Pharyngo-laryngeal compound speculum

Details Pharyngo-laryngeal compound speculum Pharyngo-laryngeal compound speculum

1991-07-12

1993-10-05

Apley, Richard J.

Surgery

Truss

Perineal

128 10, A61D 100

Patent

active

052495698

ABSTRACT:
A pharyngo-laryngeal compound speculum includes a mouth speculum having a pole strap and two bars which may be inserted into the mouth of an animal and moved to open the mouth of the animal. One of the bars is rotatable and a guide ring is mounted on the rotatable bar. A cylindrical, tubular speculum may be inserted through the guide ring for visualization of the larynx and to gain access to passages for instruments through the tubular speculum into the larynx and the lower reaches of the trachea and bronchi to gain specimens and administer treatments. Also, the same instruments result in the visualization and the access to the opening of the esophagus of animals allows passage of instruments into the esophagus.

REFERENCES:
patent: 803418 (1905-10-01), Hineman
patent: 2920616 (1960-01-01), Girerd
patent: 3550584 (1970-12-01), Ring
patent: 3568664 (1971-03-01), Meriwether

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