Improvements in and connected with vaginal specula and like instruments

Abstract

Abstract 330,629. Baron, E. March 14, 1929. No Patent granted (Sealing fee not paid). Specula; appliances for illuminating cavities.- A vaginal, rectal, or other speculum comprises a number of part-cylindrical blades a<1> - - a<4> mounted on curved arms b, Fig. 3, pivoted at c within an annular casing d. Each arm is provided with a pin e engaging a curved slot f in an annular plate g, rotation of which within the casing d expands or controls the blades in parallelism with one another. The plate g is rotated by a screw g<1>, projecting through an arcuate slot h in the cover d<1> of the casing d, and furnished with a nut k permitting the locking of the plate in any desired position. Pegs p in the cover d facilitate manipulation of the screw g<1>. The blades a<1> - - a<4> are made of bulbous formation near their free ends, and, may be fenestrated and polished on their inner surfaces. Illumination may be supplied by a lamp m<1>, secured by a clip m on the inner side of one of the blades and provided with a switch m<2>, or by a. lamp axially arranged on a swivel mounting on a. bracket secured to the casing cover d'.

Inventors

No inventors recorded.

Bibliographic Details