Endoscope with variable direction of view

摘要

An endoscope with a variable direction of view is provided, which includes an endoscope shaft and imaging optics arranged inside the endoscope shaft. These image an object located before the distal end of the endoscope and produce an image of the object in the proximal area of the endoscope in which a field stop is arranged. The produced image is larger than the field stop. In the proximal area of the endoscope an image module is arranged with which the relative position between the produced image and the field stop can be changed for changing the section of the produced image visible after the field stop in order to change the direction of view of the endoscope.

主权项

1. An endoscope with a variable direction of view, comprising:
an endoscope shaft; and imaging optics arranged inside the endoscope shaft which image an object located before the distal end of the endoscope and produce an image of the object in the proximal area of the endoscope in which a field stop is arranged, wherein the produced image is larger than the field stop and in the proximal area of the endoscope an image module is arranged with which the relative position between the produced image and the field stop can be changed for changing the section of the produced image visible after the field stop in order to change the direction of view of the endoscope, wherein the image module brings about a stepless change of the relative position between the produced image and the field stop, wherein the image module includes a Dove prism which can be displaced perpendicular to a base surface of the Dove prism, wherein the imaging optics produce a single coherent image, and wherein the produced image is the image offered to a user of the endoscope or an intermediate image which is used for presentation to the user.