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US 12,178,974 B2Granted
Guidewire and method of use
AssigneeAbbott Cardiovascular Systems Inc.
InventorsPuneet Kamal Singh Gill, Jonathan P. Durcan, Matthew Vasquez
Life of this patent
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Abstract
A guidewire formed from drawn filled tubing having an inner core member encased in an outer layer. The inner core member is formed from a linear elastic or superelastic material and the outer layer is formed from a metal alloy such as 35N LT. A portion of the outer layer is ground down to form a feather edged joint between the outer layer and the inner core member.
Claims62
A guidewire, comprising:
- an elongated tubular member having a proximal end and distal end;
- the elongated tubular member having an inner core member formed from a first metal alloy and an outer layer formed from a second metal alloy surrounding at least a portion of the inner core member;
- and
- a feather edged joint formed only on the outer layer and defining a tapered transition segment between the outer layer and the inner core member wherein the feather edged joint extends radially outwardly along a first constant diameter section of the inner core member.
1 more element
A guidewire, comprising:
- an elongated drawn filled tube having a proximal end and distal end;
- the elongated drawn filled tube having an inner core member formed from a first metal alloy and an outer layer formed from a second metal alloy surrounding at least a portion of the inner core member;
- and
- a feather edged joint formed only on the outer layer and defining a tapered transition segment between the outer layer and the inner core member wherein the feather edged joint extends radially outwardly along a first constant diameter section of the inner core member.
1 more element
Dependencies are inferred from the claim text.