US20020111647A1
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US
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Adjustable left atrial appendage occlusion device
Assignee: Boston Scientific Scimed Inc
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Filing: 2001-10-19
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Granted: —
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Expires: 2021-10-19
Abstract
Abstract Disclosed is an adjustable occlusion device for use in a body lumen such as the left atrial appendage. The occlusion device is removably carried by a deployment catheter. The device may be enlarged or reduced to facilitate optimal placement or removal. Methods are also disclosed.
Inventors
- 👤 Alexander Khairkhahan
- 👤 Andrew Frazier
- 👤 Alan Klenk
- 👤 Marc Kreidler
- 👤 Stewart Kume
- 👤 Darrell Ogi
- 👤 Chad Roue
- 👤 Erik van der Burg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:18
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/0057; A61B17/12; A61B17/12022; A61B17/12099; A61B17/12122; A61B17/12131; A61B17/12168; A61B17/12172; A61F; A61F2/00; A61F2/01; A61F2/0108; A61M; A61M25/00; A61M25/10; A61B17/122; A61B17/00234; A61B2017/00238; A61B2017/00243; A61B2017/00535; A61B2017/00557; A61B2017/00575; A61B2017/00579; A61B2017/00592; A61B2017/00597; A61B2017/00615; A61B2017/00619; A61B2017/00623; A61B17/08; A61B2017/081; A61B2017/1205; A61B2017/12054; A61B2017/12095; A61F2/011; A61F2002/018; A61F2230/00; A61F2230/0002; A61F2230/0004; A61F2230/0006; A61F2230/0063; A61F2230/0071; A61F2230/0073; A61F2230/008; A61M2025/1043; A61M2025/1054; A61M2210/00; A61M2210/12; A61M2210/125
Claims Analysis
Total Claims: 38
Claim 1
Independent Claim
67 words
1 . An adjustable occlusion device deployment system, for implanting an occlusion device within a tubular structure in the body comprising: an occlusion device, movable between a reduced cross section and an enlarged cross section; and a deployment catheter, releasably attached to the occlusion device; a releasable lock for retaining the occlusion device on the catheter; and a core, for changing the cross-section of the occlusion device.
Claim 2
Dependent Claim
67 words
1 . An adjustable occlusion device deployment system, for implanting an occlusion device within a tubular structure in the body comprising: an occlusion device, movable between a reduced cross section and an enlarged cross section; and a deployment catheter, releasably attached to the occlusion device; a releasable lock for retaining the occlusion device on the catheter; and a core, for changing the cross-section of the occlusion device.
Claim 3
Dependent Claim
21 words
2 . An adjustable occlusion device deployment system as in claim 1 , wherein the occlusion device comprises an expandable frame.
Claim 4
Dependent Claim
21 words
3 . An adjustable occlusion device deployment system as in claim 2 , wherein the frame comprises at least two spokes.
Claim 5
Dependent Claim
21 words
4 . An adjustable occlusion device deployment system as in claim 3 , wherein the frame comprises at least six spokes.
Claim 6
Dependent Claim
46 words
5 . An adjustable occlusion device deployment system as in claim 3 , wherein each spoke is movable from an axial orientation when the occlusion device is in the reduced cross section to an inclined orientation when the occlusion device is in the enlarged cross section.
Claim 7
Dependent Claim
43 words
6 . An adjustable occlusion device deployment system as in claim 5 , wherein each spoke comprises a proximal section, a distal section, and a bend in between the proximal and distal sections when the occlusion device is in the enlarged cross section.
Claim 8
Dependent Claim
18 words
7 . An adjustable occlusion device deployment system as in claim 5 , wherein the spokes comprise wire.
Claim 9
Dependent Claim
21 words
8 . An adjustable occlusion device deployment system as in claim 5 , wherein the spokes are cut from a tube.
Claim 10
Dependent Claim
25 words
9 . An adjustable occlusion device deployment system as in claim 1 , further comprising at least one tissue attachment element on the occlusion device.
Claim 11
Dependent Claim
23 words
10 . An adjustable occlusion device deployment system as in claim 9 , wherein the tissue attachment structure comprises a tissue piercing element.
Claim 12
Dependent Claim
65 words
11 . An occlusion device for occluding a tubular body structure, comprising: a plurality of spokes which are movable between an axial orientation and an inclined orientation; a threaded aperture carried by the device; and a stop surface carried by the device; wherein a threaded core is rotatable within the aperture to cause the core to contact the stop surface and axially elongate the device.
Claim 13
Dependent Claim
65 words
11 . An occlusion device for occluding a tubular body structure, comprising: a plurality of spokes which are movable between an axial orientation and an inclined orientation; a threaded aperture carried by the device; and a stop surface carried by the device; wherein a threaded core is rotatable within the aperture to cause the core to contact the stop surface and axially elongate the device.
Claim 14
Dependent Claim
20 words
12 . An occlusion device as in claim 11 , further comprising a membrane or mesh carried by the spokes.
Claim 15
Dependent Claim
18 words
13 . An occlusion device as in claim 11 , comprising at least three radially outwardly moveable spokes.
