Vaso-occlusive member assembly with multiple detaching points
First Claim
1. An assembly for use in the formation of an occlusion comprising:
- a vaso-occlusive member having a proximal end and a distal end,an electrically insulative joint located proximally on said vaso-occlusive member,an electrolytically disintegratible link located proximally of said electrically insulative joint, andan electrically conductive joint located proximally on said electrolytically disintegratible link and distally on an additional vaso-occlusive member.
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Accused Products
Abstract
This device is an apparatus for endovascular occlusion through the formation of thrombi in arteries, veins, aneurysms, vascular malformations, and arteriovenous fistulas. In particular, the device includes multiple vaso-occlusive members connected by electrolytically disintegratible links. Each link connects to the vaso-occlusive member by electrically insulative and conductive joints on opposite ends of the link. The vaso-occlusive members are delivered through a delivery catheter having on its distal end an electrode for electrical contact with the vaso-occlusive member. Upon application of an electrical current through electrode to the vaso-occlusive member and its conductive joint to electrolytically disintegratible link, the link disintegrates, selectively detaching the desired number of vaso-occlusive members into the target thrombus formation site.
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Citations
37 Claims
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1. An assembly for use in the formation of an occlusion comprising:
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a vaso-occlusive member having a proximal end and a distal end, an electrically insulative joint located proximally on said vaso-occlusive member, an electrolytically disintegratible link located proximally of said electrically insulative joint, and an electrically conductive joint located proximally on said electrolytically disintegratible link and distally on an additional vaso-occlusive member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An assembly for use in the formation of a vascular occlusion comprising:
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a proximal section comprising a core wire having a proximal end and a distal end, a first electrically insulative joint attached to the distal end of said core wire, and a first vaso-occlusive member attached to said first electrically insulative joint, one or more distal sections, each comprising an electrically conductive joint attached to a distal electrolytically disintegratible link, an additional electrically insulative joint located distally on said electrically disintegratible link, and an additional distal vaso-occlusive member, and a catheter having a proximal end and a distal end and having an electrode configured for electrical contact with one of said vaso-occlusive members, whereby upon application of electrical current to a distal section, one of said electrolytically disintegratible links disintegrates, releasing a portion of said assembly. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. An assembly for use in the formation of a vascular occlusion, comprising:
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a proximal section comprising a core wire having a proximal end and a distal end, a first electrically insulative joint attached to the distal end of said core wire, and a first vaso-occlusive member attached to said first electrically insulative joint, one or more distal sections, each comprising an electrically conductive joint attached to a distal electrolytically disintegratible link, an additional electrically insulative joint located distally on said electrically disintegratible link, and an additional distal vaso-occlusive member, a first catheter for delivering said proximal and distal sections to a desired vascular occlusion site, and a second catheter having an electrode configured for electrical contact with one of said vaso-occlusive members, whereby upon application of electrical current to said assembly, one of said electrolytically disintegratible links disintegrates, releasing a portion of said assembly. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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Specification