US6689048B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Delivery of cardiac constraint jacket
Assignee: Mardil Inc
•
Filing: 2002-08-23
•
Granted: 2004-02-10
•
Expires: 2022-08-23
Abstract
Abstract A cardiac constraint jacket is formed of flexible material defining a volume between an open upper end and a lower end. The jacket is dimensioned for an apex of a patient's heart to be inserted into the volume through the open upper end and for the jacket to be slipped over the heart. A delivery device is used to place the jacket on the heart. The delivery device includes a plurality of attachment locations. Each of the attachment locations is releasably secured to separate positions surrounding a periphery of the open upper end of the jacket. The delivery device also includes a control arrangement which is selectively movable between an open position and a closed position. The control arrangement is connected to the attachment locations such that the attachment locations are in a compact array urging the open upper end of the jacket into a collapsed configuration when the control member is in the closed position. When the control arrangement is in the open position, the attachment locations are in an open array. The attachment locations urge the open upper end of the jacket into an open configuration sufficient for the heart to be inserted into the jacket volume through the open upper end and for the jacket to be slipped over said heart.
Inventors
- 👤 John C. Vanden Hoek
- 👤 Jody L. Rivers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:08
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/24; A61F2/2478; A61F2/2481; A61B; A61B17/00; A61B17/00491; A61B17/064; A61B2017/0649; A61F2/0063; A61F2002/0072; A61F2002/2484
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
106 words
A device for delivery of a cardiac constraint jacket, the jacket having an open upper end, a lower end, and a volume between the open upper end and lower end, the device comprising: a proximal handle; and a plurality of spacing arms connected to the proximal handle, extending between the proximal handle and a distal end of the device, said spacing arms being moveable between a compact array and an open array, wherein the distal end of the device is configured to engage the jacket, and when the spacing arms are in the open array, the spacing arms open the jacket sufficient to receive a heart.
Claim 2
Independent Claim
106 words
A device for delivery of a cardiac constraint jacket, the jacket having an open upper end, a lower end, and a volume between the open upper end and lower end, the device comprising: a proximal handle; and a plurality of spacing arms connected to the proximal handle, extending between the proximal handle and a distal end of the device, said spacing arms being moveable between a compact array and an open array, wherein the distal end of the device is configured to engage the jacket, and when the spacing arms are in the open array, the spacing arms open the jacket sufficient to receive a heart.
Claim 3
Dependent Claim
66 words
The device according to claim 1 , further comprising: a control arrangement movable between an open position and a closed position, the control arrangement connected to the spacing arms such that when the control arrangement is in the closed position the spacing arms are in a compact array and when the control arrangement is in the open position the spacing arms are in an open array.
Claim 4
Dependent Claim
24 words
The device according to claim 2 , wherein the control arrangement is axially slidable toward and away from the distal end of the device.
Claim 5
Dependent Claim
12 words
A device according to claim 2 wherein the control arrangement comprises drawstrings.
Claim 6
Dependent Claim
23 words
The device according to claim 1 , wherein the spacing arms each include a proximal straight portion and a distal outwardly curved portion.
Claim 7
Dependent Claim
46 words
The device according to claim 5 , further comprising: attachment locations located at the distal ends of the spacing arms, wherein each of the attachment locations is configured to be releasably secured to separate positions surrounding a periphery of the open upper end of the jacket.
Claim 8
Dependent Claim
52 words
A device according to claim 6 wherein the control arrangement comprises a tube slidably coupled to the handle, wherein the tube surrounds the spacing arms and is moveable to the open position with the tube clear of the outwardly curved portions and further movable distally to urge the outwardly curved portions together.
Claim 9
Dependent Claim
52 words
A device according to claim 6 wherein the attachment locations include openings in the distal ends to pass a suture through the openings and through the open upper end of the jacket to releasably secure the jacket to the attachment locations, wherein the jacket is releasable upon severing and removing the suture.
Claim 10
Dependent Claim
16 words
A device according to claim 6 comprising a bore for adhesive delivery at the attachment locations.
Claim 11
Dependent Claim
12 words
A device according to claim 1 wherein the spacing arms are flexible.
Claim 12
Dependent Claim
22 words
A device according to claim 10 wherein the spacing arms are configured to have a greater radial flexibility than a lateral flexibility.
Claim 13
Dependent Claim
26 words
A device according to claim 1 wherein the distal ends of the spacing arms are blunted to avoid trauma to tissue abutted by the distal ends.
Claim 14
Dependent Claim
31 words
A device according to claim 1 , wherein when the spacing arms are in the open array, the spacing arms open the jacket sufficient to receive an apex of a 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) | 2007-02-09 | 2007-08-11 | 2008-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2011-02-09 | 2011-08-11 | 2012-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2015-02-09 | 2015-08-11 | 2016-02-10 | $7700.00 | Window Closed / Lapsed |