Record

Reference Number	MIMM/1946-2-2
Title	Trocar and Cannula
Date	1850-1899
Description	Carved ivory exploring trochar and cannula. The head of the object can be screwed off to reveal metal opening for needle insertion. The lower portion of the object can also be screwed off to reveal a silver needle, about 55mm long.They were used in 19th century surgery to drain fluids or gas in order to relieve any pressure build-up. The object has two concentric lines carved into roughly the centre, which ultimately separate the two parts that can be unscrewed. The number 2 is marked on this central portion.
Extent	4 parts
Dimensions	111mm x 11mm x 11mm
Digital Collections	View online in our digital collections
Copyright	Free to use under the terms of the Creative Commons Licence Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
Credit Line	Royal College of Physicians of Ireland
Object Name	Cannula
Object Name	Trocar
Term	Surgical Instruments
	Trocar
	Cannula
Related Record	MIMM/1946-2-1

Persons

Code	PersonName	Dates
DS/UK/3685	Ashmore; William Hopkins; physician

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