Device for identification of epidural space at puncture, comprises continuous and steady advancement of piston of syringe, which is filled with liquid or gas effected with defined speed

摘要

The device (1) comprises a continuous and steady advancement of a piston of a syringe (2), which is filled with liquid or gas effected with a defined speed. The syringe filled with liquid or gas is connected with a puncture needle (4) suitable for the epidural space (8) of the puncture by an elastic connection hose (3).