Patent US5961440A successfully refreshed from Google Patents.
US5961440A
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US
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Heart wall tension reduction apparatus and method
Assignee: Edwards Lifesciences LLC
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Filing: 1997-09-18
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Granted: 1999-10-05
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Expires: 2017-09-18
Abstract
Abstract An apparatus for treatment of a failing heart by reducing the wall tension therein. In one embodiment, the apparatus includes a tension member for drawing at least two walls of a heart chamber toward each other. Methods for placing the apparatus on the heart are also provided.
Inventors
- 👤 Cyril J. Schweich, Jr.
- 👤 Todd J. Mortier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:09
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/24; A61F2/2478; A61F2/2487; A61B; A61B17/00; A61B17/00234; A61F2/2481; A61B17/12; A61B17/122; A61B17/1227; A61B2017/00238; A61B2017/00243; A61B17/04; A61B17/0401; A61B2017/0404; A61B2017/0417; A61B2017/0427; A61B2017/0435; A61B2017/0446; A61B2017/0461; A61B17/0469; A61B2017/048; A61B2017/0496
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
61 words
A heart wall tension reduction apparatus, comprising: an elongate compression member having first and second ends; first and second elongate lever members, the first lever member extending from the first end of the compression member, and the second lever member extending from the second end of the compression member; and a tension member extending between the first and second lever members.
Claim 2
Dependent Claim
61 words
A heart wall tension reduction apparatus, comprising: an elongate compression member having first and second ends; first and second elongate lever members, the first lever member extending from the first end of the compression member, and the second lever member extending from the second end of the compression member; and a tension member extending between the first and second lever members.
Claim 3
Dependent Claim
79 words
The heart wall tension reduction apparatus in accordance with claim 1, wherein each of the two lever members have two ends, one end of each of the two lever members is disposed proximate the compression member, the other end of each of the two lever members is disposed remotely from the compression member, and the tension member is disposed closer to the ends of the two lever members disposed proximate the compression member than the ends disposed remotely therefrom.
Claim 4
Independent Claim
98 words
A method of disposing a heart wall tension reduction apparatus on a human heart having a plurality of chambers, comprising the steps of: providing a heart wall tension reduction apparatus including an elongate compression member having first and second ends; first and second elongate lever members, the first lever member extending from the first end of the compression member, and the second lever member extending from the second end of the compression member; a tension member extending between the first and second lever members; and extending the tension member through at least one chamber of the human heart.
Claim 5
Independent Claim
98 words
A method of disposing a heart wall tension reduction apparatus on a human heart having a plurality of chambers, comprising the steps of: providing a heart wall tension reduction apparatus including an elongate compression member having first and second ends; first and second elongate lever members, the first lever member extending from the first end of the compression member, and the second lever member extending from the second end of the compression member; a tension member extending between the first and second lever members; and extending the tension member through at least one chamber of the human heart.
Claim 6
Dependent Claim
20 words
The method in accordance with claim 3, further comprising the step of disposing the compression member external to the heart.
Claim 7
Dependent Claim
24 words
The method in accordance with claim 3, further comprising the step of disposing at least a portion of the compression member within the heart.
Claim 8
Dependent Claim
47 words
A heart wall tension reduction apparatus, comprising: a rigid elongate frame member having a first end and a second end; a first cantilever member disposed at the first end of the frame member; and a second cantilever member disposed at the second end of the frame member.
Claim 9
Dependent Claim
47 words
A heart wall tension reduction apparatus, comprising: a rigid elongate frame member having a first end and a second end; a first cantilever member disposed at the first end of the frame member; and a second cantilever member disposed at the second end of the frame member.
Claim 10
Dependent Claim
23 words
The heart wall tension reduction apparatus in accordance with claim 6, wherein each cantilever member includes at least one atraumatic pad disposed thereon.
Claim 11
Dependent Claim
29 words
The heart wall tension reduction apparatus in accordance with claim 6, further comprising a plurality of cantilever members disposed at the first and second ends of the frame member.
Claim 12
Independent Claim
137 words
A method of placing a heart wall tension reduction apparatus on a human heart having a plurality of chambers, comprising the steps of: extending a hollow needle through at least one chamber of the heart such that each end of the needle is external to the heart; providing a tension member having first and second ends; connecting the second end of the tension member to a first atraumatic pad; advancing the tension member trough the needle from one end of the needle to the other; further advancing the tension member until the first atraumatic pad engages the heart and the first end of the tension member is external to the at least one chamber; and connecting the first end of the tension member to a second atraumatic pad such that the second atraumatic pad engages the heart.
Claim 13
Independent Claim
137 words
A method of placing a heart wall tension reduction apparatus on a human heart having a plurality of chambers, comprising the steps of: extending a hollow needle through at least one chamber of the heart such that each end of the needle is external to the heart; providing a tension member having first and second ends; connecting the second end of the tension member to a first atraumatic pad; advancing the tension member trough the needle from one end of the needle to the other; further advancing the tension member until the first atraumatic pad engages the heart and the first end of the tension member is external to the at least one chamber; and connecting the first end of the tension member to a second atraumatic pad such that the second atraumatic pad engages the heart.
Claim 14
Dependent Claim
34 words
The method in accordance with claim 9, wherein the length of the tension member is such that the at least one chamber of the heart is compressed between the first and second atraumatic pads.
Claim 15
Independent Claim
145 words
A method of placing a heart wall tension reduction apparatus on a heart having a plurality of chambers, comprising the steps of: extending a guide member through at least one chamber of the heart such that each end of the guide member is external to the chamber; providing a tension member having at least one lumen extending therethrough; extending a portion of the guide member through the lumen; advancing the tension member on the guide member such that a first end of the tension member is disposed to one side of and external to the at least one chamber, and a second end of the tension member is disposed to an opposite side of and external to the at least one chamber; and connecting a first atraumatic pad to the first end and a second atraumatic pad to the second end of the tension member.
