Patent ID: 9474441
Filing Date: 2016-10-25
CPC Classification: A61B

Claim Text:
1. An otoscope comprising: a digital image forming device; an instrument head having a distal insertion portion for insertion into an ear of a human or veterinary subject, said distal insertion portion having a distal opening; and an optical system contained within said instrument head, said optical system including a plurality of optical components; and wherein said optical system comprises a tip element mounted onto the distal insertion portion, and in which the mounted tip element penetrates at least 5 mm into a representative ear canal and provides an distance range of optimal focus having a length of at least 5 mm, wherein the optical system further comprises an objective lens disposed at the distal end of the distal insertion portion and a plurality of imaging lenses disposed along an imaging axis and aligned with the digital image forming device wherein the optical system forms a distal entrance pupil outside of the distal insertion portion but within the mounted tip element.