US6071271A
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US
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Cardiopulmonary catheter system
Assignee: Edwards Lifesciences Research Medical Inc
•
Filing: 1997-09-05
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Granted: 2000-06-06
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Expires: 2017-09-05
Abstract
Abstract A catheter system for use in minimally invasive cardiac surgical procedures. The catheter system diminishes certain trauma generally associated with invasive cardiac procedures while providing aortic occlusion, extracorporeal circulation, cardiac arrest, and cardiac venting. The catheter system provides a minimally invasive and simplified system that performs total cardiopulmonary bypass with ease of insertion, improved whole body profusion, and shortened recovery periods. The catheters are refined, with reduced diameters and specialized functions for maximum control of each aspect of cardiopulmonary bypass.
Inventors
- 👤 Clyde Baker
- 👤 Gary L. Crocker
- 👤 Carl A. Swindle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:38
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/10; A61M25/1011; A61M25/0021; A61M25/0023; A61M25/0026; A61M25/003; A61M2025/0031; A61M2025/1043; A61M2025/1052; A61M2210/00; A61M2210/12; A61M2210/125; A61M2210/127
Claims Analysis
Total Claims: 44
Claim 1
Independent Claim
182 words
A system for employing blood management during cardiac surgical procedures comprising at least: a. an aortic occlusion catheter designed for percutaneous introduction into a peripheral vessel and for antegrade introduction of cardioplegia solution into the coronary arteries, said aortic occlusion catheter being advantageously positioned in the ascending aorta, and further providing a balloon positioned at the base of the ascending aorta just cephalid to the junction of the coronary arteries, said balloon providing for occlusion of the ascending aorta upon inflation; b. a femoral access arterial return catheter designed for percutaneous introduction into a femoral artery, said femoral access arterial return catheter positioned within a femoral artery and extended slightly therein to facilitate perfusion of the body with oxygenated blood, and terminating in a flexible tip comprising at least one exit hole designed to deter expulsive oxygenated blood flow therefrom; and c. a femoral access venous return catheter designed for percutaneous introduction into a femoral vein, said femoral access venous return catheter terminating in a flexible tip comprising a plurality of inlet openings to accommodate venous blood drainage from a right atrium.
Claim 2
Independent Claim
182 words
A system for employing blood management during cardiac surgical procedures comprising at least: a. an aortic occlusion catheter designed for percutaneous introduction into a peripheral vessel and for antegrade introduction of cardioplegia solution into the coronary arteries, said aortic occlusion catheter being advantageously positioned in the ascending aorta, and further providing a balloon positioned at the base of the ascending aorta just cephalid to the junction of the coronary arteries, said balloon providing for occlusion of the ascending aorta upon inflation; b. a femoral access arterial return catheter designed for percutaneous introduction into a femoral artery, said femoral access arterial return catheter positioned within a femoral artery and extended slightly therein to facilitate perfusion of the body with oxygenated blood, and terminating in a flexible tip comprising at least one exit hole designed to deter expulsive oxygenated blood flow therefrom; and c. a femoral access venous return catheter designed for percutaneous introduction into a femoral vein, said femoral access venous return catheter terminating in a flexible tip comprising a plurality of inlet openings to accommodate venous blood drainage from a right atrium.
Claim 3
Dependent Claim
43 words
A system as recited in claim 1, wherein said femoral access venous return catheter is equipped with an inflatable balloon positioned caudal to the entrance of the inferior vena cava in the right atrium such that isolation of the right atrium is facilitated.
Claim 4
Dependent Claim
24 words
A system as recited in claim 1, further comprising a jugular access perfusion catheter positioned for directing flow of cardioplegia into the coronary sinus.
Claim 5
Dependent Claim
35 words
A system as recited in claim 3, wherein said jugular access perfusion catheter comprises a balloon positioned within the coronary sinus such that fluid flow is occluded from the coronary sinus into the right atrium.
Claim 6
Dependent Claim
40 words
A system as recited in claim 4, wherein said jugular access perfusion catheter comprises an inflation balloon positioned cephalid to the opening of the superior vena cava into the right atrium such that isolation of the right atrium is facilitated.
Claim 7
Dependent Claim
25 words
A system as recited in claim 1, wherein said aortic occlusion catheter terminates in a flexible tip positioned just proximal to a patient's coronary arteries.
