Patents by Inventor Michael J. Constant

Michael J. Constant has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9993252
    Abstract: Devices for the occlusion of body cavities, such as the embolization of vascular aneurysms and the like, and methods for making and using such devices. The devices may include novel expansile materials, novel infrastructure design, or both. The devices provided are very flexible and enable deployment with reduced or no damage to bodily tissues, conduits, cavities, or similar structures.
    Type: Grant
    Filed: October 25, 2010
    Date of Patent: June 12, 2018
    Assignee: MicroVention, Inc.
    Inventors: E. Michael Keeley, Gregory M. Cruise, Michael J. Constant, Sheila Warner, Maricela Walker
  • Patent number: 9937201
    Abstract: Compositions are described comprising a polymer; a non-physiological pH solution; and a visualization agent; wherein the polymer is soluble in the non-physiological pH solution and insoluble at a physiological pH. Methods of forming the solutions and polymers are disclosed as well as methods of therapeutic use.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: April 10, 2018
    Assignee: MicroVention, Inc.
    Inventors: Gregory M. Cruise, Michael J. Constant, Joshua Garretson
  • Publication number: 20170290593
    Abstract: Devices for the occlusion of body cavities, such as the embolization of vascular aneurysms and the like, and methods for making and using such devices. The devices may be comprised of novel expansile materials, novel infrastructure design, or both. The devices provided are very flexible and enable deployment with reduced or no damage to bodily tissues, conduits, cavities, etceteras.
    Type: Application
    Filed: June 27, 2017
    Publication date: October 12, 2017
    Inventors: Gregory M. Cruise, Michael J. Constant, Terrance Tran
  • Patent number: 9724103
    Abstract: Devices for the occlusion of body cavities, such as the embolization of vascular aneurysms and the like, and methods for making and using such devices. The devices may be comprised of novel expansile materials, novel infrastructure design, or both. The devices provided are very flexible and enable deployment with reduced or no damage to bodily tissues, conduits, cavities, etceteras.
    Type: Grant
    Filed: January 7, 2016
    Date of Patent: August 8, 2017
    Assignee: MicroVention, Inc.
    Inventors: Gregory M. Cruise, Michael J. Constant, Terrance Tran
  • Publication number: 20170216484
    Abstract: Polymeric compositions are described comprising a biocompatible polymer including a biodegradable linkage to a visualization agent and a non-physiological pH solution; wherein the biocompatible polymer is soluble in the non-physiological pH solution and insoluble at a physiological pH. Methods of forming the solutions and polymers are disclosed as well as methods of therapeutic use.
    Type: Application
    Filed: April 19, 2017
    Publication date: August 3, 2017
    Inventors: Gregory M. Cruise, Michael J. Constant, Edward Michael Keeley, Rob Greene, Clayton Harris
  • Patent number: 9655989
    Abstract: Polymeric compositions are described comprising a biocompatible polymer including a biodegradable linkage to a visualization agent and a non-physiological pH solution; wherein the biocompatible polymer is soluble in the non-physiological pH solution and insoluble at a physiological pH. Methods of forming the solutions and polymers are disclosed as well as methods of therapeutic use.
    Type: Grant
    Filed: June 10, 2015
    Date of Patent: May 23, 2017
    Assignee: MicroVention, Inc.
    Inventors: Gregory M. Cruise, Michael J. Constant, Edward Michael Keeley, Rob Greene, Clayton Harris
  • Publication number: 20170007264
    Abstract: Described are devices for implantation comprising a hydrogel filament wherein the hydrogel filament includes a low molecular weight ethylenically unsaturated macromer, an ethylenically unsaturated monomer, and a visualization agent. Methods of making and using these devices are also described.
    Type: Application
    Filed: September 21, 2016
    Publication date: January 12, 2017
    Inventors: Gregory M. Cruise, Michael J. Constant, Edward Michael Keeley, Terrance T. Tran
  • Patent number: 9486221
    Abstract: Described herein are apparatus, compositions, systems and associated methods to occlude structures and malformations with radiopaque hydrogel filaments with delayed controlled rates of expansion permitting the repositioning of the device once inside the structure or malformation. Further described is a device for implantation in an animal comprising a difunctional, low molecular weight ethylenically unsaturated shapeable macromer; an ethylenically unsaturated monomer; and a radiopaque element, wherein said device contains no support members. Methods of forming such devices are also disclosed.
    Type: Grant
    Filed: May 21, 2013
    Date of Patent: November 8, 2016
    Assignee: MicroVision, Inc.
    Inventors: Gregory M. Cruise, Michael J. Constant, Edward Michael Keeley, Terrance T. Tran
  • Publication number: 20160243157
    Abstract: Compositions are described comprising a polymer; a non-physiological pH solution; and a visualization agent; wherein the polymer is soluble in the non-physiological pH solution and insoluble at a physiological pH. Methods of forming the solutions and polymers are disclosed as well as methods of therapeutic use.
    Type: Application
    Filed: April 29, 2016
    Publication date: August 25, 2016
    Inventors: Gregory M. Cruise, Michael J. Constant, Joshua Garretson
  • Publication number: 20160243273
    Abstract: Polymeric compositions are described comprising a biocompatible polymer including a biodegradable linkage to a visualization agent and a non-physiological pH solution; wherein the biocompatible polymer is soluble in the non-physiological pH solution and insoluble at a physiological pH. Methods of forming the solutions and polymers are disclosed as well as methods of therapeutic use.
