Patent US6270513B1 successfully refreshed from Google Patents.
US6270513B1
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Methods of protecting a patient from embolization during surgery
Assignee: Edwards Lifesciences Corp
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Filing: 1999-12-03
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Granted: 2001-08-07
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Expires: 2019-12-03
Abstract
Abstract The invention provides a nested tubing cannula which comprises outer and inner elongate tubular members, both having a proximal end, a distal end, and a lumen therebetween. The inner tubular member is sealed at its distal end and is nested substantially coaxially within the lumen of the outer tubular member, so that the gap between the inner and the outer tubular member defines a second lumen whereas the first lumen is the lumen of the inner tubular member. A tubular sleeve is disposed coaxially between the inner and outer tubular members. A balloon is mounted on a distal region of the outer tubular member and is in communication with the first lumen. The cannula further comprises a port proximal or distal the balloon occluder and is in communication with the second lumen. Methods for making the devices herein are disclosed.
Inventors
- 👤 Ross S. Tsugita
- 👤 Tracy D. Maahs
- 👤 Yue-Teh Jang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:44
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/01; A61F2/013; A61F2/0105; A61F2/0108; A61F2/011; A61B; A61B17/00; A61B17/22; A61B17/221; A61B2017/2212; A61B17/32; A61B17/3205; A61B17/3207; A61B2017/320716; A61F2/014; A61F2/82; A61F2/95; A61F2002/018; A61F2230/00; A61F2230/0002; A61F2230/0004; A61F2230/0006; A61F2230/0028; A61F2230/005; A61F2230/0063; A61F2230/0067; A61F2230/0071; A61F2230/0073; A61F2230/0076; A61F2230/008; A61F2230/0093; A61F2250/00; A61F2250/0003
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
107 words
A method of performing surgery on a patient, comprising the steps of: providing a filter disposed on a distal region of a flexible elongate member; introducing the distal region of a flexible elongate member into a peripheral artery and advancing the filter to a site within the aorta upstream of a branch vessel from the aorta; deploying the filter at the site within the aorta; manipulating the aorta by direct access in a region upstream of the site within the aorta; and removing the blood filter device from the aorta, wherein embolic material is generated and filtered before the blood filter device is removed from the aorta.
Claim 2
Independent Claim
107 words
A method of performing surgery on a patient, comprising the steps of: providing a filter disposed on a distal region of a flexible elongate member; introducing the distal region of a flexible elongate member into a peripheral artery and advancing the filter to a site within the aorta upstream of a branch vessel from the aorta; deploying the filter at the site within the aorta; manipulating the aorta by direct access in a region upstream of the site within the aorta; and removing the blood filter device from the aorta, wherein embolic material is generated and filtered before the blood filter device is removed from the aorta.
Claim 3
Dependent Claim
14 words
The method of claim 1 , wherein the branch vessel is the innominate artery.
Claim 4
Dependent Claim
19 words
The method of claim 1 , further comprising the steps of introducing a blood bypass cannula into the aorta.
Claim 5
Dependent Claim
20 words
The method of claim 3 , wherein the cannula is introduced upstream of the site where the filter is deployed.
Claim 6
Dependent Claim
17 words
The method of claim 1 , wherein the step of manipulating the aorta comprises blocking the aorta.
Claim 7
Dependent Claim
17 words
The method of claim 5 , wherein the step of blocking the aorta includes cross-clamping the aorta.
Claim 8
Dependent Claim
27 words
The method of claim 1 , wherein the step of manipulating the aorta comprises unblocking the aorta while the blood filter device is deployed within the aorta.
Claim 9
Dependent Claim
13 words
The method of claim 1 , wherein said elongate member is a catheter.
Claim 10
Dependent Claim
13 words
The method of claim 1 , wherein said elongate member is a guidewire.
Claim 11
Dependent Claim
15 words
The method of claim 9 , wherein said filter is releasably attached to the guidewire.
Claim 12
Dependent Claim
24 words
The method of claim 1 , wherein the peripheral artery is selected from the group consisting of a subclavian artery and a femoral 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) | 2004-08-06 | 2005-02-05 | 2005-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2008-08-06 | 2009-02-05 | 2009-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2012-08-06 | 2013-02-05 | 2013-08-07 | $7700.00 | Window Closed / Lapsed |