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US 10,307,168 B2Granted
Complex coil and manufacturing techniques
AssigneeTerumo Kabushiki Kaisha
InventorHideo Morita
Life of this patent
Estimating the term…
Abstract
An embolic coil which can be used for occlusive purposes in the vasculature is described. A mandrel for manufacturing a coiled structure, and method/process for manufacturing a coiled structure is described.
Claims12
A method of creating a secondary shape of an embolic coil, comprising:
- providing a mandrel having an elongated core with an axis extending therealong and a plurality of mounting elements disposed on said elongated core, wherein said plurality of mounting elements each comprise a bracket member having a post member extending generally perpendicular to said axis of said elongated core;
- providing an embolic coil;
- wrapping said embolic coil on said mandrel so as to create a repeating pattern of loops relative to said axis of said elongated core;
- said pattern consisting essentially of:
- a first horizontal loop positioned at a first angle;
- a first vertical loop directly connected to said first horizontal loop and being positioned at a second angle perpendicular to said first angle;
- a first angled loop directly connected to said first vertical loop;
- said first angled loop being oriented at a third angle that is between said first and said second angle;
- and,
- a second vertical loop directly connected to said first angled loop and being positioned at said second angle;
- and,
- heat setting said embolic coil so as to impart said repeating pattern in said mandrel as a secondary shape.
9 more elements
A method of creating a secondary shape of an embolic coil, comprising:
- providing an embolic coil;
- providing a mandrel having an elongated shape with an axis extending therethrough;
- creating one or more of the following pattern, the pattern consisting essentially of:
- forming a first horizontal loop with said embolic coil around a first post member that is positioned on said mandrel at a first angle perpendicular to said axis;
- forming a first vertical loop that immediately follows said first horizontal loop, with said embolic coil around said axis;
- forming a second horizontal loop that immediately follows said first vertical loop, with said embolic coil around a second post member that is positioned on said mandrel at a second angle perpendicular to said axis;
- said second angle being different from said first angle;
- forming a second vertical loop that immediately follows said second horizontal loop, with said embolic coil around said axis;
- and,
- heat setting said embolic coil so as to impart said repeating pattern in said mandrel as a secondary shape.
7 more elements
A method of creating a secondary shape of an embolic coil, comprising:
- providing a mandrel having an elongated shape with an axis extending therealong and a plurality of mounting elements disposed along said elongated shape;
- providing an embolic coil;
- wrapping said embolic coil on said mandrel so as to create a repeating pattern of loops;
- said pattern consisting essentially of:
- a first axially-horizontal loop positioned at a first angle parallel to said axis;
- a first vertical loop that immediately follows said first axially-horizontal loop, connected to said first axially-horizontal loop and being positioned around said axis;
- a second axially-horizontal loop that immediately follows said first vertical loop, connected to said first vertical loop;
- said second axially-horizontal loop being oriented at a second angle parallel to said axis;
- said second angle being different from said first angle;
- and,
- a second vertical loop that immediately follows said second axially-horizontal loop, connected to said second axially-horizontal loop and being positioned around said axis;
- and,
- heat setting said embolic coil so as to impart said repeating pattern in said mandrel as a secondary shape.
10 more elements
Dependencies are inferred from the claim text.