The cut-down 1-ml syringe--an excellent  improvised drill sleeve.
Rodger
Mike
M
Department of Trauma and Orthopaedics, Torbay Hospital, Torquay, UK. mike.rodger@doctors.org.uk
Davis
James
J
D001842:Bone and Bones / Q000601:surgery*; D004867:Equipment Design; D006801:Humans; D017695:Soft Tissue Injuries / Q000517:prevention & control*; D013594:Syringes