Expandable implant and implant system

Wilson, Thomas S.; Small, IV, Ward; Benett, William J.; Ortega, Jason M.; Maitland, Duncan J.; Hartman, Jonathan

Title: Expandable implant and implant system

Patent · Tue Jul 03 00:00:00 EDT 2018

OSTI ID:1462194

Wilson, Thomas S.; Small, IV, Ward; Benett, William J.; Ortega, Jason M.; Maitland, Duncan J.; Hartman, Jonathan

An embodiment of the invention includes an expandable implant to endovascularly embolize an anatomical void or malformation, such as an aneurysm. An embodiment is comprised of a chain or linked sequence of expandable polymer foam elements. Another embodiment includes an elongated length of expandable polymer foam coupled to a backbone. Another embodiment includes a system for endovascular delivery of an expandable implant (e.g., shape memory polymer) to embolize an aneurysm. The system may include a microcatheter, a lumen-reducing collar coupled to the distal tip of the microcatheter, a flexible pushing element detachably coupled to an expandable implant, and a flexible tubular sheath inside of which the compressed implant and pushing element are pre-loaded. Other embodiments are described herein.

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Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC52-07NA27344

Assignee:: Lawrence Livermore National Security, LLC (Livermore, CA); The Texas A&M University System (College Station, TX)

Patent Number(s):: 10,010,327

Application Number:: 13/325,906

OSTI ID:: 1462194

Resource Relation:: Patent File Date: 2011 Dec 14

Country of Publication:: United States

Language:: English

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