Patent US6338735B1 successfully refreshed from Google Patents.
US6338735B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods for removing embolic material in blood flowing through a patient's ascending aorta
Assignee: Individual
•
Filing: 1996-03-15
•
Granted: 2002-01-15
•
Expires: 2016-03-15
Abstract
Abstract The subject invention relates to a valve replacement system together with methods of preparation and use, are provided for endovascular replacement of a heart valve in a host. The valve replacement system includes up to five components: (1) a prosthetic valve device, (2) a valve introducer device, (3) an intraluminal procedure device, (4) a procedure device capsule, and (5) a tissue cutter. The system provides for endovascular removal of a malfunctioning valve and subsequent replacement with a permanent prosthetic heart valve.
Inventors
- 👤 John H. Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:55
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/10; A61B; A61B17/00; A61B17/32; A61B17/3205; A61B17/3207; A61B17/320758; A61F; A61F2/00; A61F2/02; A61F2/24; A61F2/2427; A61F2/243; A61F2/2433; A61F2/2436; A61M1/00; A61M1/36; A61M1/3621; A61M1/3653; A61M1/3659; A61M25/0021; A61M25/0041; A61B17/320016; A61B17/32002; A61B17/320725; A61B17/22; A61B2017/22097; A61B18/00; A61B2018/00053; A61B2018/00214; A61B2018/0022; A61B2018/00232; A61B2018/0025; A61B2018/00261; A61F2220/00; A61F2220/0008; A61F2220/0016; A61M25/0067; A61M25/0074; A61M25/0075; A61M2025/0076; A61M2025/0078; A61M25/01; A61M25/02; A61M2025/028; A61M2025/1043; A61M2025/1047; A61M2025/1077; A61M2210/00; A61M2210/12; A61M2210/125; A61M25/0105; A61M25/0125; Y; Y10; Y10S; Y10S623/00; Y10S623/902; Y10S623/904
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
170 words
A method of deploying a permeable element in a patient's vasculature to trap and remove embolic material contained in blood passing through the vasculature, comprising the steps of: providing a permeable element which is movable from a collapsed position to an expanded position, the permeable element having a cavity when in the expanded position; introducing the permeable element into the patient with the permeable element being contained in a capsule in the collapsed position; expanding the permeable element to the expanded position within the patient's vasculature, the permeable element being oriented so that embolic material is trapped in the cavity when blood flows through its permeable element; flowing blood through the permeable element after the expanding step so that the embolic material is trapped in the cavity of the permeable element; collapsing the permeable element after the flowing step so that the embolic material trapped by the cavity of the permeable element can be removed; and removing the permeable element thereby removing the embolic material trapped by the permeable element.
Claim 2
Independent Claim
170 words
A method of deploying a permeable element in a patient's vasculature to trap and remove embolic material contained in blood passing through the vasculature, comprising the steps of: providing a permeable element which is movable from a collapsed position to an expanded position, the permeable element having a cavity when in the expanded position; introducing the permeable element into the patient with the permeable element being contained in a capsule in the collapsed position; expanding the permeable element to the expanded position within the patient's vasculature, the permeable element being oriented so that embolic material is trapped in the cavity when blood flows through its permeable element; flowing blood through the permeable element after the expanding step so that the embolic material is trapped in the cavity of the permeable element; collapsing the permeable element after the flowing step so that the embolic material trapped by the cavity of the permeable element can be removed; and removing the permeable element thereby removing the embolic material trapped by the permeable element.
Claim 3
Dependent Claim
21 words
The method of claim 1 , wherein: the providing step is carried out with the permeable element having a conical shape.
Claim 4
Dependent Claim
23 words
The method of claim 2 , wherein: the expanding step is carried out with the conical shape of the permeable element pointing downstream.
Claim 5
Dependent Claim
18 words
The method of claim 2 , further comprising the step of: performing a procedure on the patient's heart.
Claim 6
Dependent Claim
23 words
The method of claim 4 , wherein: the performing step is carried out with the procedure being a procedure on the aortic valve.
Claim 7
Dependent Claim
31 words
The method of claim 1 , further comprising the step of: introducing the permeable element into the patient with the permeable element being contained in a capsule in the collapsed position.
