Sterile isolation cover sheet capable of moving telescopically and method

The invention provides a sterile isolation cover sheet capable of moving telescopically and a method, the sterile isolation cover sheet comprises a cover body, two driving adapter plates arranged on the cover body and a constraint piece, the driving adapter plates are arranged on the cover body, and a certain distance is formed between the two driving adapter plates; a hollow channel is formed in the portion, between the two driving adapter plates, of the cover body, a restraining piece is arranged in the hollow channel, and the two ends of the restraining piece extend to the different driving adapter plates respectively to provide restraining force for the opposite or opposite movement of the driving adapter plates. The cover body can be prevented from being in contact with instruments such as a catheter and a guide wire, so that the influence on surgical operation is avoided. 本发明提供了一种可伸缩运动的无菌隔离罩单及方法，包括罩体，设置在罩体上的两个驱动转接板，以及约束件，所述罩体上设置有所述驱动转接板，且两个驱动转接板之间具有一定距离；两个驱动转接板之间的罩体上设置有中空通道，所述中空通道内设置有约束件，所述约束件的两端分别延伸至不同