Claim 8
Dependent Claim
37 words
A system as recited in claim 1, wherein said aortic occlusion catheter further comprises a diameter which is minimized for avoiding injury, plaque removal, and distortion of the aorta and the axillary, brachial and left subclavian arteries.
Claim 9
Dependent Claim
18 words
A system as recited in claim 7, wherein said diameter is from about 7 to about 18 French.
Claim 10
Dependent Claim
18 words
A system as recited in claim 7, wherein said diameter is from about 9 to about 15 French.
Claim 11
Dependent Claim
14 words
A system as recited in claim 7, wherein said diameter is about 14 French.
Claim 12
Dependent Claim
15 words
A system as recited in claim 1, wherein said aortic occlusion catheter comprises three lumens.
Claim 13
Dependent Claim
15 words
A system as recited in claim 1, wherein said aortic occlusion catheter comprises two lumens.
Claim 14
Dependent Claim
21 words
A system as recited in claim 1, wherein said aortic occlusion catheter is designed to provide venting of the left heart.
Claim 15
Independent Claim
194 words
A method for employing blood management during cardiac surgical procedures comprising the steps of: a. inserting an aortic occlusion catheter comprising a flexible tip, an inflatable balloon positioned at the base of the ascending aorta just cephalid to the junction of the coronary arteries, and at least one infusion outlet positioned proximal to said balloon, into a peripheral vessel; i. advancing the aortic occlusion catheter until the tip abuts the aortic semilunar valve, ii. pulling back on the aortic occlusion catheter such that the tip is just proximal to the coronary arteries and said inflatable balloon is positioned in the ascending aorta, iii. inflating said inflatable balloon to occlude the ascending aorta, iv. arresting the heart utilizing antegrade infusion of cardioplegia solution, and v. venting the left heart; b. inserting a femoral access arterial return catheter comprising a flexible tip including at least one exit hole designed to deter expulsive oxygenated blood flow therefrom into a femoral artery; c. inserting a femoral access venous return catheter comprising a flexible tip including a plurality of inlet openings for accommodating venous blood drainage from the right atrium into a femoral vein; and d. initiating cardiopulmonary bypass.
Claim 16
Independent Claim
194 words
A method for employing blood management during cardiac surgical procedures comprising the steps of: a. inserting an aortic occlusion catheter comprising a flexible tip, an inflatable balloon positioned at the base of the ascending aorta just cephalid to the junction of the coronary arteries, and at least one infusion outlet positioned proximal to said balloon, into a peripheral vessel; i. advancing the aortic occlusion catheter until the tip abuts the aortic semilunar valve, ii. pulling back on the aortic occlusion catheter such that the tip is just proximal to the coronary arteries and said inflatable balloon is positioned in the ascending aorta, iii. inflating said inflatable balloon to occlude the ascending aorta, iv. arresting the heart utilizing antegrade infusion of cardioplegia solution, and v. venting the left heart; b. inserting a femoral access arterial return catheter comprising a flexible tip including at least one exit hole designed to deter expulsive oxygenated blood flow therefrom into a femoral artery; c. inserting a femoral access venous return catheter comprising a flexible tip including a plurality of inlet openings for accommodating venous blood drainage from the right atrium into a femoral vein; and d. initiating cardiopulmonary bypass.
Claim 17
Dependent Claim
34 words
A method as recited in claim 14, wherein said femoral access venous return catheter is equipped with an inflatable balloon positioned caudal to the entrance of the inferior vena cava in the right atrium.
Claim 18
Dependent Claim
28 words
A method as recited in claim 15, further comprising the step of inflating the inflatable balloon of the femoral access venous return catheter to isolate the right atrium.
Claim 19
Dependent Claim
34 words
A method as recited in claim 14, further comprising a jugular access perfusion catheter positioned for directing flow of cardioplegia solution into the coronary sinus, and comprising a balloon positioned within the coronary sinus.
Claim 20
Dependent Claim
32 words
A method as recited in claim 17, further comprising the step of inflating the balloon positioned within the coronary sinus to occlude fluid flow from the coronary sinus into the right atrium.
Claim 21
Dependent Claim
24 words
A method as recited in claim 18, further comprising the step of perfusing the heart with cardioplegia solution through said jugular access perfusion catheter.
Claim 22
Dependent Claim
31 words
A method as recited in claim 17, wherein said jugular access perfusion catheter comprises an inflation balloon positioned cephalid to the opening of the superior vena cava into the right atrium.
