Patent ID: 11864770
Assignee: COVIDIEN LP
Field: Medical technology (Instruments)
Classification: CPC A  D | IPC A  D

Claim 10:
11. A method of making an embolic device, the method comprising:
positioning a tubular braid over an elongate member, the tubular braid having first and second sections having respective first and second porosities, wherein the first porosity differs from the second porosity;
constraining an intermediate section of the tubular braid in a substantially closed configuration over the elongate member;
inverting the tubular braid to produce a dual-layer tubular section having a substantially closed end at the intermediate section and an open end opposite the substantially closed end, wherein the inverted tubular braid includes the first section overlapping itself or the second section to cumulatively provide a third porosity, the third porosity being less than each of the first and second porosities, and
inserting a form within the dual-layer tubular section through the open end such that the form is positioned axially between the substantially closed end and the open end and surrounded by the dual-layer section.