Claim 8
Dependent Claim
21 words
The method of claim 1 , wherein: the collapsing step is carried out by withdrawing the permeable element into the capsule.
Claim 9
Dependent Claim
31 words
The method of claim 1 , wherein: the providing step is carried out with the permeable element having a selective permeability such that only certain size particles may pass through it.
Claim 10
Dependent Claim
24 words
The method of claim 1 , wherein: the providing step is carried out with the permeable element being naturally biased toward the expanded position.
Claim 11
Independent Claim
185 words
A method of deploying a permeable element in a patient's vasculature to trap and remove embolic material contained in blood passing through the vasculature, comprising the steps of: providing a permeable element which is movable from a collapsed position to an expanded position, the permeable element having a cavity when in the expanded position; introducing the permeable element into the patient with the permeable element contained within a capsule, the permeable element being in the collapsed position while in the capsule; expanding the permeable element to the expanded position within the patient's vasculature, the permeable element being oriented so that embolic material is trapped in the cavity when blood flows through the permeable element; flowing blood through the permeable element after the expanding step so that the embolic material is trapped in the cavity of the permeable element; withdrawing the permeable element into the capsule after the flowing step so that the permeable element is in the collapsed position and the embolic material is trapped in the collapsed permeable element; and removing the permeable element thereby removing the embolic material trapped by the permeable element.
Claim 12
Independent Claim
185 words
A method of deploying a permeable element in a patient's vasculature to trap and remove embolic material contained in blood passing through the vasculature, comprising the steps of: providing a permeable element which is movable from a collapsed position to an expanded position, the permeable element having a cavity when in the expanded position; introducing the permeable element into the patient with the permeable element contained within a capsule, the permeable element being in the collapsed position while in the capsule; expanding the permeable element to the expanded position within the patient's vasculature, the permeable element being oriented so that embolic material is trapped in the cavity when blood flows through the permeable element; flowing blood through the permeable element after the expanding step so that the embolic material is trapped in the cavity of the permeable element; withdrawing the permeable element into the capsule after the flowing step so that the permeable element is in the collapsed position and the embolic material is trapped in the collapsed permeable element; and removing the permeable element thereby removing the embolic material trapped by the permeable element.
Claim 13
Dependent Claim
21 words
The method of claim 10 , wherein: the providing step is carried out with the permeable element being a conical shape.
Claim 14
Dependent Claim
23 words
The method of claim 11 , wherein: the expanding step is carried out with the conical shape of the permeable element pointing downstream.
Claim 15
Dependent Claim
18 words
The method of claim 10 , further comprising the step of: performing a procedure on the patient's heart.
Claim 16
Dependent Claim
23 words
The method of claim 13 , wherein: the performing step is carried out with the procedure being a procedure on the aortic valve.
Claim 17
Dependent Claim
31 words
The method of claim 10 , wherein: the withdrawing step is carried out by pulling the permeable element into the capsule so that the capsule engages and collapses the permeable element.
Claim 18
Dependent Claim
31 words
The method of claim 10 , wherein the providing step is carried out with the permeable element having a selective permeability such that only certain size particles may pass through it.
Claim 19
Dependent Claim
29 words
The method of claim 10 , wherein: the providing step is carried out with the permeable element being naturally biased toward the expanded position when in the collapsed position.
Claim 20
Dependent Claim
22 words
The method of claim 10 , wherein: the expanding step is carried out by pushing the permeable element out of the capsule.
Claim 21
Independent Claim
161 words
A method of deploying a permeable element in a patient's vasculature to trap and remove embolic material contained in blood passing through the vasculature, comprising the steps of: performing a procedure on the aortic valve of the patients heart; providing a permeable element which is movable from a collapsed position to an expanded position, the permeable element having a cavity when in the expanded position; expanding the permeable element to the expanded position within the patient's vasculature, the permeable element being oriented so that embolic material is trapped in the cavity when blood flows through the permeable element; flowing blood through the permeable element after the expanding step so that the embolic material is trapped in the cavity of the permeable element; collapsing the permeable element after the flowing step so that the embolic material trapped by the cavity of the permeable element can be removed; and removing the permeable element thereby removing the embolic material trapped by the permeable element.
