主权项 |
1. An atrium retractor, comprising:
a plate and a shaft that has a shaft sleeve, an inner rod and an operating mechanism, wherein the operating mechanism is designed to effect a relative movement between the shaft sleeve and the inner rod, and wherein an articulation device which is firmly connected to the plate and is detachably connected to the shaft, wherein the operating mechanism is adapted to optionally lock and release the articulation device by means of the relative movement between the shaft sleeve and the inner rod. |