Optical instrument
AssigneeKarl Storz GmbH & Co. KG
InventorsStefanie MAICHLE, Michael EGLE, Claus KRAMER
Life of this patent
Estimating the term…
Abstract
An optical instrument (1) for minimally invasive surgery includes an instrument housing (2) for receiving optical elements, wherein the instrument housing (2) is sealed in fluid tight fashion by way of at least one end window (7) on the distal side and/or proximal side. The end window (7) is arranged in a window frame (8) that surrounds the end window (7) around the entire circumference thereof. The end windows (7) is able to be attached with little stress in the associated window frame (8) based on at least two portions (12) that project radially to the inside from the window frame (8). The at least two portions (12) are formed on the inner circumferential surface of each window frame (8) facing the respective end window (7).
Claims11
An optical instrument for minimally invasive surgery, the optical instrument comprising
- an instrument housing for receiving optical elements;
- at least one window frame;
- at least one end window, wherein the instrument housing is fluid-tight sealed in by way of the at least one end window on one of a distal side and a proximal side, said end window being arranged in the at least one window frame and the at least one window frame surrounding the at least one end window around an entire circumference thereof, wherein the at least one window frame comprises an inner circumferential surface, facing the at least one end window, comprising at least two portions that project radially to an inside with respect to adjacent portions of the inner circumferential surface of the at least one window frame.
Dependencies are inferred from the claim text.