Claim 22
Independent Claim
161 words
A method of deploying a permeable element in a patient's vasculature to trap and remove embolic material contained in blood passing through the vasculature, comprising the steps of: performing a procedure on the aortic valve of the patients heart; providing a permeable element which is movable from a collapsed position to an expanded position, the permeable element having a cavity when in the expanded position; expanding the permeable element to the expanded position within the patient's vasculature, the permeable element being oriented so that embolic material is trapped in the cavity when blood flows through the permeable element; flowing blood through the permeable element after the expanding step so that the embolic material is trapped in the cavity of the permeable element; collapsing the permeable element after the flowing step so that the embolic material trapped by the cavity of the permeable element can be removed; and removing the permeable element thereby removing the embolic material trapped by the permeable element.
Claim 23
Independent Claim
196 words
A method of deploying a permeable element in a patient's vasculature to trap and remove embolic material contained in blood passing through the vasculature, comprising the steps of: performing a procedure on the aortic valve of the patients heart; providing a permeable element which is movable from a collapsed position to an expanded position, the permeable element having a cavity when in the expanded position; introducing the permeable element into the patient with the permeable element contained within a capsule, the permeable element being in the collapsed position while in the capsule; expanding the permeable element to the expanded position within the patient's vasculature, the permeable element being oriented so that embolic material is trapped in the cavity when blood flows through the permeable element; flowing blood through the permeable element after the expanding step so that the embolic material is trapped in the cavity of the permeable element; withdrawing the permeable element into the capsule after the flowing step so that the permeable element is in the collapsed position and the embolic material is trapped in the collapsed permeable element; and removing the permeable element thereby removing the embolic material trapped by the permeable element.
Claim 24
Independent Claim
196 words
A method of deploying a permeable element in a patient's vasculature to trap and remove embolic material contained in blood passing through the vasculature, comprising the steps of: performing a procedure on the aortic valve of the patients heart; providing a permeable element which is movable from a collapsed position to an expanded position, the permeable element having a cavity when in the expanded position; introducing the permeable element into the patient with the permeable element contained within a capsule, the permeable element being in the collapsed position while in the capsule; expanding the permeable element to the expanded position within the patient's vasculature, the permeable element being oriented so that embolic material is trapped in the cavity when blood flows through the permeable element; flowing blood through the permeable element after the expanding step so that the embolic material is trapped in the cavity of the permeable element; withdrawing the permeable element into the capsule after the flowing step so that the permeable element is in the collapsed position and the embolic material is trapped in the collapsed permeable element; and removing the permeable element thereby removing the embolic material trapped by the permeable element.
References Cited (Backward Citations)
US3409013A
Cited
US3587115A
Cited
US3671979A
Cited
US3755823A
Cited
US4038703A
Cited
US4106129A
Cited
US4056854A
Cited
US4297749A
Cited
US4222126A
Cited
US4574803A
Cited
GB2056023A
Cited
US4343048A
Cited
EP0103546B1
Cited
US4612011A
Cited
US4787899A
Cited
US4631052A
Cited
US5026366A
Cited
US4979939A
Cited
US4787901A
Cited
USRE33258E
Cited
US4580568A
Cited
US4733665B1
Cited
US4733665A
Cited
US4733665C2
Cited
US4777951A
Cited
US4883458A
Cited
US5000743A
Cited
US4878495A
Cited
US4796629A
Cited
US5032128A
Cited
EP0357003B1
Cited
US5011488A
Cited
US5007896A
Cited
US4856516A
Cited
US4966604A
Cited
US4994077A
Cited
US5047041A
Cited
US4986830A
Cited
US5089015A
Cited
US5084010A
Cited
US5037434A
Cited
US5080660A
Cited
US5411552A
Cited
EP0592410A1
Cited
WO1991017720A1
Cited
US5160342A
Cited
US5053008A
Cited
US5152771A
Cited
US5443446A
Cited
US5295958A
Cited
WO1992017118A1
Cited
US5167628A
Cited
US5397351A
Cited
US5163953A
Cited
US5332402A
Cited
US5545209A
Cited
US5480424A
Cited
US5593405A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2005-01-14 | 2005-07-16 | 2006-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2009-01-14 | 2009-07-16 | 2010-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2013-01-14 | 2013-07-16 | 2014-01-15 | $7700.00 | Window Closed / Lapsed |