Patents by Inventor NIRANJANA NANDAKUMAR

NIRANJANA NANDAKUMAR 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).

  • Intraocular lens having a capsular ring for inhibiting capsular opacification
    Patent number: 11931248
    Abstract: An IOL system includes a capsular ring having a concave exterior surface extending around its circumference that is configured, upon insertion into a capsular bag of a patient's eye, to engage an equatorial region of the capsular bag. The concave exterior surface extends between an anterior surface and a posterior surface of the capsular ring. A first one or more flaps are arranged on the anterior surface such that at least a portion of each of the first one or more flaps, upon insertion into the capsular bag of a patient's eye, engages an anterior portion of the capsular bag. Similarly, a second one or more flaps are arranged on the posterior surface such that at least a portion of each of the second one or more flaps, upon insertion into a capsular bag of a patient's eye, engages a posterior portion of the capsular bag.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: March 19, 2024
    Assignee: Alcon Inc.
    Inventors: Stephen Collins, Niranjana Nandakumar, John Radle, Stephen Van Noy, Douglas B. Wensrich
  • INTRAOCULAR LENS HAVING A CAPSULAR RING FOR INHIBITING CAPSULAR OPACIFICATION
    Publication number: 20210038373
    Abstract: An IOL system includes a capsular ring having a concave exterior surface extending around its circumference that is configured, upon insertion into a capsular bag of a patient's eye, to engage an equatorial region of the capsular bag. The concave exterior surface extends between an anterior surface and a posterior surface of the capsular ring. A first one or more flaps are arranged on the anterior surface such that at least a portion of each of the first one or more flaps, upon insertion into the capsular bag of a patient's eye, engages an anterior portion of the capsular bag. Similarly, a second one or more flaps are arranged on the posterior surface such that at least a portion of each of the second one or more flaps, upon insertion into a capsular bag of a patient's eye, engages a posterior portion of the capsular bag.
    Type: Application
    Filed: September 9, 2020
    Publication date: February 11, 2021
    Inventors: STEPHEN COLLINS, NIRANJANA NANDAKUMAR, JOHN RADLE, STEPHEN VAN NOY, DOUGLAS B. WENSRICH
  • Intraocular lens having a capsular ring for inhibiting capsular opacification
    Patent number: 10799340
    Abstract: An IOL system includes a capsular ring having a concave exterior surface extending around its circumference that is configured, upon insertion into a capsular bag of a patient's eye, to engage an equatorial region of the capsular bag. The concave exterior surface extends between an anterior surface and a posterior surface of the capsular ring. A first one or more flaps are arranged on the anterior surface such that at least a portion of each of the first one or more flaps, upon insertion into the capsular bag of a patient's eye, engages an anterior portion of the capsular bag. Similarly, a second one or more flaps are arranged on the posterior surface such that at least a portion of each of the second one or more flaps, upon insertion into a capsular bag of a patient's eye, engages a posterior portion of the capsular bag.
    Type: Grant
    Filed: August 10, 2015
    Date of Patent: October 13, 2020
    Assignee: Alcon Inc.
    Inventors: Stephen Collins, Niranjana Nandakumar, John Radle, Stephen Van Noy, Douglas B. Wensrich
  • INTRAOCULAR LENS HAVING A CAPSULAR RING FOR INHIBITING CAPSULAR OPACIFICATION
    Publication number: 20170042667
    Abstract: An IOL system includes a capsular ring having a concave exterior surface extending around its circumference that is configured, upon insertion into a capsular bag of a patient's eye, to engage an equatorial region of the capsular bag. The concave exterior surface extends between an anterior surface and a posterior surface of the capsular ring. A first one or more flaps are arranged on the anterior surface such that at least a portion of each of the first one or more flaps, upon insertion into the capsular bag of a patient's eye, engages an anterior portion of the capsular bag. Similarly, a second one or more flaps are arranged on the posterior surface such that at least a portion of each of the second one or more flaps, upon insertion into a capsular bag of a patient's eye, engages a posterior portion of the capsular bag.
    Type: Application
    Filed: August 10, 2015
    Publication date: February 16, 2017
    Inventors: STEPHEN COLLINS, NIRANJANA NANDAKUMAR, JOHN RADLE, STEPHEN VAN NOY, DOUGLAS B. WENSRICH