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Vaso-occlusive coil delivery assembly and vaso-occlusive coil delivery system

A coil winding, occlusion technology, used in medical science, surgery, diagnosis, etc.

Active Publication Date: 2018-02-02
史赛克欧洲运营控股有限责任公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The propeller assembly defines a longitudinal axis

Method used

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  • Vaso-occlusive coil delivery assembly and vaso-occlusive coil delivery system
  • Vaso-occlusive coil delivery assembly and vaso-occlusive coil delivery system
  • Vaso-occlusive coil delivery assembly and vaso-occlusive coil delivery system

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Embodiment Construction

[0032] For the following defined terms, unless a different definition is given in the claims or elsewhere in this specification, these definitions shall apply.

[0033] All numerical values ​​herein, whether expressly indicated or not, are considered to be modified by the term "about". The term "about" generally refers to a range of values ​​that would be considered equivalent to (ie, having the same function or result) the recited value. In many instances, the term "about" may include numbers that are rounded to the nearest significant figure.

[0034] The recitations of numerical ranges by endpoints include all numbers subsumed within that range (eg, 1 to 5 includes 1, 1.5, 2, 2.75, 3, 3.80, 4, and 5).

[0035] As used in this specification and the appended claims, the singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise. As used in this specification and the appended claims, the term "or" is generally employed in its se...

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Abstract

A vessel occlusion coil delivery assembly and a vessel occlusion coil delivery system (10), comprising a vessel occlusion coil (300), a delivery wire assembly (200) and a connecting piece (500). A vaso-occlusive coil defines a coil lumen (306) and has first and second coil windings (308) defining a coil opening (314) therebetween. The delivery wire assembly defines a delivery wire lumen (212) and includes an electrolytic separation zone (260), a delivery wire conduit (214), and a delivery wire (252) to which the delivery wire is attached and extends Pass through the delivery wire lumen at the distal end of the delivery wire conduit. The connector defines a connector lumen (510) and has a connector body (506) including a proximal end and a distal end, the proximal end of the connector body defining a connector opening (512) in communication with the connector lumen, and the connector The distal end of the body includes a connector detent (514) extending radially from the connector body and through the coil opening to secure the connector body and delivery wire assembly to the vaso-occlusive coil.

Description

technical field [0001] The technical field of the invention relates generally to systems and delivery devices for implanting a vaso-occlusive device in a blood vessel of a human or animal patient for embolization or vaso-occlusion. More specifically, the present invention relates to securing a vaso-occlusive coil to a pusher assembly. Background technique [0002] Vaso-occlusive devices or implants are widely used for a number of reasons, including the treatment of intravascular aneurysms. Commonly used vaso-occlusive devices include a soft, helically wound coil formed by winding a platinum (or platinum alloy) wire strand around a "primary" mandrel. The coil is then wound around a larger "secondary" mandrel and heat treated to form the secondary shape. For example, U.S. Patent No. 4,994,069 to Ritchart et al. describes a vaso-occlusive device that, when expanded for positioning through the lumen of a delivery catheter, assumes a linear helical primary shape and is Release...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B17/12A61B17/00
CPCA61B17/12113A61B17/12109A61B17/1214A61B17/12145A61B17/1215A61B17/12154A61B2017/00199A61B2017/1205A61B2017/12054A61B2017/12063A61B2017/12068A61B2090/3966
Inventor 陈汉存理查德·墨菲陶维忠贾斯廷·沃
Owner 史赛克欧洲运营控股有限责任公司
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