Expandable implant and implant system

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

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

Issue Date:: 2021-01-26

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

Sponsoring Org.:: USDOE

OSTI Identifier:: 1805409

Patent Number(s):: 10898199

Application Number:: 15/984,003

Assignee:: Lawrence Livermore National Security, LLC (Livermore, CA); Board of Regents of the University of Texas System (College Station, TX)

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

A - HUMAN NECESSITIES A61 - MEDICAL OR VETERINARY SCIENCE A61M - DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY

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A - HUMAN NECESSITIES A61 - MEDICAL OR VETERINARY SCIENCE A61B - DIAGNOSIS
A61B17/12113 - {within an aneurysm}
A61B17/1214 - {Coils or wires}
A61B17/12145 - {having a pre-set deployed three-dimensional shape
A61B17/1215 - {comprising additional materials, e.g. thrombogenic, having filaments, having fibers, being coated}
A61B17/12163 - {having a string of elements connected to each other}
A61B17/12181 - {formed by fluidized, gelatinous or cellular remodelable materials, e.g. embolic liquids, foams or extracellular matrices}
A61B2017/00871 - {polymeric}
A61B2017/12054 - {Details concerning the detachment of the occluding device from the introduction device}

A - HUMAN NECESSITIES A61 - MEDICAL OR VETERINARY SCIENCE A61M - DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
A61M2025/0042 - {Microcatheters, cannula or the like having outside diameters around 1 mm or less}
A61M25/0668 - {splittable, tear apart}

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DOE Contract Number:: AC52-07NA27344

Resource Type:: Patent

Resource Relation:: Patent File Date: 05/18/2018

Country of Publication:: United States

Language:: English

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., 2021. 
        Web.

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                    Wilson, Thomas S., Small, IV, Ward, Benett, William J., Ortega, Jason M., Maitland, Duncan J., & Hartman, Jonathan. Expandable implant and implant system.  United States.

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                    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/1805409.

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@article{osti_1805409,

  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         = {2021},

  month        = {1}

}

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Patent Mei, Viung C [Oak Ridge, TN]; Chen, Fang C [Knoxville, TN]

A refrigeration system having a vapor compression cycle utilizing a liquid over-feeding operation with an integrated accumulator-expander-heat exchanger. Hot, high-pressure liquid refrigerant from the condenser passes through one or more lengths of capillary tubing substantially immersed in a pool liquid refrigerant in the accumulator-expander-heat exchanger for simultaneously sub-cooling and expanding the liquid refrigerant while vaporizing liquid refrigerant from the pool for the return thereof to the compressor as saturated vapor. The sub-cooling of the expanded liquid provides for the flow of liquid refrigerant into the evaporator for liquid over-feeding the evaporator and thereby increasing the efficiency of the evaporation cycle.
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Method of evaluating, expanding, and collapsing connectivity regions within dynamic systems

Patent Bailey, David A [Schenectady, NY]

An automated process defines and maintains connectivity regions within a dynamic network. The automated process requires an initial input of a network component around which a connectivity region will be defined. The process automatically and autonomously generates a region around the initial input, stores the region's definition, and monitors the network for a change. Upon detecting a change in the network, the effect is evaluated, and if necessary the regions are adjusted and redefined to accommodate the change. Only those regions of the network affected by the change will be updated. This process eliminates the need for an operator tomore » « less
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Title: Expandable implant and implant system

Abstract

Citation Formats

Shape-Memory Polymer Foam Device for Treating Aneurysms patent-application, September 2014

System for diffusing light from an optical fiber or light guide patent-application, January 2008

Guide wire extension for shape memory polymer occlusion removal devices patent, November 2009

Embolic coil patent-application, January 2005

Activated polymer articulated instruments and methods of insertion patent-application, April 2005

Releasable fastener systems and processes patent, December 2007

Electro-active adhesive systems patent-application, December 2005

Vasoocclusive device for treatment of aneurysms patent-application, January 2007

Shape memory polymer foam patent, September 1991

Closure device, system, and method patent-application, February 2008

Foams having shape memory patent, June 2003

Filamentous embolic device with expansible elements patent, May 2001

Micro devices using shape memory polymer patches for mated connections patent, July 2000

