Patent US6663665B2 successfully refreshed from Google Patents.
US6663665B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single puncture bifurcation graft deployment system
Assignee: Endologix LLC
•
Filing: 2001-02-28
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Granted: 2003-12-16
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Expires: 2021-02-28
Abstract
Abstract The present invention relates to the endoluminal repair of abdominal aortic aneurysms at the aortic and iliac bifurcation. In particular, a deployment system and graft are disclosed for deploying the bifurcated graft within both iliac branches, as well as the aortic trunk, from a single vascular access.
Inventors
- 👤 Samuel M. Shaolian
- 👤 Gilbert Madrid
- 👤 To Van Pham
- 👤 Trinh Van Pham
- 👤 Thanh Van Nguyen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:43
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/04; A61F2/06; A61F2/07; A61F2/95; A61F2/954; A61F2/962; A61F2/966; A61F2/82; A61F2/86; A61F2/90; A61F2002/065; A61F2002/072; A61F2002/075; A61F2002/9505; A61F2002/9511; A61F2220/00; A61F2220/0025; A61F2220/005; A61F2220/0058; A61F2220/0075
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
211 words
A method for deploying a bifurcated endoluminal prosthesis at the junction of a main vessel and first and second branch vessels, comprising the steps of: providing a deployment system containing a prosthesis having a main body section and first and second proximally extending branch sections; introducing the deployment system into the first branch vessel at an access site; advancing the deployment system distally through at least a portion of the first branch vessel and into the main vessel; releasing the second branch section of the prosthesis by proximally retracting an outer sheath of the deployment system; proximally retracting the deployment system to position the second branch section within the second branch vessel; expanding the first branch section of the prosthesis from a radially compressed state within the deployment system to a radially expanded state within the first branch vessel by activating a first release element of the deployment system; expanding the main body section of the prosthesis from a radially compressed state within the deployment system to a radially expanded state within the main vessel by activating a second release element of the deployment system; expanding the second branch section within the second branch vessel; and retracting the deployment system proximally through said access site and out of the patient's body.
Claim 2
Independent Claim
211 words
A method for deploying a bifurcated endoluminal prosthesis at the junction of a main vessel and first and second branch vessels, comprising the steps of: providing a deployment system containing a prosthesis having a main body section and first and second proximally extending branch sections; introducing the deployment system into the first branch vessel at an access site; advancing the deployment system distally through at least a portion of the first branch vessel and into the main vessel; releasing the second branch section of the prosthesis by proximally retracting an outer sheath of the deployment system; proximally retracting the deployment system to position the second branch section within the second branch vessel; expanding the first branch section of the prosthesis from a radially compressed state within the deployment system to a radially expanded state within the first branch vessel by activating a first release element of the deployment system; expanding the main body section of the prosthesis from a radially compressed state within the deployment system to a radially expanded state within the main vessel by activating a second release element of the deployment system; expanding the second branch section within the second branch vessel; and retracting the deployment system proximally through said access site and out of the patient's body.
Claim 3
Dependent Claim
26 words
The method of claim 1 , wherein the main vessel is an aorta and the first and second branch vessels are ipsilateral and contralateral iliac arteries.
Claim 4
Dependent Claim
21 words
The method of claim 1 , wherein the second branch section comprises a wire support formed from a memory metal alloy.
Claim 5
Dependent Claim
18 words
The method of claim 3 , wherein the second branch section is expanded by heating the wire support.
Claim 6
Dependent Claim
27 words
The method of claim 1 , wherein the step of expanding the second branch section is accomplished by removing a peelable sheath from the second branch portion.
Claim 7
Dependent Claim
17 words
The method claim 5 , wherein the peelable sheath is removed by proximally retracting a release wire.
Claim 8
Dependent Claim
16 words
The method of claim 1 , wherein the second branch section comprises a self-expandable wire support.
Claim 9
Dependent Claim
31 words
The method of claim 1 , wherein the second branch section comprises a self-expandable wire support, the second branch section being restrained in a radially compressed state by a biodegradable adhesive.
Claim 10
Dependent Claim
22 words
The method of claim 1 , wherein the step of expanding the second branch is accomplished by distally advancing a tubular sheath.
Claim 11
Independent Claim
225 words
A method for deploying a bifurcated endoluminal prosthesis at a junction of an aorta and ipsilateral and contralateral iliac arteries in a patient's body, comprising the steps of: advancing a deployment system distally through at least a portion of the ipsilateral iliac artery and into the aorta, the deployment system containing a prosthesis having a main body section and ipsilateral and contralateral limb sections, wherein the sections of the prosthesis are held in a radially compressed state in the deployment system, and wherein at least the main body and ipsilateral limb of the prosthesis are adapted to self-expand upon release from the deployment system; retracting an outer sheath proximally to expose the contralateral limb of the prosthesis, wherein the contralateral limb inclines laterally away from the deployment system; positioning the contralateral limb within the contralateral iliac artery by proximally retracting the deployment system; deploying the self-expanding ipsilateral limb of the prosthesis within the ipsilateral iliac artery by proximally retracting a middle core of the deployment system; deploying the self-expanding main body section of the prosthesis within the aorta by distally advancing an inner core of the deployment system; deploying the second branch section within the second branch vessel; and retracting the deployment system proximally through a central lumen in the main body and ipsilateral limb sections of the prosthesis and out of the patient's body.
