Patents by Inventor John R. Underwood

John R. Underwood 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: 9095409
    Abstract: Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes various example vitrectomy probes having an adjustable cutting port size. Various example features are described for adjusting the size of the cutting port. Further, the disclosure provides examples for adjusting the size of the cutter port while the vitrectomy probe is in operation.
    Type: Grant
    Filed: March 13, 2012
    Date of Patent: August 4, 2015
    Assignee: Alcon Research, Ltd.
    Inventors: John R. Underwood, Matthew Braden Flowers, Jack Robert Auld, John Christopher Huculak
  • Patent number: 9095410
    Abstract: Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes vitrectomy probes having an adjustable cutting port size. In some instances, the cutting port size may be adjusted by altering a position of a stroke limiter via a pancake motor. Various example features are described for adjusting the size of the cutting port.
    Type: Grant
    Filed: May 11, 2012
    Date of Patent: August 4, 2015
    Assignee: Alcon Research, Ltd.
    Inventors: John R. Underwood, Matthew Braden Flowers, Jack Robert Auld, John Christopher Huculak
  • Patent number: 9005228
    Abstract: Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes various example vitrectomy probes having an adjustable cutting port size. Various example features are described for adjusting the size of the cutting port. Further, the disclosure provides examples for adjusting the size of the cutter port while the vitrectomy probe is in operation.
    Type: Grant
    Filed: August 26, 2011
    Date of Patent: April 14, 2015
    Assignee: Alcon Research, Ltd.
    Inventors: John R. Underwood, Jack Robert Auld, John Christopher Huculak
  • Publication number: 20140364886
    Abstract: Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes various example vitrectomy probes having an adjustable cutting port size. Various example features are described for adjusting the size of the cutting port. Further, the disclosure provides examples for adjusting the size of the cutter port while the vitrectomy probe is in operation.
    Type: Application
    Filed: May 5, 2014
    Publication date: December 11, 2014
    Applicant: Alcon Research, Ltd.
    Inventors: John R. Underwood, Jack Robert Auld, John Christopher Huculak
  • Patent number: 8888802
    Abstract: Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes various example vitrectomy probes having an adjustable cutting port size. Various example features are described for adjusting the size of the cutting port. Further, the disclosure provides examples for adjusting the size of the cutter port while the vitrectomy probe is in operation.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: November 18, 2014
    Assignee: Alcon Research, Ltd.
    Inventors: John R. Underwood, Jack Robert Auld, John Christopher Huculak
  • Patent number: 8844566
    Abstract: Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes various example vitrectomy probes having an adjustable cutting port size. Various example features are described for adjusting the size of the cutting port. Further, the disclosure provides examples for adjusting the size of the cutter port while the vitrectomy probe is in operation.
    Type: Grant
    Filed: August 26, 2011
    Date of Patent: September 30, 2014
    Assignee: Alcon Research, Ltd.
    Inventors: John R. Underwood, Jack Robert Auld, John Christopher Huculak
  • Patent number: 8845666
    Abstract: Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes various example vitrectomy probes having an adjustable cutting port size. Various example features are described for adjusting the size of the cutting port. Further, the disclosure provides examples for adjusting the size of the cutter port while the vitrectomy probe is in operation.
    Type: Grant
    Filed: August 26, 2011
    Date of Patent: September 30, 2014
    Assignee: Alcon Research, Ltd.
    Inventors: John R. Underwood, Jack Robert Auld, John Christopher Huculak
  • Publication number: 20140243735
    Abstract: Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes various example vitrectomy probes having an adjustable cutting port size. Various example features are described for adjusting the size of the cutting port. Further, the disclosure provides examples for adjusting the size of the cutter port while the vitrectomy probe is in operation.
    Type: Application
    Filed: May 5, 2014
    Publication date: August 28, 2014
    Applicant: Alcon Research, Ltd.
    Inventors: John R. Underwood, Jack Robert Auld, John Christopher Huculak
  • Patent number: 8747426
    Abstract: Vitrectomy probes and systems related thereto are disclosed herein. There are various example vitrectomy probes having an adjustable cutting port size. Various example features are described for adjusting the size of the cutting port. Further, there are examples included herein for adjusting the size of the cutter port while the vitrectomy probe is in operation.
    Type: Grant
    Filed: March 13, 2012
    Date of Patent: June 10, 2014
    Assignee: Alcon Research, Ltd.
    Inventors: John R. Underwood, Matthew Braden Flowers, Jack Robert Auld, John Christopher Huculak
  • Patent number: 8545529
    Abstract: Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes various example vitrectomy probes having an adjustable cutting port size. Various example features are described for adjusting the size of the cutting port. Further, the disclosure provides examples for adjusting the size of the cutter port while the vitrectomy probe is in operation. Some implementations disclosed herein include a piezoelectric element operable to adjust a position of a stroke limiter to define a size of the cutter port.
    Type: Grant
    Filed: August 26, 2011
    Date of Patent: October 1, 2013
    Assignee: Alcon Research, Ltd.
