 0.50 in., wherein the straight section is from about 0.50 to about 1.00 in. in length, wherein the curved section of the third section is curved in an angle of about 80° to about 100° with a radius of about 0.25 about 0.40 in. and wherein the straight section of the third section is from about 0.30 to about 0.70 in. in length.
Claim 21
Dependent Claim
158 words
The guiding introducer of claim 13 wherein the curved section of the second section is curved in a compound curve, curving in a first curve and simultaneously curving in a second curve, wherein the first curve of this compound curve has a radius of about 0.40 to about 0.60 in. with an inner angle of about 155° to about 115° , wherein the second curve of the compound curve of the second section has a radius of about 0.15 to about 0.45 in. and an angle of about 120° to about 160° , wherein the straight portion of the second section is from about 1.20 to about 1.50 in. in length, wherein the curved section of the third section curves in an angle of about 155° to about 115° with a radius of about 0.40 to about 0.60 in., and wherein the straight section of the third section is from about 0.20 to about 0.40 in. in length.
Claim 22
Dependent Claim
144 words
A guiding introducer for use with an ablation catheter for the ablation and mapping of areas of the right and left atria of the heart comprising a first, second and third sections, wherein the introducer is shaped in accordance with anatomical structures of chambers of the human heart, wherein the first section is a generally elongated, hollow straight section ending in a distal end, wherein the second section is merged with the distal end of the first section and comprises a curved section and a straight section ending in a distal end, and wherein the third section is merged with the distal end of the second section and comprises a second curved section ending in a distal end of the guiding catheter, wherein said guiding introducer is shaped to guide the catheter to the area of the right and left atria of the heart.
Claim 23
Dependent Claim
144 words
A guiding introducer for use with an ablation catheter for the ablation and mapping of areas of the right and left atria of the heart comprising a first, second and third sections, wherein the introducer is shaped in accordance with anatomical structures of chambers of the human heart, wherein the first section is a generally elongated, hollow straight section ending in a distal end, wherein the second section is merged with the distal end of the first section and comprises a curved section and a straight section ending in a distal end, and wherein the third section is merged with the distal end of the second section and comprises a second curved section ending in a distal end of the guiding catheter, wherein said guiding introducer is shaped to guide the catheter to the area of the right and left atria of the heart.
Claim 24
Dependent Claim
135 words
The guiding introducer of claim 17 wherein the curved section of the second section is curved in a compound curve, curving in a first curve and simultaneously curving in a second curve, wherein the first curve has an inner angle of about 155° to about 105° , and a radius of about 0.25 to about 0.50 in., wherein the second curve has an inner angle of about 155° to about 125° with a radius of about 0.30 to about 0.70 in., wherein the straight section of the second section is from about 1.00 to about 2.00 in. in length and wherein the third section curves to the left in an arc from the first section with an inner angle of about 40° to about 80° and a radius of about 0.30 to about 0.50 in.
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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) | 2001-09-28 | 2002-03-30 | 2002-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-09-28 | 2006-03-30 | 2006-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-09-28 | 2010-03-30 | 2010-09-29 | $7700.00 | Window Closed / Lapsed |