Roger B Goodfriend

age ~95

from Monte Sereno, CA

Also known as:
  • Roger Tr Goodfriend
Phone and address:
16125 Hillvale Ave, Los Gatos, CA 95030
4083548301

Roger Goodfriend Phones & Addresses

  • 16125 Hillvale Ave, Los Gatos, CA 95030 • 4083548301
  • 777 Knowles Dr, Los Gatos, CA 95032 • 4083747151
  • Monte Sereno, CA

Us Patents

  • Methods And Apparatus For Disintegration Of Urinary Calculi Under Direct Vision

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  • US Patent:
    46026339, Jul 29, 1986
  • Filed:
    Nov 16, 1984
  • Appl. No.:
    6/672118
  • Inventors:
    Roger Goodfriend - Santa Clara CA
    Clark E. Stohl - Jamestown NY
  • Assignee:
    Blackstone Corporation - Jamestown NY
  • International Classification:
    A61B 1700
  • US Classification:
    128328
  • Abstract:
    A method and apparatus are provided for machining and disintegrating urinary calculi by subjecting the urinary calculi to ultrasonic forces transmitted by a wave guide in one passageway of a catheter while under observation through an optical system in a second parallel passage in the catheter.

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