    Type: Application
    Filed: June 10, 2015
    Publication date: August 25, 2016
    Inventors: Gregory M. Cruise, Michael J. Constant, Edward Michael Keeley, Rob Greene, Clayton Harris
  • Publication number: 20160166258
    Abstract: Devices for the occlusion of body cavities, such as the embolization of vascular aneurysms and the like, and methods for making and using such devices. The devices may be comprised of novel expansile materials, novel infrastructure design, or both. The devices provided are very flexible and enable deployment with reduced or no damage to bodily tissues, conduits, cavities, etceteras.
    Type: Application
    Filed: January 7, 2016
    Publication date: June 16, 2016
    Inventors: Gregory M. Cruise, Michael J. Constant, Terrance Tran
  • Patent number: 9351993
    Abstract: Compositions are described comprising a polymer; a non-physiological pH solution; and a visualization agent; wherein the polymer is soluble in the non-physiological pH solution and insoluble at a physiological pH. Methods of forming the solutions and polymers are disclosed as well as methods of therapeutic use.
    Type: Grant
    Filed: June 13, 2013
    Date of Patent: May 31, 2016
    Assignee: MicroVention, Inc.
    Inventors: Gregory M. Cruise, Michael J. Constant, Joshua Garretson
  • Patent number: 9259228
    Abstract: Devices for the occlusion of body cavities, such as the embolization of vascular aneurysms and the like, and methods for making and using such devices. The devices may be comprised of novel expansile materials, novel infrastructure design, or both. The devices provided are very flexible and enable deployment with reduced or no damage to bodily tissues, conduits, cavities, etceteras.
    Type: Grant
    Filed: January 18, 2013
    Date of Patent: February 16, 2016
    Assignee: MicroVention, Inc.
    Inventors: Gregory M. Cruise, Michael J. Constant, Terrance Tran
  • Publication number: 20150306227
    Abstract: Polymers are described herein comprising: a reaction product of a prepolymer solution including at least one macromer and at least one visualization agent; and an active agent electrostatically bound to the polymer filament or chemically bound to the at least one monomer; wherein the polymer filament does not include metallic support members.
    Type: Application
    Filed: April 3, 2015
    Publication date: October 29, 2015
    Inventors: Gregory M. Cruise, Clayton G. Harris, Michael J. Constant
  • Patent number: 9114200
    Abstract: Described herein are apparatus, compositions, systems and associated methods to occlude structures and malformations with radiopaque hydrogel filaments with delayed controlled rates of expansion permitting the repositioning of the device once inside the structure or malformation. Further described is a device for implantation in an animal comprising a difunctional, low molecular weight ethylenically unsaturated shapeable macromer; an ethylenically unsaturated monomer; and a radiopaque element, wherein said device contains no support members. Methods of forming such devices are also disclosed.
    Type: Grant
    Filed: September 24, 2010
    Date of Patent: August 25, 2015
    Assignee: MicroVention, Inc.
    Inventors: Michael J. Constant, Gregory M. Cruise, E. Michael Keeley, Alejandro Berenstein
  • Patent number: 9078950
    Abstract: Polymeric compositions are described comprising a biocompatible polymer including a biodegradable linkage to a visualization agent and a non-physiological pH solution; wherein the biocompatible polymer is soluble in the non-physiological pH solution and insoluble at a physiological pH. Methods of forming the solutions and polymers are disclosed as well as methods of therapeutic use.
    Type: Grant
    Filed: October 15, 2013
    Date of Patent: July 14, 2015
    Assignee: MicroVention, Inc.
    Inventors: Gregory M. Cruise, Michael J. Constant, Edward Michael Keeley, Rob Greene, Clayton Harris
  • Publication number: 20140256837
    Abstract: Hydrogels are described that expand volumetrically in response to a change in their environment and as well as their methods of manufacture and use.
    Type: Application
    Filed: April 16, 2014
    Publication date: September 11, 2014
    Applicant: MicroVention, Inc.
    Inventors: Gregory M. Cruise, Michael J. Constant
  • Patent number: 8734834
    Abstract: Hydrogels are described that expand volumetrically in response to a change in their environment and as well as their methods of manufacture and use.
    Type: Grant
    Filed: May 20, 2013
    Date of Patent: May 27, 2014
    Assignee: MicroVention, Inc.
    Inventors: Gregory M. Cruise, Michael J. Constant
  • Publication number: 20140107251
    Abstract: Polymeric compositions are described comprising a biocompatible polymer including a biodegradable linkage to a visualization agent and a non-physiological pH solution; wherein the biocompatible polymer is soluble in the non-physiological pH solution and insoluble at a physiological pH. Methods of forming the solutions and polymers are disclosed as well as methods of therapeutic use.
    Type: Application
    Filed: October 15, 2013
    Publication date: April 17, 2014
    Applicant: MicroVention, Inc.
    Inventors: Gregory M. Cruise, Michael J. Constant, Edward Michael Keeley, Rob Greene, Clayton Harris
  • Publication number: 20130336917
    Abstract: Compositions are described comprising a polymer; a non-physiological pH solution; and a visualization agent; wherein the polymer is soluble in the non-physiological pH solution and insoluble at a physiological pH. Methods of forming the solutions and polymers are disclosed as well as methods of therapeutic use.
    Type: Application
    Filed: June 13, 2013
    Publication date: December 19, 2013
    Inventors: Gregory M. Cruise, Michael J. Constant, Joshua Garretson