Implant System and Delivery Method
AssigneeBlockade Medical, LLC
InventorsJake Le, David Ferrera, Dawson Le, Randall Takahashi, George Martinez
Life of this patent
Estimating the term…
Abstract
Improved systems having flexible detachment zones provide myriad benefits for devices designed, for example, to emplace embolic coils. Downstream usages show enhanced clinical efficacy in terms of deliverability, conformability and microcatheter kickback—in addition to increasing first button electrolytic detachment consistency.
Claims20
An improved system for detaching vasoocclusive implants, comprising, in combination:
- an elongate pushing member;
- and
- at least a metallic coil structure having a zone of enhanced flexure and a first and second end, wherein the first (proximal) end is coupled to the elongate pushing member via a detachable zone.
A vasoocclusive implant designed for use with an improved detachment zone, which comprises, in combination:
- a metallic coil having a first end and a second end and having an outer diameter between about 0.009″ and about 0.019″;
- and
- a three-dimensional structure, formed from the metallic coil, the three-dimensional structure comprising a first loop having a first diameter and a second loop having a second diameter, the first and second loops generally arrayed along a first axis and spaced apart from each other by at least a dimension equal to the first diameter, a third loop having a third diameter and a fourth loop having a fourth diameter, the third and fourth loops generally arrayed along a second axis and spaced apart from each other by at least a dimension equal to the third diameter, a fifth loop having a fifth diameter and a sixth loop having a sixth diameter, the fifth and sixth loops generally arrayed along a third axis and spaced apart from each other by at least a dimension equal to the fifth diameter, wherein the first, second and third axes substantially approximate orthogonal lines, and wherein the sixth diameter is between about 60% and 80% of the diameter of each of the first through fifth loop diameters.
An improved vascular implant system, further comprising:
- a polymeric tubular member having a proximal end and a distal end, the polymeric tubular member surrounding the stainless steel wire proximal and adjacent to the electrolytically detachable zone, further comprising a zone of enhanced flexure where reduction of stiffer glue bonding section by 50% allows the flexibility of the system to be improved over existing systems.
Dependencies are inferred from the claim text.