The invention concerns a quick-connect coupling comprising a locking ring (20) arranged in a coupling body to co-operate with a catching surface of a tube fitted into the coupling.

The invention concerns a quick-connect coupling comprising a locking ring (20) arranged in a coupling body (10) to co-operate with a catching surface of a tube fitted into the coupling.

The inner core tube is sleeved in the water inlet tube.

The silicone tube (15) is sleeved outside the aluminium tube (14).

The expansion pipe is sleeved on the stud.

The outer corrugated pipe (4) is sleeved outside the inner corrugated pipe (3).

The suction tube (1) is sleeved into the slide hole (41).

A corrugated pipe (12) is further sleeved on the lower conductive rod.

A sheath tube (6) is sleeved outside the ureterorenoscope tube (17), wherein the length of the sheath tube (6) is less than that of the ureterorenoscope tube (17).

The invention concerns a fast connecting end piece (10) capable of being fitted on a rigid tube (12) provided with a flange (14).

The core rod is coated with a coating tube consisting of porous quartz glass, said coating tube being sintered and hereby shrunk onto the core rod.

The buoy is connected to the swing link, and sleeves the water inlet tube.

The ring connector is sleeved on the distal extension of the connector insulator and over the insulator tubing.

At one of the ends of the tube (1) a cap (12) containing a removable magnet (9a) is fitted.

The ring connector is sleeved on the distal extension of the connector insulator and over the insulator tubing.