Universal device for the thorough cleaning, disinfecting and sterilizing of dental, surgical and veterinary instruments as well as for other uses

(57) The equipment for sterilizing the object for summary dentistries, the instrument for medical treatments, etc. Has the chamber (4) which carried out the taper to the truncated cone-shaped lower part preferably. This chamber includes two walls (1, 2) estranged by hollow space. The above-mentioned hollow space is divided into smaller space (3', 3", 3"', 3"") along the direction of an axial center. These smallness space is connected with the inside of the above-mentioned chamber through the hole (5', 5", 5"', 5"") arranged annularly. The above-mentioned hole has turned to the point which only a certain distance (e) separated from the axial center (K) of the above-mentioned chamber (4) while spouting fluid towards a lower part. The above-mentioned jet stream sterilizes all of the inside of the above-mentioned instrument, and the external surfaces along the length direction. The diameter and direction of the pressure of the fluid which flows through the above-mentioned hole (5', 5", 5"', 5""), and the hole concerned are adjusted so that contamination can process more appropriately than before the lower part portion of the intense above-mentioned instrument.