Claim 23
Dependent Claim
28 words
A method as recited in claim 20, further comprising the step of inflating the inflation balloon of said jugular access perfusion catheter for isolation of the right atrium.
Claim 24
Dependent Claim
16 words
A method as recited in claim 14, wherein said peripheral vessel is the left subclavian artery.
Claim 25
Dependent Claim
15 words
A method as recited in claim 14, wherein said peripheral vessel is an axillary artery.
Claim 26
Dependent Claim
15 words
A method as recited in claim 14, wherein said peripheral vessel is a brachial artery.
Claim 27
Dependent Claim
37 words
A method as recited in claim 14, wherein said aortic occlusion catheter further comprises a diameter which is minimized for avoiding injury, plaque removal, and distortion of the aorta and the left sublavian, axillary, and brachial arteries.
Claim 28
Independent Claim
231 words
A system for employing blood management during cardiac surgical procedures comprising: a. an aortic occlusion catheter designed for percutaneous introduction into a peripheral vessel and for antegrade introduction of cardioplegia solution into the coronary arteries, said aortic occlusion catheter being advantageously positioned in the ascending aorta and further providing a balloon positioned at the base of the ascending aorta just cephalid to the junction of the coronary arteries, said balloon providing for occlusion of the ascending aorta upon inflation; b. a femoral access arterial return catheter designed for percutaneous introduction into a femoral artery, said femoral access arterial return catheter positioned within a femoral artery and extended slightly therein to facilitate perfusion of the body with oxygenated blood, and said femoral access arterial perfusion catheter terminating in a flexible tip comprising at least one exit hole designed to deter expulsive oxygenated blood flow therefrom; c. a femoral access venous return catheter designed for percutaneous introduction into a femoral vein, said femoral access venous return catheter terminating in a flexible tip comprising a plurality of inlet openings to accommodate venous blood drainage from a right atrium; and d. a jugular access perfusion catheter positioned for directing flow of cardioplegia solution into the coronary sinus, said jugular access perfusion catheter further including a balloon positioned within the coronary sinus such that fluid flow is occluded from the coronary sinus into the right atrium.
Claim 29
Independent Claim
231 words
A system for employing blood management during cardiac surgical procedures comprising: a. an aortic occlusion catheter designed for percutaneous introduction into a peripheral vessel and for antegrade introduction of cardioplegia solution into the coronary arteries, said aortic occlusion catheter being advantageously positioned in the ascending aorta and further providing a balloon positioned at the base of the ascending aorta just cephalid to the junction of the coronary arteries, said balloon providing for occlusion of the ascending aorta upon inflation; b. a femoral access arterial return catheter designed for percutaneous introduction into a femoral artery, said femoral access arterial return catheter positioned within a femoral artery and extended slightly therein to facilitate perfusion of the body with oxygenated blood, and said femoral access arterial perfusion catheter terminating in a flexible tip comprising at least one exit hole designed to deter expulsive oxygenated blood flow therefrom; c. a femoral access venous return catheter designed for percutaneous introduction into a femoral vein, said femoral access venous return catheter terminating in a flexible tip comprising a plurality of inlet openings to accommodate venous blood drainage from a right atrium; and d. a jugular access perfusion catheter positioned for directing flow of cardioplegia solution into the coronary sinus, said jugular access perfusion catheter further including a balloon positioned within the coronary sinus such that fluid flow is occluded from the coronary sinus into the right atrium.
Claim 30
Dependent Claim
22 words
A system as recited in claim 26, wherein said femoral access venous return catheter is designed for extension into a right atrium.
Claim 31
Dependent Claim
43 words
A system as recited in claim 26, wherein said femoral access venous return catheter is equipped with an inflatable balloon positioned caudal to the entrance of the inferior vena cava in the right atrium such that isolation of the right atrium is facilitated.
Claim 32
Dependent Claim
40 words
A system as recited in claim 26, wherein said jugular access perfusion catheter comprises an inflation balloon positioned cephalid to the opening of the superior vena cava into the right atrium such that isolation of the right atrium is facilitated.
