Odom's indicator

Odom's indicator is a device used for locating the epidural space in regional anaesthesia.[1] The device works on Dogliotti's principle[2] by finding an area of decreased resistance to injection. It was originally designed on the assumption that the pressure in the epidural space was negative. This device is no-longer popular and alternative methods (e.g. loss of resistance to saline, loss of resistance to air) are now used.

See also

  • Epidural procedure, which contains additional information on identification of the epidural space

References



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