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May 1950


Author Affiliations

Instructor in Ophthalmology, College of Medical Evangelists LOS ANGELES
From the Department of Ophthalmology, College of Medical Evangelists.

Arch Ophthalmol. 1950;43(5):908-909. doi:10.1001/archopht.1950.00910010923016

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Many surgeons have found the Castroviejo erisiphake a fine instrument for cataract extraction, but owing to its excessive noise, it has been avoided by many operators. Both operating room personnel and patients have been unnerved by its sudden, rough note at the critical moment of a cataract extraction.

Several have tried bottle noise traps and other silencing methods, but our best endeavor has been an 8 by 14 inch (19 by 35.5 cm.) birchwood box (3/4 inch [19 mm.] stock) lined with a standard acousticelotex® sheeting, and a floor of 2 inch (5 cm.) thick air foam,® on which any surgeon's motor erisiphake may be placed. Bolting down or securing is not necessary.

Sound proof case for the Castroviejo suction kit.

The 110 volt electrical outlet is built into one end of the box, presenting a female outlet on both surfaces of the box end. The inside connects to the

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