bloodless operation

blood·less op·er·a·tion

an operation performed with negligible loss of blood.

blood·less op·er·a·tion

(blŭd'lĕs op-ĕr-ā'shŭn)
An operation performed with negligible loss of blood.
References in periodicals archive ?
The last troops are evacuated from Gallipoli in what turns out to be the only bloodless operation of the campaign, completed without a single casualty.
The French-Colombian politician was rescued on Wednesday in a dramatic and bloodless operation mounted by Colombian spies.
In a dramatic and bloodless operation, the Colombian army put an end to Betan-court's six-year-long captivity and also rescued three US defence contractors, held by the rebels since 2003, and 11 Colombian soldiers.
A simple method of passing the thread around the tumor and ligating the pedicle resulted in a bloodless operation.