Catheter with coiled tip patent, November 1987

Embolic elements and methods and apparatus for their delivery patent, November 1997

Method of using a shape memory material as a mandrel for composite part manufacturing patent, September 2008

Shape memory polymers patent, June 2015

Endovascular occlusion devices and methods of use patent-application, December 2005

Medical Blocking Tool patent-application, January 2011

Electrolytically severable coil assembly with movable detachment point patent, June 1996

Expandable Vertebral Body Implants Including Shape-Memory Materials and Methods of Use patent-application, May 2008

Vasoocclusive coil with enhanced therapeutic strand structure patent-application, February 2005

Stent with expandable foam patent-application, June 2007

Expandable body cavity liner device patent-application, February 2003

Selectively flexible catheter and method of use patent, November 2010

Shape Memory Polymer and Adhesive Combination and Methods of Making and Using the Same patent-application, November 2009

Shape memory polymer medical device patent, June 2010

Multiple Point Detacher System patent-application, May 2008

Thermo-Chemically Activated Intramedullary Bone Stint patent-application,

Sphincterotome with Improved Orientation patent-application, April 2009

In an endovascular electrolytically detachable wire and tip for the formation of thrombus in arteries, veins, aneurysms, vascular malformations and arteriovenous fistulas patent, October 1994

Vasoocclusion coil device having a core therein patent, April 2003

System for diffusing light from an optical fiber or light guide patent, June 2008

Device And Method For Treatment Of Openings In Vascular And Septal Walls patent-application, November 2013

Polyurethane foams patent, May 1995

Structures and fabricated articles having shape memory made from .alpha.-olefin/vinyl or vinylidene aromatic and/or hindered aliphatic vinyl or vinylidene interpolymers patent, December 2000

Magneto-active adhesive systems patent-application, December 2005

Shape memory polymer foams for endovascular therapies patent-application, April 2005

Thrombectomy system and method patent, January 2013

Aneurysm embolization material and device patent-application, May 2007

Occlusive coil manufacture and delivery patent-application, January 2002

Stent with expandable foam patent, May 2013

Shape Memory Polymer Medical Devices patent-application, October 2009

Polishing pad and production method therefor, and production method for semiconductor device patent, April 2015

Thrombectomy System and Method patent-application, February 2009

Polymer embolic elements with metallic coatings for occlusion of vascular malformations patent, October 2002

Vaso-occlusion coil and method patent, February 1991

Shape memory alloy/shape memory polymer tools patent-application, October 2002

Vasoocclusive device for treatment of aneurysms patent, September 2003

Design of Shape Memory Alloy Fibers and Shape Memory Polymer Fibers and Films and Their Composites for Reversible Shape Changes patent-application, May 2009

Castable shape memory polymers patent-application, February 2004

Polymer covered vaso-occlusive devices and methods of producing such devices patent-application, September 2005

Devices and methods for removing a matter from a body cavity of a patient patent-application, October 2005

Detachable shaft medical retrieval device methods of use patent-application, October 2009

Occlusive coil manufacture and delivery patent-application, February 2005

Shape memory tubular deployment system patent, December 1998

Endovascular treatment devices and methods patent-application, July 2005

Shape memory polymer (SMP) gripper with a release sensing system patent, August 2000

Shape memory polymer medical device patent-application, January 2006

Shape memory polymer actuator and catheter patent-application, December 2003

Pressure-sensitive adhesive compositions suitable for medical uses patent, September 1991

Shape-Memory Polymer Foam Device for Treating Aneurysms
patent-application, September 2014

System for diffusing light from an optical fiber or light guide
patent-application, January 2008

Guide wire extension for shape memory polymer occlusion removal devices
patent, November 2009

Embolic coil
patent-application, January 2005

Activated polymer articulated instruments and methods of insertion
patent-application, April 2005

