Patent ID: 7092152
Filing Date: 2006-08-15
Classification: A61B,G02B

Abstract:
1. In a removable optical device for releasable attachment to a microscope suitable for contact-free observation of an eye with at least one lens arranged between an objective of the microscope and the eye in the optical axis of the microscope and adjustable with a drive device, with which the lens is movable along the optical axis of the microscope, the improvement wherein an electric drive motor is arranged in a housing that encloses the drive motor against the surrounding environment in a manner sealed from gases and moisture, the housing having at least one hollow interior chamber lined with a hardened sealing compound and at least one fill opening, through which the sealing compound is capable of being inserted in the housing after the mounting of the drive motor in the housing, wherein said drive motor and said housing are integrated in the removable optical device, which is detachable from the microscope for sterilization by a suitable method.