Lens housing for sterile cover of an operating microscope

Details Lens housing for sterile cover of an operating microscope Lens housing for sterile cover of an operating microscope

1990-06-25

1992-10-13

Arnold, Bruce Y.

Optical: systems and elements

Protection from moisture or foreign particle

Microscope drape

359511, B65D 8538, G02B 2700

Patent

active

051556243

ABSTRACT:
A lens housing and cover for a disposable microscope drape including a housing formed of a flexible, easily distortable, resilient material adapted to be connected to a disposable microscope drape and positioned adjacent to an objective lens of an operating room microscope. The housing includes an opening for registering with the objective lens. A lens cover includes an optically clear portion for spanning the opening and a gripping portion projecting from the optically clear portion and from the housing when the lens cover is in the housing. The housing further includes a wall defining said opening, the wall including an elongated slot through which the lens cover can be inserted gripping portion can be inserted for installing the cover end through which the cover can be removed by pulling on the gripping portion, the elongated dimension of the slot being smaller than at least one portion of the dimension of the lens cover which spans the opening so that the housing has to be distorted for the lens cover to be inserted and removed. The portion of the wall defining the opening is aligned with the slot and includes two pairs of spaced ridges for holding the lens cover in place after it has been inserted through the slot.

REFERENCES:
patent: 3528720 (1970-09-01), Treace
patent: 3698791 (1972-10-01), Walchle et al.
patent: 3796477 (1974-03-01), Geraci
patent: 4385812 (1983-05-01), Wille et al.
patent: 4561540 (1985-12-01), Hunter et al.
patent: 4564270 (1986-01-01), Willie

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