Two Ebony and Silver Trocars

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A rare pair of steel trocars with finely turned ebony casing and silver cannulae.

These would have been used where fluid needed to be aspirated or drained from a body cavity. For example from the peritoneum in ascites, or from a pleural effusion, or a nasal antrum in chronic sinusitis.

The handle section unscrews to reveal the cannula and the distal section the trocar, which when sheathed would pierce the skin and external structures to create a passage to the fluid filled space which the cannula would keep patent after removal of the trocar. The larger 165 x 37 x 37 mm and 46 gm, the smaller 152 x 26 x 26 mm and 31 gm.

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