    Inventors: John R. Underwood, Jack Robert Auld, John Christopher Huculak
  • Publication number: 20130158579
    Abstract: Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes various example vitrectomy probes having an adjustable cutting port size. Various example features are described for adjusting the size of the cutting port. Further, the disclosure provides examples for adjusting the size of the cutter port while the vitrectomy probe is in operation.
    Type: Application
    Filed: March 13, 2012
    Publication date: June 20, 2013
    Inventors: John R. Underwood, Matthew Braden Flowers, Jack Robert Auld, John Christopher Huculak
  • Publication number: 20130158583
    Abstract: Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes vitrectomy probes including an adjustable stroke limiter longitudinally moveable therein in response to a rotation of the stroke limiter. The adjustable stroke limiter is operable to adjust a cutting port size of a cutter.
    Type: Application
    Filed: August 22, 2012
    Publication date: June 20, 2013
    Inventors: John R. Underwood, Matthew Braden Flowers, Jack Robert Auld, John Christopher Huculak
  • Publication number: 20130158582
    Abstract: Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes vitrectomy probes having an adjustable cutting port size. In some instances, the cutting port size may be adjusted by altering a position of a stroke limiter via a pancake motor. Various example features are described for adjusting the size of the cutting port.
    Type: Application
    Filed: May 11, 2012
    Publication date: June 20, 2013
    Inventors: John R. Underwood, Matthew Braden Flowers, Jack Robert Auld, John Christopher Huculak
  • Publication number: 20130158580
    Abstract: Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes various example vitrectomy probes having an adjustable cutting port size. Various example features are described for adjusting the size of the cutting port. Further, the disclosure provides examples for adjusting the size of the cutter port while the vitrectomy probe is in operation.
    Type: Application
    Filed: March 13, 2012
    Publication date: June 20, 2013
    Inventors: John R. Underwood, Matthew Braden Flowers, Jack Robert Auld, John Christopher Huculak
  • Publication number: 20130158581
    Abstract: Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes various example vitrectomy probes having an adjustable cutting port size. Various example features are described for adjusting the size of the cutting port. Further, the disclosure provides examples for adjusting the size of the cutter port while the vitrectomy probe is in operation.
    Type: Application
    Filed: March 13, 2012
    Publication date: June 20, 2013
    Inventors: John R. Underwood, Matthew Braden Flowers, Jack Robert Auld, John Christopher Huculak
  • Publication number: 20130158584
    Abstract: Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes various example vitrectomy probes having an adjustable cutting port size. Various example features are described for adjusting the size of the cutting port. Further, the disclosure provides examples for adjusting the size of the cutter port while the vitrectomy probe is in operation.
    Type: Application
    Filed: August 22, 2012
    Publication date: June 20, 2013
    Inventors: John R. Underwood, Matthew Braden Flowers, Jack Robert Auld, John Christopher Huculak
  • Publication number: 20130158576
    Abstract: Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes vitrectomy probes having an adjustable cutting port size. The cutting port size may be adjusted by altering a position of a stroke limiter via a stepper motor. Various example features are described for adjusting the size of the cutting port.
    Type: Application
    Filed: May 11, 2012
    Publication date: June 20, 2013
    Inventors: John R. Underwood, Matthew Braden Flowers, Jack Robert Auld, John Christopher Huculak
  • Patent number: 8414546
    Abstract: A tip assembly for a liquefaction surgical handpiece. The tip assembly has an inner connector and an outer cap. The outer cap contains an external thread for attaching the tip assembly to a handpiece. The inner housing contains an alignment tab and fits within the outer cap so as to allow rotation of the inner connector within the outer cap. The inner and outer liquefaction tip tubes are frictionally fit into a bore in the inner connector. The proximal end of the inner housing contains a gasket that seal the inner housing against the handpiece.
    Type: Grant
    Filed: August 15, 2003
    Date of Patent: April 9, 2013
    Assignee: Novartis AG
    Inventors: Ziad R. Ghannoum, Sean C. Madden, Glenn Sussman, John R. Underwood
  • Publication number: 20120157906
    Abstract: Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes various example vitrectomy probes having an adjustable cutting port size. Various example features are described for adjusting the size of the cutting port. Further, the disclosure provides examples for adjusting the size of the cutter port while the vitrectomy probe is in operation.
    Type: Application
    Filed: December 21, 2010
    Publication date: June 21, 2012
    Inventors: John R. Underwood, Jack Robert Auld, John Christopher Huculak
  • Publication number: 20120158030
    Abstract: Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes various example vitrectomy probes having an adjustable cutting port size. Various example features are described for adjusting the size of the cutting port. Further, the disclosure provides examples for adjusting the size of the cutter port while the vitrectomy probe is in operation.
    Type: Application
    Filed: August 26, 2011
    Publication date: June 21, 2012
    Inventors: John R. Underwood, Jack Robert Auld, John Christopher Huculak