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Vaso-occlusive coil delivery system

A delivery system, coil technology, applied in medical science, surgery, ligation, etc., can solve problems such as patient discomfort or pain

Active Publication Date: 2013-05-15
STRYKER CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Also, some patients experience discomfort or pain with grounding pins placed in the patient's groin area

Method used

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  • Vaso-occlusive coil delivery system
  • Vaso-occlusive coil delivery system
  • Vaso-occlusive coil delivery system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] figure 1 An occlusive coil delivery system 10 is shown according to one embodiment; system 10 includes a number of subcomponents or subsystems. These include delivery catheter 100 , delivery wire assembly 200 , occlusive coil 300 and power supply 400 . Delivery catheter 100 includes a proximal end 102 , a distal end 104 and a lumen 106 extending between proximal end 102 and distal end 104 . Lumen 106 of delivery catheter 100 is sized to allow axial movement of delivery wire assembly 200 . Additionally, lumen 106 is sized for passage of a guide wire (not shown), which can optionally be used to properly guide delivery catheter 100 to the appropriate delivery site. The delivery catheter 100 may comprise a braided shaft construction of stainless steel flat wires encapsulated or surrounded by a polymer coating. E.g, is an exemplary polymer coating that may be used to cover the exterior of delivery catheter 100 . Of course, system 10 is not limited to one particular con...

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PUM

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Abstract

An occlusive coil delivery device includes an occlusive coil having a plurality of open pitched windings at a proximal end thereof, and a delivery wire assembly having a proximal tubular portion, a distal coil portion and a lumen, and a delivery wire adapter having a proximal end and a distal end. The delivery wire assembly having a delivery wire forming a first conductive path and extending through the lumen from a proximal end of the delivery wire assembly to a location distal of the distal coil portion, and a second conductive path formed by the proximal tubular portion and distal coil portion. The distal end of the adapter comprising a plurality of fingers configured to interface between adjacent open pitched windings of the proximal end of the occlusive coil, with the proximal end of the delivery wire adapter secured to a distal portion of the delivery wire.

Description

technical field [0001] The field of the invention relates generally to systems and delivery devices for implanting a vaso-occlusive device for embolization or vascular occlusion in a blood vessel (vessel) of a human or animal patient. Background technique [0002] Vaso-occlusive devices or implants may be used for a variety of reasons, including the treatment of intravascular aneurysms. A common vaso-occlusive device takes the form of a flexible, helically wound coil formed by winding a strand of platinum (or platinum alloy) wire around a first mandrel. In this case, the relative stiffness of the coils depends inter alia on its composition, the diameter of the wire strands, the diameter of the first mandrel and the pitch of the main winding. The coil is then wound on a second, larger mandrel and heat treated to form a second shape. For example, U.S. Patent No. 4,994,069 to Ritchart et al. describes a vaso-occlusive coil that assumes a rectilinear, helical first shape when ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B17/12
CPCA61B17/12145A61B17/12154A61B2017/12068A61B17/12113A61B17/12022A61B17/1215A61B17/1214A61B2017/1205A61B2017/12063
Inventor J·B·凯利特
Owner STRYKER CORP