resectoscope

[rĭ-sĕktə-skōp′]
n.
  1. A surgical instrument for performing a resection without an opening or incision other than that made by the instrument.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.