Releasable fastener systems and processes
patent, December 2007

Electro-active adhesive systems
patent-application, December 2005

Vasoocclusive device for treatment of aneurysms
patent-application, January 2007

Shape memory polymer foam
patent, September 1991

Closure device, system, and method
patent-application, February 2008

Foams having shape memory
patent, June 2003

Filamentous embolic device with expansible elements
patent, May 2001

Micro devices using shape memory polymer patches for mated connections
patent, July 2000

Catheter with coiled tip
patent, November 1987

Embolic elements and methods and apparatus for their delivery
patent, November 1997

Method of using a shape memory material as a mandrel for composite part manufacturing
patent, September 2008

Shape memory polymers
patent, June 2015

Endovascular occlusion devices and methods of use
patent-application, December 2005

Medical Blocking Tool
patent-application, January 2011

Electrolytically severable coil assembly with movable detachment point
patent, June 1996

Expandable Vertebral Body Implants Including Shape-Memory Materials and Methods of Use
patent-application, May 2008

Vasoocclusive coil with enhanced therapeutic strand structure
patent-application, February 2005

Stent with expandable foam
patent-application, June 2007

Expandable body cavity liner device
patent-application, February 2003

Selectively flexible catheter and method of use
patent, November 2010

Shape Memory Polymer and Adhesive Combination and Methods of Making and Using the Same
patent-application, November 2009

Shape memory polymer medical device
patent, June 2010

Multiple Point Detacher System
patent-application, May 2008

Thermo-Chemically Activated Intramedullary Bone Stint
patent-application,

Sphincterotome with Improved Orientation
patent-application, April 2009

In an endovascular electrolytically detachable wire and tip for the formation of thrombus in arteries, veins, aneurysms, vascular malformations and arteriovenous fistulas
patent, October 1994

Vasoocclusion coil device having a core therein
patent, April 2003

System for diffusing light from an optical fiber or light guide
patent, June 2008

Device And Method For Treatment Of Openings In Vascular And Septal Walls
patent-application, November 2013

Polyurethane foams
patent, May 1995

Structures and fabricated articles having shape memory made from .alpha.-olefin/vinyl or vinylidene aromatic and/or hindered aliphatic vinyl or vinylidene interpolymers
patent, December 2000

Magneto-active adhesive systems
patent-application, December 2005

Shape memory polymer foams for endovascular therapies
patent-application, April 2005

Thrombectomy system and method
patent, January 2013

Aneurysm embolization material and device
patent-application, May 2007

Occlusive coil manufacture and delivery
patent-application, January 2002

Stent with expandable foam
patent, May 2013

Shape Memory Polymer Medical Devices
patent-application, October 2009

Polishing pad and production method therefor, and production method for semiconductor device
patent, April 2015

Thrombectomy System and Method
patent-application, February 2009

Polymer embolic elements with metallic coatings for occlusion of vascular malformations
patent, October 2002

Vaso-occlusion coil and method
patent, February 1991

Shape memory alloy/shape memory polymer tools
patent-application, October 2002

Vasoocclusive device for treatment of aneurysms
patent, September 2003

Design of Shape Memory Alloy Fibers and Shape Memory Polymer Fibers and Films and Their Composites for Reversible Shape Changes
patent-application, May 2009

Castable shape memory polymers
patent-application, February 2004

Polymer covered vaso-occlusive devices and methods of producing such devices
patent-application, September 2005

Devices and methods for removing a matter from a body cavity of a patient
patent-application, October 2005

Detachable shaft medical retrieval device methods of use
patent-application, October 2009

Occlusive coil manufacture and delivery
patent-application, February 2005

Shape memory tubular deployment system
patent, December 1998

Endovascular treatment devices and methods
patent-application, July 2005

Shape memory polymer (SMP) gripper with a release sensing system
patent, August 2000

Shape memory polymer medical device
patent-application, January 2006

Shape memory polymer actuator and catheter
patent-application, December 2003

Pressure-sensitive adhesive compositions suitable for medical uses
patent, September 1991