Disposable minimally invasive expansion and drainage kit

                      Specifications：

                                        Expansion tube: F8, F10, F12, F14, F16, F18, F20, F22, F24

                                        Peeling sheath: F14, F16, F18, F20, F22, F24

                                        Drainage tube: F14, F16, F18, F20, F22, F24

                                        Puncture needle: 18G                 Guide wire: 0.035

                                        The above specifications are configured separately or in combination according to 

                                        actual requirements.

                     Application:

                                       1、Used for percutaneous renal surgery dilation, establishing channels for convenient 

                                             access of nephroscopy instruments for examination, lithotripsy, and stone removal.

                     Characteristics: 

                                         The expansion tube is flexible and elastic, with a smooth surface and a conical design 

                                         at the tip, allowing for gentle expansion from fine to coarse, reducing tissue damage.

                                         The inner and outer surfaces of the peeled sheath are smooth, and the insertion is smooth. 

                                         The inner cavity has a clear field of view, and the hardness is moderate, effectively establishing 

                                         a channel.