Claim 16
Independent Claim
145 words
A method of placing a heart wall tension reduction apparatus on a heart having a plurality of chambers, comprising the steps of: extending a guide member through at least one chamber of the heart such that each end of the guide member is external to the chamber; providing a tension member having at least one lumen extending therethrough; extending a portion of the guide member through the lumen; advancing the tension member on the guide member such that a first end of the tension member is disposed to one side of and external to the at least one chamber, and a second end of the tension member is disposed to an opposite side of and external to the at least one chamber; and connecting a first atraumatic pad to the first end and a second atraumatic pad to the second end of the tension member.
Claim 17
Dependent Claim
34 words
The method in accordance with claim 11, wherein the length of the tension member is such that the at least one chamber of the heart is compressed between the first and second atraumatic pads.
Claim 18
Dependent Claim
14 words
The method in accordance with claim 11, wherein the guide member includes a needle.
Claim 19
Dependent Claim
14 words
The method in accordance with claim 11, wherein the guide member includes a guidewire.
Claim 20
Independent Claim
93 words
A method of placing a heart wall tension reduction apparatus on a heart having a plurality of chamber comprising the steps of: extending a needle having a flexible tension member releasably connected thereto through at least one chamber of the heart such that opposite ends of the tension member are external to the chamber and exposed on opposite sides thereof; removing the needle from the tension member; and connecting a first atraumatic pad to one end of the tension member and a second atraumatic pad to the opposite end of the tension member.
Claim 21
Independent Claim
93 words
A method of placing a heart wall tension reduction apparatus on a heart having a plurality of chamber comprising the steps of: extending a needle having a flexible tension member releasably connected thereto through at least one chamber of the heart such that opposite ends of the tension member are external to the chamber and exposed on opposite sides thereof; removing the needle from the tension member; and connecting a first atraumatic pad to one end of the tension member and a second atraumatic pad to the opposite end of the tension member.
Claim 22
Dependent Claim
34 words
The method in accordance with claim 15, wherein the length of the tension member is such that the at least one chamber of the heart is compressed between the first and second atraumatic pads.
Claim 23
Dependent Claim
176 words
A heart wall tension reduction apparatus, comprising; a first generally linear elongate tension member for drawing at least two walls of a chamber of the heart toward each other, the tension member having two oppositely disposed ends; a plurality of anchors, including an elongate anchor having a first end and a second end, one end of the first tension member being connected to the first end of the elongate anchor, and the opposite end of the first tension member being connected to one anchor to secure the tension member to the heart; and a second generally elongate tension member for drawing at least two walls of a chamber of the heart toward each other, the second tension member having two oppositely disposed ends, wherein one end of the second tension member is connected to the second end of the elongate anchor and the opposite end of the second tension member is connected to one of the anchors such that where the tension members are disposed between the anchors, the tension members are spaced from each other.
Claim 24
Dependent Claim
176 words
A heart wall tension reduction apparatus, comprising; a first generally linear elongate tension member for drawing at least two walls of a chamber of the heart toward each other, the tension member having two oppositely disposed ends; a plurality of anchors, including an elongate anchor having a first end and a second end, one end of the first tension member being connected to the first end of the elongate anchor, and the opposite end of the first tension member being connected to one anchor to secure the tension member to the heart; and a second generally elongate tension member for drawing at least two walls of a chamber of the heart toward each other, the second tension member having two oppositely disposed ends, wherein one end of the second tension member is connected to the second end of the elongate anchor and the opposite end of the second tension member is connected to one of the anchors such that where the tension members are disposed between the anchors, the tension members are spaced from each other.
Claim 25
Dependent Claim
30 words
The heart wall tension reduction apparatus in accordance with claim 17, wherein the ends of the tension members not connected to the elongate anchor, are each connected to different anchors.
Claim 26
Dependent Claim
44 words
The heart wall tension reduction apparatus in accordance with claim 18, wherein the elongate anchor, the anchor connected to the opposite end of the first tension member, and the anchor member connected to the opposite end of the second tension member comprise anchor pads.
Claim 27
Independent Claim
62 words
An apparatus for the treatment of a failing heart, comprising: a generally linear, substantially rigid, elongate tension member for drawing at least two walls of a chamber of the heart toward each other, the tension member having two oppositely disposed ends; and an anchor disposed at each end of the tension member, configured to secure the tension member to the heart wall.
Claim 28
Independent Claim
62 words
An apparatus for the treatment of a failing heart, comprising: a generally linear, substantially rigid, elongate tension member for drawing at least two walls of a chamber of the heart toward each other, the tension member having two oppositely disposed ends; and an anchor disposed at each end of the tension member, configured to secure the tension member to the heart wall.
References Cited (Backward Citations)
US34021A
Cited
US4192293A
Cited
US4409974A
Cited
US4536893A
Cited
US5496305A
Cited
USRE34021E
Cited
US4944753A
Cited
US4997431A
Cited
US5106386A
Cited
US5131905A
Cited
US5169381A
Cited
US5192314A
Cited
US5250049A
Cited
US5284488A
Cited
US5385528A
Cited
US5533958A
Cited
US5509428A
Cited
US5433727A
Cited
WO1998003213A1
Cited
US5702343A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2002-10-04 | 2003-04-05 | 2003-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-10-04 | 2007-04-05 | 2007-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-10-04 | 2011-04-05 | 2011-10-05 | $7700.00 | Window Closed / Lapsed |