BLADE POSITIONING DEVICE

摘要

A microdebrider (2) comprising: a handpiece (4); an interchangeable tip (10) connected to the handpiece; an outer tube (16) rotatably connected to the interchangeable tip, the outer tube including an outer tube window (18); an inner tube (12) extending at least partially through the outer tube, the inner tube including an inner tube window (14); an outer collet (21) connected to the outer tube; an inner collet (22) connected to the inner tube; and a bias member (30) located between the inner collet and the outer collet; wherein the inner tube and the outer tube are immobilized when the inner collet and the outer collet are in contact.