Spring detach joint for delivering a detachable implantable device
First Claim
Patent Images
1. An implant delivery system, comprising:
- an elongate device defining an axial lumen; and
an implantable device mated to a delivery wire via a detachable link slidably disposed within the axial lumen of the elongate device, the detachable link comprising first and second engaging members,the first engaging member having an inner surface, an outer surface, and a wall therebetween, wherein a portion of the wall radially expands or contracts to move between a first and a second position, wherein in the first position the wall portion forms a protrusion on the outer surface of the first engaging member, and in the second position the wall portion forms a protrusion on the inner surface of the first engaging member; and
the second engaging member having an outer surface shaped and sized for receipt within the inner surface of the first engaging member when the wall portion is in the first position and wherein the second engaging member is shaped and sized to inhibit movement out of the inner surface of the first engaging member when the wall portion is in the second position.
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Accused Products
Abstract
Methods and systems for delivering an implantable device to a target site, using a detachable link. The system can include an embolic coil mated to a delivery wire via a detachable link comprising first and second engaging members. When the detachable link is delivered through a catheter, the first and second engaging members are configured to self-detach.
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Citations
9 Claims
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1. An implant delivery system, comprising:
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an elongate device defining an axial lumen; and an implantable device mated to a delivery wire via a detachable link slidably disposed within the axial lumen of the elongate device, the detachable link comprising first and second engaging members, the first engaging member having an inner surface, an outer surface, and a wall therebetween, wherein a portion of the wall radially expands or contracts to move between a first and a second position, wherein in the first position the wall portion forms a protrusion on the outer surface of the first engaging member, and in the second position the wall portion forms a protrusion on the inner surface of the first engaging member; and the second engaging member having an outer surface shaped and sized for receipt within the inner surface of the first engaging member when the wall portion is in the first position and wherein the second engaging member is shaped and sized to inhibit movement out of the inner surface of the first engaging member when the wall portion is in the second position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification