Patents by Inventor Phillip Blaskovich

Phillip Blaskovich 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).

  • Oxidized cellulose microspheres
    Patent number: 11065204
    Abstract: A process for forming microspheres is disclosed. The process includes contacting a solvent with a modified cellulose to form a solution; contacting the modified cellulose solution with at least one bioactive agent to form a discontinuous phase liquid; contacting the discontinuous phase liquid with a continuous phase liquid to form an emulsion; and contacting the emulsion with a third phase liquid to extract the solvent from the emulsion, thereby forming a plurality of modified cellulose microspheres.
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: July 20, 2021
    Assignee: Covidien LP
    Inventors: Phillip Blaskovich, Rachit Ohri, Lan Pham
  • Dissolution of oxidized cellulose and particle preparation by cross-linking with multivalent cations
    Patent number: 11053323
    Abstract: A process for dissolving modified cellulose includes contacting modified cellulose solution with at least one multivalent cation to form a plurality of modified cellulose particles.
    Type: Grant
    Filed: November 7, 2016
    Date of Patent: July 6, 2021
    Assignee: Covidien LP
    Inventors: Phillip Blaskovich, Valentino Tramontano, Rachit Ohri, Joshua Kennedy, Christopher M. Henry
  • Medical devices based on oxidized cellulose
    Patent number: 10584184
    Abstract: A process for dissolving modified cellulose includes contacting modified cellulose with a solvent in a mixture to form swelled modified cellulose and then contacting the mixture with a salt to dissolve the swelled modified cellulose. The dissolved modified cellulose is used to form at least one of a predictably degrading coating, film, or a fiber.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: March 10, 2020
    Assignee: Covidien LP
    Inventors: Valentino Tramontano, Phillip Blaskovich, Rachit Ohri, Joshua Kennedy, Sajida Farooqi
  • DRUG LOADED MICROSPHERES FOR POST-OPERATIVE CHRONIC PAIN
    Publication number: 20200016081
    Abstract: A microsphere is disclosed. The microsphere includes at least one biodegradable polymer and at least one local anesthetic, wherein about 75% of the at least one local anesthetic is released by about 72 hours and from about 80% to about 90% of the at least one local anesthetic is released by about 120 hours, thereby relieving chronic pain for at least 28 days.
    Type: Application
    Filed: September 25, 2019
    Publication date: January 16, 2020
    Inventors: Rachit Ohri, Gary R. Strichartz, Phillip Blaskovich
  • OXIDIZED CELLULOSE MICROSPHERES
    Publication number: 20200000727
    Abstract: A process for forming microspheres is disclosed. The process includes contacting a solvent with a modified cellulose to form a solution; contacting the modified cellulose solution with at least one bioactive agent to form a discontinuous phase liquid; contacting the discontinuous phase liquid with a continuous phase liquid to form an emulsion; and contacting the emulsion with a third phase liquid to extract the solvent from the emulsion, thereby forming a plurality of modified cellulose microspheres.
    Type: Application
    Filed: August 14, 2019
    Publication date: January 2, 2020
    Inventors: Phillip Blaskovich, Rachit Ohri, Lan Pham
  • Drug loaded microspheres for post-operative chronic pain
    Patent number: 10449152
    Abstract: A microsphere is claimed which includes at least one biodegradable polymer and at least one local anesthetic, wherein about 75% of the at least one local anesthetic is released by about 72 hours and from about 80% to about 90% of the at least one local anesthetic is released by about 120 hours, thereby relieving chronic pain for at least 28 days.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: October 22, 2019
    Assignee: Covidien LP
    Inventors: Rachit Ohri, Gary R. Strichartz, Phillip Blaskovich
  • Oxidized cellulose microspheres
    Patent number: 10426730
    Abstract: A process for forming microspheres is disclosed. The process includes contacting a solvent with a modified cellulose to form a solution; contacting the modified cellulose solution with at least one bioactive agent to form a discontinuous phase liquid; contacting the discontinuous phase liquid with a continuous phase liquid to form an emulsion; and contacting the emulsion with a third phase liquid to extract the solvent from the emulsion, thereby forming a plurality of modified cellulose microspheres.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: October 1, 2019
    Assignee: Covidien LP
    Inventors: Phillip Blaskovich, Rachit Ohri, Lan Pham
  • Resorbable oxidized cellulose embolization microspheres
    Patent number: 10328095
    Abstract: A method for forming an embolism within a blood vessel is disclosed. The method includes including: implanting a plurality of oxidized cellulose microspheres into a lumen of a blood vessel to at least partially block the lumen.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: June 25, 2019
    Assignee: Covidien LP
    Inventors: Phillip Blaskovich, Rachit Ohri, Olga Cherniavsky
  • OXIDIZED CELLULOSE MICROSPHERES
    Publication number: 20190117575
    Abstract: A process for forming microspheres is disclosed. The process includes contacting a solvent with a modified cellulose to form a solution; contacting the modified cellulose solution with at least one bioactive agent to form a discontinuous phase liquid; contacting the discontinuous phase liquid with a continuous phase liquid to form an emulsion; and contacting the emulsion with a third phase liquid to extract the solvent from the emulsion, thereby forming a plurality of modified cellulose microspheres.
    Type: Application
    Filed: December 19, 2018
    Publication date: April 25, 2019
    Inventors: Phillip Blaskovich, Rachit Ohri, Lan Pham
  • Oxidized cellulose microspheres
    Patent number: 10188608
    Abstract: A process for forming microspheres is disclosed. The process includes contacting a solvent with a modified cellulose to form a solution; contacting the modified cellulose solution with at least one bioactive agent to form a discontinuous phase liquid; contacting the discontinuous phase liquid with a continuous phase liquid to form an emulsion; and contacting the emulsion with a third phase liquid to extract the solvent from the emulsion, thereby forming a plurality of modified cellulose microspheres.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: January 29, 2019
    Assignee: Covidien LP
    Inventors: Phillip Blaskovich, Rachit Ohri, Lan Pham
  • Medical Devices Based On Oxidized Cellulose
    Publication number: 20180305468
    Abstract: A process for dissolving modified cellulose includes contacting modified cellulose with a solvent in a mixture to form swelled modified cellulose and then contacting the mixture with a salt to dissolve the swelled modified cellulose. The dissolved modified cellulose is used to form at least one of a predictably degrading coating, film, or a fiber.
    Type: Application
    Filed: June 29, 2018
    Publication date: October 25, 2018
    Inventors: Valentino Tramontano, Phillip Blaskovich, Rachit Ohri, Joshua Kennedy, Sajida Farooqi
  • Medical devices based on oxidized cellulose
    Patent number: 10040871
    Abstract: A process for dissolving modified cellulose includes contacting modified cellulose with a solvent in a mixture to form swelled modified cellulose and then contacting the mixture with a salt to dissolve the swelled modified cellulose. The dissolved modified cellulose is used to form at least one of a predictably degrading coating, film, or a fiber.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: August 7, 2018
    Assignee: Covidien LP
    Inventors: Valentino Tramontano, Phillip Blaskovich, Rachit Ohri, Joshua Kennedy, Sajida Farooqi
  • OXIDIZED CELLULOSE MICROSPHERES
    Publication number: 20170246113
    Abstract: A process for forming microspheres is disclosed. The process includes contacting a solvent with a modified cellulose to form a solution; contacting the modified cellulose solution with at least one bioactive agent to form a discontinuous phase liquid; contacting the discontinuous phase liquid with a continuous phase liquid to form an emulsion; and contacting the emulsion with a third phase liquid to extract the solvent from the emulsion, thereby forming a plurality of modified cellulose microspheres.
    Type: Application
    Filed: May 12, 2017
    Publication date: August 31, 2017
    Inventors: Phillip Blaskovich, Rachit Ohri, Lan Pham
  • Oxidized cellulose microspheres
    Patent number: 9687450
    Abstract: A process for forming microspheres is disclosed. The process includes contacting a solvent with a modified cellulose to form a solution; contacting the modified cellulose solution with at least one bioactive agent to form a discontinuous phase liquid; contacting the discontinuous phase liquid with a continuous phase liquid to form an emulsion; and contacting the emulsion with a third phase liquid to extract the solvent from the emulsion, thereby forming a plurality of modified cellulose microspheres.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: June 27, 2017
    Assignee: Covidien LP
    Inventors: Phillip Blaskovich, Valentino Tramontano, Joshua Kennedy, Rachit Ohri
  • Dissolution of Oxidized Cellulose and Particle Preparation by Cross-Linking With Multivalent Cations
    Publication number: 20170051077
    Abstract: A process for dissolving modified cellulose includes contacting modified cellulose solution with at least one multivalent cation to form a plurality of modified cellulose particles.
    Type: Application
    Filed: November 7, 2016
    Publication date: February 23, 2017
    Inventors: Phillip Blaskovich, Valentino Tramontano, Rachit Ohri, Joshua Kennedy, Christopher M. Henry
  • Dissolution of Oxidized Cellulose and Particle Preparation by Solvent and Non-Solvent Precipitation
    Publication number: 20160369013
    Abstract: A process for dissolving modified cellulose includes contacting modified cellulose solution with at least one non-solvent to form a plurality of modified cellulose particles.
    Type: Application
    Filed: September 2, 2016
    Publication date: December 22, 2016
    Inventors: Valentino Tramontano, Phillip Blaskovich, Rachit Ohri, Daniel S. Costa, Joshua Kennedy, Sajida Farooqi
  • Dissolution of oxidized cellulose
    Patent number: 9522963
    Abstract: A process for dissolving modified cellulose is disclosed. The process includes contacting modified cellulose with a solvent in a mixture to form swelled modified cellulose and then contacting the mixture with a salt to dissolve the swelled modified cellulose.
    Type: Grant
    Filed: June 28, 2012
    Date of Patent: December 20, 2016
    Assignee: Covidien LP
    Inventors: Valentino J. Tramontano, Joshua Kennedy, Sajida Farooqi, Phillip Blaskovich, Rachit Ohri, Daniel S. Costa
  • Dissolution of oxidized cellulose and particle preparation by cross-linking with multivalent cations
    Patent number: 9499636
    Abstract: A process for dissolving modified cellulose includes contacting modified cellulose solution with at least one multivalent cation to form a plurality of modified cellulose particles.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: November 22, 2016
    Assignee: Covidien LP
    Inventors: Phillip Blaskovich, Valentino Tramontano, Rachit Ohri, Daniel S. Costa, Joshua Kennedy, Sajida Farooqi
  • Prevention of premature gelling of delivery devices for pH dependent forming materials
    Patent number: 9445795
    Abstract: The present disclosure provides treatment of an apparatus, in embodiments a delivery device, which prevents premature gelling of any materials or precursor(s) of a pH dependent forming material, in embodiments a hydrogel, dispensed by the delivery device. The pH microenvironment near the surface of a lumen of the device, in embodiments the tip of a spray applicator through which the material to be dispensed is expelled from the device, may be controlled to prevent premature gelling.
    Type: Grant
    Filed: March 16, 2010
    Date of Patent: September 20, 2016
    Assignee: Confluent Surgical, Inc.
    Inventors: Rachit Ohri, Phillip Blaskovich
  • Dissolution of oxidized cellulose and particle preparation by solvent and non-solvent precipitation
    Patent number: 9447196
    Abstract: A process for dissolving modified cellulose includes contacting modified cellulose solution with at least one non-solvent to form a plurality of modified cellulose particles.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: September 20, 2016
    Assignee: Covidien LP
    Inventors: Valentino Tramontano, Phillip Blaskovich, Rachit Ohri, Daniel S. Costa, Joshua Kennedy, Sajida Farooqi