Claim 16
Dependent Claim
64 words
14 . An implantable device, comprising: a radially enlargeable frame having a proximal end and a distal end; a proximally facing stop surface within the frame; and a threaded aperture in the frame, proximally of the stop surface; wherein distal axial advancement of a threaded core through the threaded aperture distally advances the stop surface thereby axially elongating and radially reducing the implantable device.
Claim 17
Dependent Claim
64 words
14 . An implantable device, comprising: a radially enlargeable frame having a proximal end and a distal end; a proximally facing stop surface within the frame; and a threaded aperture in the frame, proximally of the stop surface; wherein distal axial advancement of a threaded core through the threaded aperture distally advances the stop surface thereby axially elongating and radially reducing the implantable device.
Claim 18
Dependent Claim
17 words
15 . An implantable device as in claim 14 , wherein the device is an occlusion device.
Claim 19
Dependent Claim
16 words
16 . An implantable device as in claim 14 , wherein the device is a filter.
Claim 20
Dependent Claim
52 words
17 . An occlusion device implantation system, comprising: a deployment catheter, having an elongate flexible body with a proximal end and a distal end; an antirotation lock on the body; a rotatable core extending axially through the body; and a radially expandable implant releasably connected to the distal end of the body.
Claim 21
Dependent Claim
52 words
17 . An occlusion device implantation system, comprising: a deployment catheter, having an elongate flexible body with a proximal end and a distal end; an antirotation lock on the body; a rotatable core extending axially through the body; and a radially expandable implant releasably connected to the distal end of the body.
Claim 22
Dependent Claim
73 words
18 . A method of implanting a device in the left atrial appendage, comprising the steps of: providing a deployment catheter, having an elongate flexible body with a proximal end and a distal end, a control on the proximal end and a device removably carried by the distal end; positioning at least a portion of the device in the left atrial appendage; and manipulating the control to enlarge the device under positive force.
Claim 23
Dependent Claim
73 words
18 . A method of implanting a device in the left atrial appendage, comprising the steps of: providing a deployment catheter, having an elongate flexible body with a proximal end and a distal end, a control on the proximal end and a device removably carried by the distal end; positioning at least a portion of the device in the left atrial appendage; and manipulating the control to enlarge the device under positive force.
Claim 24
Dependent Claim
17 words
19 . A method as in claim 18 , wherein the manipulating step comprises rotating the control.
Claim 25
Dependent Claim
16 words
20 . A method as in claim 18 , wherein the device comprises an expandable frame.
Claim 26
Dependent Claim
17 words
21 . A method as in claim 20 , wherein the frame comprises at least two spokes.
Claim 27
Dependent Claim
17 words
22 . A method as in claim 20 , wherein the frame comprises at least six spokes.
Claim 28
Dependent Claim
40 words
23 . A method as in claim 22 , wherein each spoke is movable from an axial orientation when the device is in a reduced cross section to an inclined orientation when the device is in an enlarged cross section.
Claim 29
Dependent Claim
38 words
24 . A method as in claim 21 , wherein each spoke comprises a proximal section, a distal section, and a bend in between the proximal and distal sections when the device is in the enlarged cross section.
Claim 30
Dependent Claim
14 words
25 . A method as in claim 21 , wherein the spokes comprise wire.
Claim 31
Dependent Claim
17 words
26 . A method as in claim 21 , wherein the spokes are cut from a tube.
Claim 32
Dependent Claim
36 words
27 . A method as in claim 18 , wherein the device further comprises a plurality of tissue anchors, and the method comprises the step of engaging tissue with at least some of the tissue anchors.
Claim 33
Dependent Claim
65 words
28 . A method of removing a device having tissue anchors thereon from a site in the body, comprising the steps of: positioning the retrieval catheter with respect to the device such that the anchors are within a flared distal end on the retrieval catheter; reducing the diameter of the flared distal end, with the anchors therein; and removing the retrieval catheter from the site.
Claim 34
Dependent Claim
65 words
28 . A method of removing a device having tissue anchors thereon from a site in the body, comprising the steps of: positioning the retrieval catheter with respect to the device such that the anchors are within a flared distal end on the retrieval catheter; reducing the diameter of the flared distal end, with the anchors therein; and removing the retrieval catheter from the site.
Claim 35
Dependent Claim
24 words
29 . A method as in claim 28 , wherein the reducing step comprises positioning the flared distal end within an outer tubular sleeve.
Claim 36
Dependent Claim
64 words
30 . A retrieval catheter for retrieving a device from an implantation site within the body, comprising: an elongate, flexible body, having a proximal end and a distal end; a grasping structure on the distal end, for grasping the device; a flared tubular sleeve, for surrounding at least a portion of the device; and an outer tubular sleeve, for surrounding the flared tubular sleeve.
Claim 37
Dependent Claim
64 words
30 . A retrieval catheter for retrieving a device from an implantation site within the body, comprising: an elongate, flexible body, having a proximal end and a distal end; a grasping structure on the distal end, for grasping the device; a flared tubular sleeve, for surrounding at least a portion of the device; and an outer tubular sleeve, for surrounding the flared tubular sleeve.
Claim 38
Dependent Claim
31 words
31 . A retrieval catheter as in claim 30 , wherein the flared tubular sleeve comprises a plurality of petals which are moveable between an axial orientation and an inclined orientation.
References Cited (Backward Citations)
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Cited
US20030023262A1
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