Optical: systems and elements – Protection from moisture or foreign particle – Microscope drape
Reexamination Certificate
2007-06-19
2007-06-19
Robinson, Mark A. (Department: 2872)
Optical: systems and elements
Protection from moisture or foreign particle
Microscope drape
Reexamination Certificate
active
11146333
ABSTRACT:
The present invention relates to a surgical microscope drape with a removable lens assembly for use with surgical microscopes. The drape assembly comprises an elongated hollow enclosure of sheet-form material having a first end defining an access opening and a second end defining a hole and at least four ocular pockets. The access opening enables the drape assembly to be pulled over the body of a surgical microscope while the four ocular pockets each cover corresponding ocular ports of the microscope. A view portal located on the enclosure at the hole is adapted to be located within a cavity of the objective lens barrel. The portal houses a removable lens assembly that includes a window. Multiple lens assemblies can be packaged together with a microscope drape to form a kit.
REFERENCES:
patent: 5155624 (1992-10-01), Flagler
patent: 5467223 (1995-11-01), Cleveland et al.
patent: 6024454 (2000-02-01), Horan et al.
patent: 2005/0094269 (2005-05-01), Moses et al.
Olson & Hierl Ltd.
Robinson Mark A.
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