EP1520519A1
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EP
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Heart wall tension reduction apparatus and method
Assignee: Edwards Lifesciences AG
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Filing: 1999-07-27
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Granted: —
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Expires: 2019-07-27
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
- 👤 Robert M. Vidlund
- 👤 Peter T. Keith
- 👤 Todd J. Mortier
- 👤 Thomas M. Paulson
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 22:04
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/04; A61B17/06; A61B17/06166; A61B17/00234; A61F; A61F2/00; A61F2/02; A61F2/24; A61F2/2478; A61F2/2487; A61B17/00491; A61B17/0401; A61B17/0487; A61B17/12; A61B17/122; A61B17/1227; A61B2017/00238; A61B2017/00243; A61B2017/0404; A61B2017/0417; A61B2017/0427; A61B2017/0435; A61B2017/0445; A61B2017/0446; A61B2017/0454; A61B2017/0458; A61B2017/0461; A61B2017/0464; A61B17/0469; A61B2017/048; A61B2017/0496; A61B90/00; A61B90/39; A61F2/2481
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
46 words
An apparatus for placement in a heart, the apparatus comprising: an elongate, multifilament member having opposite ends; and an anchor disposed at each end of the elongate member configured to engage
a wall of the heart so that the engaged walls remain in a non-contacting
relationship.
Claim 2
Dependent Claim
21 words
The apparatus of claim 1, wherein at least one anchor includes a mechanism
capable of securing the anchors to the wall.
Claim 3
Dependent Claim
25 words
The apparatus of claim 2, wherein the mechanism comprises a member
capable of being advanced through the wall to secure the anchor to the wall.
Claim 4
Dependent Claim
14 words
The apparatus of claim 1 or 2, wherein the mechanism includes a biocompatible
adhesive.
Claim 5
Dependent Claim
18 words
The apparatus of claim 2, wherein the mechanism includes a layer of material
capable of promoting tissue ingrowth.
Claim 6
Dependent Claim
19 words
The apparatus of claim 5, wherein the material is a mesh material and/or is
formed essentially of expanded PTFE.
Claim 7
Independent Claim
24 words
The apparatus of any of claims 2-6, wherein the anchor includes a top
layer of material connected to the layer of tissue ingrowth material.
Claim 8
Dependent Claim
14 words
The apparatus of claim 7, wherein the top layer is formed essentially of
PTFE.
Claim 9
Dependent Claim
30 words
The apparatus of claim 2, wherein the mechanism includes an aperture
extending through the anchor, the aperture being threaded to receive a screw
for securing the anchor to the wall.
Claim 10
Independent Claim
24 words
The apparatus of any of the preceding claims, wherein at least one anchor
includes a mechanism capable of securing the member to the anchors.
Claim 11
Dependent Claim
19 words
The apparatus of claim 10, wherein the mechanism includes a set screw
disposed within a passage of the anchor.
Claim 12
Independent Claim
14 words
The apparatus of any of the preceding claims, wherein the anchors are
disc-shaped pads.
Claim 13
Independent Claim
37 words
The apparatus of any of the preceding claims, wherein the member is
formed essentially of a material chosen from stainless steel, a titanium alloy,
a nickel titanium alloy, a shape memory alloy, polymeric fibre, and carbon
fibre.
Claim 14
Independent Claim
25 words
The apparatus of any of the preceding claims, wherein the member has a
length in the range of approximately 2.54 cm to approximately 10.15 cm.
Claim 15
Independent Claim
15 words
The apparatus of any of the preceding claims, wherein the member is a
braided wire.
Claim 16
Independent Claim
15 words
The apparatus of any of the preceding claims, wherein the member is a
twisted wire.
Claim 17
Independent Claim
14 words
The apparatus of any of the preceding claims, wherein the member includes
a coating.
Claim 18
Dependent Claim
19 words
The apparatus of claim 17, wherein the coating is formed essentially from
one of silicone, urethane, PTFE, and carbon.
Claim 19
Dependent Claim
11 words
The apparatus of claim 17, wherein the coating includes a drug.
Claim 20
Dependent Claim
12 words
The apparatus of claim 17, wherein the coating is tissue ingrowth inducing.
Claim 21
Dependent Claim
13 words
The apparatus of claim 17, wherein the coating is formed essentially of
collagen.
Claim 22
Independent Claim
22 words
The apparatus of any of the preceding claims, wherein the member includes
a core fiber extending along an axis of the member.
Claim 23
Independent Claim
19 words
The apparatus of any of the preceding claims, wherein the member is
radiopaque and/or echocardiograph compatible and/or MRI compatible.
Claim 24
Independent Claim
27 words
The apparatus of any of the preceding claims further comprising a radiopaque
marker and/or an echocardiograph compatible marker and/or a
MRI compatible marker associated with the member.
Claim 25
Independent Claim
28 words
The apparatus of any of the preceding claims, wherein the member is
configured to extend transverse the left ventricle of the heart and avoid papillary
muscles and arteries.
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