Septal closure device with centering mechanism
First Claim
1. A device for occluding a defect in a body, the device comprising:
- an occluder body that defines a longitudinal axis, the occluder body being reconfigurable from an elongated delivery configuration to a shortened and radially expanded deployed configuration, the occluder body comprising;
a proximal end portion;
a proximal convergence area that is positioned distal of the proximal end portion;
a plurality of proximal-side struts that extend between the proximal end portion and the proximal convergence area to define a proximal side;
a distal convergence area that is positioned distal of the proximal convergence area;
a plurality of central struts that extend between the proximal convergence area and the distal convergence area to define a central portion, wherein portions of the plurality of central struts are non-overlapping and form a substantially cylindrical area while the occluder body is configured in the deployed configuration;
a distal end portion that is positioned distal of the distal convergence area; and
a plurality of distal-side struts that extend between the distal convergence area and the distal end portion to define a distal side,wherein each of the proximal end portion, the proximal convergence area, the distal convergence area, and the distal end portion are disposed generally coaxially in relation to the longitudinal axis while the occluder body is configured in the delivery configuration,wherein while the occluder body is configured in the delivery configuration each of;
(i) the plurality of proximal-side struts, (ii) the plurality of central struts, and (iii) the plurality of distal-side struts are arranged radially outward from the longitudinal axis while each of;
(a) the proximal end portion, (b) the proximal convergence area, (c) the distal convergence area, and (d) the distal end portion remain disposed generally coaxially in relation to the longitudinal axis and in the deployed configuration, a portion of each of the plurality of proximal-side struts overlap with a portion of at least one of the plurality of proximal-side struts adjacent thereto at a discrete location and a portion of each of the plurality of distal-side struts overlap with a portion of at least one of the plurality of distal-side struts adjacent thereto at a discrete location.
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Accused Products
Abstract
In one aspect, the present invention provides a device for occluding an aperture in a body, for example, a patent foramen ovale (PFO), including a first side adapted to be disposed on one side of the septum and a second side adapted to be disposed on the opposite side of the septum. The device has an elongated, low-profile delivery configuration and a shortened, radially expanded deployment configuration. The first and second sides are adapted to occlude the aperture upon deployment of the device at its intended delivery location. The device also includes a radially expandable center portion. In some embodiments, the center portion includes a plurality of ribs provided by slits in device. The ribs expand radially when the device is deployed. The expandable center portion facilitates the positioning of the device in the aperture. The device can be secured in the deployed configuration using a catch system.
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Citations
17 Claims
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1. A device for occluding a defect in a body, the device comprising:
an occluder body that defines a longitudinal axis, the occluder body being reconfigurable from an elongated delivery configuration to a shortened and radially expanded deployed configuration, the occluder body comprising; a proximal end portion; a proximal convergence area that is positioned distal of the proximal end portion; a plurality of proximal-side struts that extend between the proximal end portion and the proximal convergence area to define a proximal side; a distal convergence area that is positioned distal of the proximal convergence area; a plurality of central struts that extend between the proximal convergence area and the distal convergence area to define a central portion, wherein portions of the plurality of central struts are non-overlapping and form a substantially cylindrical area while the occluder body is configured in the deployed configuration; a distal end portion that is positioned distal of the distal convergence area; and a plurality of distal-side struts that extend between the distal convergence area and the distal end portion to define a distal side, wherein each of the proximal end portion, the proximal convergence area, the distal convergence area, and the distal end portion are disposed generally coaxially in relation to the longitudinal axis while the occluder body is configured in the delivery configuration, wherein while the occluder body is configured in the delivery configuration each of;
(i) the plurality of proximal-side struts, (ii) the plurality of central struts, and (iii) the plurality of distal-side struts are arranged radially outward from the longitudinal axis while each of;
(a) the proximal end portion, (b) the proximal convergence area, (c) the distal convergence area, and (d) the distal end portion remain disposed generally coaxially in relation to the longitudinal axis and in the deployed configuration, a portion of each of the plurality of proximal-side struts overlap with a portion of at least one of the plurality of proximal-side struts adjacent thereto at a discrete location and a portion of each of the plurality of distal-side struts overlap with a portion of at least one of the plurality of distal-side struts adjacent thereto at a discrete location.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A device for occluding a defect in a body, the device comprising:
an occluder body that defines a longitudinal axis, the occluder body being reconfigurable from an elongated delivery configuration to a shortened and radially expanded deployed configuration, the occluder body comprising; a proximal end portion; a proximal convergence area that is positioned distal of the proximal end portion; a plurality of proximal-side struts that extend between the proximal end portion and the proximal convergence area to define a proximal side; a distal convergence area that is positioned distal of the proximal convergence area; a plurality of central struts that extend between the proximal convergence area and the distal convergence area to define a central portion, and portions of the plurality of central struts are non-overlapping and form a substantially circular perimeter while the occluder body is configured in the deployed configuration; a distal end portion that is positioned distal of the distal convergence area; and a plurality of distal-side struts that extend between the distal convergence area and the distal end portion to define a distal side, wherein each of the proximal end portion, the proximal convergence area, the distal convergence area, and the distal end portion are disposed generally coaxially in relation to the longitudinal axis while the occluder body is configured in the delivery configuration, wherein while the occluder body is configured in the delivery configuration each of;
(i) the plurality of proximal-side struts, (ii) the plurality of central struts, and (iii) the plurality of distal-side struts are arranged radially outward from the longitudinal axis while each of;
(a) the proximal end portion, (b) the proximal convergence area, (c) the distal convergence area, and (d) the distal end portion remain disposed generally coaxially in relation to the longitudinal axis and in the deployed configuration, a portion of each of the plurality of proximal-side struts overlap with a portion of at least one of the plurality of proximal-side struts adjacent thereto at a discrete location and a portion of each of the plurality of distal-side struts overlap with a portion of at least one of the plurality of distal-side struts adjacent thereto at a discrete location,wherein the occluder body is formed from a tube, wherein slits in the tube define each of;
(1) the plurality of proximal-side struts, (2) the plurality of distal-side struts, and (3) the plurality of central struts.- View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17)
Specification