【医】 金属线勒除器, 钢丝套圈

snare snare drum wire wire cable wire sieve static wire wire netting loop wire wire-pull axle wire selection wire wire telephone snare wire wire loop snare nasal polypus snare wire steel snare wire introducer for laryngeal cautery snare wire introducer for nasal cautery snare wire steel wire for aural polyp snare snare Jarvis' snare snare cautery Jarvis snare