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Title: Expandable implant and implant system

Abstract

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.

Inventors:
; ; ; ; ;
Issue Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1462194
Patent Number(s):
10,010,327
Application Number:
13/325,906
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA); The Texas A&M University System (College Station, TX)
DOE Contract Number:  
AC52-07NA27344
Resource Type:
Patent
Resource Relation:
Patent File Date: 2011 Dec 14
Country of Publication:
United States
Language:
English
Subject:
59 BASIC BIOLOGICAL SCIENCES

Citation Formats

Wilson, Thomas S., Small, IV, Ward, Benett, William J., Ortega, Jason M., Maitland, Duncan J., and Hartman, Jonathan. Expandable implant and implant system. United States: N. p., 2018. Web.
Wilson, Thomas S., Small, IV, Ward, Benett, William J., Ortega, Jason M., Maitland, Duncan J., & Hartman, Jonathan. Expandable implant and implant system. United States.
Wilson, Thomas S., Small, IV, Ward, Benett, William J., Ortega, Jason M., Maitland, Duncan J., and Hartman, Jonathan. Tue . "Expandable implant and implant system". United States. https://www.osti.gov/servlets/purl/1462194.
@article{osti_1462194,
title = {Expandable implant and implant system},
author = {Wilson, Thomas S. and Small, IV, Ward and Benett, William J. and Ortega, Jason M. and Maitland, Duncan J. and Hartman, Jonathan},
abstractNote = {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.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {7}
}

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Works referenced in this record:

Shape-memory polymers
journal, April 2007


Recent advances in polymer shape memory
journal, October 2011


Bioinspired Surfaces with Switchable Adhesion
journal, November 2007

  • Reddy, S.; Arzt, E.; del Campo, A.
  • Advanced Materials, Vol. 19, Issue 22, p. 3833-3837
  • DOI: 10.1002/adma.200700733