Vaso-occlusive device and delivery assembly
AssigneesStryker Corporation, Stryker European Operations Holdings LLC
InventorsRichard Murphy, Hancun Chen
Life of this patent
Estimating the term…
Abstract
A vaso-occlusive treatment system includes a delivery assembly; and a vaso-occlusive device detachably coupled to the delivery assembly by a delivery assembly junction. The vaso-occlusive device includes a braided portion formed out of one or more composite wires, a coiled portion coupled to the braided portion, and an intra-device junction coupling the braided portion to the coiled portion. Each composite wire includes a core made from a core metallic material, and an external layer made from an external metallic material different from the core metallic material. One of the core and the external layer has a greater radiopacity and a lesser stiffness, respectively, than the other one of the core and the external layer.
Claims11
A vaso-occlusive treatment system, comprising:
- a delivery assembly;
- and
- a vaso-occlusive device detachably coupled to the delivery assembly by a severable junction, the vaso-occlusive device comprising
- a proximal coil having an inner axial lumen and a proximal end portion coupled to the severable junction, and
- a braid having a proximal end portion coupled to a distal end portion of the proximal coil by a first intra-device junction, the braid comprising a plurality of elongate braid members, wherein at least one of the braid members extends proximally from the braid through the axial lumen of proximal coil and is secured to the proximal end portion of the proximal coil, respectively, to thereby form proximal coil stretch-resisting member.
A vaso-occlusive treatment system, comprising:
- a delivery assembly;
- and
- a vaso-occlusive device detachably coupled to the delivery assembly by a severable junction, the vaso-occlusive device comprising
- a proximal coil having an inner axial lumen and a proximal end portion coupled to the severable junction, and
- a braid having a proximal end portion coupled to a distal end portion of the proximal coil by a first intra-device junction, the braid comprising a plurality of elongate braid members, wherein two or more of the braid members extend proximally from the braid through the axial lumen of proximal coil and are secured to the proximal end portion of the proximal coil, respectively, to thereby form proximal coil stretch-resisting members.
A vaso-occlusive treatment system, comprising:
- a delivery assembly;
- and
- a vaso-occlusive device detachably coupled to the delivery assembly by a severable junction, the vaso-occlusive device comprising
- a distal coil having an inner axial lumen, and
- a braid having a distal end portion coupled to a proximal end portion of the distal coil by an intra-device junction, the braid comprising a plurality of elongate braid members, wherein two or more of the braid members extend distally from the braid through the axial lumen of distal coil and are secured to a distal end portion of the distal coil, respectively, to thereby form distal coil stretch-resisting members.
Dependencies are inferred from the claim text.