US 6,982,827 B2
Surgical microscope arrangement and interface unit for a surgical microscope
Assad F. Mora, Santa Barbara, Calif. (US)
Assigned to Carl-Zeiss-Stiftung, Heidenheim (Germany)
Filed on Nov. 15, 2002, as Appl. No. 10/294,709.
Prior Publication US 2004/0095639 A1, May 20, 2004
Int. Cl. G02B 21/00 (2006.01)
U.S. Cl. 359—384 21 Claims
OG exemplary drawing
 
1. A surgical microscope arrangement comprising:
a stand having an arm;
a surgical microscope including a viewing assembly and a tubular unit;
said arm supporting said surgical microscope at a fixed position in space;
said surgical microscope further including an interface unit comprising an ocular portion connected to said viewing assembly and a tubular portion connected to said tubular unit;
said ocular portion and said tubular portion conjointly defining a rotary joint; and,
said arm including a releasable attaching device for rigidly attaching said surgical microscope to said arm directly at said ocular portion so as to permit said tubular portion and said tubular unit to be rotated at said rotary joint while said ocular portion and said viewing assembly remain stationary in space with said arm.