Claim 33
Independent Claim
235 words
A method for employing blood management during cardiac surgical procedures comprising the steps of: a. inserting an aortic occlusion catheter comprising a flexible tip, an inflatable balloon positioned at the base of the ascending aorta just cephalid to the junction of the coronary arteries, and at least one infusion outlet positioned proximal to said balloon, into a peripheral vessel; i. advancing the aortic occlusion catheter until the tip abuts the aortic semilunar valve, ii. pulling back on the aortic occlusion catheter such that the tip is just proximal to the coronary arteries and said inflatable balloon is positioned in the ascending aorta, iii. inflating said inflatable balloon to occlude the ascending aorta, iv. arresting the heart utilizing antegrade infusion of cardioplegia solution, and v. venting the left heart; b. inserting a femoral access arterial return catheter comprising a flexible tip including at least one exit hole designed to deter expulsive oxygenated blood flow therefrom into a femoral artery; c. inserting a femoral access venous return catheter comprising a flexible tip including a plurality of inlet openings for accommodating venous blood drainage from the right atrium into a femoral vein; d. inserting a jugular access perfusion catheter comprising a balloon positioned within the coronary sinus into a jugular vein, and i. inflating the balloon of the jugular access catheter to occlude fluid flow from the coronary sinus into the right atrium; and e. initiating cardiopulmonary bypass.
Claim 34
Independent Claim
235 words
A method for employing blood management during cardiac surgical procedures comprising the steps of: a. inserting an aortic occlusion catheter comprising a flexible tip, an inflatable balloon positioned at the base of the ascending aorta just cephalid to the junction of the coronary arteries, and at least one infusion outlet positioned proximal to said balloon, into a peripheral vessel; i. advancing the aortic occlusion catheter until the tip abuts the aortic semilunar valve, ii. pulling back on the aortic occlusion catheter such that the tip is just proximal to the coronary arteries and said inflatable balloon is positioned in the ascending aorta, iii. inflating said inflatable balloon to occlude the ascending aorta, iv. arresting the heart utilizing antegrade infusion of cardioplegia solution, and v. venting the left heart; b. inserting a femoral access arterial return catheter comprising a flexible tip including at least one exit hole designed to deter expulsive oxygenated blood flow therefrom into a femoral artery; c. inserting a femoral access venous return catheter comprising a flexible tip including a plurality of inlet openings for accommodating venous blood drainage from the right atrium into a femoral vein; d. inserting a jugular access perfusion catheter comprising a balloon positioned within the coronary sinus into a jugular vein, and i. inflating the balloon of the jugular access catheter to occlude fluid flow from the coronary sinus into the right atrium; and e. initiating cardiopulmonary bypass.
Claim 35
Dependent Claim
34 words
A method as recited in claim 30, wherein said femoral access venous return catheter is equipped with an inflatable balloon positioned caudal to the entrance of the inferior vena cava in the right atrium.
Claim 36
Dependent Claim
28 words
A method as recited in claim 31, further comprising the step of inflating the inflatable balloon of the femoral access venous return catheter to isolate the right atrium.
Claim 37
Dependent Claim
31 words
A method as recited in claim 30, wherein said jugular access perfusion catheter comprises an inflation balloon positioned cephalid to the opening of the superior vena cava into the right atrium.
Claim 38
Dependent Claim
28 words
A method as recited in claim 33, further comprising the step of inflating the inflation balloon of said jugular access perfusion catheter for isolation of the right atrium.
Claim 39
Dependent Claim
24 words
A method as recited in claim 33, further comprising the step of perfusing the heart with cardioplegia solution through said jugular access perfusion catheter.
Claim 40
Dependent Claim
16 words
A method as recited in claim 30, wherein said peripheral vessel is the left subclavian artery.
Claim 41
Dependent Claim
15 words
A method as recited in claim 30, wherein said peripheral vessel is an axillary artery.
Claim 42
Dependent Claim
15 words
A method as recited in claim 30, wherein said peripheral vessel is a brachial artery.
Claim 43
Dependent Claim
37 words
A method as recited in claim 30, wherein said aortic occlusion catheter further comprises a diameter which is minimized for avoiding injury, plaque removal, and distortion of the aorta and the left subclavian, brachial and axillary arteries.
Claim 44
Dependent Claim
27 words
A system as recited in claim 1, wherein the peripheral vessel into which the aortic occlusion catheter is designed to be introduced is the left subclavian artery.
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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) | 2003-06-06 | 2003-12-06 | 2004-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-06-06 | 2007-12-06 | 2008-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-06-06 | 2011-12-06 | 2012-06-06 | $7700.00 | Window Closed / Lapsed |