Claim 12
Independent Claim
225 words
A method for deploying a bifurcated endoluminal prosthesis at a junction of an aorta and ipsilateral and contralateral iliac arteries in a patient's body, comprising the steps of: advancing a deployment system distally through at least a portion of the ipsilateral iliac artery and into the aorta, the deployment system containing a prosthesis having a main body section and ipsilateral and contralateral limb sections, wherein the sections of the prosthesis are held in a radially compressed state in the deployment system, and wherein at least the main body and ipsilateral limb of the prosthesis are adapted to self-expand upon release from the deployment system; retracting an outer sheath proximally to expose the contralateral limb of the prosthesis, wherein the contralateral limb inclines laterally away from the deployment system; positioning the contralateral limb within the contralateral iliac artery by proximally retracting the deployment system; deploying the self-expanding ipsilateral limb of the prosthesis within the ipsilateral iliac artery by proximally retracting a middle core of the deployment system; deploying the self-expanding main body section of the prosthesis within the aorta by distally advancing an inner core of the deployment system; deploying the second branch section within the second branch vessel; and retracting the deployment system proximally through a central lumen in the main body and ipsilateral limb sections of the prosthesis and out of the patient's body.
Claim 13
Dependent Claim
29 words
A method as in claim 10 , wherein the deploying the second branch section step is accomplished by removing a tubular restraining sheath from around the second branch section.
Claim 14
Dependent Claim
16 words
A method as in claim 11 , wherein the removing step comprises tearing the restraining sheath.
Claim 15
Dependent Claim
22 words
A method as in claim 11 , wherein the removing step comprises axially displacing the restraining sheath from the second branch section.
Claim 16
Dependent Claim
25 words
A method as in claim 12 , wherein the deploying step comprises expanding a second portion of the graft by applying an electrical current thereto.
Claim 17
Independent Claim
174 words
A method of implanting a bifurcation graft, comprising the steps of: providing a bifurcation graft having a trunk portion and first and second branch portions, the graft mounted on a delivery catheter such that the first and second branch portions are substantially parallel; introducing the graft into a vessel through a vascular access site; transluminally advancing the graft to a bifurcation where a trunk vessel branches into first and second branch vessels by first advancing at least a portion of the graft through one of the first and second branch vessels and then into the trunk vessel; manipulating the catheter to position the graft such that the trunk portion is in the trunk vessel, the first branch portion is in the first branch vessel and the second branch portion is in the second branch vessel; deploying the graft from the catheter at the bifurcation; and removing the catheter from the vessel through the access site; wherein access to the graft during the manipulating and deploying steps is accomplished solely through the vascular access site.
Claim 18
Independent Claim
174 words
A method of implanting a bifurcation graft, comprising the steps of: providing a bifurcation graft having a trunk portion and first and second branch portions, the graft mounted on a delivery catheter such that the first and second branch portions are substantially parallel; introducing the graft into a vessel through a vascular access site; transluminally advancing the graft to a bifurcation where a trunk vessel branches into first and second branch vessels by first advancing at least a portion of the graft through one of the first and second branch vessels and then into the trunk vessel; manipulating the catheter to position the graft such that the trunk portion is in the trunk vessel, the first branch portion is in the first branch vessel and the second branch portion is in the second branch vessel; deploying the graft from the catheter at the bifurcation; and removing the catheter from the vessel through the access site; wherein access to the graft during the manipulating and deploying steps is accomplished solely through the vascular access site.
Claim 19
Dependent Claim
24 words
A method as in claim 15 , wherein the deploying step comprises permitting at least a first portion of the graft to self expand.
Claim 20
Dependent Claim
26 words
A method as in claim 16 , wherein the deploying step comprises removing a tubular restraint from the first portion to permit it to self expand.
Claim 21
Independent Claim
191 words
A method of implanting a bifurcation graft, comprising the steps of: providing a bifurcation graft having a trunk portion and first and second branch portions, the graft mounted on a delivery catheter such that the first and second branch portions are substantially parallel; introducing the graft into a vessel through a vascular access site; transluminally advancing the graft to a bifurcation where a trunk vessel branches into first and second branch vessels; manipulating the catheter to position the graft such that the trunk portion is in the trunk vessel, the first branch portion is in the first branch vessel and the second branch portion is in the second branch vessel; deploying the graft from the catheter at the bifurcation; and removing the catheter from the vessel through the access site; wherein access to the graft during the manipulating and deploying steps is accomplished solely through the vascular access site; and wherein the deploying step comprises permitting at least a first portion of the graft to self expand by removing a tubular restraint from the first portion to permit it to self expand and wherein the removing step comprises tearing the restraint.
Claim 22
Independent Claim
191 words
A method of implanting a bifurcation graft, comprising the steps of: providing a bifurcation graft having a trunk portion and first and second branch portions, the graft mounted on a delivery catheter such that the first and second branch portions are substantially parallel; introducing the graft into a vessel through a vascular access site; transluminally advancing the graft to a bifurcation where a trunk vessel branches into first and second branch vessels; manipulating the catheter to position the graft such that the trunk portion is in the trunk vessel, the first branch portion is in the first branch vessel and the second branch portion is in the second branch vessel; deploying the graft from the catheter at the bifurcation; and removing the catheter from the vessel through the access site; wherein access to the graft during the manipulating and deploying steps is accomplished solely through the vascular access site; and wherein the deploying step comprises permitting at least a first portion of the graft to self expand by removing a tubular restraint from the first portion to permit it to self expand and wherein the removing step comprises tearing the restraint.
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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) | 2006-12-15 | 2007-06-16 | 2007-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2010-12-15 | 2011-06-16 | 2011-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2014-12-15 | 2015-06-16 | 2015-12-16 | $7700.00 | Window Closed / Lapsed |