Detachable embolic coil assembly
First Claim
1. A detachable coil assembly for use in occluding a selected site within a vessel comprising a coil with opposing ends on a coil axis and having, on at least one end, a solid, interlocking, shaped clasp having no axial passageway therethrough and having an axis generally colinear with the coil axis, said interlocking clasp configured to interlock with a similar solid, interlocking, shaped clasp having no axial passageway therethrough.
1 Assignment
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Accused Products
Abstract
This invention is a surgical instrument and specifically is a device for delivering embolic coils to a selected site within the vasculature of a human body via use of a catheter. The invention further includes the coils. In particular, the device uses embolic coils having interlocking ends, e.g., clasps or hooks, on the ends of the coils. The coils may further be secured to each other by a control wire within the catheter. Retraction of the optional control wire into the catheter body uncouples the distal coil.
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Citations
14 Claims
- 1. A detachable coil assembly for use in occluding a selected site within a vessel comprising a coil with opposing ends on a coil axis and having, on at least one end, a solid, interlocking, shaped clasp having no axial passageway therethrough and having an axis generally colinear with the coil axis, said interlocking clasp configured to interlock with a similar solid, interlocking, shaped clasp having no axial passageway therethrough.
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8. A combination pusher assembly-coil assembly for use in occluding a selected site within a vessel comprising:
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(a) a coil with opposing ends on a coil axis and having, on at least one end, a solid, interlocking, shaped clasp having no axial passageway therethrough and having an axis generally colinear with the coil axis, said interlocking clasp configured to interlock with a similar solid, interlocking, shaped clasp having no axial passageway therethrough; and (b) a pusher assembly comprising a tubular pusher sheath having a proximal end and a distal end and adapted to fit within a catheter sheath, and said similar solid, interlocking, shaped clasp having no axial passageway therethrough, said similar clasp located at the distal end of the pusher sheath, said similar clasp connected to the distal end of the pusher assembly. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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Specification