Category: Pre 19th Century Instruments Urology
Estimated Date: 1800
Name: TriLabe
Manufacturer: Collin et Cie

Description: 11” sheath with calibrations and valve for evacuation houses a rod with three hooked arms which open when pushed forward of the sheath. Central to this rod is a toothed head which can be turned by rotating a bone wheel on the other end and adjusted with a sheath for the thumb. There is a hook on the trilabe rod to exert a pull. The whole instrument is 20” long.

Reference 1: 159