Instruments for performing medical examinations of the interior of cavities or tubes

Official title: Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes (examination of body cavities or body tracts using ultrasonic, sonic or infrasonic waves A61B8/12; endoscopic instruments for taking cell samples or for biopsy A61B10/04); Illuminating arrangements therefor (for the eyes A61B3/00)

A61B1/00 (Instruments for performing medical examinations of the interior of cavities or tubes) appears on 26,056 US grants and 34,781 published applications in this corpus.