A rare Collin mouth gag with rack and pinion and an ebony handle, 1880

A rare Collin mouth gag with rack and pinion and an ebony handle, 1880



22,5 cm



Country of manufacture


Categories: Medicine, Dentistry, Surgical instruments


Rare model of mouth gag invented in 1880 by Collin. Here an early and very fine example with ebony handle and high quality steel.

This instrument is sometimes called “Ouvre bouche de Trélat” but actually Trélat was the first to present the instrument in 1880 but on behalf of Collin (as is clearly written in the original publications from the time).

This kind of mouth gag with tongue blade acting as only tongue retractor was developped after Thomas Smith’s gag (1868) which incorporated a tongue depressor, as did gags designed by Whitehead, Collin, Geffer and Mahu (see here for illustration and full text : http://www.jclpca.org/article.asp?issn=2348-2125;year=2014;volume=1;issue=2;spage=70;epage=77;aulast=ameer).

A rare instrument in perfect working condition.

We can note a very small crack at the ebony and only few low spots of rust.

Lenght : 22,5 cm

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FR Le Zograscope

Established by Alexandre Piffault in 2014 and based in Paris, Le Zograscope specializes in antique and rare books in Science, Medicine and Technology, and rare antique instruments in the same fields. We have especially a strong interest in early and continental microscopy, early and special mathematical/drawing instruments, medical and surgical instrument, and rare technology.

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