SHUTTERING SYSTEM FOR MEDICAL AND VETERINARY OBSERVATION INSTRUMENTS

摘要

P THE DEVICE INCLUDES A VALVE BODY 11 HAVING A FIRST OUTPUT 12 FOR MEETING WITH AN OBSERVATION INSTRUMENT ROD, A SECOND EXIT 13 FOR HIS MEETING WITH A SOURCE OF SUCTION, A THIRD EXIT 14 FOR HIS MEETING WITH A SYRINGE AND A FOURTH EXIT 26 MADE THROUGH A PUSH BUTTON 31 FOR CONNECTING ASPIRATION WITH THE ATMOSPHERE. IN NORMAL POSITION, A SPOOL VALVE 18 INTERRUPTS THE COMMUNICATION BETWEEN THE SUCTION AND THE ROD OF THE INSTRUMENT AND LEAVES IN COMMUNICATION THE FIRST AND THIRD OUTPUTS, BY PRESSING THE PUSH BUTTON 31 AND BY CLOSING THE OUTPUT 26 ON THE VALVE 18 BY COMMUNICATING SUCTION WITH THE INSTRUMENT ROD AND TURNING THE THIRD OUTPUT OFF 14. / P P THEN CAN BE SWITCHED FROM OPERATION MODE WASHING TO OPERATION MODE SUCTION AND VICE VERSA BY A SIMPLE PUSH OF THE FINGER, WITHOUT INTERRUPTING THE EXAM. / P