Distal anastomosis system
First Claim
1. An anastomosis connector system, comprising:
- a fitting comprising a base adapted for attachment to a graft, a leading segment adapted for introduction into a host vessel, and a trailing segment comprising at least one lateral portion having a proximal end and a distal end, wherein the proximal end of the lateral portion is integrally attached along a torsional region which extends between the base and the leading segment,wherein the trailing segment is deflectable about the torsional region from a first position to a second position such that at least the leading segment and the trailing segment can be advanced into the host vessel and wherein the trailing segment is adapted to return to the first position such that retraction from the host vessel is inhibited, andwherein said fitting has a major axis extending from said leading segment to said trailing segment and has a minor axis transverse to said major axis, wherein a dimension of said fitting along said major axis is greater than a dimension of said fitting along the minor axis.
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Accused Products
Abstract
Distal anastomosis devices and associated methodology are described herein. Connector and connector components as well as tools associated therewith are disclosed. The connectors are preferably adapted to produce an end-to-side anastomosis at a graft/coronary artery junction. A fitting alone, or a fitting in combination with a collar may be used as a connector. Each fitting may be deployed by deflecting its shape to provide clearance for a rear segment that rotates about adjoining hinge section(s) so to fit the connector within an aperture formed in a host vessel. Upon return to a substantially relaxed position, a rear segment anchors the fitting it in place. The distal fitting may include additional side features for interfacing with the host vessel/coronary artery. The collar may include features complimentary to those of a fitting and provisions for securing the graft vessel.
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Citations
45 Claims
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1. An anastomosis connector system, comprising:
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a fitting comprising a base adapted for attachment to a graft, a leading segment adapted for introduction into a host vessel, and a trailing segment comprising at least one lateral portion having a proximal end and a distal end, wherein the proximal end of the lateral portion is integrally attached along a torsional region which extends between the base and the leading segment, wherein the trailing segment is deflectable about the torsional region from a first position to a second position such that at least the leading segment and the trailing segment can be advanced into the host vessel and wherein the trailing segment is adapted to return to the first position such that retraction from the host vessel is inhibited, and wherein said fitting has a major axis extending from said leading segment to said trailing segment and has a minor axis transverse to said major axis, wherein a dimension of said fitting along said major axis is greater than a dimension of said fitting along the minor axis. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41)
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42. An anastomosis connector system, comprising:
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a fitting comprising a base adapted for attachment to a graft, a leading segment adapted for introduction into a host vessel, and a trailing segment comprising at least one lateral portion having a proximal end and a distal end, wherein the proximal end of the lateral portion is integrally attached along a torsional region which extends between the base and the leading segment; and a collar which is adapted to secure the graft to the host vessel between the fitting and the collar; wherein the trailing segment is deflectable about the torsional region from a first position to a second position such that at least the leading segment and the trailing segment can be advanced into the host vessel and wherein the trailing segment is adapted to return to the first position such that retraction from the host vessel is inhibited, wherein the torsional region comprises at least a proximal torsional member, which extends between the lateral portion and the base, and a distal torsional member, which extends between the lateral portion and the leading segment. - View Dependent Claims (43, 44, 45)
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Specification