Shape memory polymer foams for endovascular therapies

Wilson, Thomas S.; Maitland, Duncan J.

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Title: Shape memory polymer foams for endovascular therapies

Abstract

A system for occluding a physical anomaly. One embodiment comprises a shape memory material body wherein the shape memory material body fits within the physical anomaly occluding the physical anomaly. The shape memory material body has a primary shape for occluding the physical anomaly and a secondary shape for being positioned in the physical anomaly.

Inventors:: Wilson, Thomas S.; Maitland, Duncan J.

Issue Date:: Tue Jul 05 00:00:00 EDT 2022

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

Sponsoring Org.:: USDOE

OSTI Identifier:: 1924860

Patent Number(s):: 11376009

Application Number:: 16/839,378

Assignee:: Lawrence Livermore National Security, LLC (Livermore, CA)

Patent Classifications (CPCs):: A - HUMAN NECESSITIES A61 - MEDICAL OR VETERINARY SCIENCE A61B - DIAGNOSIS

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A - HUMAN NECESSITIES A61 - MEDICAL OR VETERINARY SCIENCE A61B - DIAGNOSIS
A61B17/12022 - {Occluding by internal devices, e.g. balloons or releasable wires
A61B17/12031 - {complete occlusion}
A61B17/12109 - {in a blood vessel}
A61B17/12113 - {within an aneurysm}
A61B17/12118 - {for positioning in conjunction with a stent}
A61B17/12181 - {formed by fluidized, gelatinous or cellular remodelable materials, e.g. embolic liquids, foams or extracellular matrices}
A61B17/12195 - {comprising a curable material}
A61B2017/00867 - {shape memory effect
A61B2017/00871 - {polymeric}
A61B2017/12063 - {electrolytically detachable}
A61B2017/12072 - {the heat created by laser light}
A61B2017/12077 - {Joint changing shape upon application of heat, e.g. bi-metal or reversible thermal memory}

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DOE Contract Number:: AC52-07NA27344

Resource Type:: Patent

Resource Relation:: Patent File Date: 04/03/2020

Country of Publication:: United States

Language:: English

Subject:: 59 BASIC BIOLOGICAL SCIENCES; 77 NANOSCIENCE AND NANOTECHNOLOGY

Citation Formats


                    Wilson, Thomas S., and Maitland, Duncan J. Shape memory polymer foams for endovascular therapies.  United States: N. p., 2022. 
        Web.

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                    Wilson, Thomas S., & Maitland, Duncan J. Shape memory polymer foams for endovascular therapies.  United States.

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                    Wilson, Thomas S., and Maitland, Duncan J. Tue .  
        "Shape memory polymer foams for endovascular therapies".  United States.  https://www.osti.gov/servlets/purl/1924860.

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@article{osti_1924860,

  title        = {Shape memory polymer foams for endovascular therapies},

  author       = {Wilson, Thomas S. and Maitland, Duncan J.},

  abstractNote = {A system for occluding a physical anomaly. One embodiment comprises a shape memory material body wherein the shape memory material body fits within the physical anomaly occluding the physical anomaly. The shape memory material body has a primary shape for occluding the physical anomaly and a secondary shape for being positioned in the physical anomaly.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Tue Jul 05 00:00:00 EDT 2022},

  month        = {Tue Jul 05 00:00:00 EDT 2022}

}

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Works referenced in this record:

System for closure of a physical anomaly
patent-application, August 2005

Bearinger, Jane P.; Maitland, Duncan J.; Schumann, Daniel L.
US Patent Application 10/781582; 20050182428
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20050182428

Closing plug of a defect for medical use and a closing plug device utilizing it
patent, March 1993

Kamiya, Tetsuro; Echigo, Shigeyuki; Matsuda, Takehisa
US Patent Document 5,192,301
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Endoluminal device delivery system using axially recovering shape memory material
patent, October 2001

Kurz, Daniel; Wong, Rose Y.; Sein-Lwyn, Crystal K.
US Patent Document 6,296,622
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6296622

Hydrophilic polyurethane foams
patent, March 2000

Bleys, Gerhard Jozef; Gerber, Dirk; Grymonprez, Henk
US Patent Document 6,034,149
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6034149