US20010044568A1
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Endoluminal ventricular retention
Assignee: Edwards Lifesciences AG
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Filing: 2001-07-19
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Granted: —
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Expires: 2021-07-19
Abstract
Abstract A left ventricle restriction device is designed to be transvenously advanced and deployed within the coronary sinus and in some embodiments other coronary veins. The device places tension on adjacent structures, reducing the diameter and/or limiting diastolic expansion of the left ventricle. This may be beneficial for patients with dilated cardiomyopathy.
Inventors
- 👤 Jonathan Langberg
- 👤 Michael Lesh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:30
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/24; A61F2/2442; A61F2/2451; A61F2/2466; A61N; A61N1/00; A61N1/02; A61N1/04; A61N1/05; A61N1/056; A61N2001/0585
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
96 words
1 . A method of treating congestive heart failure, comprising the steps of: providing an elongate, flexible vascular implant, having a first attachment site spaced axially apart from a second attachment site; transluminally advancing the first attachment site on the implant through the coronary sinus and coronary venous system to form the implant into an open loop; reducing the size of the open loop to place tension on the coronary sinus and coronary veins; and attaching the first attachment site to the second attachment site to close the loop and retain tension on the coronary sinus.
Claim 2
Dependent Claim
96 words
1 . A method of treating congestive heart failure, comprising the steps of: providing an elongate, flexible vascular implant, having a first attachment site spaced axially apart from a second attachment site; transluminally advancing the first attachment site on the implant through the coronary sinus and coronary venous system to form the implant into an open loop; reducing the size of the open loop to place tension on the coronary sinus and coronary veins; and attaching the first attachment site to the second attachment site to close the loop and retain tension on the coronary sinus.
Claim 3
Dependent Claim
38 words
2 . A method of treating congestive heart failure as in claim 1 , wherein the transluminally advancing step comprises advancing the implant through at least a portion of the great cardiac vein and the middle cardiac vein.
Claim 4
Dependent Claim
39 words
3 . A method of treating congestive heart failure as in claim 2 , wherein the transluminally advancing step comprises advancing a control line extending from a distal portion of the implant through the ostium of the coronary sinus.
Claim 5
Dependent Claim
26 words
4 . A method of treating congestive heart failure as in claim 3 , further comprising the step of harnessing the control line with a snare.
Claim 6
Dependent Claim
34 words
5 . A method of treating congestive heart failure as in claim 1 , wherein the attaching step comprises advancing a proximal end and a distal end of the implant through a locking clip.
Claim 7
Dependent Claim
34 words
6 . A method of treating congestive heart failure as in claim 1 , further comprising the step of monitoring the degree of regurgitation during the reducing the size of the open loop step.
Claim 8
Dependent Claim
61 words
7 . A method of limiting diastolic expansion of the left ventricle, comprising positioning a prosthesis in a coronary veinous pathway which surrounds at least a portion of the left ventricle; tensioning the prosthesis; and attaching a proximal portion of the prosthesis to a distal portion of the prosthesis to form a closed loop for restraining expansion of the left ventricle.
Claim 9
Dependent Claim
61 words
7 . A method of limiting diastolic expansion of the left ventricle, comprising positioning a prosthesis in a coronary veinous pathway which surrounds at least a portion of the left ventricle; tensioning the prosthesis; and attaching a proximal portion of the prosthesis to a distal portion of the prosthesis to form a closed loop for restraining expansion of the left ventricle.
Claim 10
Dependent Claim
31 words
8 . A method of limiting diastolic expansion of the left ventricle as in claim 7 , wherein the prosthesis comprises an elongate, flexible body having a noncircular cross sectional configuration.
Claim 11
Dependent Claim
38 words
9 . A method of limiting diastolic expansion of the left ventricle as in claim 7 , wherein the positioning step comprises advancing a control line attached to the prosthesis through at least a portion of the pathway.
Claim 12
Dependent Claim
36 words
10 . A method of limiting diastolic expansion of the left ventricle as in claim 7 , further comprising the step of proximally retracting the control line to pull the prosthesis into position within the pathway.
Claim 13
Dependent Claim
32 words
11 . A method of limiting diastolic expansion of the left ventricle as in claim 10 , further comprising the step of applying tension to the control line to tension the prosthesis.
Claim 14
Dependent Claim
30 words
12 . A method of limiting diastolic expansion of the left ventricle as in claim 11 , further comprising the step of severing the control line following the tensioning step.
Claim 15
Dependent Claim
30 words
13 . A method of limiting diastolic expansion of the left ventricle as in claim 12 , further comprising the step of locking the prosthesis prior to the severing step.
Claim 16
Dependent Claim
36 words
14 . A method of limiting diastolic expansion of the left ventricle as in claim 7 , wherein the prosthesis has an axial length within the range of from about 6 cm to about 12 cm.
Claim 17
Dependent Claim
58 words
15 . A method of limiting diastolic expansion of the left ventricle as in claim 7 , wherein the prosthesis comprises a proximal control line attached to a proximal end of the prosthesis and a distal control line attached to a distal end of the prosthesis, and implantation of the prosthesis is accomplished by manipulating the control lines.
Claim 18
Dependent Claim
38 words
16 . A method of limiting diastolic expansion of the left ventricle as in claim 15 , wherein the overall length of the proximal control line, prosthesis and distal control line is in excess of about 200 cm.
Claim 19
Dependent Claim
41 words
17 . A method of limiting diastolic expansion of the left ventricle as in claim 15 , wherein the positioning step comprises advancing the distal control line from the great cardiac vein through anastomotic connections and into the middle cardiac vein.
Claim 20
Dependent Claim
35 words
18 . A method of limiting diastolic expansion of the left ventricle as in claim 17 , wherein the positioning step further comprises advancing the distal control line through the ostium of the coronary sinus.
Claim 21
Dependent Claim
44 words
19 . A method of limiting diastolic expansion of the left ventricle as in claim 18 , further comprising the step of snaring the distal control line and pulling it proximally until both the proximal and distal control lines extend outside of the patient.
Claim 22
Dependent Claim
33 words
20 . A method of limiting diastolic expansion of the left ventricle as in claim 19 , further comprising the step of severing the proximal and distal control lines following the attaching step.
References Cited (Backward Citations)
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