Closure device and methods for making and using them
First Claim
1. An arteriotomy tissue closure device comprising:
- a plurality of tines having proximal and distal ends, the tines being commonly connected at their proximal ends and having sharp distal tips, the sharp distal tips being oriented toward a central axis of the arteriotomy tissue closure device; and
at least one, but fewer than all, of the tines having a tissue stop disposed along the tine, each tissue stop extending from a single tine of the plurality of tines and defining a surface that extends substantially orthogonally to the longitudinal direction of the tine in order to limit advancement of the tine through tissue once the tissue stop reaches the tissue, each tissue stop flaring from the proximal end of the tine to which each tissue stop is connected a distal end of the tine to which each tissue stop is connected towards.
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Abstract
A clip for engaging tissue includes a generally annular-shaped body defining a plane and disposed about a central axis extending normal to the plane. The body includes alternating inner and outer curved regions, defining a zigzag pattern about a periphery of the clip. The body is biased towards a planar configuration lying in the plane and deflectable towards a transverse configuration extending out of the plane. Tines extend from the inner curved regions, the tines being oriented towards the central axis in the planar configuration, and parallel to the central axis in the transverse configuration. The tines may include primary tines and secondary tines that are shorter than the primary tines. The primary tines may be disposed on opposing inner curved regions and oriented towards one another such that they overlap in the planar configuration.
987 Citations
15 Claims
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1. An arteriotomy tissue closure device comprising:
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a plurality of tines having proximal and distal ends, the tines being commonly connected at their proximal ends and having sharp distal tips, the sharp distal tips being oriented toward a central axis of the arteriotomy tissue closure device; and at least one, but fewer than all, of the tines having a tissue stop disposed along the tine, each tissue stop extending from a single tine of the plurality of tines and defining a surface that extends substantially orthogonally to the longitudinal direction of the tine in order to limit advancement of the tine through tissue once the tissue stop reaches the tissue, each tissue stop flaring from the proximal end of the tine to which each tissue stop is connected a distal end of the tine to which each tissue stop is connected towards. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. An arteriotomy tissue closure device comprising:
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a plurality of tines having proximal and distal ends and each oriented in a common direction about a central axis, the tines being commonly connected at their proximal ends and having sharp distal tips, the sharp distal tips being oriented toward the central axis of the arteriotomy tissue closure device; and at least one, but fewer than all, of the tines having a tissue stop disposed along the tine, each tissue stop extending from a single tine of the plurality of tines and defining a surface that extends substantially orthogonally to the longitudinal direction of the tine in order to limit advancement of the tine through tissue once the tissue stop reaches the tissue, each tissue stop flaring from the proximal end of the tine to which each tissue stop is connected a distal end of the tine to which each tissue stop is connected towards.
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Specification