Patent US2396934A successfully refreshed from Google Patents.
US8043360B2
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US
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Devices, systems and methods to treat heart failure
Assignee: Corvia Medical Inc
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Filing: 2010-03-08
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Granted: 2011-10-25
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Expires: 2030-03-08
Abstract
Abstract Several unique intracardiac pressure vents, placement catheters, methods of placement and methods of treating heart failure are presented. The intracardiac pressure vents presented allow sufficient flow from the left atrium to the right atrium to relieve elevated left atrial pressure and resulting patient symptoms. In an aspect of the invention, the interatrial device comprises portions that are more flexible or less flexible than another portion of the device.
Inventors
- 👤 Edward McNamara
- 👤 David Celermajer
- 👤 Stephen J. Forcucci
- 👤 Hiroatsu Sugimoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:59
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/02; A61B17/0057; A61B17/11; A61F; A61F2/00; A61F2/02; A61F2/04; A61F2/06; A61F2/24; A61F2/2412; A61F2/2442; A61F2/2475; A61M; A61M27/00; A61M27/002; A61B17/00234; A61B2017/00238; A61B2017/00243; A61B2017/00247; A61B2017/00252; A61B2017/00575; A61B2017/00592; A61B2017/00606; A61B2017/00831; A61B2017/00867; A61B2017/0237; A61B2017/1107; A61B2017/1132
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
309 words
A device for implanting in an opening in a septal wall in a heart of a patient, comprising: i. a first annular flange comprising a plurality of flange segments, each of said flange segments of the first annular flange having a proximal end and a distal end; ii. a second annular flange comprising a plurality of flange segments, each of said flange segments of the second annular flange having a proximal and a distal end, at least one of said flange segments of said second annular flange comprising a distal end adapted to be substantially parallel with and contact the septal wall when deployed; and iii. a core segment having a first diameter when deployed, said core segment defining a passage adapted to permit fluid to flow therethrough from one side of said septal wall to another side of said septal wall, wherein the proximal ends of the first annular flange and the proximal ends of the second annular flange are contiguous with and define the core segment; wherein at least an end of the core segment and the at least one of the flange segments of the second annular flange include a first curved section that extends into the atrium so as to define a space between the at least one of the flange segments of the second annular flange and the septal wall when deployed, and a second curved section that extends from the first curved section toward the septal wall and the distal end of the at least one of the flange segments of the second annular flange, wherein at least a portion of at least one of said flange segments is more flexible than a portion of said core segment, and wherein the core segment is collapsible, enabling the core segment to have a second diameter less than the first diameter thereby enabling percutaneous delivery.
Claim 2
Independent Claim
309 words
A device for implanting in an opening in a septal wall in a heart of a patient, comprising: i. a first annular flange comprising a plurality of flange segments, each of said flange segments of the first annular flange having a proximal end and a distal end; ii. a second annular flange comprising a plurality of flange segments, each of said flange segments of the second annular flange having a proximal and a distal end, at least one of said flange segments of said second annular flange comprising a distal end adapted to be substantially parallel with and contact the septal wall when deployed; and iii. a core segment having a first diameter when deployed, said core segment defining a passage adapted to permit fluid to flow therethrough from one side of said septal wall to another side of said septal wall, wherein the proximal ends of the first annular flange and the proximal ends of the second annular flange are contiguous with and define the core segment; wherein at least an end of the core segment and the at least one of the flange segments of the second annular flange include a first curved section that extends into the atrium so as to define a space between the at least one of the flange segments of the second annular flange and the septal wall when deployed, and a second curved section that extends from the first curved section toward the septal wall and the distal end of the at least one of the flange segments of the second annular flange, wherein at least a portion of at least one of said flange segments is more flexible than a portion of said core segment, and wherein the core segment is collapsible, enabling the core segment to have a second diameter less than the first diameter thereby enabling percutaneous delivery.
Claim 3
Dependent Claim
20 words
The device of claim 1 further comprising a flow control element having two sides and attached to said core segment.
Claim 4
Dependent Claim
28 words
The device of claim 2 , wherein said flow control element opens upon an occurrence of a pressure differential between said two sides of said flow control element.
Claim 5
Dependent Claim
30 words
The device of claim 3 , wherein said flow control element allows fluid to flow through said passage from an area of higher pressure to an area of lower pressure.
Claim 6
Dependent Claim
16 words
The device of claim 4 , wherein said pressure differential is at least 2 mm Hg.
Claim 7
Dependent Claim
18 words
The device of claim 1 , wherein each of said plurality of flange segments comprises a radiopaque marker.
Claim 8
Dependent Claim
32 words
The device of claim 2 , wherein said core segment comprises a plurality of suture holes and wherein said flow control element is sutured to a selected number of said suture holes.
Claim 9
Dependent Claim
28 words
The device of claim 7 , wherein said selected number of suture holes defines at least one of an entry and exit profile of the flow control element.
Claim 10
Dependent Claim
14 words
The device of claim 2 , wherein said flow control element is a valve.
Claim 11
Dependent Claim
14 words
The device of claim 9 , wherein said valve comprises at least two leaflets.
Claim 12
Dependent Claim
24 words
The device of claim 10 , wherein at least one of the leaflets is more flexible than another of said at least two leaflets.
Claim 13
Dependent Claim
18 words
The device of claim 1 , wherein said septal wall is the atrial septum of said patient's heart.
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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) | 2014-10-24 | 2015-04-25 | 2015-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2018-10-24 | 2019-04-25 | 2019-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2022-10-24 | 2023-04-25 | 2023-10-25 | $7700.00 | Window Closed / Lapsed |